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      1 #!/bin/bash
      2 
      3 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
      4 # Use of this source code is governed by a BSD-style license that can be
      5 # found in the LICENSE file.
      6 
      7 # This script expects the following environment variables to be set.  Xcode
      8 # normally sets them:
      9 #
     10 # CONFIGURATION - Release or Debug; this script only operates when Release.
     11 # SRCROOT - /path/to/chrome/src/chrome
     12 # BUILT_PRODUTS_DIR - /path/to/chrome/src/xcodebuild/Release
     13 #
     14 # The script also takes a single argument defining the branding type.
     15 #
     16 # To test this script without running an entire build:
     17 #
     18 # cd /path/to/chrome/src/chrome
     19 # CONFIGURATION=Release \
     20 #     SRCROOT=$(pwd) \
     21 #     BUILT_PRODUCTS_DIR=$(pwd)/../xcodebuild/Release \
     22 #     tools/build/mac/dump_app_syms Chromium
     23 
     24 # Make sure we got the header to write into passed to us
     25 if [ $# -ne 1 ]; then
     26   echo "error: missing branding as an argument" >&2
     27   exit 1
     28 fi
     29 
     30 set -ex
     31 
     32 # Skip out if we're aren't in Release mode, no need for dump_syms on debug runs.
     33 if [ "${CONFIGURATION}" != "Release" ] ; then
     34   exit 0
     35 fi
     36 
     37 TOP="${SRCROOT}/.."
     38 BUILD_BRANDING=$1
     39 
     40 BRAND_SCRIPT="${TOP}/build/branding_value.sh"
     41 SRC_APP_NAME=$("${BRAND_SCRIPT}" "${BUILD_BRANDING}" PRODUCT_FULLNAME)
     42 . "${TOP}/chrome/VERSION"
     43 
     44 BREAKPAD_DUMP_SYMS="${BUILT_PRODUCTS_DIR}/dump_syms"
     45 FULL_VERSION="${MAJOR}.${MINOR}.${BUILD}.${PATCH}"
     46 
     47 DSYM_TAR_PATH="${BUILT_PRODUCTS_DIR}/${SRC_APP_NAME}.dSYM.tar.bz2"
     48 
     49 # Starting with an already-dumped symbol file at ${original_sym_path},
     50 # transforms the MODULE line (which must be the first line) from referring to
     51 # ${original_stem} to refer to ${variant_stem}. The transformed symbol file
     52 # is written to a symbol file at the same location that a symbol file would
     53 # be written to if ${variant_name} were in the SRC_NAMES array below.
     54 #
     55 # If the transformed symbol file already appears more recent than
     56 # ${original_sym_path}, it is left alone.
     57 redump_syms_variant() {
     58   local original_sym_path="${1}"
     59   local original_stem="${2}"
     60   local variant_stem="${3}"
     61   local variant_name="${4}"
     62   local arch="${5}"
     63 
     64   local variant_sym_name="${variant_name}-${FULL_VERSION}-${arch}.breakpad"
     65   local variant_sym_path="${BUILT_PRODUCTS_DIR}/${variant_sym_name}"
     66 
     67   if [[ "${original_sym_path}" -nt "${variant_sym_path}" ]]; then
     68     local pattern="\
     69 1s/^(MODULE [^ ]+ [^ ]+ [0-9a-fA-F]{33}) ${original_stem}\$/\1 ${variant_stem}/"
     70     sed -E -e "${pattern}" < "${original_sym_path}" > "${variant_sym_path}"
     71   fi
     72 }
     73 
     74 declare -a DSYMS
     75 
     76 # Everything in SRC_NAMES is required. It's an error for any of these files
     77 # to be missing.
     78 SRC_NAMES=(
     79     "${SRC_APP_NAME}.app"
     80     "${SRC_APP_NAME} Framework.framework"
     81     "${SRC_APP_NAME} Helper.app"
     82     "crash_inspector"
     83     "crash_report_sender.app"
     84     "ffmpegsumo.so"
     85     "libplugin_carbon_interpose.dylib"
     86     "ppGoogleNaClPluginChrome.plugin"
     87     "remoting_host_plugin.plugin"
     88 )
     89 
     90 # PDF.plugin is optional. Only include it if present.
     91 if [[ -e "${BUILT_PRODUCTS_DIR}/PDF.plugin" ]]; then
     92   SRC_NAMES[${#SRC_NAMES[@]}]="PDF.plugin"
     93 fi
     94 
     95 # libpeerconnection.so is optional. Currently only built when branding=Chrome
     96 # but will in the future also be built for Chromium, so we do a simple check.
     97 # TODO(tommi): Remove this check and move libpeerconnection.so into the required
     98 # section when libpeerconnection.so is built for all configs.
