diff options
Diffstat (limited to 'nptl_db')
45 files changed, 2635 insertions, 0 deletions
diff --git a/nptl_db/Makefile b/nptl_db/Makefile new file mode 100644 index 0000000000..4812cd2af9 --- /dev/null +++ b/nptl_db/Makefile @@ -0,0 +1,57 @@ +# Copyright (C) 2002 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 Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 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 +# Lesser General Public License for more details. + +# You should have received a copy of the GNU Lesser General Public +# License along with the GNU C Library; if not, write to the Free +# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +# 02111-1307 USA. + +# Makefile for NPTL debug library subdirectory of GNU C Library. + +subdir := nptl_db + +nptl_db-version = 1.0 + +extra-libs = libthread_db +extra-libs-others := $(extra-libs) + +headers = thread_db.h + +libthread_db-routines = td_init td_log td_ta_new td_ta_delete \ + td_ta_get_nthreads td_ta_get_ph \ + td_ta_map_id2thr td_ta_map_lwp2thr \ + 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 td_symbol_list td_thr_tls_get_addr + + + +libthread_db-inhibit-o = $(filter-out .os,$(object-suffixes)) + +distribute = thread_dbP.h shlib-versions proc_service.h +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)libthread_db.so: $(common-objpfx)libc.so \ + $(common-objpfx)libc_nonshared.a diff --git a/nptl_db/Versions b/nptl_db/Versions new file mode 100644 index 0000000000..4ca8042c12 --- /dev/null +++ b/nptl_db/Versions @@ -0,0 +1,21 @@ +libthread_db { + GLIBC_2.1.3 { + # t* + td_init; td_log; td_ta_clear_event; td_ta_delete; td_ta_enable_stats; + td_ta_event_addr; td_ta_event_getmsg; td_ta_get_nthreads; td_ta_get_ph; + td_ta_get_stats; td_ta_map_id2thr; td_ta_map_lwp2thr; td_ta_new; + td_ta_reset_stats; td_ta_set_event; td_ta_setconcurrency; + td_ta_thr_iter; td_ta_tsd_iter; td_thr_clear_event; td_thr_dbresume; + td_thr_dbsuspend; td_thr_event_enable; td_thr_event_getmsg; + td_thr_get_info; td_thr_getfpregs; td_thr_getgregs; td_thr_getxregs; + td_thr_getxregsize; td_thr_set_event; td_thr_setfpregs; td_thr_setgregs; + td_thr_setprio; td_thr_setsigpending; td_thr_setxregs; td_thr_sigsetmask; + td_thr_tsd; td_thr_validate; + } + GLIBC_2.2.3 { + td_symbol_list; + } + GLIBC_2.3 { + td_thr_tls_get_addr; + } +} diff --git a/nptl_db/proc_service.h b/nptl_db/proc_service.h new file mode 100644 index 0000000000..9963c3aecd --- /dev/null +++ b/nptl_db/proc_service.h @@ -0,0 +1,73 @@ +/* Copyright (C) 1999, 2002 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 *); + + +extern ps_err_e ps_pstop (const struct ps_prochandle *); +extern ps_err_e ps_pcontinue (const struct ps_prochandle *); + +extern ps_err_e ps_lstop (const struct ps_prochandle *, lwpid_t); +extern ps_err_e ps_lcontinue (const struct ps_prochandle *, lwpid_t); + +extern ps_err_e ps_get_thread_area (const struct ps_prochandle *, lwpid_t, + int, psaddr_t *); diff --git a/nptl_db/shlib-versions b/nptl_db/shlib-versions new file mode 100644 index 0000000000..592f7fa284 --- /dev/null +++ b/nptl_db/shlib-versions @@ -0,0 +1,2 @@ +# The thread debug library +.*-.*-linux.* libthread_db=1 diff --git a/nptl_db/td_init.c b/nptl_db/td_init.c new file mode 100644 index 0000000000..946ff7244e --- /dev/null +++ b/nptl_db/td_init.c @@ -0,0 +1,32 @@ +/* Initialization function of thread debugger support library. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "thread_dbP.h" + +int __td_debug; + + +td_err_e +td_init (void) +{ + /* XXX We have to figure out what has to be done. */ + LOG ("td_init"); + return TD_OK; +} diff --git a/nptl_db/td_log.c b/nptl_db/td_log.c new file mode 100644 index 0000000000..52212a0e9f --- /dev/null +++ b/nptl_db/td_log.c @@ -0,0 +1,32 @@ +/* Noop, left for historical reasons. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 anything ourself. We might in + future do some logging if this seems reasonable. */ + LOG ("td_log"); + return TD_OK; +} diff --git a/nptl_db/td_symbol_list.c b/nptl_db/td_symbol_list.c new file mode 100644 index 0000000000..1be7001d85 --- /dev/null +++ b/nptl_db/td_symbol_list.c @@ -0,0 +1,55 @@ +/* Return list of symbols the library can request. + Copyright (C) 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2001. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <assert.h> +#include <gnu/lib-names.h> +#include "thread_dbP.h" + + +static const char *symbol_list_arr[] = +{ + [SYM_PTHREAD_THREADS_EVENTS] = "__nptl_threads_events", + [SYM_PTHREAD_LAST_EVENT] = "__nptl_last_event", + [SYM_PTHREAD_NTHREADS] = "nptl_nthreads", + [SYM_PTHREAD_STACK_USED] = "stack_used", + [SYM_PTHREAD_STACK_USER] = "__stack_user", + [SYM_PTHREAD_KEYS] = "pthread_keys", + [SYM_PTHREAD_KEYS_MAX] = "__pthread_pthread_keys_max", + [SYM_PTHREAD_SIZEOF_DESCR] = "__pthread_pthread_sizeof_descr", + [SYM_PTHREAD_CREATE_EVENT] = "__nptl_create_event", + [SYM_PTHREAD_DEATH_EVENT] = "__nptl_death_event", + [SYM_PTHREAD_VERSION] = "nptl_version", + [SYM_NUM_MESSAGES] = NULL +}; + + +const char ** +td_symbol_list (void) +{ + return symbol_list_arr; +} + + +int +td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr) +{ + assert (idx >= 0 && idx < SYM_NUM_MESSAGES); + return ps_pglobal_lookup (ps, LIBPTHREAD_SO, symbol_list_arr[idx], sym_addr); +} diff --git a/nptl_db/td_ta_clear_event.c b/nptl_db/td_ta_clear_event.c new file mode 100644 index 0000000000..611281fbaa --- /dev/null +++ b/nptl_db/td_ta_clear_event.c @@ -0,0 +1,52 @@ +/* Globally disable events. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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; +{ + LOG ("td_ta_clear_event"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + /* Write the new value into the thread data structure. */ + td_thr_events_t old_event; + 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. */ + int i; + 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; +} diff --git a/nptl_db/td_ta_delete.c b/nptl_db/td_ta_delete.c new file mode 100644 index 0000000000..57b90e57f2 --- /dev/null +++ b/nptl_db/td_ta_delete.c @@ -0,0 +1,42 @@ +/* Detach to target process. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_ta_delete"); + + /* Safety check. Note that the test will also fail for TA == NULL. */ + if (!ta_ok (ta)) + return TD_BADTA; + + /* Remove the handle from the list. */ + list_del (&ta->list); + + /* The handle was allocated in `td_ta_new'. */ + free (ta); + + return TD_OK; +} diff --git a/nptl_db/td_ta_enable_stats.c b/nptl_db/td_ta_enable_stats.c new file mode 100644 index 0000000000..ec7014ad2d --- /dev/null +++ b/nptl_db/td_ta_enable_stats.c @@ -0,0 +1,35 @@ +/* Enable collection of statistics for process. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_ta_enable_stats"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + return TD_OK; +} diff --git a/nptl_db/td_ta_event_addr.c b/nptl_db/td_ta_event_addr.c new file mode 100644 index 0000000000..906835dc73 --- /dev/null +++ b/nptl_db/td_ta_event_addr.c @@ -0,0 +1,69 @@ +/* Get event address. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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) +{ + td_err_e res = TD_NOEVENT; + int idx = -1; + + LOG ("td_ta_event_addr"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + switch (event) + { + case TD_CREATE: + idx = SYM_PTHREAD_CREATE_EVENT; + break; + + case TD_DEATH: + idx = SYM_PTHREAD_DEATH_EVENT; + break; + + default: + /* Event cannot be handled. */ + break; + } + + /* Now get the address. */ + if (idx != -1) + { + psaddr_t taddr; + + if (td_lookup (ta->ph, idx, &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; +} diff --git a/nptl_db/td_ta_event_getmsg.c b/nptl_db/td_ta_event_getmsg.c new file mode 100644 index 0000000000..4e3245d07b --- /dev/null +++ b/nptl_db/td_ta_event_getmsg.c @@ -0,0 +1,85 @@ +/* Retrieve event. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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. */ + /* XXX Use at least __thread once it is possible. */ + static td_thrhandle_t th; + + LOG ("td_ta_event_getmsg"); + + /* 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. */ + psaddr_t addr; + if (ps_pdread (ta->ph, ta->pthread_last_event, + &addr, sizeof (struct pthread *)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Read the even structure from the target. */ + if (addr == 0) + return TD_NOMSG; + + /* Read the even structure from the target. */ + td_eventbuf_t event; + if (ps_pdread (ta->ph, (char *) addr + offsetof (struct pthread, eventbuf), + &event, sizeof (td_eventbuf_t)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* If the structure is on the list there better be an event recorded. */ + assert (event.eventnum != TD_EVENT_NONE); + + /* 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; + + /* Get the pointer to the next descriptor with an event. */ + psaddr_t next; + if (ps_pdread (ta->ph, (char *) addr + offsetof (struct pthread, nextevent), + &next, sizeof (struct pthread *)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Store the pointer in the list head variable. */ + if (ps_pdwrite (ta->ph, ta->pthread_last_event, + addr, sizeof (struct pthread *)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Clear the next pointer in the current descriptor. */ + if (ps_pdwrite (ta->ph, (char *) addr + offsetof (struct pthread, nextevent), + NULL, sizeof (struct pthread *)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + return TD_OK; +} diff --git a/nptl_db/td_ta_get_nthreads.c b/nptl_db/td_ta_get_nthreads.c new file mode 100644 index 0000000000..cfe93d1b19 --- /dev/null +++ b/nptl_db/td_ta_get_nthreads.c @@ -0,0 +1,41 @@ +/* Get the number of threads in the process. