Remove unused script.
--HG-- branch : develop
This commit is contained in:
Roman Telezhynskyi
parent
a8dc3ed9f0
commit
53e052ca9a
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@ -1,490 +0,0 @@
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#!/usr/bin/env python
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#===- lib/asan/scripts/asan_symbolize.py -----------------------------------===#
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#
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# The LLVM Compiler Infrastructure
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#
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# This file is distributed under the University of Illinois Open Source
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# License. See LICENSE.TXT for details.
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#
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#===------------------------------------------------------------------------===#
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import argparse
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import bisect
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import getopt
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import os
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import re
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import subprocess
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import sys
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symbolizers = {}
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DEBUG = False
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demangle = False
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binutils_prefix = None
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sysroot_path = None
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binary_name_filter = None
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fix_filename_patterns = None
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logfile = sys.stdin
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allow_system_symbolizer = True
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# FIXME: merge the code that calls fix_filename().
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def fix_filename(file_name):
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if fix_filename_patterns:
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for path_to_cut in fix_filename_patterns:
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file_name = re.sub('.*' + path_to_cut, '', file_name)
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file_name = re.sub('.*asan_[a-z_]*.cc:[0-9]*', '_asan_rtl_', file_name)
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file_name = re.sub('.*crtstuff.c:0', '???:0', file_name)
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return file_name
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def sysroot_path_filter(binary_name):
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return sysroot_path + binary_name
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def guess_arch(addr):
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# Guess which arch we're running. 10 = len('0x') + 8 hex digits.
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if len(addr) > 10:
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return 'x86_64'
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else:
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return 'i386'
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class Symbolizer(object):
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def __init__(self):
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pass
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def symbolize(self, addr, binary, offset):
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"""Symbolize the given address (pair of binary and offset).
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Overriden in subclasses.
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Args:
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addr: virtual address of an instruction.
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binary: path to executable/shared object containing this instruction.
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offset: instruction offset in the @binary.
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Returns:
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list of strings (one string for each inlined frame) describing
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the code locations for this instruction (that is, function name, file
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name, line and column numbers).
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"""
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return None
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class LLVMSymbolizer(Symbolizer):
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def __init__(self, symbolizer_path, default_arch, system, dsym_hints=[]):
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super(LLVMSymbolizer, self).__init__()
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self.symbolizer_path = symbolizer_path
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self.default_arch = default_arch
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self.system = system
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self.dsym_hints = dsym_hints
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self.pipe = self.open_llvm_symbolizer()
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def open_llvm_symbolizer(self):
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cmd = [self.symbolizer_path,
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'--use-symbol-table=true',
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'--demangle=%s' % demangle,
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'--functions=linkage',
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'--inlining=true',
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'--default-arch=%s' % self.default_arch]
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if self.system == 'Darwin':
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for hint in self.dsym_hints:
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cmd.append('--dsym-hint=%s' % hint)
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if DEBUG:
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print ' '.join(cmd)
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try:
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result = subprocess.Popen(cmd, stdin=subprocess.PIPE,
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stdout=subprocess.PIPE)
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except OSError:
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result = None
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return result
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def symbolize(self, addr, binary, offset):
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"""Overrides Symbolizer.symbolize."""
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if not self.pipe:
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return None
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result = []
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try:
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symbolizer_input = '"%s" %s' % (binary, offset)
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if DEBUG:
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print symbolizer_input
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print >> self.pipe.stdin, symbolizer_input
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while True:
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function_name = self.pipe.stdout.readline().rstrip()
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if not function_name:
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break
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file_name = self.pipe.stdout.readline().rstrip()
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file_name = fix_filename(file_name)
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if (not function_name.startswith('??') or
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not file_name.startswith('??')):
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# Append only non-trivial frames.
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result.append('%s in %s %s' % (addr, function_name,
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file_name))
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except Exception:
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result = []
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if not result:
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result = None
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return result
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def LLVMSymbolizerFactory(system, default_arch, dsym_hints=[]):
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symbolizer_path = os.getenv('LLVM_SYMBOLIZER_PATH')
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if not symbolizer_path:
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symbolizer_path = os.getenv('ASAN_SYMBOLIZER_PATH')
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if not symbolizer_path:
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# Assume llvm-symbolizer is in PATH.
