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author | Ulrich Drepper <drepper@redhat.com> | 2003-02-07 09:11:24 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2003-02-07 09:11:24 +0000 |
commit | fef710d61dac98eea1ea93ce39e9b51a96979612 (patch) | |
tree | a781da8516c31045eaa96246b23c3724fe4b1213 /nptl | |
parent | 65c689907900378bc3daf394a40b6a046595caab (diff) | |
download | glibc-fef710d61dac98eea1ea93ce39e9b51a96979612.zip glibc-fef710d61dac98eea1ea93ce39e9b51a96979612.tar.gz glibc-fef710d61dac98eea1ea93ce39e9b51a96979612.tar.bz2 |
Update.
2003-02-07 Ulrich Drepper <drepper@redhat.com>
* sysdeps/x86_64/td_ta_map_lwp2thr.c: New file.
Diffstat (limited to 'nptl')
-rw-r--r-- | nptl/ChangeLog | 4 | ||||
-rw-r--r-- | nptl/sysdeps/x86_64/td_ta_map_lwp2thr.c | 48 |
2 files changed, 52 insertions, 0 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index faf0720..fea1c75 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,7 @@ +2003-02-07 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/x86_64/td_ta_map_lwp2thr.c: New file. + 2003-02-06 Ulrich Drepper <drepper@redhat.com> * Makefile (tests): Add tst-popen1. diff --git a/nptl/sysdeps/x86_64/td_ta_map_lwp2thr.c b/nptl/sysdeps/x86_64/td_ta_map_lwp2thr.c new file mode 100644 index 0000000..1b40554 --- /dev/null +++ b/nptl/sysdeps/x86_64/td_ta_map_lwp2thr.c @@ -0,0 +1,48 @@ +/* Which thread is running on an LWP? x86-64 version. + 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 "thread_dbP.h" +#include <tls.h> +#include <sys/reg.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; + + /* Get the thread area for the addressed thread. */ + if (ps_get_thread_area (ta->ph, lwpid, regs[FS] >> 3, &th->th_unique) + != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Found it. Now complete the `td_thrhandle_t' object. */ + th->th_ta_p = (td_thragent_t *) ta; + + return TD_OK; +} |