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authorVitaly Buka <vitalybuka@google.com>2017-11-01 00:55:52 +0000
committerVitaly Buka <vitalybuka@google.com>2017-11-01 00:55:52 +0000
commitb3c355d3c87d2ea131fd71836d848fe5aa89d20d (patch)
tree9ed0aedf85f44e9450071be2ac31c28f4a60a1e4 /lib/fuzzer/scripts
parent142775ac8314b5a2accfb9832e7226856deddbe9 (diff)
downloadcompiler-rt-b3c355d3c87d2ea131fd71836d848fe5aa89d20d.tar.gz
Revert "[fuzzer] Fix threaded stack printing and nested mallocs"
Fails on darwin Revert "[fuzzer] Script to detect unbalanced allocation in -trace_malloc output" Needs previous one. This reverts commit r317034, r317036. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317061 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/fuzzer/scripts')
-rwxr-xr-xlib/fuzzer/scripts/unbalanced_allocs.py93
1 files changed, 0 insertions, 93 deletions
diff --git a/lib/fuzzer/scripts/unbalanced_allocs.py b/lib/fuzzer/scripts/unbalanced_allocs.py
deleted file mode 100755
index a4ce18767..000000000
--- a/lib/fuzzer/scripts/unbalanced_allocs.py
+++ /dev/null
@@ -1,93 +0,0 @@
-#!/usr/bin/env python
-#===- lib/fuzzer/scripts/unbalanced_allocs.py ------------------------------===#
-#
-# The LLVM Compiler Infrastructure
-#
-# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
-#
-#===------------------------------------------------------------------------===#
-#
-# Post-process -trace_malloc=2 output and printout only allocations and frees
-# unbalanced inside of fuzzer runs.
-# Usage:
-# my_fuzzer -trace_malloc=2 -runs=10 2>&1 | unbalanced_allocs.py -skip=5
-#
-#===------------------------------------------------------------------------===#
-
-import argparse
-import sys
-
-_skip = 0
-
-def PrintStack(line, stack):
- global _skip
- if _skip > 0:
- return
- print 'Unbalanced ' + line.rstrip();
- for l in stack:
- print l.rstrip()
-
-def ProcessStack(line, f):
- stack = []
- while line and line.startswith(' #'):
- stack += [line]
- line = f.readline()
- return line, stack
-
-def ProcessFree(line, f, allocs):
- if not line.startswith('FREE['):
- return f.readline()
-
- addr = int(line.split()[1], 16)
- next_line, stack = ProcessStack(f.readline(), f)
- if addr in allocs:
- del allocs[addr]
- else:
- PrintStack(line, stack)
- return next_line
-
-def ProcessMalloc(line, f, allocs):
- if not line.startswith('MALLOC['):
- return ProcessFree(line, f, allocs)
-
- addr = int(line.split()[1], 16)
- assert not addr in allocs
-
- next_line, stack = ProcessStack(f.readline(), f)
- allocs[addr] = (line, stack)
- return next_line
-
-def ProcessRun(line, f):
- if not line.startswith('MallocFreeTracer: START'):
- return ProcessMalloc(line, f, {})
-
- allocs = {}
- print line.rstrip()
- line = f.readline()
- while line:
- if line.startswith('MallocFreeTracer: STOP'):
- global _skip
- _skip = _skip - 1
- for _, (l, s) in allocs.iteritems():
- PrintStack(l, s)
- print line.rstrip()
- return f.readline()
- line = ProcessMalloc(line, f, allocs)
- return line
-
-def ProcessFile(f):
- line = f.readline()
- while line:
- line = ProcessRun(line, f);
-
-def main(argv):
- parser = argparse.ArgumentParser()
- parser.add_argument('--skip', default=0, help='number of runs to ignore')
- args = parser.parse_args()
- global _skip
- _skip = int(args.skip) + 1
- ProcessFile(sys.stdin)
-
-if __name__ == '__main__':
- main(sys.argv)