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To: Kevin Buettner <kevinb@redhat.com>
CC: gdb-patches@sources.redhat.com
Subject: Re: RFA: Don't assume gpr 0 is register number zero
References: <vt2fzbpeyp4.fsf@zenia.home>
From: Jim Blandy <jimb@redhat.com>
Date: Tue, 20 Apr 2004 21:16:00 -0000
In-Reply-To: <vt2fzbpeyp4.fsf@zenia.home>
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Jim Blandy <jimb@redhat.com> writes:

> 2004-03-31  James Blandy  <jimb@redhat.com>
> 
> 	* ppc-linux-nat.c (ppc_register_u_addr): Don't assume that r0 is
> 	register number zero.
> 
> Index: gdb/ppc-linux-nat.c
> ===================================================================
> RCS file: /cvs/src/src/gdb/ppc-linux-nat.c,v
> retrieving revision 1.29
> diff -c -r1.29 ppc-linux-nat.c
> *** gdb/ppc-linux-nat.c	15 Mar 2004 21:35:25 -0000	1.29
> --- gdb/ppc-linux-nat.c	31 Mar 2004 15:23:24 -0000
> ***************
> *** 133,139 ****
>   
>     /* General purpose registers occupy 1 slot each in the buffer */
>     if (regno >= tdep->ppc_gp0_regnum && regno <= tdep->ppc_gplast_regnum )
> !     u_addr =  ((PT_R0 + regno) * wordsize);
>   
>     /* Floating point regs: eight bytes each in both 32- and 64-bit
>        ptrace interfaces.  Thus, two slots each in 32-bit interface, one
> --- 133,139 ----
>   
>     /* General purpose registers occupy 1 slot each in the buffer */
>     if (regno >= tdep->ppc_gp0_regnum && regno <= tdep->ppc_gplast_regnum )
> !     u_addr = ((regno - tdep->ppc_gp0_regnum + PT_R0) * wordsize);
>   
>     /* Floating point regs: eight bytes each in both 32- and 64-bit
>        ptrace interfaces.  Thus, two slots each in 32-bit interface, one