diff options
| -rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/x86_64/vfork.S | 2 | ||||
| -rw-r--r-- | nptl/ChangeLog | 4 | ||||
| -rw-r--r-- | nptl/sysdeps/x86_64/td_ta_map_lwp2thr.c | 48 |
3 files changed, 53 insertions, 1 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/x86_64/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/x86_64/vfork.S index 28989eaa14..22e2d86d97 100644 --- a/linuxthreads/sysdeps/unix/sysv/linux/x86_64/vfork.S +++ b/linuxthreads/sysdeps/unix/sysv/linux/x86_64/vfork.S @@ -31,7 +31,7 @@ ENTRY (__vfork) cmpq $0, __libc_pthread_functions(%rip) #else .weak __pthread_fork - movq $__pthread_fork, %eax + movq $__pthread_fork, %rax testq %rax, %rax #endif jne HIDDEN_JUMPTARGET (__fork) diff --git a/nptl/ChangeLog b/nptl/ChangeLog index faf0720c42..fea1c75d08 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 0000000000..1b405549af --- /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; +} |