/* Definitions for AMD x86-64 running Linux-based GNU systems with ELF format.
|
/* Definitions for AMD x86-64 running Linux-based GNU systems with ELF format.
|
Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010
|
Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010
|
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
|
Contributed by Jan Hubicka <jh@suse.cz>, based on linux.h.
|
Contributed by Jan Hubicka <jh@suse.cz>, based on linux.h.
|
|
|
This file is part of GCC.
|
This file is part of GCC.
|
|
|
GCC is free software; you can redistribute it and/or modify
|
GCC is free software; you can redistribute it and/or modify
|
it under the terms of the GNU General Public License as published by
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3, or (at your option)
|
the Free Software Foundation; either version 3, or (at your option)
|
any later version.
|
any later version.
|
|
|
GCC is distributed in the hope that it will be useful,
|
GCC is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
Under Section 7 of GPL version 3, you are granted additional
|
permissions described in the GCC Runtime Library Exception, version
|
permissions described in the GCC Runtime Library Exception, version
|
3.1, as published by the Free Software Foundation.
|
3.1, as published by the Free Software Foundation.
|
|
|
You should have received a copy of the GNU General Public License and
|
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;
|
a copy of the GCC Runtime Library Exception along with this program;
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
<http://www.gnu.org/licenses/>. */
|
<http://www.gnu.org/licenses/>. */
|
|
|
#if TARGET_64BIT_DEFAULT
|
#if TARGET_64BIT_DEFAULT
|
#define TARGET_VERSION fprintf (stderr, " (x86-64 Linux/ELF)");
|
#define TARGET_VERSION fprintf (stderr, " (x86-64 Linux/ELF)");
|
#else
|
#else
|
#define TARGET_VERSION fprintf (stderr, " (i386 Linux/ELF)");
|
#define TARGET_VERSION fprintf (stderr, " (i386 Linux/ELF)");
|
#endif
|
#endif
|
|
|
#define TARGET_OS_CPP_BUILTINS() \
|
#define TARGET_OS_CPP_BUILTINS() \
|
do \
|
do \
|
{ \
|
{ \
|
LINUX_TARGET_OS_CPP_BUILTINS(); \
|
LINUX_TARGET_OS_CPP_BUILTINS(); \
|
} \
|
} \
|
while (0)
|
while (0)
|
|
|
#undef CPP_SPEC
|
#undef CPP_SPEC
|
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
|
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
|
|
|
/* The svr4 ABI for the i386 says that records and unions are returned
|
/* The svr4 ABI for the i386 says that records and unions are returned
|
in memory. In the 64bit compilation we will turn this flag off in
|
in memory. In the 64bit compilation we will turn this flag off in
|
override_options, as we never do pcc_struct_return scheme on this target. */
|
override_options, as we never do pcc_struct_return scheme on this target. */
|
#undef DEFAULT_PCC_STRUCT_RETURN
|
#undef DEFAULT_PCC_STRUCT_RETURN
|
#define DEFAULT_PCC_STRUCT_RETURN 1
|
#define DEFAULT_PCC_STRUCT_RETURN 1
|
|
|
/* We arrange for the whole %fs segment to map the tls area. */
|
/* We arrange for the whole %fs segment to map the tls area. */
|
#undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT
|
#undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT
|
#define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS
|
#define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS
|
|
|
/* Provide a LINK_SPEC. Here we provide support for the special GCC
|
/* Provide a LINK_SPEC. Here we provide support for the special GCC
|
options -static and -shared, which allow us to link things in one
|
options -static and -shared, which allow us to link things in one
|
of these three modes by applying the appropriate combinations of
|
of these three modes by applying the appropriate combinations of
|
options at link-time.
|
options at link-time.
