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process_asm.py
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process_asm.py
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from optparse import OptionParser
import os
import re
import time
parser = OptionParser()
parser.add_option("--show-hex-prefix", dest="show_hex_prefix",
help="show '0' prefix and 'h' suffix for hex numbers (yes, no)",
default="yes")
(options, args) = parser.parse_args()
options.show_hex_prefix = (options.show_hex_prefix != 'no')
entry_point_regexp = re.compile('Entry\s+Point:\s+(?P<entryPoint>[\dABCDEF]+)')
export_regexp = re.compile('\*\s+Export:\s+(?P<export>\S+),\s+(?P<ordinal>\d+)')
num_regexp = re.compile('(?P<prefix>[^\w\?\.@$])(?P<number>[\dABCDEF]+)')
cmds = 'call|jmp|je|jne|jb|jnb|jbe|jl|jnl|jle|jg|ja|js|jns|jp|jnp|jo|jno|loop|loopnz'
direct_transfer_regexp = re.compile('^(?P<cmd>{})\s+(?P<target>[\dABCDEF]+)\W*$'.format(cmds))
external_ref_regexp = re.compile('(?P<extern>\w+\.(?P<name>\S+))')
byteReg = 'al|cl|dl'
wordReg = 'ax|cx|dx'
dwordReg = 'eax|ecx|edx'
access = '\[.*\]'
regLeft = '((?P<byteLeft>{})|(?P<wordLeft>{})|(?P<dwordLeft>{}))'.format(byteReg, wordReg, dwordReg)
regRight = '((?P<byteRight>{})|(?P<wordRight>{})|(?P<dwordRight>{}))'.format(byteReg, wordReg, dwordReg)
accessLeft = '(?P<accessLeft>{})'.format(access)
accessRight = '(?P<accessRight>{})'.format(access)
byte_memory_access_regexp = re.compile('^mov\s+(({},\s+{})|({},\s+{}))$'.format(regLeft, accessRight, accessLeft, regRight))
noFWAIT = {
'fstsw' : 'fnstsw',
}
fwait_regexp = re.compile('^(?P<cmd>{})'.format("|".join(noFWAIT.keys())))
def toHex(n):
return format(n, '08X')
def fromHex(h):
return int(h, 16)
class CommentLine:
_line = None
def __init__(self, line):
self._line = line
def toString(self):
return ";{}".format(self._line)
class MemoryInterval:
def __init__(self, imageMap, addr, length):
self._imageMap = imageMap
self._addr = addr
self._length = length
def startAddress(self):
return self._addr
def endAddress(self):
return self._addr + self._length
def toString(self):
line = ""
curAddr = self._addr
endAddr = self._addr + self._length
while curAddr < endAddr:
item = self._imageMap.itemsMap().get(curAddr)
if item is not None:
line += item.toString(self._imageMap)
curAddr = item.endAddress()
else:
curAddr += 1
return line
class ImportReference:
def __init__(self, addr, name):
self._addr = addr
self._name = name
def showLabel(self, name):
pass
def label(self):
return "__imp_{}".format(self._name)
def startAddress(self):
return self._addr
def endAddress(self):
return self._addr + self.length()
def length(self):
return 4
def demangleStdcall(self):
match = re.search('^_(?P<name>\w+)@(?P<size>\d+)$', self._name)
if match:
name = match.group('name')
size = int(match.group('size'))
return (name, size)
return (None, None)
def toString(self, imageMap):
label = "g{}".format(toHex(self._addr))
data = "0{}h".format(imageMap.bytes(self._addr, self.endAddress()))
return "{} dd {}; {}\n".format(label, data, self._name)
class DataItem:
_addr = None
_length = 0
def __init__(self, startAddr, endAddr):
self._addr = startAddr
self._length = endAddr - startAddr
self._ptrs = {}
self._messages = {}
def showLabel(self, name):
pass
def label(self):
return "g{}".format(toHex(self._addr))
def startAddress(self):
return self._addr
def endAddress(self):
return self._addr + self._length
def length(self):
return self._length
def applyRelocs(self, imageMap):
reloc = imageMap.relocations()
addr = self.startAddress()
while addr < self.endAddress():
if addr in reloc:
targetAddr = reloc[addr]
length = 4
addrStr = reverseBytes(imageMap.bytes(addr, addr + length))
if (
fromHex(addrStr) != targetAddr or
(addr + length > self.endAddress())
):
self._messages[addr] = "Failed to apply reloc."
