From: Yao Qi <qiyaoltc@gmail.com>
To: Edjunior Machado <edjunior@gmail.com>
Cc: GDB Patches <gdb-patches@sourceware.org>
Subject: Re: ppc64* native-gdbserver testsuite hangs on gdb.threads/process-dies-while-handling-bp.exp
Date: Wed, 20 Dec 2017 21:35:00 -0000 [thread overview]
Message-ID: <CAH=s-POmg=2tPfqC1=a4QzN4gxs-wJT7JkhQjTrkeKVndbxk8g@mail.gmail.com> (raw)
In-Reply-To: <CAH=s-PNe-YyzBAvowg5y3PgxVOh6kuPcHBuFN8x2qz5WeaRAUg@mail.gmail.com>
On Wed, Dec 20, 2017 at 4:23 PM, Yao Qi <qiyaoltc@gmail.com> wrote:
> Is it gdb.base/watchpoints.exp? My regression test running on gcc110
> is very slow, blocked by gdb.base/watchpoints.exp. The test needs two
> HW watchpoints, but ppc only has one HW watchpoint register. GDB
> native can do resource counting, so it is smart enough to switch to
> SW wathcpoint if there is not enough HW watchpoint registers. However,
> GDB remote can *not* do resource counting, so GDB fails to insert
> watchpoints, and all the following tests timeout.
>
Looks ppc64-linux gdbserver doesn't support watchpoint, so we need
to improve test cases to probe hw watchpoint support. See
test "set probe hw watchpoint" in watchpoint-stops-at-right-insn.exp.
--
Yao (齐尧)
next prev parent reply other threads:[~2017-12-20 21:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-19 9:17 Edjunior Machado
2017-12-19 16:27 ` Yao Qi
2017-12-19 17:51 ` Yao Qi
2017-12-20 15:24 ` Edjunior Machado
2017-12-20 16:23 ` Yao Qi
2017-12-20 21:35 ` Yao Qi [this message]
2017-12-21 16:02 ` Edjunior Machado
2018-01-16 9:12 ` Yao Qi
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