--- /dev/null
+1999-11-08 Ulrich Drepper <drepper@cygnus.com>
+
+ * td_thr_get_info.c: Make sure ti_lid is never zero.
+
+ * proc_service.h: Add ps_getpid prototype.
+
+1999-11-03 Ulrich Drepper <drepper@cygnus.com>
+
+ * thread_dbP.h (ta_ok): New function.
+ * td_ta_new.c: Add new handle to list.
+ * td_ta_delete.c: Remove handle from list.
+ * td_ta_clear_event.c: Use ta_ok to check for correct ta parameter.
+ * td_ta_enable_stats.c: Likewise.
+ * td_ta_event_addr.c: Likewise.
+ * td_ta_event_getmsg.c: Likewise.
+ * td_ta_get_nthreads.c: Likewise.
+ * td_ta_get_ph.c: Likewise.
+ * td_ta_get_stats.c: Likewise.
+ * td_ta_map_id2thr.c: Likewise.
+ * td_ta_map_lwp2thr.c: Likewise.
+ * td_ta_reset_stats.c: Likewise.
+ * td_ta_set_event.c: Likewise.
+ * td_ta_setconcurrency.c: Likewise.
+ * td_ta_thr_iter.c: Likewise.
+
+ * td_ta_tsd_iter.c: Optimize memory retrieving.
+
+ * Versions: New file.
+
+ * td_thr_get_info.c (td_thr_get_info): Initialize ti_traceme.
+
+1999-11-02 Ulrich Drepper <drepper@cygnus.com>
+
+ * td_ta_thr_iter.c (td_ta_thr_iter): Optimize a bit. Read all
+ handles at once.
+
+ * thread_dbP.h (struct th_thragent): Add pthread_handle_num.
+ * td_ta_new.c: Initialize pthread_handle_num.
+ * td_ta_event_getmsg.c: If last event was already reported search
+ for another unreported event.
+
+ * td_thr_get_info.c (td_thr_get_info): Initialize ti_events.
+
+ * Makefile (libthread_db-routines): Add td_ta_set_event,
+ td_ta_event_getmsg, and td_ta_clear_event.
+ * td_ta_clear_event.c: New file.
+ * td_ta_event_getmsg.c: New file.
+ * td_ta_new.c: Get address of __pthread_last_event in target.
+ * td_ta_set_event.c: Don't overwrite old mask, set additional bits.
+ * td_thr_set_event.c: Likewise.
+ * td_thr_clear_event.c: Implement.
+ * thread_db.h: Declare td_ta_clear_event and td_ta_event_getmsg.
+ * thread_dbP.h (struct td_thragent): Add pthread_last_event.
+
+ * td_ta_new.c: Don't test for __pthread_threads_debug. Get address
+ of __pthread_threads_events and fail if this is not possible.
+ * td_ta_event_addr.c: Implement.
+ * td_thr_event_enable.c: Implement.
+ * td_thr_event_getmsg.c: Implement.
+ * td_thr_set_event.c: Implement.
+ * td_ta_set_event.c: New file.
+ * thread_db.h (td_eventbuf_t): Define.
+ Declare td_ta_set_event.
+ * thread_dbP.h (struct td_thragent): Add pthread_threads_eventsp.
+
+ * td_thr_getfpregs.c: For terminated threads return empty structure.
+ * td_thr_getgregs.c: Likewise.
+ * td_thr_setfpregs.c: Likewise.
+ * td_thr_setgregs.c: Likewise.
+
+1999-11-01 Ulrich Drepper <drepper@cygnus.com>
+
+ * thread_db.h: Shuffle types around to make things work for gdb.
+ * thread_dbP.h: Include proc_service.h before thread_db.h.
+
+ * thread_db.h: It's TD_NOLIBTHREAD, not TD_LIBTHREAD.
+ * td_ta_new.c: Likewise.
+
+1999-10-14 Ulrich Drepper <drepper@cygnus.com>
+
+ * td_ta_new.c: p_startfct does not exist anymore.
+
+ * td_thr_get_info.c: Always initialize start function.
+
+ * td_ta_thr_iter.c: Don't return threads which exited (but are not
+ joined).
+
+ * td_thr_validate.c: Don't skip manager thread.
+
+1999-10-13 Ulrich Drepper <drepper@cygnus.com>
+
+ * td_ta_thr_iter.c: Use size of descriptor from *TA.
+ Don't return manager thread before it's actually running.
+ Actually use state parameter to distingusih at least a few states.
+
+ * td_thr_get_info.c: Handle manager thread special. Fill in ti_lid,
+ ti_state, and ti_startfunc fields.
+
+1999-10-12 Andreas Jaeger <aj@suse.de>
+
+ * thread_dbP.h: Include <string.h> for strlen declaration. Remove
+ __libc_write prototype since this is already declared in
+ linuxthreads/internals.h.
+
+1999-10-11 Ulrich Drepper <drepper@cygnus.com>
+
+ * thread_db.h: Fix comment for ti_type.
+
+ * td_thr_get_info.c: Initialize ti_type field.
+
+ * td_ta_thr_iter.c: Also report the manager thread.
+
+1999-10-08 Andreas Jaeger <aj@suse.de>
+
+ * thread_db.h: Fix typos in comments.
+
+ * td_ta_get_nthreads.c (td_ta_get_nthreads): Don't hardcode
+ libpthread library name, get it from <gnu/lib-names.h> instead.
+ * td_ta_new.c (td_ta_new): Likewise.
+
+1999-10-08 Ulrich Drepper <drepper@cygnus.com>
+
+ * shlib-versions: New file.
+
+1999-10-07 Ulrich Drepper <drepper@cygnus.com>
+
+ * Makefile: New file.
+ * proc_service.h: New file.
+ * td_init.c: New file.
+ * td_log.c: New file.
+ * td_ta_delete.c: New file.
+ * td_ta_enable_stats.c: New file.
+ * td_ta_event_addr.c: New file.
+ * td_ta_get_nthreads.c: New file.
+ * td_ta_get_ph.c: New file.
+ * td_ta_get_stats.c: New file.
+ * td_ta_map_id2thr.c: New file.
+ * td_ta_map_lwp2thr.c: New file.
+ * td_ta_new.c: New file.
+ * td_ta_reset_stats.c: New file.
+ * td_ta_setconcurrency.c: New file.
+ * td_ta_thr_iter.c: New file.
+ * td_ta_tsd_iter.c: New file.
+ * td_thr_clear_event.c: New file.
+ * td_thr_dbresume.c: New file.
+ * td_thr_dbsuspend.c: New file.
+ * td_thr_event_enable.c: New file.
+ * td_thr_event_getmsg.c: New file.
+ * td_thr_get_info.c: New file.
+ * td_thr_getfpregs.c: New file.
+ * td_thr_getgregs.c: New file.
+ * td_thr_getxregs.c: New file.
+ * td_thr_getxregsize.c: New file.
+ * td_thr_set_event.c: New file.
+ * td_thr_setfpregs.c: New file.
+ * td_thr_setgregs.c: New file.
+ * td_thr_setprio.c: New file.
+ * td_thr_setsigpending.c: New file.
+ * td_thr_setxregs.c: New file.
+ * td_thr_sigsetmask.c: New file.
+ * td_thr_tsd.c: New file.
+ * td_thr_validate.c: New file.
+ * thread_db.h: New file.
+ * thread_dbP.h: New file.
--- /dev/null
+# Copyright (C) 1999 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public License as
+# published by the Free Software Foundation; either version 2 of the
+# License, or (at your option) any later version.
+
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Library General Public License for more details.
+
+# You should have received a copy of the GNU Library General Public
+# License along with the GNU C Library; see the file COPYING.LIB. If not,
+# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+# Makefile for linuxthreads debug library subdirectory of GNU C Library.
