gcc/libgcc/unwind-dw2-fde-dip.c

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/* Copyright (C) 2001-2015 Free Software Foundation, Inc.
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
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Contributed by Jakub Jelinek <jakub@redhat.com>.
This file is part of GCC.
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
GCC is free software; you can redistribute it and/or modify
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
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it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
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any later version.
GCC is distributed in the hope that it will be useful,
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
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but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
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You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
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/* Locate the FDE entry for a given address, using PT_GNU_EH_FRAME ELF
segment and dl_iterate_phdr to avoid register/deregister calls at
DSO load/unload. */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE 1
#endif
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
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#include "tconfig.h"
#include "tsystem.h"
#if !defined(inhibit_libc) && !defined(__OpenBSD__)
#include <elf.h> /* Get DT_CONFIG. */
#endif
#include "coretypes.h"
#include "tm.h"
Move libgcc_tm_file to toplevel libgcc gcc: * configure.ac (libgcc_tm_file_list, libgcc_tm_include_list): Remove. * configure: Regenerate. * Makefile.in (libgcc_tm_file_list, libgcc_tm_include_list): Remove. (TM_H): Remove libgcc_tm.h, $(libgcc_tm_file_list). (libgcc_tm.h, cs-libgcc_tm.h): Remove. (clean): Remove libgcc_tm.h * mkconfig.sh: Don't include libgcc_tm.h in tm.h. * config.gcc (libgcc_tm_file): Remove. (arm*-*-linux*): Remove libgcc_tm_file for arm*-*-linux-*eabi. (arm*-*-uclinux*): Remove libgcc_tm_file for arm*-*-uclinux*eabi. (arm*-*-eabi*, arm*-*-symbianelf*): Remove libgcc_tm_file. (avr-*-rtems*): Likewise. (avr-*-*): Likewise. (frv-*-elf): Likewise. (frv-*-*linux*): Likewise. (h8300-*-rtems*): Likewise. (h8300-*-elf*): Likewise. (i[34567]86-*-darwin*): Likewise. (x86_64-*-darwin*): Likewise. (rx-*-elf*): Likewise. (tic6x-*-elf): Likewise. (tic6x-*-uclinux): Likewise. (i[34567]86-*-linux*, x86_64-*-linux*): Likewise. libgcc: * configure.ac (tm_file_): New variable. Determine from tm_file. (tm_file, tm_defines): Substitute. * configure: Regenerate. * mkheader.sh: New file. * Makefile.in (clean): Remove libgcc_tm.h. ($(objects)): Depend on libgcc_tm.h. (libgcc_tm_defines, libgcc_tm_file): New variables. (libgcc_tm.h, libgcc_tm.stamp): New targets. ($(libgcc-objects), $(libgcc-s-objects), $(libgcc-eh-objects)) ($(libgcov-objects), $(libunwind-objects), $(libunwind-s-objects)) ($(extra-parts)): Depend on libgcc_tm.h. * config.host (tm_defines, tm_file): New variable. (arm*-*-linux*): Set tm_file for arm*-*-linux-*eabi. (arm*-*-uclinux*): Set tm_file for arm*-*-uclinux*eabi. (arm*-*-eabi*, arm*-*-symbianelf*): Set tm_file. (avr-*-rtems*): Likewise. (avr-*-*): Likewise. (frv-*-elf): Likewise. (frv-*-*linux*): Likewise. (h8300-*-rtems*): Likewise. (h8300-*-elf*): Likewise. (i[34567]86-*-darwin*): Likewise. (x86_64-*-darwin*): Likewise. (rx-*-elf): Likewise. (tic6x-*-uclinux): Likewise. (tic6x-*-elf): Likewise. (i[34567]86-*-linux*, x86_64-*-linux*): Likewise. * config/alpha/gthr-posix.c: Include libgcc_tm.h. * config/i386/cygming-crtbegin.c: Likewise. * config/i386/cygming-crtend.c: Likewise. * config/ia64/fde-vms.c: Likewise. * config/ia64/unwind-ia64.c: Likewise. * config/libbid/bid_gcc_intrinsics.h: Likewise. * config/rs6000/darwin-fallback.c: Likewise. * config/stormy16/lib2funcs.c: Likewise. * config/xtensa/unwind-dw2-xtensa.c: Likewise. * crtstuff.c: Likewise. * dfp-bit.h: Likewise. * emutls.c: Likewise. * fixed-bit.c: Likewise. * fp-bit.c: Likewise. * generic-morestack-thread.c: Likewise. * generic-morestack.c: Likewise. * libgcc2.c: Likewise. * libgcov.c: Likewise. * unwind-dw2-fde-dip.c: Likewise. * unwind-dw2-fde.c: Likewise. * unwind-dw2.c: Likewise. * unwind-sjlj.c: Likewise. Co-Authored-By: Paolo Bonzini <bonzini@gnu.org> From-SVN: r180775
2011-11-02 16:26:35 +01:00
#include "libgcc_tm.h"
#include "dwarf2.h"
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
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#include "unwind.h"
#define NO_BASE_OF_ENCODED_VALUE
#include "unwind-pe.h"
#include "unwind-dw2-fde.h"
re PR target/14925 (libunwind enabled gcc generates incompatible libgcc_s.so.1) 2004-09-03 H.J. Lu <hongjiu.lu@intel.com> PR target/14925: Makefile.in (LIB2ADDEHSTATIC): New. (LIB2ADDEHSHARED): New. (LIBUNWIND): New. (LIBUNWINDDEP): New. (SHLIBUNWIND_LINK): New. (SHLIBUNWIND_INSTALL): New. (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND, LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL. (clean): Remove libunwind* (stage1-start): Remove and copy stage1/libunwind*. (stage2-start): Remove and copy stage2/libunwind*. (stage3-start): Remove and copy stage3/libunwind*. (stage4-start): Remove and copy stage4/libunwind*. (stageprofile-start): Remove and copy stageprofile/libunwind*. (stagefeedback-start): Remove and copy stagefeedback/libunwind*. * config.gcc (ia64*-*-linux*): Always add t-libunwind to tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to tmake_file if --with-system-libunwind isn't used. * config/ia64/t-glibc-libunwind: New file. * config/t-libunwind-elf: Likewise. * unwind-compat.c: Likewise. * unwind-compat.h: Likewise. * unwind-dw2-fde-compat.c: Likewise. * config/ia64/t-glibc (LIB2ADDEH): Updated. * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS. * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define aliases if needed. * unwind-dw2-fde-glibc.c: Likewise. * unwind-dw2.c: Likewise. * config/t-libunwind (LIB2ADDEH): Updated. (LIB2ADDEHSTATIC): New. (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS. (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER. * configure.ac: Change --enable-libunwind-exceptions to --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS. * configure: Regenerated. * config.in: Updated. * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or above and mention --with-system-libunwind. (ia64-*-hpux*): Mention --enable-libunwind-exceptions is removed in gcc 3.4.3 and later. * gcc.c (init_spec): Add -lunwind to -lgcc_s if USE_LIBUNWIND_EXCEPTIONS is defined. * mklibgcc.in: Support libunwind. From-SVN: r87066
2004-09-04 02:15:42 +02:00
#include "unwind-compat.h"
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
#include "gthr.h"
#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
&& (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
# define USE_PT_GNU_EH_FRAME
#endif
#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
&& defined(__BIONIC__)
# define USE_PT_GNU_EH_FRAME
#endif
#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
&& defined(TARGET_DL_ITERATE_PHDR) \
&& (defined(__DragonFly__) || defined(__FreeBSD__))
# define ElfW __ElfN
# define USE_PT_GNU_EH_FRAME
#endif
#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
&& defined(__OpenBSD__)
# define ElfW(type) Elf_##type
# define USE_PT_GNU_EH_FRAME
#endif
#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
&& defined(TARGET_DL_ITERATE_PHDR) \
&& defined(__sun__) && defined(__svr4__)
# define USE_PT_GNU_EH_FRAME
#endif
#if defined(USE_PT_GNU_EH_FRAME)
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
#include <link.h>
Implement FR-V FDPIC ABI support for frv-uclinux and frv-linux. 2004-02-05 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_emit_movsi): Use GOT relocations for symbols in sections named by the user. 2004-01-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New. 2004-01-27 Alexandre Oliva <aoliva@redhat.com> * config.gcc (frv-*-*linux*): Handle like *-*-linux*. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by the above. 2004-01-20 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add one more pseudo to further improve code generation. 2004-01-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (movdi_ldd): Introduce explicit indirection inside UNSPEC. 2004-01-16 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_legitimate_address_p): Added allow_double_reg_p argument. Adjust all callers. Use it to decide whether to enable double-register indirect addressing. (frv_funcdesc_alias_set): Remove. (frv_expand_fdpic_call): Force non-SYMBOL_REF operand into register. Emit movdi_ldd. (ldd_address_operand): New. * config/frv/frv-protos.h (frv_legitimate_address_p): Adjust. * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise. (PREDICATE_CODES): Add ldd_address_operand. * config/frv/frv.md (movdi_ldd): New. (symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for intermediate computations if possible. (symGOTOFF2reg_i): Fix harmless typo. 2003-12-18 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast relocated p_vaddr to vaddr type. * config/frv/frv-protos.h (frv_expand_fdpic_call): Return void. * config/frv/frv.c (frv_get_funcdesc_alias_set): New. (frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc MEM, or use a funcdesc alias set. Use regular move instead of ldd. (dbl_memory_one_insn_operand): Recognize function descriptors by type or by alias set, and don't split them. * config/frv/frv.md (call, call_value): Never use call_internal for fdpic. (call_internal, call_value_internal): Never match for FDPIC. (call_fdpicdi, call_fdpicsi, call_value_fdpicdi, call_value_fdpicsi): Require FDPIC. (ldd): Removed. 2003-12-17 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__. * unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more. (_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV FDPIC. Compute data base address. * config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic before the other self-specs are processed. * config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Build with -fPIC. 2003-12-15 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if inhibit_libc is defined. 2003-12-12 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for __FRV_FDPIC__. (__RELOC_POINTER): Define. (_Unwind_IteratePhdrCallback): Use it. * config/frv/frv.h (Twrite): Define. (TRANSFER_FROM_TRAMPOLINE): Use it. * config/frv/linux.h (INVOKE__main): Undefine. (Twrite): Override. 2003-12-05 Richard Sandiford <rsandifo@redhat.com> * doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options. (-mlibrary-pic): Emphasize that this option generates EABI code. (-mcpu): Add fr550. (-mpack): Remove. 2003-11-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs and CONSTs in FDPIC mode. * gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.c (move_source_operand): Don't accept symbolic constants. * config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n' rather than 'i' constraint for the 2-instruction alternative. (*movsi_2word): New, incorporating existing int_2word_operand splitter. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from EXTRA_CONSTRAINT_FOR_Y. (EXTRA_CONSTRAINT): Remove handling of 'Y'. * config/frv/frv.md (*movsi_internal): Remove 'Q' constraint. (addsi3): Change 'Y' constraint to 'Q'. 2003-11-27 Richard Sandiford <rsandifo@redhat.com> * reload.c (CONST_POOL_OK_P): New macro. (find_reloads): Use it to decide whether a constant can be forced into memory. * config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the constant satisfies got12_operand. (frv_cannot_force_const_mem): Always return true for TARGET_FDPIC. (frv_legitimate_address_p): Check for valid unspec offsets using got12_operand rather than frv_legitimate_fdpic_operand_p. (frv_legitimate_fdpic_operand_p): Delete. (frv_emit_movsi): Abort if we try to use the FDPIC register during or after reload. (frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if TARGET_FDPIC. * config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE. 2003-11-19 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand) (frv_fdpic_fptr_operand): Don't declare here. * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand rather than fdpic_got12_operand. (PREDICATE_CODES): Remove symbolic_operand entry. Add entries for got12_operand and const_unspec_operand. * config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand. (gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls. (symbolic_operand): Remove. (const_unspec_operand): New predicate. * config/frv/frv.md (*movsi_got): Use got12_operand. (*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand. 2003-11-18 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_output_addr_const_extra): Remove. * config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition. * config/frv/frv.c (frv_unspec): New structure. (frv_small_data_reloc_p, frv_const_unspec_p): New functions. (frv_print_operand_memory_reference): Use frv_const_unspec_p to validate CONST indices. Use frv_output_const_unspec to print them. (frv_print_operand): Update call to unspec_got_name. Use frv_output_const_unspec to print constant unspecs. (frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p. Reject UNSPECs otherwise. (unspec_got_name): Take the relocation number as argument, not an rtx containing it. (frv_output_addr_const_extra): Remove, replacing with... (frv_output_const_unspec): ...this new function. (frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p. (gpr_or_int12_operand): Use fdpic_got12_operand. (dbl_memory_one_insn_operand): Likewise. (fdpic_got12_operand): Use frv_const_unspec_p. (frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that are already legitimate. Use frv_small_data_reloc_p when deciding whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12. 2003-11-18 Alexandre Oliva <aoliva@redhat.com> * config/frv/t-linux (SHLIB_MAPFILES): Override so as to export... * config/frv/libgcc-frv.ver: ... frv-specific symbols. New file. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label, for real this time. * config/frv/frv.c (frv_local_funcdesc_p): Update to new representation of visibility. (fdpic_got12_operand, symbolic_operand): Mark unused arguments as such. 2003-11-17 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros. (TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp. * config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless it was explicitly disabled. (frv_stack_info): There is no need to save the link register in every frame unless TARGET_LINKED_FP is true. (frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a frame pointer if the stack pointer might change value. (frv_return_addr_rtx): Check and process "count" argument. 2003-11-14 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_legitimize_address): Remove. (frv_find_base_term): Declare. * config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing. (FIND_BASE_TERM): Define. (PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand, small_data_register_operand, small_data_symbolic_operand. Add symbolic_operand. * config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete. (frv_print_operand_memory_reference, output_move_single): Remove special handling for unlegitimized sdata addresses. (frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG and symbolic addresses. (frv_legitimize_address, frv_legitimize_fdpic_address): Delete. (frv_find_base_term): New function. (int_2word_operand): Check specifically for symbolic address constants. (pic_register_operand, pic_symbolic_operand): Delete. (small_data_register_operand, small_data_symbolic_operand): Delete. (dbl_memory_one_insn_operand): Don't call plus_small_data_p. Allow UNSPEC_GOT constants if !TARGET_FDPIC. (move_source_operand): Only accept CONSTs if they're a two-insn symbolic constant. (fdpic_got12_operand): Don't require TARGET_FDPIC. (frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses using gen_symGOTOFF2reg*. (frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases. (frv_rtx_costs): Give all MEM addresses a cost of 0. Give MEMs themselves a cost of 3 insns. * config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too. Change predicate to symbolic_operand. (*movsi_high_got, *movsi_lo_sum_got): Likewise. (*movsi_lda_sdata): Delete. (*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete. 2003-11-05 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for frv-*-*linux*. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label. * config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before -multilib-library-pic. (LINK_SPEC): Add -z text for -mfdpic. * config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC. * config/frv/frvend.c (__ROFIXUP_END__): Likewise. * config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Override. (OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use crtstuff-generated files. 2003-10-31 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add frv-*-*linux*. * config/frv/linux.h, config/frv/t-linux: New. 2003-10-06 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker when -mfdpic even if a linker script is explicitly listed. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_override_options): Clear asm_out unaligned_op for SImode on FDPIC. (frv_emit_movsi): Use compute_reloc_for_constant to compute the argument passed to decl_readonly_section. (frv_assemble_integer): Revert 2003-09-30's change, but make the whole block run with FDPIC even with -fno-PIC. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_cannot_force_const_mem): Don't force symbol or label plus offset to memory. (frv_emit_movsi): Emit GPREL only if -mgprel-ro. Emit 32-bit GOTOFF and GPREL for LABEL_REF. * config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with -mfdpic unless -mno-gprel-ro, -fpic or -fpie. (MASK_GPREL_RO, TARGET_GPREL_RO): New. (TARGET_SWITCHES): Added gprel-ro and no-gprel-ro. * doc/invoke.texi: Document them. 2003-09-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare. (frv_splittable_got_operand): Removed. * config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and LO_SUM. Add comments. (frv_override_options): Moved enabling of FDPIC to DRIVER_SELF_SPECS. Don't enable MASK_DWORD. (frv_local_funcdesc_p): Remove unnecessary heck for flag_pie. (frv_legitimize_fdpic_address): Don't duplicate logic in frv_emit_movsi. (frv_gen_GPsym2reg): New. (unspec_got_name): Added gprel. (frv_expand_fdpic_call): Add support for inlining PLTs. (fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand. (gpr_or_int12_operand): Added GPREL12. (pic_symbolic_operand): Match even if !flag_pic for FDPIC. (small_data_symbolic_operand): Fail if FDPIC. (fdpic_splittable_got_operand): Removed. (fdpic_got12_operand): Added GPREL12. (frv_emit_movsi): Reorganize to avoid duplication. Emit GPREL when appropriate. Fix sdata GOTOFF. (frv_legitimate_constant_p): Require legitimate PIC operand for FDPIC with pic, but only a legitimate fdpic operand for non-pic. (frv_assemble_integer): Move FDPIC funcdesc handling out of flag_pic case. (frv_asm_out_constructor, frv_asm_out_destructor): Abort if frv_assemble_integer fails. * config/frv/frv.h (DRIVER_SELF_SPECS): New. (SUBTARGET_DRIVER_SELF_SPECS): New. (ASM_SPEC): Don't pass -mno-fdpic. (LINK_SPEC): Pass -melf32frvfd for FDPIC. (MASK_INLINE_PLT, TARGET_INLINE_PLT): New. (TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and -multilib-library-pic. (PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand, condexec_si_media_operator, condexec_sf_add_operator and condexec_sf_conv_operator. Removed condexec_sf_binary_operator and condexec_sf_unary_operator. * config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO): New. (movsi_got, movsi_high_got, movsi_lo_sum_got): Move before movsi_internal. Give them internal names. movsi_got has type int. (fdpic got splitters): Remove. (symGPREL2reg, symGPREL2reg_hilo): New. * config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC to -mlibrary-pic. Map -multilib-library-pic to it. * doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic: Document. 2003-09-28 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_function_symbol_referenced_p): Declare. (TARGET_CANNOT_FORCE_CONST_MEM): Define to... (frv_cannot_force_const_mem): New function. (const_small_data_p, plus_small_data_p): Update comments on sdata on FDPIC. (frv_override_options): Set flag_pie for FDPIC too. (frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed, call-saved registers on FDPIC. (frv_stack_info): Don't preserve the PIC register on FDPIC, and don't force LR to be preserved. (frv_expand_prologue): Likewise. (frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic. (frv_frame_pointer_required): Don't force it just because the FDPIC register is used. (frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC operand only if !condexec_p. (frv_legitimize_address): Return the FDPIC-legitimized address. Don't match small data here on FDPIC. (frv_legitimate_fdpic_operand_p): Don't accept unadorned function symbols. Use TRUE/FALSE instead of 1/0. (frv_local_funcdesc_p): New. (frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit immediates when possible. (pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC. (dbl_memory_one_insn_operand): Accept addresses that add a REG and an UNSPEC_GOT. (frv_emit_movsi): Handle FDPIC before small data. Use GOTOFF and 12-bit immediates when possible. (frv_legitimate_constant_p): In FDPIC, reject SImode operands that are not legitimate pic operands. (frv_in_small_data_p): Re-enable for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC. (FRV_GLOBAL_P): Removed. * config/frv/frv.md: Add modes to CONSTs. (movsi_got): New. (movsi_lo_sum_got): Use separate matches instead of match_dup. (movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only. (fdpic splittable operations): Match on flag_pic != 1. 2003-09-22 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_asm_out_constructor, frv_asm_out_destructor): Pass to frv_assemble_integer the size in bytes, not bits. 2003-09-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_assemble_integer): Reject complex expressions referencing function SYMBOL_REFs. * config/frv/frv.c (frv_function_symbol_referenced_p): New. (move_source_operand): Reject CONSTs that reference function SYMBOL_REFs on FDPIC. (frv_emit_movsi): If we get such a CONST, break it up. * config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic. (TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC. * config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without MEM. (frv_assemble_integer): Don't use funcdesc for LABEL_REFs. (frv_trampoline_size): Increase for FDPIC. * config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC. (TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines. * config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi): Disable use of GOTOFF for now. (const_small_data_p, plus_small_data_p, frv_in_small_data_p): Disable use of small data in FDPIC for now. (frv_asm_output_mi_thunk): Implement for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC. * config/frv/frv.c (frv_asm_out_constructor): Use frv_assemble_integer for FDPIC pointers. (frv_asm_out_destructor): Likewise. * config/frv/frv.md (ldd): Fix order of operands. Use address_operand for input. 2003-09-18 DJ Delorie <dj@redhat.com> * config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC. (unspec_got_name): Correct typo. (frv_emit_movsi): Pre-expand splittable GOTs. (frv_expand_fdpic_call): Rename gen_lddi to gen_ldd. * config/frv/frv.md (lddi): Fix syntax error, rename to ldd. (symGOT2reg_hilo, symGOTOFF2reg_hilo): New. * config/frv/t-frv: Add -mfdpic multilibs. * config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic. (TARGET_SWITCHES): Add -mno-fdpic, fix documentation. * config/frv/frv.c (frv_override_options): -mfdpic assumes flag_pic, default to 32-bit pics, require DWORD ops. (frv_override_options): Add W and Z constraints. (frv_expand_prologue): No pic prologue for -mfdpic. (frv_asm_output_mi_thunk): Support -mfdpic (soon). (frv_print_operand_memory_reference): Handle GOT constants. (frv_legitimate_address_p): Allow GOT constants. (frv_legitimize_address): Handle GOT addresses too. (frv_legitimate_fdpic_operand_p): New. (frv_legitimize_fdpic_address): New. (unspec_got_name): New. (frv_output_addr_const_extra): New. (frv_expand_fdpic_call): New. (frv_fdpic_fptr_operand): New. (gpr_or_int12_operand): Handle GOT operands. (int_2word_operand): Handle GOT operands. (fdpic_operand): New. (fdpic_splittable_got_operand): New. (fdpic_got12_operand): New. (frv_emit_movsi): Handle GOT operands. (frv_assemble_integer): -mfdpic doesn't use rofixups. (frv_print_operand): Support 'g' code for GOT operands. * config/frv/frv-protos.h: Add prototypes as needed. * config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO, R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI, R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New. (movsi_high_got, movsi_lo_sum_got): New. (*movsi_pic): Don't use this splitter for -mfdpic. (addsi3): Allow GOT references also. (call, call_value): Handle -mfdpic separately. (call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi, call_value_fdpicsi): New. (symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg, symGOTOFF2reg_i): New. * config/frv/frv.h (MASK_FDPIC): New. (TARGET_FDPIC): New. (TARGET_SWITCHES): Add -mfdpic. (FDPIC_FPTR_REGNO): New. (FDPIC_REGNO): New. (OUR_FDPIC_REG): New. (enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and FDPIC_CALL_REGS. (REG_CLASS_NAMES): Likewise. (REG_CLASS_CONTENTS): Likewise. (EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs. (EXTRA_CONSTRAINT): Add it here. (FRV_GLOBAL_P): New. (OUTPUT_ADDR_CONST_EXTRA): New. From-SVN: r78373
