2003-08-22 Roland McGrath <roland@redhat.com>
authorroland <roland>
Tue, 9 Sep 2003 06:58:25 +0000 (06:58 +0000)
committerroland <roland>
Tue, 9 Sep 2003 06:58:25 +0000 (06:58 +0000)
* thread_db.h (td_thr_tls_get_addr): Use psaddr_t in signature.
* structs.def [USE_TLS]: Add DB_STRUCT_FIELD (link_map, l_tls_modid).
* db_info.c (link_map): Typedef it.
* td_thr_tls_get_addr.c (td_thr_tls_get_addr): Rewritten.
2003-08-14  Roland McGrath  <roland@redhat.com>

* thread_dbP.h: Mostly rewritten with many new macros and decls.
* td_ta_new.c (td_ta_new): Don't cache a lot of symbol values.
* structs.def: New file.
* db_info.c: New file.
* td_symbol_list.c (symbol_list_arr): Define with structs.def macros.
* td_ta_clear_event.c: Rewritten.
* td_ta_event_addr.c: Rewritten.
* td_ta_event_getmsg.c: Rewritten.
* td_ta_get_nthreads.c: Rewritten.
* td_ta_map_lwp2thr.c: New file.
* td_ta_set_event.c: Rewritten.
* td_ta_thr_iter.c: Rewritten.
* td_ta_tsd_iter.c: Rewritten.
* td_thr_clear_event.c: Rewritten.
* td_thr_event_enable.c: Rewritten.
* td_thr_event_getmsg.c: Rewritten.
* td_thr_get_info.c: Rewritten.
* td_thr_getfpregs.c: Rewritten.
* td_thr_getgregs.c: Rewritten.
* td_thr_set_event.c: Rewritten.
* td_thr_setfpregs.c: Rewritten.
* td_thr_setgregs.c: Rewritten.
* td_thr_tlsbase.c: Rewritten.
* td_thr_tsd.c: Rewritten.
* td_thr_validate.c: Rewritten.
* Makefile (distribute): Add them.
* fetch-value.c: New file.
* Makefile (libthread_db-routines): Add it.

nptl_db/db_info.c [new file with mode: 0644]
nptl_db/structs.def [new file with mode: 0644]

