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Diffstat (limited to 'nptl/sysdeps/sparc/td_ta_map_lwp2thr.c')
-rw-r--r--nptl/sysdeps/sparc/td_ta_map_lwp2thr.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/nptl/sysdeps/sparc/td_ta_map_lwp2thr.c b/nptl/sysdeps/sparc/td_ta_map_lwp2thr.c
new file mode 100644
index 0000000000..f120b96e73
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+++ b/nptl/sysdeps/sparc/td_ta_map_lwp2thr.c
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+/* Which thread is running on an LWP? SPARC version.
+ 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>
+
+
+td_err_e
+td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
+{
+ LOG ("td_ta_map_lwp2thr");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ prgregset_t regs;
+ if (ps_lgetregs (ta->ph, lwpid, regs) != PS_OK)
+ return TD_ERR;
+
+ /* SPARC thread register is %g7. */
+ th->th_unique = (void *) regs[7];
+
+ /* Found it. Now complete the `td_thrhandle_t' object. */
+ th->th_ta_p = (td_thragent_t *) ta;
+
+ return TD_OK;
+}