1 # Define the libc run-time (crt) support object files that must be built, 2 # which are needed to build all other objects (shared/static libs and 3 # executables) 4 # ========================================================================== 5 # AArch64, ARM, MIPS, and x86 all need crtbegin_so/crtend_so. 6 # 7 # For x86, the .init section must point to a function that calls all 8 # entries in the .ctors section. (on ARM this is done through the 9 # .init_array section instead). 10 # 11 # For all the platforms, the .fini_array section must point to a function 12 # that will call __cxa_finalize(&__dso_handle) in order to ensure that 13 # static C++ destructors are properly called on dlclose(). 14 # 15 # Args: 16 # my_2nd_arch_prefix: set to $(TARGET_2ND_ARCH_VAR_PREFIX) if it's 17 # for the 2nd arch; otherwise empty. 18 19 my_arch := $(TARGET_$(my_2nd_arch_prefix)ARCH) 20 21 my_libc_crt_target_crtbegin_file := $(libc_crt_target_crtbegin_file_$(my_arch)) 22 my_libc_crt_target_crtbegin_so_file := $(libc_crt_target_crtbegin_so_file_$(my_arch)) 23 24 my_libc_crt_target_cflags := \ 25 $(libc_crt_target_cflags) \ 26 $(libc_crt_target_cflags_$(my_arch)) 27 28 my_libc_crt_target_so_cflags := \ 29 $(libc_crt_target_so_cflags_$(my_arch)) \ 30 $(my_libc_crt_target_cflags) 31 32 my_libc_crt_target_ldflags := $(libc_crt_target_ldflags_$(my_arch)) 33 34 # crtbrand.S -> crtbrand.o 35 GEN := $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.o 36 $(GEN): PRIVATE_CC := $($(my_2nd_arch_prefix)TARGET_CC) 37 $(GEN): PRIVATE_CFLAGS := $(my_libc_crt_target_so_cflags) 38 $(GEN): $(LOCAL_PATH)/arch-common/bionic/crtbrand.S 39 @mkdir -p $(dir $@) 40 $(hide) $(PRIVATE_CC) $(PRIVATE_CFLAGS) \ 41 -MD -MF $(@:%.o=%.d) -o $@ -c $< 42 $(transform-d-to-p) 43 $(call include-depfile,$(GEN:%.o=%.P),$(GEN)) 44 45 # crtbegin_so.c -> crtbegin_so1.o 46 GEN := $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so1.o 47 $(GEN): PRIVATE_CC := $($(my_2nd_arch_prefix)TARGET_CC) 48 $(GEN): PRIVATE_CFLAGS := $(my_libc_crt_target_so_cflags) 49 $(GEN): $(my_libc_crt_target_crtbegin_so_file) 50 @mkdir -p $(dir $@) 51 $(hide) $(PRIVATE_CC) $(PRIVATE_CFLAGS) \ 52 -MD -MF $(@:%.o=%.d) -o $@ -c $< 53 $(transform-d-to-p) 54 $(call include-depfile,$(GEN:%.o=%.P),$(GEN)) 55 56 # crtbegin_so1.o + crtbrand.o -> crtbegin_so.o 57 GEN := $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 58 $(GEN): PRIVATE_LD := $($(my_2nd_arch_prefix)TARGET_LD) 59 $(GEN): PRIVATE_LDFLAGS := $(my_libc_crt_target_ldflags) 60 $(GEN): $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so1.o \ 61 $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.o 62 @mkdir -p $(dir $@) 63 $(hide) $(PRIVATE_LD) $(PRIVATE_LDFLAGS) -r -o $@ $^ 64 65 # crtend_so.S -> crtend_so.o 66 GEN := $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 67 $(GEN): PRIVATE_CC := $($(my_2nd_arch_prefix)TARGET_CC) 68 $(GEN): PRIVATE_CFLAGS := $(my_libc_crt_target_so_cflags) 69 $(GEN): $(LOCAL_PATH)/arch-common/bionic/crtend_so.S 70 @mkdir -p $(dir $@) 71 $(hide) $(PRIVATE_CC) $(PRIVATE_CFLAGS) \ 72 -MD -MF $(@:%.o=%.d) -o $@ -c $< 73 $(transform-d-to-p) 74 $(call include-depfile,$(GEN:%.o=%.P),$(GEN)) 