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"); + |