BaseTools: Add ConvertMasmToNasm.py script
This script is intended to assist with MASM to NASM syntax conversions. The output should be manually inspected and adjusted as needed, since this script does not provide a perfect conversion. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Acked-by: Yingke D Liu <yingke.d.liu@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16285 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Jordan Justen
jljusten
986
BaseTools/Scripts/ConvertMasmToNasm.py
Executable file
986
BaseTools/Scripts/ConvertMasmToNasm.py
Executable file
@@ -0,0 +1,986 @@
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# @file ConvertMasmToNasm.py
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# This script assists with conversion of MASM assembly syntax to NASM
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#
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# Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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#
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# Import Modules
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#
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import os.path
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import re
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import StringIO
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import subprocess
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import sys
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from optparse import OptionParser
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class UnsupportedConversion(Exception):
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pass
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class NoSourceFile(Exception):
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pass
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class UnsupportedArch(Exception):
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unsupported = ('aarch64', 'arm', 'ebc', 'ipf')
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class CommonUtils:
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# Version and Copyright
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VersionNumber = "0.01"
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__version__ = "%prog Version " + VersionNumber
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__copyright__ = "Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved."
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__usage__ = "%prog [options] source.asm [destination.nasm]"
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def __init__(self, clone=None):
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if clone is None:
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(self.Opt, self.Args) = self.ProcessCommandLine()
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else:
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(self.Opt, self.Args) = (clone.Opt, clone.Args)
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self.unsupportedSyntaxSeen = False
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self.src = self.Args[0]
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assert(os.path.exists(self.src))
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self.dirmode = os.path.isdir(self.src)
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srcExt = os.path.splitext(self.src)[1]
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assert (self.dirmode or srcExt != '.nasm')
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self.infmode = not self.dirmode and srcExt == '.inf'
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self.diff = self.Opt.diff
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self.git = self.Opt.git
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self.force = self.Opt.force
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if clone is None:
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self.rootdir = os.getcwd()
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self.DetectGit()
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else:
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self.rootdir = clone.rootdir
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self.gitdir = clone.gitdir
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self.gitemail = clone.gitemail
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def ProcessCommandLine(self):
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Parser = OptionParser(description=self.__copyright__,
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version=self.__version__,
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prog=sys.argv[0],
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usage=self.__usage__
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)
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Parser.add_option("-q", "--quiet", action="store_true", type=None,
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help="Disable all messages except FATAL ERRORS.")
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Parser.add_option("--git", action="store_true", type=None,
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help="Use git to create commits for each file converted")
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Parser.add_option("--diff", action="store_true", type=None,
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help="Show diff of conversion")
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Parser.add_option("-f", "--force", action="store_true", type=None,
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help="Force conversion even if unsupported")
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(Opt, Args) = Parser.parse_args()
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if not Opt.quiet:
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print self.__copyright__
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Parser.print_version()
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return (Opt, Args)
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def RootRelative(self, path):
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result = path
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if result.startswith(self.rootdir):
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result = result[len(self.rootdir):]
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while len(result) > 0 and result[0] in '/\\':
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result = result[1:]
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return result
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def MatchAndSetMo(self, regexp, string):
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self.mo = regexp.match(string)
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return self.mo is not None
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def SearchAndSetMo(self, regexp, string):
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self.mo = regexp.search(string)
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return self.mo is not None
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def ReplacePreserveSpacing(self, string, find, replace):
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if len(find) >= len(replace):
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padded = replace + (' ' * (len(find) - len(replace)))
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return string.replace(find, padded)
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elif find.find(replace) >= 0:
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return string.replace(find, replace)
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else:
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lenDiff = len(replace) - len(find)
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result = string
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for i in range(lenDiff, -1, -1):
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padded = find + (' ' * i)
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result = result.replace(padded, replace)
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return result
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def DetectGit(self):
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lastpath = os.path.realpath(self.src)
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self.gitdir = None
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while True:
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path = os.path.split(lastpath)[0]
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if path == lastpath:
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return
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candidate = os.path.join(path, '.git')
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if os.path.isdir(candidate):
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self.gitdir = candidate
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self.gitemail = self.FormatGitEmailAddress()
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return
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lastpath = path
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def FormatGitEmailAddress(self):
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if not self.git or not self.gitdir:
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return ''
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cmd = ('git', 'config', 'user.name')
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name = self.RunAndCaptureOutput(cmd).strip()
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cmd = ('git', 'config', 'user.email')
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email = self.RunAndCaptureOutput(cmd).strip()
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if name.find(',') >= 0:
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name = '"' + name + '"'
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return name + ' <' + email + '>'