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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) +{ + LOG ("td_ta_get_nthreads"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + /* Access the variable `__pthread_handles_num'. */ + psaddr_t addr; + if (td_lookup (ta->ph, SYM_PTHREAD_NTHREADS, &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/nptl_db/td_ta_get_ph.c b/nptl_db/td_ta_get_ph.c new file mode 100644 index 0000000000..04e01fb73f --- /dev/null +++ b/nptl_db/td_ta_get_ph.c @@ -0,0 +1,36 @@ +/* Get external process handle. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_ta_get_ph"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + *ph = ta->ph; + + return TD_OK; +} diff --git a/nptl_db/td_ta_get_stats.c b/nptl_db/td_ta_get_stats.c new file mode 100644 index 0000000000..d5d879c3ee --- /dev/null +++ b/nptl_db/td_ta_get_stats.c @@ -0,0 +1,35 @@ +/* Retrieve statistics for process. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_ta_get_stats"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + return TD_OK; +} diff --git a/nptl_db/td_ta_map_id2thr.c b/nptl_db/td_ta_map_id2thr.c new file mode 100644 index 0000000000..189a671713 --- /dev/null +++ b/nptl_db/td_ta_map_id2thr.c @@ -0,0 +1,38 @@ +/* Map thread ID to thread handle. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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) +{ + LOG ("td_ta_map_id2thr"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + /* Create the `td_thrhandle_t' object. */ + th->th_ta_p = (td_thragent_t *) ta; + th->th_unique = (psaddr_t) pt; + + return TD_OK; +} diff --git a/nptl_db/td_ta_map_lwp2thr.c b/nptl_db/td_ta_map_lwp2thr.c new file mode 100644 index 0000000000..326b9ee92a --- /dev/null +++ b/nptl_db/td_ta_map_lwp2thr.c @@ -0,0 +1,43 @@ +/* Which thread is running on an lwp? + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "thread_dbP.h" +#include <tls.h> + + +td_err_e +td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th) +{ + LOG ("td_ta_map_lwp2thr"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + /* Get the thread area for the addressed thread. */ + if (ps_get_thread_area (ta->ph, lwpid, TLS_GET_GS () >> 3, &th->th_unique) + != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Found it. Now complete the `td_thrhandle_t' object. */ + th->th_ta_p = (td_thragent_t *) ta; + + return TD_OK; +} diff --git a/nptl_db/td_ta_new.c b/nptl_db/td_ta_new.c new file mode 100644 index 0000000000..de564edfd8 --- /dev/null +++ b/nptl_db/td_ta_new.c @@ -0,0 +1,115 @@ +/* Attach to target process. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 <string.h> +#include <version.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. */ +LIST_HEAD (__td_agent_list); + + +td_err_e +td_ta_new (struct ps_prochandle *ps, td_thragent_t **ta) +{ + psaddr_t addr; + psaddr_t versaddr; + char versbuf[sizeof (VERSION)]; + + LOG ("td_ta_new"); + + /* 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 (td_lookup (ps, SYM_PTHREAD_THREADS_EVENTS, &addr) != PS_OK) + return TD_NOLIBTHREAD; + + /* Check whether the versions match. */ + if (td_lookup (ps, SYM_PTHREAD_VERSION, &versaddr) != PS_OK) + return TD_VERSION; + if (ps_pdread (ps, versaddr, versbuf, sizeof (versbuf)) != PS_OK) + return TD_ERR; + + if (versbuf[sizeof (versbuf) - 1] != '\0' || strcmp (versbuf, VERSION) != 0) + /* Not the right version. */ + return TD_VERSION; + + /* 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 (td_lookup (ps, SYM_PTHREAD_LAST_EVENT, &(*ta)->pthread_last_event) + != PS_OK) + { + free_return: + free (*ta); + return TD_ERR; + } + + + if (td_lookup (ps, SYM_PTHREAD_STACK_USER, &addr) != PS_OK) + goto free_return; + /* Cast to the right type. */ + (*ta)->stack_user = (list_t *) addr; + + if (td_lookup (ps, SYM_PTHREAD_STACK_USED, &addr) != PS_OK) + goto free_return; + /* Cast to the right type. */ + (*ta)->stack_used = (list_t *) addr; + + + if (td_lookup (ps, SYM_PTHREAD_KEYS, &addr) != PS_OK) + goto free_return; + /* Cast to the right type. */ + (*ta)->keys = (struct pthread_key_struct *) addr; + + + /* Similarly for the maximum number of thread local data keys. */ + if (td_lookup (ps, SYM_PTHREAD_KEYS_MAX, &addr) != PS_OK + || 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 (td_lookup (ps, SYM_PTHREAD_SIZEOF_DESCR, &addr) != PS_OK + || ps_pdread (ps, addr, &(*ta)->sizeof_descr, sizeof (int)) != PS_OK) + goto free_return; + + + /* Now add the new agent descriptor to the list. */ + list_add (&(*ta)->list, &__td_agent_list); + + return TD_OK; +} diff --git a/nptl_db/td_ta_reset_stats.c b/nptl_db/td_ta_reset_stats.c new file mode 100644 index 0000000000..ea59d2cdaf --- /dev/null +++ b/nptl_db/td_ta_reset_stats.c @@ -0,0 +1,35 @@ +/* Reset statistics. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_ta_reset_stats"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + return TD_OK; +} diff --git a/nptl_db/td_ta_set_event.c b/nptl_db/td_ta_set_event.c new file mode 100644 index 0000000000..5e2cca795d --- /dev/null +++ b/nptl_db/td_ta_set_event.c @@ -0,0 +1,52 @@ +/* Globally enable events. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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; +{ + LOG ("td_ta_set_event"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + /* Write the new value into the thread data structure. */ + td_thr_events_t old_event; + 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. */ + int i; + 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; +} diff --git a/nptl_db/td_ta_setconcurrency.c b/nptl_db/td_ta_setconcurrency.c new file mode 100644 index 0000000000..8552ffbe01 --- /dev/null +++ b/nptl_db/td_ta_setconcurrency.c @@ -0,0 +1,35 @@ +/* Set suggested concurrency level for process. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 need to support. */ + LOG ("td_ta_setconcurrency"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + return TD_NOCAPAB; +} diff --git a/nptl_db/td_ta_thr_iter.c b/nptl_db/td_ta_thr_iter.c new file mode 100644 index 0000000000..ca1c82df6b --- /dev/null +++ b/nptl_db/td_ta_thr_iter.c @@ -0,0 +1,125 @@ +/* Iterate over a process's threads. + Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "thread_dbP.h" +#include <nptl/descr.h> + + +static td_err_e +iterate_thread_list (const td_thragent_t *ta, td_thr_iter_f *callback, + void *cbdata_p, td_thr_state_e state, int ti_pri, + psaddr_t head) +{ + list_t list; + td_err_e result = TD_OK; + + /* Test the state. + XXX This is incomplete. Normally this test should be in the loop. */ + if (state != TD_THR_ANY_STATE) + return TD_OK; + + if (ps_pdread (ta->ph, head, &list, sizeof (list_t)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + while (list.next != head) + { + psaddr_t addr = ((psaddr_t) list.next + - offsetof (struct pthread, header.data.list)); + + int schedpolicy; + if (ps_pdread (ta->ph, &((struct pthread *) addr)->schedpolicy, + &schedpolicy, sizeof (int)) != PS_OK) + { + result = TD_ERR; /* XXX Other error value? */ + break; + } + + struct sched_param schedparam; + if (ps_pdread (ta->ph, &((struct pthread *) addr)->schedparam, + &schedparam, sizeof (struct sched_param)) != PS_OK) + { + result = TD_ERR; /* XXX Other error value? */ + break; + } + + /* Now test whether this thread matches the specified + conditions. */ + + /* Only if the priority level is as high or higher. */ + int descr_pri = (schedpolicy == SCHED_OTHER + ? 0 : schedparam.sched_priority); + if (descr_pri >= ti_pri) + { + /* 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. */ + int cancelhandling; + if (ps_pdread (ta->ph, &((struct pthread *) addr)->cancelhandling, + &cancelhandling, sizeof (int)) != PS_OK) + { + result = TD_ERR; /* XXX Other error value? */ + break; + } + + if ((cancelhandling & TERMINATED_BIT) == 0) + { + /* Yep, it matches. Call the callback function. */ + td_thrhandle_t th; + th.th_ta_p = (td_thragent_t *) ta; + th.th_unique = addr; + if (callback (&th, cbdata_p) != 0) + return TD_DBERR; + } + } + } + + return result; +} + + +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) +{ + LOG ("td_ta_thr_iter"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + /* The thread library keeps two lists for the running threads. One + list contains the thread which are using user-provided stacks + (this includes the main thread) and the other includes the + threads for which the thread library allocated the stacks. We + have to iterate over both lists separately. We start with the + list of threads with user-defined stacks. */ + td_err_e result = iterate_thread_list (ta, callback, cbdata_p, state, ti_pri, + ta->stack_user); + + /* And the threads with stacks allocated by the implementation. */ + if (result == TD_OK) + result = iterate_thread_list (ta, callback, cbdata_p, state, ti_pri, + ta->stack_used); + + return result; +} diff --git a/nptl_db/td_ta_tsd_iter.c b/nptl_db/td_ta_tsd_iter.c new file mode 100644 index 0000000000..cbc2f37c51 --- /dev/null +++ b/nptl_db/td_ta_tsd_iter.c @@ -0,0 +1,53 @@ +/* Iterate over a process's thread-specific data. + Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "thread_dbP.h" +#include <alloca.h> + +td_err_e +td_ta_tsd_iter (const td_thragent_t *ta, td_key_iter_f *callback, + void *cbdata_p) +{ + LOG ("td_ta_tsd_iter"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + int pthread_keys_max = ta->pthread_keys_max; + struct pthread_key_struct *keys; + 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. */ + int cnt; + for (cnt = 0; cnt < pthread_keys_max; ++cnt) + if (!KEY_UNUSED (keys[cnt].seq) + /* 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; +} diff --git a/nptl_db/td_thr_clear_event.c b/nptl_db/td_thr_clear_event.c new file mode 100644 index 0000000000..e729b52706 --- /dev/null +++ b/nptl_db/td_thr_clear_event.c @@ -0,0 +1,54 @@ +/* Disable specific event for thread. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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; +{ + LOG ("td_thr_clear_event"); + + /* Write the new value into the thread data structure. */ + td_thr_events_t old_event; + if (ps_pdread (th->th_ta_p->ph, + ((char *) th->th_unique + + offsetof (struct pthread, eventbuf.eventmask)), + &old_event, sizeof (td_thrhandle_t)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Remove the set bits in. */ + int i; + 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, eventbuf.eventmask)), + &old_event, sizeof (td_thrhandle_t)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + return TD_OK; +} diff --git a/nptl_db/td_thr_dbresume.c b/nptl_db/td_thr_dbresume.c new file mode 100644 index 0000000000..3fd7943779 --- /dev/null +++ b/nptl_db/td_thr_dbresume.c @@ -0,0 +1,30 @@ +/* Resume execution of given thread. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_thr_dbresume"); + return TD_NOCAPAB; +} diff --git a/nptl_db/td_thr_dbsuspend.c b/nptl_db/td_thr_dbsuspend.c new file mode 100644 index 0000000000..6ef82ad34f --- /dev/null +++ b/nptl_db/td_thr_dbsuspend.c @@ -0,0 +1,30 @@ +/* Suspend execution of given thread. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_thr_dbsuspend"); + return TD_NOCAPAB; +} diff --git a/nptl_db/td_thr_event_enable.c b/nptl_db/td_thr_event_enable.c new file mode 100644 index 0000000000..e822453e63 --- /dev/null +++ b/nptl_db/td_thr_event_enable.c @@ -0,0 +1,41 @@ +/* Enable event process-wide. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_thr_event_enable"); + + /* Write the new value into the thread data structure. */ + if (ps_pdwrite (th->th_ta_p->ph, + ((char *) th->th_unique + + offsetof (struct pthread, report_events)), + &onoff, sizeof (int)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + return TD_OK; +} diff --git a/nptl_db/td_thr_event_getmsg.c b/nptl_db/td_thr_event_getmsg.c new file mode 100644 index 0000000000..ffd0baadc5 --- /dev/null +++ b/nptl_db/td_thr_event_getmsg.c @@ -0,0 +1,60 @@ +/* Retrieve event. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_thr_event_getmsg"); + + /* Read the even structure from the target. */ + if (ps_pdread (th->th_ta_p->ph, + ((char *) th->th_unique + + offsetof (struct pthread, 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, eventbuf)), + &event, sizeof (td_eventbuf_t)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + return TD_OK; +} diff --git a/nptl_db/td_thr_get_info.c b/nptl_db/td_thr_get_info.c new file mode 100644 index 0000000000..0686649d54 --- /dev/null +++ b/nptl_db/td_thr_get_info.c @@ -0,0 +1,64 @@ +/* Get thread information. + Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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) +{ + LOG ("td_thr_get_info"); + + /* Get the thread descriptor. */ + struct pthread pds; + if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds, + sizeof (struct pthread)) != 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_tid = pds.tid; + infop->ti_tls = (char *) pds.specific; + infop->ti_pri = (pds.schedpolicy == SCHED_OTHER + ? 0 : pds.schedparam.sched_priority); + infop->ti_type = TD_THR_USER; + + if ((pds.cancelhandling & EXITING_BIT) == 0) + /* XXX For now there is no way to get more information. */ + infop->ti_state = TD_THR_ACTIVE; + else if ((pds.cancelhandling & TERMINATED_BIT) == 0) + infop->ti_state = TD_THR_ZOMBIE; + else + infop->ti_state = TD_THR_UNKNOWN; + + /* Initialization which are the same in both cases. */ + infop->ti_lid = ps_getpid (th->th_ta_p->ph); + infop->ti_ta_p = th->th_ta_p; + infop->ti_startfunc = pds.start_routine; + memcpy (&infop->ti_events, &pds.eventbuf.eventmask, + sizeof (td_thr_events_t)); + infop->ti_traceme = pds.report_events != false; + + return TD_OK; +} diff --git a/nptl_db/td_thr_getfpregs.c b/nptl_db/td_thr_getfpregs.c new file mode 100644 index 0000000000..360e1d2f29 --- /dev/null +++ b/nptl_db/td_thr_getfpregs.c @@ -0,0 +1,52 @@ +/* Get a thread's floating-point register set. