79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
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/* Definitions for RISC-V GNU/Linux systems with ELF format.
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Copyright (C) 1998-2021 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 TARGET_OS_CPP_BUILTINS() \
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do { \
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GNU_USER_TARGET_OS_CPP_BUILTINS(); \
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} while (0)
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#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-riscv" XLEN_SPEC "-" ABI_SPEC ".so.1"
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#define MUSL_ABI_SUFFIX \
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"%{mabi=ilp32:-sf}" \
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"%{mabi=ilp32f:-sp}" \
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"%{mabi=ilp32d:}" \
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"%{mabi=lp64:-sf}" \
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"%{mabi=lp64f:-sp}" \
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"%{mabi=lp64d:}"
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#undef MUSL_DYNAMIC_LINKER
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#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-riscv" XLEN_SPEC MUSL_ABI_SUFFIX ".so.1"
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/* Because RISC-V only has word-sized atomics, it requries libatomic where
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others do not. So link libatomic by default, as needed. */
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#undef LIB_SPEC
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#ifdef LD_AS_NEEDED_OPTION
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#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC \
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" %{pthread:" LD_AS_NEEDED_OPTION " -latomic " LD_NO_AS_NEEDED_OPTION "}"
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#else
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#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC " -latomic "
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#endif
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#define ICACHE_FLUSH_FUNC "__riscv_flush_icache"
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#define CPP_SPEC "%{pthread:-D_REENTRANT}"
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#define LD_EMUL_SUFFIX \
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"%{mabi=lp64d:}" \
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"%{mabi=lp64f:_lp64f}" \
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"%{mabi=lp64:_lp64}" \
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"%{mabi=ilp32d:}" \
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"%{mabi=ilp32f:_ilp32f}" \
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"%{mabi=ilp32:_ilp32}"
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#define LINK_SPEC "\
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-melf" XLEN_SPEC DEFAULT_ENDIAN_SPEC "riscv" LD_EMUL_SUFFIX " \
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%{mno-relax:--no-relax} \
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%{mbig-endian:-EB} \
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%{mlittle-endian:-EL} \
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%{shared} \
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%{!shared: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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-dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \
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%{static:-static}}"
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#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
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#define STARTFILE_PREFIX_SPEC \
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"/lib" XLEN_SPEC "/" ABI_SPEC "/ " \
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"/usr/lib" XLEN_SPEC "/" ABI_SPEC "/ " \
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"/lib/ " \
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"/usr/lib/ "
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