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def RunAndCaptureOutput(self, cmd, checkExitCode=True, pipeIn=None):
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if pipeIn:
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subpStdin = subprocess.PIPE
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else:
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subpStdin = None
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p = subprocess.Popen(args=cmd, stdout=subprocess.PIPE, stdin=subpStdin)
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(stdout, stderr) = p.communicate(pipeIn)
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if checkExitCode:
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if p.returncode != 0:
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print 'command:', ' '.join(cmd)
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print 'stdout:', stdout
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print 'stderr:', stderr
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print 'return:', p.returncode
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assert p.returncode == 0
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return stdout
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def FileUpdated(self, path):
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if not self.git or not self.gitdir:
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return
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cmd = ('git', 'add', path)
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self.RunAndCaptureOutput(cmd)
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def FileAdded(self, path):
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self.FileUpdated(path)
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def RemoveFile(self, path):
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if not self.git or not self.gitdir:
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return
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cmd = ('git', 'rm', path)
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self.RunAndCaptureOutput(cmd)
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def FileConversionFinished(self, pkg, module, src, dst):
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if not self.git or not self.gitdir:
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return
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if not self.Opt.quiet:
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print 'Committing: Conversion of', dst
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prefix = ' '.join(filter(lambda a: a, [pkg, module]))
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message = ''
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if self.unsupportedSyntaxSeen:
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message += 'ERROR! '
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message += '%s: Convert %s to NASM\n' % (prefix, src)
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message += '\n'
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message += 'The %s script was used to convert\n' % sys.argv[0]
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message += '%s to %s\n' % (src, dst)
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message += '\n'
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message += 'Contributed-under: TianoCore Contribution Agreement 1.0\n'
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message += 'Signed-off-by: %s\n' % self.gitemail
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cmd = ('git', 'commit', '-F', '-')
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self.RunAndCaptureOutput(cmd, pipeIn=message)
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class ConvertAsmFile(CommonUtils):
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def __init__(self, src, dst, clone):
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CommonUtils.__init__(self, clone)
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self.ConvertAsmFile(src, dst)
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self.FileAdded(dst)
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self.RemoveFile(src)
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def ConvertAsmFile(self, inputFile, outputFile=None):
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self.globals = set()
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self.unsupportedSyntaxSeen = False
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self.inputFilename = inputFile
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if not outputFile:
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outputFile = os.path.splitext(inputFile)[0] + '.nasm'
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self.outputFilename = outputFile
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fullSrc = os.path.realpath(inputFile)
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srcParentDir = os.path.basename(os.path.split(fullSrc)[0])
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maybeArch = srcParentDir.lower()
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if maybeArch in UnsupportedArch.unsupported:
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raise UnsupportedArch
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self.ia32 = maybeArch == 'ia32'
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self.x64 = maybeArch == 'x64'
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self.inputFileBase = os.path.basename(self.inputFilename)
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self.outputFileBase = os.path.basename(self.outputFilename)
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if self.outputFilename == '-' and not self.diff:
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self.output = sys.stdout
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else:
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self.output = StringIO.StringIO()
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if not self.Opt.quiet:
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dirpath, src = os.path.split(self.inputFilename)
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dirpath = self.RootRelative(dirpath)
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dst = os.path.basename(self.outputFilename)
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print 'Converting:', dirpath, src, '->', dst
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lines = open(self.inputFilename).readlines()
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self.Convert(lines)
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if self.outputFilename == '-':
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if self.diff:
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sys.stdout.write(self.output.getvalue())
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self.output.close()
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else:
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f = open(self.outputFilename, 'wb')
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f.write(self.output.getvalue())
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f.close()
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self.output.close()
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endOfLineRe = re.compile(r'''
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\s* ( ; .* )? \n $
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''',
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re.VERBOSE | re.MULTILINE
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)
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begOfLineRe = re.compile(r'''
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\s*
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''',
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re.VERBOSE
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)
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def Convert(self, lines):
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self.proc = None
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self.anonLabelCount = -1
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output = self.output
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self.oldAsmEmptyLineCount = 0
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self.newAsmEmptyLineCount = 0
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for line in lines:
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mo = self.begOfLineRe.search(line)
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assert mo is not None
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self.indent = mo.group()
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lineWithoutBeginning = line[len(self.indent):]
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mo = self.endOfLineRe.search(lineWithoutBeginning)
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if mo is None:
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endOfLine = ''
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else:
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endOfLine = mo.group()
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oldAsm = line[len(self.indent):len(line) - len(endOfLine)]
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self.originalLine = line.rstrip()
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if line.strip() == '':
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self.oldAsmEmptyLineCount += 1
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self.TranslateAsm(oldAsm, endOfLine)
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if line.strip() != '':
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self.oldAsmEmptyLineCount = 0
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procDeclRe = re.compile(r'''
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([\w@][\w@0-9]*) \s+
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PROC
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(?: \s+ NEAR | FAR )?
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(?: \s+ C )?