+
+subdir := linuxthreads_db
+
+libthread_db-version = 1
+
+extra-libs = libthread_db
+extra-libs-others := $(extra-libs)
+
+headers = thread_db.h
+libthread_db-routines = td_init td_log td_ta_delete td_ta_get_nthreads \
+ td_ta_get_ph td_ta_map_id2thr td_ta_map_lwp2thr \
+ td_ta_new td_ta_thr_iter td_ta_tsd_iter \
+ td_thr_get_info td_thr_getfpregs td_thr_getgregs \
+ td_thr_getxregs td_thr_getxregsize td_thr_setfpregs \
+ td_thr_setgregs td_thr_setprio td_thr_setsigpending \
+ td_thr_setxregs td_thr_sigsetmask td_thr_tsd \
+ td_thr_validate td_thr_dbsuspend td_thr_dbresume \
+ td_ta_setconcurrency td_ta_enable_stats \
+ td_ta_reset_stats td_ta_get_stats td_ta_event_addr \
+ td_thr_event_enable td_thr_set_event \
+ td_thr_clear_event td_thr_event_getmsg \
+ td_ta_set_event td_ta_event_getmsg \
+ td_ta_clear_event
+
+libthread_db-inhibit-o = $(filter-out .os,$(object-suffixes))
+
+include ../Rules
+
+# Depend on libc.so so a DT_NEEDED is generated in the shared objects.
+# This ensures they will load libc.so for needed symbols if loaded by
+# a statically-linked program that hasn't already loaded it.
+$(objpfx)libpthread.so: $(common-objpfx)libc.so
--- /dev/null
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* The definitions in this file must correspond to those in the debugger. */
+#include <sys/procfs.h>
+
+typedef enum
+{
+ PS_OK, /* generic "call succeeded" */
+ PS_ERR, /* generic. */
+ PS_BADPID, /* bad process handle */
+ PS_BADLID, /* bad lwp identifier */
+ PS_BADADDR, /* bad address */
+ PS_NOSYM, /* p_lookup() could not find given symbol */
+ PS_NOFREGS
+ /*
+ * FPU register set not available for given
+ * lwp
+ */
+} ps_err_e;
+
+
+struct ps_prochandle; /* user defined. */
+
+
+extern ps_err_e ps_pdread(struct ps_prochandle *,
+ psaddr_t, void *, size_t);
+extern ps_err_e ps_pdwrite(struct ps_prochandle *,
+ psaddr_t, const void *, size_t);
+extern ps_err_e ps_ptread(struct ps_prochandle *,
+ psaddr_t, void *, size_t);
+extern ps_err_e ps_ptwrite(struct ps_prochandle *,
+ psaddr_t, const void *, size_t);
+
+extern ps_err_e ps_pglobal_lookup(struct ps_prochandle *,
+ const char *object_name, const char *sym_name, psaddr_t *sym_addr);
+
+
+extern ps_err_e ps_lgetregs(struct ps_prochandle *,
+ lwpid_t, prgregset_t);
+extern ps_err_e ps_lsetregs(struct ps_prochandle *,
+ lwpid_t, const prgregset_t);
+extern ps_err_e ps_lgetfpregs(struct ps_prochandle *,
+ lwpid_t, prfpregset_t *);
+extern ps_err_e ps_lsetfpregs(struct ps_prochandle *,
+ lwpid_t, const prfpregset_t *);
+
+extern pid_t ps_getpid (struct ps_prochandle *);
--- /dev/null
+# The thread debug library
+.*-.*-linux.* libthread_db=1
--- /dev/null
+/* Initialization function of thread debugger support library.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_init (void)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG (__FUNCTION__);
+ return TD_OK;
+}
--- /dev/null
+/* Noop, left for historical reasons.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_log (void)
+{
+ /* This interface is deprecated in the Sun interface. We provide it
+ for compatibility but don't do anyhting ourself. We might in
+ future do some logging if this seems reasonable. */
+ LOG (__FUNCTION__);
+ return TD_OK;
+}
--- /dev/null
+/* Globally disable events.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_clear_event (ta, event)
+ const td_thragent_t *ta;
+ td_thr_events_t *event;
+{
+ td_thr_events_t old_event;
+ int i;
+
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdread (ta->ph, ta->pthread_threads_eventsp,
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Remove the set bits in. */
+ for (i = 0; i < TD_EVENTSIZE; ++i)
+ old_event.event_bits[i] &= ~event->event_bits[i];
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdwrite (ta->ph, ta->pthread_threads_eventsp,
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Detach to target process.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <stdlib.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_delete (td_thragent_t *ta)
+{
+ LOG (__FUNCTION__);
+
+ /* Safety check. */
+ if (ta == NULL || __td_agent_list == NULL)
+ return TD_BADTA;
+
+ /* Remove the handle from the list. */
+ if (ta == __td_agent_list->ta)
+ /* It's the first element of the list. */
+ __td_agent_list = __td_agent_list->next;
+ else
+ {
+ /* We have to search for it. */
+ struct agent_list *runp = __td_agent_list;
+
+ while (runp->next != NULL && runp->next->ta != ta)
+ runp = runp->next;
+
+ if (runp->next == NULL)
+ /* It's not a valid decriptor since it is not in the list. */
+ return TD_BADTA;
+
+ runp->next = runp->next->next;
+ }
+
+ /* The handle was allocated in `td_ta_new'. */
+ free (ta);
+
+ return TD_OK;
+}
--- /dev/null
+/* Enable collection of statistics for process.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_enable_stats (const td_thragent_t *ta, int enable)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ return TD_OK;
+}
--- /dev/null
+/* Get event address.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <gnu/lib-names.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_event_addr (const td_thragent_t *ta, td_event_e event, td_notify_t *addr)
+{
+ td_err_e res = TD_NOEVENT;
+ const char *symbol = NULL;
+
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ switch (event)
+ {
+ case TD_CREATE:
+ symbol = "__linuxthreads_create_event";
+ break;
+
+ case TD_DEATH:
+ symbol = "__linuxthreads_death_event";
+ break;
+
+ case TD_REAP:
+ symbol = "__linuxthreads_reap_event";
+ break;
+
+ default:
+ /* Event cannot be handled. */
+ break;
+ }
+
+ /* Now get the address. */
+ if (symbol != NULL)
+ {
+ psaddr_t taddr;
+
+ if (ps_pglobal_lookup (ta->ph, LIBPTHREAD_SO, symbol, &taddr) == PS_OK)
+ {
+ /* Success, we got the address. */
+ addr->type = NOTIFY_BPT;
+ addr->u.bptaddr = taddr;
+
+ res = TD_OK;
+ }
+ else
+ res = TD_ERR;
+ }
+
+ return res;
+}
--- /dev/null
+/* Retrieve event.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <stddef.h>
+#include <string.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_event_getmsg (const td_thragent_t *ta, td_event_msg_t *msg)
+{
+ /* XXX I cannot think of another way but using a static variable. */
+ static td_thrhandle_t th;
+ td_eventbuf_t event;
+ psaddr_t addr;
+
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* Get the pointer to the thread descriptor with the last event. */
+ if (ps_pdread (ta->ph, ta->pthread_last_event,
