Thread (5 messages) 5 messages, 5 authors, 2007-04-30

Re: Incorrect order of last two arguments of ptrace for requests PPC_PTRACE_GETREGS, SETREGS, GETFPREGS, SETFPREGS

From: Paul Mackerras <hidden>
Date: 2007-04-30 05:49:40
Also in: lkml

Anton Blanchard writes:
I looked at this a while ago and my decision at the time was to keep the
old implementation around for a while and create two new ones that match
the x86 numbering:

#define PTRACE_GETREGS            12
#define PTRACE_SETREGS            13
#define PTRACE_GETFPREGS          14
#define PTRACE_SETFPREGS          15

I hate gratuitous differences, each ptrace app ends up with a sea of
ifdefs.

Also I think it would be worth changing getregs/setregs to grab the
entire pt_regs structure. Otherwise most ops (gdb, strace etc) will just
have to make multiple ptrace calls to get the nia etc.
Did you do a patch to do that?

Paul.
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