else:
self._ptrs[addr] = targetAddr
imageMap.resolveAddress(targetAddr)
else:
length = 1
addr += length
def canRead32Bit(self, imageMap, addr):
length = 4
if addr + length > self.endAddress():
return False
for i in range(addr, addr + length):
if i in self._ptrs:
return False
if imageMap.isUninitialisedByte(i):
return False
return True
def zeroFilledDataLen(self, imageMap, startAddr):
curAddr = startAddr
while curAddr < self.endAddress():
if imageMap.bytes(curAddr, curAddr + 1) != "00":
break
if curAddr in self._ptrs:
break
curAddr += 1
return (curAddr - startAddr)
def uninitialisedDataLen(self, imageMap, startAddr):
curAddr = startAddr
while curAddr < self.endAddress():
if not imageMap.isUninitialisedByte(curAddr):
break
curAddr += 1
return (curAddr - startAddr)
def toString(self, imageMap):
lines = ""
addr = self.startAddress()
while addr < self.endAddress():
error = ""
if addr in self._messages:
error = "; {}".format(self._messages[addr])
label = " " * 9
if addr == self.startAddress():
label = self.label()
if addr in self._ptrs:
length = 4
dataSize = "dd"
data = imageMap.label(self._ptrs[addr])
elif self.uninitialisedDataLen(imageMap, addr) > 0:
length = self.uninitialisedDataLen(imageMap, addr)
if length < 4:
dataSize = "db"
numElements = length
else:
dataSize = "dd"
numElements = length / 4
length = numElements * 4
data = "{} dup (?)".format(numElements)
elif self.zeroFilledDataLen(imageMap, addr) >= 8:
numElements = self.zeroFilledDataLen(imageMap, addr) / 4
length = numElements * 4
dataSize = "dd"
data = "{} dup (0)".format(numElements)
elif self.canRead32Bit(imageMap, addr):
length = 4
dataSize = "dd"
num = reverseBytes(imageMap.bytes(addr, addr + length))
data = "0{}h".format(num)
else:
length = 1
dataSize = "db"
data = "0{}h".format(imageMap.bytes(addr, addr + length))
lines += "{} {} {}{}\n".format(label, dataSize, data, error)
addr += length
return lines
class AsmInstruction:
_addr = None
_instr = None
_length = 0
_showLabel = False
_name = None
_message = ""
def __init__(self, addr, instr, length):
self._addr = addr
self._instr = instr
self._length = length
self._pointers = []
def showLabel(self, name):
self._showLabel = True
self._name = name
def hideLabel(self):
self._showLabel = False
def label(self):
return self._name or "l{}".format(toHex(self._addr))
def startAddress(self):
return self._addr
def endAddress(self):
return self._addr + self._length
def length(self):
return self._length
def addHexPrefix(self, instr):
return num_regexp.sub('\g<prefix>0\g<number>h', instr)
def fixByteMemoryAccess(self):
match = re.search(byte_memory_access_regexp, self._instr)
if match:
access = match.group('accessLeft') or match.group('accessRight')
byte = match.group('byteLeft') or match.group('byteRight')
word = match.group('wordLeft') or match.group('wordRight')
dword = match.group('dwordLeft') or match.group('dwordRight')
size = None
size = 'byte ptr' if byte is not None else size
size = 'word ptr' if word is not None else size
size = 'dword ptr' if dword is not None else size
self._instr = self._instr.replace(access, '{} {}'.format(size, access))
def addNearJumpModifier(self, imageMap):
opcode = imageMap.bytes(self._addr, self._addr + 1)
if opcode == "E9":
self._instr = self._instr.replace('jmp', 'jmp near ptr')
def avoidEmittingOfFWAIT(self):
match = re.search(fwait_regexp, self._instr)
if match:
cmd = match.group('cmd')
self._instr = self._instr.replace(cmd, noFWAIT[cmd])
def applyRelocs(self, imageMap):
reloc = imageMap.relocations()
for a in range(self._addr, self._addr + self._length):
if a in reloc:
targetAddr = reloc[a]
if self._instr.find(toHex(targetAddr)) < 0:
self.printErrorMessage("Failed to apply reloc")
