config.host (x86_64-*-openbsd*): New target.
libgcc/ * config.host (x86_64-*-openbsd*): New target. gcc/ * config.gcc (x86_64-*-openbsd*): New target. * config.host (*-*-openbsd*): New target. * config/openbsd.h (TARGET_C99_FUNCTIONS): Define. * config/i386/openbsdelf.h: Remove some superfluous defines and group things together in a more logical fashion. (DBX_REGISTER_NUMBER): Provide a definition that works on both 32-bit and 64-bit targets. (WCHAR_TYPE_SIZE): Hardcode as 32. (NO_DOLLAR_IN_LABEL): Remove undef. (TARGET_DEFAULT): Remove. (SET_ASM_OP): Remove. (DEFAULT_PCC_STRUCT_RETURN): Undef first to prevent warning. (ASM_OUTPUT_MAX_SKIP_ALIGN): Synch with x86-64.h (DWARF2_UNWIND_INFO): Remove define. (HAVE_ENABLE_EXECUTE_STACK): Define. * config/host-openbsd.c: New file. * config/t-openbsd (USER_H): Add EXTRA_HEADERS. * config/x-openbsd: New file. From-SVN: r190863
This commit is contained in:
Mark Kettenis
Gerald Pfeifer
parent
ee86a05fd0
commit
613061fdd0
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@ -1,3 +1,24 @@
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2012-09-02 Mark Kettenis <kettenis@openbsd.org>
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* config.gcc (x86_64-*-openbsd*): New target.
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* config.host (*-*-openbsd*): New target.
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* config/openbsd.h (TARGET_C99_FUNCTIONS): Define.
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* config/i386/openbsdelf.h: Remove some superfluous defines and
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group things together in a more logical fashion.
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(DBX_REGISTER_NUMBER): Provide a
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definition that works on both 32-bit and 64-bit targets.
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(WCHAR_TYPE_SIZE): Hardcode as 32.
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(NO_DOLLAR_IN_LABEL): Remove undef.
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(TARGET_DEFAULT): Remove.
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(SET_ASM_OP): Remove.
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(DEFAULT_PCC_STRUCT_RETURN): Undef first to prevent warning.
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(ASM_OUTPUT_MAX_SKIP_ALIGN): Synch with x86-64.h
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(DWARF2_UNWIND_INFO): Remove define.
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(HAVE_ENABLE_EXECUTE_STACK): Define.
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* config/host-openbsd.c: New file.
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* config/t-openbsd (USER_H): Add EXTRA_HEADERS.
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* config/x-openbsd: New file.
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2012-09-02 Oleg Endo <olegendo@gcc.gnu.org>
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* config/sh/sh.md (*extend<mode>si2_compact_mem_disp): Pass iterated
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@ -1183,6 +1183,13 @@ i[34567]86-*-openbsd*)
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gas=yes
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gnu_ld=yes
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;;
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x86_64-*-openbsd*)
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tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h"
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tm_file="${tm_file} openbsd.h openbsd-stdint.h openbsd-libpthread.h i386/x86-64.h i386/openbsdelf.h"
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extra_options="${extra_options} openbsd.opt"
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gas=yes
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gnu_ld=yes
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;;
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i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu | i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu)
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# Intel 80386's running GNU/*
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# with ELF format using glibc 2
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@ -268,6 +268,10 @@ case ${host} in
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out_host_hook_obj=host-linux.o
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host_xmake_file="${host_xmake_file} x-linux"
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;;
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*-*-openbsd*)
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out_host_hook_obj=host-openbsd.o
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host_xmake_file="${host_xmake_file} x-openbsd"
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;;
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ia64-*-hpux*)
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use_long_long_for_widest_fast_int=yes
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out_host_hook_obj=host-hpux.o
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@ -0,0 +1,83 @@
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/* OpenBSD host-specific hook definitions.
