From cb2da50f0f7b62f2ef806bdc61ec34d103542fbb Mon Sep 17 00:00:00 2001 From: Thomas Chou Date: Fri, 28 May 2010 12:08:10 +0800 Subject: [PATCH] nios2: use gc sections to reduce image size Follow the discussion of Charles Manning and Mike Frysinger. Using gc_sections helps reduce image size. Configuring for nios2-generic board... Before, text data bss dec hex filename 123979 3724 22892 150595 24c43 /tmp/u-boot/u-boot After, text data bss dec hex filename 115983 3800 22732 142515 22cb3 /tmp/u-boot/u-boot Signed-off-by: Thomas Chou Signed-off-by: Scott McNutt --- arch/nios2/config.mk | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/nios2/config.mk b/arch/nios2/config.mk index 793cc43..aba96b3 100644 --- a/arch/nios2/config.mk +++ b/arch/nios2/config.mk @@ -30,3 +30,6 @@ PLATFORM_CPPFLAGS += -DCONFIG_NIOS2 -D__NIOS2__ PLATFORM_CPPFLAGS += -G0 LDSCRIPT ?= $(SRCTREE)/$(CPUDIR)/u-boot.lds + +LDFLAGS += --gc-sections +PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections