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1 #!/usr/bin/env python2 | 1 #!/usr/bin/env python2 |
2 | 2 |
3 import argparse | 3 import argparse |
4 import os | 4 import os |
5 import sys | |
6 import tempfile | 5 import tempfile |
7 from utils import shellcmd | 6 from utils import shellcmd |
| 7 from utils import FindBaseNaCl |
8 | 8 |
9 if __name__ == '__main__': | 9 if __name__ == '__main__': |
10 argparser = argparse.ArgumentParser() | 10 argparser = argparse.ArgumentParser() |
11 argparser.add_argument('cfile', nargs='+', type=str, | 11 argparser.add_argument('cfile', nargs='+', type=str, |
12 help='C file(s) to convert') | 12 help='C file(s) to convert') |
13 argparser.add_argument('--nacl_sdk_root', nargs='?', type=str, | |
14 help='Path to NACL_SDK_ROOT') | |
15 argparser.add_argument('--dir', nargs='?', type=str, default='.', | 13 argparser.add_argument('--dir', nargs='?', type=str, default='.', |
16 help='Output directory') | 14 help='Output directory') |
17 argparser.add_argument('--disable-verify', action='store_true') | 15 argparser.add_argument('--disable-verify', action='store_true') |
18 args = argparser.parse_args() | 16 args = argparser.parse_args() |
19 | 17 |
20 nacl_sdk_root = os.environ.get('NACL_SDK_ROOT', None) | 18 nacl_root = FindBaseNaCl() |
21 if args.nacl_sdk_root: | 19 # Prepend bin to $PATH. |
22 nacl_sdk_root = os.path.expanduser(args.nacl_sdk_root) | 20 os.environ['PATH'] = ( |
23 | 21 nacl_root + '/toolchain/linux_x86/pnacl_newlib/bin' + os.pathsep + |
24 if not nacl_sdk_root or not os.path.exists(nacl_sdk_root): | 22 os.pathsep + os.environ['PATH']) |
25 print '''\ | |
26 Please set the NACL_SDK_ROOT environment variable or pass the path through | |
27 --nacl_sdk_root to point to a valid Native Client SDK installation.''' | |
28 sys.exit(1) | |
29 | |
30 includes_path = os.path.join(nacl_sdk_root, 'include') | |
31 toolchain_path = os.path.join(nacl_sdk_root, 'toolchain', 'linux_pnacl') | |
32 clang_path = os.path.join(toolchain_path, 'bin64', 'pnacl-clang') | |
33 opt_path = os.path.join(toolchain_path, 'host_x86_64', 'bin', 'opt') | |
34 | 23 |
35 tempdir = tempfile.mkdtemp() | 24 tempdir = tempfile.mkdtemp() |
36 | 25 |
37 for cname in args.cfile: | 26 for cname in args.cfile: |
38 basename = os.path.splitext(cname)[0] | 27 basename = os.path.splitext(cname)[0] |
39 llname = os.path.join(tempdir, basename + '.ll') | 28 llname = os.path.join(tempdir, basename + '.ll') |
40 pnaclname = basename + '.pnacl.ll' | 29 pnaclname = basename + '.pnacl.ll' |
41 pnaclname = os.path.join(args.dir, pnaclname) | 30 pnaclname = os.path.join(args.dir, pnaclname) |
42 | 31 |
43 shellcmd(clang_path + ' -O2 -I{0} -c {1} -o {2}'.format( | 32 shellcmd('pnacl-clang -O2 -c {0} -o {1}'.format(cname, llname)) |
44 includes_path, cname, llname)) | 33 shellcmd('pnacl-opt ' + |
45 shellcmd(opt_path + | 34 '-pnacl-abi-simplify-preopt -pnacl-abi-simplify-postopt' + |
46 ' -pnacl-abi-simplify-preopt -pnacl-abi-simplify-postopt' + | 35 ('' if args.disable_verify else |
47 ('' if args.disable_verify else | 36 ' -verify-pnaclabi-module -verify-pnaclabi-functions') + |
48 ' -verify-pnaclabi-module -verify-pnaclabi-functions') + | 37 ' -pnaclabi-allow-debug-metadata' |
49 ' -pnaclabi-allow-debug-metadata -disable-simplify-libcalls' | 38 ' {0} -S -o {1}'.format(llname, pnaclname)) |
50 ' {0} -S -o {1}'.format(llname, pnaclname)) | |
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