diff options
Diffstat (limited to 'src/third_party/unwind/dist/tests/run-coredump-unwind')
-rwxr-xr-x | src/third_party/unwind/dist/tests/run-coredump-unwind | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/tests/run-coredump-unwind b/src/third_party/unwind/dist/tests/run-coredump-unwind new file mode 100755 index 00000000000..8d077425746 --- /dev/null +++ b/src/third_party/unwind/dist/tests/run-coredump-unwind @@ -0,0 +1,53 @@ +#!/bin/sh + +# this function is slight modification of the one used in RPM +# found at https://bugzilla.redhat.com/show_bug.cgi?id=834073 +# written by Alexander Larsson <alexl@redhat.com> +add_minidebug() +{ + debuginfo="$1" ## we don't have separate debuginfo file + binary="$1" + + dynsyms=`mktemp` + funcsyms=`mktemp` + keep_symbols=`mktemp` + mini_debuginfo=`mktemp` + + # Extract the dynamic symbols from the main binary, there is no need to also have these + # in the normal symbol table + nm -D "$binary" --format=posix --defined-only | awk '{ print $1 }' | sort > "$dynsyms" + # Extract all the text (i.e. function) symbols from the debuginfo + nm "$debuginfo" --format=posix --defined-only | awk '{ if ($2 == "T" || $2 == "t") print $1 }' | sort > "$funcsyms" + # Keep all the function symbols not already in the dynamic symbol table + comm -13 "$dynsyms" "$funcsyms" > "$keep_symbols" + # Copy the full debuginfo, keeping only a minumal set of symbols and removing some unnecessary sections + objcopy -S --remove-section .gdb_index --remove-section .comment --keep-symbols="$keep_symbols" "$debuginfo" "$mini_debuginfo" &> /dev/null + #Inject the compressed data into the .gnu_debugdata section of the original binary + xz "$mini_debuginfo" + mini_debuginfo="${mini_debuginfo}.xz" + objcopy --add-section .gnu_debugdata="$mini_debuginfo" "$binary" + rm -f "$dynsyms" "$funcsyms" "$keep_symbols" "$mini_debuginfo" + + strip "$binary" ## throw away the symbol table +} + + +TESTDIR=`pwd` +TEMPDIR=`mktemp --tmpdir -d libunwind-test-XXXXXXXXXX` +trap "rm -r -- $TEMPDIR" EXIT + +cp crasher $TEMPDIR/crasher +if [ "$1" = "-minidebuginfo" ]; then + add_minidebug $TEMPDIR/crasher +fi + +# create core dump +( + cd $TEMPDIR + ulimit -c 10000 + ./crasher backing_files +) 2>/dev/null +COREFILE=$TEMPDIR/core* + +# magic option -testcase enables checking for the specific contents of the stack +./test-coredump-unwind $COREFILE -testcase `cat $TEMPDIR/backing_files` |