2004-02-24 17:58:39 +01:00
#ifndef __RELOC_POINTER
# define __RELOC_POINTER(ptr, base) ((ptr) + (base))
#endif
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
static const fde * _Unwind_Find_registered_FDE (void *pc, struct dwarf_eh_bases *bases);
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
#define _Unwind_Find_FDE _Unwind_Find_registered_FDE
#include "unwind-dw2-fde.c"
#undef _Unwind_Find_FDE
#ifndef PT_GNU_EH_FRAME
#define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550)
#endif
struct unw_eh_callback_data
{
_Unwind_Ptr pc;
void *tbase;
void *dbase;
void *func;
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
const fde *ret;
int check_cache;
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
};
struct unw_eh_frame_hdr
{
unsigned char version;
unsigned char eh_frame_ptr_enc;
unsigned char fde_count_enc;
unsigned char table_enc;
};
#define FRAME_HDR_CACHE_SIZE 8
static struct frame_hdr_cache_element
{
_Unwind_Ptr pc_low;
_Unwind_Ptr pc_high;
_Unwind_Ptr load_base;
const ElfW(Phdr) *p_eh_frame_hdr;
const ElfW(Phdr) *p_dynamic;
struct frame_hdr_cache_element *link;
} frame_hdr_cache[FRAME_HDR_CACHE_SIZE];
static struct frame_hdr_cache_element *frame_hdr_cache_head;
/* Like base_of_encoded_value, but take the base from a struct
unw_eh_callback_data instead of an _Unwind_Context. */
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
static _Unwind_Ptr
base_from_cb_data (unsigned char encoding, struct unw_eh_callback_data *data)
{
if (encoding == DW_EH_PE_omit)
return 0;
switch (encoding & 0x70)
{
case DW_EH_PE_absptr:
case DW_EH_PE_pcrel:
case DW_EH_PE_aligned:
return 0;
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
case DW_EH_PE_textrel:
return (_Unwind_Ptr) data->tbase;
case DW_EH_PE_datarel:
return (_Unwind_Ptr) data->dbase;
default:
gcc_unreachable ();
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
}
}
static int
_Unwind_IteratePhdrCallback (struct dl_phdr_info *info, size_t size, void *ptr)
{
struct unw_eh_callback_data *data = (struct unw_eh_callback_data *) ptr;
const ElfW(Phdr) *phdr, *p_eh_frame_hdr, *p_dynamic;
long n, match;
Implement FR-V FDPIC ABI support for frv-uclinux and frv-linux. 2004-02-05 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_emit_movsi): Use GOT relocations for symbols in sections named by the user. 2004-01-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New. 2004-01-27 Alexandre Oliva <aoliva@redhat.com> * config.gcc (frv-*-*linux*): Handle like *-*-linux*. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by the above. 2004-01-20 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add one more pseudo to further improve code generation. 2004-01-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (movdi_ldd): Introduce explicit indirection inside UNSPEC. 2004-01-16 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_legitimate_address_p): Added allow_double_reg_p argument. Adjust all callers. Use it to decide whether to enable double-register indirect addressing. (frv_funcdesc_alias_set): Remove. (frv_expand_fdpic_call): Force non-SYMBOL_REF operand into register. Emit movdi_ldd. (ldd_address_operand): New. * config/frv/frv-protos.h (frv_legitimate_address_p): Adjust. * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise. (PREDICATE_CODES): Add ldd_address_operand. * config/frv/frv.md (movdi_ldd): New. (symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for intermediate computations if possible. (symGOTOFF2reg_i): Fix harmless typo. 2003-12-18 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast relocated p_vaddr to vaddr type. * config/frv/frv-protos.h (frv_expand_fdpic_call): Return void. * config/frv/frv.c (frv_get_funcdesc_alias_set): New. (frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc MEM, or use a funcdesc alias set. Use regular move instead of ldd. (dbl_memory_one_insn_operand): Recognize function descriptors by type or by alias set, and don't split them. * config/frv/frv.md (call, call_value): Never use call_internal for fdpic. (call_internal, call_value_internal): Never match for FDPIC. (call_fdpicdi, call_fdpicsi, call_value_fdpicdi, call_value_fdpicsi): Require FDPIC. (ldd): Removed. 2003-12-17 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__. * unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more. (_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV FDPIC. Compute data base address. * config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic before the other self-specs are processed. * config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Build with -fPIC. 2003-12-15 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if inhibit_libc is defined. 2003-12-12 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for __FRV_FDPIC__. (__RELOC_POINTER): Define. (_Unwind_IteratePhdrCallback): Use it. * config/frv/frv.h (Twrite): Define. (TRANSFER_FROM_TRAMPOLINE): Use it. * config/frv/linux.h (INVOKE__main): Undefine. (Twrite): Override. 2003-12-05 Richard Sandiford <rsandifo@redhat.com> * doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options. (-mlibrary-pic): Emphasize that this option generates EABI code. (-mcpu): Add fr550. (-mpack): Remove. 2003-11-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs and CONSTs in FDPIC mode. * gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.c (move_source_operand): Don't accept symbolic constants. * config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n' rather than 'i' constraint for the 2-instruction alternative. (*movsi_2word): New, incorporating existing int_2word_operand splitter. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from EXTRA_CONSTRAINT_FOR_Y. (EXTRA_CONSTRAINT): Remove handling of 'Y'. * config/frv/frv.md (*movsi_internal): Remove 'Q' constraint. (addsi3): Change 'Y' constraint to 'Q'. 2003-11-27 Richard Sandiford <rsandifo@redhat.com> * reload.c (CONST_POOL_OK_P): New macro. (find_reloads): Use it to decide whether a constant can be forced into memory. * config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the constant satisfies got12_operand. (frv_cannot_force_const_mem): Always return true for TARGET_FDPIC. (frv_legitimate_address_p): Check for valid unspec offsets using got12_operand rather than frv_legitimate_fdpic_operand_p. (frv_legitimate_fdpic_operand_p): Delete. (frv_emit_movsi): Abort if we try to use the FDPIC register during or after reload. (frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if TARGET_FDPIC. * config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE. 2003-11-19 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand) (frv_fdpic_fptr_operand): Don't declare here. * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand rather than fdpic_got12_operand. (PREDICATE_CODES): Remove symbolic_operand entry. Add entries for got12_operand and const_unspec_operand. * config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand. (gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls. (symbolic_operand): Remove. (const_unspec_operand): New predicate. * config/frv/frv.md (*movsi_got): Use got12_operand. (*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand. 2003-11-18 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_output_addr_const_extra): Remove. * config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition. * config/frv/frv.c (frv_unspec): New structure. (frv_small_data_reloc_p, frv_const_unspec_p): New functions. (frv_print_operand_memory_reference): Use frv_const_unspec_p to validate CONST indices. Use frv_output_const_unspec to print them. (frv_print_operand): Update call to unspec_got_name. Use frv_output_const_unspec to print constant unspecs. (frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p. Reject UNSPECs otherwise. (unspec_got_name): Take the relocation number as argument, not an rtx containing it. (frv_output_addr_const_extra): Remove, replacing with... (frv_output_const_unspec): ...this new function. (frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p. (gpr_or_int12_operand): Use fdpic_got12_operand. (dbl_memory_one_insn_operand): Likewise. (fdpic_got12_operand): Use frv_const_unspec_p. (frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that are already legitimate. Use frv_small_data_reloc_p when deciding whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12. 2003-11-18 Alexandre Oliva <aoliva@redhat.com> * config/frv/t-linux (SHLIB_MAPFILES): Override so as to export... * config/frv/libgcc-frv.ver: ... frv-specific symbols. New file. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label, for real this time. * config/frv/frv.c (frv_local_funcdesc_p): Update to new representation of visibility. (fdpic_got12_operand, symbolic_operand): Mark unused arguments as such. 2003-11-17 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros. (TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp. * config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless it was explicitly disabled. (frv_stack_info): There is no need to save the link register in every frame unless TARGET_LINKED_FP is true. (frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a frame pointer if the stack pointer might change value. (frv_return_addr_rtx): Check and process "count" argument. 2003-11-14 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_legitimize_address): Remove. (frv_find_base_term): Declare. * config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing. (FIND_BASE_TERM): Define. (PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand, small_data_register_operand, small_data_symbolic_operand. Add symbolic_operand. * config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete. (frv_print_operand_memory_reference, output_move_single): Remove special handling for unlegitimized sdata addresses. (frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG and symbolic addresses. (frv_legitimize_address, frv_legitimize_fdpic_address): Delete. (frv_find_base_term): New function. (int_2word_operand): Check specifically for symbolic address constants. (pic_register_operand, pic_symbolic_operand): Delete. (small_data_register_operand, small_data_symbolic_operand): Delete. (dbl_memory_one_insn_operand): Don't call plus_small_data_p. Allow UNSPEC_GOT constants if !TARGET_FDPIC. (move_source_operand): Only accept CONSTs if they're a two-insn symbolic constant. (fdpic_got12_operand): Don't require TARGET_FDPIC. (frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses using gen_symGOTOFF2reg*. (frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases. (frv_rtx_costs): Give all MEM addresses a cost of 0. Give MEMs themselves a cost of 3 insns. * config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too. Change predicate to symbolic_operand. (*movsi_high_got, *movsi_lo_sum_got): Likewise. (*movsi_lda_sdata): Delete. (*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete. 2003-11-05 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for frv-*-*linux*. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label. * config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before -multilib-library-pic. (LINK_SPEC): Add -z text for -mfdpic. * config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC. * config/frv/frvend.c (__ROFIXUP_END__): Likewise. * config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Override. (OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use crtstuff-generated files. 2003-10-31 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add frv-*-*linux*. * config/frv/linux.h, config/frv/t-linux: New. 2003-10-06 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker when -mfdpic even if a linker script is explicitly listed. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_override_options): Clear asm_out unaligned_op for SImode on FDPIC. (frv_emit_movsi): Use compute_reloc_for_constant to compute the argument passed to decl_readonly_section. (frv_assemble_integer): Revert 2003-09-30's change, but make the whole block run with FDPIC even with -fno-PIC. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_cannot_force_const_mem): Don't force symbol or label plus offset to memory. (frv_emit_movsi): Emit GPREL only if -mgprel-ro. Emit 32-bit GOTOFF and GPREL for LABEL_REF. * config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with -mfdpic unless -mno-gprel-ro, -fpic or -fpie. (MASK_GPREL_RO, TARGET_GPREL_RO): New. (TARGET_SWITCHES): Added gprel-ro and no-gprel-ro. * doc/invoke.texi: Document them. 2003-09-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare. (frv_splittable_got_operand): Removed. * config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and LO_SUM. Add comments. (frv_override_options): Moved enabling of FDPIC to DRIVER_SELF_SPECS. Don't enable MASK_DWORD. (frv_local_funcdesc_p): Remove unnecessary heck for flag_pie. (frv_legitimize_fdpic_address): Don't duplicate logic in frv_emit_movsi. (frv_gen_GPsym2reg): New. (unspec_got_name): Added gprel. (frv_expand_fdpic_call): Add support for inlining PLTs. (fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand. (gpr_or_int12_operand): Added GPREL12. (pic_symbolic_operand): Match even if !flag_pic for FDPIC. (small_data_symbolic_operand): Fail if FDPIC. (fdpic_splittable_got_operand): Removed. (fdpic_got12_operand): Added GPREL12. (frv_emit_movsi): Reorganize to avoid duplication. Emit GPREL when appropriate. Fix sdata GOTOFF. (frv_legitimate_constant_p): Require legitimate PIC operand for FDPIC with pic, but only a legitimate fdpic operand for non-pic. (frv_assemble_integer): Move FDPIC funcdesc handling out of flag_pic case. (frv_asm_out_constructor, frv_asm_out_destructor): Abort if frv_assemble_integer fails. * config/frv/frv.h (DRIVER_SELF_SPECS): New. (SUBTARGET_DRIVER_SELF_SPECS): New. (ASM_SPEC): Don't pass -mno-fdpic. (LINK_SPEC): Pass -melf32frvfd for FDPIC. (MASK_INLINE_PLT, TARGET_INLINE_PLT): New. (TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and -multilib-library-pic. (PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand, condexec_si_media_operator, condexec_sf_add_operator and condexec_sf_conv_operator. Removed condexec_sf_binary_operator and condexec_sf_unary_operator. * config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO): New. (movsi_got, movsi_high_got, movsi_lo_sum_got): Move before movsi_internal. Give them internal names. movsi_got has type int. (fdpic got splitters): Remove. (symGPREL2reg, symGPREL2reg_hilo): New. * config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC to -mlibrary-pic. Map -multilib-library-pic to it. * doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic: Document. 2003-09-28 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_function_symbol_referenced_p): Declare. (TARGET_CANNOT_FORCE_CONST_MEM): Define to... (frv_cannot_force_const_mem): New function. (const_small_data_p, plus_small_data_p): Update comments on sdata on FDPIC. (frv_override_options): Set flag_pie for FDPIC too. (frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed, call-saved registers on FDPIC. (frv_stack_info): Don't preserve the PIC register on FDPIC, and don't force LR to be preserved. (frv_expand_prologue): Likewise. (frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic. (frv_frame_pointer_required): Don't force it just because the FDPIC register is used. (frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC operand only if !condexec_p. (frv_legitimize_address): Return the FDPIC-legitimized address. Don't match small data here on FDPIC. (frv_legitimate_fdpic_operand_p): Don't accept unadorned function symbols. Use TRUE/FALSE instead of 1/0. (frv_local_funcdesc_p): New. (frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit immediates when possible. (pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC. (dbl_memory_one_insn_operand): Accept addresses that add a REG and an UNSPEC_GOT. (frv_emit_movsi): Handle FDPIC before small data. Use GOTOFF and 12-bit immediates when possible. (frv_legitimate_constant_p): In FDPIC, reject SImode operands that are not legitimate pic operands. (frv_in_small_data_p): Re-enable for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC. (FRV_GLOBAL_P): Removed. * config/frv/frv.md: Add modes to CONSTs. (movsi_got): New. (movsi_lo_sum_got): Use separate matches instead of match_dup. (movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only. (fdpic splittable operations): Match on flag_pic != 1. 2003-09-22 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_asm_out_constructor, frv_asm_out_destructor): Pass to frv_assemble_integer the size in bytes, not bits. 2003-09-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_assemble_integer): Reject complex expressions referencing function SYMBOL_REFs. * config/frv/frv.c (frv_function_symbol_referenced_p): New. (move_source_operand): Reject CONSTs that reference function SYMBOL_REFs on FDPIC. (frv_emit_movsi): If we get such a CONST, break it up. * config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic. (TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC. * config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without MEM. (frv_assemble_integer): Don't use funcdesc for LABEL_REFs. (frv_trampoline_size): Increase for FDPIC. * config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC. (TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines. * config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi): Disable use of GOTOFF for now. (const_small_data_p, plus_small_data_p, frv_in_small_data_p): Disable use of small data in FDPIC for now. (frv_asm_output_mi_thunk): Implement for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC. * config/frv/frv.c (frv_asm_out_constructor): Use frv_assemble_integer for FDPIC pointers. (frv_asm_out_destructor): Likewise. * config/frv/frv.md (ldd): Fix order of operands. Use address_operand for input. 2003-09-18 DJ Delorie <dj@redhat.com> * config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC. (unspec_got_name): Correct typo. (frv_emit_movsi): Pre-expand splittable GOTs. (frv_expand_fdpic_call): Rename gen_lddi to gen_ldd. * config/frv/frv.md (lddi): Fix syntax error, rename to ldd. (symGOT2reg_hilo, symGOTOFF2reg_hilo): New. * config/frv/t-frv: Add -mfdpic multilibs. * config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic. (TARGET_SWITCHES): Add -mno-fdpic, fix documentation. * config/frv/frv.c (frv_override_options): -mfdpic assumes flag_pic, default to 32-bit pics, require DWORD ops. (frv_override_options): Add W and Z constraints. (frv_expand_prologue): No pic prologue for -mfdpic. (frv_asm_output_mi_thunk): Support -mfdpic (soon). (frv_print_operand_memory_reference): Handle GOT constants. (frv_legitimate_address_p): Allow GOT constants. (frv_legitimize_address): Handle GOT addresses too. (frv_legitimate_fdpic_operand_p): New. (frv_legitimize_fdpic_address): New. (unspec_got_name): New. (frv_output_addr_const_extra): New. (frv_expand_fdpic_call): New. (frv_fdpic_fptr_operand): New. (gpr_or_int12_operand): Handle GOT operands. (int_2word_operand): Handle GOT operands. (fdpic_operand): New. (fdpic_splittable_got_operand): New. (fdpic_got12_operand): New. (frv_emit_movsi): Handle GOT operands. (frv_assemble_integer): -mfdpic doesn't use rofixups. (frv_print_operand): Support 'g' code for GOT operands. * config/frv/frv-protos.h: Add prototypes as needed. * config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO, R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI, R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New. (movsi_high_got, movsi_lo_sum_got): New. (*movsi_pic): Don't use this splitter for -mfdpic. (addsi3): Allow GOT references also. (call, call_value): Handle -mfdpic separately. (call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi, call_value_fdpicsi): New. (symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg, symGOTOFF2reg_i): New. * config/frv/frv.h (MASK_FDPIC): New. (TARGET_FDPIC): New. (TARGET_SWITCHES): Add -mfdpic. (FDPIC_FPTR_REGNO): New. (FDPIC_REGNO): New. (OUR_FDPIC_REG): New. (enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and FDPIC_CALL_REGS. (REG_CLASS_NAMES): Likewise. (REG_CLASS_CONTENTS): Likewise. (EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs. (EXTRA_CONSTRAINT): Add it here. (FRV_GLOBAL_P): New. (OUTPUT_ADDR_CONST_EXTRA): New. From-SVN: r78373
2004-02-24 17:58:39 +01:00
#ifdef __FRV_FDPIC__
struct elf32_fdpic_loadaddr load_base;
#else
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
_Unwind_Ptr load_base;
Implement FR-V FDPIC ABI support for frv-uclinux and frv-linux. 2004-02-05 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_emit_movsi): Use GOT relocations for symbols in sections named by the user. 2004-01-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New. 2004-01-27 Alexandre Oliva <aoliva@redhat.com> * config.gcc (frv-*-*linux*): Handle like *-*-linux*. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by the above. 2004-01-20 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add one more pseudo to further improve code generation. 2004-01-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (movdi_ldd): Introduce explicit indirection inside UNSPEC. 2004-01-16 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_legitimate_address_p): Added allow_double_reg_p argument. Adjust all callers. Use it to decide whether to enable double-register indirect addressing. (frv_funcdesc_alias_set): Remove. (frv_expand_fdpic_call): Force non-SYMBOL_REF operand into register. Emit movdi_ldd. (ldd_address_operand): New. * config/frv/frv-protos.h (frv_legitimate_address_p): Adjust. * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise. (PREDICATE_CODES): Add ldd_address_operand. * config/frv/frv.md (movdi_ldd): New. (symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for intermediate computations if possible. (symGOTOFF2reg_i): Fix harmless typo. 2003-12-18 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast relocated p_vaddr to vaddr type. * config/frv/frv-protos.h (frv_expand_fdpic_call): Return void. * config/frv/frv.c (frv_get_funcdesc_alias_set): New. (frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc MEM, or use a funcdesc alias set. Use regular move instead of ldd. (dbl_memory_one_insn_operand): Recognize function descriptors by type or by alias set, and don't split them. * config/frv/frv.md (call, call_value): Never use call_internal for fdpic. (call_internal, call_value_internal): Never match for FDPIC. (call_fdpicdi, call_fdpicsi, call_value_fdpicdi, call_value_fdpicsi): Require FDPIC. (ldd): Removed. 2003-12-17 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__. * unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more. (_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV FDPIC. Compute data base address. * config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic before the other self-specs are processed. * config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Build with -fPIC. 2003-12-15 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if inhibit_libc is defined. 2003-12-12 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for __FRV_FDPIC__. (__RELOC_POINTER): Define. (_Unwind_IteratePhdrCallback): Use it. * config/frv/frv.h (Twrite): Define. (TRANSFER_FROM_TRAMPOLINE): Use it. * config/frv/linux.h (INVOKE__main): Undefine. (Twrite): Override. 2003-12-05 Richard Sandiford <rsandifo@redhat.com> * doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options. (-mlibrary-pic): Emphasize that this option generates EABI code. (-mcpu): Add fr550. (-mpack): Remove. 2003-11-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs and CONSTs in FDPIC mode. * gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.c (move_source_operand): Don't accept symbolic constants. * config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n' rather than 'i' constraint for the 2-instruction alternative. (*movsi_2word): New, incorporating existing int_2word_operand splitter. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from EXTRA_CONSTRAINT_FOR_Y. (EXTRA_CONSTRAINT): Remove handling of 'Y'. * config/frv/frv.md (*movsi_internal): Remove 'Q' constraint. (addsi3): Change 'Y' constraint to 'Q'. 