75 76 # crtbegin_so.o and crtend_so.o are installed to device 77 GEN := $($(my_2nd_arch_prefix)TARGET_OUT_SHARED_LIBRARIES)/crtbegin_so.o 78 $(GEN): $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 79 $(hide) mkdir -p $(dir $@) && cp -f $< $@ 80 ALL_GENERATED_SOURCES += $(GEN) 81 82 GEN := $($(my_2nd_arch_prefix)TARGET_OUT_SHARED_LIBRARIES)/crtend_so.o 83 $(GEN): $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 84 $(hide) mkdir -p $(dir $@) && cp -f $< $@ 85 ALL_GENERATED_SOURCES += $(GEN) 86 87 # crtbegin.c -> crtbegin_static1.o 88 GEN := $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static1.o 89 $(GEN): PRIVATE_CC := $($(my_2nd_arch_prefix)TARGET_CC) 90 $(GEN): PRIVATE_CFLAGS := $(my_libc_crt_target_cflags) 91 $(GEN): $(my_libc_crt_target_crtbegin_file) 92 @mkdir -p $(dir $@) 93 $(hide) $(PRIVATE_CC) $(PRIVATE_CFLAGS) \ 94 -MD -MF $(@:%.o=%.d) -o $@ -c $< 95 $(transform-d-to-p) 96 $(call include-depfile,$(GEN:%.o=%.P),$(GEN)) 97 98 # crtbegin_static1.o + crtbrand.o -> crtbegin_static.o 99 GEN := $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 100 $(GEN): PRIVATE_LD := $($(my_2nd_arch_prefix)TARGET_LD) 101 $(GEN): PRIVATE_LDFLAGS := $(my_libc_crt_target_ldflags) 102 $(GEN): $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static1.o \ 103 $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.o 104 @mkdir -p $(dir $@) 105 $(hide) $(PRIVATE_LD) $(PRIVATE_LDFLAGS) -r -o $@ $^ 106 107 # crtbegin.c -> crtbegin_dynamic1.o 108 GEN := $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic1.o 109 $(GEN): PRIVATE_CC := $($(my_2nd_arch_prefix)TARGET_CC) 110 $(GEN): PRIVATE_CFLAGS := $(my_libc_crt_target_cflags) 111 $(GEN): $(my_libc_crt_target_crtbegin_file) 112 @mkdir -p $(dir $@) 113 $(hide) $(PRIVATE_CC) $(PRIVATE_CFLAGS) \ 114 -MD -MF $(@:%.o=%.d) -o $@ -c $< 115 $(transform-d-to-p) 116 $(call include-depfile,$(GEN:%.o=%.P),$(GEN)) 117 118 # crtbegin_dynamic1.o + crtbrand.o -> crtbegin_dynamic.o 119 GEN := $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 120 $(GEN): PRIVATE_LD := $($(my_2nd_arch_prefix)TARGET_LD) 121 $(GEN): PRIVATE_LDFLAGS := $(my_libc_crt_target_ldflags) 122 $(GEN): $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic1.o \ 123 $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.o 124 @mkdir -p $(dir $@) 125 $(hide) $(PRIVATE_LD) $(PRIVATE_LDFLAGS) -r -o $@ $^ 126 127 # crtend.S -> crtend_android.o 128 # We rename crtend.o to crtend_android.o to avoid a 129 # name clash between gcc and bionic. 130 GEN := $($(my_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 131 $(GEN): PRIVATE_CC := $($(my_2nd_arch_prefix)TARGET_CC) 132 $(GEN): PRIVATE_CFLAGS := $(my_libc_crt_target_cflags) 133 $(GEN): $(LOCAL_PATH)/arch-common/bionic/crtend.S 134 @mkdir -p $(dir $@) 135 $(hide) $(PRIVATE_CC) $(PRIVATE_CFLAGS) \ 136 -MD -MF $(@:%.o=%.d) -o $@ -c $< 137 $(transform-d-to-p) 138 $(call include-depfile,$(GEN:%.o=%.P),$(GEN)) 139 140 # Clear temp vars 141 my_libc_crt_target_ldflags := 142 my_libc_crt_target_so_cflags := 143 my_libc_crt_target_cflags := 144 my_libc_crt_target_crtbegin_so_file := 145 my_libc_crt_target_crtbegin_file := 146 my_arch := 147