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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) +{ + LOG ("td_thr_getfpregs"); + + /* We have to get the state and the PID for this thread. */ + int cancelhandling; + if (ps_pdread (th->th_ta_p->ph, + &((struct pthread *) th->th_unique)->cancelhandling, + &cancelhandling, sizeof (int)) != PS_OK) + return TD_ERR; + + /* If the thread already terminated we return all zeroes. */ + if (cancelhandling & TERMINATED_BIT) + memset (regset, '\0', sizeof (*regset)); + /* Otherwise get the register content through the callback. */ + else + { + pid_t tid; + + if (ps_pdread (th->th_ta_p->ph, + &((struct pthread *) th->th_unique)->tid, + &tid, sizeof (pid_t)) != PS_OK + || ps_lgetfpregs (th->th_ta_p->ph, tid, regset) != PS_OK) + return TD_ERR; + } + + return TD_OK; +} diff --git a/nptl_db/td_thr_getgregs.c b/nptl_db/td_thr_getgregs.c new file mode 100644 index 0000000000..2485e5d6e2 --- /dev/null +++ b/nptl_db/td_thr_getgregs.c @@ -0,0 +1,52 @@ +/* Get a thread's general register set. + Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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) +{ + LOG ("td_thr_getgregs"); + + /* We have to get the state and the PID for this thread. */ + int cancelhandling; + if (ps_pdread (th->th_ta_p->ph, + &((struct pthread *) th->th_unique)->cancelhandling, + &cancelhandling, sizeof (int)) != PS_OK) + return TD_ERR; + + /* If the thread already terminated we return all zeroes. */ + if (cancelhandling & TERMINATED_BIT) + memset (gregs, '\0', sizeof (prgregset_t)); + /* Otherwise get the register content through the callback. */ + else + { + pid_t tid; + + if (ps_pdread (th->th_ta_p->ph, + &((struct pthread *) th->th_unique)->tid, + &tid, sizeof (pid_t)) != PS_OK + || ps_lgetregs (th->th_ta_p->ph, tid, gregs) != PS_OK) + return TD_ERR; + } + + return TD_OK; +} diff --git a/nptl_db/td_thr_getxregs.c b/nptl_db/td_thr_getxregs.c new file mode 100644 index 0000000000..3c77ab6be8 --- /dev/null +++ b/nptl_db/td_thr_getxregs.c @@ -0,0 +1,30 @@ +/* Get a thread's extra state register set. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_thr_getxregs"); + return TD_NOXREGS; +} diff --git a/nptl_db/td_thr_getxregsize.c b/nptl_db/td_thr_getxregsize.c new file mode 100644 index 0000000000..1704e4b0a4 --- /dev/null +++ b/nptl_db/td_thr_getxregsize.c @@ -0,0 +1,30 @@ +/* Get the size of the extra state register set for this architecture. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_thr_getxregsize"); + return TD_NOXREGS; +} diff --git a/nptl_db/td_thr_set_event.c b/nptl_db/td_thr_set_event.c new file mode 100644 index 0000000000..656728c438 --- /dev/null +++ b/nptl_db/td_thr_set_event.c @@ -0,0 +1,54 @@ +/* Enable specific event for thread. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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; +{ + LOG ("td_thr_set_event"); + + /* Write the new value into the thread data structure. */ + td_thr_events_t old_event; + if (ps_pdread (th->th_ta_p->ph, + ((char *) th->th_unique + + offsetof (struct pthread, eventbuf.eventmask)), + &old_event, sizeof (td_thrhandle_t)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Or the new bits in. */ + int i; + 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, eventbuf.eventmask)), + &old_event, sizeof (td_thrhandle_t)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + return TD_OK; +} diff --git a/nptl_db/td_thr_setfpregs.c b/nptl_db/td_thr_setfpregs.c new file mode 100644 index 0000000000..e1ec9be66e --- /dev/null +++ b/nptl_db/td_thr_setfpregs.c @@ -0,0 +1,49 @@ +/* Set a thread's floating-point register set. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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) +{ + LOG ("td_thr_setfpregs"); + + /* We have to get the state and the PID for this thread. */ + int cancelhandling; + if (ps_pdread (th->th_ta_p->ph, + &((struct pthread *) th->th_unique)->cancelhandling, + &cancelhandling, sizeof (int)) != PS_OK) + return TD_ERR; + + /* Only set the registers if the thread hasn't yet terminated. */ + if ((cancelhandling & TERMINATED_BIT) == 0) + { + pid_t tid; + + if (ps_pdread (th->th_ta_p->ph, + &((struct pthread *) th->th_unique)->tid, + &tid, sizeof (pid_t)) != PS_OK + || ps_lsetfpregs (th->th_ta_p->ph, tid, fpregs) != PS_OK) + return TD_ERR; + } + + return TD_OK; +} diff --git a/nptl_db/td_thr_setgregs.c b/nptl_db/td_thr_setgregs.c new file mode 100644 index 0000000000..d46e32a11e --- /dev/null +++ b/nptl_db/td_thr_setgregs.c @@ -0,0 +1,49 @@ +/* Set a thread's general register set. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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) +{ + LOG ("td_thr_setgregs"); + + /* We have to get the state and the PID for this thread. */ + int cancelhandling; + if (ps_pdread (th->th_ta_p->ph, + &((struct pthread *) th->th_unique)->cancelhandling, + &cancelhandling, sizeof (int)) != PS_OK) + return TD_ERR; + + /* Only set the registers if the thread hasn't yet terminated. */ + if ((cancelhandling & TERMINATED_BIT) == 0) + { + pid_t tid; + + if (ps_pdread (th->th_ta_p->ph, + &((struct pthread *) th->th_unique)->tid, + &tid, sizeof (pid_t)) != PS_OK + || ps_lsetregs (th->th_ta_p->ph, tid, gregs) != PS_OK) + return TD_ERR; + } + + return TD_OK; +} diff --git a/nptl_db/td_thr_setprio.c b/nptl_db/td_thr_setprio.c new file mode 100644 index 0000000000..6032b0ed48 --- /dev/null +++ b/nptl_db/td_thr_setprio.c @@ -0,0 +1,30 @@ +/* Set a thread's priority. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_thr_setprio"); + return TD_OK; +} diff --git a/nptl_db/td_thr_setsigpending.c b/nptl_db/td_thr_setsigpending.c new file mode 100644 index 0000000000..e2c9d7ad26 --- /dev/null +++ b/nptl_db/td_thr_setsigpending.c @@ -0,0 +1,31 @@ +/* Raise a signal for a thread. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_thr_setsigpending"); + return TD_OK; +} diff --git a/nptl_db/td_thr_setxregs.c b/nptl_db/td_thr_setxregs.c new file mode 100644 index 0000000000..f48877c78e --- /dev/null +++ b/nptl_db/td_thr_setxregs.c @@ -0,0 +1,30 @@ +/* Set a thread's extra state register set. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_thr_setxregs"); + return TD_NOXREGS; +} diff --git a/nptl_db/td_thr_sigsetmask.c b/nptl_db/td_thr_sigsetmask.c new file mode 100644 index 0000000000..3a68aecd39 --- /dev/null +++ b/nptl_db/td_thr_sigsetmask.c @@ -0,0 +1,30 @@ +/* Set a thread's signal mask. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 ("td_thr_sigsetmask"); + return TD_OK; +} diff --git a/nptl_db/td_thr_tls_get_addr.c b/nptl_db/td_thr_tls_get_addr.c new file mode 100644 index 0000000000..5bbdc50c3f --- /dev/null +++ b/nptl_db/td_thr_tls_get_addr.c @@ -0,0 +1,70 @@ +/* Get address of thread local variable. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + + +#include "link.h" +#include "thread_dbP.h" + +/* Value used for dtv entries for which the allocation is delayed. */ +# define TLS_DTV_UNALLOCATED ((void *) -1l) + + +td_err_e +td_thr_tls_get_addr (const td_thrhandle_t *th __attribute__ ((unused)), + void *map_address __attribute__ ((unused)), + size_t offset __attribute__ ((unused)), + void **address __attribute__ ((unused))) +{ +#if USE_TLS + size_t modid; + union dtv pdtv, *dtvp; + + LOG ("td_thr_tls_get_addr"); + + /* Get the DTV pointer from the thread descriptor. */ + if (ps_pdread (th->th_ta_p->ph, + &((struct pthread *) th->th_unique)->header.data.dtvp, + &dtvp, sizeof dtvp) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Read the module ID from the link_map. */ + if (ps_pdread (th->th_ta_p->ph, + &((struct link_map *) map_address)->l_tls_modid, + &modid, sizeof modid) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Get the corresponding entry in the DTV. */ + if (ps_pdread (th->th_ta_p->ph, dtvp + modid, + &pdtv, sizeof (union dtv)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* It could be that the memory for this module is not allocated for + the given thread. */ + if (pdtv.pointer == TLS_DTV_UNALLOCATED) + /* There is not much we can do. */ + return TD_NOTALLOC; + + *address = (char *) pdtv.pointer + offset; + + return TD_OK; +#else + return TD_ERR; +#endif +} diff --git a/nptl_db/td_thr_tsd.c b/nptl_db/td_thr_tsd.c new file mode 100644 index 0000000000..d1a54537ff --- /dev/null +++ b/nptl_db/td_thr_tsd.c @@ -0,0 +1,71 @@ +/* Get a thread-specific data pointer for a thread. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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) +{ + LOG ("td_thr_tsd"); + + /* Check correct value of key. */ + if (tk >= th->th_ta_p->pthread_keys_max) + return TD_BADKEY; + + /* Get the key entry. */ + uintptr_t seq; + if (ps_pdread (th->th_ta_p->ph, &th->th_ta_p->keys[tk].seq, &seq, + sizeof (uintptr_t)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Fail if this key is not at all used. */ + if (KEY_UNUSED (seq)) + return TD_BADKEY; + + /* Compute the indeces. */ + int pthread_key_2ndlevel_size = th->th_ta_p->pthread_key_2ndlevel_size; + unsigned int idx1st = tk / pthread_key_2ndlevel_size; + unsigned int idx2nd = tk % pthread_key_2ndlevel_size; + + struct pthread_key_data *level1; + if (ps_pdread (th->th_ta_p->ph, + &((struct pthread *) th->th_unique)->specific[idx1st], + &level1, sizeof (level1)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Check the pointer to the second level array. */ + if (level1 == NULL) + return TD_NOTSD; + + struct pthread_key_data level2; + if (ps_pdread (th->th_ta_p->ph, &level1[idx2nd], &level2, + sizeof (level2)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Check whether the data is valid. */ + if (level2.seq != seq) + return TD_NOTSD; + + if (level2.data != NULL) + *data = level2.data; + + return TD_OK; +} diff --git a/nptl_db/td_thr_validate.c b/nptl_db/td_thr_validate.c new file mode 100644 index 0000000000..76cbad31cf --- /dev/null +++ b/nptl_db/td_thr_validate.c @@ -0,0 +1,66 @@ +/* Validate a thread handle. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "thread_dbP.h" + + +static td_err_e +check_thread_list (const td_thrhandle_t *th, psaddr_t head) +{ + list_t list; + td_err_e result = TD_NOTHR; + + if (ps_pdread (th->th_ta_p->ph, head, &list.next, sizeof (list.next)) + != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + while (list.next != head) + if ((psaddr_t) list.next - offsetof (struct pthread, header.data.list) + == th->th_unique) + { + result = TD_OK; + break; + } + else if (ps_pdread (th->th_ta_p->ph, list.next, &list.next, + sizeof (list.next)) != PS_OK) + { + result = TD_ERR; /* XXX Other error value? */ + break; + } + + return result; +} + + +td_err_e +td_thr_validate (const td_thrhandle_t *th) +{ + LOG ("td_thr_validate"); + + /* First check the list with threads using user allocated stacks. */ + td_err_e result = check_thread_list (th, th->th_ta_p->stack_user); + + /* If our thread is not on this list search the list with stack + using implementation allocated stacks. */ + if (result == TD_NOTHR) + result = check_thread_list (th, th->th_ta_p->stack_used); + + return result; +} diff --git a/nptl_db/thread_db.h b/nptl_db/thread_db.h new file mode 100644 index 0000000000..acb0607662 --- /dev/null +++ b/nptl_db/thread_db.h @@ -0,0 +1,451 @@ +/* Copyright (C) 1999, 2001, 2002 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 NPTL 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_NOTALLOC, /* TLS memory not yet allocated. */ + TD_VERSION /* Version if libpthread and libthread_db do not match. */ +} 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; + + +/* Forward declaration of a type defined by and for the dynamic linker. */ +struct link_map; + + +/* 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); + +/* Return list of symbols the library can request. */ +extern const char **td_symbol_list (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); + + +/* Get address of thread local variable. */ +extern td_err_e td_thr_tls_get_addr (const td_thrhandle_t *__th, + void *__map_address, size_t __offset, + void **__address); + + +/* 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/nptl_db/thread_dbP.h b/nptl_db/thread_dbP.h new file mode 100644 index 0000000000..4407143af0 --- /dev/null +++ b/nptl_db/thread_dbP.h @@ -0,0 +1,98 @@ +/* Private header for thread debug library. */ +#ifndef _THREAD_DBP_H +#define _THREAD_DBP_H 1 + +#include <stdbool.h> +#include <string.h> +#include <unistd.h> +#include "proc_service.h" +#include "thread_db.h" +#include "../nptl/pthreadP.h" +#include <list.h> + + +/* Indeces for the symbol names. */ +enum + { + SYM_PTHREAD_THREADS_EVENTS = 0, + SYM_PTHREAD_LAST_EVENT, + SYM_PTHREAD_NTHREADS, + SYM_PTHREAD_STACK_USED, + SYM_PTHREAD_STACK_USER, + SYM_PTHREAD_KEYS, + SYM_PTHREAD_KEYS_MAX, + SYM_PTHREAD_SIZEOF_DESCR, + SYM_PTHREAD_CREATE_EVENT, + SYM_PTHREAD_DEATH_EVENT, + SYM_PTHREAD_VERSION, + SYM_NUM_MESSAGES + }; + + +/* Comment out the following for less verbose output. */ +#ifndef NDEBUG +# define LOG(c) if (__td_debug) __libc_write (2, c "\n", strlen (c "\n")) +extern int __td_debug; +#else +# define LOG(c) +#endif + + +/* 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. */ + + /* Lists of running threads. */ + psaddr_t stack_used; + psaddr_t stack_user; + + /* Address of the `pthread_keys' array. */ + struct pthread_key_struct *keys; + + /* 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; + + /* List head the queue agent structures. */ + list_t list; +}; + + +/* List of all known descriptors. */ +extern list_t __td_agent_list; + + +/* Function used to test for correct thread agent pointer. */ +static inline bool +ta_ok (const td_thragent_t *ta) +{ + list_t *runp; + + list_for_each (runp, &__td_agent_list) + if (list_entry (runp, td_thragent_t, list) == ta) + return true; + + return false; +} + + +/* Internal wrapper around ps_pglobal_lookup. */ +extern int td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr); + +#endif /* thread_dbP.h */ |