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deb62371fe
Pass the path to the program to scripts/check_sparse.py, which previously was not included in config-host.mak. Change scripts/check_sparse.py to work with cgcc, which seems to work better with sparse 0.6.x. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
60 lines
1.6 KiB
Python
60 lines
1.6 KiB
Python
#! /usr/bin/env python3
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# Invoke sparse based on the contents of compile_commands.json,
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# also working around several deficiencies in cgcc's command line
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# parsing
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import json
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import subprocess
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import os
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import sys
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import shlex
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def cmdline_for_sparse(sparse, cmdline):
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# Do not include the C compiler executable
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skip = True
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arg = False
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out = sparse + ['-no-compile']
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for x in cmdline:
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if arg:
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out.append(x)
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arg = False
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continue
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if skip:
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skip = False
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continue
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# prevent sparse from treating output files as inputs
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if x == '-MF' or x == '-MQ' or x == '-o':
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skip = True
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continue
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# cgcc ignores -no-compile if it sees -M or -MM?
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if x.startswith('-M'):
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continue
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# sparse does not understand these!
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if x == '-iquote' or x == '-isystem':
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x = '-I'
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if x == '-I':
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arg = True
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out.append(x)
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return out
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root_path = os.getenv('MESON_BUILD_ROOT')
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def build_path(s):
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return s if not root_path else os.path.join(root_path, s)
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ccjson_path = build_path(sys.argv[1])
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with open(ccjson_path, 'r') as fd:
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compile_commands = json.load(fd)
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sparse = sys.argv[2:]
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sparse_env = os.environ.copy()
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for cmd in compile_commands:
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cmdline = shlex.split(cmd['command'])
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cmd = cmdline_for_sparse(sparse, cmdline)
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print('REAL_CC=%s' % shlex.quote(cmdline[0]),
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' '.join((shlex.quote(x) for x in cmd)))
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sparse_env['REAL_CC'] = cmdline[0]
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r = subprocess.run(cmd, env=sparse_env, cwd=root_path)
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if r.returncode != 0:
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sys.exit(r.returncode)
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