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40 lines
790 B
Text
40 lines
790 B
Text
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; The Visual C++ CRT unconditionally links to IsDebuggerPresent.
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; This function is not available under Windows 95, so here is a
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; lowlevel replacement for it.
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extern __imp__GetModuleHandleA@4
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extern __imp__GetProcAddress@8
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SECTION .data
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global __imp__IsDebuggerPresent@0
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__imp__IsDebuggerPresent@0:
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dd IsDebuggerPresent_Check
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SECTION .rdata
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StrKERNEL32:
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db "KERNEL32",0
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StrIsDebuggerPresent:
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db "IsDebuggerPresent",0
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SECTION .text
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IsDebuggerPresent_No:
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xor eax,eax
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ret
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IsDebuggerPresent_Check:
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push StrKERNEL32
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call [__imp__GetModuleHandleA@4]
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push StrIsDebuggerPresent
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push eax
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call [__imp__GetProcAddress@8]
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test eax,eax
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jne near .itis
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mov eax,IsDebuggerPresent_No
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.itis
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mov [__imp__IsDebuggerPresent@0],eax
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jmp eax
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