diff options
Diffstat (limited to 'contrib/compiler-rt/lib/asan/scripts')
| -rwxr-xr-x | contrib/compiler-rt/lib/asan/scripts/asan_device_setup | 344 | ||||
| -rwxr-xr-x | contrib/compiler-rt/lib/asan/scripts/asan_symbolize.py | 482 |
2 files changed, 0 insertions, 826 deletions
diff --git a/contrib/compiler-rt/lib/asan/scripts/asan_device_setup b/contrib/compiler-rt/lib/asan/scripts/asan_device_setup deleted file mode 100755 index 104e07b..0000000 --- a/contrib/compiler-rt/lib/asan/scripts/asan_device_setup +++ /dev/null @@ -1,344 +0,0 @@ -#!/bin/bash -#===- lib/asan/scripts/asan_device_setup -----------------------------------===# -# -# The LLVM Compiler Infrastructure -# -# This file is distributed under the University of Illinois Open Source -# License. See LICENSE.TXT for details. -# -# Prepare Android device to run ASan applications. -# -#===------------------------------------------------------------------------===# - -set -e - -HERE="$(cd "$(dirname "$0")" && pwd)" - -revert=no -extra_options= -device= -lib= -use_su=0 - -function usage { - echo "usage: $0 [--revert] [--device device-id] [--lib path] [--extra-options options]" - echo " --revert: Uninstall ASan from the device." - echo " --lib: Path to ASan runtime library." - echo " --extra-options: Extra ASAN_OPTIONS." - echo " --device: Install to the given device. Use 'adb devices' to find" - echo " device-id." - echo " --use-su: Use 'su -c' prefix for every adb command instead of using" - echo " 'adb root' once." - echo - exit 1 -} - -function adb_push { - if [ $use_su -eq 0 ]; then - $ADB push "$1" "$2" - else - local FILENAME=$(basename $1) - $ADB push "$1" "/data/local/tmp/$FILENAME" - $ADB shell su -c "rm \\\"$2/$FILENAME\\\"" >&/dev/null - $ADB shell su -c "cat \\\"/data/local/tmp/$FILENAME\\\" > \\\"$2/$FILENAME\\\"" - $ADB shell su -c "rm \\\"/data/local/tmp/$FILENAME\\\"" - fi -} - -function adb_remount { - if [ $use_su -eq 0 ]; then - $ADB remount - else - local STORAGE=`$ADB shell mount | grep /system | cut -d ' ' -f1` - if [ "$STORAGE" != "" ]; then - echo Remounting $STORAGE at /system - $ADB shell su -c "mount -o remount,rw $STORAGE /system" - else - echo Failed to get storage device name for "/system" mount point - fi - fi -} - -function adb_shell { - if [ $use_su -eq 0 ]; then - $ADB shell $@ - else - $ADB shell su -c "$*" - fi -} - -function adb_root { - if [ $use_su -eq 0 ]; then - $ADB root - fi -} - -function adb_wait_for_device { - $ADB wait-for-device -} - -function adb_pull { - if [ $use_su -eq 0 ]; then - $ADB pull "$1" "$2" - else - local FILENAME=$(basename $1) - $ADB shell rm "/data/local/tmp/$FILENAME" >&/dev/null - $ADB shell su -c "[ -f \\\"$1\\\" ] && cat \\\"$1\\\" > \\\"/data/local/tmp/$FILENAME\\\" && chown root.shell \\\"/data/local/tmp/$FILENAME\\\" && chmod 755 \\\"/data/local/tmp/$FILENAME\\\"" && - $ADB pull "/data/local/tmp/$FILENAME" "$2" >&/dev/null && $ADB shell "rm \"/data/local/tmp/$FILENAME\"" - fi -} - -function get_device_arch { # OUTVAR - local _outvar=$1 - local _ABI=$(adb_shell getprop ro.product.cpu.abi) - local _ARCH= - if [[ $_ABI == x86* ]]; then - _ARCH=i686 - elif [[ $_ABI == armeabi* ]]; then - _ARCH=arm - else - echo "Unrecognized device ABI: $_ABI" - exit 1 - fi - eval $_outvar=\$_ARCH -} - -while [[ $# > 0 ]]; do - case $1 in - --revert) - revert=yes - ;; - --extra-options) - shift - if [[ $# == 0 ]]; then - echo "--extra-options requires an argument." - exit 1 - fi - extra_options="$1" - ;; - --lib) - shift - if [[ $# == 0 ]]; then - echo "--lib requires an argument." - exit 1 - fi - lib="$1" - ;; - --device) - shift - if [[ $# == 0 ]]; then - echo "--device requires an argument." - exit 1 - fi - device="$1" - ;; - --use-su) - use_su=1 - ;; - *) - usage - ;; - esac - shift -done - -ADB=${ADB:-adb} -if [[ x$device != x ]]; then - ADB="$ADB -s $device" -fi - -if [ $use_su -eq 1 ]; then - # Test if 'su' is present on the device - SU_TEST_OUT=`$ADB shell su -c "echo foo" 2>&1 | sed 's/\r$//'` - if [ $? != 0 -o "$SU_TEST_OUT" != "foo" ]; then - echo "ERROR: Cannot use 'su -c':" - echo "$ adb shell su -c \"echo foo\"" - echo $SU_TEST_OUT - echo "Check that 'su' binary is correctly installed on the device or omit" - echo " --use-su flag" - exit 1 - fi -fi - -echo '>> Remounting /system rw' -adb_wait_for_device -adb_root -adb_wait_for_device -adb_remount -adb_wait_for_device - -get_device_arch ARCH -echo "Target architecture: $ARCH" -ASAN_RT="libclang_rt.asan-$ARCH-android.so" - -if [[ x$revert == xyes ]]; then - echo '>> Uninstalling ASan' - - if ! adb_shell ls -l /system/bin/app_process | grep -o '\->.*app_process' >&/dev/null; then - echo '>> Pre-L device detected.' - adb_shell mv /system/bin/app_process.real /system/bin/app_process - adb_shell rm /system/bin/asanwrapper - else - adb_shell rm /system/bin/app_process.wrap - adb_shell rm /system/bin/asanwrapper - adb_shell rm /system/bin/app_process - adb_shell ln -s /system/bin/app_process32 /system/bin/app_process - fi - - echo '>> Restarting shell' - adb_shell stop - adb_shell start - - # Remove the library on the last step to give a chance to the 'su' binary to - # be executed without problem. - adb_shell rm /system/lib/$ASAN_RT - - echo '>> Done' - exit 0 -fi - -if [[ -d "$lib" ]]; then - ASAN_RT_PATH="$lib" -elif [[ -f "$lib" && "$lib" == *"$ASAN_RT" ]]; then - ASAN_RT_PATH=$(dirname "$lib") -elif [[ -f "$HERE/$ASAN_RT" ]]; then - ASAN_RT_PATH="$HERE" -elif [[ $(basename "$HERE") == "bin" ]]; then - # We could be in the toolchain's base directory. - # Consider ../lib, ../lib/asan, ../lib/linux and ../lib/clang/$VERSION/lib/linux. - P=$(ls "$HERE"/../lib/"$ASAN_RT" "$HERE"/../lib/asan/"$ASAN_RT" "$HERE"/../lib/linux/"$ASAN_RT" "$HERE"/../lib/clang/*/lib/linux/"$ASAN_RT" 2>/dev/null | sort | tail -1) - if [[ -n "$P" ]]; then - ASAN_RT_PATH="$(dirname "$P")" - fi -fi - -if [[ -z "$ASAN_RT_PATH" || ! -f "$ASAN_RT_PATH/$ASAN_RT" ]]; then - echo ">> ASan runtime library not found" - exit 1 -fi - -TMPDIRBASE=$(mktemp -d) -TMPDIROLD="$TMPDIRBASE/old" -TMPDIR="$TMPDIRBASE/new" -mkdir "$TMPDIROLD" - -RELEASE=$(adb_shell getprop ro.build.version.release) -PRE_L=0 -if echo "$RELEASE" | grep '^4\.' >&/dev/null; then - PRE_L=1 -fi - -if ! adb_shell ls -l /system/bin/app_process | grep -o '\->.*app_process' >&/dev/null; then - - if adb_pull /system/bin/app_process.real /dev/null >&/dev/null; then - echo '>> Old-style ASan installation detected. Reverting.' - adb_shell mv /system/bin/app_process.real /system/bin/app_process - fi - - echo '>> Pre-L device detected. Setting up app_process symlink.' - adb_shell mv /system/bin/app_process /system/bin/app_process32 - adb_shell ln -s /system/bin/app_process32 /system/bin/app_process -fi - -echo '>> Copying files from the device' -adb_pull /system/bin/app_process.wrap "$TMPDIROLD" || true -adb_pull /system/bin/asanwrapper "$TMPDIROLD" || true -adb_pull /system/lib/"$ASAN_RT" "$TMPDIROLD" || true -cp -r "$TMPDIROLD" "$TMPDIR" - -if [[ -f "$TMPDIR/app_process.wrap" ]]; then - echo ">> Previous installation detected" -else - echo ">> New installation" -fi - -echo '>> Generating wrappers' - -cp "$ASAN_RT_PATH/$ASAN_RT" "$TMPDIR/" - -# FIXME: alloc_dealloc_mismatch=0 prevents a failure in libdvm startup, -# which may or may not be a real bug (probably not). -ASAN_OPTIONS=start_deactivated=1,alloc_dealloc_mismatch=0 - -# On Android-L not allowing user segv handler breaks some applications. -if [[ PRE_L -eq 0 ]]; then - ASAN_OPTIONS="$ASAN_OPTIONS,allow_user_segv_handler=1" -fi - -if [[ x$extra_options != x ]] ; then - ASAN_OPTIONS="$ASAN_OPTIONS,$extra_options" -fi - -# Zygote wrapper. -cat <<EOF >"$TMPDIR/app_process.wrap" -#!