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(?: \s+ (PUBLIC | PRIVATE) )?
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(?: \s+ USES ( (?: \s+ \w[\w0-9]* )+ ) )?
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\s* $
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''',
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re.VERBOSE | re.IGNORECASE
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)
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procEndRe = re.compile(r'''
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([\w@][\w@0-9]*) \s+
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ENDP
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\s* $
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''',
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re.VERBOSE | re.IGNORECASE
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)
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varAndTypeSubRe = r' (?: [\w@][\w@0-9]* ) (?: \s* : \s* \w+ )? '
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publicRe = re.compile(r'''
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PUBLIC \s+
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( %s (?: \s* , \s* %s )* )
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\s* $
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''' % (varAndTypeSubRe, varAndTypeSubRe),
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re.VERBOSE | re.IGNORECASE
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)
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varAndTypeSubRe = re.compile(varAndTypeSubRe, re.VERBOSE | re.IGNORECASE)
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macroDeclRe = re.compile(r'''
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([\w@][\w@0-9]*) \s+
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MACRO
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\s* $
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''',
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re.VERBOSE | re.IGNORECASE
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)
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sectionDeclRe = re.compile(r'''
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([\w@][\w@0-9]*) \s+
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( SECTION | ENDS )
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\s* $
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''',
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re.VERBOSE | re.IGNORECASE
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)
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externRe = re.compile(r'''
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EXTE?RN \s+ (?: C \s+ )?
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([\w@][\w@0-9]*) \s* : \s* (\w+)
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\s* $
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''',
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re.VERBOSE | re.IGNORECASE
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)
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externdefRe = re.compile(r'''
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EXTERNDEF \s+ (?: C \s+ )?
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([\w@][\w@0-9]*) \s* : \s* (\w+)
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\s* $
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''',
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re.VERBOSE | re.IGNORECASE
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)
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protoRe = re.compile(r'''
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([\w@][\w@0-9]*) \s+
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PROTO
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(?: \s+ .* )?
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\s* $
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''',
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re.VERBOSE | re.IGNORECASE
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)
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defineDataRe = re.compile(r'''
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([\w@][\w@0-9]*) \s+
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( db | dw | dd | dq ) \s+
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( .*? )
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\s* $
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''',
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re.VERBOSE | re.IGNORECASE
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)
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equRe = re.compile(r'''
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([\w@][\w@0-9]*) \s+ EQU \s+ (\S.*?)
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\s* $
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''',
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re.VERBOSE | re.IGNORECASE
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)