+ &addr, sizeof (void *)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* If the pointer is NULL no event occurred. */
+ if (addr == 0)
+ return TD_NOMSG;
+
+ /* Read the even structure from the target. */
+ if (ps_pdread (ta->ph,
+ ((char *) addr
+ + offsetof (struct _pthread_descr_struct, p_eventbuf)),
+ &event, sizeof (td_eventbuf_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Check whether an event occurred. */
+ if (event.eventnum == TD_EVENT_NONE)
+ {
+ /* Oh well, this means the last event was already read. So
+ we have to look for any other event. */
+ struct pthread_handle_struct handles[ta->pthread_threads_max];
+ int num;
+ int i;
+
+ /* Read the number of currently active threads. */
+ if (ps_pdread (ta->ph, ta->pthread_handles_num, &num, sizeof (int))
+ != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Now read the handles. */
+ if (ps_pdread (ta->ph, ta->handles, handles,
+ ta->pthread_threads_max * sizeof (handles[0])) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ for (i = 0; i < ta->pthread_threads_max && num > 0; ++i)
+ {
+ if (handles[i].h_descr == NULL)
+ /* No entry here. */
+ continue;
+
+ /* First count this active thread. */
+ --num;
+
+ if (handles[i].h_descr == addr)
+ /* We already handled this. */
+ continue;
+
+ /* Read the event data for this thread. */
+ if (ps_pdread (ta->ph,
+ ((char *) handles[i].h_descr
+ + offsetof (struct _pthread_descr_struct,
+ p_eventbuf)),
+ &event, sizeof (td_eventbuf_t)) != PS_OK)
+ return TD_ERR;
+
+ if (event.eventnum != TD_EVENT_NONE)
+ {
+ /* We found a thread with an unreported event. */
+ addr = handles[i].h_descr;
+ break;
+ }
+ }
+
+ /* If we haven't found any other event signal this to the user. */
+ if (event.eventnum == TD_EVENT_NONE)
+ return TD_NOMSG;
+ }
+
+ /* Generate the thread descriptor. */
+ th.th_ta_p = (td_thragent_t *) ta;
+ th.th_unique = addr;
+
+ /* Fill the user's data structure. */
+ msg->event = event.eventnum;
+ msg->th_p = &th;
+ msg->msg.data = (uintptr_t) event.eventdata;
+
+ /* And clear the event message in the target. */
+ memset (&event, '\0', sizeof (td_eventbuf_t));
+ if (ps_pdwrite (ta->ph,
+ ((char *) addr
+ + offsetof (struct _pthread_descr_struct, p_eventbuf)),
+ &event, sizeof (td_eventbuf_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Get the number of threads in the process.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+#include <gnu/lib-names.h>
+
+td_err_e
+td_ta_get_nthreads (const td_thragent_t *ta, int *np)
+{
+ psaddr_t addr;
+
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* Access the variable `__pthread_handles_num'. */
+ if (ps_pglobal_lookup (ta->ph, LIBPTHREAD_SO, "__pthread_handles_num",
+ &addr) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ if (ps_pdread (ta->ph, addr, np, sizeof (int)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Get external process handle.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_get_ph (const td_thragent_t *ta, struct ps_prochandle **ph)
+{
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ *ph = ta->ph;
+
+ return TD_OK;
+}
--- /dev/null
+/* Retrieve statistics for process.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_get_stats (const td_thragent_t *ta, td_ta_stats_t *statsp)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ return TD_OK;
+}
--- /dev/null
+/* Map thread ID to thread handle.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_map_id2thr (const td_thragent_t *ta, pthread_t pt, td_thrhandle_t *th)
+{
+ struct pthread_handle_struct phc;
+ struct _pthread_descr_struct pds;
+ int pthread_threads_max;
+
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* Make the following expression a bit smaller. */
+ pthread_threads_max = ta->pthread_threads_max;
+
+ /* We can compute the entry in the handle array we want. */
+ if (ps_pdread (ta->ph, ta->handles + pt % pthread_threads_max, &phc,
+ sizeof (struct pthread_handle_struct)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Test whether this entry is in use. */
+ if (phc.h_descr == NULL)
+ return TD_BADTH;
+
+ /* Next test: get the descriptor to see whether this is not an old
+ thread handle. */
+ if (ps_pdread (ta->ph, phc.h_descr, &pds,
+ sizeof (struct _pthread_descr_struct)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ if (pds.p_tid != pt)
+ return TD_BADTH;
+
+ /* Create the `td_thrhandle_t' object. */
+ th->th_ta_p = (td_thragent_t *) ta;
+ th->th_unique = phc.h_descr;
+
+ return TD_OK;
+}
--- /dev/null
+/* Which thread is running on an lwp?
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
+{
+ int pthread_threads_max = ta->pthread_threads_max;
+ size_t sizeof_descr = ta->sizeof_descr;
+ struct pthread_handle_struct phc[pthread_threads_max];
+ size_t cnt;
+#ifdef ALL_THREADS_STOPPED
+ int num;
+#else
+# define num 1
+#endif
+
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* Read all the descriptors. */
+ if (ps_pdread (ta->ph, ta->handles, phc,
+ sizeof (struct pthread_handle_struct) * pthread_threads_max)
+ != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+#ifdef ALL_THREADS_STOPPED
+ /* Read the number of currently active threads. */
+ if (ps_pdread (ta->ph, ta->pthread_handles_num, &num, sizeof (int)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+#endif
+
+ /* Get the entries one after the other and find out whether the ID
+ matches. */
+ for (cnt = 0; cnt < pthread_threads_max && num > 0; ++cnt)
+ if (phc[cnt].h_descr != NULL)
+ {
+ struct _pthread_descr_struct pds;
+
+#ifdef ALL_THREADS_STOPPED
+ /* First count this active thread. */
+ --num;
+#endif
+
+ if (ps_pdread (ta->ph, phc[cnt].h_descr, &pds, sizeof_descr) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ if (pds.p_pid == lwpid)
+ {
+ /* Found it. Now fill in the `td_thrhandle_t' object. */
+ th->th_ta_p = (td_thragent_t *) ta;
+ th->th_unique = phc[cnt].h_descr;
+
+ return TD_OK;
+ }
+ }
+
+ return TD_NOLWP;
+}
--- /dev/null
+/* Attach to target process.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <gnu/lib-names.h>
+
+#include "thread_dbP.h"
+
+
+/* Datatype for the list of known thread agents. Normally there will
+ be exactly one so we don't spend much though on making it fast. */
+struct agent_list *__td_agent_list;
+
+
+td_err_e
+td_ta_new (struct ps_prochandle *ps, td_thragent_t **ta)
+{
+ psaddr_t addr;
+ struct agent_list *elemp;
+
+ LOG (__FUNCTION__);
+
+ /* Get the global event mask. This is one of the variables which
+ are new in the thread library to enable debugging. If it is
+ not available we cannot debug. */
