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1 /* Machine description for AArch64 architecture.
2 Copyright (C) 2009-2024 Free Software Foundation, Inc.
3 Contributed by ARM Ltd.
5 This file is part of GCC.
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)
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.
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/>. */
21 #ifndef GCC_AARCH64_LINUX_H
22 #define GCC_AARCH64_LINUX_H
24 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64%{mbig-endian:_be}%{mabi=ilp32:_ilp32}.so.1"
26 #undef MUSL_DYNAMIC_LINKER
27 #define MUSL_DYNAMIC_LINKER "/lib/ld-musl-aarch64%{mbig-endian:_be}%{mabi=ilp32:_ilp32}.so.1"
30 #define ASAN_CC1_SPEC "%{%:sanitize(address):-funwind-tables}"
33 #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC ASAN_CC1_SPEC
35 #define CPP_SPEC "%{pthread:-D_REENTRANT}"
37 #define LINUX_TARGET_LINK_SPEC "%{h*} \
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} \
46 %{mbig-endian:-EB} %{mlittle-endian:-EL} \
47 -maarch64linux%{mabi=ilp32:32}%{mbig-endian:b}"
50 #define LINK_SPEC LINUX_TARGET_LINK_SPEC AARCH64_ERRATA_LINK_SPEC
52 #define GNU_USER_TARGET_MATHFILE_SPEC \
53 "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
56 #define ENDFILE_SPEC \
57 GNU_USER_TARGET_MATHFILE_SPEC " " \
58 GNU_USER_TARGET_ENDFILE_SPEC
60 #define TARGET_OS_CPP_BUILTINS() \
63 GNU_USER_TARGET_OS_CPP_BUILTINS(); \
67 #define TARGET_ASM_FILE_END aarch64_file_end_indicate_exec_stack
69 /* Uninitialized common symbols in non-PIE executables, even with
70 strong definitions in dependent shared libraries, will resolve
71 to COPY relocated symbol in the executable. See PR65780. */
72 #undef TARGET_BINDS_LOCAL_P
73 #define TARGET_BINDS_LOCAL_P default_binds_local_p_2
75 /* Define this to be nonzero if static stack checking is supported. */
76 #define STACK_CHECK_STATIC_BUILTIN 1
78 #endif /* GCC_AARCH64_LINUX_H */