diff --git a/nptl_db/db_info.c b/nptl_db/db_info.c
new file mode 100644 (file)
index 0000000..aa48536
--- /dev/null
@@ -0,0 +1,98 @@
+/* This file is included by pthread_create.c to define in libpthread
+   all the magic symbols required by libthread_db.
+
+   Copyright (C) 2003 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.  */
+
+#include "thread_dbP.h"
+#include <tls.h>
+
+typedef struct pthread pthread;
+typedef struct pthread_key_struct pthread_key_struct;
+typedef struct pthread_key_data pthread_key_data;
+typedef struct
+{
+  struct pthread_key_data data[PTHREAD_KEY_2NDLEVEL_SIZE];
+}
+pthread_key_data_level2;
+
+typedef struct
+{
+  union dtv dtv[UINT32_MAX / 2 / sizeof (union dtv)]; /* No constant bound.  */
+} dtv;
+
+typedef struct link_map link_map;
+
+
+#define schedparam_sched_priority schedparam.sched_priority
+
+#define eventbuf_eventmask eventbuf.eventmask
+#define eventbuf_eventmask_event_bits eventbuf.eventmask.event_bits
+
+#define DESC(name, offset, obj) \
+  DB_DEFINE_DESC (name, 8 * sizeof (obj), 1, offset);
+#define ARRAY_DESC(name, offset, obj) \
+  DB_DEFINE_DESC (name, \
+                 8 * sizeof (obj)[0], sizeof (obj) / sizeof (obj)[0], \
+                 offset);
+
+#if TLS_TCB_AT_TP
+# define dtvp header.dtv
+#elif TLS_DTV_AT_TP
+/* Special case hack.  */
+DESC (_thread_db_pthread_dtvp,
+      TLS_PRE_TCB_SIZE + offsetof (tcbhead_t, dtv), union dtv)
+#endif
+
+
+#define DB_STRUCT(type) \
+  const uint32_t _thread_db_sizeof_##type = sizeof (type);
+#define DB_STRUCT_FIELD(type, field) \
+  DESC (_thread_db_##type##_##field, \
+       offsetof (type, field), ((type *) 0)->field)
+#define DB_STRUCT_ARRAY_FIELD(type, field) \
+  ARRAY_DESC (_thread_db_##type##_##field, \
+             offsetof (type, field), ((type *) 0)->field)
+#define DB_VARIABLE(name) DESC (_thread_db_##name, 0, name)
+#define DB_ARRAY_VARIABLE(name) ARRAY_DESC (_thread_db_##name, 0, name)
+#define DB_SYMBOL(name)        /* Nothing.  */
+#include "structs.def"
+#undef DB_STRUCT
+#undef DB_STRUCT_FIELD
+#undef DB_SYMBOL
+#undef DB_VARIABLE
+#undef DESC
+
+
+
+#ifdef DB_THREAD_SELF
+# ifdef DB_THREAD_SELF_INCLUDE
+#  include DB_THREAD_SELF_INCLUDE
+# endif
+
+/* This macro is defined in the machine's tls.h using the three below.  */
+# define CONST_THREAD_AREA(bits, value) \
+  const uint32_t _thread_db_const_thread_area = (value);
+# define REGISTER_THREAD_AREA(bits, regofs, scale) \
+  DB_DEFINE_DESC (_thread_db_register##bits##_thread_area, \
+                 bits, (scale), (regofs));
+# define REGISTER(bits, regofs, bias) \
+  DB_DEFINE_DESC (_thread_db_register##bits, bits, (uint32_t)(bias), (regofs));
+
+DB_THREAD_SELF
+#endif
diff --git a/nptl_db/structs.def b/nptl_db/structs.def
new file mode 100644 (file)
index 0000000..c8b31bb
--- /dev/null
@@ -0,0 +1,86 @@
+/* List of types and symbols in libpthread examined by libthread_db.
+   Copyright (C) 2003 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 DB_STRUCT_ARRAY_FIELD
+# define DB_STRUCT_ARRAY_FIELD(type, field) DB_STRUCT_FIELD (type, field)
+# define DB_ARRAY_VARIABLE(name) DB_VARIABLE (name)
+# define STRUCTS_DEF_DEFAULTS 1
+#endif
+
+DB_STRUCT (pthread)
+DB_STRUCT_FIELD (pthread, list)
+DB_STRUCT_FIELD (pthread, report_events)
+DB_STRUCT_FIELD (pthread, tid)
+DB_STRUCT_FIELD (pthread, start_routine)
+DB_STRUCT_FIELD (pthread, cancelhandling)
+DB_STRUCT_FIELD (pthread, schedpolicy)
+DB_STRUCT_FIELD (pthread, schedparam_sched_priority)
+DB_STRUCT_FIELD (pthread, specific)
+DB_STRUCT_FIELD (pthread, eventbuf)
+DB_STRUCT_FIELD (pthread, eventbuf_eventmask)
+DB_STRUCT_ARRAY_FIELD (pthread, eventbuf_eventmask_event_bits)
+DB_STRUCT_FIELD (pthread, nextevent)
+
+DB_STRUCT (list_t)
+DB_STRUCT_FIELD (list_t, next)
+DB_STRUCT_FIELD (list_t, prev)
+
+DB_STRUCT (td_thr_events_t)
+DB_STRUCT_ARRAY_FIELD (td_thr_events_t, event_bits)
+
+DB_STRUCT (td_eventbuf_t)
+DB_STRUCT_FIELD (td_eventbuf_t, eventnum)
+DB_STRUCT_FIELD (td_eventbuf_t, eventdata)
+
+DB_SYMBOL (stack_used)
+DB_SYMBOL (__stack_user)
+DB_SYMBOL (nptl_version)
+DB_SYMBOL (__nptl_create_event)
+DB_SYMBOL (__nptl_death_event)
+DB_SYMBOL (__nptl_threads_events)
+DB_VARIABLE (__nptl_nthreads)
+DB_VARIABLE (__nptl_last_event)
+
+DB_ARRAY_VARIABLE (__pthread_keys)
+DB_STRUCT (pthread_key_struct)
+DB_STRUCT_FIELD (pthread_key_struct, seq)
+DB_STRUCT_FIELD (pthread_key_struct, destr)
+
+DB_STRUCT (pthread_key_data)
+DB_STRUCT_FIELD (pthread_key_data, seq)
+DB_STRUCT_FIELD (pthread_key_data, data)
+DB_STRUCT (pthread_key_data_level2)
+DB_STRUCT_ARRAY_FIELD (pthread_key_data_level2, data)
+
+#if USE_TLS
+DB_STRUCT_FIELD (link_map, l_tls_modid)
+#endif
+
+#if !defined IS_IN_libpthread || USE_TLS
+DB_STRUCT_ARRAY_FIELD (dtv, dtv)
+#endif
+#if !defined IS_IN_libpthread || TLS_TCB_AT_TP
+DB_STRUCT_FIELD (pthread, dtvp)
+#endif
+
+#ifdef STRUCTS_DEF_DEFAULTS
+# undef DB_STRUCT_ARRAY_FIELD
+# undef DB_ARRAY_VARIABLE
+# undef STRUCTS_DEF_DEFAULTS
+#endif