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added expect output to fpu_ip.py
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@ -4,7 +4,7 @@ from unicorn.x86_const import *
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from capstone import *
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ESP = 0x2000
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PAGE_SIZE = 0x8000
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PAGE_SIZE = 2 * 1024 * 1024
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# mov [esp], DWORD 0x37f
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# fldcw [esp]
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@ -40,7 +40,6 @@ def mem_reader(addr, size):
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mu = Uc(UC_ARCH_X86, UC_MODE_32)
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mu.mem_map(0x0, PAGE_SIZE)
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mu.mem_map(0x4000, PAGE_SIZE)
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mu.mem_write(0x4000, CODE)
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mu.reg_write(UC_X86_REG_ESP, ESP)
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mu.hook_add(UC_HOOK_CODE, hook_code)
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@ -49,4 +48,14 @@ mu.hook_add(UC_HOOK_CODE, hook_code)
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mu.emu_start(0x4000, 0, 0, 5)
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esp = mu.reg_read(UC_X86_REG_ESP)
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print("value at ESP [0x%X - 4]: " % esp)
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mem_reader(esp + 14, 4)
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mem_reader(esp + 14, 4)
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# EXPECTED OUTPUT:
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# 0x4000: mov dword ptr [esp], 0x37f
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# 0x4007: fldcw word ptr [esp]
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# 0x400A: fnop
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# 0x400C: fnstenv dword ptr [esp + 8]
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# 0x4010: pop ecx
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# value at ESP [0x2004 - 4]:
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# 0x0 0x0 0xa 0x40
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# ^ this value should match the fnop instuction addr
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