2003-11-27 Richard Sandiford <rsandifo@redhat.com> * reload.c (CONST_POOL_OK_P): New macro. (find_reloads): Use it to decide whether a constant can be forced into memory. * config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the constant satisfies got12_operand. (frv_cannot_force_const_mem): Always return true for TARGET_FDPIC. (frv_legitimate_address_p): Check for valid unspec offsets using got12_operand rather than frv_legitimate_fdpic_operand_p. (frv_legitimate_fdpic_operand_p): Delete. (frv_emit_movsi): Abort if we try to use the FDPIC register during or after reload. (frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if TARGET_FDPIC. * config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE. 2003-11-19 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand) (frv_fdpic_fptr_operand): Don't declare here. * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand rather than fdpic_got12_operand. (PREDICATE_CODES): Remove symbolic_operand entry. Add entries for got12_operand and const_unspec_operand. * config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand. (gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls. (symbolic_operand): Remove. (const_unspec_operand): New predicate. * config/frv/frv.md (*movsi_got): Use got12_operand. (*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand. 2003-11-18 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_output_addr_const_extra): Remove. * config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition. * config/frv/frv.c (frv_unspec): New structure. (frv_small_data_reloc_p, frv_const_unspec_p): New functions. (frv_print_operand_memory_reference): Use frv_const_unspec_p to validate CONST indices. Use frv_output_const_unspec to print them. (frv_print_operand): Update call to unspec_got_name. Use frv_output_const_unspec to print constant unspecs. (frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p. Reject UNSPECs otherwise. (unspec_got_name): Take the relocation number as argument, not an rtx containing it. (frv_output_addr_const_extra): Remove, replacing with... (frv_output_const_unspec): ...this new function. (frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p. (gpr_or_int12_operand): Use fdpic_got12_operand. (dbl_memory_one_insn_operand): Likewise. (fdpic_got12_operand): Use frv_const_unspec_p. (frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that are already legitimate. Use frv_small_data_reloc_p when deciding whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12. 2003-11-18 Alexandre Oliva <aoliva@redhat.com> * config/frv/t-linux (SHLIB_MAPFILES): Override so as to export... * config/frv/libgcc-frv.ver: ... frv-specific symbols. New file. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label, for real this time. * config/frv/frv.c (frv_local_funcdesc_p): Update to new representation of visibility. (fdpic_got12_operand, symbolic_operand): Mark unused arguments as such. 2003-11-17 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros. (TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp. * config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless it was explicitly disabled. (frv_stack_info): There is no need to save the link register in every frame unless TARGET_LINKED_FP is true. (frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a frame pointer if the stack pointer might change value. (frv_return_addr_rtx): Check and process "count" argument. 2003-11-14 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_legitimize_address): Remove. (frv_find_base_term): Declare. * config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing. (FIND_BASE_TERM): Define. (PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand, small_data_register_operand, small_data_symbolic_operand. Add symbolic_operand. * config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete. (frv_print_operand_memory_reference, output_move_single): Remove special handling for unlegitimized sdata addresses. (frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG and symbolic addresses. (frv_legitimize_address, frv_legitimize_fdpic_address): Delete. (frv_find_base_term): New function. (int_2word_operand): Check specifically for symbolic address constants. (pic_register_operand, pic_symbolic_operand): Delete. (small_data_register_operand, small_data_symbolic_operand): Delete. (dbl_memory_one_insn_operand): Don't call plus_small_data_p. Allow UNSPEC_GOT constants if !TARGET_FDPIC. (move_source_operand): Only accept CONSTs if they're a two-insn symbolic constant. (fdpic_got12_operand): Don't require TARGET_FDPIC. (frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses using gen_symGOTOFF2reg*. (frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases. (frv_rtx_costs): Give all MEM addresses a cost of 0. Give MEMs themselves a cost of 3 insns. * config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too. Change predicate to symbolic_operand. (*movsi_high_got, *movsi_lo_sum_got): Likewise. (*movsi_lda_sdata): Delete. (*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete. 2003-11-05 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for frv-*-*linux*. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label. * config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before -multilib-library-pic. (LINK_SPEC): Add -z text for -mfdpic. * config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC. * config/frv/frvend.c (__ROFIXUP_END__): Likewise. * config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Override. (OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use crtstuff-generated files. 2003-10-31 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add frv-*-*linux*. * config/frv/linux.h, config/frv/t-linux: New. 2003-10-06 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker when -mfdpic even if a linker script is explicitly listed. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_override_options): Clear asm_out unaligned_op for SImode on FDPIC. (frv_emit_movsi): Use compute_reloc_for_constant to compute the argument passed to decl_readonly_section. (frv_assemble_integer): Revert 2003-09-30's change, but make the whole block run with FDPIC even with -fno-PIC. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_cannot_force_const_mem): Don't force symbol or label plus offset to memory. (frv_emit_movsi): Emit GPREL only if -mgprel-ro. Emit 32-bit GOTOFF and GPREL for LABEL_REF. * config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with -mfdpic unless -mno-gprel-ro, -fpic or -fpie. (MASK_GPREL_RO, TARGET_GPREL_RO): New. (TARGET_SWITCHES): Added gprel-ro and no-gprel-ro. * doc/invoke.texi: Document them. 2003-09-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare. (frv_splittable_got_operand): Removed. * config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and LO_SUM. Add comments. (frv_override_options): Moved enabling of FDPIC to DRIVER_SELF_SPECS. Don't enable MASK_DWORD. (frv_local_funcdesc_p): Remove unnecessary heck for flag_pie. (frv_legitimize_fdpic_address): Don't duplicate logic in frv_emit_movsi. (frv_gen_GPsym2reg): New. (unspec_got_name): Added gprel. (frv_expand_fdpic_call): Add support for inlining PLTs. (fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand. (gpr_or_int12_operand): Added GPREL12. (pic_symbolic_operand): Match even if !flag_pic for FDPIC. (small_data_symbolic_operand): Fail if FDPIC. (fdpic_splittable_got_operand): Removed. (fdpic_got12_operand): Added GPREL12. (frv_emit_movsi): Reorganize to avoid duplication. Emit GPREL when appropriate. Fix sdata GOTOFF. (frv_legitimate_constant_p): Require legitimate PIC operand for FDPIC with pic, but only a legitimate fdpic operand for non-pic. (frv_assemble_integer): Move FDPIC funcdesc handling out of flag_pic case. (frv_asm_out_constructor, frv_asm_out_destructor): Abort if frv_assemble_integer fails. * config/frv/frv.h (DRIVER_SELF_SPECS): New. (SUBTARGET_DRIVER_SELF_SPECS): New. (ASM_SPEC): Don't pass -mno-fdpic. (LINK_SPEC): Pass -melf32frvfd for FDPIC. (MASK_INLINE_PLT, TARGET_INLINE_PLT): New. (TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and -multilib-library-pic. (PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand, condexec_si_media_operator, condexec_sf_add_operator and condexec_sf_conv_operator. Removed condexec_sf_binary_operator and condexec_sf_unary_operator. * config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO): New. (movsi_got, movsi_high_got, movsi_lo_sum_got): Move before movsi_internal. Give them internal names. movsi_got has type int. (fdpic got splitters): Remove. (symGPREL2reg, symGPREL2reg_hilo): New. * config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC to -mlibrary-pic. Map -multilib-library-pic to it. * doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic: Document. 2003-09-28 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_function_symbol_referenced_p): Declare. (TARGET_CANNOT_FORCE_CONST_MEM): Define to... (frv_cannot_force_const_mem): New function. (const_small_data_p, plus_small_data_p): Update comments on sdata on FDPIC. (frv_override_options): Set flag_pie for FDPIC too. (frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed, call-saved registers on FDPIC. (frv_stack_info): Don't preserve the PIC register on FDPIC, and don't force LR to be preserved. (frv_expand_prologue): Likewise. (frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic. (frv_frame_pointer_required): Don't force it just because the FDPIC register is used. (frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC operand only if !condexec_p. (frv_legitimize_address): Return the FDPIC-legitimized address. Don't match small data here on FDPIC. (frv_legitimate_fdpic_operand_p): Don't accept unadorned function symbols. Use TRUE/FALSE instead of 1/0. (frv_local_funcdesc_p): New. (frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit immediates when possible. (pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC. (dbl_memory_one_insn_operand): Accept addresses that add a REG and an UNSPEC_GOT. (frv_emit_movsi): Handle FDPIC before small data. Use GOTOFF and 12-bit immediates when possible. (frv_legitimate_constant_p): In FDPIC, reject SImode operands that are not legitimate pic operands. (frv_in_small_data_p): Re-enable for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC. (FRV_GLOBAL_P): Removed. * config/frv/frv.md: Add modes to CONSTs. (movsi_got): New. (movsi_lo_sum_got): Use separate matches instead of match_dup. (movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only. (fdpic splittable operations): Match on flag_pic != 1. 2003-09-22 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_asm_out_constructor, frv_asm_out_destructor): Pass to frv_assemble_integer the size in bytes, not bits. 2003-09-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_assemble_integer): Reject complex expressions referencing function SYMBOL_REFs. * config/frv/frv.c (frv_function_symbol_referenced_p): New. (move_source_operand): Reject CONSTs that reference function SYMBOL_REFs on FDPIC. (frv_emit_movsi): If we get such a CONST, break it up. * config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic. (TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC. * config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without MEM. (frv_assemble_integer): Don't use funcdesc for LABEL_REFs. (frv_trampoline_size): Increase for FDPIC. * config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC. (TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines. * config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi): Disable use of GOTOFF for now. (const_small_data_p, plus_small_data_p, frv_in_small_data_p): Disable use of small data in FDPIC for now. (frv_asm_output_mi_thunk): Implement for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC. * config/frv/frv.c (frv_asm_out_constructor): Use frv_assemble_integer for FDPIC pointers. (frv_asm_out_destructor): Likewise. * config/frv/frv.md (ldd): Fix order of operands. Use address_operand for input. 2003-09-18 DJ Delorie <dj@redhat.com> * config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC. (unspec_got_name): Correct typo. (frv_emit_movsi): Pre-expand splittable GOTs. (frv_expand_fdpic_call): Rename gen_lddi to gen_ldd. * config/frv/frv.md (lddi): Fix syntax error, rename to ldd. (symGOT2reg_hilo, symGOTOFF2reg_hilo): New. * config/frv/t-frv: Add -mfdpic multilibs. * config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic. (TARGET_SWITCHES): Add -mno-fdpic, fix documentation. * config/frv/frv.c (frv_override_options): -mfdpic assumes flag_pic, default to 32-bit pics, require DWORD ops. (frv_override_options): Add W and Z constraints. (frv_expand_prologue): No pic prologue for -mfdpic. (frv_asm_output_mi_thunk): Support -mfdpic (soon). (frv_print_operand_memory_reference): Handle GOT constants. (frv_legitimate_address_p): Allow GOT constants. (frv_legitimize_address): Handle GOT addresses too. (frv_legitimate_fdpic_operand_p): New. (frv_legitimize_fdpic_address): New. (unspec_got_name): New. (frv_output_addr_const_extra): New. (frv_expand_fdpic_call): New. (frv_fdpic_fptr_operand): New. (gpr_or_int12_operand): Handle GOT operands. (int_2word_operand): Handle GOT operands. (fdpic_operand): New. (fdpic_splittable_got_operand): New. (fdpic_got12_operand): New. (frv_emit_movsi): Handle GOT operands. (frv_assemble_integer): -mfdpic doesn't use rofixups. (frv_print_operand): Support 'g' code for GOT operands. * config/frv/frv-protos.h: Add prototypes as needed. * config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO, R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI, R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New. (movsi_high_got, movsi_lo_sum_got): New. (*movsi_pic): Don't use this splitter for -mfdpic. (addsi3): Allow GOT references also. (call, call_value): Handle -mfdpic separately. (call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi, call_value_fdpicsi): New. (symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg, symGOTOFF2reg_i): New. * config/frv/frv.h (MASK_FDPIC): New. (TARGET_FDPIC): New. (TARGET_SWITCHES): Add -mfdpic. (FDPIC_FPTR_REGNO): New. (FDPIC_REGNO): New. (OUR_FDPIC_REG): New. (enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and FDPIC_CALL_REGS. (REG_CLASS_NAMES): Likewise. (REG_CLASS_CONTENTS): Likewise. (EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs. (EXTRA_CONSTRAINT): Add it here. (FRV_GLOBAL_P): New. (OUTPUT_ADDR_CONST_EXTRA): New. From-SVN: r78373
2004-02-24 17:58:39 +01:00
#endif
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
const unsigned char *p;
const struct unw_eh_frame_hdr *hdr;
_Unwind_Ptr eh_frame;
struct object ob;
_Unwind_Ptr pc_low = 0, pc_high = 0;
struct ext_dl_phdr_info
{
ElfW(Addr) dlpi_addr;
const char *dlpi_name;
const ElfW(Phdr) *dlpi_phdr;
ElfW(Half) dlpi_phnum;
unsigned long long int dlpi_adds;
unsigned long long int dlpi_subs;
};
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
match = 0;
phdr = info->dlpi_phdr;
load_base = info->dlpi_addr;
p_eh_frame_hdr = NULL;
p_dynamic = NULL;
struct frame_hdr_cache_element *prev_cache_entry = NULL,
*last_cache_entry = NULL;
if (data->check_cache && size >= sizeof (struct ext_dl_phdr_info))
{
static unsigned long long adds = -1ULL, subs;
struct ext_dl_phdr_info *einfo = (struct ext_dl_phdr_info *) info;
/* We use a least recently used cache replacement policy. Also,
the most recently used cache entries are placed at the head
of the search chain. */
if (einfo->dlpi_adds == adds && einfo->dlpi_subs == subs)
{
/* Find data->pc in shared library cache.
Set load_base, p_eh_frame_hdr and p_dynamic
plus match from the cache and goto
"Read .eh_frame_hdr header." below. */
struct frame_hdr_cache_element *cache_entry;
for (cache_entry = frame_hdr_cache_head;
cache_entry;
cache_entry = cache_entry->link)
{
if (data->pc >= cache_entry->pc_low
&& data->pc < cache_entry->pc_high)
{
load_base = cache_entry->load_base;
p_eh_frame_hdr = cache_entry->p_eh_frame_hdr;
p_dynamic = cache_entry->p_dynamic;
/* And move the entry we're using to the head. */
if (cache_entry != frame_hdr_cache_head)
{
prev_cache_entry->link = cache_entry->link;
cache_entry->link = frame_hdr_cache_head;
frame_hdr_cache_head = cache_entry;
}
goto found;
}
Remove trailing white spaces. 2009-11-25 H.J. Lu <hongjiu.lu@intel.com> * alias.c: Remove trailing white spaces. * alloc-pool.c: Likewise. * alloc-pool.h: Likewise. * attribs.c: Likewise. * auto-inc-dec.c: Likewise. * basic-block.h: Likewise. * bb-reorder.c: Likewise. * bt-load.c: Likewise. * builtins.c: Likewise. * builtins.def: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-decl.c: Likewise. * c-format.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-parser.c: Likewise. * c-pretty-print.c: Likewise. * c-tree.h: Likewise. * c-typeck.c: Likewise. * caller-save.c: Likewise. * calls.c: Likewise. * cfg.c: Likewise. * cfganal.c: Likewise. * cfgexpand.c: Likewise. * cfghooks.c: Likewise. * cfghooks.h: Likewise. * cfglayout.c: Likewise. * cfgloop.c: Likewise. * cfgloop.h: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * cgraph.c: Likewise. * cgraph.h: Likewise. * cgraphbuild.c: Likewise. * cgraphunit.c: Likewise. * cif-code.def: Likewise. * collect2.c: Likewise. * combine.c: Likewise. * convert.c: Likewise. * coverage.c: Likewise. * crtstuff.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * dbgcnt.c: Likewise. * dbgcnt.def: Likewise. * dbgcnt.h: Likewise. * dbxout.c: Likewise. * dce.c: Likewise. * ddg.c: Likewise. * ddg.h: Likewise. * defaults.h: Likewise. * df-byte-scan.c: Likewise. * df-core.c: Likewise. * df-problems.c: Likewise. * df-scan.c: Likewise. * df.h: Likewise. * dfp.c: Likewise. * diagnostic.c: Likewise. * diagnostic.h: Likewise. * dominance.c: Likewise. * domwalk.c: Likewise. * double-int.c: Likewise. * double-int.h: Likewise. * dse.c: Likewise. * dwarf2asm.c: Likewise. * dwarf2asm.h: Likewise. * dwarf2out.c: Likewise. * ebitmap.c: Likewise. * ebitmap.h: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * except.c: Likewise. * except.h: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * expr.h: Likewise. * final.c: Likewise. * flags.h: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * function.h: Likewise. * fwprop.c: Likewise. * gcc.c: Likewise. * gcov-dump.c: Likewise. * gcov-io.c: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genattr.c: Likewise. * genattrtab.c: Likewise. * genautomata.c: Likewise. * genchecksum.c: Likewise. * genconfig.c: Likewise. * genflags.c: Likewise. * gengtype-parse.c: Likewise. * gengtype.c: Likewise. * gengtype.h: Likewise. * genmddeps.c: Likewise. * genmodes.c: Likewise. * genopinit.c: Likewise. * genpreds.c: Likewise. * gensupport.c: Likewise. * ggc-common.c: Likewise. * ggc-page.c: Likewise. * ggc-zone.c: Likewise. * ggc.h: Likewise. * gimple-iterator.c: Likewise. * gimple-low.c: Likewise. * gimple-pretty-print.c: Likewise. * gimple.c: Likewise. * gimple.def: Likewise. * gimple.h: Likewise. * gimplify.c: Likewise. * graphds.c: Likewise. * graphite-clast-to-gimple.c: Likewise. * gthr-nks.h: Likewise. * gthr-posix.c: Likewise. * gthr-posix.h: Likewise. * gthr-posix95.h: Likewise. * gthr-single.h: Likewise. * gthr-tpf.h: Likewise. * gthr-vxworks.h: Likewise. * gthr.h: Likewise. * haifa-sched.c: Likewise. * hard-reg-set.h: Likewise. * hooks.c: Likewise. * hooks.h: Likewise. * hosthooks.h: Likewise. * hwint.h: Likewise. * ifcvt.c: Likewise. * incpath.c: Likewise. * init-regs.c: Likewise. * integrate.c: Likewise. * ipa-cp.c: Likewise. * ipa-inline.c: Likewise. * ipa-prop.c: Likewise. * ipa-pure-const.c: Likewise. * ipa-reference.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa-struct-reorg.h: Likewise. * ipa-type-escape.c: Likewise. * ipa-type-escape.h: Likewise. * ipa-utils.c: Likewise. * ipa-utils.h: Likewise. * ipa.c: Likewise. * ira-build.c: Likewise. * ira-color.c: Likewise. * ira-conflicts.c: Likewise. * ira-costs.c: Likewise. * ira-emit.c: Likewise. * ira-int.h: Likewise. * ira-lives.c: Likewise. * ira.c: Likewise. * jump.c: Likewise. * lambda-code.c: Likewise. * lambda-mat.c: Likewise. * lambda-trans.c: Likewise. * lambda.h: Likewise. * langhooks.c: Likewise. * lcm.c: Likewise. * libgcov.c: Likewise. * lists.c: Likewise. * loop-doloop.c: Likewise. * loop-init.c: Likewise. * loop-invariant.c: Likewise. * loop-iv.c: Likewise. * loop-unroll.c: Likewise. * lower-subreg.c: Likewise. * lto-cgraph.c: Likewise. * lto-compress.c: Likewise. * lto-opts.c: Likewise. * lto-section-in.c: Likewise. * lto-section-out.c: Likewise. * lto-streamer-in.c: Likewise. * lto-streamer-out.c: Likewise. * lto-streamer.c: Likewise. * lto-streamer.h: Likewise. * lto-symtab.c: Likewise. * lto-wpa-fixup.c: Likewise. * matrix-reorg.c: Likewise. * mcf.c: Likewise. * mode-switching.c: Likewise. * modulo-sched.c: Likewise. * omega.c: Likewise. * omega.h: Likewise. * omp-low.c: Likewise. * optabs.c: Likewise. * optabs.h: Likewise. * opts-common.c: Likewise. * opts.c: Likewise. * params.def: Likewise. * params.h: Likewise. * passes.c: Likewise. * plugin.c: Likewise. * postreload-gcse.c: Likewise. * postreload.c: Likewise. * predict.c: Likewise. * predict.def: Likewise. * pretty-print.c: Likewise. * pretty-print.h: Likewise. * print-rtl.c: Likewise. * print-tree.c: Likewise. * profile.c: Likewise. * read-rtl.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * reg-stack.c: Likewise. * regcprop.c: Likewise. * reginfo.c: Likewise. * regmove.c: Likewise. * regrename.c: Likewise. * regs.h: Likewise. * regstat.c: Likewise. * reload.c: Likewise. * reload1.c: Likewise. * resource.c: Likewise. * rtl.c: Likewise. * rtl.def: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. * sbitmap.c: Likewise. * sched-deps.c: Likewise. * sched-ebb.c: Likewise. * sched-int.h: Likewise. * sched-rgn.c: Likewise. * sched-vis.c: Likewise. * sdbout.c: Likewise. * sel-sched-dump.c: Likewise. * sel-sched-dump.h: Likewise. * sel-sched-ir.c: Likewise. * sel-sched-ir.h: Likewise. * sel-sched.c: Likewise. * sel-sched.h: Likewise. * sese.c: Likewise. * sese.h: Likewise. * simplify-rtx.c: Likewise. * stack-ptr-mod.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * store-motion.c: Likewise. * stringpool.c: Likewise. * stub-objc.c: Likewise. * sync-builtins.def: Likewise. * target-def.h: Likewise. * target.h: Likewise. * targhooks.c: Likewise. * targhooks.h: Likewise. * timevar.c: Likewise. * tlink.c: Likewise. * toplev.c: Likewise. * toplev.h: Likewise. * tracer.c: Likewise. * tree-affine.c: Likewise. * tree-affine.h: Likewise. * tree-browser.def: Likewise. * tree-call-cdce.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-chrec.c: Likewise. * tree-chrec.h: Likewise. * tree-complex.c: Likewise. * tree-data-ref.c: Likewise. * tree-data-ref.h: Likewise. * tree-dfa.c: Likewise. * tree-dump.c: Likewise. * tree-dump.h: Likewise. * tree-eh.c: Likewise. * tree-flow-inline.h: Likewise. * tree-flow.h: Likewise. * tree-if-conv.c: Likewise. * tree-inline.c: Likewise. * tree-into-ssa.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-loop-linear.c: Likewise. * tree-mudflap.c: Likewise. * tree-nested.c: Likewise. * tree-nomudflap.c: Likewise. * tree-nrv.c: Likewise. * tree-object-size.c: Likewise. * tree-optimize.c: Likewise. * tree-outof-ssa.c: Likewise. * tree-parloops.c: Likewise. * tree-pass.h: Likewise. * tree-phinodes.c: Likewise. * tree-predcom.c: Likewise. * tree-pretty-print.c: Likewise. * tree-profile.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-ssa-address.c: Likewise. * tree-ssa-alias.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree-ssa-copy.c: Likewise. * tree-ssa-copyrename.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-dse.c: Likewise. * tree-ssa-forwprop.c: Likewise. * tree-ssa-ifcombine.c: Likewise. * tree-ssa-live.c: Likewise. * tree-ssa-live.h: Likewise. * tree-ssa-loop-ch.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-loop-unswitch.c: Likewise. * tree-ssa-loop.c: Likewise. * tree-ssa-math-opts.c: Likewise. * tree-ssa-operands.c: Likewise. * tree-ssa-operands.h: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-propagate.c: Likewise. * tree-ssa-reassoc.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-sink.c: Likewise. * tree-ssa-structalias.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-ssa-threadedge.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-uncprop.c: Likewise. * tree-ssa.c: Likewise. * tree-ssanames.c: Likewise. * tree-switch-conversion.c: Likewise. * tree-tailcall.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-generic.c: Likewise. * tree-vect-loop-manip.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * tree-vectorizer.c: Likewise. * tree-vectorizer.h: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. * tree.def: Likewise. * tree.h: Likewise. * treestruct.def: Likewise. * unwind-compat.c: Likewise. * unwind-dw2-fde-glibc.c: Likewise. * unwind-dw2.c: Likewise. * value-prof.c: Likewise. * value-prof.h: Likewise. * var-tracking.c: Likewise. * varasm.c: Likewise. * varpool.c: Likewise. * vec.c: Likewise. * vec.h: Likewise. * vmsdbgout.c: Likewise. * web.c: Likewise. * xcoffout.c: Likewise. From-SVN: r154645
2009-11-25 11:55:54 +01:00
last_cache_entry = cache_entry;
/* Exit early if we found an unused entry. */
if ((cache_entry->pc_low | cache_entry->pc_high) == 0)
break;
if (cache_entry->link != NULL)
