1 #!/usr/bin/env python 2 # Copyright 2016 The Chromium Authors. All rights reserved. 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 6 import hashlib 7 import os 8 import shutil 9 import sys 10 11 script_dir = os.path.dirname(os.path.realpath(__file__)) 12 src_build_dir = os.path.abspath(os.path.join(script_dir, os.pardir)) 13 sys.path.insert(0, src_build_dir) 14 15 import vs_toolchain 16 17 18 def _HexDigest(file_name): 19 hasher = hashlib.sha256() 20 afile = open(file_name, 'rb') 21 blocksize = 65536 22 buf = afile.read(blocksize) 23 while len(buf) > 0: 24 hasher.update(buf) 25 buf = afile.read(blocksize) 26 afile.close() 27 return hasher.hexdigest() 28 29 30 def _CopyImpl(file_name, target_dir, source_dir, verbose=False): 31 """Copy |source| to |target| if it doesn't already exist or if it 32 needs to be updated. 33 """ 34 target = os.path.join(target_dir, file_name) 35 source = os.path.join(source_dir, file_name) 36 if (os.path.isdir(os.path.dirname(target)) and 37 ((not os.path.isfile(target)) or 38 _HexDigest(source) != _HexDigest(target))): 39 if verbose: 40 print 'Copying %s to %s...' % (source, target) 41 if os.path.exists(target): 42 os.unlink(target) 43 shutil.copy(source, target) 44 45 46 def _CopyCDBToOutput(output_dir, target_arch): 47 """Copies the Windows debugging executable cdb.exe to the output 48 directory, which is created if it does not exist. The output 49 directory, and target architecture that should be copied, are 50 passed. Supported values for the target architecture are the GYP 51 values "ia32" and "x64" and the GN values "x86" and "x64". 52 """ 53 if not os.path.isdir(output_dir): 54 os.makedirs(output_dir) 55 vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs() 56 win_sdk_dir = os.path.normpath(os.environ['WINDOWSSDKDIR']) 57 if target_arch == 'ia32' or target_arch == 'x86': 58 src_arch = 'x86' 59 elif target_arch == 'x64': 60 src_arch = 'x64' 61 else: 62 print 'copy_cdb_to_output.py: unknown target_arch %s' % target_arch 63 sys.exit(1) 64 # We need to copy multiple files, so cache the computed source directory. 65 src_dir = os.path.join(win_sdk_dir, 'Debuggers', src_arch) 66 # Note that the outputs from the "copy_cdb_to_output" target need to 67 # be kept in sync with this list. 68 _CopyImpl('cdb.exe', output_dir, src_dir) 69 _CopyImpl('dbgeng.dll', output_dir, src_dir) 70 _CopyImpl('dbghelp.dll', output_dir, src_dir) 71 _CopyImpl('dbgmodel.dll', output_dir, src_dir) 72 return 0 73 74 75 def main(): 76 if len(sys.argv) < 2: 77 print >>sys.stderr, 'Usage: copy_cdb_to_output.py <output_dir> ' + \ 78 '<target_arch>' 79 return 1 80 return _CopyCDBToOutput(sys.argv[1], sys.argv[2]) 81 82 83 if __name__ == '__main__': 84 sys.exit(main()) 85