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Copyright (C) 2004, 2007, 2008, 2010, 2011 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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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 GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "hosthooks.h"
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#include "hosthooks-def.h"
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#undef HOST_HOOKS_GT_PCH_GET_ADDRESS
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#define HOST_HOOKS_GT_PCH_GET_ADDRESS openbsd_gt_pch_get_address
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#undef HOST_HOOKS_GT_PCH_USE_ADDRESS
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#define HOST_HOOKS_GT_PCH_USE_ADDRESS openbsd_gt_pch_use_address
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/* For various ports, try to guess a fixed spot in the vm space
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that's probably free. */
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#if defined(__amd64__)
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# define TRY_EMPTY_VM_SPACE 0x400000000000
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#elif defined(__i386__)
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# define TRY_EMPTY_VM_SPACE 0xb0000000
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#else
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# define TRY_EMPTY_VM_SPACE 0
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#endif
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/* Determine a location where we might be able to reliably allocate
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SIZE bytes. FD is the PCH file, though we should return with the
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file unmapped. */
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static void *
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openbsd_gt_pch_get_address (size_t size, int fd)
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{
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void *addr;
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addr = mmap ((void *) TRY_EMPTY_VM_SPACE, size, PROT_READ | PROT_WRITE,
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MAP_PRIVATE, fd, 0);
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/* If we failed the map, that means there's *no* free space. */
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if (addr == (void *) MAP_FAILED)
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return NULL;
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/* Unmap the area before returning. */
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munmap (addr, size);
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return addr;
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}
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/* Map SIZE bytes of FD+OFFSET at BASE. Return 1 if we succeeded at
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mapping the data at BASE, -1 if we couldn't. */
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static int
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openbsd_gt_pch_use_address (void *base, size_t size, int fd, size_t offset)
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{
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void *addr;
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/* We're called with size == 0 if we're not planning to load a PCH
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file at all. This allows the hook to free any static space that
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we might have allocated at link time. */
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if (size == 0)
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return -1;
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addr = mmap (base, size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, offset);
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return addr == base ? 1 : -1;
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}
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const struct host_hooks host_hooks = HOST_HOOKS_INITIALIZER;
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@ -18,24 +18,6 @@ You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* This keeps us from using libraries compiled with the native cc, so
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undef it. */
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#undef NO_DOLLAR_IN_LABEL
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/* Override the default comment-starter of "/". */
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#undef ASM_COMMENT_START
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#define ASM_COMMENT_START "#"
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#undef DBX_REGISTER_NUMBER
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#define DBX_REGISTER_NUMBER(n) svr4_dbx_register_map[n]
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/* This goes away when the math-emulator is fixed */
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT \
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(MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387)
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/* Run-time target specifications */
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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{ \
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@ -43,17 +25,11 @@ along with GCC; see the file COPYING3. If not see
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} \
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while (0)
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/* As an elf system, we need crtbegin/crtend stuff. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC "\
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%{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
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crtbegin%O%s} %{shared:crtbeginS%O%s}"
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
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#undef DBX_REGISTER_NUMBER
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#define DBX_REGISTER_NUMBER(n) \
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(TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
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/* Layout of source language data types. */
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/* This must agree with <machine/ansi.h> */
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/* This must agree with <machine/_types.h>. */
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#undef SIZE_TYPE
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#define SIZE_TYPE "long unsigned int"
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@ -64,12 +40,20 @@ along with GCC; see the file COPYING3. If not see
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#define WCHAR_TYPE "int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE BITS_PER_WORD
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#define WCHAR_TYPE_SIZE 32
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#undef WINT_TYPE
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#define WINT_TYPE "int"
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/* Assembler format: overall framework. */
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/* Don't default to pcc-struct-return, because gcc is the only compiler, and
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we want to retain compatibility with older gcc versions. */
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#undef DEFAULT_PCC_STRUCT_RETURN
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#define DEFAULT_PCC_STRUCT_RETURN 0
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/* Override the default comment-starter of "/". */
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#undef ASM_COMMENT_START
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#define ASM_COMMENT_START "#"
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#undef ASM_APP_ON
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#define ASM_APP_ON "#APP\n"
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@ -77,51 +61,36 @@ along with GCC; see the file COPYING3. If not see
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#undef ASM_APP_OFF
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#define ASM_APP_OFF "#NO_APP\n"
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#undef SET_ASM_OP
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#define SET_ASM_OP "\t.set\t"
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/* A C statement to output to the stdio stream FILE an assembler
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command to advance the location counter to a multiple of 1<<LOG
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bytes if it is within MAX_SKIP bytes.
