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

Prebuilts may already be stripped.  Instead of requiring every stripped
prebuilt to be annotated with LOCAL_STRIP_MODULE := false, just make
the default (mini-debug-info) pass through already-stripped modules
without failing.

Bug: 36793128
Test: m -j checkbuild
Change-Id: Iafc4614ceb91bbbb2e5ff82caefd18753f8961b1
This commit is contained in:
Colin Cross 2017-04-13 14:42:44 -07:00
parent 4d15a84fc0
commit 5e93057da4
1 changed files with 15 additions and 12 deletions
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27
core/definitions.mk
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@ -1826,18 +1826,21 @@ endef
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