diff options
Diffstat (limited to 'make/platform/clang_darwin.mk')
| -rw-r--r-- | make/platform/clang_darwin.mk | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/make/platform/clang_darwin.mk b/make/platform/clang_darwin.mk new file mode 100644 index 000000000000..23cd3a42f86a --- /dev/null +++ b/make/platform/clang_darwin.mk @@ -0,0 +1,253 @@ +# These are the functions which clang needs when it is targetting a previous +# version of the OS. The issue is that the backend may use functions which were +# not present in the libgcc that shipped on the platform. In such cases, we link +# with a version of the library which contains private_extern definitions of all +# the extra functions which might be referenced. + +Description := Static runtime libraries for clang/Darwin. + +Configs := +UniversalArchs := + +# Configuration solely for providing access to an eprintf symbol, which may +# still be referenced from Darwin system headers. This symbol is only ever +# needed on i386. +Configs += eprintf +UniversalArchs.eprintf := i386 + +# Configuration for targetting 10.4. We need a few functions missing from +# libgcc_s.10.4.dylib. We only build x86 slices since clang doesn't really +# support targetting PowerPC. +Configs += 10.4 +UniversalArchs.10.4 := i386 x86_64 + +# Configuration for targetting armv6. We need a few additional functions which +# must be in the same linkage unit. +Configs += armv6 +UniversalArchs.armv6 := armv6 + +# Configuration for use with kernel/kexts. +Configs += cc_kext +UniversalArchs.cc_kext := armv6 i386 x86_64 + +# FIXME: Don't build an armv7 slice currently, they have the same functions. +# +#UniversalArchs.cc_kext := armv6 armv7 i386 x86_64 + +### + +CC := gcc + +# Forcibly strip off any -arch, as that totally breaks our universal support. +override CC := $(subst -arch ,-arch_,$(CC)) +override CC := $(patsubst -arch_%,,$(CC)) + +CFLAGS := -Wall -Werror -O3 -fomit-frame-pointer + +FUNCTIONS.eprintf := eprintf +FUNCTIONS.10.4 := eprintf floatundidf floatundisf floatundixf +FUNCTIONS.armv6 := switch16 switch32 switch8 switchu8 \ + save_vfp_d8_d15_regs restore_vfp_d8_d15_regs + +CCKEXT_COMMON_FUNCTIONS := \ + absvdi2 \ + absvsi2 \ + addvdi3 \ + addvsi3 \ + ashldi3 \ + ashrdi3 \ + bswapdi2 \ + bswapsi2 \ + clear_cache \ + clzdi2 \ + clzsi2 \ + cmpdi2 \ + ctzdi2 \ + ctzsi2 \ + divdc3 \ + divdi3 \ + divsc3 \ + do_global_dtors \ + eprintf \ + ffsdi2 \ + fixdfdi \ + fixsfdi \ + fixunsdfdi \ + fixunsdfsi \ + fixunssfdi \ + fixunssfsi \ + floatdidf \ + floatdisf \ + floatundidf \ + floatundisf \ + gcc_bcmp \ + lshrdi3 \ + moddi3 \ + muldc3 \ + muldi3 \ + mulsc3 \ + mulvdi3 \ + mulvsi3 \ + negdi2 \ + negvdi2 \ + negvsi2 \ + paritydi2 \ + paritysi2 \ + popcountdi2 \ + popcountsi2 \ + powidf2 \ + powisf2 \ + subvdi3 \ + subvsi3 \ + ucmpdi2 \ + udiv_w_sdiv \ + udivdi3 \ + udivmoddi4 \ + umoddi3 + +CCKEXT_ARM_FUNCTIONS := $(CCKEXT_COMMON_FUNCTONS) \ + adddf3 \ + addsf3 \ + aeabi_cdcmpeq \ + aeabi_cdrcmple \ + aeabi_cfcmpeq \ + aeabi_cfrcmple \ + aeabi_dcmpeq \ + aeabi_dcmpge \ + aeabi_dcmpgt \ + aeabi_dcmple \ + aeabi_dcmplt \ + aeabi_drsub \ + aeabi_fcmpeq \ + aeabi_fcmpge \ + aeabi_fcmpgt \ + aeabi_fcmple \ + aeabi_fcmplt \ + aeabi_frsub \ + aeabi_idivmod \ + aeabi_uidivmod \ + cmpdf2 \ + cmpsf2 \ + div0 \ + divdf3 \ + divsf3 \ + divsi3 \ + extendsfdf2 \ + ffssi2 \ + fixdfsi \ + fixsfsi \ + floatsidf \ + floatsisf \ + floatunsidf \ + floatunsisf \ + gtdf2 \ + gtsf2 \ + ltdf2 \ + ltsf2 \ + modsi3 \ + muldf3 \ + mulsf3 \ + negdf2 \ + negsf2 \ + subdf3 \ + subsf3 \ + switch16 \ + switch32 \ + switch8 \ + switchu8 \ + truncdfsf2 \ + udivsi3 \ + umodsi3 \ + unorddf2 \ + unordsf2 + +FUNCTIONS.cc_kext.armv6 := $(CCKEXT_ARM_FUNCTIONS) +FUNCTIONS.cc_kext.armv7 := $(CCKEXT_ARM_FUNCTIONS) + +CCKEXT_X86_FUNCTIONS := $(CCKEXT_COMMON_FUNCTIONS) \ + divxc3 \ + fixunsxfdi \ + fixunsxfsi \ + fixxfdi \ + floatdixf \ + floatundixf \ + mulxc3 \ + powixf2 + +FUNCTIONS.cc_kext.i386 := $(CCKEXT_X86_FUNCTIONS) \ + ffssi2 \ + i686.get_pc_thunk.eax \ + i686.get_pc_thunk.ebp \ + i686.get_pc_thunk.ebx \ + i686.get_pc_thunk.ecx \ + i686.get_pc_thunk.edi \ + i686.get_pc_thunk.edx \ + i686.get_pc_thunk.esi + +FUNCTIONS.cc_kext.x86_64 := $(CCKEXT_X86_FUNCTIONS) \ + absvti2 \ + addvti3 \ + ashlti3 \ + ashrti3 \ + clzti2 \ + cmpti2 \ + ctzti2 \ + divti3 \ + ffsti2 \ + fixdfti \ + fixsfti \ + fixunsdfti \ + fixunssfti \ + fixunsxfti \ + fixxfti \ + floattidf \ + floattisf \ + floattixf \ + floatuntidf \ + floatuntisf \ + floatuntixf \ + lshrti3 \ + modti3 \ + multi3 \ + mulvti3 \ + negti2 \ + negvti2 \ + parityti2 \ + popcountti2 \ + subvti3 \ + ucmpti2 \ + udivmodti4 \ + udivti3 \ + umodti3 + +# FIXME: Currently, compiler-rt is missing implementations for a number of the +# functions that need to go into libcc_kext.a. Filter them out for now. +CCKEXT_MISSING_FUNCTIONS := \ + adddf3 addsf3 cmpdf2 cmpsf2 div0 divdf3 divsf3 \ + extendsfdf2 ffssi2 fixdfsi fixsfsi floatsidf floatsisf \ + floatunsidf floatunsisf gtdf2 gtsf2 ltdf2 ltsf2 \ + muldf3 mulsf3 negdf2 negsf2 subdf3 subsf3 \ + truncdfsf2 udiv_w_sdiv unorddf2 unordsf2 bswapdi2 \ + bswapsi2 \ + gcc_bcmp \ + do_global_dtors \ + i686.get_pc_thunk.eax i686.get_pc_thunk.ebp i686.get_pc_thunk.ebx \ + i686.get_pc_thunk.ecx i686.get_pc_thunk.edi i686.get_pc_thunk.edx \ + i686.get_pc_thunk.esi \ + aeabi_cdcmpeq aeabi_cdrcmple aeabi_cfcmpeq aeabi_cfrcmple aeabi_dcmpeq \ + aeabi_dcmpge aeabi_dcmpgt aeabi_dcmple aeabi_dcmplt aeabi_drsub aeabi_fcmpeq \ + aeabi_fcmpge aeabi_fcmpgt aeabi_fcmple aeabi_fcmplt aeabi_frsub aeabi_idivmod \ + aeabi_uidivmod + +FUNCTIONS.cc_kext.armv6 := \ + $(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext.armv6)) +FUNCTIONS.cc_kext.armv7 := \ + $(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext.armv7)) +FUNCTIONS.cc_kext.i386 := \ + $(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext.i386)) +FUNCTIONS.cc_kext.x86_64 := \ + $(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext.x86_64)) + +KERNEL_USE.cc_kext := 1 + +VISIBILITY_HIDDEN := 1 |