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authorUlrich Drepper <drepper@gmail.com>2012-01-07 12:16:05 -0500
committerUlrich Drepper <drepper@gmail.com>2012-01-07 12:16:05 -0500
commit120ced3f5d1f927e6664fa0e3e9a391023a09d36 (patch)
treec8656d8ed64dd67db2b042d131bec39b53590faf /nptl/sysdeps/ia64/tls.h
parent305502f69d417f7599ea18cceca280ee87627696 (diff)
Remove IA-64 support from NPTL
Diffstat (limited to 'nptl/sysdeps/ia64/tls.h')
-rw-r--r--nptl/sysdeps/ia64/tls.h186
1 files changed, 0 insertions, 186 deletions
diff --git a/nptl/sysdeps/ia64/tls.h b/nptl/sysdeps/ia64/tls.h
deleted file mode 100644
index c2a092663b..0000000000
--- a/nptl/sysdeps/ia64/tls.h
+++ /dev/null
@@ -1,186 +0,0 @@
-/* Definition for thread-local data handling. nptl/IA-64 version.
- Copyright (C) 2003-2007, 2011 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 1
-
-#include <dl-sysdep.h>
-#ifndef __ASSEMBLER__
-# include <stdbool.h>
-# include <stddef.h>
-# include <stdint.h>
-# include <stdlib.h>
-# include <list.h>
-
-
-/* Type for the dtv. */
-typedef union dtv
-{
- size_t counter;
- struct
- {
- void *val;
- bool is_static;
- } pointer;
-} dtv_t;
-
-
-typedef struct
-{
- dtv_t *dtv;
- void *__private;
-} tcbhead_t;
-
-register struct pthread *__thread_self __asm__("r13");
-
-# define TLS_MULTIPLE_THREADS_IN_TCB 1
-
-#else /* __ASSEMBLER__ */
-# include <tcb-offsets.h>
-#endif
-
-
-/* Alignment requirement for the stack. */
-#define STACK_ALIGN 16
-
-#ifndef __ASSEMBLER__
-/* Get system call information. */
-# include <sysdep.h>
-
-/* 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.
- If there is not any room for uintptr_t stack_guard and
- uintptr_t pointer_guard in struct pthread's final padding,
- we need to put struct pthread 16 byte slower. */
-# define TLS_PRE_TCB_SIZE \
- (sizeof (struct pthread) \
- + (PTHREAD_STRUCT_END_PADDING < 2 * sizeof (uintptr_t) \
- ? ((2 * sizeof (uintptr_t) + __alignof__ (struct pthread) - 1) \
- & ~(__alignof__ (struct pthread) - 1)) \
- : 0))
-
-/* Alignment requirements for the TCB. */
-# define TLS_TCB_ALIGN __alignof__ (struct pthread)
-
-/* The DTV is allocated at the TP; the TCB is placed elsewhere. */
-# define TLS_DTV_AT_TP 1
-
-/* Get the thread descriptor definition. */
-# include <nptl/descr.h>
-
-/* Install the dtv pointer. The pointer passed is to the element with
- index -1 which contain the length. */
-# define INSTALL_DTV(descr, dtvp) \
- ((tcbhead_t *) (descr))->dtv = (dtvp) + 1
-
-/* Install new dtv for current thread. */
-# define INSTALL_NEW_DTV(DTV) \
- (((tcbhead_t *)__thread_self)->dtv = (DTV))
-
-/* Return dtv of given thread descriptor. */
-# define GET_DTV(descr) \
- (((tcbhead_t *) (descr))->dtv)
-
-#define THREAD_SELF_SYSINFO (((tcbhead_t *) __thread_self)->__private)
-#define THREAD_SYSINFO(pd) \
- (((tcbhead_t *) ((char *) (pd) + TLS_PRE_TCB_SIZE))->__private)
-
-#if defined NEED_DL_SYSINFO
-# define INIT_SYSINFO THREAD_SELF_SYSINFO = (void *) GLRO(dl_sysinfo)
-#else
-# define INIT_SYSINFO NULL
-#endif
-
-/* 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(thrdescr, secondcall) \
- (__thread_self = (thrdescr), INIT_SYSINFO, NULL)
-
-/* Return the address of the dtv for the current thread. */
-# define THREAD_DTV() \
- (((tcbhead_t *)__thread_self)->dtv)
-
-/* Return the thread descriptor for the current thread. */
-# define THREAD_SELF \
- ((struct pthread *) ((char *) __thread_self - TLS_PRE_TCB_SIZE))
-
-/* Magic for libthread_db to know how to do THREAD_SELF. */
-# define DB_THREAD_SELF REGISTER (64, 64, 13 * 8, -TLS_PRE_TCB_SIZE)
-
-/* Access to data in the thread descriptor is easy. */
-#define THREAD_GETMEM(descr, member) \
- descr->member
-#define THREAD_GETMEM_NC(descr, member, idx) \
- descr->member[idx]
-#define THREAD_SETMEM(descr, member, value) \
- descr->member = (value)
-#define THREAD_SETMEM_NC(descr, member, idx, value) \
- descr->member[idx] = (value)
-
-/* Set the stack guard field in TCB head. */
-#define THREAD_SET_STACK_GUARD(value) \
- (((uintptr_t *) __thread_self)[-1] = (value))
-#define THREAD_COPY_STACK_GUARD(descr) \
- (((uintptr_t *) ((char *) (descr) + TLS_PRE_TCB_SIZE))[-1] \
- = ((uintptr_t *) __thread_self)[-1])
-
-/* Set the pointer guard field in TCB head. */
-#define THREAD_GET_POINTER_GUARD() \
- (((uintptr_t *) __thread_self)[-2])
-#define THREAD_SET_POINTER_GUARD(value) \
- (((uintptr_t *) __thread_self)[-2] = (value))
-#define THREAD_COPY_POINTER_GUARD(descr) \
- (((uintptr_t *) ((char *) (descr) + TLS_PRE_TCB_SIZE))[-2] \
- = THREAD_GET_POINTER_GUARD ())
-
-/* 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 */