config.gcc (ia64*-*-aix*): Remove.
* config.gcc (ia64*-*-aix*): Remove.
* config/ia64/aix.h, config/ia64/t-aix: Remove file.
* config/ia64/unwind-aix.c: Remove file.
From-SVN: r62043
This commit is contained in:
Richard Henderson
Richard Henderson
parent
db2cd5e6c0
commit
021aa6ed6f
@ -1,3 +1,9 @@
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2003-01-28 Richard Henderson <rth@redhat.com>
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* config.gcc (ia64*-*-aix*): Remove.
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* config/ia64/aix.h, config/ia64/t-aix: Remove file.
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* config/ia64/unwind-aix.c: Remove file.
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2003-01-28 Andreas Schwab <schwab@suse.de>
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* config/m68k/m68k.md (tablejump+2): Don't sign extend an address
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@ -1382,12 +1382,6 @@ i960-*-*) # Default i960 environment.
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c_target_objs="i960-c.o"
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cxx_target_objs="i960-c.o"
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;;
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ia64*-*-aix*)
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tm_file="${tm_file} dbxelf.h elfos.h svr4.h ia64/sysv4.h ia64/aix.h"
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tmake_file="ia64/t-ia64 ia64/t-aix"
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target_cpu_default="MASK_GNU_AS|MASK_GNU_LD"
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extra_parts="crti.o crtn.o crtbegin.o crtend.o crtbeginS.o crtendS.o"
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;;
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ia64*-*-elf*)
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tm_file="${tm_file} dbxelf.h elfos.h ia64/sysv4.h ia64/elf.h"
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tmake_file="ia64/t-ia64"
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@ -1,159 +0,0 @@
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/* Definitions of target machine GNU compiler. IA-64/AIX version.
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Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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Contributed by Timothy Wall (twall@cygnus.com)
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* AIX5 (aka Monterey): a mix of AIX and UnixWare.
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This file is loosely based on ia64/linux.h. */
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/* This macro is a C statement to print on `stderr' a string describing the
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particular machine description choice. */
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#define TARGET_VERSION fprintf (stderr, " (IA-64) AIX");
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#undef ASM_APP_ON
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#define ASM_APP_ON "#APP\n"
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#undef ASM_APP_OFF
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#define ASM_APP_OFF "#NO_APP\n"
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#define SET_ASM_OP "\t.set\t"
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#undef MD_EXEC_PREFIX
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#undef MD_STARTFILE_PREFIX
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#define MD_STARTFILE_PREFIX "/usr/lib/ia64l64/"
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/* Output at beginning of assembler file. */
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/* The .file command should always begin the output. */
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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do { \
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output_file_directive (FILE, main_input_filename); \
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fprintf (FILE, "\t.version\t\"01.01\"\n"); \
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} while (0)
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/* Provide a STARTFILE_SPEC appropriate for AIX. Here we add
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the crti C++ startup files file which provide part of the support
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for getting C++ file-scope static object constructed before entering
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`main'. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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"%{!shared: \
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%{pg:gcrt1_64.o%s} %{!pg:%{p:mcrt1_64.o%s} \
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%{!p:%{profile:gcrt1_64.o%s} \
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%{!profile:crt1_64.o%s}}}} \
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crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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/* Provide a ENDFILE_SPEC appropriate for AIX. Here we tack on
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the crtn file which provides termination of the support for getting C++
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file-scope static object constructed before entering `main'. */
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
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/* Define this so we can compile MS code for use with WINE. */
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#define HANDLE_PRAGMA_PACK_PUSH_POP
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/* Target OS builtins. */
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#define TARGET_OS_CPP_BUILTINS() \
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do { \
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if (flag_iso) \
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builtin_define("_ANSI_C_SOURCE"); \
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builtin_define("_AIX"); \
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builtin_define("_AIX64"); \
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builtin_define("unix"); \
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builtin_assert("system=unix"); \
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builtin_assert("system=aix"); \
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builtin_define("__64BIT__"); \
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builtin_define("_LONG_LONG"); \
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builtin_define("_IA64"); \
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builtin_define("__int128=__size128_t"); \
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if (c_language == clk_cplusplus) \
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{ \
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builtin_define("_XOPEN_SOURCE=500"); \
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builtin_define("_XOPEN_SOURCE_EXTENDED=1"); \
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builtin_define("_LARGE_FILE_API"); \
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builtin_define("_ALL_SOURCE"); \
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} \
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} while (0)
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/* A C string constant that tells the GNU CC driver program options to pass to
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CPP. It can also specify how to translate options you give to GNU CC into
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options for GNU CC to pass to the CPP. */
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#undef CPP_SPEC
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#define CPP_SPEC "\
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%{posix:-D_POSIX_SOURCE}"
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/* Define this for shared library support. */
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#undef LINK_SPEC
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#define LINK_SPEC "\
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%{shared:-shared} \
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%{!shared: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker /usr/lib/ia64l64/libc.so.1}} \
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%{static:-static}}"
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#define JMP_BUF_SIZE 85
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/* A C statement or compound statement to output to FILE some assembler code to
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call the profiling subroutine `mcount'.
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FIXME this is not supported until xlC supports it and can thus tell us
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how to do it.
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*/
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#undef FUNCTION_PROFILER
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#define FUNCTION_PROFILER(FILE, LABELNO) \
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do { \
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} while (0)
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/* Tell the linker where to find the crt*.o files. */
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#ifndef CROSS_COMPILE
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#undef STANDARD_STARTFILE_PREFIX
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#define STANDARD_STARTFILE_PREFIX "/usr/lib/ia64l64/"
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#endif
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/* It is illegal to have relocations in shared segments on AIX.
