diff options
Diffstat (limited to 'ports/sysdeps/microblaze/nptl/tls.h')
| -rw-r--r-- | ports/sysdeps/microblaze/nptl/tls.h | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/ports/sysdeps/microblaze/nptl/tls.h b/ports/sysdeps/microblaze/nptl/tls.h deleted file mode 100644 index 4cfbdd3663..0000000000 --- a/ports/sysdeps/microblaze/nptl/tls.h +++ /dev/null @@ -1,155 +0,0 @@ -/* Copyright (C) 2005-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _TLS_H -# define _TLS_H 1 - -# include <dl-sysdep.h> - -#ifndef __ASSEMBLER__ -# include <stdbool.h> -# include <stddef.h> -# include <stdint.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; - -#else /* __ASSEMBLER__ */ -# include <tcb-offsets.h> -#endif /* __ASSEMBLER__ */ - -#ifndef __ASSEMBLER__ - -/* Get system call information. */ -# include <sysdep.h> - -/* The TP points to the start of the thread blocks. */ -# define TLS_DTV_AT_TP 1 - -/* Get the thread descriptor definition. */ -# include <nptl/descr.h> - -typedef struct -{ - dtv_t *dtv; - void *private; -} tcbhead_t; - -static inline void *__microblaze_get_thread_area (void) -{ - register void * volatile __microblaze_thread_area asm ("r21"); - return (void *) __microblaze_thread_area; -} - -# define READ_THREAD_POINTER() \ - ({ __microblaze_get_thread_area(); }) - -/* This is the size of the initial TCB. */ -# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t) - -/* Alignment requirements for the initial TCB. */ -# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t) - -/* This is the size of the TCB. */ -# define TLS_TCB_SIZE sizeof (tcbhead_t) - -/* This is the size we need before TCB. */ -# define TLS_PRE_TCB_SIZE sizeof (struct pthread) - -/* Alignment requirements for the TCB. */ -# define TLS_TCB_ALIGN __alignof__ (struct pthread) - -/* Install the dtv pointer. The pointer passed is to the element with - index -1 which contain the length. */ -# define INSTALL_DTV(tcbp, dtvp) \ - (((tcbhead_t *) (tcbp))->dtv = (dtvp) + 1) - -/* Install new dtv for current thread. */ -# define INSTALL_NEW_DTV(dtv) \ - (THREAD_DTV() = (dtv)) - -/* Return dtv of given thread descriptor. */ -# define GET_DTV(tcbp) \ - (((tcbhead_t *) (tcbp))->dtv) - -/* Code to initially initialize the thread pointer. - r21 is reserved for thread pointer. */ -# define TLS_INIT_TP(tcbp, secondcall) \ - ({ __asm __volatile ("or r21,r0,%0" : : "r" ((void *)tcbp)); 0; }) - -/* Return the address of the dtv for the current thread. */ -# define THREAD_DTV() \ - (((tcbhead_t *) READ_THREAD_POINTER())->dtv) - -/* Return the thread descriptor for the current thread. */ -# define THREAD_SELF \ - (((struct pthread *) READ_THREAD_POINTER()) - 1) - -/* Magic for libthread_db to know how to do THREAD_SELF. */ -# define DB_THREAD_SELF \ - CONST_THREAD_AREA (32, sizeof (struct pthread)) - -/* Read member of the thread descriptor directly. */ -# define THREAD_GETMEM(descr, member) (descr->member) - -/* Same as THREAD_GETMEM, but the member offset can be non-constant. */ -# define THREAD_GETMEM_NC(descr, member, idx) \ - (descr->member[idx]) - -/* Set member of the thread descriptor directly. */ -# define THREAD_SETMEM(descr, member, value) \ - (descr->member = (value)) - -/* Same as THREAD_SETMEM, but the member offset can be non-constant. */ -# define THREAD_SETMEM_NC(descr, member, idx, value) \ - (descr->member[idx] = (value)) - -/* Get and set the global scope generation counter in struct pthread. */ -# define THREAD_GSCOPE_FLAG_UNUSED 0 -# define THREAD_GSCOPE_FLAG_USED 1 -# define THREAD_GSCOPE_FLAG_WAIT 2 -# define THREAD_GSCOPE_RESET_FLAG() \ - do \ - { int __res \ - = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \ - THREAD_GSCOPE_FLAG_UNUSED); \ - if (__res == THREAD_GSCOPE_FLAG_WAIT) \ - lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1, LLL_PRIVATE); \ - } \ - while (0) -# define THREAD_GSCOPE_SET_FLAG() \ - do \ - { \ - THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \ - atomic_write_barrier (); \ - } \ - while (0) -# define THREAD_GSCOPE_WAIT() \ - GL (dl_wait_lookup_done) () - -#endif /* __ASSEMBLER__ */ - -#endif /* tls.h. */ |