Remove trailing white spaces. 2009-11-25 H.J. Lu <hongjiu.lu@intel.com> * alias.c: Remove trailing white spaces. * alloc-pool.c: Likewise. * alloc-pool.h: Likewise. * attribs.c: Likewise. * auto-inc-dec.c: Likewise. * basic-block.h: Likewise. * bb-reorder.c: Likewise. * bt-load.c: Likewise. * builtins.c: Likewise. * builtins.def: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-decl.c: Likewise. * c-format.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-parser.c: Likewise. * c-pretty-print.c: Likewise. * c-tree.h: Likewise. * c-typeck.c: Likewise. * caller-save.c: Likewise. * calls.c: Likewise. * cfg.c: Likewise. * cfganal.c: Likewise. * cfgexpand.c: Likewise. * cfghooks.c: Likewise. * cfghooks.h: Likewise. * cfglayout.c: Likewise. * cfgloop.c: Likewise. * cfgloop.h: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * cgraph.c: Likewise. * cgraph.h: Likewise. * cgraphbuild.c: Likewise. * cgraphunit.c: Likewise. * cif-code.def: Likewise. * collect2.c: Likewise. * combine.c: Likewise. * convert.c: Likewise. * coverage.c: Likewise. * crtstuff.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * dbgcnt.c: Likewise. * dbgcnt.def: Likewise. * dbgcnt.h: Likewise. * dbxout.c: Likewise. * dce.c: Likewise. * ddg.c: Likewise. * ddg.h: Likewise. * defaults.h: Likewise. * df-byte-scan.c: Likewise. * df-core.c: Likewise. * df-problems.c: Likewise. * df-scan.c: Likewise. * df.h: Likewise. * dfp.c: Likewise. * diagnostic.c: Likewise. * diagnostic.h: Likewise. * dominance.c: Likewise. * domwalk.c: Likewise. * double-int.c: Likewise. * double-int.h: Likewise. * dse.c: Likewise. * dwarf2asm.c: Likewise. * dwarf2asm.h: Likewise. * dwarf2out.c: Likewise. * ebitmap.c: Likewise. * ebitmap.h: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * except.c: Likewise. * except.h: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * expr.h: Likewise. * final.c: Likewise. * flags.h: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * function.h: Likewise. * fwprop.c: Likewise. * gcc.c: Likewise. * gcov-dump.c: Likewise. * gcov-io.c: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genattr.c: Likewise. * genattrtab.c: Likewise. * genautomata.c: Likewise. * genchecksum.c: Likewise. * genconfig.c: Likewise. * genflags.c: Likewise. * gengtype-parse.c: Likewise. * gengtype.c: Likewise. * gengtype.h: Likewise. * genmddeps.c: Likewise. * genmodes.c: Likewise. * genopinit.c: Likewise. * genpreds.c: Likewise. * gensupport.c: Likewise. * ggc-common.c: Likewise. * ggc-page.c: Likewise. * ggc-zone.c: Likewise. * ggc.h: Likewise. * gimple-iterator.c: Likewise. * gimple-low.c: Likewise. * gimple-pretty-print.c: Likewise. * gimple.c: Likewise. * gimple.def: Likewise. * gimple.h: Likewise. * gimplify.c: Likewise. * graphds.c: Likewise. * graphite-clast-to-gimple.c: Likewise. * gthr-nks.h: Likewise. * gthr-posix.c: Likewise. * gthr-posix.h: Likewise. * gthr-posix95.h: Likewise. * gthr-single.h: Likewise. * gthr-tpf.h: Likewise. * gthr-vxworks.h: Likewise. * gthr.h: Likewise. * haifa-sched.c: Likewise. * hard-reg-set.h: Likewise. * hooks.c: Likewise. * hooks.h: Likewise. * hosthooks.h: Likewise. * hwint.h: Likewise. * ifcvt.c: Likewise. * incpath.c: Likewise. * init-regs.c: Likewise. * integrate.c: Likewise. * ipa-cp.c: Likewise. * ipa-inline.c: Likewise. * ipa-prop.c: Likewise. * ipa-pure-const.c: Likewise. * ipa-reference.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa-struct-reorg.h: Likewise. * ipa-type-escape.c: Likewise. * ipa-type-escape.h: Likewise. * ipa-utils.c: Likewise. * ipa-utils.h: Likewise. * ipa.c: Likewise. * ira-build.c: Likewise. * ira-color.c: Likewise. * ira-conflicts.c: Likewise. * ira-costs.c: Likewise. * ira-emit.c: Likewise. * ira-int.h: Likewise. * ira-lives.c: Likewise. * ira.c: Likewise. * jump.c: Likewise. * lambda-code.c: Likewise. * lambda-mat.c: Likewise. * lambda-trans.c: Likewise. * lambda.h: Likewise. * langhooks.c: Likewise. * lcm.c: Likewise. * libgcov.c: Likewise. * lists.c: Likewise. * loop-doloop.c: Likewise. * loop-init.c: Likewise. * loop-invariant.c: Likewise. * loop-iv.c: Likewise. * loop-unroll.c: Likewise. * lower-subreg.c: Likewise. * lto-cgraph.c: Likewise. * lto-compress.c: Likewise. * lto-opts.c: Likewise. * lto-section-in.c: Likewise. * lto-section-out.c: Likewise. * lto-streamer-in.c: Likewise. * lto-streamer-out.c: Likewise. * lto-streamer.c: Likewise. * lto-streamer.h: Likewise. * lto-symtab.c: Likewise. * lto-wpa-fixup.c: Likewise. * matrix-reorg.c: Likewise. * mcf.c: Likewise. * mode-switching.c: Likewise. * modulo-sched.c: Likewise. * omega.c: Likewise. * omega.h: Likewise. * omp-low.c: Likewise. * optabs.c: Likewise. * optabs.h: Likewise. * opts-common.c: Likewise. * opts.c: Likewise. * params.def: Likewise. * params.h: Likewise. * passes.c: Likewise. * plugin.c: Likewise. * postreload-gcse.c: Likewise. * postreload.c: Likewise. * predict.c: Likewise. * predict.def: Likewise. * pretty-print.c: Likewise. * pretty-print.h: Likewise. * print-rtl.c: Likewise. * print-tree.c: Likewise. * profile.c: Likewise. * read-rtl.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * reg-stack.c: Likewise. * regcprop.c: Likewise. * reginfo.c: Likewise. * regmove.c: Likewise. * regrename.c: Likewise. * regs.h: Likewise. * regstat.c: Likewise. * reload.c: Likewise. * reload1.c: Likewise. * resource.c: Likewise. * rtl.c: Likewise. * rtl.def: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. * sbitmap.c: Likewise. * sched-deps.c: Likewise. * sched-ebb.c: Likewise. * sched-int.h: Likewise. * sched-rgn.c: Likewise. * sched-vis.c: Likewise. * sdbout.c: Likewise. * sel-sched-dump.c: Likewise. * sel-sched-dump.h: Likewise. * sel-sched-ir.c: Likewise. * sel-sched-ir.h: Likewise. * sel-sched.c: Likewise. * sel-sched.h: Likewise. * sese.c: Likewise. * sese.h: Likewise. * simplify-rtx.c: Likewise. * stack-ptr-mod.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * store-motion.c: Likewise. * stringpool.c: Likewise. * stub-objc.c: Likewise. * sync-builtins.def: Likewise. * target-def.h: Likewise. * target.h: Likewise. * targhooks.c: Likewise. * targhooks.h: Likewise. * timevar.c: Likewise. * tlink.c: Likewise. * toplev.c: Likewise. * toplev.h: Likewise. * tracer.c: Likewise. * tree-affine.c: Likewise. * tree-affine.h: Likewise. * tree-browser.def: Likewise. * tree-call-cdce.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-chrec.c: Likewise. * tree-chrec.h: Likewise. * tree-complex.c: Likewise. * tree-data-ref.c: Likewise. * tree-data-ref.h: Likewise. * tree-dfa.c: Likewise. * tree-dump.c: Likewise. * tree-dump.h: Likewise. * tree-eh.c: Likewise. * tree-flow-inline.h: Likewise. * tree-flow.h: Likewise. * tree-if-conv.c: Likewise. * tree-inline.c: Likewise. * tree-into-ssa.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-loop-linear.c: Likewise. * tree-mudflap.c: Likewise. * tree-nested.c: Likewise. * tree-nomudflap.c: Likewise. * tree-nrv.c: Likewise. * tree-object-size.c: Likewise. * tree-optimize.c: Likewise. * tree-outof-ssa.c: Likewise. * tree-parloops.c: Likewise. * tree-pass.h: Likewise. * tree-phinodes.c: Likewise. * tree-predcom.c: Likewise. * tree-pretty-print.c: Likewise. * tree-profile.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-ssa-address.c: Likewise. * tree-ssa-alias.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree-ssa-copy.c: Likewise. * tree-ssa-copyrename.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-dse.c: Likewise. * tree-ssa-forwprop.c: Likewise. * tree-ssa-ifcombine.c: Likewise. * tree-ssa-live.c: Likewise. * tree-ssa-live.h: Likewise. * tree-ssa-loop-ch.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-loop-unswitch.c: Likewise. * tree-ssa-loop.c: Likewise. * tree-ssa-math-opts.c: Likewise. * tree-ssa-operands.c: Likewise. * tree-ssa-operands.h: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-propagate.c: Likewise. * tree-ssa-reassoc.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-sink.c: Likewise. * tree-ssa-structalias.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-ssa-threadedge.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-uncprop.c: Likewise. * tree-ssa.c: Likewise. * tree-ssanames.c: Likewise. * tree-switch-conversion.c: Likewise. * tree-tailcall.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-generic.c: Likewise. * tree-vect-loop-manip.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * tree-vectorizer.c: Likewise. * tree-vectorizer.h: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. * tree.def: Likewise. * tree.h: Likewise. * treestruct.def: Likewise. * unwind-compat.c: Likewise. * unwind-dw2-fde-glibc.c: Likewise. * unwind-dw2.c: Likewise. * value-prof.c: Likewise. * value-prof.h: Likewise. * var-tracking.c: Likewise. * varasm.c: Likewise. * varpool.c: Likewise. * vec.c: Likewise. * vec.h: Likewise. * vmsdbgout.c: Likewise. * web.c: Likewise. * xcoffout.c: Likewise. From-SVN: r154645
2009-11-25 11:55:54 +01:00
prev_cache_entry = cache_entry;
}
}
else
{
adds = einfo->dlpi_adds;
subs = einfo->dlpi_subs;
/* Initialize the cache. Create a chain of cache entries,
with the final one terminated by a NULL link. */
int i;
for (i = 0; i < FRAME_HDR_CACHE_SIZE; i++)
{
frame_hdr_cache[i].pc_low = 0;
frame_hdr_cache[i].pc_high = 0;
frame_hdr_cache[i].link = &frame_hdr_cache[i+1];
}
frame_hdr_cache[i-1].link = NULL;
frame_hdr_cache_head = &frame_hdr_cache[0];
data->check_cache = 0;
}
}
/* Make sure struct dl_phdr_info is at least as big as we need. */
if (size < offsetof (struct dl_phdr_info, dlpi_phnum)
+ sizeof (info->dlpi_phnum))
return -1;
Remove trailing white spaces. 2009-11-25 H.J. Lu <hongjiu.lu@intel.com> * alias.c: Remove trailing white spaces. * alloc-pool.c: Likewise. * alloc-pool.h: Likewise. * attribs.c: Likewise. * auto-inc-dec.c: Likewise. * basic-block.h: Likewise. * bb-reorder.c: Likewise. * bt-load.c: Likewise. * builtins.c: Likewise. * builtins.def: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-decl.c: Likewise. * c-format.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-parser.c: Likewise. * c-pretty-print.c: Likewise. * c-tree.h: Likewise. * c-typeck.c: Likewise. * caller-save.c: Likewise. * calls.c: Likewise. * cfg.c: Likewise. * cfganal.c: Likewise. * cfgexpand.c: Likewise. * cfghooks.c: Likewise. * cfghooks.h: Likewise. * cfglayout.c: Likewise. * cfgloop.c: Likewise. * cfgloop.h: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * cgraph.c: Likewise. * cgraph.h: Likewise. * cgraphbuild.c: Likewise. * cgraphunit.c: Likewise. * cif-code.def: Likewise. * collect2.c: Likewise. * combine.c: Likewise. * convert.c: Likewise. * coverage.c: Likewise. * crtstuff.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * dbgcnt.c: Likewise. * dbgcnt.def: Likewise. * dbgcnt.h: Likewise. * dbxout.c: Likewise. * dce.c: Likewise. * ddg.c: Likewise. * ddg.h: Likewise. * defaults.h: Likewise. * df-byte-scan.c: Likewise. * df-core.c: Likewise. * df-problems.c: Likewise. * df-scan.c: Likewise. * df.h: Likewise. * dfp.c: Likewise. * diagnostic.c: Likewise. * diagnostic.h: Likewise. * dominance.c: Likewise. * domwalk.c: Likewise. * double-int.c: Likewise. * double-int.h: Likewise. * dse.c: Likewise. * dwarf2asm.c: Likewise. * dwarf2asm.h: Likewise. * dwarf2out.c: Likewise. * ebitmap.c: Likewise. * ebitmap.h: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * except.c: Likewise. * except.h: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * expr.h: Likewise. * final.c: Likewise. * flags.h: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * function.h: Likewise. * fwprop.c: Likewise. * gcc.c: Likewise. * gcov-dump.c: Likewise. * gcov-io.c: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genattr.c: Likewise. * genattrtab.c: Likewise. * genautomata.c: Likewise. * genchecksum.c: Likewise. * genconfig.c: Likewise. * genflags.c: Likewise. * gengtype-parse.c: Likewise. * gengtype.c: Likewise. * gengtype.h: Likewise. * genmddeps.c: Likewise. * genmodes.c: Likewise. * genopinit.c: Likewise. * genpreds.c: Likewise. * gensupport.c: Likewise. * ggc-common.c: Likewise. * ggc-page.c: Likewise. * ggc-zone.c: Likewise. * ggc.h: Likewise. * gimple-iterator.c: Likewise. * gimple-low.c: Likewise. * gimple-pretty-print.c: Likewise. * gimple.c: Likewise. * gimple.def: Likewise. * gimple.h: Likewise. * gimplify.c: Likewise. * graphds.c: Likewise. * graphite-clast-to-gimple.c: Likewise. * gthr-nks.h: Likewise. * gthr-posix.c: Likewise. * gthr-posix.h: Likewise. * gthr-posix95.h: Likewise. * gthr-single.h: Likewise. * gthr-tpf.h: Likewise. * gthr-vxworks.h: Likewise. * gthr.h: Likewise. * haifa-sched.c: Likewise. * hard-reg-set.h: Likewise. * hooks.c: Likewise. * hooks.h: Likewise. * hosthooks.h: Likewise. * hwint.h: Likewise. * ifcvt.c: Likewise. * incpath.c: Likewise. * init-regs.c: Likewise. * integrate.c: Likewise. * ipa-cp.c: Likewise. * ipa-inline.c: Likewise. * ipa-prop.c: Likewise. * ipa-pure-const.c: Likewise. * ipa-reference.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa-struct-reorg.h: Likewise. * ipa-type-escape.c: Likewise. * ipa-type-escape.h: Likewise. * ipa-utils.c: Likewise. * ipa-utils.h: Likewise. * ipa.c: Likewise. * ira-build.c: Likewise. * ira-color.c: Likewise. * ira-conflicts.c: Likewise. * ira-costs.c: Likewise. * ira-emit.c: Likewise. * ira-int.h: Likewise. * ira-lives.c: Likewise. * ira.c: Likewise. * jump.c: Likewise. * lambda-code.c: Likewise. * lambda-mat.c: Likewise. * lambda-trans.c: Likewise. * lambda.h: Likewise. * langhooks.c: Likewise. * lcm.c: Likewise. * libgcov.c: Likewise. * lists.c: Likewise. * loop-doloop.c: Likewise. * loop-init.c: Likewise. * loop-invariant.c: Likewise. * loop-iv.c: Likewise. * loop-unroll.c: Likewise. * lower-subreg.c: Likewise. * lto-cgraph.c: Likewise. * lto-compress.c: Likewise. * lto-opts.c: Likewise. * lto-section-in.c: Likewise. * lto-section-out.c: Likewise. * lto-streamer-in.c: Likewise. * lto-streamer-out.c: Likewise. * lto-streamer.c: Likewise. * lto-streamer.h: Likewise. * lto-symtab.c: Likewise. * lto-wpa-fixup.c: Likewise. * matrix-reorg.c: Likewise. * mcf.c: Likewise. * mode-switching.c: Likewise. * modulo-sched.c: Likewise. * omega.c: Likewise. * omega.h: Likewise. * omp-low.c: Likewise. * optabs.c: Likewise. * optabs.h: Likewise. * opts-common.c: Likewise. * opts.c: Likewise. * params.def: Likewise. * params.h: Likewise. * passes.c: Likewise. * plugin.c: Likewise. * postreload-gcse.c: Likewise. * postreload.c: Likewise. * predict.c: Likewise. * predict.def: Likewise. * pretty-print.c: Likewise. * pretty-print.h: Likewise. * print-rtl.c: Likewise. * print-tree.c: Likewise. * profile.c: Likewise. * read-rtl.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * reg-stack.c: Likewise. * regcprop.c: Likewise. * reginfo.c: Likewise. * regmove.c: Likewise. * regrename.c: Likewise. * regs.h: Likewise. * regstat.c: Likewise. * reload.c: Likewise. * reload1.c: Likewise. * resource.c: Likewise. * rtl.c: Likewise. * rtl.def: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. * sbitmap.c: Likewise. * sched-deps.c: Likewise. * sched-ebb.c: Likewise. * sched-int.h: Likewise. * sched-rgn.c: Likewise. * sched-vis.c: Likewise. * sdbout.c: Likewise. * sel-sched-dump.c: Likewise. * sel-sched-dump.h: Likewise. * sel-sched-ir.c: Likewise. * sel-sched-ir.h: Likewise. * sel-sched.c: Likewise. * sel-sched.h: Likewise. * sese.c: Likewise. * sese.h: Likewise. * simplify-rtx.c: Likewise. * stack-ptr-mod.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * store-motion.c: Likewise. * stringpool.c: Likewise. * stub-objc.c: Likewise. * sync-builtins.def: Likewise. * target-def.h: Likewise. * target.h: Likewise. * targhooks.c: Likewise. * targhooks.h: Likewise. * timevar.c: Likewise. * tlink.c: Likewise. * toplev.c: Likewise. * toplev.h: Likewise. * tracer.c: Likewise. * tree-affine.c: Likewise. * tree-affine.h: Likewise. * tree-browser.def: Likewise. * tree-call-cdce.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-chrec.c: Likewise. * tree-chrec.h: Likewise. * tree-complex.c: Likewise. * tree-data-ref.c: Likewise. * tree-data-ref.h: Likewise. * tree-dfa.c: Likewise. * tree-dump.c: Likewise. * tree-dump.h: Likewise. * tree-eh.c: Likewise. * tree-flow-inline.h: Likewise. * tree-flow.h: Likewise. * tree-if-conv.c: Likewise. * tree-inline.c: Likewise. * tree-into-ssa.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-loop-linear.c: Likewise. * tree-mudflap.c: Likewise. * tree-nested.c: Likewise. * tree-nomudflap.c: Likewise. * tree-nrv.c: Likewise. * tree-object-size.c: Likewise. * tree-optimize.c: Likewise. * tree-outof-ssa.c: Likewise. * tree-parloops.c: Likewise. * tree-pass.h: Likewise. * tree-phinodes.c: Likewise. * tree-predcom.c: Likewise. * tree-pretty-print.c: Likewise. * tree-profile.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-ssa-address.c: Likewise. * tree-ssa-alias.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree-ssa-copy.c: Likewise. * tree-ssa-copyrename.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-dse.c: Likewise. * tree-ssa-forwprop.c: Likewise. * tree-ssa-ifcombine.c: Likewise. * tree-ssa-live.c: Likewise. * tree-ssa-live.h: Likewise. * tree-ssa-loop-ch.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-loop-unswitch.c: Likewise. * tree-ssa-loop.c: Likewise. * tree-ssa-math-opts.c: Likewise. * tree-ssa-operands.c: Likewise. * tree-ssa-operands.h: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-propagate.c: Likewise. * tree-ssa-reassoc.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-sink.c: Likewise. * tree-ssa-structalias.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-ssa-threadedge.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-uncprop.c: Likewise. * tree-ssa.c: Likewise. * tree-ssanames.c: Likewise. * tree-switch-conversion.c: Likewise. * tree-tailcall.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-generic.c: Likewise. * tree-vect-loop-manip.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * tree-vectorizer.c: Likewise. * tree-vectorizer.h: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. * tree.def: Likewise. * tree.h: Likewise. * treestruct.def: Likewise. * unwind-compat.c: Likewise. * unwind-dw2-fde-glibc.c: Likewise. * unwind-dw2.c: Likewise. * value-prof.c: Likewise. * value-prof.h: Likewise. * var-tracking.c: Likewise. * varasm.c: Likewise. * varpool.c: Likewise. * vec.c: Likewise. * vec.h: Likewise. * vmsdbgout.c: Likewise. * web.c: Likewise. * xcoffout.c: Likewise. From-SVN: r154645
2009-11-25 11:55:54 +01:00
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
/* See if PC falls into one of the loaded segments. Find the eh_frame
segment at the same time. */
for (n = info->dlpi_phnum; --n >= 0; phdr++)
{
if (phdr->p_type == PT_LOAD)
{
Implement FR-V FDPIC ABI support for frv-uclinux and frv-linux. 2004-02-05 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_emit_movsi): Use GOT relocations for symbols in sections named by the user. 2004-01-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New. 2004-01-27 Alexandre Oliva <aoliva@redhat.com> * config.gcc (frv-*-*linux*): Handle like *-*-linux*. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by the above. 2004-01-20 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add one more pseudo to further improve code generation. 2004-01-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (movdi_ldd): Introduce explicit indirection inside UNSPEC. 2004-01-16 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_legitimate_address_p): Added allow_double_reg_p argument. Adjust all callers. Use it to decide whether to enable double-register indirect addressing. (frv_funcdesc_alias_set): Remove. (frv_expand_fdpic_call): Force non-SYMBOL_REF operand into register. Emit movdi_ldd. (ldd_address_operand): New. * config/frv/frv-protos.h (frv_legitimate_address_p): Adjust. * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise. (PREDICATE_CODES): Add ldd_address_operand. * config/frv/frv.md (movdi_ldd): New. (symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for intermediate computations if possible. (symGOTOFF2reg_i): Fix harmless typo. 2003-12-18 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast relocated p_vaddr to vaddr type. * config/frv/frv-protos.h (frv_expand_fdpic_call): Return void. * config/frv/frv.c (frv_get_funcdesc_alias_set): New. (frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc MEM, or use a funcdesc alias set. Use regular move instead of ldd. (dbl_memory_one_insn_operand): Recognize function descriptors by type or by alias set, and don't split them. * config/frv/frv.md (call, call_value): Never use call_internal for fdpic. (call_internal, call_value_internal): Never match for FDPIC. (call_fdpicdi, call_fdpicsi, call_value_fdpicdi, call_value_fdpicsi): Require FDPIC. (ldd): Removed. 2003-12-17 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__. * unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more. (_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV FDPIC. Compute data base address. * config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic before the other self-specs are processed. * config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Build with -fPIC. 2003-12-15 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if inhibit_libc is defined. 2003-12-12 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for __FRV_FDPIC__. (__RELOC_POINTER): Define. (_Unwind_IteratePhdrCallback): Use it. * config/frv/frv.h (Twrite): Define. (TRANSFER_FROM_TRAMPOLINE): Use it. * config/frv/linux.h (INVOKE__main): Undefine. (Twrite): Override. 2003-12-05 Richard Sandiford <rsandifo@redhat.com> * doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options. (-mlibrary-pic): Emphasize that this option generates EABI code. (-mcpu): Add fr550. (-mpack): Remove. 2003-11-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs and CONSTs in FDPIC mode. * gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.c (move_source_operand): Don't accept symbolic constants. * config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n' rather than 'i' constraint for the 2-instruction alternative. (*movsi_2word): New, incorporating existing int_2word_operand splitter. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from EXTRA_CONSTRAINT_FOR_Y. (EXTRA_CONSTRAINT): Remove handling of 'Y'. * config/frv/frv.md (*movsi_internal): Remove 'Q' constraint. (addsi3): Change 'Y' constraint to 'Q'. 2003-11-27 Richard Sandiford <rsandifo@redhat.com> * reload.c (CONST_POOL_OK_P): New macro. (find_reloads): Use it to decide whether a constant can be forced into memory. * config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the constant satisfies got12_operand. (frv_cannot_force_const_mem): Always return true for TARGET_FDPIC. (frv_legitimate_address_p): Check for valid unspec offsets using got12_operand rather than frv_legitimate_fdpic_operand_p. (frv_legitimate_fdpic_operand_p): Delete. (frv_emit_movsi): Abort if we try to use the FDPIC register during or after reload. (frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if TARGET_FDPIC. * config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE. 2003-11-19 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand) (frv_fdpic_fptr_operand): Don't declare here. * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand rather than fdpic_got12_operand. (PREDICATE_CODES): Remove symbolic_operand entry. Add entries for got12_operand and const_unspec_operand. * config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand. (gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls. (symbolic_operand): Remove. (const_unspec_operand): New predicate. * config/frv/frv.md (*movsi_got): Use got12_operand. (*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand. 2003-11-18 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_output_addr_const_extra): Remove. * config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition. * config/frv/frv.c (frv_unspec): New structure. (frv_small_data_reloc_p, frv_const_unspec_p): New functions. (frv_print_operand_memory_reference): Use frv_const_unspec_p to validate CONST indices. Use frv_output_const_unspec to print them. (frv_print_operand): Update call to unspec_got_name. Use frv_output_const_unspec to print constant unspecs. (frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p. Reject UNSPECs otherwise. (unspec_got_name): Take the relocation number as argument, not an rtx containing it. (frv_output_addr_const_extra): Remove, replacing with... (frv_output_const_unspec): ...this new function. (frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p. (gpr_or_int12_operand): Use fdpic_got12_operand. (dbl_memory_one_insn_operand): Likewise. (fdpic_got12_operand): Use frv_const_unspec_p. (frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that are already legitimate. Use frv_small_data_reloc_p when deciding whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12. 2003-11-18 Alexandre Oliva <aoliva@redhat.com> * config/frv/t-linux (SHLIB_MAPFILES): Override so as to export... * config/frv/libgcc-frv.ver: ... frv-specific symbols. New file. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label, for real this time. * config/frv/frv.c (frv_local_funcdesc_p): Update to new representation of visibility. (fdpic_got12_operand, symbolic_operand): Mark unused arguments as such. 2003-11-17 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros. (TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp. * config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless it was explicitly disabled. (frv_stack_info): There is no need to save the link register in every frame unless TARGET_LINKED_FP is true. (frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a frame pointer if the stack pointer might change value. (frv_return_addr_rtx): Check and process "count" argument. 