mirror of
https://github.com/PCRE2Project/pcre2.git
synced 2025-10-16 22:35:45 +08:00
116 lines
2.9 KiB
Bash
Executable File
116 lines
2.9 KiB
Bash
Executable File
#! /bin/sh
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# Script to test that all the symbols of a shared object are as expected.
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set -e
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# Ensure stable ordering of `sort` output
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LANG=C
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LC_ALL=C
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export LANG LC_ALL
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if [ "$1" = "" -o "$2" = "" ] ; then
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echo "Usage: $0 <so_dir> <manifest_dir>" >&2
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exit 1
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fi
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input_dir="$1"
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manifest_dir="$2"
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sed=sed
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grep=grep
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# Helpers for Solaris
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if [ -f /usr/bin/gsed ] ; then
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sed=/usr/bin/gsed
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fi
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if [ -f /usr/bin/ggrep ] ; then
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grep=/usr/bin/ggrep
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fi
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nm="nm -B -D"
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if [ "`uname -s`" = "Linux" ]; then
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nm="$nm --with-symbol-versions"
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elif [ "`uname -s`" = "FreeBSD" ]; then
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# Use llvm-nm to get symbol version information
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nm="llvm-nm -B -D"
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elif [ "`uname -s`" = "SunOS" ]; then
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# Highly annoyingly, Solaris' nm doesn't show symbol versions, so here is a
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# laborious way to reformat the output of elfdump to be as we require.
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#nm="nm -p -h -D -g"
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nm=emulated_nm
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emulated_nm()
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{
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# Grab the versions from the version table, and convert into a sed script.
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VERSUB=`elfdump -v "$1" | \
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$grep -E '^\s*\[[0-9]+\]' | \
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$sed -E -e 's/\s+/,/g' | \
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tr -d '\[\]' | \
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cut -d',' -f 2,3 | \
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$sed -E -e 's/([0-9]+),(.*)/s\/@@\1\/@@\2\/;/'`
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# Then grab the symbols and heavily reformat the output to match nm.
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elfdump -T SHT_DYNSYM "$1" | \
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$grep -E '^\s*\[[0-9]+\]' | \
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$sed -E -e 's/\s+/ /g' | \
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cut -d' ' -f 3,8,9,10 | \
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$sed -E -e 's/^0x//;s/([^ ]*) ([^ ]*) ([^ ]*) ([^ ]*)/\1 \3 \4@@\2/;' | \
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$sed -E -e 's/^([^ ]*) .text /\1 T /' | \
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$sed -E -e 's/^([^ ]*) ([UA])(NDEF|BS) /\1 \2 /' | \
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$sed -E -e "$VERSUB"
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}
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elif [ "`uname -s`" = "Darwin" ]; then
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nm="nm -B -g"
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fi
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supports_versions=1
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if [ "`uname -s`" = "Darwin" ]; then
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supports_versions=0
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fi
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so_ext=so
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so_mangling() { cat; }
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if [ "`uname -s`" = "Darwin" ]; then
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so_ext=dylib
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so_mangling()
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{
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$sed -E -e 's/_([_0-9a-zA-Z]+)$/\1/g'
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}
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fi
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for so_name in "libpcre2-8" "libpcre2-16" "libpcre2-32" "libpcre2-posix"; do
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expected_file="$manifest_dir/manifest-$so_name.so"
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so_file="$input_dir/$so_name.$so_ext"
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base=`basename $expected_file`
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$nm "$so_file" | \
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$sed -E -e 's/^[0-9a-fA-F]* *//g' | \
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$grep -E -v '^[Uw] ' | \
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$grep -E -v '^A PCRE2_' | \
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$grep -E -v ' (_init|_fini)($|@)' | \
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$grep -E -v ' (_end|_DYNAMIC|_GLOBAL_OFFSET_TABLE_|_PROCEDURE_LINKAGE_TABLE_|_edata|_etext)($|@)' | \
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so_mangling | \
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sort \
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> "$base.actual"
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if [ $supports_versions -eq 0 ]; then
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$sed -E -e 's/@.*$//' "$expected_file" \
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> "$base.expected"
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else
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cp "$expected_file" "$base.expected"
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fi
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if ! diff -u "$base.expected" "$base.actual"; then
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echo "Shared object contents for $so_file differ from expected"
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echo "===Actual==="
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cat "$base.actual"
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echo "===End==="
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exit 1
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fi
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echo "Shared object contents for $so_file match expected"
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rm -f "$base.expected" "$base.actual"
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done
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