1#!/usr/bin/python
2from unicorn import *
3from unicorn.mips_const import *
4
5import regress
6
7def hook_intr(uc, intno, _):
8    print 'interrupt', intno
9
10CODE = 0x400000
11asm = '0000a48f'.decode('hex')  # lw    $a0, ($sp)
12
13class MipsExcept(regress.RegressTest):
14
15    def runTest(self):
16        uc = Uc(UC_ARCH_MIPS, UC_MODE_MIPS32 + UC_MODE_LITTLE_ENDIAN)
17        uc.hook_add(UC_HOOK_INTR, hook_intr)
18        uc.mem_map(CODE, 0x1000)
19        uc.mem_write(CODE, asm)
20
21        with self.assertRaises(UcError) as m:
22            uc.reg_write(UC_MIPS_REG_SP, 0x400001)
23            uc.emu_start(CODE, CODE + len(asm), 300)
24
25        self.assertEqual(UC_ERR_READ_UNALIGNED, m.exception.errno)
26
27        with self.assertRaises(UcError) as m:
28            uc.reg_write(UC_MIPS_REG_SP, 0xFFFFFFF0)
29            uc.emu_start(CODE, CODE + len(asm), 200)
30
31        self.assertEqual(UC_ERR_READ_UNMAPPED, m.exception.errno)
32
33        with self.assertRaises(UcError) as m:
34            uc.reg_write(UC_MIPS_REG_SP, 0x80000000)
35            uc.emu_start(CODE, CODE + len(asm), 100)
36
37        self.assertEqual(UC_ERR_READ_UNMAPPED, m.exception.errno)
38
39if __name__ == '__main__':
40    regress.main()
41
42