diff options
44 files changed, 1992 insertions, 0 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index d83f63c242..872d17e84b 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,10 @@ +1999-10-07 Ulrich Drepper <drepper@cygnus.com> + + * Implies: New file. + * internals.h (struct _pthread_descr_struct): Add p_startfct. + * manager.c (pthread_handle_create): Initialize p_startfct. + * pthread.c: Define __linuxthread_pthread_sizeof_descr variable. + 1999-09-25 Ulrich Drepper <drepper@cygnus.com> * manager.c (__linuxthreads_pthread_threads_max): New variable. diff --git a/linuxthreads/Implies b/linuxthreads/Implies new file mode 100644 index 0000000000..2c56497842 --- /dev/null +++ b/linuxthreads/Implies @@ -0,0 +1 @@ +linuxthreads_db diff --git a/linuxthreads/internals.h b/linuxthreads/internals.h index 34297fe752..73243d42dc 100644 --- a/linuxthreads/internals.h +++ b/linuxthreads/internals.h @@ -113,6 +113,7 @@ struct _pthread_descr_struct { size_t p_guardsize; /* size of guard area */ pthread_descr p_self; /* Pointer to this structure */ int p_nr; /* Index of descriptor in __pthread_handles */ + void *(*p_startfct) (void *); /* The startup function of this thread. */ } __attribute__ ((aligned(32))); /* We need to align the structure so that doubles are aligned properly. This is 8 bytes on MIPS and 16 bytes on MIPS64. diff --git a/linuxthreads/manager.c b/linuxthreads/manager.c index b481fc890c..e59f98092c 100644 --- a/linuxthreads/manager.c +++ b/linuxthreads/manager.c @@ -342,6 +342,7 @@ static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr, new_thread->p_guardsize = guardsize; new_thread->p_self = new_thread; new_thread->p_nr = sseg; + new_thread->p_startfct = start_routine; /* Initialize the thread handle */ __pthread_init_lock(&__pthread_handles[sseg].h_lock); __pthread_handles[sseg].h_descr = new_thread; diff --git a/linuxthreads/pthread.c b/linuxthreads/pthread.c index 2f10f06790..aea6db12ab 100644 --- a/linuxthreads/pthread.c +++ b/linuxthreads/pthread.c @@ -150,6 +150,8 @@ const int __pthread_offsetof_descr = offsetof(struct pthread_handle_struct, h_descr); const int __pthread_offsetof_pid = offsetof(struct _pthread_descr_struct, p_pid); +const int __linuxthread_pthread_sizeof_descr + = sizeof(struct _pthread_descr_struct); /* These variables are used by the setup code. */ extern int _errno; diff --git a/linuxthreads_db/ChangeLog b/linuxthreads_db/ChangeLog new file mode 100644 index 0000000000..1ee1a7e66a --- /dev/null +++ b/linuxthreads_db/ChangeLog @@ -0,0 +1,41 @@ +1999-10-07 Ulrich Drepper <drepper@cygnus.com> + + * Makefile: New file. + * proc_service.h: New file. + * shlib-versions: 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. diff --git a/linuxthreads_db/Makefile b/linuxthreads_db/Makefile new file mode 100644 index 0000000000..fb2825cffb --- /dev/null +++ b/linuxthreads_db/Makefile @@ -0,0 +1,49 @@ +# 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 + +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 diff --git a/linuxthreads_db/proc_service.h b/linuxthreads_db/proc_service.h new file mode 100644 index 0000000000..6e7fea8a89 --- /dev/null +++ b/linuxthreads_db/proc_service.h @@ -0,0 +1,44 @@ +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; + +typedef unsigned long paddr_t; + + + + +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 *); + diff --git a/linuxthreads_db/td_init.c b/linuxthreads_db/td_init.c new file mode 100644 index 0000000000..e65edc4e93 --- /dev/null +++ b/linuxthreads_db/td_init.c @@ -0,0 +1,30 @@ +/* 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; +} diff --git a/linuxthreads_db/td_log.c b/linuxthreads_db/td_log.c new file mode 100644 index 0000000000..0c4a3670f5 --- /dev/null +++ b/linuxthreads_db/td_log.c @@ -0,0 +1,32 @@ +/* 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; +} diff --git a/linuxthreads_db/td_ta_delete.c b/linuxthreads_db/td_ta_delete.c new file mode 100644 index 0000000000..a8031f2d27 --- /dev/null +++ b/linuxthreads_db/td_ta_delete.c @@ -0,0 +1,35 @@ +/* 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__); + + /* The handle was allocated in `td_ta_new'. */ + free (ta); + + return TD_OK; +} diff --git