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symbolizer_path = 'llvm-symbolizer'
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return LLVMSymbolizer(symbolizer_path, default_arch, system, dsym_hints)
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class Addr2LineSymbolizer(Symbolizer):
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def __init__(self, binary):
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super(Addr2LineSymbolizer, self).__init__()
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self.binary = binary
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self.pipe = self.open_addr2line()
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self.output_terminator = -1
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def open_addr2line(self):
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addr2line_tool = 'addr2line'
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if binutils_prefix:
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addr2line_tool = binutils_prefix + addr2line_tool
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cmd = [addr2line_tool, '-fi']
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if demangle:
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cmd += ['--demangle']
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cmd += ['-e', self.binary]
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if DEBUG:
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print ' '.join(cmd)
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return subprocess.Popen(cmd,
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stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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def symbolize(self, addr, binary, offset):
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"""Overrides Symbolizer.symbolize."""
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if self.binary != binary:
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return None
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lines = []
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try:
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print >> self.pipe.stdin, offset
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print >> self.pipe.stdin, self.output_terminator
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is_first_frame = True
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while True:
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function_name = self.pipe.stdout.readline().rstrip()
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file_name = self.pipe.stdout.readline().rstrip()
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if is_first_frame:
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is_first_frame = False
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elif function_name in ['', '??']:
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assert file_name == function_name
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break
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lines.append((function_name, file_name));
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except Exception:
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lines.append(('??', '??:0'))
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return ['%s in %s %s' % (addr, function, fix_filename(file)) for (function, file) in lines]
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class UnbufferedLineConverter(object):
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"""
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Wrap a child process that responds to each line of input with one line of
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output. Uses pty to trick the child into providing unbuffered output.
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"""
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def __init__(self, args, close_stderr=False):
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# Local imports so that the script can start on Windows.
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import pty
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import termios
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pid, fd = pty.fork()
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if pid == 0:
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# We're the child. Transfer control to command.
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if close_stderr:
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dev_null = os.open('/dev/null', 0)
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os.dup2(dev_null, 2)
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os.execvp(args[0], args)
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else:
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# Disable echoing.
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attr = termios.tcgetattr(fd)
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attr[3] = attr[3] & ~termios.ECHO
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termios.tcsetattr(fd, termios.TCSANOW, attr)
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# Set up a file()-like interface to the child process
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self.r = os.fdopen(fd, "r", 1)
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self.w = os.fdopen(os.dup(fd), "w", 1)
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def convert(self, line):
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self.w.write(line + "\n")
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return self.readline()
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def readline(self):
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return self.r.readline().rstrip()
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class DarwinSymbolizer(Symbolizer):
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def __init__(self, addr, binary):
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super(DarwinSymbolizer, self).__init__()
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self.binary = binary
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self.arch = guess_arch(addr)
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self.open_atos()
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def open_atos(self):
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if DEBUG:
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print 'atos -o %s -arch %s' % (self.binary, self.arch)
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cmdline = ['atos', '-o', self.binary, '-arch', self.arch]
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self.atos = UnbufferedLineConverter(cmdline, close_stderr=True)
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def symbolize(self, addr, binary, offset):
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"""Overrides Symbolizer.symbolize."""
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if self.binary != binary:
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return None
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atos_line = self.atos.convert('0x%x' % int(offset, 16))
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while "got symbolicator for" in atos_line:
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atos_line = self.atos.readline()
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# A well-formed atos response looks like this:
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# foo(type1, type2) (in object.name) (filename.cc:80)
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match = re.match('^(.*) \(in (.*)\) \((.*:\d*)\)$', atos_line)
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if DEBUG:
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print 'atos_line: ', atos_line
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if match:
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function_name = match.group(1)
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function_name = re.sub('\(.*?\)', '', function_name)
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file_name = fix_filename(match.group(3))
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return ['%s in %s %s' % (addr, function_name, file_name)]
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else:
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return ['%s in %s' % (addr, atos_line)]
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# Chain several symbolizers so that if one symbolizer fails, we fall back
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# to the next symbolizer in chain.
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class ChainSymbolizer(Symbolizer):
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def __init__(self, symbolizer_list):
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super(ChainSymbolizer, self).__init__()
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self.symbolizer_list = symbolizer_list
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def symbolize(self, addr, binary, offset):
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"""Overrides Symbolizer.symbolize."""