+ if (ps_pglobal_lookup (ps, LIBPTHREAD_SO,
+ "__pthread_threads_events", &addr) != PS_OK)
+ return TD_NOLIBTHREAD;
+
+ /* Fill in the appropriate information. */
+ *ta = (td_thragent_t *) malloc (sizeof (td_thragent_t));
+ if (*ta == NULL)
+ return TD_MALLOC;
+
+ /* Store the proc handle which we will pass to the callback functions
+ back into the debugger. */
+ (*ta)->ph = ps;
+
+ /* Remember the address. */
+ (*ta)->pthread_threads_eventsp = (td_thr_events_t *) addr;
+
+ /* Get the pointer to the variable pointing to the thread descriptor
+ with the last event. */
+ if (ps_pglobal_lookup (ps, LIBPTHREAD_SO,
+ "__pthread_last_event",
+ &(*ta)->pthread_last_event) != PS_OK)
+ {
+ free_return:
+ free (*ta);
+ return TD_ERR;
+ }
+
+ /* Get the pointer to the variable containing the number of active
+ threads. */
+ if (ps_pglobal_lookup (ps, LIBPTHREAD_SO,
+ "__pthread_handles_num",
+ &(*ta)->pthread_handles_num) != PS_OK)
+ goto free_return;
+
+ /* See whether the library contains the necessary symbols. */
+ if (ps_pglobal_lookup (ps, LIBPTHREAD_SO, "__pthread_handles",
+ &addr) != PS_OK)
+ goto free_return;
+
+ (*ta)->handles = (struct pthread_handle_struct *) addr;
+
+
+ if (ps_pglobal_lookup (ps, LIBPTHREAD_SO, "pthread_keys",
+ &addr) != PS_OK)
+ goto free_return;
+
+ /* Cast to the right type. */
+ (*ta)->keys = (struct pthread_key_struct *) addr;
+
+ /* Find out about the maximum number of threads. Old implementations
+ don't provide this information. In this case we assume that the
+ debug library is compiled with the same values. */
+ if (ps_pglobal_lookup (ps, LIBPTHREAD_SO,
+ "__linuxthreads_pthread_threads_max", &addr) != PS_OK)
+ (*ta)->pthread_threads_max = PTHREAD_THREADS_MAX;
+ else
+ {
+ if (ps_pdread (ps, addr, &(*ta)->pthread_threads_max, sizeof (int))
+ != PS_OK)
+ goto free_return;
+ }
+
+ /* Similar for the maximum number of thread local data keys. */
+ if (ps_pglobal_lookup (ps, LIBPTHREAD_SO,
+ "__linuxthreads_pthread_keys_max", &addr) != PS_OK)
+ (*ta)->pthread_keys_max = PTHREAD_KEYS_MAX;
+ else
+ {
+ if (ps_pdread (ps, addr, &(*ta)->pthread_keys_max, sizeof (int))
+ != PS_OK)
+ goto free_return;
+ }
+
+ /* And for the size of the second level arrays for the keys. */
+ if (ps_pglobal_lookup (ps, LIBPTHREAD_SO,
+ "__linuxthreads_pthread_sizeof_descr", &addr)
+ != PS_OK)
+ (*ta)->sizeof_descr = sizeof (struct _pthread_descr_struct);
+ else
+ {
+ if (ps_pdread (ps, addr, &(*ta)->sizeof_descr, sizeof (int)) != PS_OK)
+ goto free_return;
+ }
+
+ /* Similar for the maximum number of thread local data keys. */
+ if (ps_pglobal_lookup (ps, LIBPTHREAD_SO,
+ "__linuxthreads_pthread_keys_max", &addr) != PS_OK)
+ (*ta)->pthread_keys_max = PTHREAD_KEYS_MAX;
+ else
+ {
+ if (ps_pdread (ps, addr, &(*ta)->pthread_keys_max, sizeof (int))
+ != PS_OK)
+ goto free_return;
+ }
+
+ /* Now add the new agent descriptor to the list. */
+ elemp = (struct agent_list *) malloc (sizeof (struct agent_list));
+ if (elemp == NULL)
+ {
+ /* Argh, now that everything else worked... */
+ free (*ta);
+ return TD_MALLOC;
+ }
+
+ /* We don't care for thread-safety here. */
+ elemp->ta = *ta;
+ elemp->next = __td_agent_list;
+ __td_agent_list = elemp;
+
+ return TD_OK;
+}
--- /dev/null
+/* Reset statistics.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_reset_stats (const td_thragent_t *ta)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ return TD_OK;
+}
--- /dev/null
+/* Globally enable events.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_set_event (ta, event)
+ const td_thragent_t *ta;
+ td_thr_events_t *event;
+{
+ td_thr_events_t old_event;
+ int i;
+
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdread (ta->ph, ta->pthread_threads_eventsp,
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Or the new bits in. */
+ for (i = 0; i < TD_EVENTSIZE; ++i)
+ old_event.event_bits[i] |= event->event_bits[i];
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdwrite (ta->ph, ta->pthread_threads_eventsp,
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Set suggested concurrency level for process.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_setconcurrency (const td_thragent_t *ta, int level)
+{
+ /* This is something LinuxThreads does not support. */
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ return TD_NOCAPAB;
+}
--- /dev/null
+/* Iterate over a process's threads.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_thr_iter (const td_thragent_t *ta, td_thr_iter_f *callback,
+ void *cbdata_p, td_thr_state_e state, int ti_pri,
+ sigset_t *ti_sigmask_p, unsigned int ti_user_flags)
+{
+ int pthread_threads_max;
+ size_t sizeof_descr;
+ struct pthread_handle_struct *phc;
+ int cnt;
+#ifdef ALL_THREADS_STOPPED
+ int num;
+#else
+# define num 1
+#endif
+
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ pthread_threads_max = ta->pthread_threads_max;
+ sizeof_descr = ta->sizeof_descr;
+ phc = (struct pthread_handle_struct *) alloca (sizeof (phc[0])
+ * pthread_threads_max);
+
+ /* Read all the descriptors. */
+ if (ps_pdread (ta->ph, ta->handles, phc,
+ sizeof (struct pthread_handle_struct) * pthread_threads_max)
+ != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+#ifdef ALL_THREADS_STOPPED
+ /* Read the number of currently active threads. */
+ if (ps_pdread (ta->ph, ta->pthread_handles_num, &num, sizeof (int)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+#endif
+
+ /* Now get all descriptors, one after the other. */
+ for (cnt = 0; cnt < pthread_threads_max && num > 0; ++cnt)
+ if (phc[cnt].h_descr != NULL)
+ {
+ struct _pthread_descr_struct pds;
+ td_thrhandle_t th;
+
+#ifdef ALL_THREADS_STOPPED
+ /* First count this active thread. */
+ --num;
+#endif
+
+ if (ps_pdread (ta->ph, phc[cnt].h_descr, &pds, sizeof_descr)
+ != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* The manager thread must be handled special. The descriptor
+ exists but the thread only gets created when the first
+ `pthread_create' call is issued. A clear indication that
+ this happened is when the p_pid field is non-zero. */
+ if (cnt == 1 && pds.p_pid == 0)
+ continue;
+
+ /* Now test whether this thread matches the specified
+ conditions. */
+
+ /* Only if the priority level is as high or higher. */
+ if (pds.p_priority < ti_pri)
+ continue;
+
+ /* Test the state.
+ XXX This is incomplete. */
+ if (state != TD_THR_ANY_STATE)
+ continue;
+
+ /* XXX For now we ignore threads which are not running anymore.
+ The reason is that gdb tries to get the registers and fails.
