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@ -5,133 +5,162 @@ import ( |
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"os" |
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"os/exec" |
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"path/filepath" |
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"strings" |
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) |
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// These are the GENERIC_SOURCES according to CMakeList.txt.
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var genericBuiltins = []string{ |
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"absvdi2", |
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"absvsi2", |
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"absvti2", |
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"adddf3", |
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"addsf3", |
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"addtf3", |
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"addvdi3", |
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"addvsi3", |
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"addvti3", |
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"apple_versioning", |
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"ashldi3", |
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"ashlti3", |
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"ashrdi3", |
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"ashrti3", |
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"bswapdi2", |
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"bswapsi2", |
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"clzdi2", |
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"clzsi2", |
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"clzti2", |
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"cmpdi2", |
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"cmpti2", |
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"comparedf2", |
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"comparesf2", |
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"ctzdi2", |
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"ctzsi2", |
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"ctzti2", |
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"divdc3", |
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"divdf3", |
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"divdi3", |
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"divmoddi4", |
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"divmodsi4", |
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"divsc3", |
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"divsf3", |
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"divsi3", |
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"divtc3", |
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"divti3", |
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"divtf3", |
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"extendsfdf2", |
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"extendhfsf2", |
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"ffsdi2", |
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"ffssi2", |
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"ffsti2", |
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"fixdfdi", |
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"fixdfsi", |
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"fixdfti", |
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"fixsfdi", |
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"fixsfsi", |
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"fixsfti", |
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"fixunsdfdi", |
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"fixunsdfsi", |
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"fixunsdfti", |
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"fixunssfdi", |
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"fixunssfsi", |
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"fixunssfti", |
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"floatdidf", |
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"floatdisf", |
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"floatsidf", |
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"floatsisf", |
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"floattidf", |
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"floattisf", |
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"floatundidf", |
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"floatundisf", |
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"floatunsidf", |
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"floatunsisf", |
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"floatuntidf", |
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"floatuntisf", |
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//"int_util",
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"lshrdi3", |
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"lshrti3", |
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"moddi3", |
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"modsi3", |
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"modti3", |
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"muldc3", |
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"muldf3", |
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"muldi3", |
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"mulodi4", |
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"mulosi4", |
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"muloti4", |
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"mulsc3", |
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"mulsf3", |
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"multi3", |
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"multf3", |
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"mulvdi3", |
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"mulvsi3", |
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"mulvti3", |
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"negdf2", |
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"negdi2", |
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"negsf2", |
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"negti2", |
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"negvdi2", |
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"negvsi2", |
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"negvti2", |
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"os_version_check", |
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"paritydi2", |
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"paritysi2", |
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"parityti2", |
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"popcountdi2", |
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"popcountsi2", |
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"popcountti2", |
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"powidf2", |
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"powisf2", |
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"powitf2", |
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"subdf3", |
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"subsf3", |
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"subvdi3", |
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"subvsi3", |
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"subvti3", |
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"subtf3", |
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"trampoline_setup", |
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"truncdfhf2", |
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"truncdfsf2", |
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"truncsfhf2", |
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"ucmpdi2", |
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"ucmpti2", |
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"udivdi3", |
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"udivmoddi4", |
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"udivmodsi4", |
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"udivmodti4", |
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"udivsi3", |
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"udivti3", |
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"umoddi3", |
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"umodsi3", |
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"umodti3", |
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"absvdi2.c", |
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"absvsi2.c", |
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"absvti2.c", |
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"adddf3.c", |
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"addsf3.c", |
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"addtf3.c", |
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"addvdi3.c", |
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"addvsi3.c", |
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"addvti3.c", |
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"apple_versioning.c", |
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"ashldi3.c", |
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"ashlti3.c", |
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"ashrdi3.c", |
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"ashrti3.c", |
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"bswapdi2.c", |
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"bswapsi2.c", |
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"clzdi2.c", |
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"clzsi2.c", |
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"clzti2.c", |
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"cmpdi2.c", |
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"cmpti2.c", |
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"comparedf2.c", |
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"comparesf2.c", |
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"ctzdi2.c", |
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"ctzsi2.c", |
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"ctzti2.c", |
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"divdc3.c", |
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"divdf3.c", |
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"divdi3.c", |
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"divmoddi4.c", |
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"divmodsi4.c", |
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"divsc3.c", |
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"divsf3.c", |
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"divsi3.c", |
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"divtc3.c", |
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"divti3.c", |
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"divtf3.c", |