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/* The following macros were originally stolen from i386v4.h.
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These have to be defined to get PIC code correct. */
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/* Assembler format: dispatch tables. */
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/* Assembler format: sections. */
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/* Stack & calling: aggregate returns. */
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/* Don't default to pcc-struct-return, because gcc is the only compiler, and
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we want to retain compatibility with older gcc versions. */
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#define DEFAULT_PCC_STRUCT_RETURN 0
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/* Assembler format: alignment output. */
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This is used to align code labels according to Intel recommendations. */
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#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
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#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
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if ((LOG) != 0) {\
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if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
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else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
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}
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#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
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do { \
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if ((LOG) != 0) { \
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if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
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else { \
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fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
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/* Make sure that we have at least 8 byte alignment if > 8 byte \
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alignment is preferred. */ \
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if ((LOG) > 3 \
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&& (1 << (LOG)) > ((MAX_SKIP) + 1) \
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&& (MAX_SKIP) >= 7) \
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fputs ("\t.p2align 3\n", (FILE)); \
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} \
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} \
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} while (0)
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#endif
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/* Stack & calling: profiling. */
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/* OpenBSD's profiler recovers all information from the stack pointer.
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The icky part is not here, but in machine/profile.h. */
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The icky part is not here, but in <machine/profile.h>. */
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#undef FUNCTION_PROFILER
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#define FUNCTION_PROFILER(FILE, LABELNO) \
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fputs (flag_pic ? "\tcall __mcount@PLT\n": "\tcall __mcount\n", FILE);
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/* Assembler format: exception region output. */
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/* our configuration still doesn't handle dwarf2 correctly */
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#define DWARF2_UNWIND_INFO 0
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/* Assembler format: alignment output. */
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/* Note that we pick up ASM_OUTPUT_MAX_SKIP_ALIGN from i386/gas.h */
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/* Note that we pick up ASM_OUTPUT_MI_THUNK from unix.h. */
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#undef LINK_SPEC
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#define LINK_SPEC \
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"%{!shared:%{!nostdlib:%{!r:%{!e*:-e __start}}}} \
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@ -131,4 +100,14 @@ along with GCC; see the file COPYING3. If not see
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%{assert*} \
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-dynamic-linker /usr/libexec/ld.so"
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC "\
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%{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
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crtbegin%O%s} %{shared:crtbeginS%O%s}"
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
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#define OBSD_HAS_CORRECT_SPECS
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#define HAVE_ENABLE_EXECUTE_STACK
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@ -145,6 +145,10 @@ while (0)
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#endif
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#define TARGET_POSIX_IO
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/* All new versions of OpenBSD have C99 functions. */
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#define TARGET_C99_FUNCTIONS 1
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/* Runtime target specification. */
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@ -1,2 +1,2 @@
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# We don't need GCC's own include files.
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USER_H =
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USER_H = $(EXTRA_HEADERS)
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@ -0,0 +1,4 @@
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host-openbsd.o : $(srcdir)/config/host-openbsd.c $(CONFIG_H) $(SYSTEM_H) \
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coretypes.h hosthooks.h hosthooks-def.h $(HOOKS_H)
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$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
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$(srcdir)/config/host-openbsd.c
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@ -1,3 +1,7 @@
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2012-09-01 Mark Kettenis <kettenis@openbsd.org>
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* config.host (x86_64-*-openbsd*): New target.
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2012-08-29 Chung-Lin Tang <cltang@codesourcery.com>
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* config/mips/crtfastmath.c (set_fast_math): Add 'nomips16'
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@ -527,6 +527,8 @@ i[34567]86-*-openbsd2.*|i[34567]86-*openbsd3.[0123])
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;;
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i[34567]86-*-openbsd*)
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;;
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x86_64-*-openbsd*)
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;;
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i[34567]86-*-linux*)
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extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
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tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
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Loading…
Reference in New Issue