+ In future we should have a special mode of the thread library
+ in which we keep the process around until the actual join
+ operation happened. */
+ if (pds.p_exited != 0)
+ continue;
+
+ /* Yep, it matches. Call the callback function. */
+ th.th_ta_p = (td_thragent_t *) ta;
+ th.th_unique = phc[cnt].h_descr;
+ if (callback (&th, cbdata_p) != 0)
+ return TD_DBERR;
+ }
+
+ return TD_OK;
+}
--- /dev/null
+/* Iterate over a process's thread-specific data.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_tsd_iter (const td_thragent_t *ta, td_key_iter_f *callback,
+ void *cbdata_p)
+{
+ struct pthread_key_struct *keys;
+ int pthread_keys_max;
+ int cnt;
+
+ LOG (__FUNCTION__);
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ pthread_keys_max = ta->pthread_keys_max;
+ keys = (struct pthread_key_struct *) alloca (sizeof (keys[0])
+ * pthread_keys_max);
+
+ /* Read all the information about the keys. */
+ if (ps_pdread (ta->ph, ta->keys, keys,
+ sizeof (keys[0]) * pthread_keys_max) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Now get all descriptors, one after the other. */
+ for (cnt = 0; cnt < pthread_keys_max; ++cnt)
+ if (keys[cnt].in_use
+ /* Return with an error if the callback returns a nonzero value. */
+ && callback (cnt, keys[cnt].destr, cbdata_p) != 0)
+ return TD_DBERR;
+
+ return TD_OK;
+}
--- /dev/null
+/* Disable specific event for thread.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <stddef.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_clear_event (th, event)
+ const td_thrhandle_t *th;
+ td_thr_events_t *event;
+{
+ td_thr_events_t old_event;
+ int i;
+
+ LOG (__FUNCTION__);
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdread (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct _pthread_descr_struct,
+ p_eventbuf.eventmask)),
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Remove the set bits in. */
+ for (i = 0; i < TD_EVENTSIZE; ++i)
+ old_event.event_bits[i] &= ~event->event_bits[i];
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdwrite (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct _pthread_descr_struct,
+ p_eventbuf.eventmask)),
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Resume execution of given thread.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_dbresume (const td_thrhandle_t *th)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG (__FUNCTION__);
+ return TD_NOCAPAB;
+}
--- /dev/null
+/* Suspend execution of given thread.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_dbsuspend (const td_thrhandle_t *th)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG (__FUNCTION__);
+ return TD_NOCAPAB;
+}
--- /dev/null
+/* Enable event process-wide.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <stddef.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_event_enable (th, onoff)
+ const td_thrhandle_t *th;
+ int onoff;
+{
+ LOG (__FUNCTION__);
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdwrite (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct _pthread_descr_struct, p_report_events)),
+ &onoff, sizeof (int)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Retrieve event.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <stddef.h>
+#include <string.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_event_getmsg (const td_thrhandle_t *th, td_event_msg_t *msg)
+{
+ td_eventbuf_t event;
+
+ LOG (__FUNCTION__);
+
+ /* Read the even structure from the target. */
+ if (ps_pdread (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct _pthread_descr_struct, p_eventbuf)),
+ &event, sizeof (td_eventbuf_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Check whether an event occurred. */
+ if (event.eventnum == TD_EVENT_NONE)
+ /* Nothing. */
+ return TD_NOMSG;
+
+ /* Fill the user's data structure. */
+ msg->event = event.eventnum;
+ msg->th_p = th;
+ msg->msg.data = (uintptr_t) event.eventdata;
+
+ /* And clear the event message in the target. */
+ memset (&event, '\0', sizeof (td_eventbuf_t));
+ if (ps_pdwrite (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct _pthread_descr_struct, p_eventbuf)),
+ &event, sizeof (td_eventbuf_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Get thread information.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <stddef.h>
+#include <string.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop)
+{
+ struct _pthread_descr_struct pds;
+
+ LOG (__FUNCTION__);
+
+ /* Get the thread descriptor. */
+ if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+ th->th_ta_p->sizeof_descr) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Fill in information. Clear first to provide reproducable
+ results for the fields we do not fill in. */
+ memset (infop, '\0', sizeof (td_thrinfo_t));
+
+ /* We have to handle the manager thread special since the thread
+ descriptor in older versions is not fully initialized. */
+ if (pds.p_nr == 1)
+ {
+ infop->ti_tid = th->th_ta_p->pthread_threads_max * 2 + 1;
+ infop->ti_type = TD_THR_SYSTEM;
+ infop->ti_state = TD_THR_RUN;
+ }
+ else
+ {
+ infop->ti_tid = pds.p_tid;
+ infop->ti_tls = (char *) pds.p_specific;
+ infop->ti_pri = pds.p_priority;
+ infop->ti_type = TD_THR_USER;
+
+ if (pds.p_exited)
+ /* This should not happen. */
+ infop->ti_state = TD_THR_ZOMBIE;
+ else
+ /* XXX For now there is no way to get more information. */
+ infop->ti_state = TD_THR_RUN;
+ }
+
+ /* Initialization which are the same in both cases. */
+ infop->ti_lid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
+ infop->ti_ta_p = th->th_ta_p;
+ infop->ti_startfunc = pds.p_start_args.start_routine;
+ memcpy (&infop->ti_events, &pds.p_eventbuf.eventmask,
+ sizeof (td_thr_events_t));
+ infop->ti_traceme = pds.p_report_events != 0;
+
+ return TD_OK;
+}
--- /dev/null
+/* Get a thread's floating-point register set.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_getfpregs (const td_thrhandle_t *th, prfpregset_t *regset)
+{
+ struct _pthread_descr_struct pds;
+
+ LOG (__FUNCTION__);
+
+ /* We have to get the state and the PID for this thread. */
+ if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+ sizeof (struct _pthread_descr_struct)) != PS_OK)
+ return TD_ERR;
+
+ /* If the thread already terminated we return all zeroes. */
+ if (pds.p_terminated)
+ memset (regset, '\0', sizeof (*regset));
+ /* Otherwise get the register content through the callback. */
+ else if (ps_lgetfpregs (th->th_ta_p->ph, pds.p_pid, regset) != PS_OK)
+ return TD_ERR;
+
+ return TD_OK;
+}
--- /dev/null
+/* Get a thread's general register set.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_getgregs (const td_thrhandle_t *th, prgregset_t gregs)
+{
+ struct _pthread_descr_struct pds;
+
+ LOG (__FUNCTION__);
+
+ /* We have to get the state and the PID for this thread. */
+ if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+ sizeof (struct _pthread_descr_struct)) != PS_OK)
+ return TD_ERR;
+
+ /* If the thread already terminated we return all zeroes. */
+ if (pds.p_terminated)
+ memset (gregs, '\0', sizeof (gregs));
+ /* Otherwise get the register content through the callback. */
+ else if (ps_lgetregs (th->th_ta_p->ph, pds.p_pid, gregs) != PS_OK)
+ return TD_ERR;
+
+ return TD_OK;
+}
--- /dev/null
+/* Get a thread's extra state register set.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_getxregs (const td_thrhandle_t *th, void *xregs)
