c7cbf32f57
Add a parser for JSON crashlogs. The CrashLogParser now defers to either the JSONCrashLogParser or the TextCrashLogParser. It first tries to interpret the input as JSON, and if that fails falling back to the textual parser. Differential revision: https://reviews.llvm.org/D91130
61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
#!/usr/bin/env python
|
|
|
|
import json
|
|
import os
|
|
import re
|
|
import subprocess
|
|
import sys
|
|
|
|
|
|
class CrashLogPatcher:
|
|
|
|
SYMBOL_REGEX = re.compile(r'^([0-9a-fA-F]+) T _(.*)$')
|
|
UUID_REGEX = re.compile(r'UUID: ([-0-9a-fA-F]+) \(([^\(]+)\) .*')
|
|
|
|
def __init__(self, data, binary, offsets):
|
|
self.data = data
|
|
self.binary = binary
|
|
self.offsets = offsets
|
|
|
|
def patch_executable(self):
|
|
self.data = self.data.replace("@EXEC@", self.binary)
|
|
self.data = self.data.replace("@NAME@", os.path.basename(self.binary))
|
|
|
|
def patch_uuid(self):
|
|
output = subprocess.check_output(['dwarfdump', '--uuid', self.binary])
|
|
m = self.UUID_REGEX.match(output)
|
|
if m:
|
|
self.data = self.data.replace("@UUID@", m.group(1))
|
|
|
|
def patch_addresses(self):
|
|
if not self.offsets:
|
|
return
|
|
output = subprocess.check_output(['nm', self.binary])
|
|
for line in output.splitlines():
|
|
m = self.SYMBOL_REGEX.match(line)
|
|
if m:
|
|
address = m.group(1)
|
|
symbol = m.group(2)
|
|
if symbol in self.offsets:
|
|
patch_addr = int(m.group(1), 16) + int(
|
|
self.offsets[symbol])
|
|
self.data = self.data.replace("@{}@".format(symbol),
|
|
str(hex(patch_addr)))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
binary = sys.argv[1]
|
|
crashlog = sys.argv[2]
|
|
offsets = json.loads(sys.argv[3]) if len(sys.argv) > 3 else None
|
|
|
|
with open(crashlog, 'r') as file:
|
|
data = file.read()
|
|
|
|
p = CrashLogPatcher(data, binary, offsets)
|
|
p.patch_executable()
|
|
p.patch_uuid()
|
|
p.patch_addresses()
|
|
|
|
with open(crashlog, 'w') as file:
|
|
file.write(p.data)
|