else:
imageMap.resolveAddress(targetAddr)
self._pointers.append(targetAddr)
def printErrorMessage(self, msg):
self._message += " {}.".format(msg)
def resolveDirectTransferAddress(self, imageMap):
match = re.search(direct_transfer_regexp, self._instr)
if match:
cmd = match.group('cmd')
targetAddr = fromHex(match.group('target'))
label = imageMap.label(targetAddr)
self._instr = "{} {}".format(cmd, label)
imageMap.resolveAddress(targetAddr)
def resolveExternalCalls(self, imageMap):
match = re.search(external_ref_regexp, self._instr)
if match:
externalSym = match.group('extern')
symbolName = match.group('name')
(targetAddr, isDirectCall) = self.extractTargetAddress(imageMap)
if targetAddr is not None and not isDirectCall:
imageMap.addImportReference(targetAddr, symbolName)
self.printErrorMessage("[{}]".format(externalSym))
target = self.buildTargetOperand(targetAddr, isDirectCall)
self._instr = self._instr.replace(externalSym, target)
def buildTargetOperand(self, targetAddr, isDirectCall):
if targetAddr is None:
return 'external_symbol'
elif isDirectCall:
return toHex(targetAddr)
else:
return "[{}]".format(toHex(targetAddr))
def extractTargetAddress(self, imageMap):
bytes = imageMap.bytes(self.startAddress(), self.endAddress())
prefixes = [
'(?P<directCall>E8)', # call ptr
'FF15', # call [ptr]
'FF25', # jmp [ptr]
'A1', # mov eax, [ptr]
'8B0D', # mov ecx, [ptr]
'8B15', # mov edx, [ptr]
'3B05', # cmp eax, [ptr]
'3B0D', # cmp ecx, [ptr]
'3B15', # cmp edx, [ptr]
]
prefix = '|'.join(prefixes)
match = re.search('^({})(?P<addr>........)$'.format(prefix), bytes)
if match:
addr = reverseBytes(match.group('addr'))
if match.group('directCall'):
return (self.endAddress() + fromHex(addr), True)
else:
return (fromHex(addr), False)
return (None, False)
def replacePointers(self, imageMap):
instr = self._instr
for addr in self._pointers:
label = imageMap.label(addr)
if instr.find("[{}]".format(toHex(addr))) < 0:
label = "offset {}".format(label)
(instr, count) = re.subn(toHex(addr), label, instr, 1)
if count == 0:
self.printErrorMessage("Failed to replace number with label")
return instr
def toString(self, imageMap):
label = "{}:".format(self.label())
if (not self._showLabel):
label = " "
msg = ""
if (self._message):
msg = "; {}".format(self._message.lstrip())
instr = self.replacePointers(imageMap)
if options.show_hex_prefix:
instr = self.addHexPrefix(instr)
return "{} {}{}\n".format(label, instr, msg)
class ImageMap:
def __init__(self, mem):
self._mem = mem
self._items = {}
self._importReferences = {}
self._exports = {}
self._unresolvedAddresses = set()
def itemsMap(self):
return self._items
def unresolvedAddresses(self):
return self._unresolvedAddresses
def relocations(self):
return self._mem.relocations()
def importReferences(self):
importReferences = []
for addr in sorted(self._items.keys()):
item = self._items[addr]
if (isinstance(item, ImportReference)):
importReferences.append(item)
return importReferences
def exports(self):
return self._exports
def label(self, addr):
if addr in self._items:
return self._items[addr].label()
return "l{}".format(toHex(addr))
def add(self, addr, item):
self._items[addr] = item
def addImportReference(self, addr, name):
self._importReferences[addr] = ImportReference(addr, name)
def addExport(self, addr, name):
self._exports[addr] = name
self.resolveAddress(addr)
def bytes(self, startAddress, endAddress):
return self._mem.bytes(startAddress, endAddress)
def isUninitialisedByte(self, address):
return self._mem.isUninitialisedByte(address)
def dasm(self, addr):
patterns = {
"55" : "push ebp",
"56" : "push esi",
"57" : "push edi",
"8BEC" : "mov ebp, esp",
