1 /* Machine description for AArch64 architecture. 2 Copyright (C) 2009-2018 Free Software Foundation, Inc. 3 Contributed by ARM Ltd. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it 8 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, but 13 WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 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 #ifndef GCC_AARCH64_LINUX_H 22 #define GCC_AARCH64_LINUX_H 23 24 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64%{mbig-endian:_be}%{mabi=ilp32:_ilp32}.so.1" 25 26 #undef MUSL_DYNAMIC_LINKER 27 #define MUSL_DYNAMIC_LINKER "/lib/ld-musl-aarch64%{mbig-endian:_be}%{mabi=ilp32:_ilp32}.so.1" 28 29 #undef ASAN_CC1_SPEC 30 #define ASAN_CC1_SPEC "%{%:sanitize(address):-funwind-tables}" 31 32 #undef CC1_SPEC 33 #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC ASAN_CC1_SPEC 34 35 #define CPP_SPEC "%{pthread:-D_REENTRANT}" 36 37 #define LINUX_TARGET_LINK_SPEC "%{h*} \ 38 %{static:-Bstatic} \ 39 %{shared:-shared} \ 40 %{symbolic:-Bsymbolic} \ 41 %{!static:%{!static-pie: \ 42 %{rdynamic:-export-dynamic} \ 43 %{!shared:-dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}} \ 44 %{static-pie:-Bstatic -pie --no-dynamic-linker -z text} \ 45 -X \ 46 %{mbig-endian:-EB} %{mlittle-endian:-EL} \ 47 -maarch64linux%{mabi=ilp32:32}%{mbig-endian:b}" 48 49 #if TARGET_FIX_ERR_A53_835769_DEFAULT 50 #define CA53_ERR_835769_SPEC \ 51 " %{!mno-fix-cortex-a53-835769:--fix-cortex-a53-835769}" 52 #else 53 #define CA53_ERR_835769_SPEC \ 54 " %{mfix-cortex-a53-835769:--fix-cortex-a53-835769}" 55 #endif 56 57 #if TARGET_FIX_ERR_A53_843419_DEFAULT 58 #define CA53_ERR_843419_SPEC \ 59 " %{!mno-fix-cortex-a53-843419:--fix-cortex-a53-843419}" 60 #else 61 #define CA53_ERR_843419_SPEC \ 62 " %{mfix-cortex-a53-843419:--fix-cortex-a53-843419}" 63 #endif 64 65 #define LINK_SPEC LINUX_TARGET_LINK_SPEC \ 66 CA53_ERR_835769_SPEC \ 67 CA53_ERR_843419_SPEC 68 69 #define GNU_USER_TARGET_MATHFILE_SPEC \ 70 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}" 71 72 #undef ENDFILE_SPEC 73 #define ENDFILE_SPEC \ 74 GNU_USER_TARGET_MATHFILE_SPEC " " \ 75 GNU_USER_TARGET_ENDFILE_SPEC 76 77 #define TARGET_OS_CPP_BUILTINS() \ 78 do \ 79 { \ 80 GNU_USER_TARGET_OS_CPP_BUILTINS(); \ 81 } \ 82 while (0) 83 84 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack 85 86 /* Uninitialized common symbols in non-PIE executables, even with 87 strong definitions in dependent shared libraries, will resolve 88 to COPY relocated symbol in the executable. See PR65780. */ 89 #undef TARGET_BINDS_LOCAL_P 90 #define TARGET_BINDS_LOCAL_P default_binds_local_p_2 91 92 /* Define this to be nonzero if static stack checking is supported. */ 93 #define STACK_CHECK_STATIC_BUILTIN 1 94 95 #endif /* GCC_AARCH64_LINUX_H */ 96