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

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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
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13
regress/jmp_ebx_hang.py
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@ -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"