OVMS3-idf/make/ldgen.mk
2019-02-14 18:58:48 +08:00

70 lines
2.8 KiB
Makefile

# Makefile to support the linker script generation mechanism
LDGEN_SECTIONS_INFO_FILES = $(foreach lib, $(COMPONENT_LIBRARIES), $(BUILD_DIR_BASE)/$(lib)/lib$(lib).a.sections_info)
LDGEN_FRAGMENT_FILES = $(COMPONENT_LDFRAGMENTS)
ON_WINDOWS:=n
ifdef OS
ifeq ($(OS),Windows_NT)
ON_WINDOWS:=y
endif
endif
# Target to generate linker script generator from fragments presented by each of
# the components
ifeq ($(ON_WINDOWS),y)
define ldgen_process_template
$(BUILD_DIR_BASE)/ldgen.section_infos: $(LDGEN_SECTIONS_INFO_FILES) $(IDF_PATH)/make/ldgen.mk
printf "$(foreach info,$(LDGEN_SECTIONS_INFO_FILES),$(subst \,/,$(shell cygpath -w $(info)))\n)" > $(BUILD_DIR_BASE)/ldgen.section_infos
$(2): $(1) $(LDGEN_FRAGMENT_FILES) $(SDKCONFIG) $(BUILD_DIR_BASE)/ldgen.section_infos \
$(shell $(PYTHON) $(IDF_PATH)/tools/ldgen/lddeps.py $(abspath $(1)))
@echo 'Generating $(notdir $(2))'
$(PYTHON) $(IDF_PATH)/tools/ldgen/ldgen.py \
--input $(1) \
--config $(SDKCONFIG) \
--fragments $(LDGEN_FRAGMENT_FILES) \
--output $(2) \
--sections $(BUILD_DIR_BASE)/ldgen.section_infos \
--kconfig $(IDF_PATH)/Kconfig \
--env "COMPONENT_KCONFIGS=$(foreach k, $(COMPONENT_KCONFIGS), $(shell cygpath -w $(k)))" \
--env "COMPONENT_KCONFIGS_PROJBUILD=$(foreach k, $(COMPONENT_KCONFIGS_PROJBUILD), $(shell cygpath -w $(k)))" \
--env "IDF_CMAKE=n"
endef
else # ON_WINDOWS
define ldgen_process_template
$(BUILD_DIR_BASE)/ldgen.section_infos: $(LDGEN_SECTIONS_INFO_FILES) $(IDF_PATH)/make/ldgen.mk
printf "$(foreach info,$(LDGEN_SECTIONS_INFO_FILES),$(info)\n)" > $(BUILD_DIR_BASE)/ldgen.section_infos
$(2): $(1) $(LDGEN_FRAGMENT_FILES) $(SDKCONFIG) $(BUILD_DIR_BASE)/ldgen.section_infos \
$(shell $(PYTHON) $(IDF_PATH)/tools/ldgen/lddeps.py $(abspath $(1)))
@echo 'Generating $(notdir $(2))'
$(PYTHON) $(IDF_PATH)/tools/ldgen/ldgen.py \
--input $(1) \
--config $(SDKCONFIG) \
--fragments $(LDGEN_FRAGMENT_FILES) \
--output $(2) \
--sections $(BUILD_DIR_BASE)/ldgen.section_infos \
--kconfig $(IDF_PATH)/Kconfig \
--env "COMPONENT_KCONFIGS=$(COMPONENT_KCONFIGS)" \
--env "COMPONENT_KCONFIGS_PROJBUILD=$(COMPONENT_KCONFIGS_PROJBUILD)" \
--env "IDF_CMAKE=n"
endef
endif # ON_WINDOWS
define ldgen_create_commands
$(foreach lib, $(COMPONENT_LIBRARIES), \
$(eval $(call ldgen_generate_target_sections_info, $(BUILD_DIR_BASE)/$(lib)/lib$(lib).a)))
ldgen-clean:
rm -f $(LDGEN_SECTIONS_INFO_FILES)
rm -f $(BUILD_DIR_BASE)/ldgen.section_infos
endef
# Target to generate sections info file from objdump of component archive
define ldgen_generate_target_sections_info
$(1).sections_info: $(1)
@echo 'Generating $(notdir $(1).sections_info)'
$(OBJDUMP) -h $(1) > $(1).sections_info
endef