"83EC4C" : "sub esp, 0000004C",
"81EC44040000" : "sub esp, 00000444",
}
length = 1
instruction = "invalid {}".format(self._mem.bytes(addr, addr + length))
for (pattern, instr) in patterns.items():
l = len(pattern) / 2
bytes = self._mem.bytes(addr, addr + l)
if (bytes == pattern):
instruction = instr
length = l
break
return AsmInstruction(addr, instruction, length)
def removeOverlappedItems(self):
prevItem = None
for addr in sorted(self._items.keys()):
item = self._items[addr]
if (prevItem is not None and prevItem.endAddress() > item.startAddress()):
self._items[prevItem.startAddress()] = DataItem(prevItem.startAddress(), item.startAddress())
prevItem = item
def isInvalidInstruction(self, item, relAddr):
relLength = 4
relStart = relAddr
relEnd = relAddr + relLength
return relAddr < item.startAddress() or relEnd > item.endAddress()
def removeInvalidInstructions(self):
invalidInstructions = set()
for addr in sorted(self._items.keys()):
item = self._items[addr]
if isinstance(item, AsmInstruction):
for relAddr in range(item.startAddress(), item.endAddress()):
if (relAddr in self.relocations()):
if self.isInvalidInstruction(item, relAddr):
invalidInstructions.add(item)
relLength = 4
for relAddr in sorted(self.relocations().keys()):
for addr in range(relAddr, relAddr + relLength):
item = self._items.get(addr)
if isinstance(item, AsmInstruction):
if self.isInvalidInstruction(item, relAddr):
invalidInstructions.add(item)
for item in invalidInstructions:
startAddr = item.startAddress()
endAddr = item.endAddress()
self._items[startAddr] = DataItem(startAddr, endAddr)
def endAddressOfAdjacentDataItems(self, addr):
item = self._items[addr]
if not isinstance(item, DataItem):
return item.startAddress()
nextItem = self._items.get(item.endAddress())
while isinstance(nextItem, DataItem):
item = nextItem
nextItem = self._items.get(item.endAddress())
return item.endAddress()
def mergeAdjacentDataItems(self):
endAddr = None
for addr in sorted(self._items.keys()):
if endAddr is not None and addr < endAddr:
del self._items[addr]
else:
endAddr = self.endAddressOfAdjacentDataItems(addr)
if (endAddr > self._items[addr].endAddress()):
self._items[addr] = DataItem(addr, endAddr)
def mergeUserData(self, userMap):
self._items = self._mergeUserData(self._items, userMap)
def _mergeUserData(self, imageMap, userMap):
result = dict()
nextAddr = 0
for addr in sorted(set(imageMap.keys() + userMap.keys())):
item = imageMap.get(addr)
usrItem = userMap.get(addr)
if (usrItem != None):
result[addr] = usrItem
nextAddr = usrItem.endAddress()
elif (item != None and item.endAddress() > nextAddr):
if addr >= nextAddr:
result[addr] = item
elif isinstance(item, AsmInstruction):
while nextAddr < item.endAddress():
result[nextAddr] = self.dasm(nextAddr)
nextAddr = result[nextAddr].endAddress()
return result
def splitDataItems(self):
unresolvedAddresses = self._unresolvedAddresses
importReferences = self._importReferences.values()
addresses = (
self._items.keys() +
list(unresolvedAddresses) +
self.relocations().values() +
map(lambda ref : ref.startAddress(), importReferences) +
map(lambda ref : ref.endAddress(), importReferences)
)
curItem = None
for addr in sorted(set(addresses)):
item = self._items.get(addr)
if (item != None):
curItem = item
elif isinstance(curItem, DataItem) and addr < curItem.endAddress():
itemLeft = DataItem(curItem.startAddress(), addr)
itemRight = DataItem(addr, curItem.endAddress())
self._items[curItem.startAddress()] = itemLeft
self._items[addr] = itemRight
curItem = itemRight
for addr in sorted(self._items.keys()):
item = self._items[addr]
importRef = self._importReferences.get(addr)
if (importRef is not None and
isinstance(item, DataItem) and
