File size: 6,772 Bytes
0cb039c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | #!/usr/bin/env python3
"""Linux/GCC O0 qualifier for candidate DecBench C++ projects."""
from __future__ import annotations
import argparse
import json
import os
import re
import stat
import subprocess
import tempfile
from pathlib import Path
from typing import Any
import corpus_pipeline as cp
CMAKE_PROBE = re.compile(r'(?:^|/)CMakeFiles/(?:\d+(?:\.\d+)+|CMakeScratch)(?:/|$)')
def is_toolchain_probe(path: Path, search_root: Path) -> bool:
try:
rel = path.relative_to(search_root).as_posix()
except ValueError:
rel = path.as_posix()
return bool(
CMAKE_PROBE.search(rel)
or 'CMakeDetermineCompilerABI' in rel
or 'CompilerIdC' in rel
or '/meson-private/' in f'/{rel}'
or '/meson-logs/' in f'/{rel}'
or path.name.startswith('conftest')
)
def build(root: Path, system: str) -> tuple[bool, list[dict[str, Any]], Path]:
env = os.environ.copy()
env.update({'CC': 'gcc', 'CXX': 'g++', 'CFLAGS': cp.O0_FLAGS, 'CXXFLAGS': cp.O0_FLAGS})
steps: list[dict[str, Any]] = []
b = root / '_decbench_build'
if system == 'cmake':
cfg = [
'cmake', '-S', '.', '-B', str(b), '-G', 'Ninja',
'-DCMAKE_BUILD_TYPE=',
'-DCMAKE_C_COMPILER=gcc', '-DCMAKE_CXX_COMPILER=g++',
f'-DCMAKE_C_FLAGS={cp.O0_FLAGS}', f'-DCMAKE_CXX_FLAGS={cp.O0_FLAGS}',
'-DBUILD_SHARED_LIBS=ON',
*cp.COMMON_CMAKE_DISABLES,
]
r = cp.run(cfg, root, env, 180)
steps.append({'name': 'configure', **r})
if r['returncode'] != 0:
return False, steps, b
r = cp.run(['cmake', '--build', str(b), '-j', '2'], root, env, 420)
steps.append({'name': 'build', **r})
return r['returncode'] == 0, steps, b
if system == 'meson':
r = cp.run(['meson', 'setup', str(b), '--buildtype=plain', '-Ddefault_library=shared'], root, env, 180)
steps.append({'name': 'configure', **r})
if r['returncode'] != 0:
return False, steps, b
r = cp.run(['meson', 'compile', '-C', str(b), '-j', '2'], root, env, 420)
steps.append({'name': 'build', **r})
return r['returncode'] == 0, steps, b
if system == 'autotools':
r = cp.run(['autoreconf', '-fi'], root, env, 120)
steps.append({'name': 'autoreconf', **r})
if r['returncode'] != 0:
return False, steps, root
configure = root / 'configure'
if configure.exists():
configure.chmod(configure.stat().st_mode | stat.S_IXUSR)
r = cp.run(['./configure', '--disable-dependency-tracking', '--enable-shared'], root, env, 180)
steps.append({'name': 'configure', **r})
if r['returncode'] != 0:
return False, steps, root
r = cp.run(['make', '-j2'], root, env, 420)
steps.append({'name': 'build', **r})
return r['returncode'] == 0, steps, root
if system == 'make':
r = cp.run(['make', '-j2'], root, env, 420)
steps.append({'name': 'build', **r})
return r['returncode'] == 0, steps, root
return False, [{'name': 'detect', 'returncode': 2, 'output': 'unsupported build system'}], root
def inspect(root: Path, search_root: Path) -> dict[str, Any]:
ii = [p for p in search_root.rglob('*.ii') if p.is_file() and not is_toolchain_probe(p, search_root)]
linked: list[Path] = []
for p in search_root.rglob('*'):
if not p.is_file() or p.is_symlink() or is_toolchain_probe(p, search_root):
continue
if '.git' in p.parts:
continue
try:
if p.stat().st_size > 400 * 1024 * 1024:
continue
except OSError:
continue
if cp.is_elf_linked(p):
linked.append(p)
dwarf_bins = [p for p in linked if cp.dwarf_present(p)]
funcs = 0
for p in sorted(dwarf_bins, key=lambda q: q.stat().st_size)[:3]:
funcs += cp.dwarf_subprogram_count(p)
def rel(p: Path) -> str:
try:
return str(p.relative_to(root))
except ValueError:
return str(p)
return {
'linked_elf_count': len(linked),
'dwarf_elf_count': len(dwarf_bins),
'ii_count': len(ii),
'sample_binaries': [rel(p) for p in dwarf_bins[:8]],
'sample_ii': [rel(p) for p in ii[:8]],
'dwarf_subprogram_count_sample': funcs,
}
def main() -> int:
ap = argparse.ArgumentParser()
ap.add_argument('--repo', required=True)
ap.add_argument('--out', required=True)
args = ap.parse_args()
out = Path(args.out)
out.parent.mkdir(parents=True, exist_ok=True)
result: dict[str, Any] = {
'repo': args.repo,
'status': 'FAIL',
'qualification': False,
'flags': cp.O0_FLAGS,
'qualifier_version': 2,
}
with tempfile.TemporaryDirectory(prefix='decbench-cpp-') as td:
root = Path(td) / 'src'
clone = cp.run(
['git', 'clone', '--depth', '1', '--recurse-submodules', '--shallow-submodules', f'https://github.com/{args.repo}.git', str(root)],
Path(td), os.environ.copy(), 150,
)
result['clone'] = clone
if clone['returncode'] != 0:
result['failure_stage'] = 'clone'
out.write_text(json.dumps(result, indent=2) + '\n')
return 0
try:
result['revision'] = subprocess.check_output(['git', 'rev-parse', 'HEAD'], cwd=root, text=True).strip()
except Exception:
result['revision'] = None
system = cp.detect_build_system(root)
result['build_system'] = system
if not system:
result['failure_stage'] = 'build_system'
out.write_text(json.dumps(result, indent=2) + '\n')
return 0
ok, steps, search_root = build(root, system)
result['steps'] = steps
if not ok:
result['failure_stage'] = 'build'
out.write_text(json.dumps(result, indent=2) + '\n')
return 0
artifacts = inspect(root, search_root if search_root.exists() else root)
result['artifacts'] = artifacts
qualified = artifacts['linked_elf_count'] > 0 and artifacts['dwarf_elf_count'] > 0 and artifacts['ii_count'] > 0
result['qualification'] = qualified
result['status'] = 'PASS' if qualified else 'FAIL'
if not qualified:
result['failure_stage'] = 'artifact_oracle'
out.write_text(json.dumps(result, indent=2) + '\n')
return 0
if __name__ == '__main__':
raise SystemExit(main())
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