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ignoreRe = re.compile(r'''
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\. (?: const |
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mmx |
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model |
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xmm |
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||||
x?list |
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[3-6]86p?
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||||
) |
|
||||
page
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||||
(?: \s+ .* )?
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||||
\s* $
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||||
''',
|
||||
re.VERBOSE | re.IGNORECASE
|
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)
|
||||
|
||||
whitespaceRe = re.compile(r'\s+', re.MULTILINE)
|
||||
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def TranslateAsm(self, oldAsm, endOfLine):
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assert(oldAsm.strip() == oldAsm)
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||||
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endOfLine = endOfLine.replace(self.inputFileBase, self.outputFileBase)
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||||
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oldOp = oldAsm.split()
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if len(oldOp) >= 1:
|
||||
oldOp = oldOp[0]
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||||
else:
|
||||
oldOp = ''
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||||
|
||||
if oldAsm == '':
|
||||
newAsm = oldAsm
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
elif oldOp in ('#include', ):
|
||||
newAsm = oldAsm
|
||||
self.EmitLine(oldAsm + endOfLine)
|
||||
elif oldOp.lower() in ('end', 'title', 'text'):
|
||||
newAsm = ''
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
elif oldAsm.lower() == '@@:':
|
||||
self.anonLabelCount += 1
|
||||
self.EmitLine(self.anonLabel(self.anonLabelCount) + ':')
|
||||
elif self.MatchAndSetMo(self.ignoreRe, oldAsm):
|
||||
newAsm = ''
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
elif oldAsm.lower() == 'ret':
|
||||
for i in range(len(self.uses) - 1, -1, -1):
|
||||
register = self.uses[i]
|
||||
self.EmitNewContent('pop ' + register)
|
||||
newAsm = 'ret'
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
self.uses = tuple()
|
||||
elif oldOp.lower() == 'lea':
|
||||
newAsm = self.ConvertLea(oldAsm)
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
elif oldAsm.lower() == 'end':
|
||||
newAsm = ''
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
self.uses = tuple()
|
||||
elif self.MatchAndSetMo(self.equRe, oldAsm):
|
||||
equ = self.mo.group(1)
|
||||
newAsm = '%%define %s %s' % (equ, self.mo.group(2))
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
elif self.MatchAndSetMo(self.externRe, oldAsm) or \
|
||||
self.MatchAndSetMo(self.protoRe, oldAsm):
|
||||
extern = self.mo.group(1)
|
||||
self.NewGlobal(extern)
|
||||
newAsm = 'extern ' + extern
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
elif self.MatchAndSetMo(self.externdefRe, oldAsm):
|
||||
newAsm = ''
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
elif self.MatchAndSetMo(self.macroDeclRe, oldAsm):
|
||||
newAsm = '%%macro %s 0' % self.mo.group(1)
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
elif oldOp.lower() == 'endm':
|
||||
newAsm = r'%endmacro'
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
elif self.MatchAndSetMo(self.sectionDeclRe, oldAsm):
|
||||
name = self.mo.group(1)
|
||||
ty = self.mo.group(2)
|
||||
if ty.lower() == 'section':
|
||||
newAsm = '.' + name
|
||||
else:
|
||||
newAsm = ''
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
elif self.MatchAndSetMo(self.procDeclRe, oldAsm):
|
||||
proc = self.proc = self.mo.group(1)
|
||||
visibility = self.mo.group(2)
|
||||
if visibility is None:
|
||||
visibility = ''
|
||||
else:
|
||||
visibility = visibility.lower()
|
||||
if visibility != 'private':
|
||||
self.NewGlobal(self.proc)
|
||||
proc = 'ASM_PFX(' + proc + ')'
|
||||
self.EmitNewContent('global ' + proc)
|
||||
newAsm = proc + ':'
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
uses = self.mo.group(3)
|
||||
if uses is not None:
|
||||
uses = filter(None, uses.split())
|
||||
else:
|
||||
uses = tuple()
|
||||
self.uses = uses
|
||||
for register in self.uses:
|
||||
self.EmitNewContent(' push ' + register)
|
||||
elif self.MatchAndSetMo(self.procEndRe, oldAsm):
|
||||
newAsm = ''
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
elif self.MatchAndSetMo(self.publicRe, oldAsm):
|
||||
publics = re.findall(self.varAndTypeSubRe, self.mo.group(1))
|
||||
publics = map(lambda p: p.split(':')[0].strip(), publics)
|
||||
for i in range(len(publics) - 1):
|
||||
name = publics[i]
|
||||
self.EmitNewContent('global ASM_PFX(%s)' % publics[i])
|
||||
self.NewGlobal(name)
|
||||
name = publics[-1]
|
||||
self.NewGlobal(name)
|
||||
newAsm = 'global ASM_PFX(%s)' % name
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
elif self.MatchAndSetMo(self.defineDataRe, oldAsm):