     99 if [[ -e "${BUILT_PRODUCTS_DIR}/libpeerconnection.so" ]]; then
    100   SRC_NAMES[${#SRC_NAMES[@]}]="libpeerconnection.so"
    101 fi
    102 
    103 for SRC_NAME in "${SRC_NAMES[@]}"; do
    104   # SRC_STEM is the name of the file within the DWARF directory of the .dSYM
    105   # bundle, which comes from the on-disk name of an executable or dylib within
    106   # its enclosing .app, .framework or .plugin bundle.  This is the bundle name
    107   # without .app, .framework or .plugin appended.  For non-bundled types, the
    108   # stem is just the name of the singular file on disk.
    109   SRC_STEM=$(echo "${SRC_NAME}" | sed -Ee 's/\.(app|framework|plugin)$//')
    110   DSYM_NAME="${SRC_NAME}.dSYM"
    111   DSYM_PATH="${BUILT_PRODUCTS_DIR}/${DSYM_NAME}"
    112   DWARF_PATH="${DSYM_PATH}/Contents/Resources/DWARF/${SRC_STEM}"
    113 
    114   ARCHS=$(file "${DWARF_PATH}" | sed -Ene 's/^.*(i386|x86_64)$/\1/p')
    115   if [[ -z "${ARCHS}" ]]; then
    116     echo "${0}: expected something dumpable in ${DWARF_PATH}" >& 2
    117     exit 1
    118   fi
    119 
    120   for ARCH in ${ARCHS}; do
    121     BPAD_SYM_NAME="${SRC_NAME}-${FULL_VERSION}-${ARCH}.breakpad"
    122     BPAD_SYM_PATH="${BUILT_PRODUCTS_DIR}/${BPAD_SYM_NAME}"
    123 
    124     # Only run dump_syms if the file has changed since the last dump. Use -c
    125     # to avoid dumping CFI, because the Breakpad stackwalk is incompatible
    126     # with CFI produced by clang.
    127     # http://code.google.com/p/google-breakpad/issues/detail?id=443
    128     if [ "${DWARF_PATH}" -nt "${BPAD_SYM_PATH}" ] ; then
    129       "${BREAKPAD_DUMP_SYMS}" -a "${ARCH}" -c "${DWARF_PATH}" > \
    130           "${BPAD_SYM_PATH}"
    131     fi
    132 
    133     # Some executables will show up with variant names. The Breakpad symbol
    134     # server looks up modules based on a combination of the module name and
    135     # identifier (UUID). Produce symbol files for these variant names so that
    136     # the Breakpad symbol server will have something to return for stacks that
    137     # travel through these modules.
    138     case "${SRC_NAME}" in
    139       "${SRC_APP_NAME}.app")
    140         # Google Chrome Canary is produced during packaging.
    141         redump_syms_variant "${BPAD_SYM_PATH}" "${SRC_STEM}" \
    142                             "${SRC_STEM} Canary" "${SRC_STEM} Canary.app" \
    143                             "${ARCH}"
    144         ;;
    145 
    146       "${SRC_APP_NAME} Helper.app")
    147         # Google Chrome Helper EH and Google Chrome Helper NP are produced by
    148         # build/mac/make_more_helpers.sh.
    149         redump_syms_variant "${BPAD_SYM_PATH}" "${SRC_STEM}" \
    150                             "${SRC_STEM} EH" "${SRC_STEM} EH.app" "${ARCH}"
    151         redump_syms_variant "${BPAD_SYM_PATH}" "${SRC_STEM}" \
    152                             "${SRC_STEM} NP" "${SRC_STEM} NP.app" "${ARCH}"
    153         ;;
    154     esac
    155   done
    156 
    157   # Remove the .dSYM archive if the file has changed since the archive was
    158   # last generated.  This will cause a new .dSYM archive to be created.
    159   if [ "${DWARF_PATH}" -nt "${DSYM_TAR_PATH}" ] ; then
    160     rm -f "${DSYM_TAR_PATH}"
    161   fi
    162 
    163   # Push the .dSYM bundle onto the DSYMS array so that it will be included in
    164   # the .dSYM archive if a new one is needed
    165   DSYMS[${#DSYMS[@]}]="${DSYM_NAME}"
    166 done
    167 
    168 # Create the archive of .dSYM bundles.
    169 if [ ! -e "${DSYM_TAR_PATH}" ] ; then
    170   # Change directory so that absolute paths aren't included in the archive.
    171   (cd "${BUILT_PRODUCTS_DIR}" &&
    172    tar -jcf "${DSYM_TAR_PATH}" "${DSYMS[@]}")
    173 fi
    174