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
|
#!/usr/bin/env python
#
# Copyright 2017 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 os
import sys
from support import run_command
import shared
def files_with_extensions(path, extensions):
for file in sorted(os.listdir(path)):
ext = os.path.splitext(file)[1]
if ext in extensions:
yield file, ext
def generate_wast_files(llvm_bin, emscripten_root):
print '\n[ building wast files from C sources... ]\n'
lld_path = os.path.join(shared.options.binaryen_test, 'lld')
for src_file, ext in files_with_extensions(lld_path, ['.c', '.cpp']):
print '..', src_file
obj_file = src_file.replace(ext, '.o')
src_path = os.path.join(lld_path, src_file)
obj_path = os.path.join(lld_path, obj_file)
wasm_file = src_file.replace(ext, '.wasm')
wast_file = src_file.replace(ext, '.wast')
obj_path = os.path.join(lld_path, obj_file)
wasm_path = os.path.join(lld_path, wasm_file)
wast_path = os.path.join(lld_path, wast_file)
is_shared = 'shared' in src_file
compile_cmd = [
os.path.join(llvm_bin, 'clang'), src_path, '-o', obj_path,
'--target=wasm32-unknown-unknown-wasm',
'-c',
'-nostdinc',
'-Xclang', '-nobuiltininc',
'-Xclang', '-nostdsysteminc',
'-Xclang', '-I%s/system/include' % emscripten_root,
'-O1',
]
link_cmd = [
os.path.join(llvm_bin, 'wasm-ld'), '-flavor', 'wasm',
'-z', '-stack-size=1048576',
obj_path, '-o', wasm_path,
'--entry=main',
'--allow-undefined',
'--export', '__wasm_call_ctors',
'--global-base=568',
]
if is_shared:
compile_cmd.append('-fPIC')
compile_cmd.append('-fvisibility=default')
link_cmd.append('-shared')
try:
run_command(compile_cmd)
run_command(link_cmd)
run_command(shared.WASM_DIS + [wasm_path, '-o', wast_path])
finally:
# Don't need the .o or .wasm files, don't leave them around
shared.delete_from_orbit(obj_path)
shared.delete_from_orbit(wasm_path)
if __name__ == '__main__':
if len(shared.options.positional_args) != 2:
print 'Usage: generate_lld_tests.py [llvm/bin/dir] [path/to/emscripten]'
sys.exit(1)
generate_wast_files(*shared.options.positional_args)
|
