diff options
Diffstat (limited to 'compiler-rt/lib/asan/scripts/asan_symbolize.py')
| -rwxr-xr-x | compiler-rt/lib/asan/scripts/asan_symbolize.py | 68 |
1 files changed, 52 insertions, 16 deletions
diff --git a/compiler-rt/lib/asan/scripts/asan_symbolize.py b/compiler-rt/lib/asan/scripts/asan_symbolize.py index 8ba6442dc3f..4d54f8b82c3 100755 --- a/compiler-rt/lib/asan/scripts/asan_symbolize.py +++ b/compiler-rt/lib/asan/scripts/asan_symbolize.py @@ -7,6 +7,7 @@ # License. See LICENSE.TXT for details. # #===------------------------------------------------------------------------===# +import argparse import bisect import getopt import os @@ -18,18 +19,26 @@ import termios symbolizers = {} DEBUG = False -demangle = False; - +demangle = False +binutils_prefix = None +sysroot_path = None +binary_name_filter = None +fix_filename_patterns = None +logfile = None # FIXME: merge the code that calls fix_filename(). def fix_filename(file_name): - for path_to_cut in sys.argv[1:]: - file_name = re.sub('.*' + path_to_cut, '', 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 GuessArch(addr): +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' @@ -60,7 +69,7 @@ class LLVMSymbolizer(Symbolizer): def __init__(self, symbolizer_path, addr): super(LLVMSymbolizer, self).__init__() self.symbolizer_path = symbolizer_path - self.default_arch = GuessArch(addr) + self.default_arch = guess_arch(addr) self.pipe = self.open_llvm_symbolizer() def open_llvm_symbolizer(self): @@ -124,7 +133,10 @@ class Addr2LineSymbolizer(Symbolizer): self.pipe = self.open_addr2line() def open_addr2line(self): - cmd = ['addr2line', '-f'] + addr2line_tool = 'addr2line' + if binutils_prefix: + addr2line_tool = binutils_prefix + addr2line_tool + cmd = [addr2line_tool, '-f'] if demangle: cmd += ['--demangle'] cmd += ['-e', self.binary] @@ -182,7 +194,7 @@ class DarwinSymbolizer(Symbolizer): def __init__(self, addr, binary): super(DarwinSymbolizer, self).__init__() self.binary = binary - self.arch = GuessArch(addr) + self.arch = guess_arch(addr) self.open_atos() def open_atos(self): @@ -363,10 +375,10 @@ class SymbolizationLoop(object): self.frame_no += 1 return result - def process_stdin(self): + def process_logfile(self): self.frame_no = 0 while True: - line = sys.stdin.readline() + line = logfile.readline() if not line: break processed = self.process_line(line) @@ -397,9 +409,33 @@ class SymbolizationLoop(object): if __name__ == '__main__': - opts, args = getopt.getopt(sys.argv[1:], "d", ["demangle"]) - for o, a in opts: - if o in ("-d", "--demangle"): - demangle = True; - loop = SymbolizationLoop() - loop.process_stdin() + parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter, + description='ASan symbolization script', + epilog='''Example of use: + 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() |
