From: Pedro Alves <pedro@palves.net>
To: Simon Marchi <simon.marchi@efficios.com>, gdb-patches@sourceware.org
Subject: Re: [PATCH 2/2] gdb/doc: describe x87 registers
Date: Fri, 8 Sep 2023 18:03:14 +0100 [thread overview]
Message-ID: <f6d283eb-260a-0728-2118-70329b788b17@palves.net> (raw)
In-Reply-To: <20230908152102.32731-2-simon.marchi@efficios.com>
On 2023-09-08 16:20, Simon Marchi via Gdb-patches wrote:
> While investigating this [1], I initially had no idea what register
> "fioff" stood for, making it difficult to map it to something in the
> Intel or AMD manuals. Similarly, I can imaging someone familiar with
> x87 to want to print the "x87 last instruction address", and have no
> clue that GDB makes it available as register "fioff". The names of the
> x87 state fields don't seem to be standardized, they even change between
> sections of the Intel manual (between the FSAVE, FXSAVE and XSAVE area
> descriptions).
>
> Add some details to the doc to help one map GDB register names to x87
> state fields.
>
Thanks for implementing this! Just one nit below:
> +@subsubsection x87 registers
> +
> +GDB provides access to the x87 state through the following registers:
GDB -> @value{GDBN}
next prev parent reply other threads:[~2023-09-08 17:03 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-08 15:20 [PATCH 1/2] gdb/doc: rename "x86 Architecture-specific Issues" section to "x86" Simon Marchi
2023-09-08 15:20 ` [PATCH 2/2] gdb/doc: describe x87 registers Simon Marchi
2023-09-08 15:35 ` Eli Zaretskii
2023-09-08 17:03 ` Pedro Alves [this message]
2023-09-08 17:16 ` Simon Marchi
2023-09-08 15:37 ` [PATCH 1/2] gdb/doc: rename "x86 Architecture-specific Issues" section to "x86" Eli Zaretskii
2023-09-08 17:17 ` Simon Marchi
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