diff options
Diffstat (limited to 'external/meta-clang/recipes-devtools/clang/clang/0003-compiler-rt-support-a-new-embedded-linux-target.patch')
| -rw-r--r-- | external/meta-clang/recipes-devtools/clang/clang/0003-compiler-rt-support-a-new-embedded-linux-target.patch | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/external/meta-clang/recipes-devtools/clang/clang/0003-compiler-rt-support-a-new-embedded-linux-target.patch b/external/meta-clang/recipes-devtools/clang/clang/0003-compiler-rt-support-a-new-embedded-linux-target.patch new file mode 100644 index 00000000..4c8bc631 --- /dev/null +++ b/external/meta-clang/recipes-devtools/clang/clang/0003-compiler-rt-support-a-new-embedded-linux-target.patch @@ -0,0 +1,322 @@ +From 57ba81bfe82f18899b1c846bee6276b1b43ce4cf Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Sun, 19 Apr 2015 15:16:23 -0700 +Subject: [PATCH] compiler-rt: support a new embedded linux target + +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- + compiler-rt/lib/builtins/int_util.c | 2 +- + .../make/platform/clang_linux_embedded.mk | 286 ++++++++++++++++++ + .../clang_linux_embedded_test_input.c | 0 + 3 files changed, 287 insertions(+), 1 deletion(-) + create mode 100644 compiler-rt/make/platform/clang_linux_embedded.mk + create mode 100644 compiler-rt/make/platform/clang_linux_embedded_test_input.c + +diff --git a/compiler-rt/lib/builtins/int_util.c b/compiler-rt/lib/builtins/int_util.c +index 226a6e93440..efc977acbb3 100644 +--- a/compiler-rt/lib/builtins/int_util.c ++++ b/compiler-rt/lib/builtins/int_util.c +@@ -54,7 +54,7 @@ void __compilerrt_abort_impl(const char *file, int line, const char *function) { + #else + + // Get the system definition of abort() +-#include <stdlib.h> ++extern void abort (void) __attribute__ ((__noreturn__)); + + #ifndef _WIN32 + __attribute__((weak)) +diff --git a/compiler-rt/make/platform/clang_linux_embedded.mk b/compiler-rt/make/platform/clang_linux_embedded.mk +new file mode 100644 +index 00000000000..d0a890075a1 +--- /dev/null ++++ b/compiler-rt/make/platform/clang_linux_embedded.mk +@@ -0,0 +1,286 @@ ++# These are the functions which clang needs when it is targeting 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 embedded clang/Linux ++ ++# A function that ensures we don't try to build for architectures that we ++# don't have working toolchains for. ++CheckArches = \ ++ $(shell \ ++ result=""; \ ++ for arch in $(1); do \ ++ if $(CC) -arch $$arch -c \ ++ -integrated-as \ ++ $(ProjSrcRoot)/make/platform/clang_linux_embedded_test_input.c \ ++ -o /dev/null > /dev/null 2> /dev/null; then \ ++ result="$$result$$arch "; \ ++ else \ ++ printf 1>&2 \ ++ "warning: clang_linux_embedded.mk: dropping arch '$$arch' from lib '$(2)'\n"; \ ++ fi; \ ++ done; \ ++ echo $$result) ++ ++XCRun = \ ++ $(shell \ ++ result=`xcrun -find $(1) 2> /dev/null`; \ ++ if [ "$$?" != "0" ]; then result=$(1); fi; \ ++ echo $$result) ++ ++### ++ ++CC := $(call XCRun,clang) ++AR := $(call XCRun,ar) ++RANLIB := $(call XCRun,ranlib) ++STRIP := $(call XCRun,strip) ++LIPO := $(call XCRun,lipo) ++DSYMUTIL := $(call XCRun,dsymutil) ++Configs := ++UniversalArchs := ++ ++# Soft-float version of the runtime. No floating-point instructions will be used ++# and the ABI (out of necessity) passes floating values in normal registers: ++# non-VFP variant of the AAPCS. ++UniversalArchs.soft_static := $(call CheckArches,arm armv7m armv7em armv7,soft_static) ++Configs += $(if $(UniversalArchs.soft_static),soft_static) ++ ++# Hard-float version of the runtime. On ARM VFP instructions and registers are ++# allowed, and floating point values get passed in them. VFP variant of the ++# AAPCS. ++UniversalArchs.hard_static := $(call CheckArches,armv7em armv7 i386 x86_64,hard_static) ++Configs += $(if $(UniversalArchs.hard_static),hard_static) ++ ++UniversalArchs.soft_pic := $(call CheckArches,armv6m armv7m armv7em armv7,soft_pic) ++Configs += $(if $(UniversalArchs.soft_pic),soft_pic) ++ ++UniversalArchs.hard_pic := $(call CheckArches,armv7em armv7 i386 x86_64,hard_pic) ++Configs += $(if $(UniversalArchs.hard_pic),hard_pic) ++ ++CFLAGS := -Wall -Werror -Oz -fomit-frame-pointer -ffreestanding ++ ++PIC_CFLAGS := -fPIC ++STATIC_CFLAGS := -static ++ ++CFLAGS_SOFT := -mfloat-abi=soft ++CFLAGS_HARD := -mfloat-abi=hard ++ ++CFLAGS_I386 := -march=pentium ++ ++CFLAGS.soft_static := $(CFLAGS) $(STATIC_CFLAGS) $(CFLAGS_SOFT) ++CFLAGS.hard_static := $(CFLAGS) $(STATIC_CFLAGS) $(CFLAGS_HARD) ++CFLAGS.soft_pic := $(CFLAGS) $(PIC_CFLAGS) $(CFLAGS_SOFT) ++CFLAGS.hard_pic := $(CFLAGS) $(PIC_CFLAGS) $(CFLAGS_HARD) ++ ++CFLAGS.soft_static.armv7 := $(CFLAGS.soft_static) $(CFLAGS_ARMV7) ++CFLAGS.hard_static.armv7 := $(CFLAGS.hard_static) $(CFLAGS_ARMV7) ++CFLAGS.soft_pic.armv7 := $(CFLAGS.soft_pic) $(CFLAGS_ARMV7) ++CFLAGS.hard_pic.armv7 := $(CFLAGS.hard_pic) $(CFLAGS_ARMV7) ++ ++# x86 platforms ignore -mfloat-abi options and complain about doing so. Despite ++# this they're hard-float. ++CFLAGS.hard_static.i386 := $(CFLAGS) $(STATIC_CFLAGS) $(CFLAGS_I386) ++CFLAGS.hard_pic.i386 := $(CFLAGS) $(PIC_CFLAGS) $(CFLAGS_I386) ++CFLAGS.hard_static.x86_64 := $(CFLAGS) $(STATIC_CFLAGS) ++CFLAGS.hard_pic.x86_64 := $(CFLAGS) $(PIC_CFLAGS) ++ ++# Functions not wanted: ++# + eprintf is obsolete anyway ++# + *vfp: designed for Thumb1 CPUs with VFPv2 ++ ++COMMON_FUNCTIONS := \ ++ absvdi2 \ ++ absvsi2 \ ++ addvdi3 \ ++ addvsi3 \ ++ ashldi3 \ ++ ashrdi3 \ ++ bswapdi2 \ ++ bswapsi2 \ ++ clzdi2 \ ++ clzsi2 \ ++ cmpdi2 \ ++ ctzdi2 \ ++ ctzsi2 \ ++ divdc3 \ ++ divdi3 \ ++ divsc3 \ ++ divmodsi4 \ ++ udivmodsi4 \ ++ do_global_dtors \ ++ 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 \ ++ adddf3 \ ++ addsf3 \ ++ cmpdf2 \ ++ cmpsf2 \ ++ div0 \ ++ divdf3 \ ++ divsf3 \ ++ divsi3 \ ++ extendsfdf2 \ ++ ffssi2 \ ++ fixdfsi \ ++ fixsfsi \ ++ floatsidf \ ++ floatsisf \ ++ floatunsidf \ ++ floatunsisf \ ++ comparedf2 \ ++ comparesf2 \ ++ modsi3 \ ++ muldf3 \ ++ mulsf3 \ ++ negdf2 \ ++ negsf2 \ ++ subdf3 \ ++ subsf3 \ ++ truncdfsf2 \ ++ udivsi3 \ ++ umodsi3 \ ++ unorddf2 \ ++ unordsf2 ++ ++ARM_FUNCTIONS := \ ++ 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 \ ++ ++# ARM Assembly implementation which requires Thumb2 (i.e. won't work on v6M). ++THUMB2_FUNCTIONS := \ ++ switch16 \ ++ switch32 \ ++ switch8 \ ++ switchu8 \ ++ sync_fetch_and_add_4 \ ++ sync_fetch_and_sub_4 \ ++ sync_fetch_and_and_4 \ ++ sync_fetch_and_or_4 \ ++ sync_fetch_and_xor_4 \ ++ sync_fetch_and_nand_4 \ ++ sync_fetch_and_max_4 \ ++ sync_fetch_and_umax_4 \ ++ sync_fetch_and_min_4 \ ++ sync_fetch_and_umin_4 \ ++ sync_fetch_and_add_8 \ ++ sync_fetch_and_sub_8 \ ++ sync_fetch_and_and_8 \ ++ sync_fetch_and_or_8 \ ++ sync_fetch_and_xor_8 \ ++ sync_fetch_and_nand_8 \ ++ sync_fetch_and_max_8 \ ++ sync_fetch_and_umax_8 \ ++ sync_fetch_and_min_8 \ ++ sync_fetch_and_umin_8 ++ ++I386_FUNCTIONS := \ ++ 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 ++ ++# FIXME: Currently, compiler-rt is missing implementations for a number of the ++# functions. Filter them out for now. ++MISSING_FUNCTIONS := \ ++ cmpdf2 cmpsf2 div0 \ ++ ffssi2 \ ++ 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_ARMV6M := $(COMMON_FUNCTIONS) $(ARM_FUNCTIONS) ++FUNCTIONS_ARM_ALL := $(COMMON_FUNCTIONS) $(ARM_FUNCTIONS) $(THUMB2_FUNCTIONS) ++FUNCTIONS_I386 := $(COMMON_FUNCTIONS) $(I386_FUNCTIONS) ++FUNCTIONS_X86_64 := $(COMMON_FUNCTIONS) ++ ++FUNCTIONS_ARMV6M := \ ++ $(filter-out $(MISSING_FUNCTIONS),$(FUNCTIONS_ARMV6M)) ++FUNCTIONS_ARM_ALL := \ ++ $(filter-out $(MISSING_FUNCTIONS),$(FUNCTIONS_ARM_ALL)) ++FUNCTIONS_I386 := \ ++ $(filter-out $(MISSING_FUNCTIONS),$(FUNCTIONS_I386)) ++FUNCTIONS_X86_64 := \ ++ $(filter-out $(MISSING_FUNCTIONS),$(FUNCTIONS_X86_64)) ++ ++FUNCTIONS.soft_static.armv6m := $(FUNCTIONS_ARMV6M) ++FUNCTIONS.soft_pic.armv6m := $(FUNCTIONS_ARMV6M) ++ ++FUNCTIONS.soft_static.armv7m := $(FUNCTIONS_ARM_ALL) ++FUNCTIONS.soft_pic.armv7m := $(FUNCTIONS_ARM_ALL) ++ ++FUNCTIONS.soft_static.armv7em := $(FUNCTIONS_ARM_ALL) ++FUNCTIONS.hard_static.armv7em := $(FUNCTIONS_ARM_ALL) ++FUNCTIONS.soft_pic.armv7em := $(FUNCTIONS_ARM_ALL) ++FUNCTIONS.hard_pic.armv7em := $(FUNCTIONS_ARM_ALL) ++ ++FUNCTIONS.soft_static.armv7 := $(FUNCTIONS_ARM_ALL) ++FUNCTIONS.hard_static.armv7 := $(FUNCTIONS_ARM_ALL) ++FUNCTIONS.soft_pic.armv7 := $(FUNCTIONS_ARM_ALL) ++FUNCTIONS.hard_pic.armv7 := $(FUNCTIONS_ARM_ALL) ++ ++FUNCTIONS.hard_static.i386 := $(FUNCTIONS_I386) ++FUNCTIONS.hard_pic.i386 := $(FUNCTIONS_I386) ++ ++FUNCTIONS.hard_static.x86_64 := $(FUNCTIONS_X86_64) ++FUNCTIONS.hard_pic.x86_64 := $(FUNCTIONS_X86_64) +diff --git a/compiler-rt/make/platform/clang_linux_embedded_test_input.c b/compiler-rt/make/platform/clang_linux_embedded_test_input.c +new file mode 100644 +index 00000000000..e69de29bb2d |