From: Paul Koning <paulkoning@comcast.net>
To: "Maciej W. Rozycki" <macro@orcam.me.uk>
Cc: Segher Boessenkool <segher@kernel.crashing.org>, gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] Turn on LRA on all targets
Date: Thu, 15 Feb 2024 17:21:03 -0500 [thread overview]
Message-ID: <2A759520-2D62-472E-A97F-35E09B6E50F5@comcast.net> (raw)
In-Reply-To: <alpine.DEB.2.21.2305152104010.11892@angie.orcam.me.uk>
> On May 15, 2023, at 5:09 PM, Maciej W. Rozycki <macro@orcam.me.uk> wrote:
>
> ...
>
> I may choose to implement a non-DWARF unwinder instead, as the VAX stack
> frame is always fully described by the hardware and there is never ever a
> need for debug information to be able to decode any VAX stack frame (the
> RET machine instruction uses the stack frame information to restore the
> previous PC, FP, SP, AP and any static registers saved by CALLS).
That would make sense; it's like the heuristic unwinder found in some other targets (I remember the MIPS one, which worked fairly well and allowed debugging without useable debug data).
paul
next prev parent reply other threads:[~2024-02-15 22:21 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-23 16:47 Segher Boessenkool
2023-04-23 17:01 ` Jeff Law
2023-04-23 20:23 ` Segher Boessenkool
2023-04-24 8:42 ` Andreas Schwab
2023-04-23 18:36 ` Paul Koning
2023-04-23 20:19 ` Segher Boessenkool
2023-04-23 18:56 ` Maciej W. Rozycki
2023-04-23 20:33 ` Segher Boessenkool
2023-05-15 21:09 ` Maciej W. Rozycki
2023-05-15 21:16 ` Sam James
2024-02-15 19:34 ` Sam James
2024-02-15 22:56 ` Segher Boessenkool
2024-02-16 1:41 ` Paul Koning
2024-02-16 10:22 ` Segher Boessenkool
2024-02-15 22:21 ` Paul Koning [this message]
2024-02-16 11:34 ` Maciej W. Rozycki
2024-02-16 13:47 ` Segher Boessenkool
2024-02-16 14:23 ` Maciej W. Rozycki
2024-02-16 14:31 ` Jakub Jelinek
2024-02-16 17:01 ` Maciej W. Rozycki
2024-02-17 0:38 ` Maciej W. Rozycki
2024-02-16 14:50 ` Paul Koning
2023-04-23 21:06 ` Uros Bizjak
2023-04-24 9:17 ` Segher Boessenkool
2023-04-24 9:46 ` Uros Bizjak
2023-04-29 14:38 ` Segher Boessenkool
2023-04-24 8:19 ` Richard Biener
2023-04-24 9:44 ` Segher Boessenkool
2023-04-30 19:52 ` Jeff Law
2023-04-29 13:37 Roger Sayle
2023-04-29 15:06 ` Jeff Law
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