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Pretend flag_pic is always set. */
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#undef TARGET_ASM_SELECT_SECTION
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#define TARGET_ASM_SELECT_SECTION ia64_rwreloc_select_section
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#undef TARGET_ASM_UNIQUE_SECTION
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#define TARGET_ASM_UNIQUE_SECTION ia64_rwreloc_unique_section
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#undef TARGET_ASM_SELECT_RTX_SECTION
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#define TARGET_ASM_SELECT_RTX_SECTION ia64_rwreloc_select_rtx_section
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/* Override ia64/sysv4.h setting with that used by AIX5. */
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#undef WCHAR_TYPE
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#ifdef __64BIT__
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#define WCHAR_TYPE "unsigned int"
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#else
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#define WCHAR_TYPE "unsigned short"
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#endif
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/* Define the `__builtin_va_list' type for AIX. Use char* b/c that's what the
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system headers expect. */
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#define BUILD_VA_LIST_TYPE(VALIST) \
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(VALIST) = build_pointer_type(char_type_node)
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/* End of aix.h */
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@ -1,15 +0,0 @@
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# AIX support
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# Compile crtbeginS.o and crtendS.o with pic.
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CRTSTUFF_T_CFLAGS_S = -fPIC
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# Compile libgcc2.a with pic and defines required by AIX headers
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TARGET_LIBGCC2_CFLAGS = -fPIC -D__64BIT__ -D_LONG_LONG -D_IA64 -D__int128=__size128_t
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LIB2ADDEH += $(srcdir)/config/ia64/unwind-aix.c
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# Assemble startup files.
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crti.o: $(srcdir)/config/ia64/crti.asm $(GCC_PASSES)
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$(GCC_FOR_TARGET) -c -o crti.o -x assembler $(srcdir)/config/ia64/crti.asm
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crtn.o: $(srcdir)/config/ia64/crtn.asm $(GCC_PASSES)
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$(GCC_FOR_TARGET) -c -o crtn.o -x assembler $(srcdir)/config/ia64/crtn.asm
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# end t-aix
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@ -1,120 +0,0 @@
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/* Implements unwind table entry lookup for AIX (cf. fde-glibc.c).
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Copyright (C) 2001, 2002 Free Software Foundation, Inc.
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Contributed by Timothy Wall <twall@redhat.com>
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "tconfig.h"
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#include "tsystem.h"
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#include "unwind.h"
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#include "unwind-ia64.h"
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#include <dlfcn.h>
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#include <link.h>
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#include <sys/mman.h>
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static struct unw_table_entry *
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find_fde_for_dso (Elf64_Addr pc, rt_link_map *map,
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unsigned long* pseg_base, unsigned long* pgp)
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{
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rt_segment *seg;
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Elf64_Addr seg_base;
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struct unw_table_entry *f_base;
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size_t lo, hi;
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/* See if PC falls into one of the loaded segments. */
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for (seg = map->l_segments; seg; seg = (rt_segment *)seg->s_next)
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{
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if (pc >= seg->s_map_addr && pc < seg->s_map_addr + seg->s_mapsz)
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break;
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}
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if (!seg)
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return NULL;
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/* Search for the entry within the unwind table. */
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f_base = (struct unw_table_entry *) (map->l_unwind_table);
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seg_base = (Elf64_Addr) seg->s_map_addr;
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lo = 0;
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hi = map->l_unwind_sz / sizeof (struct unw_table_entry);
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while (lo < hi)
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{
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size_t mid = (lo + hi) / 2;
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struct unw_table_entry *f = f_base + mid;
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if (pc < f->start_offset + seg_base)
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hi = mid;
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else if (pc >= f->end_offset + seg_base)
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lo = mid + 1;
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else {
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/* AIX executables are *always* dynamic. Look up GP for this
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object. */
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Elf64_Dyn *dyn = map->l_ld;
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*pgp = 0;
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for (; dyn->d_tag != DT_NULL ; dyn++)
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{
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if (dyn->d_tag == DT_PLTGOT)
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{
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*pgp = dyn->d_un.d_ptr;
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break;
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}
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}
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*pseg_base = seg_base;
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return f;
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}
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}
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return NULL;
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}
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/* Return a pointer to the unwind table entry for the function containing
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PC. */
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struct unw_table_entry *
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_Unwind_FindTableEntry (void *pc, unsigned long *pseg_base, unsigned long *pgp)
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{
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extern rt_r_debug _r_debug;
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struct unw_table_entry *ret;
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rt_link_map *map = _r_debug.r_map; /* address of link map */
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/* Check the main application first, hoping that most of the user's
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code is there instead of in some library. */
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ret = find_fde_for_dso ((Elf64_Addr)pc, map, pseg_base, pgp);
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if (ret)
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{
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/* If we're in the main application, use the current GP value. */
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register unsigned long gp __asm__("gp");
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*pgp = gp;
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return ret;
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}
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/* FIXME need a DSO lock mechanism for AIX here, to ensure shared
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libraries aren't changed while we're examining them. */
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for (map = _r_debug.r_map; map; map = map->l_next)
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{
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/* Skip the main application's entry. */
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if (!map->l_name)
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continue;
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ret = find_fde_for_dso ((Elf64_Addr)pc, map, pseg_base, pgp);
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if (ret)
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break;
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}
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/* FIXME need a DSO unlock mechanism for AIX here. */
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return ret;
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}
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