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/* Definitions for RISC-V GNU/Linux systems with ELF format.
Copyright (C) 1998-2022 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 TARGET_OS_CPP_BUILTINS() \
do { \
GNU_USER_TARGET_OS_CPP_BUILTINS(); \
} while (0)
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-riscv" XLEN_SPEC "-" ABI_SPEC ".so.1"
#define MUSL_ABI_SUFFIX \
"%{mabi=ilp32:-sf}" \
"%{mabi=ilp32f:-sp}" \
"%{mabi=ilp32d:}" \
"%{mabi=lp64:-sf}" \
"%{mabi=lp64f:-sp}" \
"%{mabi=lp64d:}"
#undef MUSL_DYNAMIC_LINKER
#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-riscv" XLEN_SPEC MUSL_ABI_SUFFIX ".so.1"
/* Because RISC-V only has word-sized atomics, it requries libatomic where
others do not. So link libatomic by default, as needed. */
#undef LIB_SPEC
#ifdef LD_AS_NEEDED_OPTION
#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC \
" %{pthread:" LD_AS_NEEDED_OPTION " -latomic " LD_NO_AS_NEEDED_OPTION "}"
#else
#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC " -latomic "
#endif
#define ICACHE_FLUSH_FUNC "__riscv_flush_icache"
#define CPP_SPEC "%{pthread:-D_REENTRANT}"
#define LD_EMUL_SUFFIX \
"%{mabi=lp64d:}" \
"%{mabi=lp64f:_lp64f}" \
"%{mabi=lp64:_lp64}" \
"%{mabi=ilp32d:}" \
"%{mabi=ilp32f:_ilp32f}" \
"%{mabi=ilp32:_ilp32}"
#define LINK_SPEC "\
-melf" XLEN_SPEC DEFAULT_ENDIAN_SPEC "riscv" LD_EMUL_SUFFIX " \
%{mno-relax:--no-relax} \
%{mbig-endian:-EB} \
%{mlittle-endian:-EL} \
%{shared} \
%{!shared: \
%{!static: \
%{rdynamic:-export-dynamic} \
-dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \
%{static:-static}}"
#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
#define STARTFILE_PREFIX_SPEC \
"/lib" XLEN_SPEC "/" ABI_SPEC "/ " \
"/usr/lib" XLEN_SPEC "/" ABI_SPEC "/ " \
"/lib/ " \
"/usr/lib/ "
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