|
||||
name = self.mo.group(1)
|
||||
ty = self.mo.group(2)
|
||||
value = self.mo.group(3)
|
||||
if value == '?':
|
||||
value = 0
|
||||
newAsm = '%s: %s %s' % (name, ty, value)
|
||||
newAsm = self.CommonConversions(newAsm)
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
else:
|
||||
newAsm = self.CommonConversions(oldAsm)
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
|
||||
def NewGlobal(self, name):
|
||||
regex = re.compile(r'(?<![_\w\d])(?<!ASM_PFX\()(' + re.escape(name) +
|
||||
r')(?![_\w\d])')
|
||||
self.globals.add(regex)
|
||||
|
||||
def ConvertAnonymousLabels(self, oldAsm):
|
||||
newAsm = oldAsm
|
||||
anonLabel = self.anonLabel(self.anonLabelCount)
|
||||
newAsm = newAsm.replace('@b', anonLabel)
|
||||
newAsm = newAsm.replace('@B', anonLabel)
|
||||
anonLabel = self.anonLabel(self.anonLabelCount + 1)
|
||||
newAsm = newAsm.replace('@f', anonLabel)
|
||||
newAsm = newAsm.replace('@F', anonLabel)
|
||||
return newAsm
|
||||
|
||||
def anonLabel(self, count):
|
||||
return '.%d' % count
|
||||
|
||||
def EmitString(self, string):
|
||||
self.output.write(string)
|
||||
|
||||
def EmitLineWithDiff(self, old, new):
|
||||
newLine = (self.indent + new).rstrip()
|
||||
if self.diff:
|
||||
if old is None:
|
||||
print '+%s' % newLine
|
||||
elif newLine != old:
|
||||
print '-%s' % old
|
||||
print '+%s' % newLine
|
||||
else:
|
||||
print '', newLine
|
||||
if newLine != '':
|
||||
self.newAsmEmptyLineCount = 0
|
||||
self.EmitString(newLine + '\r\n')
|
||||
|
||||
def EmitLine(self, string):
|
||||
self.EmitLineWithDiff(self.originalLine, string)
|
||||
|
||||
def EmitNewContent(self, string):
|
||||
self.EmitLineWithDiff(None, string)
|
||||
|
||||
def EmitAsmReplaceOp(self, oldAsm, oldOp, newOp, endOfLine):
|
||||
newAsm = oldAsm.replace(oldOp, newOp, 1)
|
||||
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
|
||||
|
||||
hexNumRe = re.compile(r'0*((?=[\da-f])\d*(?<=\d)[\da-f]*)h', re.IGNORECASE)
|
||||
|
||||
def EmitAsmWithComment(self, oldAsm, newAsm, endOfLine):
|
||||
for glblRe in self.globals:
|
||||
newAsm = glblRe.sub(r'ASM_PFX(\1)', newAsm)
|
||||
|
||||
newAsm = self.hexNumRe.sub(r'0x\1', newAsm)
|
||||
|
||||
newLine = newAsm + endOfLine
|
||||
emitNewLine = ((newLine.strip() != '') or
|
||||
((oldAsm + endOfLine).strip() == ''))
|
||||
if emitNewLine and newLine.strip() == '':
|
||||
self.newAsmEmptyLineCount += 1
|
||||
if self.newAsmEmptyLineCount > 1:
|
||||
emitNewLine = False
|
||||
if emitNewLine:
|
||||
self.EmitLine(newLine.rstrip())
|
||||
elif self.diff:
|
||||
print '-%s' % self.originalLine
|
||||
|
||||
leaRe = re.compile(r'''
|
||||
(lea \s+) ([\w@][\w@0-9]*) \s* , \s* (\S (?:.*\S)?)
|
||||
\s* $
|
||||
''',
|
||||
re.VERBOSE | re.IGNORECASE
|
||||
)
|
||||
|
||||
def ConvertLea(self, oldAsm):
|
||||
newAsm = oldAsm
|
||||
if self.MatchAndSetMo(self.leaRe, oldAsm):
|
||||
lea = self.mo.group(1)
|
||||
dst = self.mo.group(2)
|
||||
src = self.mo.group(3)
|
||||
if src.find('[') < 0:
|
||||
src = '[' + src + ']'
|
||||
newAsm = lea + dst + ', ' + src
|
||||
newAsm = self.CommonConversions(newAsm)
|
||||
return newAsm
|
||||
|
||||
ptrRe = re.compile(r'''
|
||||
(?<! \S )
|
||||
([dfq]?word|byte) \s+ (?: ptr ) (\s*)
|
||||
(?= [[\s] )
|
||||
''',
|
||||
re.VERBOSE | re.IGNORECASE
|
||||
)
|
||||
|
||||
def ConvertPtr(self, oldAsm):
|
||||
newAsm = oldAsm
|
||||
while self.SearchAndSetMo(self.ptrRe, newAsm):
|
||||
ty = self.mo.group(1)
|
||||
if ty.lower() == 'fword':
|
||||
ty = ''
|
||||
else:
|
||||
ty += self.mo.group(2)
|
||||
newAsm = newAsm[:self.mo.start(0)] + ty + newAsm[self.mo.end(0):]
|
||||
return newAsm
|
||||
|
||||
labelByteRe = re.compile(r'''
|
||||
(?: \s+ label \s+ (?: [dfq]?word | byte ) )
|
||||
(?! \S )
|
||||
''',
|
||||
re.VERBOSE | re.IGNORECASE
|
||||
)
|
||||
|
||||
def ConvertLabelByte(self, oldAsm):
|
||||
newAsm = oldAsm
|
||||
if self.SearchAndSetMo(self.labelByteRe, newAsm):
|
||||
newAsm = newAsm[:self.mo.start(0)] + ':' + newAsm[self.mo.end(0):]
|
||||
return newAsm
|
||||
|
||||
unaryBitwiseOpRe = re.compile(r'''
|
||||
( NOT )
|
||||
(?= \s+ \S )
|
||||
''',
|
||||
re.VERBOSE | re.IGNORECASE
|
||||
)
|
||||
binaryBitwiseOpRe = re.compile(r'''
|
||||
( \S \s+ )
|
||||
( AND | OR | SHL | SHR )
|
||||
(?= \s+ \S )
|
||||
''',
|
||||
re.VERBOSE | re.IGNORECASE
|
||||
)
|
||||
bitwiseOpReplacements = {
|
||||
'not': '~',
|
||||
'and': '&',
|
||||
'shl': '<<',
|
||||
'shr': '>>',
|
||||
'or': '|',
|
||||
}
|
||||
|
||||
def ConvertBitwiseOp(self, oldAsm):
|
||||
newAsm = oldAsm
|
||||
while self.SearchAndSetMo(self.binaryBitwiseOpRe, newAsm):
|
||||
prefix = self.mo.group(1)
|
||||
op = self.bitwiseOpReplacements[self.mo.group(2).lower()]
|
||||
newAsm = newAsm[:self.mo.start(0)] + prefix + op + \
|
||||
newAsm[self.mo.end(0):]
|
||||
while self.SearchAndSetMo(self.unaryBitwiseOpRe, newAsm):
|
||||
op = self.bitwiseOpReplacements[self.mo.group(1).lower()]
|
||||
newAsm = newAsm[:self.mo.start(0)] + op + newAsm[self.mo.end(0):]
|
||||
return newAsm
|
||||
|
||||
sectionRe = re.compile(r'''
|
||||
\. ( code |
|
||||
data
|
||||
)
|
||||
(?: \s+ .* )?