item.endAddress() == importRef.endAddress()
):
self._items[addr] = importRef
self._unresolvedAddresses -= set(self._items)
def resolveAddress(self, addr, name = None):
if addr in self._items:
self._items[addr].showLabel(name)
else:
self._unresolvedAddresses.add(addr)
class MemoryArea:
_addr = None
_bytes = None
_reloc = None
def __init__(self, reloc):
self._reloc = reloc
def relocations(self):
return self._reloc
def addBytes(self, addr, bytes):
if self._addr is None:
self._addr = addr
self._bytes = list(bytes)
else:
expectedSize = 2 * (addr - self._addr)
delta = expectedSize - len(self._bytes)
if (delta < 0):
del self._bytes[delta]
for i in range(delta):
self._bytes.append(None)
self._bytes.extend(bytes)
def bytes(self, startAddress, endAddress):
curAddr = startAddress
bytes = []
while curAddr < endAddress:
index = 2 * (curAddr - self._addr)
if index < len(self._bytes):
bytes.append(self._bytes[index] or "?")
bytes.append(self._bytes[index + 1] or "?")
else:
bytes.append("?")
bytes.append("?")
curAddr += 1
return "".join(bytes)
def isUninitialisedByte(self, address):
index = 2 * (address - self._addr)
if index >= len(self._bytes):
return True
return self._bytes[index] is None and self._bytes[index + 1] is None
def extractEntryPoint(line):
match = re.search(entry_point_regexp, line)
if match:
return fromHex(match.group('entryPoint'))
return None
def extractExport(line):
match = re.search(export_regexp, line)
if match:
return match.group('export')
return None
def makeMemoryIntervalsAdjacent(imageMap, lineItems):
prevIndex = -1
for (i, lineItem) in enumerate(lineItems):
if isinstance(lineItem, MemoryInterval):
if (
prevIndex > 0 and
lineItems[prevIndex].endAddress() != lineItem.startAddress()
):
startAddress = lineItems[prevIndex].startAddress()
length = lineItem.startAddress() - startAddress
lineItems[prevIndex] = MemoryInterval(
imageMap = imageMap,
addr = startAddress,
length = length)
prevIndex = i
def readRelocations(relocFileName):
addr_value_regexp = re.compile('^;;\s(?P<addr>0x[\dABCDEF]+)\s(?P<value>0x[\dABCDEF]+)')
reloc = dict()
f = open(relocFileName)
for line in f.readlines():
match = re.search(addr_value_regexp, line)
if match:
addr = match.group('addr')
value = match.group('value')
reloc[fromHex(addr)] = fromHex(value)
f.close()
return reloc
def readDataItems(dataFileName):
addr_inv_regexp = re.compile('^;;\s(?P<startAddr>0x[\dABCDEF]+)\s(?P<endAddr>0x[\dABCDEF]+)')
dataItems = dict()
f = open(dataFileName)
for line in f.readlines():
match = re.search(addr_inv_regexp, line)
if match:
startAddr = fromHex(match.group('startAddr'))
endAddr = fromHex(match.group('endAddr'))
dataItems[startAddr] = DataItem(startAddr, endAddr)
f.close()
return dataItems
def reverseBytes(bytes):
length = len(bytes) / 2
num = ""
for i in range(length, 0, -1):
num += bytes[2 * i - 2] + bytes[2 * i - 1]
return num
def stdcallPrototype(name, size):
if size != 0:
params = "Params{} params".format(size)
else:
params = ""
return "void __stdcall {}({})".format(name, params)
def writeUninitialisedData(imageMap, endDataAdddress):
f = open("uninitialised.asm", "wt")
for addr in sorted(imageMap.itemsMap().keys()):
imageItem = imageMap.itemsMap()[addr]
if imageItem.startAddress() >= endDataAdddress:
f.write(imageItem.toString(imageMap))
f.close()
def writeStdcallFunctions(importReferences):
f = open("stdcallDefs.cpp", "wt")
stdcalls = []
sizes = set()
for impref in importReferences:
(name, size) = impref.demangleStdcall()
if name is not None:
stdcalls.append((name, size))
if size != 0:
sizes.add(size)
f.write('\nextern "C" {\n\n')
for size in sizes:
fields = " char params[{}];\n".format(size)
name = "Params{}".format(size)