2003-11-14 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_legitimize_address): Remove. (frv_find_base_term): Declare. * config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing. (FIND_BASE_TERM): Define. (PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand, small_data_register_operand, small_data_symbolic_operand. Add symbolic_operand. * config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete. (frv_print_operand_memory_reference, output_move_single): Remove special handling for unlegitimized sdata addresses. (frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG and symbolic addresses. (frv_legitimize_address, frv_legitimize_fdpic_address): Delete. (frv_find_base_term): New function. (int_2word_operand): Check specifically for symbolic address constants. (pic_register_operand, pic_symbolic_operand): Delete. (small_data_register_operand, small_data_symbolic_operand): Delete. (dbl_memory_one_insn_operand): Don't call plus_small_data_p. Allow UNSPEC_GOT constants if !TARGET_FDPIC. (move_source_operand): Only accept CONSTs if they're a two-insn symbolic constant. (fdpic_got12_operand): Don't require TARGET_FDPIC. (frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses using gen_symGOTOFF2reg*. (frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases. (frv_rtx_costs): Give all MEM addresses a cost of 0. Give MEMs themselves a cost of 3 insns. * config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too. Change predicate to symbolic_operand. (*movsi_high_got, *movsi_lo_sum_got): Likewise. (*movsi_lda_sdata): Delete. (*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete. 2003-11-05 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for frv-*-*linux*. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label. * config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before -multilib-library-pic. (LINK_SPEC): Add -z text for -mfdpic. * config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC. * config/frv/frvend.c (__ROFIXUP_END__): Likewise. * config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Override. (OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use crtstuff-generated files. 2003-10-31 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add frv-*-*linux*. * config/frv/linux.h, config/frv/t-linux: New. 2003-10-06 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker when -mfdpic even if a linker script is explicitly listed. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_override_options): Clear asm_out unaligned_op for SImode on FDPIC. (frv_emit_movsi): Use compute_reloc_for_constant to compute the argument passed to decl_readonly_section. (frv_assemble_integer): Revert 2003-09-30's change, but make the whole block run with FDPIC even with -fno-PIC. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_cannot_force_const_mem): Don't force symbol or label plus offset to memory. (frv_emit_movsi): Emit GPREL only if -mgprel-ro. Emit 32-bit GOTOFF and GPREL for LABEL_REF. * config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with -mfdpic unless -mno-gprel-ro, -fpic or -fpie. (MASK_GPREL_RO, TARGET_GPREL_RO): New. (TARGET_SWITCHES): Added gprel-ro and no-gprel-ro. * doc/invoke.texi: Document them. 2003-09-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare. (frv_splittable_got_operand): Removed. * config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and LO_SUM. Add comments. (frv_override_options): Moved enabling of FDPIC to DRIVER_SELF_SPECS. Don't enable MASK_DWORD. (frv_local_funcdesc_p): Remove unnecessary heck for flag_pie. (frv_legitimize_fdpic_address): Don't duplicate logic in frv_emit_movsi. (frv_gen_GPsym2reg): New. (unspec_got_name): Added gprel. (frv_expand_fdpic_call): Add support for inlining PLTs. (fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand. (gpr_or_int12_operand): Added GPREL12. (pic_symbolic_operand): Match even if !flag_pic for FDPIC. (small_data_symbolic_operand): Fail if FDPIC. (fdpic_splittable_got_operand): Removed. (fdpic_got12_operand): Added GPREL12. (frv_emit_movsi): Reorganize to avoid duplication. Emit GPREL when appropriate. Fix sdata GOTOFF. (frv_legitimate_constant_p): Require legitimate PIC operand for FDPIC with pic, but only a legitimate fdpic operand for non-pic. (frv_assemble_integer): Move FDPIC funcdesc handling out of flag_pic case. (frv_asm_out_constructor, frv_asm_out_destructor): Abort if frv_assemble_integer fails. * config/frv/frv.h (DRIVER_SELF_SPECS): New. (SUBTARGET_DRIVER_SELF_SPECS): New. (ASM_SPEC): Don't pass -mno-fdpic. (LINK_SPEC): Pass -melf32frvfd for FDPIC. (MASK_INLINE_PLT, TARGET_INLINE_PLT): New. (TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and -multilib-library-pic. (PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand, condexec_si_media_operator, condexec_sf_add_operator and condexec_sf_conv_operator. Removed condexec_sf_binary_operator and condexec_sf_unary_operator. * config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO): New. (movsi_got, movsi_high_got, movsi_lo_sum_got): Move before movsi_internal. Give them internal names. movsi_got has type int. (fdpic got splitters): Remove. (symGPREL2reg, symGPREL2reg_hilo): New. * config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC to -mlibrary-pic. Map -multilib-library-pic to it. * doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic: Document. 2003-09-28 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_function_symbol_referenced_p): Declare. (TARGET_CANNOT_FORCE_CONST_MEM): Define to... (frv_cannot_force_const_mem): New function. (const_small_data_p, plus_small_data_p): Update comments on sdata on FDPIC. (frv_override_options): Set flag_pie for FDPIC too. (frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed, call-saved registers on FDPIC. (frv_stack_info): Don't preserve the PIC register on FDPIC, and don't force LR to be preserved. (frv_expand_prologue): Likewise. (frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic. (frv_frame_pointer_required): Don't force it just because the FDPIC register is used. (frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC operand only if !condexec_p. (frv_legitimize_address): Return the FDPIC-legitimized address. Don't match small data here on FDPIC. (frv_legitimate_fdpic_operand_p): Don't accept unadorned function symbols. Use TRUE/FALSE instead of 1/0. (frv_local_funcdesc_p): New. (frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit immediates when possible. (pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC. (dbl_memory_one_insn_operand): Accept addresses that add a REG and an UNSPEC_GOT. (frv_emit_movsi): Handle FDPIC before small data. Use GOTOFF and 12-bit immediates when possible. (frv_legitimate_constant_p): In FDPIC, reject SImode operands that are not legitimate pic operands. (frv_in_small_data_p): Re-enable for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC. (FRV_GLOBAL_P): Removed. * config/frv/frv.md: Add modes to CONSTs. (movsi_got): New. (movsi_lo_sum_got): Use separate matches instead of match_dup. (movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only. (fdpic splittable operations): Match on flag_pic != 1. 2003-09-22 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_asm_out_constructor, frv_asm_out_destructor): Pass to frv_assemble_integer the size in bytes, not bits. 2003-09-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_assemble_integer): Reject complex expressions referencing function SYMBOL_REFs. * config/frv/frv.c (frv_function_symbol_referenced_p): New. (move_source_operand): Reject CONSTs that reference function SYMBOL_REFs on FDPIC. (frv_emit_movsi): If we get such a CONST, break it up. * config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic. (TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC. * config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without MEM. (frv_assemble_integer): Don't use funcdesc for LABEL_REFs. (frv_trampoline_size): Increase for FDPIC. * config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC. (TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines. * config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi): Disable use of GOTOFF for now. (const_small_data_p, plus_small_data_p, frv_in_small_data_p): Disable use of small data in FDPIC for now. (frv_asm_output_mi_thunk): Implement for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC. * config/frv/frv.c (frv_asm_out_constructor): Use frv_assemble_integer for FDPIC pointers. (frv_asm_out_destructor): Likewise. * config/frv/frv.md (ldd): Fix order of operands. Use address_operand for input. 2003-09-18 DJ Delorie <dj@redhat.com> * config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC. (unspec_got_name): Correct typo. (frv_emit_movsi): Pre-expand splittable GOTs. (frv_expand_fdpic_call): Rename gen_lddi to gen_ldd. * config/frv/frv.md (lddi): Fix syntax error, rename to ldd. (symGOT2reg_hilo, symGOTOFF2reg_hilo): New. * config/frv/t-frv: Add -mfdpic multilibs. * config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic. (TARGET_SWITCHES): Add -mno-fdpic, fix documentation. * config/frv/frv.c (frv_override_options): -mfdpic assumes flag_pic, default to 32-bit pics, require DWORD ops. (frv_override_options): Add W and Z constraints. (frv_expand_prologue): No pic prologue for -mfdpic. (frv_asm_output_mi_thunk): Support -mfdpic (soon). (frv_print_operand_memory_reference): Handle GOT constants. (frv_legitimate_address_p): Allow GOT constants. (frv_legitimize_address): Handle GOT addresses too. (frv_legitimate_fdpic_operand_p): New. (frv_legitimize_fdpic_address): New. (unspec_got_name): New. (frv_output_addr_const_extra): New. (frv_expand_fdpic_call): New. (frv_fdpic_fptr_operand): New. (gpr_or_int12_operand): Handle GOT operands. (int_2word_operand): Handle GOT operands. (fdpic_operand): New. (fdpic_splittable_got_operand): New. (fdpic_got12_operand): New. (frv_emit_movsi): Handle GOT operands. (frv_assemble_integer): -mfdpic doesn't use rofixups. (frv_print_operand): Support 'g' code for GOT operands. * config/frv/frv-protos.h: Add prototypes as needed. * config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO, R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI, R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New. (movsi_high_got, movsi_lo_sum_got): New. (*movsi_pic): Don't use this splitter for -mfdpic. (addsi3): Allow GOT references also. (call, call_value): Handle -mfdpic separately. (call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi, call_value_fdpicsi): New. (symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg, symGOTOFF2reg_i): New. * config/frv/frv.h (MASK_FDPIC): New. (TARGET_FDPIC): New. (TARGET_SWITCHES): Add -mfdpic. (FDPIC_FPTR_REGNO): New. (FDPIC_REGNO): New. (OUR_FDPIC_REG): New. (enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and FDPIC_CALL_REGS. (REG_CLASS_NAMES): Likewise. (REG_CLASS_CONTENTS): Likewise. (EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs. (EXTRA_CONSTRAINT): Add it here. (FRV_GLOBAL_P): New. (OUTPUT_ADDR_CONST_EXTRA): New. From-SVN: r78373
2004-02-24 17:58:39 +01:00
_Unwind_Ptr vaddr = (_Unwind_Ptr)
__RELOC_POINTER (phdr->p_vaddr, load_base);
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
if (data->pc >= vaddr && data->pc < vaddr + phdr->p_memsz)
{
match = 1;
pc_low = vaddr;
pc_high = vaddr + phdr->p_memsz;
}
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
}
else if (phdr->p_type == PT_GNU_EH_FRAME)
p_eh_frame_hdr = phdr;
#ifdef PT_SUNW_UNWIND
/* Sun ld emits PT_SUNW_UNWIND .eh_frame_hdr sections instead of
PT_SUNW_EH_FRAME/PT_GNU_EH_FRAME, so accept them as well. */
else if (phdr->p_type == PT_SUNW_UNWIND)
p_eh_frame_hdr = phdr;
#endif
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
else if (phdr->p_type == PT_DYNAMIC)
p_dynamic = phdr;
}
Remove trailing white spaces. 2009-11-25 H.J. Lu <hongjiu.lu@intel.com> * alias.c: Remove trailing white spaces. * alloc-pool.c: Likewise. * alloc-pool.h: Likewise. * attribs.c: Likewise. * auto-inc-dec.c: Likewise. * basic-block.h: Likewise. * bb-reorder.c: Likewise. * bt-load.c: Likewise. * builtins.c: Likewise. * builtins.def: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-decl.c: Likewise. * c-format.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-parser.c: Likewise. * c-pretty-print.c: Likewise. * c-tree.h: Likewise. * c-typeck.c: Likewise. * caller-save.c: Likewise. * calls.c: Likewise. * cfg.c: Likewise. * cfganal.c: Likewise. * cfgexpand.c: Likewise. * cfghooks.c: Likewise. * cfghooks.h: Likewise. * cfglayout.c: Likewise. * cfgloop.c: Likewise. * cfgloop.h: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * cgraph.c: Likewise. * cgraph.h: Likewise. * cgraphbuild.c: Likewise. * cgraphunit.c: Likewise. * cif-code.def: Likewise. * collect2.c: Likewise. * combine.c: Likewise. * convert.c: Likewise. * coverage.c: Likewise. * crtstuff.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * dbgcnt.c: Likewise. * dbgcnt.def: Likewise. * dbgcnt.h: Likewise. * dbxout.c: Likewise. * dce.c: Likewise. * ddg.c: Likewise. * ddg.h: Likewise. * defaults.h: Likewise. * df-byte-scan.c: Likewise. * df-core.c: Likewise. * df-problems.c: Likewise. * df-scan.c: Likewise. * df.h: Likewise. * dfp.c: Likewise. * diagnostic.c: Likewise. * diagnostic.h: Likewise. * dominance.c: Likewise. * domwalk.c: Likewise. * double-int.c: Likewise. * double-int.h: Likewise. * dse.c: Likewise. * dwarf2asm.c: Likewise. * dwarf2asm.h: Likewise. * dwarf2out.c: Likewise. * ebitmap.c: Likewise. * ebitmap.h: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * except.c: Likewise. * except.h: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * expr.h: Likewise. * final.c: Likewise. * flags.h: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * function.h: Likewise. * fwprop.c: Likewise. * gcc.c: Likewise. * gcov-dump.c: Likewise. * gcov-io.c: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genattr.c: Likewise. * genattrtab.c: Likewise. * genautomata.c: Likewise. * genchecksum.c: Likewise. * genconfig.c: Likewise. * genflags.c: Likewise. * gengtype-parse.c: Likewise. * gengtype.c: Likewise. * gengtype.h: Likewise. * genmddeps.c: Likewise. * genmodes.c: Likewise. * genopinit.c: Likewise. * genpreds.c: Likewise. * gensupport.c: Likewise. * ggc-common.c: Likewise. * ggc-page.c: Likewise. * ggc-zone.c: Likewise. * ggc.h: Likewise. * gimple-iterator.c: Likewise. * gimple-low.c: Likewise. * gimple-pretty-print.c: Likewise. * gimple.c: Likewise. * gimple.def: Likewise. * gimple.h: Likewise. * gimplify.c: Likewise. * graphds.c: Likewise. * graphite-clast-to-gimple.c: Likewise. * gthr-nks.h: Likewise. * gthr-posix.c: Likewise. * gthr-posix.h: Likewise. * gthr-posix95.h: Likewise. * gthr-single.h: Likewise. * gthr-tpf.h: Likewise. * gthr-vxworks.h: Likewise. * gthr.h: Likewise. * haifa-sched.c: Likewise. * hard-reg-set.h: Likewise. * hooks.c: Likewise. * hooks.h: Likewise. * hosthooks.h: Likewise. * hwint.h: Likewise. * ifcvt.c: Likewise. * incpath.c: Likewise. * init-regs.c: Likewise. * integrate.c: Likewise. * ipa-cp.c: Likewise. * ipa-inline.c: Likewise. * ipa-prop.c: Likewise. * ipa-pure-const.c: Likewise. * ipa-reference.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa-struct-reorg.h: Likewise. * ipa-type-escape.c: Likewise. * ipa-type-escape.h: Likewise. * ipa-utils.c: Likewise. * ipa-utils.h: Likewise. * ipa.c: Likewise. * ira-build.c: Likewise. * ira-color.c: Likewise. * ira-conflicts.c: Likewise. * ira-costs.c: Likewise. * ira-emit.c: Likewise. * ira-int.h: Likewise. * ira-lives.c: Likewise. * ira.c: Likewise. * jump.c: Likewise. * lambda-code.c: Likewise. * lambda-mat.c: Likewise. * lambda-trans.c: Likewise. * lambda.h: Likewise. * langhooks.c: Likewise. * lcm.c: Likewise. * libgcov.c: Likewise. * lists.c: Likewise. * loop-doloop.c: Likewise. * loop-init.c: Likewise. * loop-invariant.c: Likewise. * loop-iv.c: Likewise. * loop-unroll.c: Likewise. * lower-subreg.c: Likewise. * lto-cgraph.c: Likewise. * lto-compress.c: Likewise. * lto-opts.c: Likewise. * lto-section-in.c: Likewise. * lto-section-out.c: Likewise. * lto-streamer-in.c: Likewise. * lto-streamer-out.c: Likewise. * lto-streamer.c: Likewise. * lto-streamer.h: Likewise. * lto-symtab.c: Likewise. * lto-wpa-fixup.c: Likewise. * matrix-reorg.c: Likewise. * mcf.c: Likewise. * mode-switching.c: Likewise. * modulo-sched.c: Likewise. * omega.c: Likewise. * omega.h: Likewise. * omp-low.c: Likewise. * optabs.c: Likewise. * optabs.h: Likewise. * opts-common.c: Likewise. * opts.c: Likewise. * params.def: Likewise. * params.h: Likewise. * passes.c: Likewise. * plugin.c: Likewise. * postreload-gcse.c: Likewise. * postreload.c: Likewise. * predict.c: Likewise. * predict.def: Likewise. * pretty-print.c: Likewise. * pretty-print.h: Likewise. * print-rtl.c: Likewise. * print-tree.c: Likewise. * profile.c: Likewise. * read-rtl.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * reg-stack.c: Likewise. * regcprop.c: Likewise. * reginfo.c: Likewise. * regmove.c: Likewise. * regrename.c: Likewise. * regs.h: Likewise. * regstat.c: Likewise. * reload.c: Likewise. * reload1.c: Likewise. * resource.c: Likewise. * rtl.c: Likewise. * rtl.def: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. * sbitmap.c: Likewise. * sched-deps.c: Likewise. * sched-ebb.c: Likewise. * sched-int.h: Likewise. * sched-rgn.c: Likewise. * sched-vis.c: Likewise. * sdbout.c: Likewise. * sel-sched-dump.c: Likewise. * sel-sched-dump.h: Likewise. * sel-sched-ir.c: Likewise. * sel-sched-ir.h: Likewise. * sel-sched.c: Likewise. * sel-sched.h: Likewise. * sese.c: Likewise. * sese.h: Likewise. * simplify-rtx.c: Likewise. * stack-ptr-mod.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * store-motion.c: Likewise. * stringpool.c: Likewise. * stub-objc.c: Likewise. * sync-builtins.def: Likewise. * target-def.h: Likewise. * target.h: Likewise. * targhooks.c: Likewise. * targhooks.h: Likewise. * timevar.c: Likewise. * tlink.c: Likewise. * toplev.c: Likewise. * toplev.h: Likewise. * tracer.c: Likewise. * tree-affine.c: Likewise. * tree-affine.h: Likewise. * tree-browser.def: Likewise. * tree-call-cdce.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-chrec.c: Likewise. * tree-chrec.h: Likewise. * tree-complex.c: Likewise. * tree-data-ref.c: Likewise. * tree-data-ref.h: Likewise. * tree-dfa.c: Likewise. * tree-dump.c: Likewise. * tree-dump.h: Likewise. * tree-eh.c: Likewise. * tree-flow-inline.h: Likewise. * tree-flow.h: Likewise. * tree-if-conv.c: Likewise. * tree-inline.c: Likewise. * tree-into-ssa.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-loop-linear.c: Likewise. * tree-mudflap.c: Likewise. * tree-nested.c: Likewise. * tree-nomudflap.c: Likewise. * tree-nrv.c: Likewise. * tree-object-size.c: Likewise. * tree-optimize.c: Likewise. * tree-outof-ssa.c: Likewise. * tree-parloops.c: Likewise. * tree-pass.h: Likewise. * tree-phinodes.c: Likewise. * tree-predcom.c: Likewise. * tree-pretty-print.c: Likewise. * tree-profile.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-ssa-address.c: Likewise. * tree-ssa-alias.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree-ssa-copy.c: Likewise. * tree-ssa-copyrename.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-dse.c: Likewise. * tree-ssa-forwprop.c: Likewise. * tree-ssa-ifcombine.c: Likewise. * tree-ssa-live.c: Likewise. * tree-ssa-live.h: Likewise. * tree-ssa-loop-ch.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-loop-unswitch.c: Likewise. * tree-ssa-loop.c: Likewise. * tree-ssa-math-opts.c: Likewise. * tree-ssa-operands.c: Likewise. * tree-ssa-operands.h: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-propagate.c: Likewise. * tree-ssa-reassoc.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-sink.c: Likewise. * tree-ssa-structalias.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-ssa-threadedge.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-uncprop.c: Likewise. * tree-ssa.c: Likewise. * tree-ssanames.c: Likewise. * tree-switch-conversion.c: Likewise. * tree-tailcall.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-generic.c: Likewise. * tree-vect-loop-manip.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * tree-vectorizer.c: Likewise. * tree-vectorizer.h: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. * tree.def: Likewise. * tree.h: Likewise. * treestruct.def: Likewise. * unwind-compat.c: Likewise. * unwind-dw2-fde-glibc.c: Likewise. * unwind-dw2.c: Likewise. * value-prof.c: Likewise. * value-prof.h: Likewise. * var-tracking.c: Likewise. * varasm.c: Likewise. * varpool.c: Likewise. * vec.c: Likewise. * vec.h: Likewise. * vmsdbgout.c: Likewise. * web.c: Likewise. * xcoffout.c: Likewise. From-SVN: r154645
2009-11-25 11:55:54 +01:00
if (!match)
return 0;
if (size >= sizeof (struct ext_dl_phdr_info))
{
/* Move the cache entry we're about to overwrite to the head of
the list. If either last_cache_entry or prev_cache_entry are
NULL, that cache entry is already at the head. */
if (last_cache_entry != NULL && prev_cache_entry != NULL)
{
prev_cache_entry->link = last_cache_entry->link;
last_cache_entry->link = frame_hdr_cache_head;
frame_hdr_cache_head = last_cache_entry;
}
frame_hdr_cache_head->load_base = load_base;
frame_hdr_cache_head->p_eh_frame_hdr = p_eh_frame_hdr;
frame_hdr_cache_head->p_dynamic = p_dynamic;
frame_hdr_cache_head->pc_low = pc_low;
frame_hdr_cache_head->pc_high = pc_high;
}
found:
if (!p_eh_frame_hdr)
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
return 0;
/* Read .eh_frame_hdr header. */
hdr = (const struct unw_eh_frame_hdr *)
Implement FR-V FDPIC ABI support for frv-uclinux and frv-linux. 2004-02-05 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_emit_movsi): Use GOT relocations for symbols in sections named by the user. 2004-01-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New. 2004-01-27 Alexandre Oliva <aoliva@redhat.com> * config.gcc (frv-*-*linux*): Handle like *-*-linux*. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by the above. 2004-01-20 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add one more pseudo to further improve code generation. 2004-01-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (movdi_ldd): Introduce explicit indirection inside UNSPEC. 2004-01-16 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_legitimate_address_p): Added allow_double_reg_p argument. Adjust all callers. Use it to decide whether to enable double-register indirect addressing. (frv_funcdesc_alias_set): Remove. (frv_expand_fdpic_call): Force non-SYMBOL_REF operand into register. Emit movdi_ldd. (ldd_address_operand): New. * config/frv/frv-protos.h (frv_legitimate_address_p): Adjust. * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise. (PREDICATE_CODES): Add ldd_address_operand. * config/frv/frv.md (movdi_ldd): New. (symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for intermediate computations if possible. (symGOTOFF2reg_i): Fix harmless typo. 2003-12-18 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast relocated p_vaddr to vaddr type. * config/frv/frv-protos.h (frv_expand_fdpic_call): Return void. * config/frv/frv.c (frv_get_funcdesc_alias_set): New. (frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc MEM, or use a funcdesc alias set. Use regular move instead of ldd. (dbl_memory_one_insn_operand): Recognize function descriptors by type or by alias set, and don't split them. * config/frv/frv.md (call, call_value): Never use call_internal for fdpic. (call_internal, call_value_internal): Never match for FDPIC. (call_fdpicdi, call_fdpicsi, call_value_fdpicdi, call_value_fdpicsi): Require FDPIC. (ldd): Removed. 2003-12-17 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__. * unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more. (_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV FDPIC. Compute data base address. * config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic before the other self-specs are processed. * config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Build with -fPIC. 2003-12-15 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if inhibit_libc is defined. 2003-12-12 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for __FRV_FDPIC__. (__RELOC_POINTER): Define. (_Unwind_IteratePhdrCallback): Use it. * config/frv/frv.h (Twrite): Define. (TRANSFER_FROM_TRAMPOLINE): Use it. * config/frv/linux.h (INVOKE__main): Undefine. (Twrite): Override. 2003-12-05 Richard Sandiford <rsandifo@redhat.com> * doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options. (-mlibrary-pic): Emphasize that this option generates EABI code. (-mcpu): Add fr550. (-mpack): Remove. 2003-11-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs and CONSTs in FDPIC mode. * gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.c (move_source_operand): Don't accept symbolic constants. * config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n' rather than 'i' constraint for the 2-instruction alternative. (*movsi_2word): New, incorporating existing int_2word_operand splitter. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from EXTRA_CONSTRAINT_FOR_Y. (EXTRA_CONSTRAINT): Remove handling of 'Y'. * config/frv/frv.md (*movsi_internal): Remove 'Q' constraint. (addsi3): Change 'Y' constraint to 'Q'. 