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add regress for #155

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Ryan Hileman 2015-09-26 12:48:25 -07:00
parent 886946dcf4
commit 4b42b4be52
1 changed files with 39 additions and 0 deletions
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39
tests/regress/mips_single_step_sp.py Normal file
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from unicorn import *
from unicorn.mips_const import *
def code_hook(uc, addr, size, user_data):
print 'code hook: pc=%08x sp=%08x' % (addr, uc.reg_read(UC_MIPS_REG_SP))
def run(step=False):
addr = 0x4010dc
code = (
'f8ff0124' # addiu $at, $zero, -8
'24e8a103' # and $sp, $sp, $at
'09f82003' # jalr $t9
'e8ffbd23' # addi $sp, $sp, -0x18
'b8ffbd27' # addiu $sp, $sp, -0x48
'00000000' # nop
).decode('hex')
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, addr + len(code) - 8)
print 'sp =', hex(uc.reg_read(UC_MIPS_REG_SP))
print 'at =', hex(uc.reg_read(UC_MIPS_REG_AT))
print '<run> (single step: %s)' % (str(step))
uc.mem_map(addr & ~(0x1000 - 1), 0x2000)
uc.mem_write(addr, code)
uc.emu_start(addr, addr + len(code))
print 'sp =', hex(uc.reg_read(UC_MIPS_REG_SP))
print 'at =', hex(uc.reg_read(UC_MIPS_REG_AT))
print
run(step=False)
run(step=True)