mirrors/unicorn
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use asserts instead of print statements on the correct paths to avoid confusing

Browse Source 
people as to what the success indicator is here.
This commit is contained in:
Sean Heelan 2015-08-30 22:50:47 +07:00
parent 1b6469e60f
commit 4b05e736a1
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
regress/jmp_ebx_hang.py
View File

@ -8,21 +8,26 @@ CODE = b'\xff\xe3'
mu = unicorn.Uc(unicorn.UC_ARCH_X86, unicorn.UC_MODE_32) mu = unicorn.Uc(unicorn.UC_ARCH_X86, unicorn.UC_MODE_32)
mu.mem_map(CODE_ADDR, 1024 * 4) mu.mem_map(CODE_ADDR, 1024 * 4)
mu.mem_write(CODE_ADDR, CODE) mu.mem_write(CODE_ADDR, CODE)
# If EBX is zero then an exception is raised, as expected
mu.reg_write(unicorn.x86_const.UC_X86_REG_EBX, 0x0) mu.reg_write(unicorn.x86_const.UC_X86_REG_EBX, 0x0)
print "jmp ebx, with ebx == 0"
try: try:
mu.emu_start(CODE_ADDR, CODE_ADDR + 2, count=1) mu.emu_start(CODE_ADDR, CODE_ADDR + 2, count=1)
except unicorn.UcError as e: except unicorn.UcError as e:
print "Error: %s" % e assert(e.errno == unicorn.UC_ERR_CODE_INVALID)
else:
assert(False)
mu = unicorn.Uc(unicorn.UC_ARCH_X86, unicorn.UC_MODE_32) mu = unicorn.Uc(unicorn.UC_ARCH_X86, unicorn.UC_MODE_32)
mu.mem_map(CODE_ADDR, 1024 * 4) mu.mem_map(CODE_ADDR, 1024 * 4)
# If we write this address to EBX then the emulator hangs on emu_start # If we write this address to EBX then the emulator hangs on emu_start
mu.reg_write(unicorn.x86_const.UC_X86_REG_EBX, 0xaa96a47f) mu.reg_write(unicorn.x86_const.UC_X86_REG_EBX, 0xaa96a47f)
mu.mem_write(CODE_ADDR, CODE) mu.mem_write(CODE_ADDR, CODE)
print "jmp ebx, with ebx == 0xaa96a47f"
try: try:
mu.emu_start(CODE_ADDR, CODE_ADDR + 2, count=1) mu.emu_start(CODE_ADDR, CODE_ADDR + 2, count=1)
except unicorn.UcError as e: except unicorn.UcError as e:
print "Error: %s" % e assert(e.errno == unicorn.UC_ERR_CODE_INVALID)
else:
assert(False)
print "Success"