From: Pedro Franco de Carvalho <pedromfc@linux.vnet.ibm.com>
To: Ulrich Weigand <uweigand@de.ibm.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH 5/8] [PowerPC] Fix access to VSCR in linux targets
Date: Thu, 17 May 2018 21:25:00 -0000 [thread overview]
Message-ID: <878t8if277.fsf@linux.vnet.ibm.com> (raw)
In-Reply-To: <20180516140403.C603FD80322@oc3748833570.ibm.com>
Ulrich Weigand <uweigand@de.ibm.com> writes:
> I'm wondering if we shouldn't have the common regcache_collect_regset
> routine zero out areas covered by REGCACHE_MAP_SKIP? Then we wouldn't
> need this extra routine here.
>
>> -static const struct regset ppc32_linux_vrregset = {
>> - &ppc32_linux_reg_offsets,
>> - ppc_supply_vrregset,
>> - ppc_collect_vrregset
I think this might affect the s390 target: in s390-linux-nat,
fill_gregset uses collect_regset on a buffer that has already been
filled through ptrace (PTRACE_PEEKUSR_AREA), which is then used to
extract pswm, so it relies on collect_regset not changing the buffer on
the skipped slots.
next prev parent reply other threads:[~2018-05-17 20:37 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-10 19:59 [PATCH 0/8] [PowerPC] Miscellaneous fixes for register access Pedro Franco de Carvalho
2018-05-10 19:59 ` [PATCH 3/8] [PowerPC] Disable regsets using zero sizes in gdbserver Pedro Franco de Carvalho
2018-05-16 16:17 ` Ulrich Weigand
2018-05-10 19:59 ` [PATCH 4/8] [PowerPC] Consolidate linux vector regset sizes Pedro Franco de Carvalho
2018-05-16 16:35 ` Ulrich Weigand
2018-05-10 19:59 ` [PATCH 1/8] [PowerPC] Consolidate linux target description selection Pedro Franco de Carvalho
2018-05-16 14:05 ` Ulrich Weigand
2018-05-16 22:50 ` Pedro Franco de Carvalho
2018-05-17 8:28 ` Ulrich Weigand
2018-05-10 20:00 ` [PATCH 8/8] [PowerPC] Recognize isa205 in linux core files Pedro Franco de Carvalho
2018-05-16 15:53 ` Ulrich Weigand
2018-05-16 23:32 ` Pedro Franco de Carvalho
2018-05-17 10:22 ` Ulrich Weigand
2018-05-21 20:46 ` Pedro Franco de Carvalho
2018-05-22 12:48 ` Ulrich Weigand
2018-05-22 14:33 ` Pedro Franco de Carvalho
2018-05-10 20:33 ` [PATCH 6/8] [PowerPC] Fix VSX registers " Pedro Franco de Carvalho
2018-05-16 14:18 ` Ulrich Weigand
2018-05-10 20:33 ` [PATCH 2/8] [PowerPC] Consolidate wordsize getter between native and gdbserver Pedro Franco de Carvalho
2018-05-16 15:54 ` Ulrich Weigand
2018-05-10 21:46 ` [PATCH 5/8] [PowerPC] Fix access to VSCR in linux targets Pedro Franco de Carvalho
2018-05-16 14:06 ` Ulrich Weigand
2018-05-17 21:25 ` Pedro Franco de Carvalho [this message]
2018-05-18 15:37 ` Ulrich Weigand
2018-05-21 20:46 ` Pedro Franco de Carvalho
2018-05-22 12:56 ` Ulrich Weigand
2018-05-10 22:25 ` [PATCH 7/8] [PowerPC] Fix inclusion of dfp pseudoregs in tdep Pedro Franco de Carvalho
2018-05-16 14:18 ` Ulrich Weigand
2018-05-21 20:46 ` [PATCH v2 1/8] [PowerPC] Consolidate linux target description selection Pedro Franco de Carvalho
2018-05-21 20:46 ` [PATCH v2 3/8] [PowerPC] Disable regsets using zero sizes in gdbserver Pedro Franco de Carvalho
2018-05-22 12:48 ` Ulrich Weigand
2018-05-21 20:46 ` [PATCH v2 2/8] [PowerPC] Consolidate wordsize getter between native and gdbserver Pedro Franco de Carvalho
2018-05-22 12:56 ` Ulrich Weigand
2018-05-21 20:46 ` [PATCH v2 4/8] [PowerPC] Consolidate linux vector regset sizes Pedro Franco de Carvalho
2018-05-22 12:48 ` Ulrich Weigand
2018-05-21 23:45 ` [PATCH v2 5/8] [PowerPC] Fix access to VSCR in linux targets Pedro Franco de Carvalho
2018-05-22 12:56 ` Ulrich Weigand
2018-05-21 23:55 ` [PATCH v2 8/8] [PowerPC] Recognize isa205 in linux core files Pedro Franco de Carvalho
2018-05-22 13:34 ` Ulrich Weigand
2018-05-21 23:56 ` [PATCH v2 7/8] [PowerPC] Fix inclusion of dfp pseudoregs in tdep Pedro Franco de Carvalho
2018-05-22 12:56 ` Ulrich Weigand
2018-05-22 0:54 ` [PATCH v2 6/8] [PowerPC] Fix VSX registers in linux core files Pedro Franco de Carvalho
2018-05-22 13:46 ` Ulrich Weigand
2018-05-22 12:48 ` [PATCH v2 1/8] [PowerPC] Consolidate linux target description selection Ulrich Weigand
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