Merge "Make mini-debug-info stripping pass on already stripped binaries"

define transform-to-stripped-keep-mini-debug-info

@echo "$($(PRIVATE_PREFIX)DISPLAY) Strip (mini debug info): $(PRIVATE_MODULE) ($@)"

@mkdir -p $(dir $@)

$(hide) $(PRIVATE_NM) -D $< --format=posix --defined-only | awk '{ print $$1 }' | sort >$@.dynsyms

$(hide) $(PRIVATE_NM) $< --format=posix --defined-only | awk '{ if ($$2 == "T" || $$2 == "t" || $$2 == "D") print $$1 }' | sort >$@.funcsyms

$(hide) comm -13 $@.dynsyms $@.funcsyms >$@.keep_symbols

$(hide) $(PRIVATE_OBJCOPY) --only-keep-debug $< $@.debug

$(hide) $(PRIVATE_OBJCOPY) --rename-section .debug_frame=saved_debug_frame $@.debug $@.mini_debuginfo

$(hide) $(PRIVATE_OBJCOPY) -S --remove-section .gdb_index --remove-section .comment --keep-symbols=$@.keep_symbols $@.mini_debuginfo

$(hide) $(PRIVATE_OBJCOPY) --rename-section saved_debug_frame=.debug_frame $@.mini_debuginfo

$(hide) $(PRIVATE_STRIP) --strip-all -R .comment $< -o $@

$(hide) rm -f $@.mini_debuginfo.xz

$(hide) xz $@.mini_debuginfo

$(hide) $(PRIVATE_OBJCOPY) --add-section .gnu_debugdata=$@.mini_debuginfo.xz $@

$(hide) rm -f $@.dynsyms $@.funcsyms $@.keep_symbols $@.debug $@.mini_debuginfo.xz

$(hide) rm -f $@ $@.dynsyms $@.funcsyms $@.keep_symbols $@.debug $@.mini_debuginfo.xz

if $(PRIVATE_STRIP) --strip-all -R .comment $< -o $@; then \

  $(PRIVATE_OBJCOPY) --only-keep-debug $< $@.debug && \

  $(PRIVATE_NM) -D $< --format=posix --defined-only | awk '{ print $$1 }' | sort >$@.dynsyms && \

  $(PRIVATE_NM) $< --format=posix --defined-only | awk '{ if ($$2 == "T" || $$2 == "t" || $$2 == "D") print $$1 }' | sort >$@.funcsyms && \

  comm -13 $@.dynsyms $@.funcsyms >$@.keep_symbols && \

  $(PRIVATE_OBJCOPY) --rename-section .debug_frame=saved_debug_frame $@.debug $@.mini_debuginfo && \

  $(PRIVATE_OBJCOPY) -S --remove-section .gdb_index --remove-section .comment --keep-symbols=$@.keep_symbols $@.mini_debuginfo && \

  $(PRIVATE_OBJCOPY) --rename-section saved_debug_frame=.debug_frame $@.mini_debuginfo && \

  rm -f $@.mini_debuginfo.xz && \

  xz $@.mini_debuginfo && \

  $(PRIVATE_OBJCOPY) --add-section .gnu_debugdata=$@.mini_debuginfo.xz $@; \

else \

  cp -f $< $@; \

fi

endef

define transform-to-stripped-keep-symbols