2003-11-27 Richard Sandiford <rsandifo@redhat.com> * reload.c (CONST_POOL_OK_P): New macro. (find_reloads): Use it to decide whether a constant can be forced into memory. * config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the constant satisfies got12_operand. (frv_cannot_force_const_mem): Always return true for TARGET_FDPIC. (frv_legitimate_address_p): Check for valid unspec offsets using got12_operand rather than frv_legitimate_fdpic_operand_p. (frv_legitimate_fdpic_operand_p): Delete. (frv_emit_movsi): Abort if we try to use the FDPIC register during or after reload. (frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if TARGET_FDPIC. * config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE. 2003-11-19 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand) (frv_fdpic_fptr_operand): Don't declare here. * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand rather than fdpic_got12_operand. (PREDICATE_CODES): Remove symbolic_operand entry. Add entries for got12_operand and const_unspec_operand. * config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand. (gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls. (symbolic_operand): Remove. (const_unspec_operand): New predicate. * config/frv/frv.md (*movsi_got): Use got12_operand. (*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand. 2003-11-18 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_output_addr_const_extra): Remove. * config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition. * config/frv/frv.c (frv_unspec): New structure. (frv_small_data_reloc_p, frv_const_unspec_p): New functions. (frv_print_operand_memory_reference): Use frv_const_unspec_p to validate CONST indices. Use frv_output_const_unspec to print them. (frv_print_operand): Update call to unspec_got_name. Use frv_output_const_unspec to print constant unspecs. (frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p. Reject UNSPECs otherwise. (unspec_got_name): Take the relocation number as argument, not an rtx containing it. (frv_output_addr_const_extra): Remove, replacing with... (frv_output_const_unspec): ...this new function. (frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p. (gpr_or_int12_operand): Use fdpic_got12_operand. (dbl_memory_one_insn_operand): Likewise. (fdpic_got12_operand): Use frv_const_unspec_p. (frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that are already legitimate. Use frv_small_data_reloc_p when deciding whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12. 2003-11-18 Alexandre Oliva <aoliva@redhat.com> * config/frv/t-linux (SHLIB_MAPFILES): Override so as to export... * config/frv/libgcc-frv.ver: ... frv-specific symbols. New file. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label, for real this time. * config/frv/frv.c (frv_local_funcdesc_p): Update to new representation of visibility. (fdpic_got12_operand, symbolic_operand): Mark unused arguments as such. 2003-11-17 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros. (TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp. * config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless it was explicitly disabled. (frv_stack_info): There is no need to save the link register in every frame unless TARGET_LINKED_FP is true. (frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a frame pointer if the stack pointer might change value. (frv_return_addr_rtx): Check and process "count" argument. 2003-11-14 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_legitimize_address): Remove. (frv_find_base_term): Declare. * config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing. (FIND_BASE_TERM): Define. (PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand, small_data_register_operand, small_data_symbolic_operand. Add symbolic_operand. * config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete. (frv_print_operand_memory_reference, output_move_single): Remove special handling for unlegitimized sdata addresses. (frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG and symbolic addresses. (frv_legitimize_address, frv_legitimize_fdpic_address): Delete. (frv_find_base_term): New function. (int_2word_operand): Check specifically for symbolic address constants. (pic_register_operand, pic_symbolic_operand): Delete. (small_data_register_operand, small_data_symbolic_operand): Delete. (dbl_memory_one_insn_operand): Don't call plus_small_data_p. Allow UNSPEC_GOT constants if !TARGET_FDPIC. (move_source_operand): Only accept CONSTs if they're a two-insn symbolic constant. (fdpic_got12_operand): Don't require TARGET_FDPIC. (frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses using gen_symGOTOFF2reg*. (frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases. (frv_rtx_costs): Give all MEM addresses a cost of 0. Give MEMs themselves a cost of 3 insns. * config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too. Change predicate to symbolic_operand. (*movsi_high_got, *movsi_lo_sum_got): Likewise. (*movsi_lda_sdata): Delete. (*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete. 2003-11-05 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for frv-*-*linux*. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label. * config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before -multilib-library-pic. (LINK_SPEC): Add -z text for -mfdpic. * config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC. * config/frv/frvend.c (__ROFIXUP_END__): Likewise. * config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Override. (OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use crtstuff-generated files. 2003-10-31 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add frv-*-*linux*. * config/frv/linux.h, config/frv/t-linux: New. 2003-10-06 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker when -mfdpic even if a linker script is explicitly listed. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_override_options): Clear asm_out unaligned_op for SImode on FDPIC. (frv_emit_movsi): Use compute_reloc_for_constant to compute the argument passed to decl_readonly_section. (frv_assemble_integer): Revert 2003-09-30's change, but make the whole block run with FDPIC even with -fno-PIC. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_cannot_force_const_mem): Don't force symbol or label plus offset to memory. (frv_emit_movsi): Emit GPREL only if -mgprel-ro. Emit 32-bit GOTOFF and GPREL for LABEL_REF. * config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with -mfdpic unless -mno-gprel-ro, -fpic or -fpie. (MASK_GPREL_RO, TARGET_GPREL_RO): New. (TARGET_SWITCHES): Added gprel-ro and no-gprel-ro. * doc/invoke.texi: Document them. 2003-09-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare. (frv_splittable_got_operand): Removed. * config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and LO_SUM. Add comments. (frv_override_options): Moved enabling of FDPIC to DRIVER_SELF_SPECS. Don't enable MASK_DWORD. (frv_local_funcdesc_p): Remove unnecessary heck for flag_pie. (frv_legitimize_fdpic_address): Don't duplicate logic in frv_emit_movsi. (frv_gen_GPsym2reg): New. (unspec_got_name): Added gprel. (frv_expand_fdpic_call): Add support for inlining PLTs. (fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand. (gpr_or_int12_operand): Added GPREL12. (pic_symbolic_operand): Match even if !flag_pic for FDPIC. (small_data_symbolic_operand): Fail if FDPIC. (fdpic_splittable_got_operand): Removed. (fdpic_got12_operand): Added GPREL12. (frv_emit_movsi): Reorganize to avoid duplication. Emit GPREL when appropriate. Fix sdata GOTOFF. (frv_legitimate_constant_p): Require legitimate PIC operand for FDPIC with pic, but only a legitimate fdpic operand for non-pic. (frv_assemble_integer): Move FDPIC funcdesc handling out of flag_pic case. (frv_asm_out_constructor, frv_asm_out_destructor): Abort if frv_assemble_integer fails. * config/frv/frv.h (DRIVER_SELF_SPECS): New. (SUBTARGET_DRIVER_SELF_SPECS): New. (ASM_SPEC): Don't pass -mno-fdpic. (LINK_SPEC): Pass -melf32frvfd for FDPIC. (MASK_INLINE_PLT, TARGET_INLINE_PLT): New. (TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and -multilib-library-pic. (PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand, condexec_si_media_operator, condexec_sf_add_operator and condexec_sf_conv_operator. Removed condexec_sf_binary_operator and condexec_sf_unary_operator. * config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO): New. (movsi_got, movsi_high_got, movsi_lo_sum_got): Move before movsi_internal. Give them internal names. movsi_got has type int. (fdpic got splitters): Remove. (symGPREL2reg, symGPREL2reg_hilo): New. * config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC to -mlibrary-pic. Map -multilib-library-pic to it. * doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic: Document. 2003-09-28 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_function_symbol_referenced_p): Declare. (TARGET_CANNOT_FORCE_CONST_MEM): Define to... (frv_cannot_force_const_mem): New function. (const_small_data_p, plus_small_data_p): Update comments on sdata on FDPIC. (frv_override_options): Set flag_pie for FDPIC too. (frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed, call-saved registers on FDPIC. (frv_stack_info): Don't preserve the PIC register on FDPIC, and don't force LR to be preserved. (frv_expand_prologue): Likewise. (frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic. (frv_frame_pointer_required): Don't force it just because the FDPIC register is used. (frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC operand only if !condexec_p. (frv_legitimize_address): Return the FDPIC-legitimized address. Don't match small data here on FDPIC. (frv_legitimate_fdpic_operand_p): Don't accept unadorned function symbols. Use TRUE/FALSE instead of 1/0. (frv_local_funcdesc_p): New. (frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit immediates when possible. (pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC. (dbl_memory_one_insn_operand): Accept addresses that add a REG and an UNSPEC_GOT. (frv_emit_movsi): Handle FDPIC before small data. Use GOTOFF and 12-bit immediates when possible. (frv_legitimate_constant_p): In FDPIC, reject SImode operands that are not legitimate pic operands. (frv_in_small_data_p): Re-enable for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC. (FRV_GLOBAL_P): Removed. * config/frv/frv.md: Add modes to CONSTs. (movsi_got): New. (movsi_lo_sum_got): Use separate matches instead of match_dup. (movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only. (fdpic splittable operations): Match on flag_pic != 1. 2003-09-22 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_asm_out_constructor, frv_asm_out_destructor): Pass to frv_assemble_integer the size in bytes, not bits. 2003-09-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_assemble_integer): Reject complex expressions referencing function SYMBOL_REFs. * config/frv/frv.c (frv_function_symbol_referenced_p): New. (move_source_operand): Reject CONSTs that reference function SYMBOL_REFs on FDPIC. (frv_emit_movsi): If we get such a CONST, break it up. * config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic. (TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC. * config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without MEM. (frv_assemble_integer): Don't use funcdesc for LABEL_REFs. (frv_trampoline_size): Increase for FDPIC. * config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC. (TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines. * config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi): Disable use of GOTOFF for now. (const_small_data_p, plus_small_data_p, frv_in_small_data_p): Disable use of small data in FDPIC for now. (frv_asm_output_mi_thunk): Implement for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC. * config/frv/frv.c (frv_asm_out_constructor): Use frv_assemble_integer for FDPIC pointers. (frv_asm_out_destructor): Likewise. * config/frv/frv.md (ldd): Fix order of operands. Use address_operand for input. 2003-09-18 DJ Delorie <dj@redhat.com> * config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC. (unspec_got_name): Correct typo. (frv_emit_movsi): Pre-expand splittable GOTs. (frv_expand_fdpic_call): Rename gen_lddi to gen_ldd. * config/frv/frv.md (lddi): Fix syntax error, rename to ldd. (symGOT2reg_hilo, symGOTOFF2reg_hilo): New. * config/frv/t-frv: Add -mfdpic multilibs. * config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic. (TARGET_SWITCHES): Add -mno-fdpic, fix documentation. * config/frv/frv.c (frv_override_options): -mfdpic assumes flag_pic, default to 32-bit pics, require DWORD ops. (frv_override_options): Add W and Z constraints. (frv_expand_prologue): No pic prologue for -mfdpic. (frv_asm_output_mi_thunk): Support -mfdpic (soon). (frv_print_operand_memory_reference): Handle GOT constants. (frv_legitimate_address_p): Allow GOT constants. (frv_legitimize_address): Handle GOT addresses too. (frv_legitimate_fdpic_operand_p): New. (frv_legitimize_fdpic_address): New. (unspec_got_name): New. (frv_output_addr_const_extra): New. (frv_expand_fdpic_call): New. (frv_fdpic_fptr_operand): New. (gpr_or_int12_operand): Handle GOT operands. (int_2word_operand): Handle GOT operands. (fdpic_operand): New. (fdpic_splittable_got_operand): New. (fdpic_got12_operand): New. (frv_emit_movsi): Handle GOT operands. (frv_assemble_integer): -mfdpic doesn't use rofixups. (frv_print_operand): Support 'g' code for GOT operands. * config/frv/frv-protos.h: Add prototypes as needed. * config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO, R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI, R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New. (movsi_high_got, movsi_lo_sum_got): New. (*movsi_pic): Don't use this splitter for -mfdpic. (addsi3): Allow GOT references also. (call, call_value): Handle -mfdpic separately. (call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi, call_value_fdpicsi): New. (symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg, symGOTOFF2reg_i): New. * config/frv/frv.h (MASK_FDPIC): New. (TARGET_FDPIC): New. (TARGET_SWITCHES): Add -mfdpic. (FDPIC_FPTR_REGNO): New. (FDPIC_REGNO): New. (OUR_FDPIC_REG): New. (enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and FDPIC_CALL_REGS. (REG_CLASS_NAMES): Likewise. (REG_CLASS_CONTENTS): Likewise. (EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs. (EXTRA_CONSTRAINT): Add it here. (FRV_GLOBAL_P): New. (OUTPUT_ADDR_CONST_EXTRA): New. From-SVN: r78373
2004-02-24 17:58:39 +01:00
__RELOC_POINTER (p_eh_frame_hdr->p_vaddr, load_base);
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
if (hdr->version != 1)
return 1;
#ifdef CRT_GET_RFIB_DATA
# ifdef __i386__
data->dbase = NULL;
if (p_dynamic)
{
/* For dynamically linked executables and shared libraries,
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
DT_PLTGOT is the gp value for that object. */
Implement FR-V FDPIC ABI support for frv-uclinux and frv-linux. 2004-02-05 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_emit_movsi): Use GOT relocations for symbols in sections named by the user. 2004-01-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New. 2004-01-27 Alexandre Oliva <aoliva@redhat.com> * config.gcc (frv-*-*linux*): Handle like *-*-linux*. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by the above. 2004-01-20 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add one more pseudo to further improve code generation. 2004-01-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (movdi_ldd): Introduce explicit indirection inside UNSPEC. 2004-01-16 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_legitimate_address_p): Added allow_double_reg_p argument. Adjust all callers. Use it to decide whether to enable double-register indirect addressing. (frv_funcdesc_alias_set): Remove. (frv_expand_fdpic_call): Force non-SYMBOL_REF operand into register. Emit movdi_ldd. (ldd_address_operand): New. * config/frv/frv-protos.h (frv_legitimate_address_p): Adjust. * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise. (PREDICATE_CODES): Add ldd_address_operand. * config/frv/frv.md (movdi_ldd): New. (symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for intermediate computations if possible. (symGOTOFF2reg_i): Fix harmless typo. 2003-12-18 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast relocated p_vaddr to vaddr type. * config/frv/frv-protos.h (frv_expand_fdpic_call): Return void. * config/frv/frv.c (frv_get_funcdesc_alias_set): New. (frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc MEM, or use a funcdesc alias set. Use regular move instead of ldd. (dbl_memory_one_insn_operand): Recognize function descriptors by type or by alias set, and don't split them. * config/frv/frv.md (call, call_value): Never use call_internal for fdpic. (call_internal, call_value_internal): Never match for FDPIC. (call_fdpicdi, call_fdpicsi, call_value_fdpicdi, call_value_fdpicsi): Require FDPIC. (ldd): Removed. 2003-12-17 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__. * unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more. (_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV FDPIC. Compute data base address. * config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic before the other self-specs are processed. * config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Build with -fPIC. 2003-12-15 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if inhibit_libc is defined. 2003-12-12 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for __FRV_FDPIC__. (__RELOC_POINTER): Define. (_Unwind_IteratePhdrCallback): Use it. * config/frv/frv.h (Twrite): Define. (TRANSFER_FROM_TRAMPOLINE): Use it. * config/frv/linux.h (INVOKE__main): Undefine. (Twrite): Override. 2003-12-05 Richard Sandiford <rsandifo@redhat.com> * doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options. (-mlibrary-pic): Emphasize that this option generates EABI code. (-mcpu): Add fr550. (-mpack): Remove. 2003-11-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs and CONSTs in FDPIC mode. * gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.c (move_source_operand): Don't accept symbolic constants. * config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n' rather than 'i' constraint for the 2-instruction alternative. (*movsi_2word): New, incorporating existing int_2word_operand splitter. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from EXTRA_CONSTRAINT_FOR_Y. (EXTRA_CONSTRAINT): Remove handling of 'Y'. * config/frv/frv.md (*movsi_internal): Remove 'Q' constraint. (addsi3): Change 'Y' constraint to 'Q'. 2003-11-27 Richard Sandiford <rsandifo@redhat.com> * reload.c (CONST_POOL_OK_P): New macro. (find_reloads): Use it to decide whether a constant can be forced into memory. * config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the constant satisfies got12_operand. (frv_cannot_force_const_mem): Always return true for TARGET_FDPIC. (frv_legitimate_address_p): Check for valid unspec offsets using got12_operand rather than frv_legitimate_fdpic_operand_p. (frv_legitimate_fdpic_operand_p): Delete. (frv_emit_movsi): Abort if we try to use the FDPIC register during or after reload. (frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if TARGET_FDPIC. * config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE. 2003-11-19 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand) (frv_fdpic_fptr_operand): Don't declare here. * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand rather than fdpic_got12_operand. (PREDICATE_CODES): Remove symbolic_operand entry. Add entries for got12_operand and const_unspec_operand. * config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand. (gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls. (symbolic_operand): Remove. (const_unspec_operand): New predicate. * config/frv/frv.md (*movsi_got): Use got12_operand. (*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand. 2003-11-18 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_output_addr_const_extra): Remove. * config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition. * config/frv/frv.c (frv_unspec): New structure. (frv_small_data_reloc_p, frv_const_unspec_p): New functions. (frv_print_operand_memory_reference): Use frv_const_unspec_p to validate CONST indices. Use frv_output_const_unspec to print them. (frv_print_operand): Update call to unspec_got_name. Use frv_output_const_unspec to print constant unspecs. (frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p. Reject UNSPECs otherwise. (unspec_got_name): Take the relocation number as argument, not an rtx containing it. (frv_output_addr_const_extra): Remove, replacing with... (frv_output_const_unspec): ...this new function. (frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p. (gpr_or_int12_operand): Use fdpic_got12_operand. (dbl_memory_one_insn_operand): Likewise. (fdpic_got12_operand): Use frv_const_unspec_p. (frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that are already legitimate. Use frv_small_data_reloc_p when deciding whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12. 2003-11-18 Alexandre Oliva <aoliva@redhat.com> * config/frv/t-linux (SHLIB_MAPFILES): Override so as to export... * config/frv/libgcc-frv.ver: ... frv-specific symbols. New file. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label, for real this time. * config/frv/frv.c (frv_local_funcdesc_p): Update to new representation of visibility. (fdpic_got12_operand, symbolic_operand): Mark unused arguments as such. 2003-11-17 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros. (TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp. * config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless it was explicitly disabled. (frv_stack_info): There is no need to save the link register in every frame unless TARGET_LINKED_FP is true. (frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a frame pointer if the stack pointer might change value. (frv_return_addr_rtx): Check and process "count" argument. 2003-11-14 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_legitimize_address): Remove. (frv_find_base_term): Declare. * config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing. (FIND_BASE_TERM): Define. (PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand, small_data_register_operand, small_data_symbolic_operand. Add symbolic_operand. * config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete. (frv_print_operand_memory_reference, output_move_single): Remove special handling for unlegitimized sdata addresses. (frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG and symbolic addresses. (frv_legitimize_address, frv_legitimize_fdpic_address): Delete. (frv_find_base_term): New function. (int_2word_operand): Check specifically for symbolic address constants. (pic_register_operand, pic_symbolic_operand): Delete. (small_data_register_operand, small_data_symbolic_operand): Delete. (dbl_memory_one_insn_operand): Don't call plus_small_data_p. Allow UNSPEC_GOT constants if !TARGET_FDPIC. (move_source_operand): Only accept CONSTs if they're a two-insn symbolic constant. (fdpic_got12_operand): Don't require TARGET_FDPIC. (frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses using gen_symGOTOFF2reg*. (frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases. (frv_rtx_costs): Give all MEM addresses a cost of 0. Give MEMs themselves a cost of 3 insns. * config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too. Change predicate to symbolic_operand. (*movsi_high_got, *movsi_lo_sum_got): Likewise. (*movsi_lda_sdata): Delete. (*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete. 2003-11-05 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for frv-*-*linux*. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label. * config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before -multilib-library-pic. (LINK_SPEC): Add -z text for -mfdpic. * config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC. * config/frv/frvend.c (__ROFIXUP_END__): Likewise. * config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Override. (OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use crtstuff-generated files. 2003-10-31 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add frv-*-*linux*. * config/frv/linux.h, config/frv/t-linux: New. 2003-10-06 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker when -mfdpic even if a linker script is explicitly listed. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_override_options): Clear asm_out unaligned_op for SImode on FDPIC. (frv_emit_movsi): Use compute_reloc_for_constant to compute the argument passed to decl_readonly_section. (frv_assemble_integer): Revert 2003-09-30's change, but make the whole block run with FDPIC even with -fno-PIC. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_cannot_force_const_mem): Don't force symbol or label plus offset to memory. (frv_emit_movsi): Emit GPREL only if -mgprel-ro. Emit 32-bit GOTOFF and GPREL for LABEL_REF. * config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with -mfdpic unless -mno-gprel-ro, -fpic or -fpie. (MASK_GPREL_RO, TARGET_GPREL_RO): New. (TARGET_SWITCHES): Added gprel-ro and no-gprel-ro. * doc/invoke.texi: Document them. 2003-09-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare. (frv_splittable_got_operand): Removed. * config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and LO_SUM. Add comments. (frv_override_options): Moved enabling of FDPIC to DRIVER_SELF_SPECS. Don't enable MASK_DWORD. (frv_local_funcdesc_p): Remove unnecessary heck for flag_pie. (frv_legitimize_fdpic_address): Don't duplicate logic in frv_emit_movsi. (frv_gen_GPsym2reg): New. (unspec_got_name): Added gprel. (frv_expand_fdpic_call): Add support for inlining PLTs. (fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand. (gpr_or_int12_operand): Added GPREL12. (pic_symbolic_operand): Match even if !flag_pic for FDPIC. (small_data_symbolic_operand): Fail if FDPIC. (fdpic_splittable_got_operand): Removed. (fdpic_got12_operand): Added GPREL12. (frv_emit_movsi): Reorganize to avoid duplication. Emit GPREL when appropriate. Fix sdata GOTOFF. (frv_legitimate_constant_p): Require legitimate PIC operand for FDPIC with pic, but only a legitimate fdpic operand for non-pic. (frv_assemble_integer): Move FDPIC funcdesc handling out of flag_pic case. (frv_asm_out_constructor, frv_asm_out_destructor): Abort if frv_assemble_integer fails. * config/frv/frv.h (DRIVER_SELF_SPECS): New. (SUBTARGET_DRIVER_SELF_SPECS): New. (ASM_SPEC): Don't pass -mno-fdpic. (LINK_SPEC): Pass -melf32frvfd for FDPIC. (MASK_INLINE_PLT, TARGET_INLINE_PLT): New. (TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and -multilib-library-pic. (PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand, condexec_si_media_operator, condexec_sf_add_operator and condexec_sf_conv_operator. Removed condexec_sf_binary_operator and condexec_sf_unary_operator. * config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO): New. (movsi_got, movsi_high_got, movsi_lo_sum_got): Move before movsi_internal. Give them internal names. movsi_got has type int. (fdpic got splitters): Remove. (symGPREL2reg, symGPREL2reg_hilo): New. * config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC to -mlibrary-pic. Map -multilib-library-pic to it. * doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic: Document. 