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author"Steven J. Hill" <sjhill@realitydiluted.com>2005-05-07 02:04:55 +0000
committer"Steven J. Hill" <sjhill@realitydiluted.com>2005-05-07 02:04:55 +0000
commit0b3366f6a93ac0f7e2028745ea557c0acd8722c6 (patch)
tree2a87cb353c106eb55a44437d3b4d5e0d60af1d36 /libpthread/nptl_db/db_info.c
parent2274f6b2ddc7d7ea919a8fa1f9c54ef1920cb180 (diff)
Import in NPTL code from glibc. For further information please
consult the 'README.NPTL' file.
Diffstat (limited to 'libpthread/nptl_db/db_info.c')
-rw-r--r--libpthread/nptl_db/db_info.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/libpthread/nptl_db/db_info.c b/libpthread/nptl_db/db_info.c
new file mode 100644
index 000000000..5000b99ba
--- /dev/null
+++ b/libpthread/nptl_db/db_info.c
@@ -0,0 +1,103 @@
+/* This file is included by pthread_create.c to define in libpthread
+ all the magic symbols required by libthread_db.
+
+ Copyright (C) 2003, 2004 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. If TLS_TCB_SIZE == 0 (on PowerPC), there is no TCB
+ containing the DTV at the TP, but actually the TCB lies behind the TP,
+ i.e. at the very end of the area covered by TLS_PRE_TCB_SIZE. */
+DESC (_thread_db_pthread_dtvp,
+ TLS_PRE_TCB_SIZE + offsetof (tcbhead_t, dtv)
+ - (TLS_TCB_SIZE == 0 ? sizeof (tcbhead_t) : 0), 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. */
+#define DB_FUNCTION(name) /* Nothing. */
+#include "structs.def"
+#undef DB_STRUCT
+#undef DB_STRUCT_FIELD
+#undef DB_SYMBOL
+#undef DB_FUNCTION
+#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, size, regofs, bias) \
+ DB_DEFINE_DESC (_thread_db_register##bits, size, (uint32_t)(bias), (regofs));
+
+DB_THREAD_SELF
+#endif