resolve_addr.py

#!/usr/bin/python

#
# Resolve symbol address from running process
#

import sys
import time

from sample_reader import Mappings, SymbolResolver


if __name__ == '__main__':
    if len(sys.argv) != 3:
        print "Usage: %s <pid> <addr>" % sys.argv[0]
        sys.exit(1)

    pid = int(sys.argv[1])
    addr = int(sys.argv[2], 0)

    mappings = Mappings()
    fd = open('/proc/%d/maps' % pid)
    for line in fd:
        line = line.rstrip('\n')
        mappings.parseLine(line)
    fd.close()

    resolver = SymbolResolver(mappings)
    res = resolver.resolve(addr)
    #print res

    # result contains: {binPath, offsetInBin, frames}
    if res.has_key('frames'):
        for frame in res['frames']:
            # frame contains: (function name, source file, source line number)
            if frame[0] is None:
                print "??"
            else:
                print frame[0]

            if frame[1] is None:
                sys.stdout.write("??:")
            else:
                sys.stdout.write(frame[1]+":")
            if frame[2] is None:
                print "??"
            else:
                print frame[2]