1#!/usr/bin/env python 2# 3# Copyright 2013 the V8 project authors. All rights reserved. 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: 7# 8# * Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# * Redistributions in binary form must reproduce the above 11# copyright notice, this list of conditions and the following 12# disclaimer in the documentation and/or other materials provided 13# with the distribution. 14# * Neither the name of Google Inc. nor the names of its 15# contributors may be used to endorse or promote products derived 16# from this software without specific prior written permission. 17# 18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30# This script executes the passed command line using the Native Client 31# 'sel_ldr' container. It is derived from android-run.py. 32 33import os 34from os.path import join, dirname, abspath 35import subprocess 36import sys 37import tempfile 38 39def Check(output, errors): 40 failed = any([s.startswith('/system/bin/sh:') or s.startswith('ANDROID') 41 for s in output.split('\n')]) 42 return 1 if failed else 0 43 44def Execute(cmdline): 45 (fd_out, outname) = tempfile.mkstemp() 46 (fd_err, errname) = tempfile.mkstemp() 47 process = subprocess.Popen( 48 args=cmdline, 49 shell=True, 50 stdout=fd_out, 51 stderr=fd_err, 52 ) 53 exit_code = process.wait() 54 os.close(fd_out) 55 os.close(fd_err) 56 output = file(outname).read() 57 errors = file(errname).read() 58 os.unlink(outname) 59 os.unlink(errname) 60 sys.stdout.write(output) 61 sys.stderr.write(errors) 62 return exit_code or Check(output, errors) 63 64def Escape(arg): 65 def ShouldEscape(): 66 for x in arg: 67 if not x.isalnum() and x != '-' and x != '_': 68 return True 69 return False 70 71 return arg if not ShouldEscape() else '"%s"' % (arg.replace('"', '\\"')) 72 73def WriteToTemporaryFile(data): 74 (fd, fname) = tempfile.mkstemp() 75 os.close(fd) 76 tmp_file = open(fname, "w") 77 tmp_file.write(data) 78 tmp_file.close() 79 return fname 80 81def GetNaClArchFromNexe(nexe): 82 try: 83 p = subprocess.Popen(['file', nexe], stdout=subprocess.PIPE) 84 out, err = p.communicate() 85 lines = out.split('\n') 86 if lines[0].find(": ELF 32-bit LSB executable, Intel 80386") > 0: 87 return "x86_32" 88 if lines[0].find(": ELF 64-bit LSB executable, x86-64") > 0: 89 return "x86_64" 90 except: 91 print 'file ' + sys.argv[1] + ' failed' 92 return None 93 94def GetNaClResources(nexe): 95 nacl_sdk_dir = os.environ["NACL_SDK_ROOT"] 96 nacl_arch = GetNaClArchFromNexe(nexe) 97 if sys.platform.startswith("linux"): 98 platform = "linux" 99 elif sys.platform == "darwin": 100 platform = "mac" 101 else: 102 print("NaCl V8 testing is supported on Linux and MacOS only.") 103 sys.exit(1) 104 105 if nacl_arch is "x86_64": 106 toolchain = platform + "_x86_glibc" 107 sel_ldr = "sel_ldr_x86_64" 108 irt = "irt_core_x86_64.nexe" 109 libdir = "lib64" 110 elif nacl_arch is "x86_32": 111 toolchain = platform + "_x86_glibc" 112 sel_ldr = "sel_ldr_x86_32" 113 irt = "irt_core_x86_32.nexe" 114 libdir = "lib32" 115 elif nacl_arch is "arm": 116 print("NaCl V8 ARM support is not ready yet.") 117 sys.exit(1) 118 else: 119 print("Invalid nexe %s" % nexe) 120 sys.exit(1) 121 122 nacl_sel_ldr = os.path.join(nacl_sdk_dir, "tools", sel_ldr) 123 nacl_irt = os.path.join(nacl_sdk_dir, "tools", irt) 124 nacl_ld_so = os.path.join(nacl_sdk_dir, "toolchain", toolchain, 125 "x86_64-nacl", libdir, "runnable-ld.so") 126 nacl_lib_path = os.path.join(nacl_sdk_dir, "toolchain", toolchain, 127 "x86_64-nacl", libdir) 128 129 return (nacl_sdk_dir, nacl_sel_ldr, nacl_irt, nacl_ld_so, nacl_lib_path) 130 131def Main(): 132 if (len(sys.argv) == 1): 133 print("Usage: %s <command-to-run-on-device>" % sys.argv[0]) 134 return 1 135 136 args = [Escape(arg) for arg in sys.argv[1:]] 137 138 (nacl_sdk_dir, nacl_sel_ldr, nacl_irt, nacl_ld_so, 139 nacl_lib_path) = GetNaClResources(sys.argv[1]) 140 141 # sel_ldr Options: 142 # -c -c: disable validation (for performance) 143 # -a: allow file access 144 # -B <irt>: load the IRT 145 command = ' '.join([nacl_sel_ldr, '-c', '-c', '-a', '-B', nacl_irt, '--', 146 nacl_ld_so, '--library-path', nacl_lib_path] + args) 147 error_code = Execute(command) 148 return error_code 149 150if __name__ == '__main__': 151 sys.exit(Main()) 152