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Thu, 14 Mar 2024 09:53:47 +0000 From: Tom de Vries To: gdb-patches@sourceware.org Subject: [PATCH] [gdb/build] Fix build on postmarketos Date: Thu, 14 Mar 2024 10:54:40 +0100 Message-Id: <20240314095440.23256-1-tdevries@suse.de> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 X-Spamd-Bar: + Authentication-Results: smtp-out2.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=xeWfo9pP; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=YnqXz31q X-Spamd-Result: default: False [1.18 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; URIBL_BLOCKED(0.00)[suse.de:dkim,sourceware.org:url]; FROM_HAS_DN(0.00)[]; R_MISSING_CHARSET(2.50)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[gdb-patches@sourceware.org]; BROKEN_CONTENT_TYPE(1.50)[]; DWL_DNSWL_HI(-3.50)[suse.de:dkim]; RCPT_COUNT_ONE(0.00)[1]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_NONE(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DKIM_TRACE(0.00)[suse.de:+]; MX_GOOD(-0.01)[]; MID_CONTAINS_FROM(1.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim,sourceware.org:url]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_ALL(0.00)[]; BAYES_HAM(-0.01)[49.92%]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from] X-Spam-Score: 1.18 X-Rspamd-Queue-Id: E39D11F843 X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Status: No, score=-12.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org 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+patchwork=sourceware.org@sourceware.org I tried building gdbserver on postmarketos (which is based on alpine linux, which uses musl libc), and ran into: ... gdbserver/linux-low.cc: In lambda function: gdbserver/linux-low.cc:1907:41: error: \ 'W_EXITCODE' was not declared in this scope 1907 | mark_lwp_dead (leader_lp, W_EXITCODE (0, 0), true); | ^~~~~~~~~~ ... The macro W_EXITCODE is not defined in gdbsupport/gdb_wait.h, but WSETEXIT is: ... /* These are not defined in POSIX, but are used by our programs. */ #ifndef WSETEXIT # ifdef W_EXITCODE #define WSETEXIT(w,status) ((w) = W_EXITCODE(status,0)) # else #define WSETEXIT(w,status) ((w) = (0 | ((status) << 8))) # endif #endif ... Fix this by using WSETEXIT. Tested on x86_64-linux. PR build/31483 Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31483 --- gdbserver/linux-low.cc | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) base-commit: 3a4c6f1aa958739705ee69526fdeed7c69d7243c diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc index 9d5a6242803..aaa7bbc2a4c 100644 --- a/gdbserver/linux-low.cc +++ b/gdbserver/linux-low.cc @@ -1904,7 +1904,9 @@ linux_process_target::check_zombie_leaders () thread_info *leader_thread = get_lwp_thread (leader_lp); if (report_exit_events_for (leader_thread)) { - mark_lwp_dead (leader_lp, W_EXITCODE (0, 0), true); + int wstat; + WSETEXIT (wstat, 0); + mark_lwp_dead (leader_lp, wstat, true); new_pending_event = true; } else