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#!/usr/bin/python3
import os
import re
import sys
import subprocess
if (len(sys.argv) < 3):
print("Usage: %s [binary] [log]" % (sys.argv[0]))
sys.exit(1)
binary = sys.argv[1]
count = 0
frames = []
addrs = []
log_file = open(sys.argv[2], 'r')
# Extract addresses
for line in log_file:
matchobj = re.compile(r'\[(0x[0-9a-f]+)\]$').search(line)
if matchobj:
addrs.append(matchobj.group(1))
log_file.close()
# Feed into addr2line
command = ['addr2line', '--demangle', '--functions', '--basename',
'-e', binary]
command.extend(addrs)
p = subprocess.Popen(command, shell=False, bufsize=0,
stdin=subprocess.PIPE, stdout=subprocess.PIPE, close_fds=True)
(child_stdin, child_stdout) = (p.stdin, p.stdout)
child_stdin.close()
# Backtrace display
for line in child_stdout:
if line.startswith("??"):
continue
line = line.strip()
frames.append(line)
child_stdout.close()
frame_count = len(frames);
count = 0
print("-------- backtrace --------")
while count < frame_count:
print("[%d]: %s() [%s]" % (count/2, frames[count], frames[count + 1]))
count = count + 2
print("---------------------------")
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