| /* Common definitions for Intel 386 and AMD x86-64 systems using |
| GNU userspace. Copyright (C) 2012-2015 Free Software Foundation, Inc. |
| Contributed by Ilya Enkovich. |
| |
| 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/>. */ |
| |
| /* 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 |
| |
| #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 GNU_USER_TARGET_CC1_SPEC |
| #define GNU_USER_TARGET_CC1_SPEC "%(cc1_cpu) %{profile:-p}" |
| |
| #undef CC1_SPEC |
| #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC |
| |
| /* Similar to standard GNU userspace, but adding -ffast-math support. */ |
| #define GNU_USER_TARGET_MATHFILE_SPEC \ |
| "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ |
| %{mpc32:crtprec32.o%s} \ |
| %{mpc64:crtprec64.o%s} \ |
| %{mpc80:crtprec80.o%s}" |
| |
| #undef ENDFILE_SPEC |
| #define ENDFILE_SPEC \ |
| GNU_USER_TARGET_MATHFILE_SPEC " " \ |
| GNU_USER_TARGET_ENDFILE_SPEC |
| |
| #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 |
| |
| /* We only build the -fsplit-stack support in libgcc if the |
| assembler has full support for the CFI directives. */ |
| #if HAVE_GAS_CFI_PERSONALITY_DIRECTIVE |
| #define TARGET_CAN_SPLIT_STACK |
| #endif |