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sim: Enable garbage collection of unused input sections

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LDFLAGS += -Wl,--gc-sections

GC should be enabled on arch/sim/src/Makefile:

326   $(if $(CONFIG_HAVE_CXX),\
327   $(Q) "$(CXX)" $(CFLAGS) $(LDFLAGS) -o $(TOPDIR)/$@ $(HEADOBJ) nuttx.rel $(HOSTOBJS) $(STDLIBS),\
328   $(Q) "$(CC)" $(CFLAGS) $(LDFLAGS) -o $(TOPDIR)/$@ $(HEADOBJ) nuttx.rel $(HOSTOBJS) $(STDLIBS))

Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2022-03-15 22:20:51 +08:00 committed by Petro Karashchenko
parent 50578dc501
commit 7a27b58ca1
1 changed files with 6 additions and 0 deletions
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6
boards/sim/sim/sim/scripts/Make.defs
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@ -210,6 +210,12 @@ endif
LDELFFLAGS = -r -e main --gc-sections LDELFFLAGS = -r -e main --gc-sections
LDELFFLAGS += -T $(call CONVERT_PATH,$(BOARD_DIR)$(DELIM)scripts$(DELIM)gnu-elf.ld) LDELFFLAGS += -T $(call CONVERT_PATH,$(BOARD_DIR)$(DELIM)scripts$(DELIM)gnu-elf.ld)
ifeq ($(CONFIG_HOST_MACOS),y)
LDFLAGS += -Wl,-dead_strip
else
LDFLAGS += -Wl,--gc-sections
endif
ifeq ($(CONFIG_SIM_M32),y) ifeq ($(CONFIG_SIM_M32),y)
LDLINKFLAGS += -melf_i386 LDLINKFLAGS += -melf_i386
LDFLAGS += -m32 LDFLAGS += -m32