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fix regress/fpu_mem_write.py so it really emulates code

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Nguyen Anh Quynh 2015-09-20 00:02:30 +07:00
parent 8c163706e4
commit 7ab8d667fd
1 changed files with 11 additions and 10 deletions
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21
regress/fpu_mem_write.py
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@ -5,20 +5,21 @@ from unicorn.x86_const import *
ESP = 0x2000 ESP = 0x2000
PAGE_SIZE = 1 * 1024 * 1024 PAGE_SIZE = 1 * 1024 * 1024
# fstcw [esp] # wait
# pop ecx # fnstcw word ptr [esp]
# pop ecx
CODE = b'\x9B\xD9\x3C\x24\x59' CODE = b'\x9B\xD9\x3C\x24\x59'
def mem_reader(addr, size): def mem_reader(addr, size):
tmp = mu.mem_read(addr, size) tmp = mu.mem_read(addr, size)
for i in tmp: for i in tmp:
print(" 0x%x" % i), print(" 0x%x" % i),
print("") print("")
def hook_mem_write(uc, access, address, size, value, user_data): def hook_mem_write(uc, access, address, size, value, user_data):
print("mem WRITE: 0x%x, data size = %u, data value = 0x%x" % (address, size, value)) print("mem WRITE: 0x%x, data size = %u, data value = 0x%x" % (address, size, value))
return True return True
mu = Uc(UC_ARCH_X86, UC_MODE_32) mu = Uc(UC_ARCH_X86, UC_MODE_32)
mu.mem_map(0, PAGE_SIZE) mu.mem_map(0, PAGE_SIZE)
@ -26,7 +27,7 @@ mu.mem_write(0, CODE)
mu.reg_write(UC_X86_REG_ESP, ESP) mu.reg_write(UC_X86_REG_ESP, ESP)
mu.hook_add(UC_HOOK_MEM_WRITE, hook_mem_write) mu.hook_add(UC_HOOK_MEM_WRITE, hook_mem_write)
mu.emu_start(0x0, 0, 0, 2) mu.emu_start(0x0, 5, 0, 2)
esp = mu.reg_read(UC_X86_REG_ESP) esp = mu.reg_read(UC_X86_REG_ESP)
print("value at ESP [0x%X]: " % esp) print("value at ESP [0x%X]: " % esp)
mem_reader(esp, 10) mem_reader(esp, 10)