libbuiltin: Simplify makefile writing

Create a separate bin folder to place the generated .o files

Signed-off-by: wangmingrong1 <[email protected]>

Author: W-M-R

libs/libbuiltin/Makefile

@@ -20,16 +20,16 @@
 
 include $(TOPDIR)/Make.defs
 
-ifeq ($(CONFIG_BUILTIN_COMPILER_RT),y)
-include compiler-rt/Make.defs
-endif
-
 BIN ?= libbuiltin$(LIBEXT)
 BINDIR ?= bin
 
 KBIN = libkbuiltin$(LIBEXT)
 KBINDIR = kbin
 
+ifeq ($(CONFIG_BUILTIN_COMPILER_RT),y)
+include compiler-rt/Make.defs
+endif
+
 AOBJS = $(addprefix $(BINDIR)$(DELIM), $(ASRCS:.S=$(OBJEXT)))
 COBJS = $(addprefix $(BINDIR)$(DELIM), $(CSRCS:.c=$(OBJEXT)))
 CXXOBJS = $(addprefix $(BINDIR)$(DELIM), $(CXXSRCS:.cxx=$(OBJEXT)))
@@ -79,7 +79,7 @@ clean:
 	$(Q) $(MAKE) -C bin  clean
 	$(Q) $(MAKE) -C kbin clean
 
-distclean: clean
+distclean:: clean
 	$(Q) $(MAKE) -C bin  distclean
 	$(Q) $(MAKE) -C kbin distclean
 	$(call DELFILE, .depend)

libs/libbuiltin/compiler-rt/Make.defs

@@ -24,6 +24,16 @@ LIBBUILTIN += compiler-rt
 
 COMPILER_RT_VERSION=$(CONFIG_COMPILER_RT_VERSION)
 
+ifeq ($(CONFIG_ARCH_ARM),y)
+  ARCH = arm
+else ifeq ($(CONFIG_ARCH_RISCV),y)
+  ARCH = riscv
+else ifeq ($(CONFIG_ARCH_X86_64),y)
+  ARCH = x86_64
+else ifeq ($(CONFIG_ARCH_ARM64),y)
+  ARCH = aarch64
+endif
+
 ifeq ($(wildcard compiler-rt/compiler-rt/lib),)
 compiler-rt-$(COMPILER_RT_VERSION).src.tar.xz:
 	$(call DOWNLOAD,https://github.com/llvm/llvm-project/releases/download/llvmorg-$(COMPILER_RT_VERSION),$@)
@@ -34,162 +44,50 @@ compiler-rt/compiler-rt: compiler-rt-$(COMPILER_RT_VERSION).src.tar.xz
 	$(call DELDIR, $<)
 
 compiler-rt: compiler-rt/compiler-rt
+	$(Q) mkdir $(BINDIR)/compiler-rt \
+	           $(BINDIR)/compiler-rt/compiler-rt \
+	           $(BINDIR)/compiler-rt/compiler-rt/lib \
+	           $(BINDIR)/compiler-rt/compiler-rt/lib/builtins \
+	           $(BINDIR)/compiler-rt/compiler-rt/lib/builtins/$(ARCH) \
+	           $(BINDIR)/compiler-rt/compiler-rt/lib/profile
+
 endif
 
+distclean::
+	$(call DELDIR, $(BINDIR)/compiler-rt)
+
 FLAGS += ${INCDIR_PREFIX}$(CURDIR)/compiler-rt/compiler-rt/include
 FLAGS += ${INCDIR_PREFIX}$(CURDIR)/compiler-rt/compiler-rt/lib/builtins
+FLAGS += ${INCDIR_PREFIX}$(CURDIR)/compiler-rt/compiler-rt/lib/builtins/${ARCH}
 FLAGS += -Wno-shift-count-negative -Wno-constant-conversion -Wshift-count-overflow
 FLAGS += -Wno-undef -Wno-incompatible-pointer-types -Wno-visibility -Wno-macro-redefined
 