2003-09-28 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_function_symbol_referenced_p): Declare. (TARGET_CANNOT_FORCE_CONST_MEM): Define to... (frv_cannot_force_const_mem): New function. (const_small_data_p, plus_small_data_p): Update comments on sdata on FDPIC. (frv_override_options): Set flag_pie for FDPIC too. (frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed, call-saved registers on FDPIC. (frv_stack_info): Don't preserve the PIC register on FDPIC, and don't force LR to be preserved. (frv_expand_prologue): Likewise. (frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic. (frv_frame_pointer_required): Don't force it just because the FDPIC register is used. (frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC operand only if !condexec_p. (frv_legitimize_address): Return the FDPIC-legitimized address. Don't match small data here on FDPIC. (frv_legitimate_fdpic_operand_p): Don't accept unadorned function symbols. Use TRUE/FALSE instead of 1/0. (frv_local_funcdesc_p): New. (frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit immediates when possible. (pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC. (dbl_memory_one_insn_operand): Accept addresses that add a REG and an UNSPEC_GOT. (frv_emit_movsi): Handle FDPIC before small data. Use GOTOFF and 12-bit immediates when possible. (frv_legitimate_constant_p): In FDPIC, reject SImode operands that are not legitimate pic operands. (frv_in_small_data_p): Re-enable for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC. (FRV_GLOBAL_P): Removed. * config/frv/frv.md: Add modes to CONSTs. (movsi_got): New. (movsi_lo_sum_got): Use separate matches instead of match_dup. (movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only. (fdpic splittable operations): Match on flag_pic != 1. 2003-09-22 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_asm_out_constructor, frv_asm_out_destructor): Pass to frv_assemble_integer the size in bytes, not bits. 2003-09-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_assemble_integer): Reject complex expressions referencing function SYMBOL_REFs. * config/frv/frv.c (frv_function_symbol_referenced_p): New. (move_source_operand): Reject CONSTs that reference function SYMBOL_REFs on FDPIC. (frv_emit_movsi): If we get such a CONST, break it up. * config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic. (TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC. * config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without MEM. (frv_assemble_integer): Don't use funcdesc for LABEL_REFs. (frv_trampoline_size): Increase for FDPIC. * config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC. (TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines. * config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi): Disable use of GOTOFF for now. (const_small_data_p, plus_small_data_p, frv_in_small_data_p): Disable use of small data in FDPIC for now. (frv_asm_output_mi_thunk): Implement for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC. * config/frv/frv.c (frv_asm_out_constructor): Use frv_assemble_integer for FDPIC pointers. (frv_asm_out_destructor): Likewise. * config/frv/frv.md (ldd): Fix order of operands. Use address_operand for input. 2003-09-18 DJ Delorie <dj@redhat.com> * config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC. (unspec_got_name): Correct typo. (frv_emit_movsi): Pre-expand splittable GOTs. (frv_expand_fdpic_call): Rename gen_lddi to gen_ldd. * config/frv/frv.md (lddi): Fix syntax error, rename to ldd. (symGOT2reg_hilo, symGOTOFF2reg_hilo): New. * config/frv/t-frv: Add -mfdpic multilibs. * config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic. (TARGET_SWITCHES): Add -mno-fdpic, fix documentation. * config/frv/frv.c (frv_override_options): -mfdpic assumes flag_pic, default to 32-bit pics, require DWORD ops. (frv_override_options): Add W and Z constraints. (frv_expand_prologue): No pic prologue for -mfdpic. (frv_asm_output_mi_thunk): Support -mfdpic (soon). (frv_print_operand_memory_reference): Handle GOT constants. (frv_legitimate_address_p): Allow GOT constants. (frv_legitimize_address): Handle GOT addresses too. (frv_legitimate_fdpic_operand_p): New. (frv_legitimize_fdpic_address): New. (unspec_got_name): New. (frv_output_addr_const_extra): New. (frv_expand_fdpic_call): New. (frv_fdpic_fptr_operand): New. (gpr_or_int12_operand): Handle GOT operands. (int_2word_operand): Handle GOT operands. (fdpic_operand): New. (fdpic_splittable_got_operand): New. (fdpic_got12_operand): New. (frv_emit_movsi): Handle GOT operands. (frv_assemble_integer): -mfdpic doesn't use rofixups. (frv_print_operand): Support 'g' code for GOT operands. * config/frv/frv-protos.h: Add prototypes as needed. * config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO, R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI, R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New. (movsi_high_got, movsi_lo_sum_got): New. (*movsi_pic): Don't use this splitter for -mfdpic. (addsi3): Allow GOT references also. (call, call_value): Handle -mfdpic separately. (call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi, call_value_fdpicsi): New. (symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg, symGOTOFF2reg_i): New. * config/frv/frv.h (MASK_FDPIC): New. (TARGET_FDPIC): New. (TARGET_SWITCHES): Add -mfdpic. (FDPIC_FPTR_REGNO): New. (FDPIC_REGNO): New. (OUR_FDPIC_REG): New. (enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and FDPIC_CALL_REGS. (REG_CLASS_NAMES): Likewise. (REG_CLASS_CONTENTS): Likewise. (EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs. (EXTRA_CONSTRAINT): Add it here. (FRV_GLOBAL_P): New. (OUTPUT_ADDR_CONST_EXTRA): New. From-SVN: r78373
2004-02-24 17:58:39 +01:00
ElfW(Dyn) *dyn = (ElfW(Dyn) *)
__RELOC_POINTER (p_dynamic->p_vaddr, load_base);
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
for (; dyn->d_tag != DT_NULL ; dyn++)
if (dyn->d_tag == DT_PLTGOT)
{
data->dbase = (void *) dyn->d_un.d_ptr;
#if defined __linux__
/* On IA-32 Linux, _DYNAMIC is writable and GLIBC has
relocated it. */
#elif defined __sun__ && defined __svr4__
/* On Solaris 2/x86, we need to do this ourselves. */
data->dbase += load_base;
#endif
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
break;
}
}
Implement FR-V FDPIC ABI support for frv-uclinux and frv-linux. 2004-02-05 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_emit_movsi): Use GOT relocations for symbols in sections named by the user. 2004-01-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New. 2004-01-27 Alexandre Oliva <aoliva@redhat.com> * config.gcc (frv-*-*linux*): Handle like *-*-linux*. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by the above. 2004-01-20 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add one more pseudo to further improve code generation. 2004-01-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.md (movdi_ldd): Introduce explicit indirection inside UNSPEC. 2004-01-16 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_legitimate_address_p): Added allow_double_reg_p argument. Adjust all callers. Use it to decide whether to enable double-register indirect addressing. (frv_funcdesc_alias_set): Remove. (frv_expand_fdpic_call): Force non-SYMBOL_REF operand into register. Emit movdi_ldd. (ldd_address_operand): New. * config/frv/frv-protos.h (frv_legitimate_address_p): Adjust. * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise. (PREDICATE_CODES): Add ldd_address_operand. * config/frv/frv.md (movdi_ldd): New. (symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for intermediate computations if possible. (symGOTOFF2reg_i): Fix harmless typo. 2003-12-18 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast relocated p_vaddr to vaddr type. * config/frv/frv-protos.h (frv_expand_fdpic_call): Return void. * config/frv/frv.c (frv_get_funcdesc_alias_set): New. (frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc MEM, or use a funcdesc alias set. Use regular move instead of ldd. (dbl_memory_one_insn_operand): Recognize function descriptors by type or by alias set, and don't split them. * config/frv/frv.md (call, call_value): Never use call_internal for fdpic. (call_internal, call_value_internal): Never match for FDPIC. (call_fdpicdi, call_fdpicsi, call_value_fdpicdi, call_value_fdpicsi): Require FDPIC. (ldd): Removed. 2003-12-17 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__. * unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more. (_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV FDPIC. Compute data base address. * config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic before the other self-specs are processed. * config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Build with -fPIC. 2003-12-15 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if inhibit_libc is defined. 2003-12-12 Alexandre Oliva <aoliva@redhat.com> * unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for __FRV_FDPIC__. (__RELOC_POINTER): Define. (_Unwind_IteratePhdrCallback): Use it. * config/frv/frv.h (Twrite): Define. (TRANSFER_FROM_TRAMPOLINE): Use it. * config/frv/linux.h (INVOKE__main): Undefine. (Twrite): Override. 2003-12-05 Richard Sandiford <rsandifo@redhat.com> * doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options. (-mlibrary-pic): Emphasize that this option generates EABI code. (-mcpu): Add fr550. (-mpack): Remove. 2003-11-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs and CONSTs in FDPIC mode. * gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.c (move_source_operand): Don't accept symbolic constants. * config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n' rather than 'i' constraint for the 2-instruction alternative. (*movsi_2word): New, incorporating existing int_2word_operand splitter. 2003-11-29 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from EXTRA_CONSTRAINT_FOR_Y. (EXTRA_CONSTRAINT): Remove handling of 'Y'. * config/frv/frv.md (*movsi_internal): Remove 'Q' constraint. (addsi3): Change 'Y' constraint to 'Q'. 2003-11-27 Richard Sandiford <rsandifo@redhat.com> * reload.c (CONST_POOL_OK_P): New macro. (find_reloads): Use it to decide whether a constant can be forced into memory. * config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the constant satisfies got12_operand. (frv_cannot_force_const_mem): Always return true for TARGET_FDPIC. (frv_legitimate_address_p): Check for valid unspec offsets using got12_operand rather than frv_legitimate_fdpic_operand_p. (frv_legitimate_fdpic_operand_p): Delete. (frv_emit_movsi): Abort if we try to use the FDPIC register during or after reload. (frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if TARGET_FDPIC. * config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE. 2003-11-19 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand) (frv_fdpic_fptr_operand): Don't declare here. * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand rather than fdpic_got12_operand. (PREDICATE_CODES): Remove symbolic_operand entry. Add entries for got12_operand and const_unspec_operand. * config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand. (gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls. (symbolic_operand): Remove. (const_unspec_operand): New predicate. * config/frv/frv.md (*movsi_got): Use got12_operand. (*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand. 2003-11-18 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_output_addr_const_extra): Remove. * config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition. * config/frv/frv.c (frv_unspec): New structure. (frv_small_data_reloc_p, frv_const_unspec_p): New functions. (frv_print_operand_memory_reference): Use frv_const_unspec_p to validate CONST indices. Use frv_output_const_unspec to print them. (frv_print_operand): Update call to unspec_got_name. Use frv_output_const_unspec to print constant unspecs. (frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p. Reject UNSPECs otherwise. (unspec_got_name): Take the relocation number as argument, not an rtx containing it. (frv_output_addr_const_extra): Remove, replacing with... (frv_output_const_unspec): ...this new function. (frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p. (gpr_or_int12_operand): Use fdpic_got12_operand. (dbl_memory_one_insn_operand): Likewise. (fdpic_got12_operand): Use frv_const_unspec_p. (frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that are already legitimate. Use frv_small_data_reloc_p when deciding whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12. 2003-11-18 Alexandre Oliva <aoliva@redhat.com> * config/frv/t-linux (SHLIB_MAPFILES): Override so as to export... * config/frv/libgcc-frv.ver: ... frv-specific symbols. New file. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label, for real this time. * config/frv/frv.c (frv_local_funcdesc_p): Update to new representation of visibility. (fdpic_got12_operand, symbolic_operand): Mark unused arguments as such. 2003-11-17 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros. (TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp. * config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless it was explicitly disabled. (frv_stack_info): There is no need to save the link register in every frame unless TARGET_LINKED_FP is true. (frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a frame pointer if the stack pointer might change value. (frv_return_addr_rtx): Check and process "count" argument. 2003-11-14 Richard Sandiford <rsandifo@redhat.com> * config/frv/frv-protos.h (frv_legitimize_address): Remove. (frv_find_base_term): Declare. * config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing. (FIND_BASE_TERM): Define. (PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand, small_data_register_operand, small_data_symbolic_operand. Add symbolic_operand. * config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete. (frv_print_operand_memory_reference, output_move_single): Remove special handling for unlegitimized sdata addresses. (frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG and symbolic addresses. (frv_legitimize_address, frv_legitimize_fdpic_address): Delete. (frv_find_base_term): New function. (int_2word_operand): Check specifically for symbolic address constants. (pic_register_operand, pic_symbolic_operand): Delete. (small_data_register_operand, small_data_symbolic_operand): Delete. (dbl_memory_one_insn_operand): Don't call plus_small_data_p. Allow UNSPEC_GOT constants if !TARGET_FDPIC. (move_source_operand): Only accept CONSTs if they're a two-insn symbolic constant. (fdpic_got12_operand): Don't require TARGET_FDPIC. (frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses using gen_symGOTOFF2reg*. (frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases. (frv_rtx_costs): Give all MEM addresses a cost of 0. Give MEMs themselves a cost of 3 insns. * config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too. Change predicate to symbolic_operand. (*movsi_high_got, *movsi_lo_sum_got): Likewise. (*movsi_lda_sdata): Delete. (*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete. 2003-11-05 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for frv-*-*linux*. * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local label. * config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before -multilib-library-pic. (LINK_SPEC): Add -z text for -mfdpic. * config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC. * config/frv/frvend.c (__ROFIXUP_END__): Likewise. * config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Override. (OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use crtstuff-generated files. 2003-10-31 Alexandre Oliva <aoliva@redhat.com> * config.gcc: Add frv-*-*linux*. * config/frv/linux.h, config/frv/t-linux: New. 2003-10-06 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker when -mfdpic even if a linker script is explicitly listed. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_override_options): Clear asm_out unaligned_op for SImode on FDPIC. (frv_emit_movsi): Use compute_reloc_for_constant to compute the argument passed to decl_readonly_section. (frv_assemble_integer): Revert 2003-09-30's change, but make the whole block run with FDPIC even with -fno-PIC. 2003-10-02 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_cannot_force_const_mem): Don't force symbol or label plus offset to memory. (frv_emit_movsi): Emit GPREL only if -mgprel-ro. Emit 32-bit GOTOFF and GPREL for LABEL_REF. * config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with -mfdpic unless -mno-gprel-ro, -fpic or -fpie. (MASK_GPREL_RO, TARGET_GPREL_RO): New. (TARGET_SWITCHES): Added gprel-ro and no-gprel-ro. * doc/invoke.texi: Document them. 2003-09-30 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare. (frv_splittable_got_operand): Removed. * config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and LO_SUM. Add comments. (frv_override_options): Moved enabling of FDPIC to DRIVER_SELF_SPECS. Don't enable MASK_DWORD. (frv_local_funcdesc_p): Remove unnecessary heck for flag_pie. (frv_legitimize_fdpic_address): Don't duplicate logic in frv_emit_movsi. (frv_gen_GPsym2reg): New. (unspec_got_name): Added gprel. (frv_expand_fdpic_call): Add support for inlining PLTs. (fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand. (gpr_or_int12_operand): Added GPREL12. (pic_symbolic_operand): Match even if !flag_pic for FDPIC. (small_data_symbolic_operand): Fail if FDPIC. (fdpic_splittable_got_operand): Removed. (fdpic_got12_operand): Added GPREL12. (frv_emit_movsi): Reorganize to avoid duplication. Emit GPREL when appropriate. Fix sdata GOTOFF. (frv_legitimate_constant_p): Require legitimate PIC operand for FDPIC with pic, but only a legitimate fdpic operand for non-pic. (frv_assemble_integer): Move FDPIC funcdesc handling out of flag_pic case. (frv_asm_out_constructor, frv_asm_out_destructor): Abort if frv_assemble_integer fails. * config/frv/frv.h (DRIVER_SELF_SPECS): New. (SUBTARGET_DRIVER_SELF_SPECS): New. (ASM_SPEC): Don't pass -mno-fdpic. (LINK_SPEC): Pass -melf32frvfd for FDPIC. (MASK_INLINE_PLT, TARGET_INLINE_PLT): New. (TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and -multilib-library-pic. (PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand, condexec_si_media_operator, condexec_sf_add_operator and condexec_sf_conv_operator. Removed condexec_sf_binary_operator and condexec_sf_unary_operator. * config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO): New. (movsi_got, movsi_high_got, movsi_lo_sum_got): Move before movsi_internal. Give them internal names. movsi_got has type int. (fdpic got splitters): Remove. (symGPREL2reg, symGPREL2reg_hilo): New. * config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC to -mlibrary-pic. Map -multilib-library-pic to it. * doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic: Document. 2003-09-28 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_function_symbol_referenced_p): Declare. (TARGET_CANNOT_FORCE_CONST_MEM): Define to... (frv_cannot_force_const_mem): New function. (const_small_data_p, plus_small_data_p): Update comments on sdata on FDPIC. (frv_override_options): Set flag_pie for FDPIC too. (frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed, call-saved registers on FDPIC. (frv_stack_info): Don't preserve the PIC register on FDPIC, and don't force LR to be preserved. (frv_expand_prologue): Likewise. (frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic. (frv_frame_pointer_required): Don't force it just because the FDPIC register is used. (frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC operand only if !condexec_p. (frv_legitimize_address): Return the FDPIC-legitimized address. Don't match small data here on FDPIC. (frv_legitimate_fdpic_operand_p): Don't accept unadorned function symbols. Use TRUE/FALSE instead of 1/0. (frv_local_funcdesc_p): New. (frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit immediates when possible. (pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC. (dbl_memory_one_insn_operand): Accept addresses that add a REG and an UNSPEC_GOT. (frv_emit_movsi): Handle FDPIC before small data. Use GOTOFF and 12-bit immediates when possible. (frv_legitimate_constant_p): In FDPIC, reject SImode operands that are not legitimate pic operands. (frv_in_small_data_p): Re-enable for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC. (FRV_GLOBAL_P): Removed. * config/frv/frv.md: Add modes to CONSTs. (movsi_got): New. (movsi_lo_sum_got): Use separate matches instead of match_dup. (movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only. (fdpic splittable operations): Match on flag_pic != 1. 2003-09-22 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_asm_out_constructor, frv_asm_out_destructor): Pass to frv_assemble_integer the size in bytes, not bits. 2003-09-19 Alexandre Oliva <aoliva@redhat.com> * config/frv/frv.c (frv_assemble_integer): Reject complex expressions referencing function SYMBOL_REFs. * config/frv/frv.c (frv_function_symbol_referenced_p): New. (move_source_operand): Reject CONSTs that reference function SYMBOL_REFs on FDPIC. (frv_emit_movsi): If we get such a CONST, break it up. * config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic. (TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC. * config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without MEM. (frv_assemble_integer): Don't use funcdesc for LABEL_REFs. (frv_trampoline_size): Increase for FDPIC. * config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC. (TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines. * config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi): Disable use of GOTOFF for now. (const_small_data_p, plus_small_data_p, frv_in_small_data_p): Disable use of small data in FDPIC for now. (frv_asm_output_mi_thunk): Implement for FDPIC. * config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC. * config/frv/frv.c (frv_asm_out_constructor): Use frv_assemble_integer for FDPIC pointers. (frv_asm_out_destructor): Likewise. * config/frv/frv.md (ldd): Fix order of operands. Use address_operand for input. 2003-09-18 DJ Delorie <dj@redhat.com> * config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC. (unspec_got_name): Correct typo. (frv_emit_movsi): Pre-expand splittable GOTs. (frv_expand_fdpic_call): Rename gen_lddi to gen_ldd. * config/frv/frv.md (lddi): Fix syntax error, rename to ldd. (symGOT2reg_hilo, symGOTOFF2reg_hilo): New. * config/frv/t-frv: Add -mfdpic multilibs. * config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic. (TARGET_SWITCHES): Add -mno-fdpic, fix documentation. * config/frv/frv.c (frv_override_options): -mfdpic assumes flag_pic, default to 32-bit pics, require DWORD ops. (frv_override_options): Add W and Z constraints. (frv_expand_prologue): No pic prologue for -mfdpic. (frv_asm_output_mi_thunk): Support -mfdpic (soon). (frv_print_operand_memory_reference): Handle GOT constants. (frv_legitimate_address_p): Allow GOT constants. (frv_legitimize_address): Handle GOT addresses too. (frv_legitimate_fdpic_operand_p): New. (frv_legitimize_fdpic_address): New. (unspec_got_name): New. (frv_output_addr_const_extra): New. (frv_expand_fdpic_call): New. (frv_fdpic_fptr_operand): New. (gpr_or_int12_operand): Handle GOT operands. (int_2word_operand): Handle GOT operands. (fdpic_operand): New. (fdpic_splittable_got_operand): New. (fdpic_got12_operand): New. (frv_emit_movsi): Handle GOT operands. (frv_assemble_integer): -mfdpic doesn't use rofixups. (frv_print_operand): Support 'g' code for GOT operands. * config/frv/frv-protos.h: Add prototypes as needed. * config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO, R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI, R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New. (movsi_high_got, movsi_lo_sum_got): New. (*movsi_pic): Don't use this splitter for -mfdpic. (addsi3): Allow GOT references also. (call, call_value): Handle -mfdpic separately. (call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi, call_value_fdpicsi): New. (symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg, symGOTOFF2reg_i): New. * config/frv/frv.h (MASK_FDPIC): New. (TARGET_FDPIC): New. (TARGET_SWITCHES): Add -mfdpic. (FDPIC_FPTR_REGNO): New. (FDPIC_REGNO): New. (OUR_FDPIC_REG): New. (enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and FDPIC_CALL_REGS. (REG_CLASS_NAMES): Likewise. (REG_CLASS_CONTENTS): Likewise. (EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs. (EXTRA_CONSTRAINT): Add it here. (FRV_GLOBAL_P): New. (OUTPUT_ADDR_CONST_EXTRA): New. From-SVN: r78373
2004-02-24 17:58:39 +01:00
# elif defined __FRV_FDPIC__ && defined __linux__
data->dbase = load_base.got_value;
