Subj : Re: call stack
To   : borland.public.cpp.borlandcpp
From : Jeff Kish
Date : Tue Dec 21 2004 08:50 am

On Mon, 20 Dec 2004 14:00:30 -0800, Bob Gonder
<notbg@notmindspring.invalid> wrote:

>Jeff Kish wrote:
>
>>Yes, I am running Borland 5.02 with OWL.
>>
>>Is there some way (easy I hope) to get the call stack if I build with
>>debug, and display it somewhere like a messagebox, or a log file?
>
>I don't see a function to help with that, but it shouldn't be hard.
>To help you see every function, turn on Standard Stack Frame option.
>
>The basic functionality (in 32bit Windows code) would be like this:
>(written off-the-cuff, so may be some tweaks needed)
>	First, for reference: How a StackFrame is contructed:
>
>FunctionEntryPoint:
>	push	ebp
>	mov	ebp,esp
>	sub	esp,16	;16 bytes local variables
>	other code
>	mov	esp,ebp
>	pop	ebp
>	ret
>
>How to walk the stack:
>
>	DWORD * pointer;
>	DWORD	return_address;
>	asm	mov	[pointer],ebp;
>Again:
>	asm{
>		mov	eax,[pointer]
>		mov	edx,[eax+4]
>		mov	[return_address],edx
>		mov	eax,[eax]
>		mov	[pointer],eax
>	};
>	printf the return address
>	if( you_want_more_data )
>		goto Again;
>
>
Thanks.
So Bob, I need to embed a small amount of assembly code into the c++
code? Does that mean I need the assembler product?

I am fairly assembly illiterate.
Thanks for any additional pointers,
Jeff Kish

.