diff options
Diffstat (limited to 'linuxthreads/sysdeps/ia64')
| -rw-r--r-- | linuxthreads/sysdeps/ia64/Makefile | 3 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/ia64/Versions | 5 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/ia64/pspinlock.c | 79 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/ia64/pt-machine.h | 133 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/ia64/tcb-offsets.sym | 9 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/ia64/tls.h | 153 |
6 files changed, 0 insertions, 382 deletions
diff --git a/linuxthreads/sysdeps/ia64/Makefile b/linuxthreads/sysdeps/ia64/Makefile deleted file mode 100644 index 81bddf688c..0000000000 --- a/linuxthreads/sysdeps/ia64/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -ifeq ($(subdir),csu) -gen-as-const-headers += tcb-offsets.sym -endif diff --git a/linuxthreads/sysdeps/ia64/Versions b/linuxthreads/sysdeps/ia64/Versions deleted file mode 100644 index 32da57080d..0000000000 --- a/linuxthreads/sysdeps/ia64/Versions +++ /dev/null @@ -1,5 +0,0 @@ -libpthread { - GLIBC_PRIVATE { - __pthread_clock_gettime; __pthread_clock_settime; - } -} diff --git a/linuxthreads/sysdeps/ia64/pspinlock.c b/linuxthreads/sysdeps/ia64/pspinlock.c deleted file mode 100644 index d61aa3f434..0000000000 --- a/linuxthreads/sysdeps/ia64/pspinlock.c +++ /dev/null @@ -1,79 +0,0 @@ -/* POSIX spinlock implementation. ia64 version. - Copyright (C) 2000, 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jes Sorensen <jes@linuxcare.com> - - 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; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include <errno.h> -#include <pthread.h> -#include "internals.h" -#include <ia64intrin.h> - -/* This implementation is inspired by the implementation used in the - Linux kernel. */ - -int -__pthread_spin_lock (pthread_spinlock_t *lock) -{ - int *p = (int *) lock; - - while (__builtin_expect (__sync_val_compare_and_swap (p, 0, 1), 0)) - { - /* Spin without using the atomic instruction. */ - do - __asm __volatile ("" : : : "memory"); - while (*p); - } - return 0; -} -weak_alias (__pthread_spin_lock, pthread_spin_lock) - - -int -__pthread_spin_trylock (pthread_spinlock_t *lock) -{ - return __sync_val_compare_and_swap ((int *) lock, 0, 1) == 0 ? 0 : EBUSY; -} -weak_alias (__pthread_spin_trylock, pthread_spin_trylock) - - -int -__pthread_spin_unlock (pthread_spinlock_t *lock) -{ - return *lock = 0; -} -weak_alias (__pthread_spin_unlock, pthread_spin_unlock) - - -int -__pthread_spin_init (pthread_spinlock_t *lock, int pshared) -{ - /* We can ignore the `pshared' parameter. Since we are busy-waiting - all processes which can access the memory location `lock' points - to can use the spinlock. */ - return *lock = 0; -} -weak_alias (__pthread_spin_init, pthread_spin_init) - - -int -__pthread_spin_destroy (pthread_spinlock_t *lock) -{ - /* Nothing to do. */ - return 0; -} -weak_alias (__pthread_spin_destroy, pthread_spin_destroy) diff --git a/linuxthreads/sysdeps/ia64/pt-machine.h b/linuxthreads/sysdeps/ia64/pt-machine.h deleted file mode 100644 index 6c5dfe93bb..0000000000 --- a/linuxthreads/sysdeps/ia64/pt-machine.h +++ /dev/null @@ -1,133 +0,0 @@ -/* Machine-dependent pthreads configuration and inline functions. - IA-64 version. - Copyright (C) 1999, 2000, 2002, 2003, 2004 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; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#ifndef _PT_MACHINE_H -#define _PT_MACHINE_H 1 - -#include <ia64intrin.h> - -#ifndef PT_EI -# define PT_EI extern inline __attribute__ ((always_inline)) -#endif - -extern long int testandset (int *spinlock); -extern int __compare_and_swap (long int *p, long int oldval, long int newval); - -/* Make sure gcc doesn't try to be clever and move things around on - us. We need to use _exactly_ the address the user gave us, not some - alias that contains the same information. */ -#define __atomic_fool_gcc(x) (*(volatile struct { int a[100]; } *)x) - -#ifndef ELF_MACHINE_NAME - -#define NEED_SEPARATE_REGISTER_STACK - -/* We want the OS to assign stack addresses. */ -#define FLOATING_STACKS 1 - -/* Maximum size of the stack if the rlimit is unlimited. */ -#define ARCH_STACK_MAX_SIZE 32*1024*1024 - -/* Get some notion of the current stack. Need not be exactly the top - of the stack, just something somewhere in the current frame. - r12 (sp) is the stack pointer. */ -#define CURRENT_STACK_FRAME stack_pointer -register char *stack_pointer __asm__ ("sp"); - - -/* Register r13 (tp) is reserved by the ABI as "thread pointer". */ -struct _pthread_descr_struct; -register struct _pthread_descr_struct *__thread_self __asm__("r13"); - -/* Return the thread descriptor for the current thread. */ -#define THREAD_SELF __thread_self - -/* Initialize the thread-unique value. */ -#define INIT_THREAD_SELF(descr, nr) (__thread_self = (descr)) - - -/* Access to data in the thread descriptor is easy. */ -#define THREAD_GETMEM(descr, member) \ - ((void) sizeof (descr), THREAD_SELF->member) -#define THREAD_GETMEM_NC(descr, member) \ - ((void) sizeof (descr), THREAD_SELF->member) -#define THREAD_SETMEM(descr, member, value) \ - ((void) sizeof (descr), THREAD_SELF->member = (value)) -#define THREAD_SETMEM_NC(descr, member, value) \ - ((void) sizeof (descr), THREAD_SELF->member = (value)) - - -/* Memory barrier */ -#define MEMORY_BARRIER() __sync_synchronize () - - -#define HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS - -PT_EI int -__compare_and_swap (long int *p, long int oldval, long int newval) -{ - long int readval; - - __asm__ __volatile__ - ("mov ar.ccv=%4;;\n\t" - "cmpxchg8.acq %0=%1,%2,ar.ccv" - : "=r" (readval), "=m" (__atomic_fool_gcc (p)) - : "r"(newval), "m" (__atomic_fool_gcc (p)), "r" (oldval) - : "memory"); - return readval == oldval; -} - -PT_EI int -__compare_and_swap_with_release_semantics (long int *p, - long int oldval, - long int newval) -{ - long int readval; - - __asm__ __volatile__ - ("mov ar.ccv=%4;;\n\t" - "cmpxchg8.rel %0=%1,%2,ar.ccv" - : "=r" (readval), "=m" (__atomic_fool_gcc (p)) - : "r"(newval), "m" (__atomic_fool_gcc (p)), "r" (oldval) - : "memory"); - return readval == oldval; -} - -#endif /* ELF_MACHINE_NAME */ - -/* Spinlock implementation; required. */ -PT_EI long int -testandset (int *spinlock) -{ - long int ret; - - __asm__ __volatile__( - "xchg4 %0=%1,%2" - : "=r"(ret), "=m"(__atomic_fool_gcc (spinlock)) - : "r"(1), "m"(__atomic_fool_gcc (spinlock)) - : "memory"); - - return ret; -} - -/* Indicate that we are looping. */ -#define BUSY_WAIT_NOP __asm__ ("hint @pause") - -#endif /* pt-machine.h */ diff --git a/linuxthreads/sysdeps/ia64/tcb-offsets.sym b/linuxthreads/sysdeps/ia64/tcb-offsets.sym deleted file mode 100644 index f7793f7665..0000000000 --- a/linuxthreads/sysdeps/ia64/tcb-offsets.sym +++ /dev/null @@ -1,9 +0,0 @@ -#include <sysdep.h> -#include <tls.h> - --- -#ifdef USE_TLS -MULTIPLE_THREADS_OFFSET offsetof (struct _pthread_descr_struct, p_multiple_threads) - sizeof (struct _pthread_descr_struct) -#else -MULTIPLE_THREADS_OFFSET offsetof (tcbhead_t, multiple_threads) -#endif diff --git a/linuxthreads/sysdeps/ia64/tls.h b/linuxthreads/sysdeps/ia64/tls.h deleted file mode 100644 index fe8fcd15f8..0000000000 --- a/linuxthreads/sysdeps/ia64/tls.h +++ /dev/null @@ -1,153 +0,0 @@ -/* Definitions for thread-local data handling. linuxthreads/IA-64 version. - Copyright (C) 2002, 2003, 2004, 2005 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 <dl-sysdep.h> -# include <pt-machine.h> -# include <stdbool.h> -# include <stddef.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__ */ - -#ifdef HAVE_TLS_SUPPORT - -/* 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. */ -# ifndef IS_IN_rtld -# define TLS_PRE_TCB_SIZE sizeof (struct _pthread_descr_struct) -# else -# include <nptl-struct-pthread.h> -# define TLS_PRE_TCB_SIZE \ - (sizeof (struct _pthread_descr_struct) > NPTL_STRUCT_PTHREAD_SIZE \ - ? sizeof (struct _pthread_descr_struct) : NPTL_STRUCT_PTHREAD_SIZE) -# endif - -/* Alignment requirements for the TCB. */ -# define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct) - -/* The DTV is allocated at the TP; the TCB is placed elsewhere. */ -# 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 *)__thread_self)->dtv = (DTV)) - -/* Return dtv of given thread descriptor. */ -# define GET_DTV(tcbp) \ - (((tcbhead_t *) (tcbp))->dtv) - -#if defined NEED_DL_SYSINFO -# define INIT_SYSINFO \ - (((tcbhead_t *) __thread_self)->private = (void *) GLRO(dl_sysinfo)) -#else -# define INIT_SYSINFO 0 -#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(tcbp, secondcall) \ - (__thread_self = (__typeof (__thread_self)) (tcbp), 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. */ -# undef THREAD_SELF -# define THREAD_SELF (__thread_self - 1) - -# undef INIT_THREAD_SELF -# define INIT_THREAD_SELF(descr, nr) \ - (__thread_self = (struct _pthread_descr_struct *)(descr) + 1) - -# define TLS_MULTIPLE_THREADS_IN_TCB 1 - -/* Get the thread descriptor definition. */ -# include <linuxthreads/descr.h> - -# endif - -#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 }; \ - __thread_self = (__typeof (__thread_self)) &nontls_init_tp; \ - } while (0) - -#endif - -#endif /* USE_TLS */ - -#endif /* tls.h */ |