dark0707
/
px4-firmware
forked from Archive/PX4-Autopilot
1
0
Fork 0
Code Pull Requests Activity

Fix generating $3_len in BIN_TO_OBJ makefile function

This commit is contained in:
Michal Ulianko 2015-03-19 19:50:05 +01:00
parent b938f12ccb
commit c5ae02deda
1 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
makefiles/toolchain_gnu-arm-eabi.mk
View File

@ -296,6 +296,9 @@ endef
#
# - compile an empty file to generate a suitable object file
# - relink the object and insert the binary file
# - extract the length
# - create const unsigned $3_len with the extracted length as its value and compile it to an object file
# - link the two generated object files together
# - edit symbol names to suit
#
# NOTE: exercise caution using this with absolute pathnames; it looks
@ -320,11 +323,14 @@ define BIN_TO_OBJ
@$(MKDIR) -p $(dir $2)
$(Q) $(ECHO) > $2.c
$(call COMPILE,$2.c,$2.c.o)
$(Q) $(LD) -r -o $2 $2.c.o -b binary $1
$(Q) $(LD) -r -o $2.bin.o $2.c.o -b binary $1
$(Q) $(ECHO) "const unsigned int $3_len = 0x`$(NM) $2.bin.o | egrep $(call BIN_SYM_PREFIX,$1)_size$$ | cut -d' ' -f1`;" > $2.c
$(call COMPILE,$2.c,$2.c.o)
$(Q) $(LD) -r -o $2 $2.c.o $2.bin.o
$(Q) $(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)_size \
--strip-symbol $(call BIN_SYM_PREFIX,$1)_end \
--rename-section .data=.rodata
$(Q) $(REMOVE) $2.c $2.c.o
$(Q) $(REMOVE) $2.c $2.c.o $2.bin.o
endef