a/linuxthreads_db/td_ta_enable_stats.c b/linuxthreads_db/td_ta_enable_stats.c new file mode 100644 index 0000000000..eb3a338b29 --- /dev/null +++ b/linuxthreads_db/td_ta_enable_stats.c @@ -0,0 +1,30 @@ +/* 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__); + return TD_OK; +} diff --git a/linuxthreads_db/td_ta_event_addr.c b/linuxthreads_db/td_ta_event_addr.c new file mode 100644 index 0000000000..6d6d4a850b --- /dev/null +++ b/linuxthreads_db/td_ta_event_addr.c @@ -0,0 +1,30 @@ +/* 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 "thread_dbP.h" + + +td_err_e +td_ta_event_addr (const td_thragent_t *ta, td_event_e event, td_notify_t *addr) +{ + /* XXX We have to figure out what has to be done. */ + LOG (__FUNCTION__); + return TD_NOCAPAB; +} diff --git a/linuxthreads_db/td_ta_get_nthreads.c b/linuxthreads_db/td_ta_get_nthreads.c new file mode 100644 index 0000000000..955555b2e5 --- /dev/null +++ b/linuxthreads_db/td_ta_get_nthreads.c @@ -0,0 +1,40 @@ +/* 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" + + +td_err_e +td_ta_get_nthreads (const td_thragent_t *ta, int *np) +{ + psaddr_t addr; + + LOG (__FUNCTION__); + + /* Access the variable `__pthread_handles_num'. */ + if (ps_pglobal_lookup (ta->ph, "libpthread.so.0", "__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; +} diff --git a/linuxthreads_db/td_ta_get_ph.c b/linuxthreads_db/td_ta_get_ph.c new file mode 100644 index 0000000000..538990fee4 --- /dev/null +++ b/linuxthreads_db/td_ta_get_ph.c @@ -0,0 +1,32 @@ +/* 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__); + + *ph = ta->ph; + + return TD_OK; +} diff --git a/linuxthreads_db/td_ta_get_stats.c b/linuxthreads_db/td_ta_get_stats.c new file mode 100644 index 0000000000..d8f5fe294f --- /dev/null +++ b/linuxthreads_db/td_ta_get_stats.c @@ -0,0 +1,30 @@ +/* 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__); + return TD_OK; +} diff --git a/linuxthreads_db/td_ta_map_id2thr.c b/linuxthreads_db/td_ta_map_id2thr.c new file mode 100644 index 0000000000..ffbc8b2908 --- /dev/null +++ b/linuxthreads_db/td_ta_map_id2thr.c @@ -0,0 +1,47 @@ +/* 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 *handles = ta->handles; + struct pthread_handle_struct phc; + int pthread_threads_max = ta->pthread_threads_max; + + LOG (__FUNCTION__); + + /* We can compute the entry in the handle array we want. */ + if (ps_pdread (ta->ph, 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; + + /* Create the `td_thrhandle_t' object. */ + th->th_ta_p = (td_thragent_t *) ta; + th->th_unique = phc.h_descr; + + return TD_OK; +} diff --git a/linuxthreads_db/td_ta_map_lwp2thr.c b/linuxthreads_db/td_ta_map_lwp2thr.c new file mode 100644 index 0000000000..995620f023 --- /dev/null +++ b/linuxthreads_db/td_ta_map_lwp2thr.c @@ -0,0 +1,62 @@ +/* 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) +{ + struct pthread_handle_struct *handles = ta->handles; + int pthread_threads_max = ta->pthread_threads_max; + size_t cnt; + + LOG (__FUNCTION__); + + /* Get the entries one after the other and find out whether the ID + matches. */ + for (cnt = 0; cnt < pthread_threads_max; ++cnt, ++handles) + { + struct pthread_handle_struct phc; + struct _pthread_descr_struct pds; + + if (ps_pdread (ta->ph, handles, &phc, + sizeof (struct pthread_handle_struct)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + if (phc.h_descr != NULL) + { + 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_pid == lwpid) + { + /* Found it. Now fill in the `td_thrhandle_t' object. */ + th->th_ta_p = (td_thragent_t *) ta; + th->th_unique = phc.h_descr; + + return TD_OK; + } + } + } + + return TD_NOLWP; +} diff --git a/linuxthreads_db/td_ta_new.c b/linuxthreads_db/td_ta_new.c new file mode 100644 index 0000000000..d018ac6807 --- /dev/null +++ b/linuxthreads_db/td_ta_new.c @@ -0,0 +1,115 @@ +/* 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 "thread_dbP.h" + + +td_err_e +td_ta_new (struct ps_prochandle *ps, td_thragent_t **ta) +{ + psaddr_t addr; + + LOG (__FUNCTION__); + + /* See whether the library contains the necessary symbols. */ + if (ps_pglobal_lookup (ps, "libpthread.so.0", "__pthread_threads_debug", + &addr) != PS_OK) + return TD_LIBTHREAD; + + /* 