# elif defined __x86_64__ && defined __sun__ && defined __svr4__
/* While CRT_GET_RFIB_DATA is also defined for 64-bit Solaris 10+/x86, it
doesn't apply since it uses DW_EH_PE_pcrel encoding. */
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
# else
# error What is DW_EH_PE_datarel base on this platform?
# endif
#endif
p = read_encoded_value_with_base (hdr->eh_frame_ptr_enc,
base_from_cb_data (hdr->eh_frame_ptr_enc,
data),
(const unsigned char *) (hdr + 1),
&eh_frame);
/* We require here specific table encoding to speed things up.
Also, DW_EH_PE_datarel here means using PT_GNU_EH_FRAME start
as base, not the processor specific DW_EH_PE_datarel. */
if (hdr->fde_count_enc != DW_EH_PE_omit
&& hdr->table_enc == (DW_EH_PE_datarel | DW_EH_PE_sdata4))
{
_Unwind_Ptr fde_count;
p = read_encoded_value_with_base (hdr->fde_count_enc,
base_from_cb_data (hdr->fde_count_enc,
data),
p, &fde_count);
/* Shouldn't happen. */
if (fde_count == 0)
return 1;
if ((((_Unwind_Ptr) p) & 3) == 0)
{
struct fde_table {
signed initial_loc __attribute__ ((mode (SI)));
signed fde __attribute__ ((mode (SI)));
};
const struct fde_table *table = (const struct fde_table *) p;
size_t lo, hi, mid;
_Unwind_Ptr data_base = (_Unwind_Ptr) hdr;
fde *f;
unsigned int f_enc, f_enc_size;
_Unwind_Ptr range;
mid = fde_count - 1;
if (data->pc < table[0].initial_loc + data_base)
return 1;
else if (data->pc < table[mid].initial_loc + data_base)
{
lo = 0;
hi = mid;
while (lo < hi)
{
mid = (lo + hi) / 2;
if (data->pc < table[mid].initial_loc + data_base)
hi = mid;
else if (data->pc >= table[mid + 1].initial_loc + data_base)
lo = mid + 1;
else
break;
}
gcc_assert (lo < hi);
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
}
f = (fde *) (table[mid].fde + data_base);
f_enc = get_fde_encoding (f);
f_enc_size = size_of_encoded_value (f_enc);
read_encoded_value_with_base (f_enc & 0x0f, 0,
&f->pc_begin[f_enc_size], &range);
if (data->pc < table[mid].initial_loc + data_base + range)
data->ret = f;
data->func = (void *) (table[mid].initial_loc + data_base);
return 1;
}
}
/* We have no sorted search table, so need to go the slow way.
As soon as GLIBC will provide API so to notify that a library has been
removed, we could cache this (and thus use search_object). */
ob.pc_begin = NULL;
ob.tbase = data->tbase;
ob.dbase = data->dbase;
ob.u.single = (fde *) eh_frame;
ob.s.i = 0;
ob.s.b.mixed_encoding = 1; /* Need to assume worst case. */
data->ret = linear_search_fdes (&ob, (fde *) eh_frame, (void *) data->pc);
if (data->ret != NULL)
{
_Unwind_Ptr func;
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
unsigned int encoding = get_fde_encoding (data->ret);
Remove trailing white spaces. 2009-11-25 H.J. Lu <hongjiu.lu@intel.com> * alias.c: Remove trailing white spaces. * alloc-pool.c: Likewise. * alloc-pool.h: Likewise. * attribs.c: Likewise. * auto-inc-dec.c: Likewise. * basic-block.h: Likewise. * bb-reorder.c: Likewise. * bt-load.c: Likewise. * builtins.c: Likewise. * builtins.def: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-decl.c: Likewise. * c-format.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-parser.c: Likewise. * c-pretty-print.c: Likewise. * c-tree.h: Likewise. * c-typeck.c: Likewise. * caller-save.c: Likewise. * calls.c: Likewise. * cfg.c: Likewise. * cfganal.c: Likewise. * cfgexpand.c: Likewise. * cfghooks.c: Likewise. * cfghooks.h: Likewise. * cfglayout.c: Likewise. * cfgloop.c: Likewise. * cfgloop.h: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * cgraph.c: Likewise. * cgraph.h: Likewise. * cgraphbuild.c: Likewise. * cgraphunit.c: Likewise. * cif-code.def: Likewise. * collect2.c: Likewise. * combine.c: Likewise. * convert.c: Likewise. * coverage.c: Likewise. * crtstuff.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * dbgcnt.c: Likewise. * dbgcnt.def: Likewise. * dbgcnt.h: Likewise. * dbxout.c: Likewise. * dce.c: Likewise. * ddg.c: Likewise. * ddg.h: Likewise. * defaults.h: Likewise. * df-byte-scan.c: Likewise. * df-core.c: Likewise. * df-problems.c: Likewise. * df-scan.c: Likewise. * df.h: Likewise. * dfp.c: Likewise. * diagnostic.c: Likewise. * diagnostic.h: Likewise. * dominance.c: Likewise. * domwalk.c: Likewise. * double-int.c: Likewise. * double-int.h: Likewise. * dse.c: Likewise. * dwarf2asm.c: Likewise. * dwarf2asm.h: Likewise. * dwarf2out.c: Likewise. * ebitmap.c: Likewise. * ebitmap.h: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * except.c: Likewise. * except.h: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * expr.h: Likewise. * final.c: Likewise. * flags.h: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * function.h: Likewise. * fwprop.c: Likewise. * gcc.c: Likewise. * gcov-dump.c: Likewise. * gcov-io.c: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genattr.c: Likewise. * genattrtab.c: Likewise. * genautomata.c: Likewise. * genchecksum.c: Likewise. * genconfig.c: Likewise. * genflags.c: Likewise. * gengtype-parse.c: Likewise. * gengtype.c: Likewise. * gengtype.h: Likewise. * genmddeps.c: Likewise. * genmodes.c: Likewise. * genopinit.c: Likewise. * genpreds.c: Likewise. * gensupport.c: Likewise. * ggc-common.c: Likewise. * ggc-page.c: Likewise. * ggc-zone.c: Likewise. * ggc.h: Likewise. * gimple-iterator.c: Likewise. * gimple-low.c: Likewise. * gimple-pretty-print.c: Likewise. * gimple.c: Likewise. * gimple.def: Likewise. * gimple.h: Likewise. * gimplify.c: Likewise. * graphds.c: Likewise. * graphite-clast-to-gimple.c: Likewise. * gthr-nks.h: Likewise. * gthr-posix.c: Likewise. * gthr-posix.h: Likewise. * gthr-posix95.h: Likewise. * gthr-single.h: Likewise. * gthr-tpf.h: Likewise. * gthr-vxworks.h: Likewise. * gthr.h: Likewise. * haifa-sched.c: Likewise. * hard-reg-set.h: Likewise. * hooks.c: Likewise. * hooks.h: Likewise. * hosthooks.h: Likewise. * hwint.h: Likewise. * ifcvt.c: Likewise. * incpath.c: Likewise. * init-regs.c: Likewise. * integrate.c: Likewise. * ipa-cp.c: Likewise. * ipa-inline.c: Likewise. * ipa-prop.c: Likewise. * ipa-pure-const.c: Likewise. * ipa-reference.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa-struct-reorg.h: Likewise. * ipa-type-escape.c: Likewise. * ipa-type-escape.h: Likewise. * ipa-utils.c: Likewise. * ipa-utils.h: Likewise. * ipa.c: Likewise. * ira-build.c: Likewise. * ira-color.c: Likewise. * ira-conflicts.c: Likewise. * ira-costs.c: Likewise. * ira-emit.c: Likewise. * ira-int.h: Likewise. * ira-lives.c: Likewise. * ira.c: Likewise. * jump.c: Likewise. * lambda-code.c: Likewise. * lambda-mat.c: Likewise. * lambda-trans.c: Likewise. * lambda.h: Likewise. * langhooks.c: Likewise. * lcm.c: Likewise. * libgcov.c: Likewise. * lists.c: Likewise. * loop-doloop.c: Likewise. * loop-init.c: Likewise. * loop-invariant.c: Likewise. * loop-iv.c: Likewise. * loop-unroll.c: Likewise. * lower-subreg.c: Likewise. * lto-cgraph.c: Likewise. * lto-compress.c: Likewise. * lto-opts.c: Likewise. * lto-section-in.c: Likewise. * lto-section-out.c: Likewise. * lto-streamer-in.c: Likewise. * lto-streamer-out.c: Likewise. * lto-streamer.c: Likewise. * lto-streamer.h: Likewise. * lto-symtab.c: Likewise. * lto-wpa-fixup.c: Likewise. * matrix-reorg.c: Likewise. * mcf.c: Likewise. * mode-switching.c: Likewise. * modulo-sched.c: Likewise. * omega.c: Likewise. * omega.h: Likewise. * omp-low.c: Likewise. * optabs.c: Likewise. * optabs.h: Likewise. * opts-common.c: Likewise. * opts.c: Likewise. * params.def: Likewise. * params.h: Likewise. * passes.c: Likewise. * plugin.c: Likewise. * postreload-gcse.c: Likewise. * postreload.c: Likewise. * predict.c: Likewise. * predict.def: Likewise. * pretty-print.c: Likewise. * pretty-print.h: Likewise. * print-rtl.c: Likewise. * print-tree.c: Likewise. * profile.c: Likewise. * read-rtl.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * reg-stack.c: Likewise. * regcprop.c: Likewise. * reginfo.c: Likewise. * regmove.c: Likewise. * regrename.c: Likewise. * regs.h: Likewise. * regstat.c: Likewise. * reload.c: Likewise. * reload1.c: Likewise. * resource.c: Likewise. * rtl.c: Likewise. * rtl.def: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. * sbitmap.c: Likewise. * sched-deps.c: Likewise. * sched-ebb.c: Likewise. * sched-int.h: Likewise. * sched-rgn.c: Likewise. * sched-vis.c: Likewise. * sdbout.c: Likewise. * sel-sched-dump.c: Likewise. * sel-sched-dump.h: Likewise. * sel-sched-ir.c: Likewise. * sel-sched-ir.h: Likewise. * sel-sched.c: Likewise. * sel-sched.h: Likewise. * sese.c: Likewise. * sese.h: Likewise. * simplify-rtx.c: Likewise. * stack-ptr-mod.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * store-motion.c: Likewise. * stringpool.c: Likewise. * stub-objc.c: Likewise. * sync-builtins.def: Likewise. * target-def.h: Likewise. * target.h: Likewise. * targhooks.c: Likewise. * targhooks.h: Likewise. * timevar.c: Likewise. * tlink.c: Likewise. * toplev.c: Likewise. * toplev.h: Likewise. * tracer.c: Likewise. * tree-affine.c: Likewise. * tree-affine.h: Likewise. * tree-browser.def: Likewise. * tree-call-cdce.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-chrec.c: Likewise. * tree-chrec.h: Likewise. * tree-complex.c: Likewise. * tree-data-ref.c: Likewise. * tree-data-ref.h: Likewise. * tree-dfa.c: Likewise. * tree-dump.c: Likewise. * tree-dump.h: Likewise. * tree-eh.c: Likewise. * tree-flow-inline.h: Likewise. * tree-flow.h: Likewise. * tree-if-conv.c: Likewise. * tree-inline.c: Likewise. * tree-into-ssa.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-loop-linear.c: Likewise. * tree-mudflap.c: Likewise. * tree-nested.c: Likewise. * tree-nomudflap.c: Likewise. * tree-nrv.c: Likewise. * tree-object-size.c: Likewise. * tree-optimize.c: Likewise. * tree-outof-ssa.c: Likewise. * tree-parloops.c: Likewise. * tree-pass.h: Likewise. * tree-phinodes.c: Likewise. * tree-predcom.c: Likewise. * tree-pretty-print.c: Likewise. * tree-profile.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-ssa-address.c: Likewise. * tree-ssa-alias.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree-ssa-copy.c: Likewise. * tree-ssa-copyrename.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-dse.c: Likewise. * tree-ssa-forwprop.c: Likewise. * tree-ssa-ifcombine.c: Likewise. * tree-ssa-live.c: Likewise. * tree-ssa-live.h: Likewise. * tree-ssa-loop-ch.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-loop-unswitch.c: Likewise. * tree-ssa-loop.c: Likewise. * tree-ssa-math-opts.c: Likewise. * tree-ssa-operands.c: Likewise. * tree-ssa-operands.h: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-propagate.c: Likewise. * tree-ssa-reassoc.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-sink.c: Likewise. * tree-ssa-structalias.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-ssa-threadedge.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-uncprop.c: Likewise. * tree-ssa.c: Likewise. * tree-ssanames.c: Likewise. * tree-switch-conversion.c: Likewise. * tree-tailcall.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-generic.c: Likewise. * tree-vect-loop-manip.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * tree-vectorizer.c: Likewise. * tree-vectorizer.h: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. * tree.def: Likewise. * tree.h: Likewise. * treestruct.def: Likewise. * unwind-compat.c: Likewise. * unwind-dw2-fde-glibc.c: Likewise. * unwind-dw2.c: Likewise. * value-prof.c: Likewise. * value-prof.h: Likewise. * var-tracking.c: Likewise. * varasm.c: Likewise. * varpool.c: Likewise. * vec.c: Likewise. * vec.h: Likewise. * vmsdbgout.c: Likewise. * web.c: Likewise. * xcoffout.c: Likewise. From-SVN: r154645
2009-11-25 11:55:54 +01:00
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
read_encoded_value_with_base (encoding,
base_from_cb_data (encoding, data),
data->ret->pc_begin, &func);
data->func = (void *) func;
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
}
return 1;
}
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
const fde *
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
_Unwind_Find_FDE (void *pc, struct dwarf_eh_bases *bases)
{
struct unw_eh_callback_data data;
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
const fde *ret;
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
ret = _Unwind_Find_registered_FDE (pc, bases);
if (ret != NULL)
return ret;
data.pc = (_Unwind_Ptr) pc;
data.tbase = NULL;
data.dbase = NULL;
data.func = NULL;
data.ret = NULL;
data.check_cache = 1;
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
if (dl_iterate_phdr (_Unwind_IteratePhdrCallback, &data) < 0)
return NULL;
if (data.ret)
{
bases->tbase = data.tbase;
bases->dbase = data.dbase;
bases->func = data.func;
}
return data.ret;
}
#else
/* Prevent multiple include of header files. */
#define _Unwind_Find_FDE _Unwind_Find_FDE
configure.in: Check for ld. * configure.in: Check for ld. (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. * configure, config.in: Rebuilt. * config.gcc: Add crtbeginT.o to extra_parts where needed. * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc frame unwinding on Linux. * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde frame unwinding. * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't iterate further if pc falls into current library, but fde was not found. * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static if using glibc. (LINK_EH_SPEC): Define. * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): Use crtbeginT.o for -static. (LINK_EH_SPEC): Define. * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. * Makefile.in (crtbeginT.o): Add rule. * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. If neither -static-libgcc nor -shared-libgcc is passed and -shared, use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. If none of the above switches are passed, use -lgcc -lgcc_eh. (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if creating libgcc_s.so, put them into separate libgcc_eh.a instead. * unwind-dw2-fde.c: Don't include any headers if this file is included from other .c file. * unwind-dw2-fde-glibc.c: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. Use it instead of EH_FRAME_SECTION_NAME where appropriate. From-SVN: r48039
2001-12-15 12:49:18 +01:00
#include "unwind-dw2-fde.c"
#endif
re PR target/14925 (libunwind enabled gcc generates incompatible libgcc_s.so.1) 2004-09-03 H.J. Lu <hongjiu.lu@intel.com> PR target/14925: Makefile.in (LIB2ADDEHSTATIC): New. (LIB2ADDEHSHARED): New. (LIBUNWIND): New. (LIBUNWINDDEP): New. (SHLIBUNWIND_LINK): New. (SHLIBUNWIND_INSTALL): New. (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND, LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL. (clean): Remove libunwind* (stage1-start): Remove and copy stage1/libunwind*. (stage2-start): Remove and copy stage2/libunwind*. (stage3-start): Remove and copy stage3/libunwind*. (stage4-start): Remove and copy stage4/libunwind*. (stageprofile-start): Remove and copy stageprofile/libunwind*. (stagefeedback-start): Remove and copy stagefeedback/libunwind*. * config.gcc (ia64*-*-linux*): Always add t-libunwind to tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to tmake_file if --with-system-libunwind isn't used. * config/ia64/t-glibc-libunwind: New file. * config/t-libunwind-elf: Likewise. * unwind-compat.c: Likewise. * unwind-compat.h: Likewise. * unwind-dw2-fde-compat.c: Likewise. * config/ia64/t-glibc (LIB2ADDEH): Updated. * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS. * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define aliases if needed. * unwind-dw2-fde-glibc.c: Likewise. * unwind-dw2.c: Likewise. * config/t-libunwind (LIB2ADDEH): Updated. (LIB2ADDEHSTATIC): New. (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS. (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER. * configure.ac: Change --enable-libunwind-exceptions to --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS. * configure: Regenerated. * config.in: Updated. * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or above and mention --with-system-libunwind. (ia64-*-hpux*): Mention --enable-libunwind-exceptions is removed in gcc 3.4.3 and later. * gcc.c (init_spec): Add -lunwind to -lgcc_s if USE_LIBUNWIND_EXCEPTIONS is defined. * mklibgcc.in: Support libunwind. From-SVN: r87066
2004-09-04 02:15:42 +02:00
#if defined (USE_GAS_SYMVER) && defined (SHARED) && defined (USE_LIBUNWIND_EXCEPTIONS)
alias (_Unwind_Find_FDE);
#endif