 ################# Builtin Library #################
 
-# Files related to arithmetic operations
-CSRCS += absvdi2.c absvsi2.c absvti2.c adddf3.c addtf3.c addvdi3.c addvsi3.c addvti3.c \
-         muldc3.c muldf3.c mulodi4.c mulosi4.c muloti4.c mulsc3.c mulsf3.c multc3.c multf3.c \
-         multi3.c mulvdi3.c mulvsi3.c mulvti3.c mulxc3.c negdf2.c negdi2.c negsf2.c negti2.c \
-         negvdi2.c negvsi2.c negvti2.c subdf3.c subsf3.c subtf3.c subvdi3.c subvsi3.c subvti3.c
-
-# Floating point processing related files
-CSRCS += floatdidf.c floatdisf.c floatditf.c floatdixf.c floatsidf.c floatsisf.c floatsitf.c \
-         floattidf.c floattisf.c floattitf.c floattixf.c floatunditf.c \
-         floatunsidf.c floatunsisf.c floatunsitf.c floatuntidf.c floatuntisf.c \
-         floatuntitf.c floatuntixf.c
-
-# Convert and expand related files
-CSRCS += fixtfdi.c fixtfsi.c fixtfti.c fixunsdfdi.c fixunsdfsi.c fixunsdfti.c fixunssfdi.c \
-         fixunssfsi.c fixunssfti.c fixunstfdi.c fixunstfsi.c fixunstfti.c fixunsxfdi.c fixunsxfsi.c \
-         fixunsxfti.c fixxfdi.c fixxfti.c extenddftf2.c extendhfsf2.c extendhftf2.c extendsfdf2.c \
-         extendsftf2.c truncdfhf2.c truncdfsf2.c truncsfhf2.c \
-         trunctfdf2.c trunctfhf2.c trunctfsf2.c
-
-ifeq ($(CONFIG_COMPILER_RT_HAS_BFLOAT16),y)
-  CSRCS += truncdfbf2.c truncsfbf2.c
-endif
-
-# Bit manipulation related files
-CSRCS += ashldi3.c ashlti3.c ashrdi3.c ashrti3.c \
-         clzti2.c ctzdi2.c ctzsi2.c ctzti2.c lshrdi3.c lshrti3.c popcountdi2.c popcountsi2.c \
-         popcountti2.c paritydi2.c paritysi2.c parityti2.c
-
-# Files related to division and modulo operations
-CSRCS += divdc3.c divdf3.c divdi3.c divmoddi4.c divmodti4.c divsc3.c divsf3.c \
-         divtc3.c divtf3.c divti3.c divxc3.c moddi3.c modti3.c udivdi3.c udivmoddi4.c \
-         udivmodti4.c udivti3.c umoddi3.c umodti3.c
-
-# Files related to atomic operations
-CSRCS += atomic.c atomic_flag_clear.c atomic_flag_clear_explicit.c atomic_flag_test_and_set.c \
-         atomic_flag_test_and_set_explicit.c atomic_signal_fence.c atomic_thread_fence.c
-
-# Other function related files
-CSRCS += apple_versioning.c clear_cache.c cmpdi2.c cmpti2.c comparedf2.c comparetf2.c \
-         cpu_model.c emutls.c enable_execute_stack.c eprintf.c fp_mode.c gcc_personality_v0.c \
-         int_util.c os_version_check.c trampoline_setup.c ucmpdi2.c ucmpti2.c powidf2.c powisf2.c \
-         powitf2.c powixf2.c
+CSRCS += $(wildcard compiler-rt/compiler-rt/lib/builtins/*.c)
+ASRCS += $(wildcard compiler-rt/compiler-rt/lib/builtins/$(ARCH)/*.S)
+CSRCS += $(wildcard compiler-rt/compiler-rt/lib/builtins/$(ARCH)/*.c)
 
-# Bit manipulation related arch
-ifeq ($(CONFIG_ARCH_ARM),y)
-  ARCH = arm
-  # Arithmetic Operations
-  ASRCS += adddf3vfp.S addsf3.S addsf3vfp.S divmodsi4.S divsi3.S modsi3.S subdf3vfp.S subsf3vfp.S \
-           muldf3vfp.S mulsf3vfp.S negdf2vfp.S negsf2vfp.S
-
-  # Floating-Point Operations
-  ASRCS += comparesf2.S eqdf2vfp.S eqsf2vfp.S extendsfdf2vfp.S fixdfsivfp.S fixsfsivfp.S \
-           fixunsdfsivfp.S fixunssfsivfp.S floatsidfvfp.S floatsisfvfp.S floatunssidfvfp.S \
-           floatunssisfvfp.S gedf2vfp.S gesf2vfp.S gtdf2vfp.S gtsf2vfp.S ledf2vfp.S lesf2vfp.S \
-           ltdf2vfp.S ltsf2vfp.S nedf2vfp.S nesf2vfp.S truncdfsf2vfp.S unorddf2vfp.S unordsf2vfp.S
-
-  # Synchronization Operations
-  ASRCS += sync_fetch_and_add_4.S sync_fetch_and_add_8.S sync_fetch_and_and_4.S sync_fetch_and_and_8.S \
-         sync_fetch_and_max_4.S sync_fetch_and_max_8.S sync_fetch_and_min_4.S sync_fetch_and_min_8.S \
-         sync_fetch_and_nand_4.S sync_fetch_and_nand_8.S sync_fetch_and_or_4.S sync_fetch_and_or_8.S \
-         sync_fetch_and_sub_4.S sync_fetch_and_sub_8.S sync_fetch_and_umax_4.S sync_fetch_and_umax_8.S \
-         sync_fetch_and_umin_4.S sync_fetch_and_umin_8.S sync_fetch_and_xor_4.S sync_fetch_and_xor_8.S \
-         sync_synchronize.S
-  # Memory Operations
-  ASRCS += aeabi_memcmp.S aeabi_memcpy.S aeabi_memmove.S aeabi_memset.S restore_vfp_d8_d15_regs.S \
-         save_vfp_d8_d15_regs.S
-
-  # Division and Modulus Operations
-  ASRCS += aeabi_idivmod.S aeabi_ldivmod.S aeabi_uidivmod.S aeabi_uldivmod.S udivmodsi4.S udivsi3.S umodsi3.S
-
-  # Bitwise and Other Operations
-  ASRCS += bswapdi2.S bswapsi2.S chkstk.S clzdi2.S clzsi2.S
-
-  # Branch and Control Flow
-  ASRCS += switch16.S switch32.S switch8.S switchu8.S
-
-  CSRCS += aeabi_cdcmpeq_check_nan.c aeabi_cfcmpeq_check_nan.c aeabi_div0.c aeabi_drsub.c aeabi_frsub.c
-else
-  CSRCS += addsf3.c divsi3.c modsi3.c
-  CSRCS += bswapdi2.c bswapsi2.c clzdi2.c clzsi2.c
-  CSRCS += divmodsi4.c udivmodsi4.c udivsi3.c umodsi3.c
-  CSRCS += comparesf2.c
+ifeq ($(CONFIG_COMPILER_RT_HAS_BFLOAT16),)
+  BFLOAT16_SRCS := compiler-rt/compiler-rt/lib/builtins/truncdfbf2.c
+  BFLOAT16_SRCS += compiler-rt/compiler-rt/lib/builtins/truncsfbf2.c
+  CSRCS := $(filter-out $(BFLOAT16_SRCS), $(CSRCS))
 endif
 
