81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/* Definitions for LoongArch systems using GNU (glibc-based) userspace,
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or other userspace with libc derived from glibc.
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Copyright (C) 2021-2022 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* Define the size of the wide character type. */
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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/* GNU-specific SPEC definitions. */
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#define GNU_USER_LINK_EMULATION "elf" ABI_GRLEN_SPEC "loongarch"
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#undef GLIBC_DYNAMIC_LINKER
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#define GLIBC_DYNAMIC_LINKER \
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"/lib" ABI_GRLEN_SPEC "/ld-linux-loongarch-" ABI_SPEC ".so.1"
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#undef MUSL_DYNAMIC_LINKER
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#define MUSL_DYNAMIC_LINKER \
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"/lib" ABI_GRLEN_SPEC "/ld-musl-loongarch-" ABI_SPEC ".so.1"
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#undef GNU_USER_TARGET_LINK_SPEC
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#define GNU_USER_TARGET_LINK_SPEC \
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"%{G*} %{shared} -m " GNU_USER_LINK_EMULATION \
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"%{!shared: %{static} %{!static: %{rdynamic:-export-dynamic} " \
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"-dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}"
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/* Similar to standard Linux, but adding -ffast-math support. */
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#undef GNU_USER_TARGET_MATHFILE_SPEC
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#define GNU_USER_TARGET_MATHFILE_SPEC \
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"%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
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#undef LIB_SPEC
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#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
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#undef LINK_SPEC
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#define LINK_SPEC GNU_USER_TARGET_LINK_SPEC
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC \
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GNU_USER_TARGET_MATHFILE_SPEC " " \
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GNU_USER_TARGET_ENDFILE_SPEC
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#undef SUBTARGET_CPP_SPEC
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#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
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/* A standard GNU/Linux mapping. On most targets, it is included in
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CC1_SPEC itself by config/linux.h, but loongarch.h overrides CC1_SPEC
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and provides this hook instead. */
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#undef SUBTARGET_CC1_SPEC
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#define SUBTARGET_CC1_SPEC GNU_USER_TARGET_CC1_SPEC
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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{ \
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GNU_USER_TARGET_OS_CPP_BUILTINS (); \
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/* The GNU C++ standard library requires this. */ \
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if (c_dialect_cxx ()) \
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builtin_define ("_GNU_SOURCE"); \
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} \
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while (0)
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