Add riscv musl support.
gcc/ Backport from mainline 2017-11-07 Michael Clark <michaeljclark@mac.com> * config/riscv/linux.h (MUSL_ABI_SUFFIX): New define. (MUSL_DYNAMIC_LINKER): Likewise. From-SVN: r255216
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2017-11-28 Jim Wilson <jimw@sifive.com>
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Backport from mainline
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2017-11-07 Michael Clark <michaeljclark@mac.com>
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* config/riscv/linux.h (MUSL_ABI_SUFFIX): New define.
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(MUSL_DYNAMIC_LINKER): Likewise.
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2017-11-27 Jim Wilson <jimw@sifive.com>
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2017-11-27 Jim Wilson <jimw@sifive.com>
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Backport from mainline
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Backport from mainline
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@ -24,6 +24,17 @@ along with GCC; see the file COPYING3. If not see
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#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-riscv" XLEN_SPEC "-" ABI_SPEC ".so.1"
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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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/* 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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others do not. So link libatomic by default, as needed. */
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#undef LIB_SPEC
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#undef LIB_SPEC
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