-ifeq ($(CONFIG_ARCH_ARM64),y)
-  ARCH = aarch64
-  ASRCS += chkstk.S lse.S
-  CSRCS += fp_mode.c
-endif
-
-ifeq ($(CONFIG_ARCH_RISCV),y)
-  ARCH = riscv
-  ASRCS += muldi3.S mulsi3.S restore.S save.S
-  CSRCS += fp_mode.c
-else
-  CSRCS += muldi3.c
-endif
-
-ifeq ($(CONFIG_ARCH_X86_64),y)
-  ARCH = x86_64
-  ASRCS += chkstk2.S chkstk.S floatundidf.S floatundisf.S floatundixf.S
-  CSRCS += floatdidf.c floatdisf.c floatdixf.c
-else
-  CSRCS += floatundidf.c floatundisf.c floatundixf.c
-endif
+################# Profile Library #################
 
 ifeq ($(CONFIG_COMPILER_RT_PROFILE),y)
-
-# Include paths
 FLAGS += ${INCDIR_PREFIX}$(CURDIR)/compiler-rt/compiler-rt/lib/profile
-
-# Suppress specific warnings
 FLAGS += -Wno-cleardeprecated-pragma -Wno-deprecated-pragma -Wno-incompatible-pointer-types
 FLAGS += -Wno-shadow -Wno-strict-prototypes -Wno-undef -Wno-unknown-warning-option
-
-# Define compiler-specific macros
 FLAGS += -DCOMPILER_RT_HAS_UNAME
-
-# Disable code coverage analysis for the library
 FLAGS += -fno-profile-generate
 
-# Profile support source files
-CSRCS += GCDAProfiling.c InstrProfilingBuffer.c InstrProfiling.c InstrProfilingFile.c InstrProfilingInternal.c
-CSRCS += InstrProfilingMerge.c InstrProfilingMergeFile.c InstrProfilingNameVar.c
-CSRCS += InstrProfilingUtil.c InstrProfilingValue.c InstrProfilingVersionVar.c InstrProfilingWriter.c
-CPPSRCS += InstrProfilingRuntime.cpp
-
-# Profile platform support
-CSRCS += InstrProfilingPlatform.c
-
-# Dependency and search paths
-DEPPATH += --dep-path compiler-rt/compiler-rt/lib/profile
-VPATH += :compiler-rt/compiler-rt/lib/profile
-
+CSRCS += $(wildcard compiler-rt/compiler-rt/lib/profile/*.c)
+CPPSRCS += $(wildcard compiler-rt/compiler-rt/lib/profile/*.cpp)
+CSRCS += compiler-rt/InstrProfilingPlatform.c
 endif
 
-FLAGS += ${INCDIR_PREFIX}$(CURDIR)/compiler-rt/compiler-rt/lib/builtins/${ARCH}
-
 AFLAGS += $(FLAGS)
 CFLAGS += $(FLAGS)
 CXXFLAGS += $(FLAGS)
-
-DEPPATH += --dep-path compiler-rt/compiler-rt/lib/builtins/${ARCH}
-VPATH += :compiler-rt/compiler-rt/lib/builtins/${ARCH}
-
-DEPPATH += --dep-path compiler-rt/compiler-rt/lib/builtins
-VPATH += :compiler-rt/compiler-rt/lib/builtins
-
-DEPPATH += --dep-path compiler-rt
-VPATH += :compiler-rt