|
||||
\s* $
|
||||
''',
|
||||
re.VERBOSE | re.IGNORECASE
|
||||
)
|
||||
|
||||
segmentRe = re.compile(r'''
|
||||
( code |
|
||||
data )
|
||||
(?: \s+ SEGMENT )
|
||||
(?: \s+ .* )?
|
||||
\s* $
|
||||
''',
|
||||
re.VERBOSE | re.IGNORECASE
|
||||
)
|
||||
|
||||
def ConvertSection(self, oldAsm):
|
||||
newAsm = oldAsm
|
||||
if self.MatchAndSetMo(self.sectionRe, newAsm) or \
|
||||
self.MatchAndSetMo(self.segmentRe, newAsm):
|
||||
name = self.mo.group(1).lower()
|
||||
if name == 'code':
|
||||
if self.x64:
|
||||
self.EmitLine('DEFAULT REL')
|
||||
name = 'text'
|
||||
newAsm = 'SECTION .' + name
|
||||
return newAsm
|
||||
|
||||
fwordRe = re.compile(r'''
|
||||
(?<! \S )
|
||||
fword
|
||||
(?! \S )
|
||||
''',
|
||||
re.VERBOSE | re.IGNORECASE
|
||||
)
|
||||
|
||||
def FwordUnsupportedCheck(self, oldAsm):
|
||||
newAsm = oldAsm
|
||||
if self.SearchAndSetMo(self.fwordRe, newAsm):
|
||||
newAsm = self.Unsupported(newAsm, 'fword used')
|
||||
return newAsm
|
||||
|
||||
__common_conversion_routines__ = (
|
||||
ConvertAnonymousLabels,
|
||||
ConvertPtr,
|
||||
FwordUnsupportedCheck,
|
||||
ConvertBitwiseOp,
|
||||
ConvertLabelByte,
|
||||
ConvertSection,
|
||||
)
|
||||
|
||||
def CommonConversions(self, oldAsm):
|
||||
newAsm = oldAsm
|
||||
for conv in self.__common_conversion_routines__:
|
||||
newAsm = conv(self, newAsm)
|
||||
return newAsm
|
||||
|
||||
def Unsupported(self, asm, message=None):
|
||||
if not self.force:
|
||||
raise UnsupportedConversion
|
||||
|
||||
self.unsupportedSyntaxSeen = True
|
||||
newAsm = '%error conversion unsupported'
|
||||
if message:
|
||||
newAsm += '; ' + message
|
||||
newAsm += ': ' + asm
|
||||
return newAsm
|
||||
|
||||
|
||||
class ConvertInfFile(CommonUtils):
|
||||
|
||||
def __init__(self, inf, clone):
|
||||
CommonUtils.__init__(self, clone)
|
||||
self.inf = inf
|
||||
self.ScanInfAsmFiles()
|
||||
if self.infmode:
|
||||
self.ConvertInfAsmFiles()
|
||||
|
||||
infSrcRe = re.compile(r'''
|
||||
\s*
|
||||
( [\w@][\w@0-9/]* \.(asm|s) )
|
||||
\s* (?: \| [^#]* )?
|
||||
\s* (?: \# .* )?
