diff options
Diffstat (limited to 'patches/gdb/6.3/620-debian_static-thread-db.patch')
| -rw-r--r-- | patches/gdb/6.3/620-debian_static-thread-db.patch | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/patches/gdb/6.3/620-debian_static-thread-db.patch b/patches/gdb/6.3/620-debian_static-thread-db.patch deleted file mode 100644 index c5ac5a6..0000000 --- a/patches/gdb/6.3/620-debian_static-thread-db.patch +++ /dev/null @@ -1,156 +0,0 @@ -Status: submitted similar patch 2004-12-08 - -This patch cleans up the initialization of thread_db. It works for static -binaries now. The vsyscall patches hide this problem, since new static -binaries will load the vsyscall DSO and then trigger thread_db; but -this is still a good cleanup. - -Index: gdb-6.3/gdb/thread-db.c -=================================================================== ---- gdb-6.3.orig/gdb/thread-db.c 2004-10-08 16:29:56.000000000 -0400 -+++ gdb-6.3/gdb/thread-db.c 2004-11-10 00:19:30.626530413 -0500 -@@ -34,6 +34,7 @@ - #include "target.h" - #include "regcache.h" - #include "solib-svr4.h" -+#include "observer.h" - - #ifdef HAVE_GNU_LIBC_VERSION_H - #include <gnu/libc-version.h> -@@ -627,59 +628,49 @@ check_thread_signals (void) - #endif - } - -+/* Check whether thread_db is usable. This function is called when -+ an inferior is created (or otherwise acquired, e.g. attached to) -+ and when new shared libraries are loaded into a running process. */ -+ - static void --thread_db_new_objfile (struct objfile *objfile) -+check_for_thread_db (void) - { - td_err_e err; -+ static int already_loaded; - - /* First time through, report that libthread_db was successfuly - loaded. Can't print this in in thread_db_load as, at that stage, -- the interpreter and it's console haven't started. The real -- problem here is that libthread_db is loaded too early - it should -- only be loaded when there is a program to debug. */ -- { -- static int dejavu; -- if (!dejavu) -- { -- Dl_info info; -- const char *library = NULL; -- /* Try dladdr. */ -- if (dladdr ((*td_ta_new_p), &info) != 0) -- library = info.dli_fname; -- /* Try dlinfo? */ -- if (library == NULL) -- /* Paranoid - don't let a NULL path slip through. */ -- library = LIBTHREAD_DB_SO; -- printf_unfiltered ("Using host libthread_db library \"%s\".\n", -- library); -- dejavu = 1; -- } -- } -+ the interpreter and it's console haven't started. */ - -- /* Don't attempt to use thread_db on targets which can not run -- (core files). */ -- if (objfile == NULL || !target_has_execution) -+ if (!already_loaded) - { -- /* All symbols have been discarded. If the thread_db target is -- active, deactivate it now. */ -- if (using_thread_db) -- { -- gdb_assert (proc_handle.pid == 0); -- unpush_target (&thread_db_ops); -- using_thread_db = 0; -- } -+ Dl_info info; -+ const char *library = NULL; -+ if (dladdr ((*td_ta_new_p), &info) != 0) -+ library = info.dli_fname; -+ -+ /* Try dlinfo? */ - -- goto quit; -+ if (library == NULL) -+ /* Paranoid - don't let a NULL path slip through. */ -+ library = LIBTHREAD_DB_SO; -+ -+ printf_unfiltered ("Using host libthread_db library \"%s\".\n", -+ library); -+ already_loaded = 1; - } - - if (using_thread_db) - /* Nothing to do. The thread library was already detected and the - target vector was already activated. */ -- goto quit; -+ return; -+ -+ /* Don't attempt to use thread_db on targets which can not run -+ (executables not running yet, core files) for now. */ -+ if (!target_has_execution) -+ return; - -- /* Initialize the structure that identifies the child process. Note -- that at this point there is no guarantee that we actually have a -- child process. */ -+ /* Initialize the structure that identifies the child process. */ - proc_handle.pid = GET_PID (inferior_ptid); - - /* Now attempt to open a connection to the thread library. */ -@@ -706,12 +697,24 @@ thread_db_new_objfile (struct objfile *o - thread_db_err_str (err)); - break; - } -+} -+ -+static void -+thread_db_new_objfile (struct objfile *objfile) -+{ -+ if (objfile != NULL) -+ check_for_thread_db (); - --quit: - if (target_new_objfile_chain) - target_new_objfile_chain (objfile); - } - -+static void -+check_for_thread_db_observer (struct target_ops *target, int from_tty) -+{ -+ check_for_thread_db (); -+} -+ - /* Attach to a new thread. This function is called when we receive a - TD_CREATE event or when we iterate over all threads and find one - that wasn't already in our list. */ -@@ -1366,5 +1369,8 @@ _initialize_thread_db (void) - /* Add ourselves to objfile event chain. */ - target_new_objfile_chain = deprecated_target_new_objfile_hook; - deprecated_target_new_objfile_hook = thread_db_new_objfile; -+ -+ /* Register ourselves for the new inferior observer. */ -+ observer_attach_inferior_created (check_for_thread_db_observer); - } - } -Index: gdb-6.3/gdb/Makefile.in -=================================================================== ---- gdb-6.3.orig/gdb/Makefile.in 2004-11-09 23:04:57.000000000 -0500 -+++ gdb-6.3/gdb/Makefile.in 2004-11-10 00:19:26.440347022 -0500 -@@ -2626,7 +2626,8 @@ thread.o: thread.c $(defs_h) $(symtab_h) - $(gdbcmd_h) $(regcache_h) $(gdb_h) $(gdb_string_h) $(ui_out_h) - thread-db.o: thread-db.c $(defs_h) $(gdb_assert_h) $(gdb_proc_service_h) \ - $(gdb_thread_db_h) $(bfd_h) $(gdbthread_h) $(inferior_h) \ -- $(symfile_h) $(objfiles_h) $(target_h) $(regcache_h) $(solib_svr4_h) -+ $(symfile_h) $(objfiles_h) $(target_h) $(regcache_h) $(solib_svr4_h) \ -+ $(observer_h) - top.o: top.c $(defs_h) $(gdbcmd_h) $(call_cmds_h) $(cli_cmds_h) \ - $(cli_script_h) $(cli_setshow_h) $(cli_decode_h) $(symtab_h) \ - $(inferior_h) $(target_h) $(breakpoint_h) $(gdbtypes_h) \ |