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Mail Archives: cygwin/2007/02/03/10:13:07

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Date: Sat, 3 Feb 2007 10:12:46 -0500
From: Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: dllimport and __asm__("_alias" )
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On Sat, Feb 03, 2007 at 11:33:00PM +1300, Danny Smith wrote:
>That is, to do the right thing, we would need to:
>
>extern __declspec(dllimport) void foo (void) __asm__("__imp__bar");
>void call_bar(void)
>{ foo(); }
>
>to get
>_call_bar:
>	pushl	%ebp
>	movl	__imp__bar, %ecx 
>	movl	%esp, %ebp
>	popl	%ebp
>	jmp	*%ecx
>
>Any comments, before I submit the patch to gcc?
>
>Should gcc warn if the asmspec of a dllimport alias lacks the
>"__imp__".

I agree that it shouldn't add the __imp_ automatically.  I don't know if
a warning is necessary, though.

cgf

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