diff options
Diffstat (limited to 'deprecated/verify_compiler.py')
| -rwxr-xr-x | deprecated/verify_compiler.py | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/deprecated/verify_compiler.py b/deprecated/verify_compiler.py deleted file mode 100755 index b70c1257..00000000 --- a/deprecated/verify_compiler.py +++ /dev/null @@ -1,233 +0,0 @@ -#!/usr/bin/env python2 -"""Verify that a ChromeOS sub-tree was built with a particular compiler""" - -from __future__ import print_function - -import argparse -import fnmatch -import os -import sys - -from cros_utils import command_executer - -COMPILERS = ['gcc', 'clang'] - -COMPILER_STRINGS = {'gcc': 'GNU C', 'clang': 'clang version'} - -ERR_NO_DEBUG_INFO = 1024 - - -def UsageError(parser, message): - """Output error message and help/usage info.""" - - print('ERROR: %s' % message) - parser.print_help() - sys.exit(0) - - -def CreateTmpDwarfFile(filename, dwarf_file, cmd_executer): - """Create temporary dwarfdump file, to be parsed later.""" - - cmd = ('readelf --debug-dump=info %s | grep -A5 DW_AT_producer > %s' % - (filename, dwarf_file)) - retval = cmd_executer.RunCommand(cmd, print_to_console=False) - return retval - - -def FindAllFiles(root_dir): - """Create a list of all the *.debug and *.dwp files to be checked.""" - - file_list = [] - tmp_list = [ - os.path.join(dirpath, f) - for dirpath, _, files in os.walk(root_dir) - for f in fnmatch.filter(files, '*.debug') - ] - for f in tmp_list: - if 'build-id' not in f: - file_list.append(f) - tmp_list = [ - os.path.join(dirpath, f) - for dirpath, _, files in os.walk(root_dir) - for f in fnmatch.filter(files, '*.dwp') - ] - file_list += tmp_list - return file_list - - -def VerifyArgs(compiler, filename, tmp_dir, root_dir, options, parser): - """Verify that the option values and combinations are valid.""" - - if options.filename and options.all_files: - UsageError(parser, 'Cannot use both --file and --all_files.') - if options.filename and options.root_dir: - UsageError(parser, 'Cannot use both --file and --root_dir.') - if options.all_files and not options.root_dir: - UsageError(parser, 'Missing --root_dir option.') - if options.root_dir and not options.all_files: - UsageError(parser, 'Missing --all_files option.') - if not options.filename and not options.all_files: - UsageError(parser, 'Must specify either --file or --all_files.') - - # Verify that the values specified are valid. - if filename: - if not os.path.exists(filename): - UsageError(parser, 'Cannot find %s' % filename) - compiler = options.compiler.lower() - if compiler not in COMPILERS: - UsageError(parser, '%s is not a valid compiler (gcc or clang).' % compiler) - if root_dir and not os.path.exists(root_dir): - UsageError(parser, '%s does not exist.' % root_dir) - if not os.path.exists(tmp_dir): - os.makedirs(tmp_dir) - - -def CheckFile(filename, compiler, tmp_dir, options, cmd_executer): - """Verify the information in a single file.""" - - print('Checking %s' % filename) - # Verify that file contains debug information. - cmd = 'readelf -SW %s | grep debug_info' % filename - retval = cmd_executer.RunCommand(cmd, print_to_console=False) - if retval != 0: - print('No debug info in this file. Unable to verify compiler.') - # There's no debug info in this file, so skip it. - return ERR_NO_DEBUG_INFO - - tmp_name = os.path.basename(filename) + '.dwarf' - dwarf_file = os.path.join(tmp_dir, tmp_name) - status = CreateTmpDwarfFile(filename, dwarf_file, cmd_executer) - - if status != 0: - print('Unable to create dwarf file for %s (status: %d).' % (filename, - status)) - return status - - comp_str = COMPILER_STRINGS[compiler] - - retval = 0 - with open(dwarf_file, 'r') as in_file: - lines = in_file.readlines() - looking_for_name = False - for line in lines: - if 'DW_AT_producer' in line: - looking_for_name = False - if 'GNU AS' in line: - continue - if comp_str not in line: - looking_for_name = True - retval = 1 - elif looking_for_name: - if 'DW_AT_name' in line: - words = line.split(':') - bad_file = words[-1] - print('FAIL: %s was not compiled with %s.' % (bad_file.rstrip(), - compiler)) - looking_for_name = False - elif 'DW_TAG_' in line: - looking_for_name = False - - if not options.keep_file: - os.remove(dwarf_file) - - return retval - - -def Main(argv): - - cmd_executer = command_executer.GetCommandExecuter() - parser = argparse.ArgumentParser() - parser.add_argument( - '--file', dest='filename', help='Name of file to be verified.') - parser.add_argument( - '--compiler', - dest='compiler', - required=True, - help='Desired compiler (gcc or clang)') - parser.add_argument( - '--tmp_dir', - dest='tmp_dir', - help='Directory in which to put dwarf dump file.' - ' Defaults to /tmp') - parser.add_argument( - '--keep_file', - dest='keep_file', - default=False, - action='store_true', - help='Do not delete dwarf file when done.') - parser.add_argument( - '--all_files', - dest='all_files', - default=False, - action='store_true', - help='Find and check ALL .debug/.dwp files ' - 'in subtree. Must be used with --root_dir ' - '(and NOT with --file).') - parser.add_argument( - '--root_dir', - dest='root_dir', - help='Root of subtree in which to look for ' - 'files. Must be used with --all_files, and' - ' not with --file.') - - options = parser.parse_args(argv) - - compiler = options.compiler - filename = None - if options.filename: - filename = os.path.realpath(os.path.expanduser(options.filename)) - tmp_dir = '/tmp' - if options.tmp_dir: - tmp_dir = os.path.realpath(os.path.expanduser(options.tmp_dir)) - root_dir = None - if options.root_dir: - root_dir = os.path.realpath(os.path.expanduser(options.root_dir)) - - VerifyArgs(compiler, filename, tmp_dir, root_dir, options, parser) - - file_list = [] - if filename: - file_list.append(filename) - else: - file_list = FindAllFiles(root_dir) - - bad_files = [] - unknown_files = [] - all_pass = True - for f in file_list: - result = CheckFile(f, compiler, tmp_dir, options, cmd_executer) - if result == ERR_NO_DEBUG_INFO: - unknown_files.append(f) - all_pass = False - elif result != 0: - bad_files.append(f) - all_pass = False - - if all_pass: - print('\n\nSUCCESS: All compilation units were compiled with %s.\n' % - compiler) - return 0 - else: - if len(bad_files) == 0: - print( - '\n\n*Mostly* SUCCESS: All files that could be checked were compiled ' - 'with %s.' % compiler) - print( - '\n\nUnable to verify the following files (no debug info in them):\n') - for f in unknown_files: - print(f) - else: - print('\n\nFAILED: The following files were not compiled with %s:\n' % - compiler) - for f in bad_files: - print(f) - if len(unknown_files) > 0: - print('\n\nUnable to verify the following files (no debug info in ' - 'them):\n') - for f in unknown_files: - print(f) - return 1 - - -if __name__ == '__main__': - sys.exit(Main(sys.argv[1:])) |