[COMMITTED] sparc: Fix sparc32 Fix argument passing to __libc_start_main (BZ 32981)

[Andreas Schwab]

On Jun 18 2025, Adhemerval Zanella wrote:

> diff --git a/sysdeps/sparc/sparc32/start.S b/sysdeps/sparc/sparc32/start.S
> index cef7c96cac..8393760da6 100644
> --- a/sysdeps/sparc/sparc32/start.S
> +++ b/sysdeps/sparc/sparc32/start.S
> @@ -35,6 +35,7 @@
>  
>  #include <sysdep.h>
>  
> +#define FRAME_SIZE 104
>  
>  	.section ".text"
>  	.align 4
> @@ -48,12 +49,12 @@ _start:
>    /* Terminate the stack frame, and reserve space for functions to
>       drop their arguments.  */
>  	mov	%g0, %fp
> -	sub	%sp, 6*4, %sp
> +	sub	%sp, FRAME_SIZE, %sp
>  
>    /* Extract the arguments and environment as encoded on the stack.  The
>       argument info starts after one register window (16 words) past the SP.  */
> -	ld	[%sp+22*4], %o1
> -	add	%sp, 23*4, %o2
> +	ld	[%sp+168], %o1
> +	add	%sp, 172, %o2

FRAME_SIZE+64?

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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"And now for something completely different."