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for symbolizer in self.symbolizer_list:
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if symbolizer:
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result = symbolizer.symbolize(addr, binary, offset)
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if result:
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return result
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return None
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def append_symbolizer(self, symbolizer):
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self.symbolizer_list.append(symbolizer)
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def BreakpadSymbolizerFactory(binary):
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suffix = os.getenv('BREAKPAD_SUFFIX')
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if suffix:
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filename = binary + suffix
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if os.access(filename, os.F_OK):
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return BreakpadSymbolizer(filename)
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return None
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def SystemSymbolizerFactory(system, addr, binary):
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if system == 'Darwin':
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return DarwinSymbolizer(addr, binary)
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elif system == 'Linux' or system == 'FreeBSD':
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return Addr2LineSymbolizer(binary)
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class BreakpadSymbolizer(Symbolizer):
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def __init__(self, filename):
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super(BreakpadSymbolizer, self).__init__()
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self.filename = filename
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lines = file(filename).readlines()
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self.files = []
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self.symbols = {}
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self.address_list = []
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self.addresses = {}
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# MODULE mac x86_64 A7001116478B33F18FF9BEDE9F615F190 t
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fragments = lines[0].rstrip().split()
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self.arch = fragments[2]
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self.debug_id = fragments[3]
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self.binary = ' '.join(fragments[4:])
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self.parse_lines(lines[1:])
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def parse_lines(self, lines):
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cur_function_addr = ''
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for line in lines:
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fragments = line.split()
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if fragments[0] == 'FILE':
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assert int(fragments[1]) == len(self.files)
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self.files.append(' '.join(fragments[2:]))
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elif fragments[0] == 'PUBLIC':
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self.symbols[int(fragments[1], 16)] = ' '.join(fragments[3:])
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elif fragments[0] in ['CFI', 'STACK']:
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pass
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elif fragments[0] == 'FUNC':
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cur_function_addr = int(fragments[1], 16)
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if not cur_function_addr in self.symbols.keys():
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self.symbols[cur_function_addr] = ' '.join(fragments[4:])
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else:
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# Line starting with an address.
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addr = int(fragments[0], 16)
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self.address_list.append(addr)
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# Tuple of symbol address, size, line, file number.
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self.addresses[addr] = (cur_function_addr,
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int(fragments[1], 16),
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int(fragments[2]),
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int(fragments[3]))
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self.address_list.sort()
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def get_sym_file_line(self, addr):
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key = None
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if addr in self.addresses.keys():
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key = addr
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else:
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index = bisect.bisect_left(self.address_list, addr)
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if index == 0:
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return None
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else:
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key = self.address_list[index - 1]
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sym_id, size, line_no, file_no = self.addresses[key]
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symbol = self.symbols[sym_id]
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filename = self.files[file_no]
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if addr < key + size:
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return symbol, filename, line_no
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else:
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return None
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def symbolize(self, addr, binary, offset):
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if self.binary != binary:
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return None
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res = self.get_sym_file_line(int(offset, 16))
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if res:
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function_name, file_name, line_no = res
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result = ['%s in %s %s:%d' % (
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addr, function_name, file_name, line_no)]
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print result
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return result
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else:
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return None
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class SymbolizationLoop(object):
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def __init__(self, binary_name_filter=None, dsym_hint_producer=None):
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if sys.platform == 'win32':
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# ASan on Windows uses dbghelp.dll to symbolize in-process, which works
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# even in sandboxed processes. Nothing needs to be done here.
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self.process_line = self.process_line_echo
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else:
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# Used by clients who may want to supply a different binary name.
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# E.g. in Chrome several binaries may share a single .dSYM.
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self.binary_name_filter = binary_name_filter
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self.dsym_hint_producer = dsym_hint_producer
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self.system = os.uname()[0]
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if self.system not in ['Linux', 'Darwin', 'FreeBSD']:
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raise Exception('Unknown system')
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self.llvm_symbolizers = {}
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self.last_llvm_symbolizer = None
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self.dsym_hints = set([])
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self.frame_no = 0
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self.process_line = self.process_line_posix
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def symbolize_address(self, addr, binary, offset):
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# On non-Darwin (i.e. on platforms without .dSYM debug info) always use
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# a single symbolizer binary.
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# On Darwin, if the dsym hint producer is present:
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# 1. check whether we've seen this binary already; if so,
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# use |llvm_symbolizers[binary]|, which has already loaded the debug
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# info for this binary (might not be the case for
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|
||||||
# |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()
|
|
||||||
Loading…
Reference in New Issue
Block a user