82 lines
2.8 KiB
Python
Executable File
82 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python
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# Capstone Python bindings, by Peace-Maker <peacemakerctf@gmail.com>
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from __future__ import print_function
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from capstone import *
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from capstone.wasm import *
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from xprint import to_hex
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WASM_CODE = b"\x20\x00\x20\x01\x41\x20\x10\xc9\x01\x45\x0b"
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all_tests = (
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(CS_ARCH_WASM, 0, WASM_CODE, "WASM"),
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)
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def print_insn_detail(insn):
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# print address, mnemonic and operands
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print("0x%x:\t%s\t%s" % (insn.address, insn.mnemonic, insn.op_str))
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# "data" instruction generated by SKIPDATA option has no detail
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if insn.id == 0:
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return
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if len(insn.groups) > 0:
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print("\tGroups: ", end="")
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for group in insn.groups:
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print("%s " % insn.group_name(group), end="")
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print()
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if len(insn.operands) > 0:
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print("\tOperand count: %u" % len(insn.operands))
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c = 0
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for i in insn.operands:
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if i.type == WASM_OP_INT7:
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print("\t\tOperand[%u] type: int7" % c)
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print("\t\tOperand[%u] value: %d" % (c, i.int7))
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elif i.type == WASM_OP_VARUINT32:
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print("\t\tOperand[%u] type: varuint32" % c)
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print("\t\tOperand[%u] value: %#x" % (c, i.varuint32))
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elif i.type == WASM_OP_VARUINT64:
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print("\t\tOperand[%u] type: varuint64" % c)
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print("\t\tOperand[%u] value: %#x" % (c, i.varuint64))
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elif i.type == WASM_OP_UINT32:
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print("\t\tOperand[%u] type: uint32" % c)
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print("\t\tOperand[%u] value: %#x" % (c, i.uint32))
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elif i.type == WASM_OP_UINT64:
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print("\t\tOperand[%u] type: uint64" % c)
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print("\t\tOperand[%u] value: %#x" % (c, i.uint64))
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elif i.type == WASM_OP_IMM:
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print("\t\tOperand[%u] type: imm" % c)
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print("\t\tOperand[%u] value: %#x %#x" % (c, i.immediate[0], i.immediate[1]))
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elif i.type == WASM_OP_BRTABLE:
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print("\t\tOperand[%u] type: brtable" % c)
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print("\t\tOperand[%u] value: length=%#x, address=%#x, default_target=%#x" % (c, i.brtable.length, i.brtable.address, i.brtable.default_target))
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print("\t\tOperand[%u] size: %u" % (c, i.size))
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c += 1
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# ## Test class Cs
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def test_class():
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for (arch, mode, code, comment) in all_tests:
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print("*" * 16)
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print("Platform: %s" % comment)
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print("Code: %s" % to_hex(code))
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print("Disasm:")
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try:
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md = Cs(arch, mode)
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md.detail = True
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for insn in md.disasm(code, 0xffff):
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print_insn_detail(insn)
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print()
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print("0x%x:\n" % (insn.address + insn.size))
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except CsError as e:
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print("ERROR: %s" % e)
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if __name__ == '__main__':
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test_class()
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