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; + + /* See whether the library contains the necessary symbols. */ + if (ps_pglobal_lookup (ps, "libpthread.so.0", "__pthread_handles", + &addr) != PS_OK) + { + free_return: + free (*ta); + return TD_ERR; + } + + (*ta)->handles = (struct pthread_handle_struct *) addr; + + + if (ps_pglobal_lookup (ps, "libpthread.so.0", "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.0", + "__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.0", + "__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.0", + "__linuxthreads_pthread_sizeof_descr", &addr) + != PS_OK) + (*ta)->sizeof_descr = offsetof (struct _pthread_descr_struct, p_startfct); + 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.0", + "__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; + } + + return TD_OK; +} diff --git a/linuxthreads_db/td_ta_reset_stats.c b/linuxthreads_db/td_ta_reset_stats.c new file mode 100644 index 0000000000..1ea1e713ab --- /dev/null +++ b/linuxthreads_db/td_ta_reset_stats.c @@ -0,0 +1,30 @@ +/* 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__); + return TD_OK; +} diff --git a/linuxthreads_db/td_ta_setconcurrency.c b/linuxthreads_db/td_ta_setconcurrency.c new file mode 100644 index 0000000000..eec9968810 --- /dev/null +++ b/linuxthreads_db/td_ta_setconcurrency.c @@ -0,0 +1,30 @@ +/* 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__); + return TD_NOCAPAB; +} diff --git a/linuxthreads_db/td_ta_thr_iter.c b/linuxthreads_db/td_ta_thr_iter.c new file mode 100644 index 0000000000..ffb4ef23ea --- /dev/null +++ b/linuxthreads_db/td_ta_thr_iter.c @@ -0,0 +1,73 @@ +/* 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) +{ + struct pthread_handle_struct *handles = ta->handles; + int pthread_threads_max = ta->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 (cnt == 1) + /* Skip the manager thread. */ + continue; + + if (ps_pdread (ta->ph, handles, &phc, + sizeof (struct pthread_handle_struct)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + if (phc.h_descr != NULL) + { + struct _pthread_descr_struct pds; + td_thrhandle_t th; + + if (ps_pdread (ta->ph, phc.h_descr, &pds, + sizeof (struct _pthread_descr_struct)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* 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; + + /* Yep, it matches. Call the callback function. */ + th.th_ta_p = (td_thragent_t *) ta; + th.th_unique = phc.h_descr; + if (callback (&th, cbdata_p) != 0) + return TD_DBERR; + } + } + + return TD_OK; +} diff --git a/linuxthreads_db/td_ta_tsd_iter.c b/linuxthreads_db/td_ta_tsd_iter.c new file mode 100644 index 0000000000..4eada2b2af --- /dev/null +++ b/linuxthreads_db/td_ta_tsd_iter.c @@ -0,0 +1,51 @@ +/* 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 = ta->keys; + int pthread_keys_max = ta->pthread_keys_max; + int cnt; + + /* XXX We have to figure out what has to be done. */ + LOG (__FUNCTION__); + + /* Now get all descriptors, one after the other. */ + for (cnt = 0; cnt < pthread_keys_max; ++cnt, ++keys) + { + struct pthread_key_struct key; + + if (ps_pdread (ta->ph, keys, &key, + sizeof (struct pthread_key_struct)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + if (key.in_use + /* Return with an error if the callback returns a nonzero value. */ + && callback (cnt, key.destr, cbdata_p) != 0) + return TD_DBERR; + } + + return TD_OK; +} diff --git a/linuxthreads_db/td_thr_clear_event.c b/linuxthreads_db/td_thr_clear_event.c new file mode 100644 index 0000000000..c3c633b71d --- /dev/null +++ b/linuxthreads_db/td_thr_clear_event.c @@ -0,0 +1,30 @@ +/* Disable specific 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 "thread_dbP.h" + + +td_err_e +td_thr_clear_event (const td_thrhandle_t *th, td_thr_events_t *event) +{ + /* XXX We have to figure out what has to be done. */ + LOG (__FUNCTION__); + return TD_NOCAPAB; +} diff --git a/linuxthreads_db/td_thr_dbresume.c b/linuxthreads_db/td_thr_dbresume.c new file mode 100644 index 0000000000..692943a74f --- /dev/null +++ b/linuxthreads_db/td_thr_dbresume.c @@ -0,0 +1,30 @@ +/* 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; +} diff --git a/linuxthreads_db/td_thr_dbsuspend.c