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Ulrich Drepper 1999-11-10 05:05:07 +00:00
parent 4c9a8f4e90
commit 89dbd0a12f
43 changed files with 2739 additions and 0 deletions
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164
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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.

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# 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

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/* 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 *);

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# The thread debug library
.*-.*-linux.* libthread_db=1

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/* 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;
}

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/* 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;
}

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/* 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;
}

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/* 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;
}

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/* 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;
}

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/* 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;
}

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/* 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;
}

44
linuxthreads_db/td_ta_get_nthreads.c Normal file
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@ -0,0 +1,44 @@
/* 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;
}

36
linuxthreads_db/td_ta_get_ph.c Normal file
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@ -0,0 +1,36 @@
/* 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;
}

35
linuxthreads_db/td_ta_get_stats.c Normal file
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@ -0,0 +1,35 @@
/* 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;
}

63
linuxthreads_db/td_ta_map_id2thr.c Normal file
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@ -0,0 +1,63 @@
/* 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;
}

81
linuxthreads_db/td_ta_map_lwp2thr.c Normal file
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@ -0,0 +1,81 @@
/* 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;
}

154
linuxthreads_db/td_ta_new.c Normal file
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@ -0,0 +1,154 @@
/* 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;
}

35
linuxthreads_db/td_ta_reset_stats.c Normal file
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@ -0,0 +1,35 @@
/* 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;
}

53
linuxthreads_db/td_ta_set_event.c Normal file
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@ -0,0 +1,53 @@
/* 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;
}

35
linuxthreads_db/td_ta_setconcurrency.c Normal file
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@ -0,0 +1,35 @@
/* 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;
}

113
linuxthreads_db/td_ta_thr_iter.c Normal file
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@ -0,0 +1,113 @@
/* 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;
}

55
linuxthreads_db/td_ta_tsd_iter.c Normal file
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@ -0,0 +1,55 @@
/* 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;
}

57
linuxthreads_db/td_thr_clear_event.c Normal file
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@ -0,0 +1,57 @@
/* 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;
}

30
linuxthreads_db/td_thr_dbresume.c Normal file
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/* 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;
}

30
linuxthreads_db/td_thr_dbsuspend.c Normal file
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/* 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;
}

41
linuxthreads_db/td_thr_event_enable.c Normal file
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@ -0,0 +1,41 @@
/* 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;
}

60
linuxthreads_db/td_thr_event_getmsg.c Normal file
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/* 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;
}

75
linuxthreads_db/td_thr_get_info.c Normal file
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/* 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;
}

44
linuxthreads_db/td_thr_getfpregs.c Normal file
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@ -0,0 +1,44 @@
/* 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;
}

44
linuxthreads_db/td_thr_getgregs.c Normal file
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/* 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;
}

30
linuxthreads_db/td_thr_getxregs.c Normal file
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@ -0,0 +1,30 @@
/* 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;
}

30
linuxthreads_db/td_thr_getxregsize.c Normal file
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@ -0,0 +1,30 @@
/* 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;
}

57
linuxthreads_db/td_thr_set_event.c Normal file
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@ -0,0 +1,57 @@
/* 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;
}

42
linuxthreads_db/td_thr_setfpregs.c Normal file
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@ -0,0 +1,42 @@
/* 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;
}

42
linuxthreads_db/td_thr_setgregs.c Normal file
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@ -0,0 +1,42 @@
/* 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;
}

30
linuxthreads_db/td_thr_setprio.c Normal file
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@ -0,0 +1,30 @@
/* 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;
}

31
linuxthreads_db/td_thr_setsigpending.c Normal file
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@ -0,0 +1,31 @@
/* 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;
}

30
linuxthreads_db/td_thr_setxregs.c Normal file
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@ -0,0 +1,30 @@
/* 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;
}

30
linuxthreads_db/td_thr_sigsetmask.c Normal file
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@ -0,0 +1,30 @@
/* 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;
}

76
linuxthreads_db/td_thr_tsd.c Normal file
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@ -0,0 +1,76 @@
/* 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;
}

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/* 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;
}

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/* 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 */

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/* 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 */