Files
unicorn/tests/regress/mips_single_step_sp.py
Eli 9f578946d5 Revamp Python regression tests suite (#2022)
* Fix Python regression test suite (partial)

* Fix Python regression test suite

* Add a test for mapping at high addresses

* Add ctl tests
2024-10-13 13:14:10 +08:00

57 lines
1.4 KiB
Python
Executable File

#!/usr/bin/python
import regress
from unicorn import *
from unicorn.mips_const import *
CODE = (
b'\xf8\xff\x01\x24' # addiu $at, $zero, -8
b'\x24\xe8\xa1\x03' # and $sp, $sp, $at
b'\x09\xf8\x20\x03' # jalr $t9
b'\xe8\xff\xbd\x23' # addi $sp, $sp, -0x18
b'\xb8\xff\xbd\x27' # addiu $sp, $sp, -0x48
b'\x00\x00\x00\x00' # nop
)
BASE = 0x4010dc
def code_hook(uc, addr, size, user_data):
regress.logger.debug('code hook: pc=%08x sp=%08x', addr, uc.reg_read(UC_MIPS_REG_SP))
def run(step) -> int:
uc = Uc(UC_ARCH_MIPS, UC_MODE_MIPS32 + UC_MODE_LITTLE_ENDIAN)
if step:
uc.hook_add(UC_HOOK_CODE, code_hook)
uc.reg_write(UC_MIPS_REG_SP, 0x60800000)
uc.reg_write(UC_MIPS_REG_T9, BASE + len(CODE) - 8)
regress.logger.debug('sp = %08x', uc.reg_read(UC_MIPS_REG_SP))
regress.logger.debug('at = %08x', uc.reg_read(UC_MIPS_REG_AT))
regress.logger.debug('<run> (single step: %s)', str(step))
uc.mem_map(BASE & ~(0x1000 - 1), 0x2000)
uc.mem_write(BASE, CODE)
uc.emu_start(BASE, BASE + len(CODE))
regress.logger.debug('sp = %08x', uc.reg_read(UC_MIPS_REG_SP))
regress.logger.debug('at = %08x', uc.reg_read(UC_MIPS_REG_AT))
return uc.reg_read(UC_MIPS_REG_SP)
class MipsSingleStep(regress.RegressTest):
def runTest(self):
sp1 = run(step=False)
sp2 = run(step=True)
self.assertEqual(sp1, sp2)
if __name__ == '__main__':
regress.main()