Re: Win32 function call using GNU assembler
Robert Plantz <[email protected]>
| Newsgroups | gmane.linux.assembly |
|---|---|
| Message-ID | <[email protected]> |
What do you mean by "not working"? What is the behavior?
I do note that the
add $48, %esp
instruction is irrelevant since it is immediately followed by
movl %ebp, %esp
BTW, I'm not a Win32 programmer, so I don't know if I can add any
further insight.
-- Bob
On Wed, 2009-09-02 at 13:41 +0530, uglyhunK wrote:
> Hi,
>
> The following assembly source is not working. Really not sure where I'm going wrong.
> Any guidance will be appreciated.
>
> .section .data
> CLASS_NAME:
> .ascii "M\0a\0i\0n\0\0\0" # Main
> WINDOW_NAME:
> .ascii "A\0S\0M\0 \0W\0i\0n\0d\0o\0w\0\0\0" # ASM Window
>
> .section .text
> .globl _WinMain@16
> _WinMain@16:
> # function prologue
> pushl %ebp
> movl %esp, %ebp
>
> pushl $0 # LPVOID lpParam
> movl 8(%ebp), %eax
> pushl %eax # HINSTANCE hInstance
> pushl $0 # HMENU hMenu
> pushl $0 # HWND hWndParent
> pushl $120 # nHeight
> pushl $240 # nWidth
> pushl $-2147483648 # y
> pushl $-2147483648 # x
> pushl $13565952 # dwStyle
> pushl $WINDOW_NAME # lpWindowName
> pushl $CLASS_NAME # lpClassName
> pushl $512 # dwExStyle
> call _CreateWindowExA@48
> add $48, %esp
>
> # function epilogue
> movl %ebp, %esp
> popl %ebp
> ret
>
> Thank you--
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