strucureDef = "typedef struct\n{{\n{}}} {};\n\n".format(fields, name)
f.write(strucureDef)
for (name, size) in stdcalls:
decl = "__declspec(dllexport) {};".format(stdcallPrototype(name, size))
f.write("{}\n".format(decl))
f.write('\n}/* extern "C" */\n')
for (name, size) in stdcalls:
definition = "{}\n{{\n}}\n".format(stdcallPrototype(name, size))
f.write("\n{}".format(definition))
f.close()
def writeExportDeclarations(imageMap):
f = open("export.inc", "wt")
for addr in sorted(imageMap.exports().keys()):
f.write("public {}\n".format(imageMap.label(addr)))
f.close()
def isCdeclMangling(exportName, internalName):
return (internalName == '_' + exportName)
def writeExportCmd(imageMap, mangledNames, implementedProcedures):
f = open("export_cmd.txt", "wt")
exportAddrs = set(imageMap.exports().keys()) - set(implementedProcedures)
for addr in sorted(exportAddrs):
exportName = imageMap.exports()[addr]
internalName = imageMap.label(addr)
if addr in mangledNames:
internalName = mangledNames[addr]
if isCdeclMangling(exportName, internalName):
symbolName = "{}".format(exportName)
else:
symbolName = "{}={}".format(exportName, internalName)
f.write("/EXPORT:{}\n".format(symbolName))
f.close()
def collectProceduresFromFile(fileName):
mangledNames = {}
nativeProcedures = set()
f = open(fileName)
lines = f.readlines()
addr_regexp = re.compile('Entry\s+point:\s+0x(?P<addr>[\dABCDEF]+)')
mangling_regexp = re.compile('VC\+\+\s+mangling:\s+(?P<mangling>[\S]+)')
proc_regexp = re.compile('\W(?P<proc>\w+)\s*\([^\(\)]*\)\s*\{')
meta = False
addr = None
for line in lines:
if line.find("/*") >= 0:
meta = True
addr = None
mangling = None
if line.find("*/") >= 0:
meta = False
definition = ""
if addr is not None:
mangledNames[addr] = mangling
if line.find("BLD_NATIVE") >= 0:
nativeProcedures.add(addr)
if meta:
match = re.search(addr_regexp, line)
if match:
addr = fromHex(match.group('addr'))
match = re.search(mangling_regexp, line)
if match:
mangling = match.group('mangling')
elif addr is not None and mangledNames[addr] is None:
definition += line
if line.find("{") >= 0:
cdecl_mangling = None
match = re.search(proc_regexp, definition)
if match:
proc_name = match.group('proc')
cdecl_mangling = "_{}".format(proc_name)
fallback = "fn{}".format(toHex(addr))
mangledNames[addr] = cdecl_mangling or fallback
f.close()
return (mangledNames, set(mangledNames.keys()) - nativeProcedures)
def collectVariablesFromFile(fileName):
varNames = {}
f = open(fileName)
lines = f.readlines()
addr_regexp = re.compile('Data\s+address:\s+0x(?P<addr>[\dABCDEF]+)')
name_regexp = re.compile('(\W+(?P<name>\w+)(\s*\[\s*\d*\s*\])*\s*)?;')
addr = None
for line in lines:
match = re.search(addr_regexp, line)
if match:
addr = fromHex(match.group('addr'))
if addr is not None:
match = re.search(name_regexp, line)
if match:
varNames[addr] = match.group('name')
addr = None
f.close()
return varNames
def collectSymbolsFromSources():
varNames = {}
mangledNames = {}
implementedProcedures = []
for (root, dirs, files) in os.walk('..'):
for file in files:
if file.endswith(".cpp") or file.endswith(".h"):
fileName = os.path.join(root, file)
(names, implemented) = collectProceduresFromFile(fileName)
mangledNames.update(names)
implementedProcedures += implemented
varNames.update(collectVariablesFromFile(fileName))
return (varNames, mangledNames, implementedProcedures)
if __name__ == '__main__':
start_time = time.time()
f = open("raw.txt")
lines = f.readlines()
f.close()
reloc = readRelocations("reloc.txt")
userData = readDataItems("data.txt")
addr_label_regexp = re.compile('^(?P<addr>[\dABCDEF]+):\s+(?P<bytes>[\dABCDEF]+)\s+(?P<instr>\S.*)?$')
print("Fill data structures...")