|
||||
$
|
||||
''',
|
||||
re.VERBOSE | re.IGNORECASE
|
||||
)
|
||||
|
||||
def GetInfAsmFileMapping(self):
|
||||
srcToDst = {'order': []}
|
||||
for line in self.lines:
|
||||
line = line.rstrip()
|
||||
if self.MatchAndSetMo(self.infSrcRe, line):
|
||||
src = self.mo.group(1)
|
||||
srcExt = self.mo.group(2)
|
||||
dst = os.path.splitext(src)[0] + '.nasm'
|
||||
if src not in srcToDst:
|
||||
srcToDst[src] = dst
|
||||
srcToDst['order'].append(src)
|
||||
return srcToDst
|
||||
|
||||
def ScanInfAsmFiles(self):
|
||||
src = self.inf
|
||||
assert os.path.isfile(src)
|
||||
f = open(src)
|
||||
self.lines = f.readlines()
|
||||
f.close()
|
||||
|
||||
path = os.path.realpath(self.inf)
|
||||
(self.dir, inf) = os.path.split(path)
|
||||
parent = os.path.normpath(self.dir)
|
||||
(lastpath, self.moduleName) = os.path.split(parent)
|
||||
self.packageName = None
|
||||
while True:
|
||||
lastpath = os.path.normpath(lastpath)
|
||||
(parent, basename) = os.path.split(lastpath)
|
||||
if parent == lastpath:
|
||||
break
|
||||
if basename.endswith('Pkg'):
|
||||
self.packageName = basename
|
||||
break
|
||||
lastpath = parent
|
||||
|
||||
self.srcToDst = self.GetInfAsmFileMapping()
|
||||
|
||||
self.dstToSrc = {'order': []}
|
||||
for src in self.srcToDst['order']:
|
||||
srcExt = os.path.splitext(src)[1]
|
||||
dst = self.srcToDst[src]
|
||||
if dst not in self.dstToSrc:
|
||||
self.dstToSrc[dst] = [src]
|
||||
self.dstToSrc['order'].append(dst)
|
||||
else:
|
||||
self.dstToSrc[dst].append(src)
|
||||
|
||||
def __len__(self):
|
||||
return len(self.dstToSrc['order'])
|
||||
|
||||
def __iter__(self):
|
||||
return iter(self.dstToSrc['order'])
|
||||
|
||||
def ConvertInfAsmFiles(self):
|
||||
notConverted = []
|
||||
unsupportedArchCount = 0
|
||||
for dst in self:
|
||||
didSomething = False
|
||||
fileChanged = self.UpdateInfAsmFile(dst)
|
||||
try:
|
||||
self.UpdateInfAsmFile(dst)
|
||||
didSomething = True
|
||||
except UnsupportedConversion:
|
||||
if not self.Opt.quiet:
|
||||
print 'MASM=>NASM conversion unsupported for', dst
|
||||
notConverted.append(dst)
|
||||
except NoSourceFile:
|
||||
if not self.Opt.quiet:
|
||||
print 'Source file missing for', reldst
|
||||
notConverted.append(dst)
|
||||
except UnsupportedArch:
|
||||
unsupportedArchCount += 1
|
||||
else:
|
||||
if didSomething:
|
||||
self.ConversionFinished(dst)
|
||||
if len(notConverted) > 0 and not self.Opt.quiet:
|
||||
for dst in notConverted:
|
||||
reldst = self.RootRelative(dst)
|
||||
print 'Unabled to convert', reldst
|
||||
if unsupportedArchCount > 0 and not self.Opt.quiet:
|
||||
print 'Skipped', unsupportedArchCount, 'files based on architecture'
|
||||
|
||||
def UpdateInfAsmFile(self, dst, IgnoreMissingAsm=False):
|
||||
infPath = os.path.split(os.path.realpath(self.inf))[0]
|
||||
asmSrc = os.path.splitext(dst)[0] + '.asm'
|
||||
fullSrc = os.path.join(infPath, asmSrc)
|
||||
fullDst = os.path.join(infPath, dst)
|
||||
srcParentDir = os.path.basename(os.path.split(fullSrc)[0])
|
||||
if srcParentDir.lower() in UnsupportedArch.unsupported:
|
||||
raise UnsupportedArch
|
||||
elif not os.path.exists(fullSrc):
|
||||
if not IgnoreMissingAsm:
|
||||
raise NoSourceFile
|
||||
else: # not os.path.exists(fullDst):
|
||||
conv = ConvertAsmFile(fullSrc, fullDst, self)
|
||||
self.unsupportedSyntaxSeen = conv.unsupportedSyntaxSeen
|
||||
|
||||
lastLine = ''
|
||||
fileChanged = False
|
||||
for i in range(len(self.lines)):
|
||||
line = self.lines[i].rstrip()
|
||||
updatedLine = line
|
||||
for src in self.dstToSrc[dst]:
|
||||
assert self.srcToDst[src] == dst
|
||||
updatedLine = self.ReplacePreserveSpacing(
|
||||
updatedLine, src, dst)
|
||||
|
||||
lineChanged = updatedLine != line
|
||||
if lineChanged:
|
||||
if lastLine.strip() == updatedLine.strip():
|
||||
self.lines[i] = None
|
