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author | Ulrich Drepper <drepper@redhat.com> | 2003-02-17 20:46:52 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2003-02-17 20:46:52 +0000 |
commit | b2740a3b0a55fa4eead5c952dabf435794d0dd7f (patch) | |
tree | 1db2f9b124652c3cf162f1a1d9c648ea224431f4 /linuxthreads/sysdeps/powerpc/tls.h | |
parent | 81b5057288217437017b42780d7814eb7b0744d5 (diff) | |
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Update.
2003-02-17 Kevin B. Hendricks <kevin.hendricks@sympatico.ca>
Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* sysdeps/powerpc/elf/libc-start.c: Handle NONTLS_INIT_TP.
* sysdeps/powerpc/powerpc32/__longjmp.S: Remove R2 handling.
* sysdeps/powerpc/powerpc32/setjmp.S: Likewise.
* sysdeps/powerpc/powerpc32/fpu/__longjmp.S: Likewise.
* sysdeps/powerpc/powerpc32/fpu/setjmp.S: Likewise.
Diffstat (limited to 'linuxthreads/sysdeps/powerpc/tls.h')
-rw-r--r-- | linuxthreads/sysdeps/powerpc/tls.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/powerpc/tls.h b/linuxthreads/sysdeps/powerpc/tls.h new file mode 100644 index 0000000000..5b234d9882 --- /dev/null +++ b/linuxthreads/sysdeps/powerpc/tls.h @@ -0,0 +1,63 @@ +/* Definitions for thread-local data handling. linuxthreads/PPC 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. */ + +#ifndef _TLS_H +#define _TLS_H + +#ifndef __ASSEMBLER__ + +# include <pt-machine.h> +# include <stddef.h> + +/* Type for the dtv. */ +typedef union dtv +{ + size_t counter; + void *pointer; +} dtv_t; + +typedef struct +{ + void *tcb; /* Pointer to the TCB. Not necessary the + thread descriptor used by libpthread. */ + dtv_t *dtv; + void *self; /* Pointer to the thread descriptor. */ + int multiple_threads; +} tcbhead_t; + +#else /* __ASSEMBLER__ */ +# include <tcb-offsets.h> +#endif /* __ASSEMBLER__ */ + +#undef USE_TLS + +#if USE_TLS + +#else + +#define NONTLS_INIT_TP \ + do { \ + static const tcbhead_t nontls_init_tp \ + = { .multiple_threads = 0 }; \ + __thread_self = (__typeof (__thread_self)) &nontls_init_tp; \ + } while (0) + +#endif /* USE_TLS */ + +#endif /* tls.h */ |