Update.

1999-10-07  Ulrich Drepper  <drepper@cygnus.com>

	* Implies: New file.
	* internals.h (struct _pthread_descr_struct): Add p_startfct.
	* manager.c (pthread_handle_create): Initialize p_startfct.
	* pthread.c: Define __linuxthread_pthread_sizeof_descr variable.

1 files changed, 115 insertions, 0 deletions

diff --git a/linuxthreads_db/td_ta_new.c b/linuxthreads_db/td_ta_new.c
new file mode 100644
index 0000000000..d018ac6807
--- /dev/null
+++ b/linuxthreads_db/td_ta_new.c
@@ -0,0 +1,115 @@
+/* Attach to target process.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+
+   Boston, MA 02111-1307, USA.  */
+
+#include <stddef.h>
+#include <stdlib.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_new (struct ps_prochandle *ps, td_thragent_t **ta)
+{
+  psaddr_t addr;
+
+  LOG (__FUNCTION__);
+
+  /* See whether the library contains the necessary symbols.  */
+  if (ps_pglobal_lookup (ps, "libpthread.so.0", "__pthread_threads_debug",
+		         &addr) != PS_OK)
+    return TD_LIBTHREAD;
+
+  /* Fill in the appropriate information.  */
+  *ta = (td_thragent_t *) malloc (sizeof (td_thragent_t));
+  if (*ta == NULL)
+    return TD_MALLOC;
+
+  /* Store the proc handle which we will pass to the callback functions
+     back into the debugger.  */
+  (*ta)->ph = ps;
+
+  /* See whether the library contains the necessary symbols.  */
+  if (ps_pglobal_lookup (ps, "libpthread.so.0", "__pthread_handles",
+		         &addr) != PS_OK)
+    {
+    free_return:
+      free (*ta);
+      return TD_ERR;
+    }
+
+  (*ta)->handles = (struct pthread_handle_struct *) addr;
+
+
+  if (ps_pglobal_lookup (ps, "libpthread.so.0", "pthread_keys",
+		         &addr) != PS_OK)
+    goto free_return;
+
+  /* Cast to the right type.  */
+  (*ta)->keys = (struct pthread_key_struct *) addr;
+
+  /* Find out about the maximum number of threads.  Old implementations
+     don't provide this information.  In this case we assume that the
+     debug  library is compiled with the same values.  */
+  if (ps_pglobal_lookup (ps, "libpthread.so.0",
+			 "__linuxthreads_pthread_threads_max", &addr) != PS_OK)
+    (*ta)->pthread_threads_max = PTHREAD_THREADS_MAX;
+  else
+    {
+      if (ps_pdread (ps, addr, &(*ta)->pthread_threads_max, sizeof (int))
+	  != PS_OK)
+	goto free_return;
+    }
+
+  /* Similar for the maximum number of thread local data keys.  */
+  if (ps_pglobal_lookup (ps, "libpthread.so.0",
+			 "__linuxthreads_pthread_keys_max", &addr) != PS_OK)
+    (*ta)->pthread_keys_max = PTHREAD_KEYS_MAX;
+  else
+    {
+      if (ps_pdread (ps, addr, &(*ta)->pthread_keys_max, sizeof (int))
+	  != PS_OK)
+	goto free_return;
+    }
+
+  /* And for the size of the second level arrays for the keys.  */
+  if (ps_pglobal_lookup (ps, "libpthread.so.0",
+			 "__linuxthreads_pthread_sizeof_descr", &addr)
+      != PS_OK)
+    (*ta)->sizeof_descr = offsetof (struct _pthread_descr_struct, p_startfct);
+  else
+    {
+      if (ps_pdread (ps, addr, &(*ta)->sizeof_descr, sizeof (int)) != PS_OK)
+	goto free_return;
+    }
+
+  /* Similar for the maximum number of thread local data keys.  */
+  if (ps_pglobal_lookup (ps, "libpthread.so.0",
+			 "__linuxthreads_pthread_keys_max", &addr) != PS_OK)
+    (*ta)->pthread_keys_max = PTHREAD_KEYS_MAX;
+  else
+    {
+      if (ps_pdread (ps, addr, &(*ta)->pthread_keys_max, sizeof (int))
+	  != PS_OK)
+	goto free_return;
+    }
+
+  return TD_OK;
+}