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1 #!/usr/bin/env python | 1 #!/usr/bin/env python |
2 # | 2 # |
3 # Copyright 2014 The Chromium Authors. All rights reserved. | 3 # Copyright 2014 The Chromium Authors. All rights reserved. |
4 # Use of this source code is governed by a BSD-style license that can be | 4 # Use of this source code is governed by a BSD-style license that can be |
5 # found in the LICENSE file. | 5 # found in the LICENSE file. |
6 | 6 |
7 """Pack ARM relative relocations in a library (or copy unchanged). | 7 """Pack ARM relative relocations in a library (or copy unchanged). |
8 | 8 |
9 If --enable-packing and --configuration-name=='Release', invoke the | 9 If --enable-packing and --configuration-name=='Release', invoke the |
10 relocation_packer tool to pack the .rel.dyn section in the given library | 10 relocation_packer tool to pack the .rel.dyn section in the given library |
11 files. This step is inserted after the libraries are stripped. Packing | 11 files. This step is inserted after the libraries are stripped. Packing |
12 adds a new .android.rel.dyn section to the file and reduces the size of | 12 adds a new .android.rel.dyn section to the file and reduces the size of |
13 .rel.dyn accordingly. | 13 .rel.dyn accordingly. |
14 | 14 |
15 Currently packing only understands ARM32 shared libraries. For all other | 15 Currently packing only understands ARM32 shared libraries. For all other |
16 architectures --enable-packing should be set to zero. In this case the | 16 architectures --enable-packing should be set to zero. In this case the |
17 script copies files verbatim, with no attempt to pack relative relocations. | 17 script copies files verbatim, with no attempt to pack relative relocations. |
18 | 18 |
19 Any library listed in --exclude-packing-list is also copied verbatim, | 19 Any library listed in --exclude-packing-list is also copied verbatim, |
20 irrespective of any --enable-packing setting. Typically this would be | 20 irrespective of any --enable-packing setting. Typically this would be |
21 'libchromium_android_linker.so'. | 21 'libchromium_android_linker.so'. |
22 """ | 22 """ |
23 | 23 |
24 import json | |
25 import optparse | 24 import optparse |
26 import os | 25 import os |
27 import shlex | 26 import shlex |
28 import shutil | 27 import shutil |
29 import sys | 28 import sys |
30 import tempfile | 29 import tempfile |
31 | 30 |
32 from util import build_utils | 31 from util import build_utils |
33 | 32 |
34 def PackArmLibraryRelocations(android_pack_relocations, | 33 def PackArmLibraryRelocations(android_pack_relocations, |
(...skipping 17 matching lines...) Expand all Loading... |
52 build_utils.CheckOutput(pack_command) | 51 build_utils.CheckOutput(pack_command) |
53 | 52 |
54 | 53 |
55 def CopyArmLibraryUnchanged(library_path, output_path): | 54 def CopyArmLibraryUnchanged(library_path, output_path): |
56 if not build_utils.IsTimeStale(output_path, [library_path]): | 55 if not build_utils.IsTimeStale(output_path, [library_path]): |
57 return | 56 return |
58 | 57 |
59 shutil.copy(library_path, output_path) | 58 shutil.copy(library_path, output_path) |
60 | 59 |
61 | 60 |
62 def main(): | 61 def main(args): |
| 62 args = build_utils.ExpandFileArgs(args) |
63 parser = optparse.OptionParser() | 63 parser = optparse.OptionParser() |
64 | 64 |
65 parser.add_option('--configuration-name', | 65 parser.add_option('--configuration-name', |
66 default='Release', | 66 default='Release', |
67 help='Gyp configuration name (i.e. Debug, Release)') | 67 help='Gyp configuration name (i.e. Debug, Release)') |
68 parser.add_option('--enable-packing', | 68 parser.add_option('--enable-packing', |
69 choices=['0', '1'], | 69 choices=['0', '1'], |
70 help=('Pack relocations if 1 and configuration name is \'Release\',' | 70 help=('Pack relocations if 1 and configuration name is \'Release\',' |
71 ' otherwise plain file copy')) | 71 ' otherwise plain file copy')) |
72 parser.add_option('--exclude-packing-list', | 72 parser.add_option('--exclude-packing-list', |
73 default='', | 73 default='', |
74 help='Names of any libraries explicitly not packed') | 74 help='Names of any libraries explicitly not packed') |
75 parser.add_option('--android-pack-relocations', | 75 parser.add_option('--android-pack-relocations', |
76 help='Path to the ARM relocations packer binary') | 76 help='Path to the ARM relocations packer binary') |
77 parser.add_option('--android-objcopy', | 77 parser.add_option('--android-objcopy', |
78 help='Path to the toolchain\'s objcopy binary') | 78 help='Path to the toolchain\'s objcopy binary') |
79 parser.add_option('--stripped-libraries-dir', | 79 parser.add_option('--stripped-libraries-dir', |
80 help='Directory for stripped libraries') | 80 help='Directory for stripped libraries') |
81 parser.add_option('--packed-libraries-dir', | 81 parser.add_option('--packed-libraries-dir', |
82 help='Directory for packed libraries') | 82 help='Directory for packed libraries') |
83 parser.add_option('--libraries-file', | 83 parser.add_option('--libraries', |
84 help='Path to json file containing list of libraries') | 84 help='List of libraries') |
85 parser.add_option('--stamp', help='Path to touch on success') | 85 parser.add_option('--stamp', help='Path to touch on success') |
86 | 86 |
87 options, _ = parser.parse_args() | 87 options, _ = parser.parse_args(args) |
88 enable_packing = (options.enable_packing == '1' and | 88 enable_packing = (options.enable_packing == '1' and |
89 options.configuration_name == 'Release') | 89 options.configuration_name == 'Release') |
90 exclude_packing_set = set(shlex.split(options.exclude_packing_list)) | 90 exclude_packing_set = set(shlex.split(options.exclude_packing_list)) |
91 | 91 |
92 with open(options.libraries_file, 'r') as libfile: | 92 libraries = build_utils.ParseGypList(options.libraries) |
93 libraries = json.load(libfile) | |
94 | 93 |
95 build_utils.MakeDirectory(options.packed_libraries_dir) | 94 build_utils.MakeDirectory(options.packed_libraries_dir) |
96 | 95 |
97 for library in libraries: | 96 for library in libraries: |
98 library_path = os.path.join(options.stripped_libraries_dir, library) | 97 library_path = os.path.join(options.stripped_libraries_dir, library) |
99 output_path = os.path.join(options.packed_libraries_dir, library) | 98 output_path = os.path.join(options.packed_libraries_dir, library) |
100 | 99 |
101 if enable_packing and library not in exclude_packing_set: | 100 if enable_packing and library not in exclude_packing_set: |
102 PackArmLibraryRelocations(options.android_pack_relocations, | 101 PackArmLibraryRelocations(options.android_pack_relocations, |
103 options.android_objcopy, | 102 options.android_objcopy, |
104 library_path, | 103 library_path, |
105 output_path) | 104 output_path) |
106 else: | 105 else: |
107 CopyArmLibraryUnchanged(library_path, output_path) | 106 CopyArmLibraryUnchanged(library_path, output_path) |
108 | 107 |
109 if options.stamp: | 108 if options.stamp: |
110 build_utils.Touch(options.stamp) | 109 build_utils.Touch(options.stamp) |
111 | 110 |
112 return 0 | 111 return 0 |
113 | 112 |
114 | 113 |
115 if __name__ == '__main__': | 114 if __name__ == '__main__': |
116 sys.exit(main()) | 115 sys.exit(main(sys.argv[1:])) |
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