entryPoint = None
export = None
lineItems = []
mem = MemoryArea(reloc)
imageMap = ImageMap(mem)
for line in lines:
match = re.search(addr_label_regexp, line)
if not match:
lineItems.append(CommentLine(line))
entryPoint = entryPoint or extractEntryPoint(line)
export = export or extractExport(line)
else:
addr = fromHex(match.group('addr'))
instr = match.group('instr')
bytes = match.group('bytes')
length = len(bytes) / 2
mem.addBytes(addr, bytes)
memIntv = MemoryInterval(imageMap = imageMap, addr = addr, length = length)
lineItems.append(memIntv)
if instr is not None:
item = AsmInstruction(addr, instr.rstrip(), length)
else:
item = DataItem(addr, addr + length)
imageMap.add(addr, item)
if export is not None:
imageMap.addExport(addr, export)
export = None
imageMap.resolveAddress(entryPoint, '__startup')
print("Removing overlapped items...")
makeMemoryIntervalsAdjacent(imageMap, lineItems)
imageMap.removeOverlappedItems()
print("Merging user data...")
imageMap.mergeUserData(userData)
print("Removing invalid instructions...")
imageMap.removeInvalidInstructions()
print("Merge adjacent data iiems...")
imageMap.mergeAdjacentDataItems()
print("Processing data...")
for imageItem in imageMap.itemsMap().values():
if isinstance(imageItem, AsmInstruction):
imageItem.resolveExternalCalls(imageMap)
imageItem.applyRelocs(imageMap)
imageItem.resolveDirectTransferAddress(imageMap)
print("Splitting data items...")
imageMap.splitDataItems()
for imageItem in imageMap.itemsMap().values():
if isinstance(imageItem, DataItem):
imageItem.applyRelocs(imageMap)
print("Collect symbols from sources...")
(varNames, mangledNames, implementedProcedures) = collectSymbolsFromSources()
print("Hide implemented procedures...")
for addr in implementedProcedures:
imageMap.itemsMap()[addr].hideLabel()
print("Writing data...")
for imageItem in imageMap.itemsMap().values():
if isinstance(imageItem, AsmInstruction):
imageItem.fixByteMemoryAccess()
imageItem.addNearJumpModifier(imageMap)
imageItem.avoidEmittingOfFWAIT()
f = open("native.asm", "wt")
for lineItem in lineItems:
f.write(lineItem.toString())
f.write("; Unresolved addresses:\n")
for addr in sorted(imageMap.unresolvedAddresses()):
f.write("l{} dd 012345678h\n".format(toHex(addr)))
f.close()
writeUninitialisedData(imageMap, lineItems[-1].endAddress())
f = open("import.inc", "wt")
for impref in imageMap.importReferences():
f.write("externdef {}: ptr\n".format(impref.label()))
f.close()
writeExportDeclarations(imageMap)
writeExportCmd(imageMap, mangledNames, implementedProcedures)
writeStdcallFunctions(imageMap.importReferences())
f = open("procedures.inc", "wt")
for addr in sorted(mangledNames.keys()):
name = mangledNames[addr]
label = imageMap.label(addr)
f.write("externdef {}: near\n{} equ {}\n".format(name, label, name))
f.close()
f = open("variables.inc", "wt")
for addr in sorted(varNames.keys()):
name = varNames[addr]
label = imageMap.label(addr)
f.write("public _{}\n{} equ _{}\n".format(name, label, name))
f.close()
print("Converted in %.2f seconds" % (time.time() - start_time))