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riscv: Enable function sections

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The linker can remove sections that are never addressed, so it makes a lot
of sense to declare every function as an individual section.

This reduces the output U-Boot code size by ~30kb for me.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2018-04-23 07:59:44 +02:00 committed by Andes
parent a7f99e5dd7
commit 6cc1a2af46
1 changed files with 1 additions and 1 deletions
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arch/riscv/config.mk
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@ -29,5 +29,5 @@ CONFIG_STANDALONE_LOAD_ADDR = 0x00000000 \
-T $(srctree)/examples/standalone/riscv.lds
PLATFORM_CPPFLAGS += -ffixed-gp -fpic
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -gdwarf-2
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -gdwarf-2 -ffunction-sections
LDFLAGS_u-boot += --gc-sections -static -pie