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Date: Thu, 12 Apr 2012 16:38:00 -0000
Message-ID: <CAMe9rOoQOhMdgx=wbXBbZ03-a+cRsecSwA97+kOtiZjzHk_+DA@mail.gmail.com>
Subject: Re: PATCH: PR gdb/13969: GDBserver doesn't check unsupported binary
From: "H.J. Lu" <hjl.tools@gmail.com>
To: Pedro Alves <palves@redhat.com>
Cc: GDB <gdb-patches@sourceware.org>
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On Thu, Apr 12, 2012 at 8:57 AM, Pedro Alves <palves@redhat.com> wrote:
> On 04/12/2012 04:37 PM, H.J. Lu wrote:
>
>> It doesn't work since x32 is a 32-bit process. =A0Although x32
>> GDBserver can get registers of 64-bit process, =A0it can't handle 64-bit=
 address
>
>> in 64b-bit process, like setting break points.
>
> Oh yeah... =A0PowerPC has PPC_PTRACE_PEEKDATA_3264/PPC_PTRACE_POKEDATA_32=
64
> for that, but well, it's PowerPC specific.
>

Also x32 siginfo is different from 64bit signfo. X32 ptrace can't get 64bit
siginfo due to address fields in siginfo.

--=20
H.J.