b/linuxthreads_db/td_thr_dbsuspend.c new file mode 100644 index 0000000000..9e7ceb6532 --- /dev/null +++ b/linuxthreads_db/td_thr_dbsuspend.c @@ -0,0 +1,30 @@ +/* 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; +} diff --git a/linuxthreads_db/td_thr_event_enable.c b/linuxthreads_db/td_thr_event_enable.c new file mode 100644 index 0000000000..d6db6a76ca --- /dev/null +++ b/linuxthreads_db/td_thr_event_enable.c @@ -0,0 +1,30 @@ +/* Enable event reporting. + 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_event_enable (const td_thrhandle_t *th, int event) +{ + /* XXX We have to figure out what has to be done. */ + LOG (__FUNCTION__); + return TD_NOCAPAB; +} diff --git a/linuxthreads_db/td_thr_event_getmsg.c b/linuxthreads_db/td_thr_event_getmsg.c new file mode 100644 index 0000000000..0fa4cd6fbe --- /dev/null +++ b/linuxthreads_db/td_thr_event_getmsg.c @@ -0,0 +1,30 @@ +/* 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 "thread_dbP.h" + + +td_err_e +td_thr_event_getmsg (const td_thrhandle_t *th, td_event_msg_t *msg) +{ + /* XXX We have to figure out what has to be done. */ + LOG (__FUNCTION__); + return TD_NOCAPAB; +} diff --git a/linuxthreads_db/td_thr_get_info.c b/linuxthreads_db/td_thr_get_info.c new file mode 100644 index 0000000000..90015fb191 --- /dev/null +++ b/linuxthreads_db/td_thr_get_info.c @@ -0,0 +1,55 @@ +/* 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 "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)); + + infop->ti_ta_p = th->th_ta_p; + infop->ti_tid = pds.p_tid; + infop->ti_tls = (char *) pds.p_specific; + infop->ti_pri = pds.p_priority; + + /* We can get the following information only if the thread descriptor + in the target processor is large enough, i.e., comes from a recent + enough library. */ + if (offsetof (struct _pthread_descr_struct, p_startfct) + < th->th_ta_p->sizeof_descr) + infop->ti_startfunc = pds.p_startfct; + + return TD_OK; +} diff --git a/linuxthreads_db/td_thr_getfpregs.c b/linuxthreads_db/td_thr_getfpregs.c new file mode 100644 index 0000000000..33bd95ee30 --- /dev/null +++ b/linuxthreads_db/td_thr_getfpregs.c @@ -0,0 +1,40 @@ +/* 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 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 (ps_lgetfpregs (th->th_ta_p->ph, pds.p_pid, regset) != PS_OK) + return TD_ERR; + + return TD_OK; +} diff --git a/linuxthreads_db/td_thr_getgregs.c b/linuxthreads_db/td_thr_getgregs.c new file mode 100644 index 0000000000..e8a87b1bcc --- /dev/null +++ b/linuxthreads_db/td_thr_getgregs.c @@ -0,0 +1,40 @@ +/* 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 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 (ps_lgetregs (th->th_ta_p->ph, pds.p_pid, gregs) != PS_OK) + return TD_ERR; + + return TD_OK; +} diff --git a/linuxthreads_db/td_thr_getxregs.c b/linuxthreads_db/td_thr_getxregs.c new file mode 100644 index 0000000000..d8d568351b --- /dev/null +++ b/linuxthreads_db/td_thr_getxregs.c @@ -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; +} diff --git a/linuxthreads_db/td_thr_getxregsize.c b/linuxthreads_db/td_thr_getxregsize.c new file mode 100644 index 0000000000..f704a31e81 --- /dev/null +++ b/linuxthreads_db/td_thr_getxregsize.c @@ -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; +} diff --git a/linuxthreads_db/td_thr_set_event.c b/linuxthreads_db/td_thr_set_event.c new file mode 100644 index 0000000000..9454309b22 --- /dev/null +++ b/linuxthreads_db/td_thr_set_event.c @@ -0,0 +1,30 @@ +/* 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 "thread_dbP.h" + + +td_err_e +td_thr_set_event (const td_thrhandle_t *th, td_thr_events_t *event) +{ + /* XXX We have to figure out what has to be done. */ + LOG (__FUNCTION__); + return TD_NOCAPAB; +} diff --git a/linuxthreads_db/td_thr_setfpregs.c b/linuxthreads_db/td_thr_setfpregs.c new file mode 100644 index 0000000000..a18e1edc1e --- /dev/null +++ b/linuxthreads_db/td_thr_setfpregs.c @@ -0,0 +1,40 @@ +/* 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 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 (ps_lsetfpregs (th->th_ta_p->ph, pds.p_pid, fpregs) != PS_OK) + return TD_ERR; + + return TD_OK; +} diff --git a/linuxthreads_db/td_thr_setgregs.c