/system/bin/sh-from-zygote -ASAN_OPTIONS=$ASAN_OPTIONS \\ -LD_PRELOAD=\$LD_PRELOAD:$ASAN_RT \\ -exec /system/bin/app_process32 \$@ - -EOF - -# General command-line tool wrapper (use for anything that's not started as -# zygote). -cat <<EOF >"$TMPDIR/asanwrapper" -#!/system/bin/sh -LD_PRELOAD=$ASAN_RT \\ -exec \$@ - -EOF - -if ! ( cd "$TMPDIRBASE" && diff -qr old/ new/ ) ; then - echo '>> Pushing files to the device' - adb_push "$TMPDIR/$ASAN_RT" /system/lib/ - adb_push "$TMPDIR/app_process.wrap" /system/bin - adb_push "$TMPDIR/asanwrapper" /system/bin - - adb_shell rm /system/bin/app_process - adb_shell ln -s /system/bin/app_process.wrap /system/bin/app_process - - adb_shell chown root.shell \ - /system/lib/"$ASAN_RT" \ - /system/bin/app_process.wrap \ - /system/bin/asanwrapper - adb_shell chmod 644 \ - /system/lib/"$ASAN_RT" - adb_shell chmod 755 \ - /system/bin/app_process.wrap \ - /system/bin/asanwrapper - - # Make SELinux happy by keeping app_process wrapper and the shell - # it runs on in zygote domain. - ENFORCING=0 - if adb_shell getenforce | grep Enforcing >/dev/null; then - # Sometimes shell is not allowed to change file contexts. - # Temporarily switch to permissive. - ENFORCING=1 - adb_shell setenforce 0 - fi - - adb_shell cp /system/bin/sh /system/bin/sh-from-zygote - - if [[ PRE_L -eq 1 ]]; then - CTX=u:object_r:system_file:s0 - else - CTX=u:object_r:zygote_exec:s0 - fi - adb_shell chcon $CTX \ - /system/bin/sh-from-zygote \ - /system/bin/app_process.wrap \ - /system/bin/app_process32 - - if [ $ENFORCING == 1 ]; then - adb_shell setenforce 1 - fi - - echo '>> Restarting shell (asynchronous)' - adb_shell stop - adb_shell start - - echo '>> Please wait until the device restarts' -else - echo '>> Device is up to date' -fi - -rm -r "$TMPDIRBASE" diff --git a/contrib/compiler-rt/lib/asan/scripts/asan_symbolize.py b/contrib/compiler-rt/lib/asan/scripts/asan_symbolize.py deleted file mode 100755 index b9d3ad3..0000000 --- a/contrib/compiler-rt/lib/asan/scripts/asan_symbolize.py +++ /dev/null @@ -1,482 +0,0 @@ -#!/usr/bin/env python -#===- lib/asan/scripts/asan_symbolize.py -----------------------------------===# -# -# The LLVM Compiler Infrastructure -# -# This file is distributed under the University of Illinois Open Source -# License. See LICENSE.TXT for details. -# -#===------------------------------------------------------------------------===# -import argparse -import bisect -import getopt -import os -import re -import subprocess -import sys - -symbolizers = {} -DEBUG = False -demangle = False -binutils_prefix = None -sysroot_path = None -binary_name_filter = None -fix_filename_patterns = None -logfile = sys.stdin -allow_system_symbolizer = True - -# FIXME: merge the code that calls fix_filename(). -def fix_filename(file_name): - if fix_filename_patterns: - for path_to_cut in fix_filename_patterns: - file_name = re.sub('.*' + path_to_cut, '', file_name) - file_name = re.sub('.*asan_[a-z_]*.cc:[0-9]*', '_asan_rtl_', file_name) - file_name = re.sub('.