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