diff options
Diffstat (limited to 'libpthread/linuxthreads.old/sysdeps/ia64')
| -rw-r--r-- | libpthread/linuxthreads.old/sysdeps/ia64/pt-machine.h | 134 | ||||
| -rw-r--r-- | libpthread/linuxthreads.old/sysdeps/ia64/tls.h | 138 |
2 files changed, 0 insertions, 272 deletions
diff --git a/libpthread/linuxthreads.old/sysdeps/ia64/pt-machine.h b/libpthread/linuxthreads.old/sysdeps/ia64/pt-machine.h deleted file mode 100644 index f4c6be989..000000000 --- a/libpthread/linuxthreads.old/sysdeps/ia64/pt-machine.h +++ /dev/null @@ -1,134 +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, see <http://www.gnu.org/licenses/>. */ - -#ifndef _PT_MACHINE_H -#define _PT_MACHINE_H 1 - -#include <features.h> -#include <ia64intrin.h> - -#include <sys/types.h> -extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base, - size_t __child_stack_size, int __flags, void *__arg, ...); - -#ifndef PT_EI -# define PT_EI __extern_always_inline -#endif - -/* 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/libpthread/linuxthreads.old/sysdeps/ia64/tls.h b/libpthread/linuxthreads.old/sysdeps/ia64/tls.h deleted file mode 100644 index a78f0ec7a..000000000 --- a/libpthread/linuxthreads.old/sysdeps/ia64/tls.h +++ /dev/null @@ -1,138 +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, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _TLS_H -#define _TLS_H - -#ifndef __ASSEMBLER__ - -# 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. */ -# 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 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 - -# endif - -#else - -# ifndef __ASSEMBLER__ - -typedef struct -{ - void *tcb; - dtv_t *dtv; - void *self; - int multiple_threads; -} tcbhead_t; - -# 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 */ |