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keystone/suite/regress/x86_label_arith.py

77 lines
2.1 KiB

#!/usr/bin/python
# This is to test label arithmetic on x86
# Github issue: #66
# Author: Ingmar Steen
from keystone import *
import regress
VALID_ENCODINGS_1 = [
[0x2d, 0x0a, 0x00, 0x00, 0x00],
[0x81, 0xe8, 0x0b, 0x00, 0x00, 0x00],
[0x83, 0xe8, 0x0b],
]
VALID_ENCODINGS_2 = [
[0x2d, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
[0x81, 0xe8, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
[0x83, 0xe8, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
]
class TestX86Nasm1(regress.RegressTest):
def runTest(self):
ks = Ks(KS_ARCH_X86, KS_MODE_32)
ks.syntax = KS_OPT_SYNTAX_NASM
encoding, count = ks.asm(b"sub eax, foo + 5\nfoo:")
self.assertIn(encoding, VALID_ENCODINGS_1)
class TestX86Nasm2(regress.RegressTest):
def runTest(self):
ks = Ks(KS_ARCH_X86, KS_MODE_32)
ks.syntax = KS_OPT_SYNTAX_NASM
encoding, count = ks.asm(b"sub eax, bar - foo\nfoo: dq 0\nbar:")
self.assertIn(encoding, VALID_ENCODINGS_2)
class TestX86Intel1(regress.RegressTest):
def runTest(self):
ks = Ks(KS_ARCH_X86, KS_MODE_32)
ks.syntax = KS_OPT_SYNTAX_INTEL
encoding, count = ks.asm(b"sub eax, foo + 5;foo:")
self.assertIn(encoding, VALID_ENCODINGS_1)
class TestX86Intel2(regress.RegressTest):
def runTest(self):
ks = Ks(KS_ARCH_X86, KS_MODE_32)
ks.syntax = KS_OPT_SYNTAX_INTEL
encoding, count = ks.asm(b"sub eax, bar - foo;foo: .quad 0;bar:")
self.assertIn(encoding, VALID_ENCODINGS_2)
class TestX86Att1(regress.RegressTest):
def runTest(self):
ks = Ks(KS_ARCH_X86, KS_MODE_32)
ks.syntax = KS_OPT_SYNTAX_ATT
encoding, count = ks.asm(b"sub $foo + 5, %eax;foo:")
self.assertIn(encoding, VALID_ENCODINGS_1)
class TestX86Att2(regress.RegressTest):
def runTest(self):
ks = Ks(KS_ARCH_X86, KS_MODE_32)
ks.syntax = KS_OPT_SYNTAX_ATT
encoding, count = ks.asm(b"sub $bar - foo, %eax;foo:;.quad 0;bar:")
self.assertIn(encoding, VALID_ENCODINGS_2)
if __name__ == '__main__':
regress.main()