*crtstuff.c:0', '???:0', file_name) - return file_name - -def sysroot_path_filter(binary_name): - return sysroot_path + binary_name - -def guess_arch(addr): - # Guess which arch we're running. 10 = len('0x') + 8 hex digits. - if len(addr) > 10: - return 'x86_64' - else: - return 'i386' - -class Symbolizer(object): - def __init__(self): - pass - - def symbolize(self, addr, binary, offset): - """Symbolize the given address (pair of binary and offset). - - Overriden in subclasses. - Args: - addr: virtual address of an instruction. - binary: path to executable/shared object containing this instruction. - offset: instruction offset in the @binary. - Returns: - list of strings (one string for each inlined frame) describing - the code locations for this instruction (that is, function name, file - name, line and column numbers). - """ - return None - - -class LLVMSymbolizer(Symbolizer): - def __init__(self, symbolizer_path, default_arch, system, dsym_hints=[]): - super(LLVMSymbolizer, self).__init__() - self.symbolizer_path = symbolizer_path - self.default_arch = default_arch - self.system = system - self.dsym_hints = dsym_hints - self.pipe = self.open_llvm_symbolizer() - - def open_llvm_symbolizer(self): - cmd = [self.symbolizer_path, - '--use-symbol-table=true', - '--demangle=%s' % demangle, - '--functions=short', - '--inlining=true', - '--default-arch=%s' % self.default_arch] - if self.system == 'Darwin': - for hint in self.dsym_hints: - cmd.append('--dsym-hint=%s' % hint) - if DEBUG: - print ' '.join(cmd) - try: - result = subprocess.Popen(cmd, stdin=subprocess.PIPE, - stdout=subprocess.PIPE) - except OSError: - result = None - return result - - def symbolize(self, addr, binary, offset): - """Overrides Symbolizer.symbolize.""" - if not self.pipe: - return None - result = [] - try: - symbolizer_input = '"%s" %s' % (binary, offset) - if DEBUG: - print symbolizer_input - print >> self.pipe.stdin, symbolizer_input - while True: - function_name = self.pipe.stdout.readline().rstrip() - if not function_name: - break - file_name = self.pipe.stdout.readline().rstrip() - file_name = fix_filename(file_name) - if (not function_name.startswith('??') or - not file_name.startswith('??')): - # Append only non-trivial frames. - result.append('%s in %s %s' % (addr, function_name, - file_name)) - except Exception: - result = [] - if not result: - result = None - return result - - -def LLVMSymbolizerFactory(system, default_arch, dsym_hints=[]): - symbolizer_path = os.getenv('LLVM_SYMBOLIZER_PATH') - if not symbolizer_path: - symbolizer_path = os.getenv('ASAN_SYMBOLIZER_PATH') - if not symbolizer_path: - # Assume llvm-symbolizer is in PATH. - symbolizer_path = 'llvm-symbolizer' - return LLVMSymbolizer(symbolizer_path, default_arch, system, dsym_hints) - - -class Addr2LineSymbolizer(Symbolizer): - def __init__(self, binary): - super(Addr2LineSymbolizer, self).__init__() - self.binary = binary - self.pipe = self.open_addr2line() - - def open_addr2line(self): - addr2line_tool = 'addr2line' - if binutils_prefix: - addr2line_tool = binutils_prefix + addr2line_tool - cmd = [addr2line_tool, '-f'] - if demangle: - cmd += ['--demangle'] - cmd += ['-e', self.binary] - if DEBUG: - print ' '.join(cmd) - return subprocess.Popen(cmd, - stdin=subprocess.PIPE, stdout=subprocess.PIPE) - - def symbolize(self, addr, binary, offset): - """Overrides Symbolizer.symbolize.""" - if self.binary != binary: - return None - try: - print >> self.pipe.stdin, offset - function_name = self.pipe.stdout.readline().rstrip() - file_name = self.pipe.stdout.readline().rstrip() - except Exception: - function_name = '' - file_name = '' - file_name = fix_filename(file_name) - return ['%s in %s %s' % (addr, function_name, file_name)] - - -class UnbufferedLineConverter(object): - """ - Wrap a child process that responds to each line of input with one line of - output. Uses pty to trick the child into providing unbuffered output. - """ - def __init__(self, args, close_stderr=False): - # Local imports so that the script can start on Windows. - import pty - import termios - pid, fd = pty.fork() - if pid == 0: - # We're the child. Transfer control to command. - if close_stderr: - dev_null = os.open('/dev/null', 0) - os.dup2(dev_null, 2) - os.execvp(args[0], args) - else: - # Disable echoing. - attr = termios.tcgetattr(fd) - attr[3] = attr[3] & ~termios.ECHO - termios.tcsetattr(fd, termios.TCSANOW, attr) - # Set up a file()-like interface to the child process - self.r = os.fdopen(fd, "r", 1) - self.w = os.fdopen(os.dup(fd), "w", 1) - - def convert(self, line): - self.w.write(line + "\n") - return self.readline() - - def readline(self): - return self.r.readline().rstrip() - - -class DarwinSymbolizer(Symbolizer): - def __init__(self, addr, binary): - super(DarwinSymbolizer, self).__init__() - self.binary = binary - self.arch = guess_arch(addr) - self.open_atos() - - def open_atos(self): - if DEBUG: - print 'atos -o %s -arch %s' % (self.binary, self.arch) - cmdline = ['atos', '-o', self.binary, '-arch', self.arch] - self.atos = UnbufferedLineConverter(cmdline, close_stderr=True) - - def symbolize(self, addr, binary, offset): - """Overrides Symbolizer.symbolize.""" - if self.binary != binary: - return None - atos_line = self.atos.convert('0x%x' % int(offset, 16)) - while "got symbolicator for" in atos_line: - atos_line = self.atos.readline() - # A well-formed atos response looks like this: - # foo(type1, type2) (in object.name) (filename.cc:80) - match = re.match('^(.*) \(in (.*)\) \((.*:\d*)\)$', atos_line) - if DEBUG: - print 'atos_line: ', atos_line - if match: - function_name = match.group(1) - function_name = re.sub('\(.*?\)', '', function_name) - file_name = fix_filename(match.group(3)) - return ['%s in %s %s' % (addr, function_name, file_name)] - else: - return ['%s in %s' % (addr, atos_line)] - - -# Chain several symbolizers so that if one symbolizer fails, we fall back -# to the next symbolizer in chain. -class ChainSymbolizer(Symbolizer): - def __init__(self, symbolizer_list): - super(ChainSymbolizer, self).__init__() - self.symbolizer_list = symbolizer_list - - def symbolize(self, addr, binary, offset): - """Overrides Symbolizer.symbolize.""" - for symbolizer in self.symbolizer_list: - if symbolizer: - result = symbolizer.symbolize(addr, binary, offset) - if result: - return result - return None - - def append_symbolizer(self, symbolizer): - self.symbolizer_list.append(symbolizer) - - -def BreakpadSymbolizerFactory(binary): - suffix = os.getenv('BREAKPAD_SUFFIX') - if suffix: - filename = binary + suffix - if os.access(filename, os.F_OK): - return BreakpadSymbolizer(filename) - return None - - -def SystemSymbolizerFactory(system, addr, binary): - if system == 'Darwin': - return DarwinSymbolizer(addr, binary) - elif system == 'Linux': - return Addr2LineSymbolizer(binary) - - -class BreakpadSymbolizer(Symbolizer): - def __init__(self, filename): - super(BreakpadSymbolizer, self).