diff options
| -rw-r--r-- | Makefile | 15 | ||||
| -rw-r--r-- | firmware/fw_base.ldS | 1 |
2 files changed, 10 insertions, 6 deletions
@@ -355,12 +355,7 @@ GENFLAGS += $(libsbiutils-genflags-y) GENFLAGS += $(platform-genflags-y) GENFLAGS += $(firmware-genflags-y) -CFLAGS = -g -Wall -Werror -ffreestanding -nostdlib -fno-stack-protector -fno-strict-aliasing -ifneq ($(DEBUG),) -CFLAGS += -O0 -else -CFLAGS += -O2 -endif +CFLAGS = -g -Wall -Werror -ffreestanding -nostdlib -fno-stack-protector -fno-strict-aliasing -ffunction-sections -fdata-sections CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls # Optionally supported flags ifeq ($(CC_SUPPORT_SAVE_RESTORE),y) @@ -406,6 +401,7 @@ ASFLAGS += $(firmware-asflags-y) ARFLAGS = rcs ELFFLAGS += $(USE_LD_FLAG) +ELFFLAGS += -Wl,--gc-sections ifeq ($(OPENSBI_LD_EXCLUDE_LIBS),y) ELFFLAGS += -Wl,--exclude-libs,ALL endif @@ -424,6 +420,13 @@ MERGEFLAGS += -m elf$(PLATFORM_RISCV_XLEN)lriscv DTSCPPFLAGS = $(CPPFLAGS) -nostdinc -nostdlib -fno-builtin -D__DTS__ -x assembler-with-cpp +ifneq ($(DEBUG),) +CFLAGS += -O0 +ELFFLAGS += -Wl,--print-gc-sections +else +CFLAGS += -O2 +endif + # Setup functions for compilation define dynamic_flags -I$(shell dirname $(2)) -D__OBJNAME__=$(subst -,_,$(shell basename $(1) .o)) diff --git a/firmware/fw_base.ldS b/firmware/fw_base.ldS index fb479848..a33746a0 100644 --- a/firmware/fw_base.ldS +++ b/firmware/fw_base.ldS @@ -20,6 +20,7 @@ PROVIDE(_text_start = .); *(.entry) *(.text) + *(.text.*) . = ALIGN(8); PROVIDE(_text_end = .); } |