9f578946d5
* Fix Python regression test suite (partial) * Fix Python regression test suite * Add a test for mapping at high addresses * Add ctl tests
91 lines
2.7 KiB
Python
Executable File
91 lines
2.7 KiB
Python
Executable File
#!/usr/bin/python
|
|
# By Mariano Graziano
|
|
|
|
import struct
|
|
import regress
|
|
|
|
from unicorn import *
|
|
from unicorn.x86_const import *
|
|
|
|
|
|
class Emulator:
|
|
def __init__(self, code, stack):
|
|
def __page_aligned(address):
|
|
return address & ~(0x1000 - 1)
|
|
|
|
self.unicorn_code = code
|
|
self.unicorn_stack = stack
|
|
|
|
self.mu = Uc(UC_ARCH_X86, UC_MODE_64)
|
|
|
|
regress.logger.debug("mapping code : %#x", __page_aligned(code))
|
|
regress.logger.debug("mapping stack : %#x", __page_aligned(stack))
|
|
|
|
self.mu.mem_map(__page_aligned(code), 0x1000)
|
|
self.mu.mem_map(__page_aligned(stack), 0x1000)
|
|
|
|
self.mu.reg_write(UC_X86_REG_RSP, stack)
|
|
self.mu.reg_write(UC_X86_REG_RIP, code)
|
|
|
|
self.set_hooks()
|
|
|
|
def set_hooks(self):
|
|
self.mu.hook_add(UC_HOOK_MEM_WRITE, self.hook_mem_access)
|
|
self.mu.hook_add(UC_HOOK_MEM_READ_UNMAPPED | UC_HOOK_MEM_WRITE_UNMAPPED, self.hook_mem_invalid)
|
|
self.mu.hook_add(UC_HOOK_MEM_FETCH_UNMAPPED, self.hook_mem_fetch_unmapped)
|
|
|
|
def hook_mem_fetch_unmapped(self, uc, access, address, size, value, user_data):
|
|
next_ip = self.unicorn_code + size
|
|
|
|
self.write_reg(UC_X86_REG_RIP, next_ip)
|
|
self.write_data(next_ip, b"\x90")
|
|
# self.write_reg(UC_X86_REG_RIP, address) # ???
|
|
|
|
return True
|
|
|
|
def hook_mem_invalid(self, uc, access, address, size, value, user_data):
|
|
regress.logger.debug("invalid mem access: access type = %d, to = %#x, size = %u, value = %#x", access, address, size, value)
|
|
|
|
return True
|
|
|
|
def hook_mem_access(self, uc, access, address, size, value, user_data):
|
|
return True
|
|
|
|
def emu(self, steps):
|
|
ip = self.mu.reg_read(UC_X86_REG_RIP)
|
|
max_intel_insn_size = 15
|
|
|
|
regress.logger.debug("starting at : %#x", ip)
|
|
self.mu.emu_start(ip, ip + max_intel_insn_size, count=steps)
|
|
|
|
def write_data(self, address, content):
|
|
self.mu.mem_write(address, content)
|
|
|
|
def write_reg(self, reg, value):
|
|
self.mu.reg_write(reg, value)
|
|
|
|
|
|
class Init(regress.RegressTest):
|
|
def init_unicorn(self, ip, sp, magic):
|
|
emu = Emulator(ip, sp)
|
|
|
|
emu.write_data(ip, b"\xf4" * 8)
|
|
emu.write_data(sp, struct.pack("<Q", magic))
|
|
|
|
emu.emu(1)
|
|
|
|
def runTest(self):
|
|
ip_base = 0x000fffff816a0000 # was: 0xffffffff816a0000
|
|
sp_base = 0x000f88001b800000 # was: 0xffff88001b800000
|
|
mg_base = 0x000f880026f02000 # was: 0xffff880026f02000
|
|
|
|
ips = range(0x9000, 0xf000, 8)
|
|
sps = range(0x0000, 0x6000, 8)
|
|
|
|
for i, (ip, sp) in enumerate(zip(ips, sps)):
|
|
self.init_unicorn(ip_base + ip, sp_base + sp, mg_base + i * 8)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
regress.main()
|