diff options
Diffstat (limited to 'linuxthreads/sysdeps/sh/tls.h')
| -rw-r--r-- | linuxthreads/sysdeps/sh/tls.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/linuxthreads/sysdeps/sh/tls.h b/linuxthreads/sysdeps/sh/tls.h deleted file mode 100644 index 17a247c6b6..0000000000 --- a/linuxthreads/sysdeps/sh/tls.h +++ /dev/null @@ -1,148 +0,0 @@ -/* Definition for thread-local data handling. linuxthreads/SH version. - Copyright (C) 2002, 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 - -# include <dl-sysdep.h> -# include <pt-machine.h> - -#ifndef __ASSEMBLER__ -# include <stddef.h> -# include <stdint.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - void *pointer; -} dtv_t; - -#else /* __ASSEMBLER__ */ -# include <tcb-offsets.h> -#endif /* __ASSEMBLER__ */ - - -/* We can support TLS only if the floating-stack support is available. */ -#if defined HAVE_TLS_SUPPORT \ - && (defined FLOATING_STACKS || !defined IS_IN_libpthread) - -/* Signal that TLS support is available. */ -# define USE_TLS 1 - -# ifndef __ASSEMBLER__ - -typedef struct -{ - dtv_t *dtv; - void *private; -} tcbhead_t; - -/* 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_descr_struct) - -/* Alignment requirements for the TCB. */ -# define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct) - -/* The TLS blocks start right after the TCB. */ -# define TLS_DTV_AT_TP 1 - -/* 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) \ - ({ tcbhead_t *__tcbp; \ - __asm __volatile ("stc gbr,%0" : "=r" (__tcbp)); \ - __tcbp->dtv = (dtv);}) - -/* Return dtv of given thread descriptor. */ -# define GET_DTV(tcbp) \ - (((tcbhead_t *) (tcbp))->dtv) - -/* Code to initially initialize the thread pointer. This might need - special attention since 'errno' is not yet available and if the - operation can cause a failure 'errno' must not be touched. */ -# define TLS_INIT_TP(tcbp, secondcall) \ - ({ __asm __volatile ("ldc %0,gbr" : : "r" (tcbp)); 0; }) - -/* Return the address of the dtv for the current thread. */ -# define THREAD_DTV() \ - ({ tcbhead_t *__tcbp; \ - __asm __volatile ("stc gbr,%0" : "=r" (__tcbp)); \ - __tcbp->dtv;}) - -/* Return the thread descriptor for the current thread. */ -# undef THREAD_SELF -# define THREAD_SELF \ - ({ struct _pthread_descr_struct *__self; \ - __asm ("stc gbr,%0" : "=r" (__self)); \ - __self - 1;}) - -# undef INIT_THREAD_SELF -# define INIT_THREAD_SELF(descr, nr) \ - ({ struct _pthread_descr_struct *__self = (void *) descr; \ - __asm __volatile ("ldc %0,gbr" : : "r" (__self + 1)); \ - 0; }) - -# define TLS_MULTIPLE_THREADS_IN_TCB 1 - -/* Get the thread descriptor definition. This must be after the - the definition of THREAD_SELF for TLS. */ -# include <linuxthreads/descr.h> - -# endif /* __ASSEMBLER__ */ - -#else - -# ifndef __ASSEMBLER__ - -typedef struct -{ - void *tcb; - dtv_t *dtv; - void *self; - int multiple_threads; -} tcbhead_t; - -/* Get the thread descriptor definition. */ -# include <linuxthreads/descr.h> - -# define NONTLS_INIT_TP \ - do { \ - static const tcbhead_t nontls_init_tp = { .multiple_threads = 0 }; \ - __asm __volatile ("ldc %0,gbr" : : "r" (&nontls_init_tp)); \ - } while (0) - -# endif /* __ASSEMBLER__ */ - -#endif /* HAVE_TLS_SUPPORT && (FLOATING_STACKS || !IS_IN_libpthread) */ - -#endif /* tls.h */ |