+{
+ /* XXX This might be platform specific. */
+ LOG (__FUNCTION__);
+ return TD_NOXREGS;
+}
--- /dev/null
+/* Get the size of the extra state register set for this architecture.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_getxregsize (const td_thrhandle_t *th, int *sizep)
+{
+ /* XXX This might be platform specific. */
+ LOG (__FUNCTION__);
+ return TD_NOXREGS;
+}
--- /dev/null
+/* Enable specific event for thread.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <stddef.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_set_event (th, event)
+ const td_thrhandle_t *th;
+ td_thr_events_t *event;
+{
+ td_thr_events_t old_event;
+ int i;
+
+ LOG (__FUNCTION__);
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdread (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct _pthread_descr_struct,
+ p_eventbuf.eventmask)),
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Or the new bits in. */
+ for (i = 0; i < TD_EVENTSIZE; ++i)
+ old_event.event_bits[i] |= event->event_bits[i];
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdwrite (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct _pthread_descr_struct,
+ p_eventbuf.eventmask)),
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Set a thread's floating-point register set.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_setfpregs (const td_thrhandle_t *th, const prfpregset_t *fpregs)
+{
+ struct _pthread_descr_struct pds;
+
+ LOG (__FUNCTION__);
+
+ /* We have to get the state and the PID for this thread. */
+ if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+ sizeof (struct _pthread_descr_struct)) != PS_OK)
+ return TD_ERR;
+
+ /* Only set the registers if the thread hasn't yet terminated. */
+ if (pds.p_terminated == 0
+ && ps_lsetfpregs (th->th_ta_p->ph, pds.p_pid, fpregs) != PS_OK)
+ return TD_ERR;
+
+ return TD_OK;
+}
--- /dev/null
+/* Set a thread's general register set.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_setgregs (const td_thrhandle_t *th, prgregset_t gregs)
+{
+ struct _pthread_descr_struct pds;
+
+ LOG (__FUNCTION__);
+
+ /* We have to get the state and the PID for this thread. */
+ if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+ sizeof (struct _pthread_descr_struct)) != PS_OK)
+ return TD_ERR;
+
+ /* Only set the registers if the thread hasn't yet terminated. */
+ if (pds.p_terminated == 0
+ && ps_lsetregs (th->th_ta_p->ph, pds.p_pid, gregs) != PS_OK)
+ return TD_ERR;
+
+ return TD_OK;
+}
--- /dev/null
+/* Set a thread's priority.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_setprio (const td_thrhandle_t *th, int prio)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG (__FUNCTION__);
+ return TD_OK;
+}
--- /dev/null
+/* Raise a signal for a thread.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_setsigpending (const td_thrhandle_t *th, unsigned char n,
+ const sigset_t *ss)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG (__FUNCTION__);
+ return TD_OK;
+}
--- /dev/null
+/* Set a thread's extra state register set.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_setxregs (const td_thrhandle_t *ta, const void *addr)
+{
+ /* XXX This might have to be platform specific. */
+ LOG (__FUNCTION__);
+ return TD_NOXREGS;
+}
--- /dev/null
+/* Set a thread's signal mask.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_sigsetmask (const td_thrhandle_t *th, const sigset_t *ss)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG (__FUNCTION__);
+ return TD_OK;
+}
--- /dev/null
+/* Get a thread-specific data pointer for a thread.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_tsd (const td_thrhandle_t *th, const thread_key_t tk, void **data)
+{
+ struct _pthread_descr_struct pds;
+ struct pthread_key_struct *keys = th->th_ta_p->keys;
+ struct pthread_key_struct key;
+ int pthread_keys_max = th->th_ta_p->pthread_keys_max;
+ int pthread_key_2ndlevel_size = th->th_ta_p->pthread_key_2ndlevel_size;
+ unsigned int idx1st;
+ unsigned int idx2nd;
+ void *p;
+
+ LOG (__FUNCTION__);
+
+ /* Get the thread descriptor. */
+ if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+ sizeof (struct _pthread_descr_struct)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Check correct value of key. */
+ if (tk >= pthread_keys_max)
+ return TD_BADKEY;
+
+ /* Get the key entry. */
+ if (ps_pdread (th->th_ta_p->ph, keys, &key,
+ sizeof (struct pthread_key_struct)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Fail if this key is not at all used. */
+ if (! key.in_use)
+ return TD_BADKEY;
+
+ /* Compute the indeces. */
+ idx1st = tk / pthread_key_2ndlevel_size;
+ idx2nd = tk % pthread_key_2ndlevel_size;
+
+ /* Check the pointer to the second level array. */
+ if (pds.p_specific[idx1st] == NULL)
+ return TD_NOTSD;
+
+ /* Now get the real key.
+ XXX I don't know whether it's correct but there is currently no
+ easy way to determine whether a key was never set or the value
+ is NULL. We return an error whenever the value is NULL. */
+ if (ps_pdread (th->th_ta_p->ph, &pds.p_specific[idx1st][idx2nd], &p,
+ sizeof (void *)) != PS_OK)
+ return TD_ERR;
+
+ if (p != NULL)
+ *data = p;
+
+ return p != NULL ? TD_OK : TD_NOTSD;
+}
--- /dev/null
+/* Validate a thread handle.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_validate (const td_thrhandle_t *th)
+{
+ struct pthread_handle_struct *handles = th->th_ta_p->handles;
+ int pthread_threads_max = th->th_ta_p->pthread_threads_max;
+ int cnt;
+
+ LOG (__FUNCTION__);
+
+ /* Now get all descriptors, one after the other. */
+ for (cnt = 0; cnt < pthread_threads_max; ++cnt, ++handles)
+ {
+ struct pthread_handle_struct phc;
+
+ if (ps_pdread (th->th_ta_p->ph, handles, &phc,
+ sizeof (struct pthread_handle_struct)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ if (phc.h_descr != NULL && phc.h_descr == th->th_unique)
+ {
+ /* XXX There should be another test using the TID but this is
+ currently not available. */
+ return TD_OK;
+ }
+ }
+
+ return TD_ERR;
+}
--- /dev/null
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _THREAD_DB_H
+#define _THREAD_DB_H 1
+
+/* This is the debugger interface for the LinuxThreads library. It is
+ modelled closely after the interface with same names in Solaris with
+ the goal to share the same code in the debugger. */
+#include <pthread.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/procfs.h>
+
+
+/* Error codes of the library. */
+typedef enum
+{
+ TD_OK, /* No error. */
+ TD_ERR, /* No further specified error. */
+ TD_NOTHR, /* No matching thread found. */
+ TD_NOSV, /* No matching synchronization handle found. */
+ TD_NOLWP, /* No matching light-weighted process found. */
+ TD_BADPH, /* Invalid process handle. */
+ TD_BADTH, /* Invalid thread handle. */
+ TD_BADSH, /* Invalid synchronization handle. */
+ TD_BADTA, /* Invalid thread agent. */
+ TD_BADKEY, /* Invalid key. */
+ TD_NOMSG, /* No event available. */
+ TD_NOFPREGS, /* No floating-point register content available. */
+ TD_NOLIBTHREAD, /* Application not linked with thread library. */
+ TD_NOEVENT, /* Requested event is not supported. */
+ TD_NOCAPAB, /* Capability not available. */
+ TD_DBERR, /* Internal debug library error. */
+ TD_NOAPLIC, /* Operation is not applicable. */
+ TD_NOTSD, /* No thread-specific data available. */
+ TD_MALLOC, /* Out of memory. */
