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#!/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)
if ext in extensions:
yield file, ext
def generate_object_files(clang_bin):
print '\n[ building object 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)
run_command([
clang_bin, src_path, '-o', obj_path,
'--target=wasm32-unknown-unknown-wasm',
'-c',
'-nostdinc',
'-Xclang', '-nobuiltininc',
'-Xclang', '-nostdsysteminc',
'-Xclang', '-I/s/work/emscripten/system/include',
'-O1',
])
def generate_wast_files(lld_bin):
print '\n[ linking wasm files from object files... ]\n'
lld_path = os.path.join(shared.options.binaryen_test, 'lld')
for obj_file, ext in files_with_extensions(lld_path, ['.o']):
print '..', obj_file
wasm_file = obj_file.replace(ext, '.wasm')
wast_file = obj_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)
run_command([
lld_bin, '-flavor', 'wasm',
'-z', '-stack-size=1048576',
obj_path, '-o', wasm_path,
'--entry=main',
'--allow-undefined',
'--export', '__wasm_call_ctors',
])
try:
run_command(shared.WASM_DIS + [wasm_path, '-o', wast_path])
finally:
# Don't need the .wasm file, don't leave it around
shared.delete_from_orbit(wasm_path)
if __name__ == '__main__':
if len(sys.argv) != 3:
print 'Usage: generate_lld_tests.py [path/to/clang] [path/to/lld]'
sys.exit(1)
generate_object_files(sys.argv[1])
generate_wast_files(sys.argv[2])
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