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Precisely preserve the timestamps when stripping debugging symbols #2642

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livecodesebastien merged 3 commits into from
Sep 8, 2015
Merged

Precisely preserve the timestamps when stripping debugging symbols #2642

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99bd775
Precisely preserve the timestamps when stripping debugging symbols
livecodestephen Jul 23, 2015
005d6d6
Remove the correct file in tools/extract-debug-symbols.sh
livecodestephen Jul 27, 2015
b7180c7
Ignore failure to copy attributes in extract-debug-symbols.sh
livecodestephen Jul 31, 2015
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13 changes: 10 additions & 3 deletions tools/extract-debug-symbols.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -16,16 +16,23 @@ function extract_linux_or_android {
for input in $@ ; do
output="${input}${suffix}"

# The --preserver-dates flag for strip and objcopy only has whole
# second resolution, so copy the timestamps to a separate file instead
cp --attributes-only --preserve=timestamps "$input" "$input.timestamps" 2>&1 || true

# Extract a copy of the debugging information
$OBJCOPY --only-keep-debug "$input" "$output"

# Because we export symbols from the engine, only debug symbols
# should be stripped.
$STRIP -x --preserve-dates --strip-debug "$input"
$STRIP -x --strip-debug "$input"

# Add a hint for the debugger so it can find the debug info
$OBJCOPY --preserve-dates --remove-section=.gnu_debuglink "$input"
$OBJCOPY --preserve-dates --add-gnu-debuglink="$output" "$input"
$OBJCOPY --remove-section=.gnu_debuglink "$input"
$OBJCOPY --add-gnu-debuglink="$output" "$input"

cp --attributes-only --preserve=timestamps "$input.timestamps" "$input" 2>&1 || true
rm "$input.timestamps" 2>&1 || true
done

}
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