diff options
Diffstat (limited to 'makefiles/toolchain_gnu-arm-eabi.mk')
| -rw-r--r-- | makefiles/toolchain_gnu-arm-eabi.mk | 61 |
1 files changed, 43 insertions, 18 deletions
diff --git a/makefiles/toolchain_gnu-arm-eabi.mk b/makefiles/toolchain_gnu-arm-eabi.mk index 0a1ee18e9..108476782 100644 --- a/makefiles/toolchain_gnu-arm-eabi.mk +++ b/makefiles/toolchain_gnu-arm-eabi.mk @@ -119,7 +119,7 @@ AFLAGS = $(CFLAGS) -D__ASSEMBLY__ LDFLAGS += --warn-common \ --gc-sections \ - -T $(LDSCRIPT) \ + $(addprefix -T,$(LDSCRIPT)) \ $(addprefix -L,$(LIB_DIRS)) LIBGCC := $(shell $(CC) $(ARCHCPUFLAGS) -print-libgcc-file-name) @@ -134,51 +134,76 @@ DEP_INCLUDES = $(subst .o,.d,$(OBJS)) # compile C source $1 to object $2 # as a side-effect, generate a dependency file define COMPILE - @echo "CC <- $1" - @echo "CC -> $2" - @mkdir -p $(dir $2) + @$(ECHO) "CC <- $1" + @$(ECHO) "CC -> $2" + @$(MKDIR) -p $(dir $2) $(Q) $(CC) -MD -c $(CFLAGS) $(abspath $1) -o $2 endef # compile C++ source $1 to $2 # as a side-effect, generate a dependency file define COMPILEXX - @echo "CXX: $1" - @mkdir -p $(dir $2) + @$(ECHO) "CXX: $1" + @$(MKDIR) -p $(dir $2) $(Q) $(CXX) -MD -c $(CXXFLAGS) $(abspath $1) -o $2 endef # assemble $1 into $2 define ASSEMBLE - @echo "AS: $1" - @mkdir -p $(dir $2) + @$(ECHO) "AS: $1" + @$(MKDIR) -p $(dir $2) $(Q) $(CC) -c $(AFLAGS) $(abspath $1) -o $2 endef # produce partially-linked $1 from files in $2 define PRELINK - @echo "PRELINK: $1" - @mkdir -p $(dir $1) + @$(ECHO) "PRELINK: $1" + @$(MKDIR) -p $(dir $1) $(Q) $(LD) -Ur -o $1 $2 && $(OBJCOPY) --localize-hidden $1 endef # update the archive $1 with the files in $2 define ARCHIVE - @echo "AR: $2" - @mkdir -p $(dir $1) + @$(ECHO) "AR: $2" + @$(MKDIR) -p $(dir $1) $(Q) $(AR) $1 $2 endef -# Link the objects in $2 into the binary $1 +# link the objects in $2 into the binary $1 define LINK - @echo "LINK: $1" - @mkdir -p $(dir $1) + @$(ECHO) "LINK: $1" + @$(MKDIR) -p $(dir $1) $(Q) $(LD) $(LDFLAGS) -o $1 --start-group $2 $(LIBS) $(EXTRA_LIBS) $(LIBGCC) --end-group endef -# convert $1 from a linked object to a raw binary +# convert $1 from a linked object to a raw binary in $2 define SYM_TO_BIN - @echo "BIN: $2" - @mkdir -p $(dir $2) + @$(ECHO) "BIN: $2" + @$(MKDIR) -p $(dir $2) $(Q) $(OBJCOPY) -O binary $1 $2 endef + +# Take the raw binary $1 and make it into an object file $2. +# The symbol $3 points to the beginning of the file, and $3_len +# gives its length. +# +# - compile an empty file to generate a suitable object file +# - relink the object and insert the binary file +# - edit symbol names to suit +# +define BIN_SYM_PREFIX + _binary_$(subst /,_,$(subst .,_,$1)) +endef +define BIN_TO_OBJ + @$(ECHO) "WRAP: $2" + @$(MKDIR) -p $(dir $2) + $(Q) $(ECHO) > $2.c + $(call COMPILE,$2.c,$2.c.o) + $(LD) -r -o $2 $2.c.o -b binary $1 + $(OBJCOPY) $2 \ + --redefine-sym $(call BIN_SYM_PREFIX,$1)_start=$3 \ + --redefine-sym $(call BIN_SYM_PREFIX,$1)_size=$3_len \ + --strip-symbol $(call BIN_SYM_PREFIX,$1)_end +endef + +# $(Q) $(OBJCOPY) --add-section .rodata.$3=$1 $2 |