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Implement LinuxSymbolizer instead of symbolize_addr2line.

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llvm-svn: 161181
This commit is contained in:
Alexander Potapenko 2012-08-02 14:58:04 +00:00
parent 232ae7cc20
commit 879b1ffca7
1 changed files with 37 additions and 39 deletions
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76
compiler-rt/lib/asan/scripts/asan_symbolize.py
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@ -13,7 +13,7 @@ import re
import sys
import subprocess
pipes = {}
symbolizers = {}
filetypes = {}
vmaddrs = {}
DEBUG = False
@ -27,35 +27,29 @@ def fix_filename(file_name):
return file_name
# TODO(glider): need some refactoring here
def symbolize_addr2line(line):
#0 0x7f6e35cf2e45 (/blah/foo.so+0x11fe45)
match = re.match('^( *#([0-9]+) *0x[0-9a-f]+) *\((.*)\+(0x[0-9a-f]+)\)', line)
if match:
# frameno = match.group(2)
binary = match.group(3)
addr = match.group(4)
if not pipes.has_key(binary):
pipes[binary] = subprocess.Popen(["addr2line", "-f", "-e", binary],
stdin=subprocess.PIPE, stdout=subprocess.PIPE)
p = pipes[binary]
class Symbolizer(object):
def __init__(self):
pass
class LinuxSymbolizer(Symbolizer):
def __init__(self, binary):
super(LinuxSymbolizer, self).__init__()
self.binary = binary
self.pipe = self.open_addr2line()
def open_addr2line(self):
return subprocess.Popen(["addr2line", "-f", "-e", self.binary],
stdin=subprocess.PIPE, stdout=subprocess.PIPE)
def symbolize(self, prefix, addr, _):
try:
print >> p.stdin, addr
function_name = p.stdout.readline().rstrip()
file_name = p.stdout.readline().rstrip()
print >> self.pipe.stdin, addr
function_name = self.pipe.stdout.readline().rstrip()
file_name = self.pipe.stdout.readline().rstrip()
except Exception:
function_name = ""
file_name = ""
file_name = fix_filename(file_name)
print match.group(1), "in", function_name, file_name
else:
print line.rstrip()
class Symbolizer(object):
def __init__(self):
pass
return "%s%s in %s %s" % (prefix, addr, function_name, file_name)
class DarwinSymbolizer(Symbolizer):
@ -150,6 +144,13 @@ def BreakpadSymbolizerFactory(addr, binary):
return None
def SystemSymbolizerFactory(system, addr, binary):
if system == 'Darwin':
return DarwinSymbolizer(addr, binary)
elif system == 'Linux':
return LinuxSymbolizer(binary)
class BreakpadSymbolizer(Symbolizer):
def __init__(self, filename):
super(BreakpadSymbolizer, self).__init__()
@ -215,7 +216,7 @@ class BreakpadSymbolizer(Symbolizer):
return None
def symbolize_line(line):
def symbolize_line(system, line):
#0 0x7f6e35cf2e45 (/blah/foo.so+0x11fe45)
match = re.match('^( *#([0-9]+) *)(0x[0-9a-f]+) *\((.*)\+(0x[0-9a-f]+)\)',
line)
@ -227,30 +228,27 @@ def symbolize_line(line):
addr = match.group(3)
binary = match.group(4)
offset = match.group(5)
if not pipes.has_key(binary):
if not symbolizers.has_key(binary):
p = BreakpadSymbolizerFactory(addr, binary)
if p:
pipes[binary] = p
symbolizers[binary] = p
else:
pipes[binary] = DarwinSymbolizer(addr, binary)
result = pipes[binary].symbolize(prefix, addr, offset)
symbolizers[binary] = SystemSymbolizerFactory(system, addr, binary)
result = symbolizers[binary].symbolize(prefix, addr, offset)
if result is None:
pipes[binary] = ChainSymbolizer(pipes[binary],
DarwinSymbolizer(addr, binary))
return pipes[binary].symbolize(prefix, addr, offset)
symbolizers[binary] = ChainSymbolizer(symbolizers[binary],
SystemSymbolizerFactory(system, addr, binary))
return symbolizers[binary].symbolize(prefix, addr, offset)
else:
return line
def main():
system = os.uname()[0]
if system in ['Linux', 'Darwin']:
for line in sys.stdin:
if system == 'Linux':
symbolize_addr2line(line)
elif system == 'Darwin':
line = symbolize_line(line)
print line.rstrip()
line = symbolize_line(system, line)
print line.rstrip()
else:
print 'Unknown system: ', system