62 lines
1.3 KiB
Python
62 lines
1.3 KiB
Python
import llvm
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from llvm import mc
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from llvm.mc import Disassembler
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from llvmpy import api
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llvm.initialize_all_target_components()
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def op_str(op):
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s = []
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if op.isValid():
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s.append("valid")
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else:
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s.append("invalid")
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if op.isReg():
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s.append("+reg(%d)" % op.getReg())
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if op.isImm():
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s.append("+imm(%d)" % op.getImm())
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if op.isFPImm():
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s.append("+fp-imm(%f)" % op.getFPImm())
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if op.isExpr():
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s.append("+expr")
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if op.isInst():
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s.append("+inst")
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return " ".join(s)
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def print_instructions(dasm, bs):
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for (offset, inst) in dasm.decode(bs):
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if inst is None:
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print("\t%r=>(bad): 0, []" % (offset))
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else:
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if isinstance(inst, mc.BadInstr):
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print("\t%r=>(bad)%r: %r" % (offset, inst, len(inst)))
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else:
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print("\t%r=>%r: %r" % (offset, inst, len(inst)))
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for op in inst.operands():
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print("\t\t%s" % op_str(op))
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print("x86:")
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print_instructions(Disassembler.x86(), "\x01\xc3\xc3\xcc\x90")
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print("x86-64:")
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print_instructions(Disassembler.x86_64(), "\x55\x48\x89\xe8")
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print("arm:")
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code = [
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"\xe9\x2d\x48\x00",
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"\xea\x00\x00\x06",
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"\xe2\x4d\xd0\x20",
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"\xe2\x8d\xb0\x04",
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"\xe5\x0b\x00\x20"
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]
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print_instructions(Disassembler.arm(), "".join(map(lambda s: s[::-1], code)))
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