When building libstand for arm, don't emit instructions that require
relocation fixups unsupported by the self_reloc() code, and don't optimize memcpy/memset using floating point registers, because in a standalone environment nothing has initialized the fpu hardware.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=292993
@ -44,6 +44,12 @@ SRCS+= bcmp.c bcopy.c bzero.c ffs.c memccpy.c memchr.c memcmp.c memcpy.c \
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.if ${MACHINE_CPUARCH} == "arm"
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.PATH: ${LIBC_SRC}/arm/gen
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# Do not generate movt/movw, because the relocation fixup for them does not
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# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
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# Also, the fpu is not available in a standalone environment.
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CFLAGS.clang+= -mllvm -arm-use-movt=0
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CFLAGS.clang+= -mfpu=none
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# Compiler support functions
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.PATH: ${LIBSTAND_SRC}/../../contrib/compiler-rt/lib/builtins/
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# __clzsi2 and ctzsi2 for various builtin functions
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