oss-fuzz/projects/llvm/coverage_patcher.py

40 lines
1.2 KiB
Python

#!/usr/bin/python3
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Module for patching out coverage instrumentation for specific files."""
import os
import sys
with open(sys.argv[1], "r") as f:
content = f.read()
patch_flag = False
new_content = ""
for line in content.split("\n"):
if patch_flag:
if "FLAGS =" in line:
print("Patching")
line = line.replace("-fprofile-instr-generate -fcoverage-mapping", "")
patch_flag = False
# Find the AMDGPUBaseInfo.cpp.o build
if "build" in line and ("AMDGPUBaseInfo.cpp.o" in line or "AMDGPUMCCodeEmitter.cpp.o" in line):
# Find the next flag
patch_flag = True
new_content += line + "\n"
with open(sys.argv[2], "w") as f:
f.write(new_content)