1  /* Machine description for AArch64 architecture.
       2     Copyright (C) 2009-2023 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  
      50  #define LINK_SPEC LINUX_TARGET_LINK_SPEC AARCH64_ERRATA_LINK_SPEC
      51  
      52  #define GNU_USER_TARGET_MATHFILE_SPEC \
      53    "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
      54  
      55  #undef ENDFILE_SPEC
      56  #define ENDFILE_SPEC   \
      57    GNU_USER_TARGET_MATHFILE_SPEC " " \
      58    GNU_USER_TARGET_ENDFILE_SPEC
      59  
      60  #define TARGET_OS_CPP_BUILTINS()		\
      61    do						\
      62      {						\
      63  	GNU_USER_TARGET_OS_CPP_BUILTINS();	\
      64      }						\
      65    while (0)
      66  
      67  #define TARGET_ASM_FILE_END aarch64_file_end_indicate_exec_stack
      68  
      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
      74  
      75  /* Define this to be nonzero if static stack checking is supported.  */
      76  #define STACK_CHECK_STATIC_BUILTIN 1
      77  
      78  #endif  /* GCC_AARCH64_LINUX_H */