__init__() - self.filename = filename - lines = file(filename).readlines() - self.files = [] - self.symbols = {} - self.address_list = [] - self.addresses = {} - # MODULE mac x86_64 A7001116478B33F18FF9BEDE9F615F190 t - fragments = lines[0].rstrip().split() - self.arch = fragments[2] - self.debug_id = fragments[3] - self.binary = ' '.join(fragments[4:]) - self.parse_lines(lines[1:]) - - def parse_lines(self, lines): - cur_function_addr = '' - for line in lines: - fragments = line.split() - if fragments[0] == 'FILE': - assert int(fragments[1]) == len(self.files) - self.files.append(' '.join(fragments[2:])) - elif fragments[0] == 'PUBLIC': - self.symbols[int(fragments[1], 16)] = ' '.join(fragments[3:]) - elif fragments[0] in ['CFI', 'STACK']: - pass - elif fragments[0] == 'FUNC': - cur_function_addr = int(fragments[1], 16) - if not cur_function_addr in self.symbols.keys(): - self.symbols[cur_function_addr] = ' '.join(fragments[4:]) - else: - # Line starting with an address. - addr = int(fragments[0], 16) - self.address_list.append(addr) - # Tuple of symbol address, size, line, file number. - self.addresses[addr] = (cur_function_addr, - int(fragments[1], 16), - int(fragments[2]), - int(fragments[3])) - self.address_list.sort() - - def get_sym_file_line(self, addr): - key = None - if addr in self.addresses.keys(): - key = addr - else: - index = bisect.bisect_left(self.address_list, addr) - if index == 0: - return None - else: - key = self.address_list[index - 1] - sym_id, size, line_no, file_no = self.addresses[key] - symbol = self.symbols[sym_id] - filename = self.files[file_no] - if addr < key + size: - return symbol, filename, line_no - else: - return None - - def symbolize(self, addr, binary, offset): - if self.binary != binary: - return None - res = self.get_sym_file_line(int(offset, 16)) - if res: - function_name, file_name, line_no = res - result = ['%s in %s %s:%d' % ( - addr, function_name, file_name, line_no)] - print result - return result - else: - return None - - -class SymbolizationLoop(object): - def __init__(self, binary_name_filter=None, dsym_hint_producer=None): - if sys.platform == 'win32': - # ASan on Windows uses dbghelp.dll to symbolize in-process, which works - # even in sandboxed processes. Nothing needs to be done here. - self.process_line = self.process_line_echo - else: - # Used by clients who may want to supply a different binary name. - # E.g. in Chrome several binaries may share a single .dSYM. - self.binary_name_filter = binary_name_filter - self.dsym_hint_producer = dsym_hint_producer - self.system = os.uname()[0] - if self.system not in ['Linux', 'Darwin', 'FreeBSD']: - raise Exception('Unknown system') - self.llvm_symbolizers = {} - self.last_llvm_symbolizer = None - self.dsym_hints = set([]) - self.frame_no = 0 - self.process_line = self.process_line_posix - - def symbolize_address(self, addr, binary, offset): - # On non-Darwin (i.e. on platforms without .dSYM debug info) always use - # a single symbolizer binary. - # On Darwin, if the dsym hint producer is present: - # 1. check whether we've seen this binary already; if so, - # use |llvm_symbolizers[binary]|, which has already loaded the debug - # info for this binary (might not be the case for - # |last_llvm_symbolizer|); - # 2. otherwise check if we've seen all the hints for this binary already; - # if so, reuse |last_llvm_symbolizer| which has the full set of hints; - # 3. otherwise create a new symbolizer and pass all currently known - # .dSYM hints to it. - if not binary in self.llvm_symbolizers: - use_new_symbolizer = True - if self.system == 'Darwin' and self.dsym_hint_producer: - dsym_hints_for_binary = set(self.dsym_hint_producer(binary)) - use_new_symbolizer = bool(dsym_hints_for_binary - self.dsym_hints) - self.dsym_hints |= dsym_hints_for_binary - if self.last_llvm_symbolizer and not use_new_symbolizer: - self.llvm_symbolizers[binary] = self.last_llvm_symbolizer - else: - self.last_llvm_symbolizer = LLVMSymbolizerFactory( - self.system, guess_arch(addr), self.dsym_hints) - self.llvm_symbolizers[binary] = self.last_llvm_symbolizer - # Use the chain of symbolizers: - # Breakpad symbolizer -> LLVM symbolizer -> addr2line/atos - # (fall back to next symbolizer if the previous one fails). - if not binary in symbolizers: - symbolizers[binary] = ChainSymbolizer( - [BreakpadSymbolizerFactory(binary), self.llvm_symbolizers[binary]]) - result = symbolizers[binary].symbolize(addr, binary, offset) - if result is None: - if not allow_system_symbolizer: - raise Exception('Failed to launch or use llvm-symbolizer.') - # Initialize system symbolizer only if other symbolizers failed. - symbolizers[binary].append_symbolizer( - SystemSymbolizerFactory(self.system, addr, binary)) - result = symbolizers[binary].symbolize(addr, binary, offset) - # The system symbolizer must produce some result. - assert result - return result - - def get_symbolized_lines(self, symbolized_lines): - if not symbolized_lines: - return [self.current_line] - else: - result = [] - for symbolized_frame in symbolized_lines: - result.append(' #%s %s' % (str(self.frame_no), symbolized_frame.rstrip())) - self.frame_no += 1 - return result - - def process_logfile(self): - self.frame_no = 0 - for line in logfile: - processed = self.process_line(line) - print '\n'.join(processed) - - def process_line_echo(self, line): - return [line.rstrip()] - - def process_line_posix(self, line): - self.current_line = line.rstrip() - #0 0x7f6e35cf2e45 (/blah/foo.so+0x11fe45) - stack_trace_line_format = ( - '^( *#([0-9]+) *)(0x[0-9a-f]+) *\((.*)\+(0x[0-9a-f]+)\)') - match = re.match(stack_trace_line_format, line) - if not match: - return [self.current_line] - if DEBUG: - print line - _, frameno_str, addr, binary, offset = match.groups() - if frameno_str == '0': - # Assume that frame #0 is the first frame of new stack trace. - self.frame_no = 0 - original_binary = binary - if self.binary_name_filter: - binary = self.binary_name_filter(binary) - symbolized_line = self.symbolize_address(addr, binary, offset) - if not symbolized_line: - if original_binary != binary: - symbolized_line = self.symbolize_address(addr, binary, offset) - return self.get_symbolized_lines(symbolized_line) - - -if __name__ == '__main__': - parser = argparse.ArgumentParser( - formatter_class=argparse.RawDescriptionHelpFormatter, - description='ASan symbolization script', - epilog='Example of use:\n' - 'asan_symbolize.py -c "$HOME/opt/cross/bin/arm-linux-gnueabi-" ' - '-s "$HOME/SymbolFiles" < asan.log') - parser.add_argument('path_to_cut', nargs='*', - help='pattern to be cut from the result file path ') - parser.add_argument('-d','--demangle', action='store_true', - help='demangle function names') - parser.add_argument('-s', metavar='SYSROOT', - help='set path to sysroot for sanitized binaries') - parser.add_argument('-c', metavar='CROSS_COMPILE', - help='set prefix for binutils') - parser.add_argument('-l','--logfile', default=sys.stdin, - type=argparse.FileType('r'), - help='set log file name to parse, default is stdin') - args = parser.parse_args() - if args.path_to_cut: - fix_filename_patterns = args.path_to_cut - if args.demangle: - demangle = True - if args.s: - binary_name_filter = sysroot_path_filter - sysroot_path = args.s - if args.c: - binutils_prefix = args.c - if args.logfile: - logfile = args.logfile - else: - logfile = sys.stdin - loop = SymbolizationLoop(binary_name_filter) - loop.process_logfile() |