+ TD_PARTIALREG, /* Not entire register set was read or written. */
+ TD_NOXREGS /* X register set not available for given thread. */
+} td_err_e;
+
+
+/* Possible thread states. TD_THR_ANY_STATE is a pseudo-state used to
+ select threads regardless of state in td_ta_thr_iter(). */
+typedef enum
+{
+ TD_THR_ANY_STATE,
+ TD_THR_UNKNOWN,
+ TD_THR_STOPPED,
+ TD_THR_RUN,
+ TD_THR_ACTIVE,
+ TD_THR_ZOMBIE,
+ TD_THR_SLEEP,
+ TD_THR_STOPPED_ASLEEP
+} td_thr_state_e;
+
+/* Thread type: user or system. TD_THR_ANY_TYPE is a pseudo-type used
+ to select threads regardless of type in td_ta_thr_iter(). */
+typedef enum
+{
+ TD_THR_ANY_TYPE,
+ TD_THR_USER,
+ TD_THR_SYSTEM
+} td_thr_type_e;
+
+
+/* Types of the debugging library. */
+
+/* Handle for a process. This type is opaque. */
+typedef struct td_thragent td_thragent_t;
+
+/* The actual thread handle type. This is also opaque. */
+typedef struct td_thrhandle
+{
+ td_thragent_t *th_ta_p;
+ psaddr_t th_unique;
+} td_thrhandle_t;
+
+
+/* Flags for `td_ta_thr_iter'. */
+#define TD_THR_ANY_USER_FLAGS 0xffffffff
+#define TD_THR_LOWEST_PRIORITY -20
+#define TD_SIGNO_MASK NULL
+
+
+#define TD_EVENTSIZE 2
+#define BT_UISHIFT 5 /* log base 2 of BT_NBIPUI, to extract word index */
+#define BT_NBIPUI (1 << BT_UISHIFT) /* n bits per uint */
+#define BT_UIMASK (BT_NBIPUI - 1) /* to extract bit index */
+
+/* Bitmask of enabled events. */
+typedef struct td_thr_events
+{
+ uint32_t event_bits[TD_EVENTSIZE];
+} td_thr_events_t;
+
+/* Event set manipulation macros. */
+#define __td_eventmask(n) \
+ (UINT32_C (1) << (((n) - 1) & BT_UIMASK))
+#define __td_eventword(n) \
+ ((UINT32_C ((n) - 1)) >> BT_UISHIFT)
+
+#define td_event_emptyset(setp) \
+ do { \
+ int __i; \
+ for (__i = TD_EVENTSIZE; __i > 0; --__i) \
+ (setp)->event_bits[__i - 1] = 0; \
+ } while (0)
+
+#define td_event_fillset(setp) \
+ do { \
+ int __i; \
+ for (__i = TD_EVENTSIZE; __i > 0; --__i) \
+ (setp)->event_bits[__i - 1] = UINT32_C (0xffffffff); \
+ } while (0)
+
+#define td_event_addset(setp, n) \
+ (((setp)->event_bits[__td_eventword (n)]) |= __td_eventmask (n))
+#define td_event_delset(setp, n) \
+ (((setp)->event_bits[__td_eventword (n)]) &= ~__td_eventmask (n))
+#define td_eventismember(setp, n) \
+ (__td_eventmask (n) & ((setp)->event_bits[__td_eventword (n)]))
+#if TD_EVENTSIZE == 2
+# define td_eventisempty(setp) \
+ (!((setp)->event_bits[0]) && !((setp)->event_bits[1]))
+#else
+# error "td_eventisempty must be changed to match TD_EVENTSIZE"
+#endif
+
+/* Events reportable by the thread implementation. */
+typedef enum
+{
+ TD_ALL_EVENTS, /* Pseudo-event number. */
+ TD_EVENT_NONE = TD_ALL_EVENTS, /* Depends on context. */
+ TD_READY, /* Is executable now. */
+ TD_SLEEP, /* Blocked in a synchronization obj. */
+ TD_SWITCHTO, /* Now assigned to a process. */
+ TD_SWITCHFROM, /* Not anymore assigned to a process. */
+ TD_LOCK_TRY, /* Trying to get an unavailable lock. */
+ TD_CATCHSIG, /* Signal posted to the thread. */
+ TD_IDLE, /* Process getting idle. */
+ TD_CREATE, /* New thread created. */
+ TD_DEATH, /* Thread terminated. */
+ TD_PREEMPT, /* Preempted. */
+ TD_PRI_INHERIT, /* Inherited elevated priority. */
+ TD_REAP, /* Reaped. */
+ TD_CONCURRENCY, /* Number of processes changing. */
+ TD_TIMEOUT, /* Conditional variable wait timed out. */
+ TD_MIN_EVENT_NUM = TD_READY,
+ TD_MAX_EVENT_NUM = TD_TIMEOUT,
+ TD_EVENTS_ENABLE = 31 /* Event reporting enabled. */
+} td_event_e;
+
+/* Values representing the different ways events are reported. */
+typedef enum
+{
+ NOTIFY_BPT, /* User must insert breakpoint at u.bptaddr. */
+ NOTIFY_AUTOBPT, /* Breakpoint at u.bptaddr is automatically
+ inserted. */
+ NOTIFY_SYSCALL /* System call u.syscallno will be invoked. */
+} td_notify_e;
+
+/* Description how event type is reported. */
+typedef struct td_notify
+{
+ td_notify_e type; /* Way the event is reported. */
+ union
+ {
+ psaddr_t bptaddr; /* Address of breakpoint. */
+ int syscallno; /* Number of system call used. */
+ } u;
+} td_notify_t;
+
+/* Structure used to report event. */
+typedef struct td_event_msg
+{
+ td_event_e event; /* Event type being reported. */
+ const td_thrhandle_t *th_p; /* Thread reporting the event. */
+ union
+ {
+# if 0
+ td_synchandle_t *sh; /* Handle of synchronization object. */
+#endif
+ uintptr_t data; /* Event specific data. */
+ } msg;
+} td_event_msg_t;
+
+/* Structure containing event data available in each thread structure. */
+typedef struct
+{
+ td_thr_events_t eventmask; /* Mask of enabled events. */
+ td_event_e eventnum; /* Number of last event. */
+ void *eventdata; /* Data associated with event. */
+} td_eventbuf_t;
+
+
+/* Gathered statistics about the process. */
+typedef struct td_ta_stats
+{
+ int nthreads; /* Total number of threads in use. */
+ int r_concurrency; /* Concurrency level requested by user. */
+ int nrunnable_num; /* Average runnable threads, numerator. */
+ int nrunnable_den; /* Average runnable threads, denominator. */
+ int a_concurrency_num; /* Achieved concurrency level, numerator. */
+ int a_concurrency_den; /* Achieved concurrency level, denominator. */
+ int nlwps_num; /* Average number of processes in use,
+ numerator. */
+ int nlwps_den; /* Average number of processes in use,
+ denominator. */
+ int nidle_num; /* Average number of idling processes,
+ numerator. */
+ int nidle_den; /* Average number of idling processes,
+ denominator. */
+} td_ta_stats_t;
+
+
+/* Since Sun's library is based on Solaris threads we have to define a few
+ types to map them to POSIX threads. */
+typedef pthread_t thread_t;
+typedef pthread_key_t thread_key_t;
+
+
+/* Callback for iteration over threads. */
+typedef int td_thr_iter_f (const td_thrhandle_t *, void *);
+
+/* Callback for iteration over thread local data. */
+typedef int td_key_iter_f (thread_key_t, void (*) (void *), void *);
+
+
+
+/* Forward declaration. This has to be defined by the user. */
+struct ps_prochandle;
+
+
+/* Information about the thread. */
+typedef struct td_thrinfo
+{
+ td_thragent_t *ti_ta_p; /* Process handle. */
+ unsigned int ti_user_flags; /* Unused. */
+ thread_t ti_tid; /* Thread ID returned by
+ pthread_create(). */
+ char *ti_tls; /* Pointer to thread-local data. */
+ psaddr_t ti_startfunc; /* Start function passed to
+ pthread_create(). */
+ psaddr_t ti_stkbase; /* Base of thread's stack. */
+ long int ti_stksize; /* Size of thread's stack. */
+ psaddr_t ti_ro_area; /* Unused. */
+ int ti_ro_size; /* Unused. */
+ td_thr_state_e ti_state; /* Thread state. */
+ unsigned char ti_db_suspended; /* Nonzero if suspended by debugger. */
+ td_thr_type_e ti_type; /* Type of the thread (system vs
+ user thread). */
+ intptr_t ti_pc; /* Unused. */
+ intptr_t ti_sp; /* Unused. */
+ short int ti_flags; /* Unused. */
+ int ti_pri; /* Thread priority. */
+ lwpid_t ti_lid; /* Unused. */
+ sigset_t ti_sigmask; /* Signal mask. */
+ unsigned char ti_traceme; /* Nonzero if event reporting
+ enabled. */
+ unsigned char ti_preemptflag; /* Unused. */
+ unsigned char ti_pirecflag; /* Unused. */
+ sigset_t ti_pending; /* Set of pending signals. */
+ td_thr_events_t ti_events; /* Set of enabled events. */
+} td_thrinfo_t;
+
+
+
+/* Prototypes for exported library functions. */
+
+/* Initialize the thread debug support library. */
+extern td_err_e td_init (void);
+
