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/* Definitions for LoongArch systems using GNU (glibc-based) userspace,
or other userspace with libc derived from glibc.
Copyright (C) 2021-2022 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* Define the size of the wide character type. */
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
/* GNU-specific SPEC definitions. */
#define GNU_USER_LINK_EMULATION "elf" ABI_GRLEN_SPEC "loongarch"
#undef GLIBC_DYNAMIC_LINKER
#define GLIBC_DYNAMIC_LINKER \
"/lib" ABI_GRLEN_SPEC "/ld-linux-loongarch-" ABI_SPEC ".so.1"
#undef MUSL_DYNAMIC_LINKER
#define MUSL_DYNAMIC_LINKER \
"/lib" ABI_GRLEN_SPEC "/ld-musl-loongarch-" ABI_SPEC ".so.1"
#undef GNU_USER_TARGET_LINK_SPEC
#define GNU_USER_TARGET_LINK_SPEC \
"%{G*} %{shared} -m " GNU_USER_LINK_EMULATION \
"%{!shared: %{static} " \
"%{!static: %{!static-pie: %{rdynamic:-export-dynamic} " \
"-dynamic-linker " GNU_USER_DYNAMIC_LINKER "}} " \
"%{static-pie: -static -pie --no-dynamic-linker -z text}}"
/* Similar to standard Linux, but adding -ffast-math support. */
#undef GNU_USER_TARGET_MATHFILE_SPEC
#define GNU_USER_TARGET_MATHFILE_SPEC \
"%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
#undef LIB_SPEC
#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
#undef LINK_SPEC
#define LINK_SPEC GNU_USER_TARGET_LINK_SPEC
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
GNU_USER_TARGET_MATHFILE_SPEC " " \
GNU_USER_TARGET_ENDFILE_SPEC
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
/* A standard GNU/Linux mapping. On most targets, it is included in
CC1_SPEC itself by config/linux.h, but loongarch.h overrides CC1_SPEC
and provides this hook instead. */
#undef SUBTARGET_CC1_SPEC
#define SUBTARGET_CC1_SPEC GNU_USER_TARGET_CC1_SPEC
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
GNU_USER_TARGET_OS_CPP_BUILTINS (); \
/* The GNU C++ standard library requires this. */ \
if (c_dialect_cxx ()) \
builtin_define ("_GNU_SOURCE"); \
} \
while (0)
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