riscv: enable -fdata-sections
Enable the -fdata-sections compiler option for RISC-V. Buildman reports
the binary size decrease from this as 8365.3 bytes.
Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
diff --git a/arch/riscv/config.mk b/arch/riscv/config.mk
index 97e2d41..ff4fe64 100644
--- a/arch/riscv/config.mk
+++ b/arch/riscv/config.mk
@@ -27,7 +27,8 @@
LDFLAGS_STANDALONE += -T $(srctree)/examples/standalone/riscv.lds
PLATFORM_CPPFLAGS += -ffixed-gp -fpic
-PLATFORM_RELFLAGS += -fno-common -gdwarf-2 -ffunction-sections
+PLATFORM_RELFLAGS += -fno-common -gdwarf-2 -ffunction-sections \
+ -fdata-sections
LDFLAGS_u-boot += --gc-sections -static -pie
EFI_CRT0 := crt0_riscv_efi.o