|
|
|
When the -shared link option is used a final link is not being
|
When the -shared link option is used a final link is not being
|
done. */
|
done. */
|
|
|
#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
|
#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
|
#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
|
#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
|
|
|
#if TARGET_64BIT_DEFAULT
|
#if TARGET_64BIT_DEFAULT
|
#define SPEC_32 "m32"
|
#define SPEC_32 "m32"
|
#define SPEC_64 "!m32"
|
#define SPEC_64 "!m32"
|
#else
|
#else
|
#define SPEC_32 "!m64"
|
#define SPEC_32 "!m64"
|
#define SPEC_64 "m64"
|
#define SPEC_64 "m64"
|
#endif
|
#endif
|
|
|
#undef ASM_SPEC
|
#undef ASM_SPEC
|
#define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} \
|
#define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} \
|
%{Wa,*:%*} %{" SPEC_32 ":--32} %{" SPEC_64 ":--64} \
|
%{Wa,*:%*} %{" SPEC_32 ":--32} %{" SPEC_64 ":--64} \
|
%{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}"
|
%{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}"
|
|
|
#undef LINK_SPEC
|
#undef LINK_SPEC
|
#define LINK_SPEC "%{" SPEC_64 ":-m elf_x86_64} %{" SPEC_32 ":-m elf_i386} \
|
#define LINK_SPEC "%{" SPEC_64 ":-m elf_x86_64} %{" SPEC_32 ":-m elf_i386} \
|
%{shared:-shared} \
|
%{shared:-shared} \
|
%{!shared: \
|
%{!shared: \
|
%{!static: \
|
%{!static: \
|
%{rdynamic:-export-dynamic} \
|
%{rdynamic:-export-dynamic} \
|
%{" SPEC_32 ":%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "}} \
|
%{" SPEC_32 ":%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "}} \
|
%{" SPEC_64 ":%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}}} \
|
%{" SPEC_64 ":%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}}} \
|
%{static:-static}}"
|
%{static:-static}}"
|
|
|
/* Similar to standard Linux, but adding -ffast-math support. */
|
/* Similar to standard Linux, but adding -ffast-math support. */
|
#undef ENDFILE_SPEC
|
#undef ENDFILE_SPEC
|
#define ENDFILE_SPEC \
|
#define ENDFILE_SPEC \
|
"%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
|
"%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
|
%{mpc32:crtprec32.o%s} \
|
%{mpc32:crtprec32.o%s} \
|
%{mpc64:crtprec64.o%s} \
|
%{mpc64:crtprec64.o%s} \
|
%{mpc80:crtprec80.o%s} \
|
%{mpc80:crtprec80.o%s} \
|
%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
|
%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
|
|
|
#if TARGET_64BIT_DEFAULT
|
#if TARGET_64BIT_DEFAULT
|
#define MULTILIB_DEFAULTS { "m64" }
|
#define MULTILIB_DEFAULTS { "m64" }
|
#else
|
#else
|
#define MULTILIB_DEFAULTS { "m32" }
|
#define MULTILIB_DEFAULTS { "m32" }
|
#endif
|
#endif
|
|
|
/* Put all *tf routines in libgcc. */
|
/* Put all *tf routines in libgcc. */
|
#undef LIBGCC2_HAS_TF_MODE
|
#undef LIBGCC2_HAS_TF_MODE
|
#define LIBGCC2_HAS_TF_MODE 1
|
#define LIBGCC2_HAS_TF_MODE 1
|
#define LIBGCC2_TF_CEXT q
|
#define LIBGCC2_TF_CEXT q
|
#define TF_SIZE 113
|
#define TF_SIZE 113
|
|
|
#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
|
#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
|
|
|
#define MD_UNWIND_SUPPORT "config/i386/linux-unwind.h"
|
#define MD_UNWIND_SUPPORT "config/i386/linux-unwind.h"
|
|
|
/* The stack pointer needs to be moved while checking the stack. */
|
/* The stack pointer needs to be moved while checking the stack. */
|
#define STACK_CHECK_MOVING_SP 1
|
#define STACK_CHECK_MOVING_SP 1
|
|
|
/* This macro may be overridden in i386/k*bsd-gnu.h. */
|
/* This macro may be overridden in i386/k*bsd-gnu.h. */
|
#define REG_NAME(reg) reg
|
#define REG_NAME(reg) reg
|
|
|
#ifdef TARGET_LIBC_PROVIDES_SSP
|
#ifdef TARGET_LIBC_PROVIDES_SSP
|
/* i386 glibc provides __stack_chk_guard in %gs:0x14,
|
/* i386 glibc provides __stack_chk_guard in %gs:0x14,
|
x86_64 glibc provides it in %fs:0x28. */
|
x86_64 glibc provides it in %fs:0x28. */
|
#define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? 0x28 : 0x14)
|
#define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? 0x28 : 0x14)
|
#endif
|
#endif
|
|
|
