build: Generate breakpad symbols for GN release builds (#14791)

* Use chromium 's generate_breakpad_symbols.py

* Add breakpad symbol gen to CI.
This commit is contained in:
John Kleinschmidt 2018-09-26 14:56:05 -04:00 committed by GitHub
parent 49f9019007
commit 1b4d425876
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 91 additions and 311 deletions

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@ -25,6 +25,7 @@ env-testing-build: &env-testing-build
env-release-build: &env-release-build
GN_CONFIG: //electron/build/args/release.gn
NOTIFY_SLACK: true
ELECTRON_RELEASE: 1
# Build targets options.
env-ia32: &env-ia32
@ -226,6 +227,18 @@ step-mksnapshot-store: &step-mksnapshot-store
path: src/out/Default/mksnapshot.zip
destination: mksnapshot.zip
step-maybe-generate-breakpad_symbols: &step-maybe-generate-breakpad_symbols
run:
name: Generate breakpad symbols
command: |
if [ "$ELECTRON_RELEASE" == "1" ]; then
cd src
# Build needed dump_syms executable
ninja -C out/Default third_party/breakpad:dump_syms
electron/script/dump-symbols.py -d "$PWD/out/Default/electron.breakpad.syms"
fi
# Lists of steps.
steps-checkout: &steps-checkout
steps:
@ -288,6 +301,7 @@ steps-electron-build-for-tests: &steps-electron-build-for-tests
- *step-electron-build
- *step-electron-dist-build
- *step-electron-dist-store
- *step-maybe-generate-breakpad_symbols
# mksnapshot
- *step-mksnapshot-build

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@ -33,7 +33,13 @@ build_script:
- ninja -C out/Default electron:electron_chromedriver_zip
- appveyor PushArtifact out/Default/dist.zip
- appveyor PushArtifact out/Default/chromedriver.zip
- appveyor PushArtifact out/ffmpeg/ffmpeg.zip
- ps: >-
if ($env:GN_CONFIG -eq 'release') {
python electron\script\dump-symbols.py -d %cd%/out/Default/electron.breakpad.syms
appveyor PushArtifact out/Default/electron.breakpad.syms
}
test_script:
- if "%GN_CONFIG%"=="testing" ( echo Verifying non proprietary ffmpeg & python electron\script\verify-ffmpeg.py --build-dir out\Default --source-root %cd% --ffmpeg-path out\ffmpeg )
- ps: >-

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@ -1,62 +1,88 @@
#!/usr/bin/env python
import argparse
import os
import sys
from lib.config import PLATFORM
from lib.util import electron_gyp, execute, rm_rf
from lib.config import PLATFORM, enable_verbose_mode, is_verbose_mode
from lib.gn import gn
from lib.util import execute, rm_rf
ELECTRON_ROOT = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
SOURCE_ROOT = os.path.abspath(os.path.dirname(ELECTRON_ROOT))
RELEASE_PATH = os.path.join('out', 'Release')
SOURCE_ROOT = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
DIST_DIR = os.path.join(SOURCE_ROOT, 'dist')
OUT_DIR = os.path.join(SOURCE_ROOT, 'out', 'R')
CHROMIUM_DIR = os.path.join(SOURCE_ROOT, 'vendor', 'download',
'libchromiumcontent', 'static_library')
def main(destination):
rm_rf(destination)
(project_name, product_name) = get_names_from_gyp()
def main():
args = parse_args()
if args.verbose:
enable_verbose_mode()
rm_rf(args.destination)
source_root = os.path.abspath(args.source_root)
build_path = os.path.join(source_root, args.build_dir)
product_name = gn(build_path).args().get_string('electron_product_name')
project_name = gn(build_path).args().get_string('electron_project_name')
if PLATFORM in ['darwin', 'linux']:
generate_breakpad_symbols = os.path.join(SOURCE_ROOT, 'tools', 'posix',
'generate_breakpad_symbols.py')
if PLATFORM == 'darwin':
#macOS has an additional helper app; provide the path to that binary also
main_app = os.path.join(OUT_DIR, '{0}.app'.format(product_name),
main_app = os.path.join(build_path, '{0}.app'.format(product_name),
'Contents', 'MacOS', product_name)
helper_name = product_name + " Helper"
helper_app = os.path.join(OUT_DIR, '{0}.app'.format(helper_name),
helper_app = os.path.join(build_path, '{0}.app'.format(helper_name),
'Contents', 'MacOS', product_name + " Helper")
binaries = [main_app, helper_app]
for binary in binaries:
generate_posix_symbols(binary, source_root, build_path,
args.destination)
else:
binaries = [os.path.join(OUT_DIR, project_name)]
args = [
'--build-dir={0}'.format(OUT_DIR),
'--symbols-dir={0}'.format(destination),
'--libchromiumcontent-dir={0}'.format(CHROMIUM_DIR),
'--clear',
'--jobs=16',
]
for binary in binaries:
args += '--binary={0}'.format(binary),
binary = os.path.join(build_path, project_name)
generate_posix_symbols(binary, source_root, build_path,
args.destination)
else:
generate_breakpad_symbols = os.path.join(SOURCE_ROOT, 'tools', 'win',
generate_breakpad_symbols = os.path.join(ELECTRON_ROOT, 'tools', 'win',
'generate_breakpad_symbols.py')
args = [
'--symbols-dir={0}'.format(destination),
'--symbols-dir={0}'.format(args.destination),
'--jobs=16',
os.path.relpath(OUT_DIR),
]
os.path.relpath(build_path),
]
execute([sys.executable, generate_breakpad_symbols] + args)
execute([sys.executable, generate_breakpad_symbols] + args)
def get_names_from_gyp():
variables = electron_gyp()
return (variables['project_name%'], variables['product_name%'])
def generate_posix_symbols(binary, source_root, build_dir, destination):
generate_breakpad_symbols = os.path.join(source_root, 'components', 'crash',
'content', 'tools',
'generate_breakpad_symbols.py')
args = [
'--build-dir={0}'.format(build_dir),
'--symbols-dir={0}'.format(destination),
'--jobs=16',
'--binary={0}'.format(binary),
]
if is_verbose_mode():
args += ['-v']
execute([sys.executable, generate_breakpad_symbols] + args)
def parse_args():
parser = argparse.ArgumentParser(description='Create breakpad symbols')
parser.add_argument('-b', '--build-dir',
help='Path to an Electron build folder. \
Relative to the --source-root.',
default=RELEASE_PATH,
required=False)
parser.add_argument('-d', '--destination',
help='Path to save symbols to.',
default=None,
required=True)
parser.add_argument('-s', '--source-root',
help='Path to the src folder.',
default=SOURCE_ROOT,
required=False)
parser.add_argument('-v', '--verbose',
action='store_true',
help='Prints the output of the subprocesses')
return parser.parse_args()
if __name__ == '__main__':
sys.exit(main(sys.argv[1]))
sys.exit(main())

