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# Copyright 2011 Shinichiro Hamaji. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY Shinichiro Hamaji ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Shinichiro Hamaji OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
import gdb
import os
import re
import sys
def bt(demangle=True):
# Find the newest frame.
frame = gdb.selected_frame()
while True:
next = frame.newer()
if not next:
break
frame = next
if demangle:
pipe = os.popen('c++filt', 'w')
else:
pipe = sys.stdout
i = 0
while frame:
s = gdb.execute('p dumpSymbol((void*)0x%x)' % frame.pc(),
to_string=True)
m = re.match(r'.*"(.*)"$', s)
if m:
pipe.write("#%-2d %s\n" % (i, m.group(1)))
else:
sal = frame.find_sal()
lineno = ''
if sal.symtab:
lineno = ' at %s:%d' % (sal.symtab, sal.line)
pipe.write("#%-2d 0x%x %s%s\n" %
(i, frame.pc(), frame.name(), lineno))
frame = frame.older()
i += 1
pipe.close()