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Update the unwind_diagnose script to work correctly with both 

lldb-179 version numberings and the new lldb-300 version numberings.
Remove the pretense that someone might run this from the command
line; this is only used from within a live lldb debug session.  Fix
the loading so it can be loaded via "script import lldb.macosx" or
the script can be loaded individually like "command script import
unwind_diagnose.py"

llvm-svn: 180085
This commit is contained in:
Jason Molenda 2013-04-23 09:38:10 +00:00
parent 28acf056e1
commit 0f224d2cd4
1 changed files with 10 additions and 48 deletions
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58
lldb/examples/python/unwind_diagnose.py
View File

@ -1,49 +1,13 @@
#!/usr/bin/python
# This implements the unwind-diagnose command, usually installed in the debug session like
# This implements the "unwind-diagnose" command, usually installed in the debug session like
# script import lldb.macosx
# it is used when lldb's backtrace fails -- it collects and prints information about the stack frames,
# and tries an alternate unwind algorithm, that will help to understand why lldb's unwind algorithm did
# not succeed.
import commands
import optparse
import os
import platform
import lldb
import re
import shlex
import sys
try:
# Just try for LLDB in case PYTHONPATH is already correctly setup
import lldb
except ImportError:
lldb_python_dirs = list()
# lldb is not in the PYTHONPATH, try some defaults for the current platform
platform_system = platform.system()
if platform_system == 'Darwin':
# On Darwin, try the currently selected Xcode directory
xcode_dir = commands.getoutput("xcode-select --print-path")
if xcode_dir:
lldb_python_dirs.append(os.path.realpath(xcode_dir + '/../SharedFrameworks/LLDB.framework/Resources/Python'))
lldb_python_dirs.append(xcode_dir + '/Library/PrivateFrameworks/LLDB.framework/Resources/Python')
lldb_python_dirs.append('/System/Library/PrivateFrameworks/LLDB.framework/Resources/Python')
success = False
for lldb_python_dir in lldb_python_dirs:
if os.path.exists(lldb_python_dir):
if not (sys.path.__contains__(lldb_python_dir)):
sys.path.append(lldb_python_dir)
try:
import lldb
except ImportError:
pass
else:
print 'imported lldb from: "%s"' % (lldb_python_dir)
success = True
break
if not success:
print "error: couldn't locate the 'lldb' module, please set PYTHONPATH correctly"
sys.exit(1)
# Print the frame number, pc, frame pointer, module UUID and function name
def backtrace_print_frame (target, frame_num, addr, fp):
@ -134,13 +98,13 @@ def unwind_diagnose(debugger, command, result, dict):
if process:
thread = process.GetSelectedThread()
if thread:
lldb_versions_match = re.search(r'lldb-(\d+)([.](\d+))?([.](\d+))?', debugger.GetVersionString())
lldb_versions_match = re.search(r'[lL][lL][dD][bB]-(\d+)([.](\d+))?([.](\d+))?', debugger.GetVersionString())
lldb_version = 0
lldb_minor = 0
if len(lldb_versions_match.groups()) >= 1:
lldb_major = lldb_versions_match.groups(1)
if len(lldb_versions_match.groups()) >= 5:
lldb_minor = lldb_versions_match.groups(5)
if len(lldb_versions_match.groups()) >= 1 and lldb_versions_match.groups()[0]:
lldb_major = int(lldb_versions_match.groups()[0])
if len(lldb_versions_match.groups()) >= 5 and lldb_versions_match.groups()[4]:
lldb_minor = int(lldb_versions_match.groups()[4])
print 'Unwind diagnostics for thread %d' % thread.GetIndexID()
print ""
@ -193,8 +157,6 @@ def create_unwind_diagnose_options():
parser = optparse.OptionParser(description=description, prog='unwind_diagnose',usage=usage)
return parser
if __name__ == '__main__':
print 'This is not meant to be run from the command line, import it into lldb with a command like "script import lldb.macosx"'
elif getattr(lldb, 'debugger', None):
lldb.debugger.HandleCommand('command script add -f lldb.macosx.unwind_diagnose.unwind_diagnose unwind-diagnose')
print 'The "unwind-diagnose" command has been installed, type "help unwind-diagnose" for detailed help.'
#def __lldb_init_module (debugger, dict):
lldb.debugger.HandleCommand('command script add -f %s.unwind_diagnose unwind-diagnose' % __name__)
print 'The "unwind-diagnose" command has been installed, type "help unwind-diagnose" for detailed help.'