1 /* Configuration for an i386 running GNU with ELF as the target machine. */ 2 3 /* 4 Copyright (C) 1994-2021 Free Software Foundation, Inc. 5 6 This file is part of GCC. 7 8 GCC is free software: you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation, either version 3 of the License, or 11 (at your option) any later version. 12 13 GCC is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC. If not, see <http://www.gnu.org/licenses/>. 20 */ 21 22 #define GNU_USER_LINK_EMULATION "elf_i386" 23 24 #undef GNU_USER_DYNAMIC_LINKER 25 #define GNU_USER_DYNAMIC_LINKER "/lib/ld.so" 26 27 #undef STARTFILE_SPEC 28 #if defined HAVE_LD_PIE 29 #define STARTFILE_SPEC \ 30 "%{!shared: %{pg|p|profile:%{static:gcrt0.o%s;:gcrt1.o%s};pie:Scrt1.o%s;static:crt0.o%s;:crt1.o%s}} \ 31 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" 32 #else 33 #define STARTFILE_SPEC \ 34 "%{!shared: %{pg|p|profile:%{static:gcrt0.o%s;:gcrt1.o%s};static:crt0.o%s;:crt1.o%s}} \ 35 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" 36 #endif 37 38 #ifdef TARGET_LIBC_PROVIDES_SSP 39 40 /* i386 glibc provides __stack_chk_guard in %gs:0x14. */ 41 #define TARGET_THREAD_SSP_OFFSET 0x14 42 43 /* We only build the -fsplit-stack support in libgcc if the 44 assembler has full support for the CFI directives. */ 45 #if HAVE_GAS_CFI_PERSONALITY_DIRECTIVE 46 #define TARGET_CAN_SPLIT_STACK 47 #endif 48 /* We steal the last transactional memory word. */ 49 #define TARGET_THREAD_SPLIT_STACK_OFFSET 0x30 50 #endif 51