Hi Jason,
McMullan, Jason schrieb:
> On Wed, 2008-06-25 at 07:44 +0200, Jens Gehrlein wrote:
>> I have the same problem. When I modify the source code the compiler may
>> or may not rearrange the functions. It is not guaranteed, that the main
>> function always starts at the same address.
>>
>> How can this be solved? Is it possible/meaningful to put the main
>> function into a separate linker segment? Any suggestions?
>
> The simplest way I've found is to make the following C file:
>
> --- _start.c ---
> void _start(void)
> {
> extern int main(int argc, char **argv);
> char *args[] = { "myprogramname", "-foo", "bar", /* etc. etc. */ };
> main(sizeof(args)/sizeof(args[0]), args);
> /* Wait forever after the program ends */
> for (;;);
> }
> -----------------
>
> Then, link '_start.o' before *any* other objects in your link step.
>
> Voila! The text entry should be _start!
>
> Feel free to add BSS initialization, etc. in _start as needed.
Very nice. Thank you for this tip!
Best Regards,
Jens
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