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@ -1,268 +0,0 @@
#!/usr/bin/env python
# Copyright (c) 2013 GitHub, Inc.
# Copyright (c) 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""A tool to generate symbols for a binary suitable for breakpad.
Currently, the tool only supports Linux, Android, and Mac. Support for other
platforms is planned.
"""
import errno
import argparse
import os
import Queue
import re
import shutil
import subprocess
import sys
import threading
CONCURRENT_TASKS=4
def GetCommandOutput(command):
"""Runs the command list, returning its output.
Prints the given command (which should be a list of one or more strings),
then runs it and returns its output (stdout) as a string.
From chromium_utils.
"""
devnull = open(os.devnull, 'w')
proc = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=devnull,
bufsize=1)
output = proc.communicate()[0]
return output
def GetDumpSymsBinary(build_dir=None):
"""Returns the path to the dump_syms binary."""
DUMP_SYMS = 'dump_syms'
dump_syms_bin = os.path.join(os.path.expanduser(build_dir), DUMP_SYMS)
if not os.access(dump_syms_bin, os.X_OK):
print 'Cannot find %s.' % DUMP_SYMS
sys.exit(1)
return dump_syms_bin
def FindBundlePart(full_path):
if full_path.endswith(('.dylib', '.framework', '.app')):
return os.path.basename(full_path)
elif full_path != '' and full_path != '/':
return FindBundlePart(os.path.dirname(full_path))
else:
return ''
def GetDSYMBundle(options, binary_path):
"""Finds the .dSYM bundle to the binary."""
if os.path.isabs(binary_path):
dsym_path = binary_path + '.dSYM'
if os.path.exists(dsym_path):
return dsym_path
filename = FindBundlePart(binary_path)
search_dirs = [options.build_dir, options.libchromiumcontent_dir]
if filename.endswith(('.dylib', '.framework', '.app')):
for directory in search_dirs:
dsym_path = os.path.join(directory, filename) + '.dSYM'
if os.path.exists(dsym_path):
return dsym_path
return binary_path
def GetSymbolPath(options, binary_path):
"""Finds the .dbg to the binary."""
filename = os.path.basename(binary_path)
dbg_path = os.path.join(options.libchromiumcontent_dir, filename) + '.dbg'
if os.path.exists(dbg_path):
return dbg_path
return binary_path
def Resolve(path, exe_path, loader_path, rpaths):
"""Resolve a dyld path.
@executable_path is replaced with |exe_path|
@loader_path is replaced with |loader_path|
@rpath is replaced with the first path in |rpaths| where the referenced file
is found
"""
path = path.replace('@loader_path', loader_path)
path = path.replace('@executable_path', exe_path)
if path.find('@rpath') != -1:
for rpath in rpaths:
new_path = Resolve(path.replace('@rpath', rpath), exe_path, loader_path,
[])
if os.access(new_path, os.F_OK):
return new_path
return ''
return path
def GetSharedLibraryDependenciesLinux(binary):
"""Return absolute paths to all shared library dependecies of the binary.
This implementation assumes that we're running on a Linux system."""
ldd = GetCommandOutput(['ldd', binary])
lib_re = re.compile('\t.* => (.+) \(.*\)$')
result = []
for line in ldd.splitlines():
m = lib_re.match(line)
if m:
result.append(os.path.realpath(m.group(1)))
return result
def GetSharedLibraryDependenciesMac(binary, exe_path):
"""Return absolute paths to all shared library dependecies of the binary.
This implementation assumes that we're running on a Mac system."""
loader_path = os.path.dirname(binary)
otool = GetCommandOutput(['otool', '-l', binary]).splitlines()
rpaths = []
for idx, line in enumerate(otool):
if line.find('cmd LC_RPATH') != -1:
m = re.match(' *path (.*) \(offset .*\)$', otool[idx+2])
rpaths.append(m.group(1))
otool = GetCommandOutput(['otool', '-L', binary]).splitlines()
lib_re = re.compile('\t(.*) \(compatibility .*\)$')
deps = []
for line in otool:
m = lib_re.match(line)
if m:
dep = Resolve(m.group(1), exe_path, loader_path, rpaths)
if dep:
deps.append(os.path.normpath(dep))
