def start_I(self, attrs):
self.currentInstruction = Instruction()
names = attrs.getNames()
for name in names:
if name in [
"name", "form", "isa", "group", "aliasing", "extension"
]:
setattr(self.currentInstruction, name, attrs[name])
elif name == "class":
self.currentInstruction.iclass = attrs[name]
else:
print("WARNING: not handled instruction attribute : %s" % name)
class InstructionFileHandler(ContentHandler, object):
def __init__(self, file_path, instr_file):
super().__init__()
self.instructionFile = instr_file
self.filePath = file_path
self.nameStack = list()
self.currentInstruction = None
self.currentGroupOperand = None
self.currentOperand = None
self.currentChars = None
self.currentAsm = None
def startDocument(self):
print('Starting parsing "%s" ...' % self.filePath)
def endDocument(self):
print("End parsing.")
def startElement(self, name, attrs):
self.nameStack.append(name)
self.currentChars = ""
if name in ["I", "O", "asm"]:
self.__getattribute__("start_" + name)(attrs)
def endElement(self, name):
self.nameStack.pop()
if name in ["I", "O", "asm"]:
self.__getattribute__("end_" + name)()
def characters(self, content):
self.currentChars += content
def start_I(self, attrs):
self.currentInstruction = Instruction()
names = attrs.getNames()
for name in names:
if name in [
"name",
"form",
"isa",
"group",
"aliasing",
"extension",
]:
setattr(self.currentInstruction, name, attrs[name])
elif name == "class":
self.currentInstruction.iclass = attrs[name]
else:
print("WARNING: not handled instruction attribute : %s" % name)
def end_I(self):
if self.currentInstruction:
self.instructionFile.add_instruction(self.currentInstruction)
def create_operand(self, opr_type):
if opr_type in [
"Group",
"Branch",
"AuthBranch",
"LoadStore",
"AuthLoadStore",
"ALU",
"DataProcessing",
"CacheOp",
"SystemOp",
]:
self.currentGroupOperand = GroupOperand()
return self.currentGroupOperand
else:
return Operand()
def start_O(self, attrs):
self.currentOperand = self.create_operand(attrs["type"])
names = attrs.getNames()
my_attr_list = [
"name",
"type",
"bits",
"value",
"reserved",
"access",
"choices",
"choices2",
"choices3",
"exclude",
"differ",
"slave",
"layout-multiple",
"reg-count",
"reg-index-alignment",
"elem-width",
"uop-param-type",
"sizeType",
]
for name in names:
if name in my_attr_list:
setattr(self.currentOperand, name, attrs[name])
elif name == "class":
self.currentOperand.oclass = attrs[name]
else:
self.currentOperand.set_extra_attribute(name, attrs[name])
if not self.currentOperand.bits:
self.currentOperand.width = 0
else:
self.currentOperand.width = builder_utils.get_bits_size(
self.currentOperand.bits
)
def end_O(self):
if self.currentOperand:
if self.currentGroupOperand:
if self.currentGroupOperand == self.currentOperand:
self.currentInstruction.add_operand(
self.currentGroupOperand
)
self.currentGroupOperand = None
else:
self.currentGroupOperand.add_operand(self.currentOperand)
else:
self.currentInstruction.add_operand(self.currentOperand)
elif self.currentGroupOperand:
self.currentInstruction.add_operand(self.currentGroupOperand)
self.currentGroupOperand = None
self.currentOperand = None
def start_asm(self, attrs):
self.currentAsm = Asm()
names = sorted(attrs.getNames(), key=lambda x: asm_op_index(x))
for name in names:
if name.find("op") == 0:
self.currentAsm.ops.append(attrs[name])
elif name == "format":
self.currentAsm.format = attrs["format"]
else:
print("WARNING: not handled asm attribute : %s" % name)
def end_asm(self):
self.currentInstruction.asm = self.currentAsm
self.currentAsm = None