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Mon, 21 Sep 2026 20:55:58 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 7SRYDN6ZsWo9UQAAD6G6ig:T3 (envelope-from ) for ; Mon, 21 Sep 2026 20:55:58 +0000 From: Tom de Vries To: gdb-patches@sourceware.org Subject: [PATCH v3 2/5] [gdb] Add section_addrmap Date: Mon, 21 Sep 2026 22:55:54 +0200 Message-ID: <20260921205557.2706300-3-tdevries@suse.de> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260921205557.2706300-1-tdevries@suse.de> References: <20260921205557.2706300-1-tdevries@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 30AD01FE17 X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Rspamd-Action: no action X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim,suse.de:mid,imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:104:10:150:64:97:from]; PREVIOUSLY_DELIVERED(0.00)[gdb-patches@sourceware.org]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RCVD_TLS_ALL(0.00)[]; TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+] 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 Add a function section_addrmap that returns an addrmap that maps addresses to sections, mapping the same way as find_pc_section does. --- gdb/objfiles.c | 27 +++++++++++++++++++++++++++ gdb/objfiles.h | 6 ++++++ 2 files changed, 33 insertions(+) diff --git a/gdb/objfiles.c b/gdb/objfiles.c index 453397c4f43..2b03f424756 100644 --- a/gdb/objfiles.c +++ b/gdb/objfiles.c @@ -984,6 +984,33 @@ find_pc_section (CORE_ADDR pc) return NULL; } +/* See objfiles.h. */ + +std::unique_ptr +section_addrmap () +{ + std::unique_ptr res (new addrmap_mutable ()); + + /* Insert mapped overlay sections first. */ + if (overlay_debugging) + for (objfile &objfile : current_program_space->objfiles ()) + for (obj_section &osect : objfile.sections ()) + if (section_is_mapped (&osect)) + res->set_empty (osect.addr (), osect.endaddr () - 1, &osect); + + update_section_map (current_program_space); + + struct objfile_pspace_info *pspace_info + = get_objfile_pspace_data (current_program_space); + + for (int i = 0; i < pspace_info->num_sections; ++i) + { + obj_section *s = pspace_info->sections[i]; + res->set_empty (s->addr (), s->endaddr () - 1, s); + } + + return res; +} /* Return non-zero if PC is in a section called NAME. */ diff --git a/gdb/objfiles.h b/gdb/objfiles.h index fa265f83b79..b193aec3be7 100644 --- a/gdb/objfiles.h +++ b/gdb/objfiles.h @@ -38,6 +38,7 @@ struct htab; struct objfile_data; struct partial_symbol; +struct addrmap_mutable; /* This structure maintains information on a per-objfile basis about the "entry point" of the objfile, and the scope within which the entry point @@ -956,6 +957,11 @@ extern void objfile_purge_solibs (program_space *pspace); extern struct obj_section *find_pc_section (CORE_ADDR pc); +/* Returns an addrmap mapping addresses to sections, similar to how + find_pc_section maps. */ + +extern std::unique_ptr section_addrmap (); + /* Return true if PC is in a section called NAME. */ extern bool pc_in_section (CORE_ADDR, const char *); -- 2.51.0