asm-ppc64/ptrace.h / fscpr

Steve Munroe sjmunroe at us.ibm.com
Thu May 20 06:17:30 EST 2004


Marcus Meissner <meissner at suse.de> wrote on 05/19/2004 10:44:26 AM:

>
> The fpscr offset is wrong, it is at position 32 in the FPR array on
ppc64.
>
> Found by IBM gdb testing.
>
> I have the vague suspicion the ptrace32 compat handling might be broken
too,
> but I have to check.
>

#define PT_FPR0 48
#define PT_FPSCR (PT_FPR0 + 32 + 1)

So how is this wrong? Is the kernel storing the FPSCR in the wrong slot?


Steven J. Munroe
Linux on Power Toolchain Architect
IBM Corporation, Linux Technology Center


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