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Makefile: use -f{function,data}-sections, don’t rename sections

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Platform- and application-specific section placement is best done in
the application makefiles and linker scripts. On the other hand,
compiling with split sections allows code and data usage to be reduced
without tuning specific options in config file.
This commit is contained in:
Ivan Grokhotkov
2017-04-29 22:26:08 +08:00
parent da2dabf4ed
commit 78c24497f9
1 changed files with 2 additions and 6 deletions
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8
Makefile
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@@ -43,6 +43,8 @@ CFLAGS+=-std=c99 -DESP8266
CFLAGS += -Wall -Os -g -O2 -Wpointer-arith -Wl,-EL -nostdlib -mlongcalls -mno-text-section-literals -D__ets__ -DICACHE_FLASH
CFLAGS += -ffunction-sections -fdata-sections
MFORCE32 := $(shell $(CC) --help=target | grep mforce-l32)
ifneq ($(MFORCE32),)
# If the compiler supports the -mforce-l32 flag, the compiler will generate correct code for loading
@@ -62,12 +64,6 @@ all: $(AXTLS_AR)
$(AXTLS_AR): | $(BIN_DIR)
$(AXTLS_AR): $(OBJ_FILES)
for file in $(OBJ_FILES); do \
$(OBJCOPY) \
--rename-section .text=.irom0.text \
--rename-section .literal=.irom0.literal \
$$file; \
done
$(AR) cru $@ $^
$(BIN_DIR):