+/* Historical relict. Should not be used anymore. */
+extern td_err_e td_log (void);
+
+/* Generate new thread debug library handle for process PS. */
+extern td_err_e td_ta_new (struct ps_prochandle *__ps, td_thragent_t **__ta);
+
+/* Free resources allocated for TA. */
+extern td_err_e td_ta_delete (td_thragent_t *__ta);
+
+/* Get number of currently running threads in process associated with TA. */
+extern td_err_e td_ta_get_nthreads (const td_thragent_t *__ta, int *__np);
+
+/* Return process handle passed in `td_ta_new' for process associated with
+ TA. */
+extern td_err_e td_ta_get_ph (const td_thragent_t *__ta,
+ struct ps_prochandle **__ph);
+
+/* Map thread library handle PT to thread debug library handle for process
+ associated with TA and store result in *TH. */
+extern td_err_e td_ta_map_id2thr (const td_thragent_t *__ta, pthread_t __pt,
+ td_thrhandle_t *__th);
+
+/* Map process ID LWPID to thread debug library handle for process
+ associated with TA and store result in *TH. */
+extern td_err_e td_ta_map_lwp2thr (const td_thragent_t *__ta, lwpid_t __lwpid,
+ td_thrhandle_t *__th);
+
+
+/* Call for each thread in a process associated with TA the callback function
+ CALLBACK. */
+extern td_err_e td_ta_thr_iter (const td_thragent_t *__ta,
+ td_thr_iter_f *__callback, void *__cbdata_p,
+ td_thr_state_e __state, int __ti_pri,
+ sigset_t *__ti_sigmask_p,
+ unsigned int __ti_user_flags);
+
+/* Call for each defined thread local data entry the callback function KI. */
+extern td_err_e td_ta_tsd_iter (const td_thragent_t *__ta, td_key_iter_f *__ki,
+ void *__p);
+
+
+/* Get event address for EVENT. */
+extern td_err_e td_ta_event_addr (const td_thragent_t *__ta,
+ td_event_e __event, td_notify_t *__ptr);
+
+/* Enable EVENT in global mask. */
+extern td_err_e td_ta_set_event (const td_thragent_t *__ta,
+ td_thr_events_t *__event);
+
+/* Disable EVENT in global mask. */
+extern td_err_e td_ta_clear_event (const td_thragent_t *__ta,
+ td_thr_events_t *__event);
+
+/* Return information about last event. */
+extern td_err_e td_ta_event_getmsg (const td_thragent_t *__ta,
+ td_event_msg_t *msg);
+
+
+/* Set suggested concurrency level for process associated with TA. */
+extern td_err_e td_ta_setconcurrency (const td_thragent_t *__ta, int __level);
+
+
+/* Enable collecting statistics for process associated with TA. */
+extern td_err_e td_ta_enable_stats (const td_thragent_t *__ta, int __enable);
+
+/* Reset statistics. */
+extern td_err_e td_ta_reset_stats (const td_thragent_t *__ta);
+
+/* Retrieve statistics from process associated with TA. */
+extern td_err_e td_ta_get_stats (const td_thragent_t *__ta,
+ td_ta_stats_t *__statsp);
+
+
+/* Validate that TH is a thread handle. */
+extern td_err_e td_thr_validate (const td_thrhandle_t *__th);
+
+/* Return information about thread TH. */
+extern td_err_e td_thr_get_info (const td_thrhandle_t *__th,
+ td_thrinfo_t *__infop);
+
+/* Retrieve floating-point register contents of process running thread TH. */
+extern td_err_e td_thr_getfpregs (const td_thrhandle_t *__th,
+ prfpregset_t *__regset);
+
+/* Retrieve general register contents of process running thread TH. */
+extern td_err_e td_thr_getgregs (const td_thrhandle_t *__th,
+ prgregset_t __gregs);
+
+/* Retrieve extended register contents of process running thread TH. */
+extern td_err_e td_thr_getxregs (const td_thrhandle_t *__th, void *__xregs);
+
+/* Get size of extended register set of process running thread TH. */
+extern td_err_e td_thr_getxregsize (const td_thrhandle_t *__th, int *__sizep);
+
+/* Set floating-point register contents of process running thread TH. */
+extern td_err_e td_thr_setfpregs (const td_thrhandle_t *__th,
+ const prfpregset_t *__fpregs);
+
+/* Set general register contents of process running thread TH. */
+extern td_err_e td_thr_setgregs (const td_thrhandle_t *__th,
+ prgregset_t __gregs);
+
+/* Set extended register contents of process running thread TH. */
+extern td_err_e td_thr_setxregs (const td_thrhandle_t *__th,
+ const void *__addr);
+
+
+/* Enable reporting for EVENT for thread TH. */
+extern td_err_e td_thr_event_enable (const td_thrhandle_t *__th, int __event);
+
+/* Enable EVENT for thread TH. */
+extern td_err_e td_thr_set_event (const td_thrhandle_t *__th,
+ td_thr_events_t *__event);
+
+/* Disable EVENT for thread TH. */
+extern td_err_e td_thr_clear_event (const td_thrhandle_t *__th,
+ td_thr_events_t *__event);
+
+/* Get event message for thread TH. */
+extern td_err_e td_thr_event_getmsg (const td_thrhandle_t *__th,
+ td_event_msg_t *__msg);
+
+
+/* Set priority of thread TH. */
+extern td_err_e td_thr_setprio (const td_thrhandle_t *__th, int __prio);
+
+
+/* Set pending signals for thread TH. */
+extern td_err_e td_thr_setsigpending (const td_thrhandle_t *__th,
+ unsigned char __n, const sigset_t *__ss);
+
+/* Set signal mask for thread TH. */
+extern td_err_e td_thr_sigsetmask (const td_thrhandle_t *__th,
+ const sigset_t *__ss);
+
+
+/* Return thread local data associated with key TK in thread TH. */
+extern td_err_e td_thr_tsd (const td_thrhandle_t *__th,
+ const thread_key_t __tk, void **__data);
+
+
+/* Suspend execution of thread TH. */
+extern td_err_e td_thr_dbsuspend (const td_thrhandle_t *__th);
+
+/* Resume execution of thread TH. */
+extern td_err_e td_thr_dbresume (const td_thrhandle_t *__th);
+
+#endif /* thread_db.h */
--- /dev/null
+/* Private header for thread debug library. */
+#ifndef _THREAD_DBP_H
+#define _THREAD_DBP_H 1
+
+#include <string.h>
+#include "proc_service.h"
+#include "thread_db.h"
+#include "../linuxthreads/internals.h"
+
+
+/* Comment out the following for less verbose output. */
+#define LOG(c) __libc_write (2, c "\n", strlen (c "\n"))
+
+
+/* Handle for a process. This type is opaque. */
+struct td_thragent
+{
+ /* Delivered by the debugger and we have to pass it back in the
+ proc callbacks. */
+ struct ps_prochandle *ph;
+
+ /* Some cached information. */
+
+ /* Address of the `__pthread_handles' array. */
+ struct pthread_handle_struct *handles;
+
+ /* Address of the `pthread_kyes' array. */
+ struct pthread_key_struct *keys;
+
+ /* Maximum number of threads. */
+ int pthread_threads_max;
+
+ /* Maximum number of thread-local data keys. */
+ int pthread_keys_max;
+
+ /* Size of 2nd level array for thread-local data keys. */
+ int pthread_key_2ndlevel_size;
+
+ /* Sizeof struct _pthread_descr_struct. */
+ int sizeof_descr;
+
+ /* Pointer to the `__pthread_threads_events' variable in the target. */
+ psaddr_t pthread_threads_eventsp;
+
+ /* Pointer to the `__pthread_last_event' variable in the target. */
+ psaddr_t pthread_last_event;
+
+ /* Pointer to the `__pthread_handles_num' variable. */
+ psaddr_t pthread_handles_num;
+};
+
+
+/* Type used internally to keep track of thread agent descriptors. */
+struct agent_list
+{
+ td_thragent_t *ta;
+ struct agent_list *next;
+};
+
+/* List of all known descriptors. */
+extern struct agent_list *__td_agent_list;
+
+/* Function used to test for correct thread agent pointer. */
+static inline int
+ta_ok (const td_thragent_t *ta)
+{
+ struct agent_list *runp = __td_agent_list;
+
+ if (ta == NULL)
+ return 0;
+
+ while (runp != NULL && runp->ta != ta)
+ runp = runp->next;
+
+ return runp != NULL;
+}
+
+#endif /* thread_dbP.h */
projects / thirdparty / glibc.git / commitdiff
