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Wed, 07 Oct 2026 09:45:39 +0000 Message-ID: <91f75886-e7fd-4e38-8af2-c4b676a92089@suse.de> Date: Wed, 7 Oct 2026 11:45:38 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 6/7] [gdb/tui] Handle section holes when forward disassembling To: Tom Tromey Cc: gdb-patches@sourceware.org References: <20260909094849.2745086-1-tdevries@suse.de> <20260909094849.2745086-7-tdevries@suse.de> <87ld97y6na.fsf@tromey.com> <255d0dd3-6b7e-4bfc-800a-2aedfecbdcab@suse.de> <87tsnghsp8.fsf@tromey.com> Content-Language: en-US From: Tom de Vries In-Reply-To: <87tsnghsp8.fsf@tromey.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [-4.28 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-0.99)[-0.993]; NEURAL_HAM_SHORT(-0.20)[-0.982]; MIME_GOOD(-0.10)[text/plain]; XM_UA_NO_VERSION(0.01)[]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_TLS_ALL(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[sourceware.org:url, suse.de:email, imap1.dmz-prg2.suse.org:helo] X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org On 9/23/26 5:51 PM, Tom Tromey wrote: >>>>>> "Tom" == Tom de Vries writes: > >>> I'm not sure this is the best test. SEC_ALLOC can be set for data >>> sections as well; e.g. from 'objdump -h' on gdb: >>> 13 .rodata 00dc0acc 0000000001064d80 0000000001064d80 >>> 00c64d80 2**7 >>> CONTENTS, ALLOC, LOAD, READONLY, DATA >>> Probably you want SEC_CODE or maybe SEC_ALLOC|SEC_CODE, though I >>> don't >>> know if you can ever have code that isn't also 'alloc' (like, what would >>> be the point). >>> > > Tom> That was my approach in v1, but it got comments [1], so I'm leaving > Tom> that for now. > > I think there's a difference between having the "disassemble" command > accept data addresses and show the disassembly, and the idea that paging > through the code might also show data sections. > > In the former case, gdb is doing something the user explicitly asked > for. > > In the latter case, though, gdb is probably just showing garbage. I've submitted a v4 ( https://sourceware.org/pipermail/gdb-patches/2026-October/230915.html ) that includes an RFC patch that skips over data sections when scrolling. Thanks, - Tom