зеркало из https://github.com/mozilla/gecko-dev.git
127 строки
4.3 KiB
Python
Executable File
127 строки
4.3 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
from __future__ import with_statement
|
|
|
|
import sys
|
|
import os
|
|
import re
|
|
import bisect
|
|
|
|
def prettyFileName(name):
|
|
if name.startswith("../") or name.startswith("..\\"):
|
|
# dom_quickstubs.cpp and many .h files show up with relative paths that are useless
|
|
# and/or don't correspond to the layout of the source tree.
|
|
return os.path.basename(name) + ":"
|
|
elif name.startswith("hg:"):
|
|
(junk, repo, path, rev) = name.split(":")
|
|
# We could construct an hgweb URL with /file/ or /annotate/, like this:
|
|
# return "http://%s/annotate/%s/%s#l" % (repo, rev, path)
|
|
return path + ":"
|
|
return name + ":"
|
|
|
|
class readSymbolFile:
|
|
def __init__(self, fn):
|
|
addrs = [] # list of addresses, which will be sorted once we're done initializing
|
|
funcs = {} # hash: address --> (function name + possible file/line)
|
|
files = {} # hash: filenum (string) --> prettified filename ready to have a line number appended
|
|
with open(fn) as f:
|
|
for line in f:
|
|
line = line.rstrip()
|
|
# http://code.google.com/p/google-breakpad/wiki/SymbolFiles
|
|
if line.startswith("FUNC "):
|
|
# FUNC <address> <size> <stack_param_size> <name>
|
|
(junk, rva, size, ss, name) = line.split(None, 4)
|
|
rva = int(rva,16)
|
|
funcs[rva] = name
|
|
addrs.append(rva)
|
|
lastFuncName = name
|
|
elif line.startswith("PUBLIC "):
|
|
# PUBLIC <address> <stack_param_size> <name>
|
|
(junk, rva, ss, name) = line.split(None, 3)
|
|
rva = int(rva,16)
|
|
funcs[rva] = name
|
|
addrs.append(rva)
|
|
elif line.startswith("FILE "):
|
|
# FILE <number> <name>
|
|
(junk, filenum, name) = line.split(None, 2)
|
|
files[filenum] = prettyFileName(name)
|
|
elif line[0] in "0123456789abcdef":
|
|
# This is one of the "line records" corresponding to the last FUNC record
|
|
# <address> <size> <line> <filenum>
|
|
(rva, size, line, filenum) = line.split(None)
|
|
rva = int(rva,16)
|
|
file = files[filenum]
|
|
name = lastFuncName + " [" + file + line + "]"
|
|
funcs[rva] = name
|
|
addrs.append(rva)
|
|
# skip everything else
|
|
#print "Loaded %d functions from symbol file %s" % (len(funcs), os.path.basename(fn))
|
|
self.addrs = sorted(addrs)
|
|
self.funcs = funcs
|
|
def addrToSymbol(self, address):
|
|
i = bisect.bisect(self.addrs, address) - 1
|
|
if i > 0:
|
|
#offset = address - self.addrs[i]
|
|
return self.funcs[self.addrs[i]]
|
|
else:
|
|
return ""
|
|
|
|
|
|
def guessSymbolFile(fn, symbolsDir):
|
|
"""Guess a symbol file based on an object file's basename, ignoring the path and UUID."""
|
|
fn = os.path.basename(fn)
|
|
d1 = os.path.join(symbolsDir, fn)
|
|
if not os.path.exists(d1):
|
|
return None
|
|
uuids = os.listdir(d1)
|
|
if len(uuids) == 0:
|
|
raise Exception("Missing symbol file for " + fn)
|
|
if len(uuids) > 1:
|
|
raise Exception("Ambiguous symbol file for " + fn)
|
|
return os.path.join(d1, uuids[0], fn + ".sym")
|
|
|
|
parsedSymbolFiles = {}
|
|
def addressToSymbol(file, address, symbolsDir):
|
|
p = None
|
|
if not file in parsedSymbolFiles:
|
|
symfile = guessSymbolFile(file, symbolsDir)
|
|
if symfile:
|
|
p = readSymbolFile(symfile)
|
|
else:
|
|
p = None
|
|
parsedSymbolFiles[file] = p
|
|
else:
|
|
p = parsedSymbolFiles[file]
|
|
if p:
|
|
return p.addrToSymbol(address)
|
|
else:
|
|
return ""
|
|
|
|
line_re = re.compile("^(.*) ?\[([^ ]*) \+(0x[0-9A-F]{1,8})\](.*)$")
|
|
balance_tree_re = re.compile("^([ \|0-9-]*)")
|
|
|
|
def fixSymbols(line, symbolsDir):
|
|
result = line_re.match(line)
|
|
if result is not None:
|
|
# before allows preservation of balance trees
|
|
# after allows preservation of counts
|
|
(before, file, address, after) = result.groups()
|
|
address = int(address, 16)
|
|
# throw away the bad symbol, but keep balance tree structure
|
|
before = balance_tree_re.match(before).groups()[0]
|
|
symbol = addressToSymbol(file, address, symbolsDir)
|
|
if not symbol:
|
|
symbol = "%s + 0x%x" % (os.path.basename(file), address)
|
|
return before + symbol + after + "\n"
|
|
else:
|
|
return line
|
|
|
|
if __name__ == "__main__":
|
|
symbolsDir = sys.argv[1]
|
|
for line in iter(sys.stdin.readline, ''):
|
|
print fixSymbols(line, symbolsDir),
|