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
|
#!/usr/bin/env python
#
# Copyright 2016 WebAssembly Community Group participants
#
# 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.
#
import argparse
import json
import os
import sys
import tempfile
from collections import OrderedDict
import find_exe
import utils
def main(args):
parser = argparse.ArgumentParser()
parser.add_argument('-v', '--verbose', help='print more diagnotic messages.',
action='store_true')
parser.add_argument('-r', '--relocatable', action='store_true',
help='final output is relocatable')
parser.add_argument('-o', '--out-dir', metavar='PATH',
help='output directory for files.')
parser.add_argument('--bindir', metavar='PATH',
default=find_exe.GetDefaultPath(),
help='directory to search for all executables.')
parser.add_argument('--no-error-cmdline',
help='don\'t display the subprocess\'s commandline when'
+ ' an error occurs', dest='error_cmdline',
action='store_false')
parser.add_argument('-p', '--print-cmd',
help='print the commands that are run.',
action='store_true')
parser.add_argument('--incremental', help='incremenatly link one object at' +
' a time to produce the final linked binary.',
action='store_true')
parser.add_argument('--debug-names', action='store_true')
parser.add_argument('--dump-verbose', action='store_true')
parser.add_argument('--spec', action='store_true')
parser.add_argument('file', help='test file.')
options = parser.parse_args(args)
wast2wasm = utils.Executable(
find_exe.GetWast2WasmExecutable(options.bindir),
error_cmdline=options.error_cmdline)
wast2wasm.AppendOptionalArgs({
'--debug-names': options.debug_names,
'-v': options.dump_verbose,
})
wasm_link = utils.Executable(
find_exe.GetWasmlinkExecutable(options.bindir),
error_cmdline=options.error_cmdline)
wasm_link.AppendOptionalArgs({
'-v': options.verbose,
'-r': options.relocatable,
})
wasmdump = utils.Executable(
find_exe.GetWasmdumpExecutable(options.bindir),
error_cmdline=options.error_cmdline)
wasm_interp = utils.Executable(find_exe.GetWasmInterpExecutable(
options.bindir), error_cmdline=options.error_cmdline)
wast2wasm.verbose = options.print_cmd
wasm_link.verbose = options.print_cmd
wasmdump.verbose = options.print_cmd
wasm_interp.verbose = options.print_cmd
filename = options.file
with utils.TempDirectory(options.out_dir, 'wasm-link-') as out_dir:
basename = os.path.basename(filename)
basename_noext = os.path.splitext(basename)[0]
out_file = os.path.join(out_dir, basename_noext + '.json')
wast2wasm.RunWithArgs('--spec', '--debug-names', '--no-check', '-r', '-o',
out_file, filename)
wasm_files = utils.GetModuleFilenamesFromSpecJSON(out_file)
wasm_files = [utils.ChangeDir(f, out_dir) for f in wasm_files]
output = os.path.join(out_dir, 'linked.wasm')
if options.incremental:
partially_linked = output + '.partial'
for i, f in enumerate(wasm_files):
if i == 0:
wasm_link.RunWithArgs('-o', output, f)
else:
if os.path.exists(partially_linked):
os.remove(partially_linked)
os.rename(output, partially_linked)
wasm_link.RunWithArgs('-r', '-o', output, partially_linked, f)
#wasmdump.RunWithArgs('-d', '-h', output)
wasmdump.RunWithArgs('-d', '-x', '-r', '-h', output)
else:
wasm_link.RunWithArgs('-o', output, *wasm_files)
wasmdump.RunWithArgs('-d', '-x', '-r', '-h', output)
if options.spec:
with open(out_file) as json_file:
spec = json.load(json_file, object_pairs_hook=OrderedDict)
spec['commands'] = [c for c in spec['commands']
if c['type'] != 'module']
module = OrderedDict([('type', 'module'),
('line', 0),
('filename', os.path.basename(output)),])
spec['commands'].insert(0, module)
with open(out_file, 'wb') as json_file:
json.dump(spec, json_file, indent=4)
wasm_interp.RunWithArgs('--spec', out_file)
if __name__ == '__main__':
try:
sys.exit(main(sys.argv[1:]))
except utils.Error as e:
sys.stderr.write(str(e) + '\n')
sys.exit(1)
|
