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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [i386/] [gnu-user64.h] - Rev 827
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/* Definitions for AMD x86-64 using GNU userspace. Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. Contributed by Jan Hubicka <jh@suse.cz>, based on linux.h. 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. 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. 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/>. */ #define TARGET_OS_CPP_BUILTINS() \ do \ { \ GNU_USER_TARGET_OS_CPP_BUILTINS(); \ } \ while (0) #undef CPP_SPEC #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" #undef CC1_SPEC #define CC1_SPEC "%(cc1_cpu) %{profile:-p}" /* 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 ix86_option_override_internal, as we never do pcc_struct_return scheme on this target. */ #undef DEFAULT_PCC_STRUCT_RETURN #define DEFAULT_PCC_STRUCT_RETURN 1 /* We arrange for the whole %fs segment to map the tls area. */ #undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT #define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS /* Provide a LINK_SPEC. Here we provide support for the special GCC options -static and -shared, which allow us to link things in one of these three modes by applying the appropriate combinations of options at link-time. When the -shared link option is used a final link is not being done. */ #if TARGET_64BIT_DEFAULT #define SPEC_32 "m32" #define SPEC_64 "m32|mx32:;" #define SPEC_X32 "mx32" #else #define SPEC_32 "m64|mx32:;" #define SPEC_64 "m64" #define SPEC_X32 "mx32" #endif #undef ASM_SPEC #define ASM_SPEC "%{" SPEC_32 ":--32} \ %{" SPEC_64 ":--64} \ %{" SPEC_X32 ":--x32} \ %{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}" #undef LINK_SPEC #define LINK_SPEC "%{" SPEC_64 ":-m " GNU_USER_LINK_EMULATION64 "} \ %{" SPEC_32 ":-m " GNU_USER_LINK_EMULATION32 "} \ %{" SPEC_X32 ":-m " GNU_USER_LINK_EMULATIONX32 "} \ %{shared:-shared} \ %{!shared: \ %{!static: \ %{rdynamic:-export-dynamic} \ %{" SPEC_32 ":-dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "} \ %{" SPEC_64 ":-dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \ %{" SPEC_X32 ":-dynamic-linker " GNU_USER_DYNAMIC_LINKERX32 "}} \ %{static:-static}}" /* Similar to standard GNU userspace, but adding -ffast-math support. */ #undef ENDFILE_SPEC #define ENDFILE_SPEC \ "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ %{mpc32:crtprec32.o%s} \ %{mpc64:crtprec64.o%s} \ %{mpc80:crtprec80.o%s} \ %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" #if TARGET_64BIT_DEFAULT #define MULTILIB_DEFAULTS { "m64" } #else #define MULTILIB_DEFAULTS { "m32" } #endif /* Put all *tf routines in libgcc. */ #undef LIBGCC2_HAS_TF_MODE #define LIBGCC2_HAS_TF_MODE 1 #define LIBGCC2_TF_CEXT q #define TF_SIZE 113 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack /* The stack pointer needs to be moved while checking the stack. */ #define STACK_CHECK_MOVING_SP 1 /* Static stack checking is supported by means of probes. */ #define STACK_CHECK_STATIC_BUILTIN 1 #ifdef TARGET_LIBC_PROVIDES_SSP /* i386 glibc provides __stack_chk_guard in %gs:0x14, x32 glibc provides it in %fs:0x18. x86_64 glibc provides it in %fs:0x28. */ #define TARGET_THREAD_SSP_OFFSET \ (TARGET_64BIT ? (TARGET_X32 ? 0x18 : 0x28) : 0x14) /* We steal the last transactional memory word. */ #define TARGET_CAN_SPLIT_STACK #define TARGET_THREAD_SPLIT_STACK_OFFSET \ (TARGET_64BIT ? (TARGET_X32 ? 0x40 : 0x70) : 0x30) #endif
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