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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/td_ta_new.c
parent2274f6b2ddc7d7ea919a8fa1f9c54ef1920cb180 (diff)
Import in NPTL code from glibc. For further information please
consult the 'README.NPTL' file.
Diffstat (limited to 'libpthread/nptl_db/td_ta_new.c')
-rw-r--r--libpthread/nptl_db/td_ta_new.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/libpthread/nptl_db/td_ta_new.c b/libpthread/nptl_db/td_ta_new.c
new file mode 100644
index 000000000..f84049af3
--- /dev/null
+++ b/libpthread/nptl_db/td_ta_new.c
@@ -0,0 +1,65 @@
+/* Attach to target process.
+ Copyright (C) 1999,2001,2002,2003 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 versaddr;
+ char versbuf[sizeof (VERSION)];
+
+ LOG ("td_ta_new");
+
+ /* Check whether the versions match. */
+ if (td_lookup (ps, SYM_nptl_version, &versaddr) != PS_OK)
+ return TD_NOLIBTHREAD;
+ if (ps_pdread (ps, versaddr, versbuf, sizeof (versbuf)) != PS_OK)
+ return TD_ERR;
+
+ if (memcmp (versbuf, VERSION, sizeof VERSION) != 0)
+ /* Not the right version. */
+ return TD_VERSION;
+
+ /* Fill in the appropriate information. */
+ *ta = (td_thragent_t *) calloc (1, 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;
+
+ /* Now add the new agent descriptor to the list. */
+ list_add (&(*ta)->list, &__td_agent_list);
+
+ return TD_OK;
+}