projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 70a69509 | 1 | /* Common definitions for Intel 386 and AMD x86-64 systems using |
| 7adcbafe | 2 | GNU userspace. Copyright (C) 2012-2022 Free Software Foundation, Inc. |
| 70a69509 EI |
3 | Contributed by Ilya Enkovich. |
| 4 | ||
| 5 | This file is part of GCC. | |
| 6 | ||
| 7 | GCC is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 3, or (at your option) | |
| 10 | any later version. | |
| 11 | ||
| 12 | GCC is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with GCC; see the file COPYING3. If not see | |
| 19 | <http://www.gnu.org/licenses/>. */ | |
| 20 | ||
| 21 | /* The svr4 ABI for the i386 says that records and unions are returned | |
| 22 | in memory. In the 64bit compilation we will turn this flag off in | |
| 23 | ix86_option_override_internal, as we never do pcc_struct_return | |
| 24 | scheme on this target. */ | |
| 25 | #undef DEFAULT_PCC_STRUCT_RETURN | |
| 26 | #define DEFAULT_PCC_STRUCT_RETURN 1 | |
| 27 | ||
| 28 | /* We arrange for the whole %fs segment to map the tls area. */ | |
| 29 | #undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT | |
| 30 | #define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS | |
| 31 | ||
| 32 | #define TARGET_OS_CPP_BUILTINS() \ | |
| 33 | do \ | |
| 34 | { \ | |
| 35 | GNU_USER_TARGET_OS_CPP_BUILTINS(); \ | |
| 36 | } \ | |
| 37 | while (0) | |
| 38 | ||
| 39 | #undef CPP_SPEC | |
| 40 | #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" | |
| 41 | ||
| 6acc8a3c EI |
42 | #undef GNU_USER_TARGET_CC1_SPEC |
| 43 | #define GNU_USER_TARGET_CC1_SPEC "%(cc1_cpu) %{profile:-p}" | |
| 44 | ||
| 70a69509 | 45 | #undef CC1_SPEC |
| 6acc8a3c | 46 | #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC |
| 70a69509 EI |
47 | |
| 48 | /* Similar to standard GNU userspace, but adding -ffast-math support. */ | |
| 6acc8a3c | 49 | #define GNU_USER_TARGET_MATHFILE_SPEC \ |
| 70a69509 EI |
50 | "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ |
| 51 | %{mpc32:crtprec32.o%s} \ | |
| 52 | %{mpc64:crtprec64.o%s} \ | |
| 6acc8a3c EI |
53 | %{mpc80:crtprec80.o%s}" |
| 54 | ||
| 55 | #undef ENDFILE_SPEC | |
| 56 | #define ENDFILE_SPEC \ | |
| 57 | GNU_USER_TARGET_MATHFILE_SPEC " " \ | |
| 58 | GNU_USER_TARGET_ENDFILE_SPEC | |
| 70a69509 | 59 | |
| 70a69509 EI |
60 | #define TARGET_ASM_FILE_END file_end_indicate_exec_stack |
| 61 | ||
| 62 | /* The stack pointer needs to be moved while checking the stack. */ | |
| 63 | #define STACK_CHECK_MOVING_SP 1 | |
| 64 | ||
| 65 | /* Static stack checking is supported by means of probes. */ | |
| 66 | #define STACK_CHECK_STATIC_BUILTIN 1 | |
| 728f661c UB |
67 | |
| 68 | /* We only build the -fsplit-stack support in libgcc if the | |
| 69 | assembler has full support for the CFI directives. */ | |
| 70 | #if HAVE_GAS_CFI_PERSONALITY_DIRECTIVE | |
| 71 | #define TARGET_CAN_SPLIT_STACK | |
| 72 | #endif |