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Blackfin: enable --gc-sections

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Start building all Blackfin boards with -ffunction-sections/-fdata-sections
and linking with --gc-sections.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2008-10-24 18:18:16 -04:00
parent ee1d2001ea
commit 6957a6209b
2 changed files with 4 additions and 0 deletions
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3
blackfin_config.mk
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@ -27,6 +27,9 @@ CONFIG_BFIN_BOOT_MODE := $(strip $(subst ",,$(CONFIG_BFIN_BOOT_MODE)))
PLATFORM_RELFLAGS += -ffixed-P5 -fomit-frame-pointer
PLATFORM_CPPFLAGS += -DCONFIG_BLACKFIN
LDFLAGS += --gc-sections
PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
ifneq (,$(CONFIG_BFIN_CPU))
PLATFORM_RELFLAGS += -mcpu=$(CONFIG_BFIN_CPU)
endif

1
cpu/blackfin/Makefile
View File

@ -47,6 +47,7 @@ $(obj)bootrom-asm-offsets.h: $(obj)bootrom-asm-offsets.s
# make sure our initcode (which goes into LDR) does not
# have relocs or external references
$(obj)initcode.o: CFLAGS += -fno-function-sections -fno-data-sections
READINIT = env LC_ALL=C $(CROSS_COMPILE)readelf -s $<
check_initcode: $(obj)initcode.o
ifneq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_BYPASS)