| /* Definitions for AMD x86-64 using GNU userspace. |
| Copyright (C) 2001-2015 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/>. */ |
| |
| /* 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 "m16|m32" |
| #if TARGET_BI_ARCH == 2 |
| #define SPEC_64 "m64" |
| #define SPEC_X32 "m16|m32|m64:;" |
| #else |
| #define SPEC_64 "m16|m32|mx32:;" |
| #define SPEC_X32 "mx32" |
| #endif |
| #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}}" |
| |
| #define GNU_USER_TARGET_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}}" |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC GNU_USER_TARGET_LINK_SPEC |
| |
| #if TARGET_64BIT_DEFAULT |
| #if TARGET_BI_ARCH == 2 |
| #define MULTILIB_DEFAULTS { "mx32" } |
| #else |
| #define MULTILIB_DEFAULTS { "m64" } |
| #endif |
| #else |
| #define MULTILIB_DEFAULTS { "m32" } |
| #endif |
| |
| #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_THREAD_SPLIT_STACK_OFFSET \ |
| (TARGET_64BIT ? (TARGET_X32 ? 0x40 : 0x70) : 0x30) |
| #endif |
| |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE (TARGET_LP64 ? "int" : "long int") |