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"extendsfdf2.c", |
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"extendhfsf2.c", |
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"ffsdi2.c", |
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"ffssi2.c", |
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"ffsti2.c", |
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"fixdfdi.c", |
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"fixdfsi.c", |
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"fixdfti.c", |
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"fixsfdi.c", |
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"fixsfsi.c", |
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"fixsfti.c", |
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"fixunsdfdi.c", |
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"fixunsdfsi.c", |
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"fixunsdfti.c", |
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"fixunssfdi.c", |
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"fixunssfsi.c", |
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"fixunssfti.c", |
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"floatdidf.c", |
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"floatdisf.c", |
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"floatsidf.c", |
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"floatsisf.c", |
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"floattidf.c", |
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"floattisf.c", |
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"floatundidf.c", |
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"floatundisf.c", |
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"floatunsidf.c", |
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"floatunsisf.c", |
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"floatuntidf.c", |
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"floatuntisf.c", |
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//"int_util.c",
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"lshrdi3.c", |
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"lshrti3.c", |
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"moddi3.c", |
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"modsi3.c", |
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"modti3.c", |
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"muldc3.c", |
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"muldf3.c", |
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"muldi3.c", |
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"mulodi4.c", |
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"mulosi4.c", |
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"muloti4.c", |
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"mulsc3.c", |
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"mulsf3.c", |
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"multi3.c", |
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"multf3.c", |
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"mulvdi3.c", |
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"mulvsi3.c", |
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"mulvti3.c", |
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"negdf2.c", |
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"negdi2.c", |
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"negsf2.c", |
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"negti2.c", |
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"negvdi2.c", |
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"negvsi2.c", |
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"negvti2.c", |
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"os_version_check.c", |
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"paritydi2.c", |
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"paritysi2.c", |
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"parityti2.c", |
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"popcountdi2.c", |
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"popcountsi2.c", |
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"popcountti2.c", |
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"powidf2.c", |
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"powisf2.c", |
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"powitf2.c", |
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"subdf3.c", |
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"subsf3.c", |
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"subvdi3.c", |
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"subvsi3.c", |
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"subvti3.c", |
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"subtf3.c", |
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"trampoline_setup.c", |
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"truncdfhf2.c", |
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"truncdfsf2.c", |
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"truncsfhf2.c", |
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"ucmpdi2.c", |
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"ucmpti2.c", |
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"udivdi3.c", |
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"udivmoddi4.c", |
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"udivmodsi4.c", |
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"udivmodti4.c", |
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"udivsi3.c", |
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"udivti3.c", |
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"umoddi3.c", |
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"umodsi3.c", |
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"umodti3.c", |
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} |
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var aeabiBuiltins = []string{ |
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"arm/aeabi_cdcmp.S", |
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"arm/aeabi_cdcmpeq_check_nan.c", |
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"arm/aeabi_cfcmp.S", |
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"arm/aeabi_cfcmpeq_check_nan.c", |
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"arm/aeabi_dcmp.S", |
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"arm/aeabi_div0.c", |
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"arm/aeabi_drsub.c", |
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"arm/aeabi_fcmp.S", |
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"arm/aeabi_frsub.c", |
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"arm/aeabi_idivmod.S", |
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"arm/aeabi_ldivmod.S", |
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"arm/aeabi_memcmp.S", |
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"arm/aeabi_memcpy.S", |
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"arm/aeabi_memmove.S", |
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"arm/aeabi_memset.S", |
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"arm/aeabi_uidivmod.S", |
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"arm/aeabi_uldivmod.S", |
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} |
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func builtinFiles(target string) []string { |
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builtins := append([]string{}, genericBuiltins...) // copy genericBuiltins
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if target[:3] == "arm" { |
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builtins = append(builtins, aeabiBuiltins...) |
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} |
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return builtins |
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} |
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// Get the builtins archive, possibly generating it as needed.
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@ -139,9 +168,10 @@ func loadBuiltins(target string) (path string, err error) { |
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outfile := "librt-" + target + ".a" |
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builtinsDir := filepath.Join(sourceDir(), "lib", "compiler-rt", "lib", "builtins") |
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srcs := make([]string, len(genericBuiltins)) |
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for i, name := range genericBuiltins { |
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srcs[i] = filepath.Join(builtinsDir, name+".c") |
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builtins := builtinFiles(target) |
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srcs := make([]string, len(builtins)) |
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for i, name := range builtins { |
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srcs[i] = filepath.Join(builtinsDir, name) |
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} |
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if path, err := cacheLoad(outfile, commands["clang"], srcs); path != "" || err != nil { |
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@ -156,11 +186,15 @@ func loadBuiltins(target string) (path string, err error) { |
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// Compile all builtins.
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// TODO: use builtins optimized for a given target if available.
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objs := make([]string, 0, len(genericBuiltins)) |
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for _, name := range genericBuiltins { |
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objpath := filepath.Join(dir, name+".o") |
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objs := make([]string, 0, len(builtins)) |
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for _, name := range builtins { |
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objname := name |
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if strings.LastIndexByte(objname, '/') >= 0 { |
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objname = objname[strings.LastIndexByte(objname, '/'):] |
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} |
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objpath := filepath.Join(dir, objname+".o") |
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objs = append(objs, objpath) |
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srcpath := filepath.Join(builtinsDir, name+".c") |
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srcpath := filepath.Join(builtinsDir, name) |
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cmd := exec.Command(commands["clang"], "-c", "-Oz", "-g", "-Werror", "-Wall", "-std=c11", "-fshort-enums", "-nostdlibinc", "--target="+target, "-o", objpath, srcpath) |
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cmd.Stdout = os.Stdout |
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cmd.Stderr = os.Stderr |
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Ayke van Laethem
6 years ago