b/linuxthreads_db/td_thr_setgregs.c new file mode 100644 index 0000000000..1de2d3c554 --- /dev/null +++ b/linuxthreads_db/td_thr_setgregs.c @@ -0,0 +1,40 @@ +/* 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 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 (ps_lsetregs (th->th_ta_p->ph, pds.p_pid, gregs) != PS_OK) + return TD_ERR; + + return TD_OK; +} diff --git a/linuxthreads_db/td_thr_setprio.c b/linuxthreads_db/td_thr_setprio.c new file mode 100644 index 0000000000..03a503d01e --- /dev/null +++ b/linuxthreads_db/td_thr_setprio.c @@ -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; +} diff --git a/linuxthreads_db/td_thr_setsigpending.c b/linuxthreads_db/td_thr_setsigpending.c new file mode 100644 index 0000000000..815cd2226d --- /dev/null +++ b/linuxthreads_db/td_thr_setsigpending.c @@ -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; +} diff --git a/linuxthreads_db/td_thr_setxregs.c b/linuxthreads_db/td_thr_setxregs.c new file mode 100644 index 0000000000..4b4fc34752 --- /dev/null +++ b/linuxthreads_db/td_thr_setxregs.c @@ -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; +} diff --git a/linuxthreads_db/td_thr_sigsetmask.c b/linuxthreads_db/td_thr_sigsetmask.c new file mode 100644 index 0000000000..88115976ce --- /dev/null +++ b/linuxthreads_db/td_thr_sigsetmask.c @@ -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; +} diff --git a/linuxthreads_db/td_thr_tsd.c b/linuxthreads_db/td_thr_tsd.c new file mode 100644 index 0000000000..0453c981ea --- /dev/null +++ b/linuxthreads_db/td_thr_tsd.c @@ -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; +} diff --git a/linuxthreads_db/td_thr_validate.c b/linuxthreads_db/td_thr_validate.c new file mode 100644 index 0000000000..f6f0d9094d --- /dev/null +++ b/linuxthreads_db/td_thr_validate.c @@ -0,0 +1,55 @@ +/* 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 (cnt == 1) + /* Skip the manager thread. */ + continue; + + 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; +} diff --git a/linuxthreads_db/thread_db.h b/linuxthreads_db/thread_db.h new file mode 100644 index 0000000000..f65363ebc6 --- /dev/null +++ b/linuxthreads_db/thread_db.h @@ -0,0 +1,426 @@ +/* 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/ucontext.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_LIBTHREAD, /* 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. */ + +/* Addresses. */ +typedef void *psaddr_t; + +/* 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; + + +/* 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; + +/* Linux has different names for the register set types. */ +typedef gregset_t prgregset_t; +typedef fpregset_t prfpregset_t; + + +/* Callback for iteration over threads. */ +typedef int td_thr_iter_f __P ((const td_thrhandle_t *, void *)); + +/* Callback for iteration over thread local data. */ +typedef int td_key_iter_f __P ((thread_key_t, void (*) (void *), void *)); + + + +/* Forward declaration. This has to be defined by the user. */ +struct ps_prochandle; + +/* We don't have any differences between processes and threads, therefore + have only one PID type. */ +typedef pid_t lwpid_t; + + +/* 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; /* Unused. */ + 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 debu librarz 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 is 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); + + +/* 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 statitics 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 */ diff --git a/linuxthreads_db/thread_dbP.h b/linuxthreads_db/thread_dbP.h new file mode 100644 index 0000000000..8db5b588dd --- /dev/null +++ b/linuxthreads_db/thread_dbP.h @@ -0,0 +1,46 @@ +/* Private header for thread debug library. */ +#ifndef _THREAD_DBP_H +#define _THREAD_DBP_H 1 + +#include "thread_db.h" +#include "../linuxthreads/internals.h" + +#include "proc_service.h" + + +/* Comment out the following for less verbose output. */ +#define LOG(c) __libc_write (2, c "\n", strlen (c "\n")) +extern ssize_t __libc_write (int, const void *, size_t); + + + +/* 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; +}; + + +#endif /* thread_dbP.h */ |