||||
else:
|
||||
self.lines[i] = updatedLine + '\r\n'
|
||||
|
||||
if self.diff:
|
||||
if lineChanged:
|
||||
print '-%s' % line
|
||||
if self.lines[i] is not None:
|
||||
print '+%s' % updatedLine
|
||||
else:
|
||||
print '', line
|
||||
|
||||
fileChanged |= lineChanged
|
||||
if self.lines[i] is not None:
|
||||
lastLine = self.lines[i]
|
||||
|
||||
if fileChanged:
|
||||
self.lines = filter(lambda l: l is not None, self.lines)
|
||||
|
||||
for src in self.dstToSrc[dst]:
|
||||
if not src.endswith('.asm'):
|
||||
fullSrc = os.path.join(infPath, src)
|
||||
if os.path.exists(fullSrc):
|
||||
self.RemoveFile(fullSrc)
|
||||
|
||||
if fileChanged:
|
||||
f = open(self.inf, 'wb')
|
||||
f.writelines(self.lines)
|
||||
f.close()
|
||||
self.FileUpdated(self.inf)
|
||||
|
||||
def ConversionFinished(self, dst):
|
||||
asmSrc = os.path.splitext(dst)[0] + '.asm'
|
||||
self.FileConversionFinished(
|
||||
self.packageName, self.moduleName, asmSrc, dst)
|
||||
|
||||
|
||||
class ConvertInfFiles(CommonUtils):
|
||||
|
||||
def __init__(self, infs, clone):
|
||||
CommonUtils.__init__(self, clone)
|
||||
infs = map(lambda i: ConvertInfFile(i, self), infs)
|
||||
infs = filter(lambda i: len(i) > 0, infs)
|
||||
dstToInfs = {'order': []}
|
||||
for inf in infs:
|
||||
for dst in inf:
|
||||
fulldst = os.path.realpath(os.path.join(inf.dir, dst))
|
||||
pair = (inf, dst)
|
||||
if fulldst in dstToInfs:
|
||||
dstToInfs[fulldst].append(pair)
|
||||
else:
|
||||
dstToInfs['order'].append(fulldst)
|
||||
dstToInfs[fulldst] = [pair]
|
||||
|
||||
notConverted = []
|
||||
unsupportedArchCount = 0
|
||||
for dst in dstToInfs['order']:
|
||||
didSomething = False
|
||||
try:
|
||||
for inf, reldst in dstToInfs[dst]:
|
||||
inf.UpdateInfAsmFile(reldst, IgnoreMissingAsm=didSomething)
|
||||
didSomething = True
|
||||
except UnsupportedConversion:
|
||||
if not self.Opt.quiet:
|
||||
print 'MASM=>NASM conversion unsupported for', reldst
|
||||
notConverted.append(dst)
|
||||
except NoSourceFile:
|
||||
if not self.Opt.quiet:
|
||||
print 'Source file missing for', reldst
|
||||
notConverted.append(dst)
|
||||
except UnsupportedArch:
|
||||
unsupportedArchCount += 1
|
||||
else:
|
||||
if didSomething:
|
||||
inf.ConversionFinished(reldst)
|
||||
if len(notConverted) > 0 and not self.Opt.quiet:
|
||||
for dst in notConverted:
|
||||
reldst = self.RootRelative(dst)
|
||||
print 'Unabled to convert', reldst
|
||||
if unsupportedArchCount > 0 and not self.Opt.quiet:
|
||||
print 'Skipped', unsupportedArchCount, 'files based on architecture'
|
||||
|
||||
|
||||
class ConvertDirectories(CommonUtils):
|
||||
|
||||
def __init__(self, paths, clone):
|
||||
CommonUtils.__init__(self, clone)
|
||||
self.paths = paths
|
||||
self.ConvertInfAndAsmFiles()
|
||||
|
||||
def ConvertInfAndAsmFiles(self):
|
||||
infs = list()
|
||||
for path in self.paths:
|
||||
assert(os.path.exists(path))
|
||||
for path in self.paths:
|
||||
for root, dirs, files in os.walk(path):
|
||||
for d in ('.svn', '.git'):
|
||||
if d in dirs:
|
||||
dirs.remove(d)
|
||||
for f in files:
|
||||
if f.lower().endswith('.inf'):
|
||||
inf = os.path.realpath(os.path.join(root, f))
|
||||
infs.append(inf)
|
||||
|
||||
ConvertInfFiles(infs, self)
|
||||
|
||||
|
||||
class ConvertAsmApp(CommonUtils):
|
||||
|
||||
def __init__(self):
|
||||
CommonUtils.__init__(self)
|
||||
|
||||
numArgs = len(self.Args)
|
||||
assert(numArgs >= 1)
|
||||
if self.infmode:
|
||||
ConvertInfFiles(self.Args, self)
|
||||
elif self.dirmode:
|
||||
ConvertDirectories(self.Args, self)
|
||||
elif not self.dirmode:
|
||||
assert(numArgs <= 2)
|
||||
src = self.Args[0]
|
||||
if numArgs > 1:
|
||||
dst = self.Args[1]
|
||||
else:
|
||||
dst = None
|
||||
ConvertAsmFile(src, dst, self)
|
||||
|
||||
ConvertAsmApp()
|
||||
Reference in New Issue
Block a user