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jblitzar
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github-python-corpus

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# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import threading
import time
import struct
import X86
import PPC
import Arm
from ElfFile import *
from PEFile import *
from MachOFile import *
ExeFormats = [ElfFile, PEFile, MachOFile]
class InstructionText:
def __init__(self):
self.lines = []
self.tokens = []
class X86Instruction:
def __init__(self, opcode, addr, disasm, addr_size):
self.opcode = opcode
self.addr = addr
self.disasm = disasm
self.addr_size = addr_size
self.plt = None
self.text = InstructionText()
if ((disasm.operation == "jmpn") or self.isCall() or self.isConditionalBranch()) and (disasm.operands[0].operand == "imm"):
self.target = disasm.operands[0].immediate
else:
self.target = None
def isConditionalBranch(self):
return self.disasm.operation in ["jo", "jno", "jb", "jae", "je", "jne", "jbe", "ja", "js", "jns",
"jpe", "jpo", "jl", "jge", "jle", "jg", "jcxz", "jecxz", "jrcxz", "loop"]
def isLocalJump(self):
if self.disasm.operation == "jmpn":
return True
if self.isConditionalBranch():
return True
return False
def isCall(self):
if self.disasm.operation == "calln":
return True
if self.disasm.operation == "callf":
return True
return False
def isBlockEnding(self):
if self.disasm.operation in ["jmpn", "jmpf", "retn", "retf"]:
return True
if self.isConditionalBranch():
return True
if self.disasm.operation == "hlt":
return True
return False
def isValid(self):
return self.disasm.operation != None
def length(self):
return self.disasm.length
def format_text(self, block, options):
old_lines = []
old_tokens = []
self.text.lines = []
self.text.tokens = []
line = []
tokens = []
x = 0
instr = self.disasm
if "address" in options:
string = "%.8x " % self.addr
line += [[string, QColor(0, 0, 128)]]
x += len(string)
if instr.operation == None:
line += [["??", Qt.black]]
self.text.lines += [line]
self.text.tokens += [tokens]
return (old_lines != self.text.lines) or (old_tokens != self.text.tokens)
result = ""
operation = ""
if instr.flags & X86.FLAG_LOCK:
operation += "lock "