return deps
def GetSharedLibraryDependencies(options, binary, exe_path):
"""Return absolute paths to all shared library dependecies of the binary."""
deps = []
if sys.platform.startswith('linux'):
deps = GetSharedLibraryDependenciesLinux(binary)
elif sys.platform == 'darwin':
deps = GetSharedLibraryDependenciesMac(binary, exe_path)
else:
print "Platform not supported."
sys.exit(1)
result = []
build_dir = os.path.abspath(options.build_dir)
for dep in deps:
if (os.access(dep, os.F_OK)):
result.append(dep)
return result
def mkdir_p(path):
"""Simulates mkdir -p."""
try:
os.makedirs(path)
except OSError as e:
if e.errno == errno.EEXIST and os.path.isdir(path):
pass
else: raise
def GenerateSymbols(options, binaries):
"""Dumps the symbols of binary and places them in the given directory."""
queue = Queue.Queue()
print_lock = threading.Lock()
def _Worker():
while True:
binary = queue.get()
if options.verbose:
with print_lock:
print "Generating symbols for %s" % binary
if sys.platform == 'darwin':
binary = GetDSYMBundle(options, binary)
elif sys.platform == 'linux2':
binary = GetSymbolPath(options, binary)
syms = GetCommandOutput([GetDumpSymsBinary(options.build_dir), '-r', '-c',
binary])
module_line = re.match("MODULE [^ ]+ [^ ]+ ([0-9A-F]+) (.*)\n", syms)
output_path = os.path.join(options.symbols_dir, module_line.group(2),
module_line.group(1))
mkdir_p(output_path)
symbol_file = "%s.sym" % module_line.group(2)
f = open(os.path.join(output_path, symbol_file), 'w')
f.write(syms)
f.close()
queue.task_done()
for binary in binaries:
queue.put(binary)
for _ in range(options.jobs):
t = threading.Thread(target=_Worker)
t.daemon = True
t.start()
queue.join()
def main():
parser = argparse.ArgumentParser(description='Generate Breakpad Symbols Project')
parser.add_argument('--build-dir', required=True,
help='The build output directory.')
parser.add_argument('--symbols-dir', required=True,
help='The directory where to write the symbols file.')
parser.add_argument('--libchromiumcontent-dir', required=True,
help='The directory where libchromiumcontent is downloaded.')
parser.add_argument('--binary', action='append', required=True,
help='The path of the binary to generate symbols for.')
parser.add_argument('--clear', default=False, action='store_true',
help='Clear the symbols directory before writing new '
'symbols.')
parser.add_argument('-j', '--jobs', default=CONCURRENT_TASKS, action='store',
type=int, help='Number of parallel tasks to run.')
parser.add_argument('-v', '--verbose', action='store_true',
help='Print verbose status output.')
options = parser.parse_args()
for bin_file in options.binary:
if not os.access(bin_file, os.X_OK):
print "Cannot find %s." % options.binary
return 1
if options.clear:
try:
shutil.rmtree(options.symbols_dir)
except:
pass
# Build the transitive closure of all dependencies.
binaries = set(options.binary)
queue = options.binary
while queue:
current_bin = queue.pop(0)
exe_path = os.path.dirname(current_bin)
deps = GetSharedLibraryDependencies(options, current_bin, exe_path)
new_deps = set(deps) - binaries
binaries |= new_deps
queue.extend(list(new_deps))
GenerateSymbols(options, binaries)
return 0
if '__main__' == __name__:
sys.exit(main())

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@ -1,6 +0,0 @@
#!/bin/bash
# Ignore errors from strip.
strip "$@"
exit 0

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@ -65,6 +65,14 @@ jobs:
displayName: Non proprietary ffmpeg build
condition: and(succeeded(), eq(variables['RUN_TESTS'], '1'))
- bash: |
cd src
# Build needed dump_syms executable
ninja -C out/Default third_party/breakpad:dump_syms
electron/script/dump-symbols.py -d "$PWD/out/Default/electron.breakpad.syms"
displayName: Ninja build app
condition: and(succeeded(), eq(variables['ELECTRON_RELEASE'], '1'))
- bash: |
"$SCCACHE_BINARY" --stop-server
displayName: Check sccache stats after build