From 88e3fbcb5d6829f8980d6bb356b1c0cd7a38187b Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sun, 3 Jul 2005 04:40:34 +0000 Subject: linuxthreads, linuxthreads_db: Directories removed (preserved in ports repository). --- linuxthreads/sysdeps/sparc/sparc32/pspinlock.c | 88 -------------------- linuxthreads/sysdeps/sparc/sparc32/pt-machine.h | 83 ------------------- .../sysdeps/sparc/sparc32/sparcv9/Versions | 5 -- .../sysdeps/sparc/sparc32/sparcv9/pspinlock.c | 94 ---------------------- 4 files changed, 270 deletions(-) delete mode 100644 linuxthreads/sysdeps/sparc/sparc32/pspinlock.c delete mode 100644 linuxthreads/sysdeps/sparc/sparc32/pt-machine.h delete mode 100644 linuxthreads/sysdeps/sparc/sparc32/sparcv9/Versions delete mode 100644 linuxthreads/sysdeps/sparc/sparc32/sparcv9/pspinlock.c (limited to 'linuxthreads/sysdeps/sparc/sparc32') diff --git a/linuxthreads/sysdeps/sparc/sparc32/pspinlock.c b/linuxthreads/sysdeps/sparc/sparc32/pspinlock.c deleted file mode 100644 index a67dbf901e..0000000000 --- a/linuxthreads/sysdeps/sparc/sparc32/pspinlock.c +++ /dev/null @@ -1,88 +0,0 @@ -/* POSIX spinlock implementation. SPARC32 version. - Copyright (C) 2000 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. */ - -#include -#include -#include "internals.h" - -/* This implementation is similar to the one used in the Linux kernel. */ -int -__pthread_spin_lock (pthread_spinlock_t *lock) -{ - asm volatile - ("1: ldstub [%0], %%g2\n" - " orcc %%g2, 0x0, %%g0\n" - " bne,a 2f\n" - " ldub [%0], %%g2\n" - ".subsection 2\n" - "2: orcc %%g2, 0x0, %%g0\n" - " bne,a 2b\n" - " ldub [%0], %%g2\n" - " b,a 1b\n" - ".previous" - : /* no outputs */ - : "r" (lock) - : "g2", "memory", "cc"); - return 0; -} -weak_alias (__pthread_spin_lock, pthread_spin_lock) - - -int -__pthread_spin_trylock (pthread_spinlock_t *lock) -{ - int result; - asm volatile - ("ldstub [%1], %0" - : "=r" (result) - : "r" (lock) - : "memory"); - return result == 0 ? 0 : EBUSY; -} -weak_alias (__pthread_spin_trylock, pthread_spin_trylock) - - -int -__pthread_spin_unlock (pthread_spinlock_t *lock) -{ - *lock = 0; - return 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. */ - *lock = 0; - return 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/sparc/sparc32/pt-machine.h b/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h deleted file mode 100644 index 322a52051f..0000000000 --- a/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h +++ /dev/null @@ -1,83 +0,0 @@ -/* Machine-dependent pthreads configuration and inline functions. - sparc version. - Copyright (C) 1996-1998, 2000-2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson . - - 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 - -#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); - -/* Spinlock implementation; required. */ -PT_EI long int -testandset (int *spinlock) -{ - int ret; - - __asm__ __volatile__("ldstub %1,%0" - : "=r"(ret), "=m"(*spinlock) - : "m"(*spinlock)); - - return ret; -} - - -/* Memory barrier; default is to do nothing */ -#define MEMORY_BARRIER() __asm__ __volatile__("stbar" : : : "memory") - - -/* Get some notion of the current stack. Need not be exactly the top - of the stack, just something somewhere in the current frame. */ -#define CURRENT_STACK_FRAME (stack_pointer + (2 * 64)) -register char *stack_pointer __asm__("%sp"); - - -/* Registers %g6 and %g7 are reserved by the ABI for "system use". - %g7 is specified in the TLS ABI as thread pointer -- we do the same. */ -struct _pthread_descr_struct; -register struct _pthread_descr_struct *__thread_self __asm__("%g7"); - -/* 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)) - -/* 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 8*1024*1024 - -#endif /* pt-machine.h */ diff --git a/linuxthreads/sysdeps/sparc/sparc32/sparcv9/Versions b/linuxthreads/sysdeps/sparc/sparc32/sparcv9/Versions deleted file mode 100644 index 32da57080d..0000000000 --- a/linuxthreads/sysdeps/sparc/sparc32/sparcv9/Versions +++ /dev/null @@ -1,5 +0,0 @@ -libpthread { - GLIBC_PRIVATE { - __pthread_clock_gettime; __pthread_clock_settime; - } -} diff --git a/linuxthreads/sysdeps/sparc/sparc32/sparcv9/pspinlock.c b/linuxthreads/sysdeps/sparc/sparc32/sparcv9/pspinlock.c deleted file mode 100644 index 04f588bed5..0000000000 --- a/linuxthreads/sysdeps/sparc/sparc32/sparcv9/pspinlock.c +++ /dev/null @@ -1,94 +0,0 @@ -/* POSIX spinlock implementation. SPARC v9 version. - Copyright (C) 2000 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. */ - -#include -#include -#include "internals.h" - - -/* This implementation is similar to the one used in the Linux kernel. */ -int -__pthread_spin_lock (pthread_spinlock_t *lock) -{ - asm volatile - ("1: ldstub [%0], %%g2\n" - " brnz,pn %%g2, 2f\n" - " membar #StoreLoad | #StoreStore\n" - ".subsection 2\n" - "2: ldub [%0], %%g2\n" - " brnz,pt %%g2, 2b\n" - " membar #LoadLoad\n" - " b,a,pt %%xcc, 1b\n" - ".previous" - : /* no outputs */ - : "r" (lock) - : "g2", "memory"); - return 0; -} -weak_alias (__pthread_spin_lock, pthread_spin_lock) - - -int -__pthread_spin_trylock (pthread_spinlock_t *lock) -{ - int result; - asm volatile - ("ldstub [%1], %0\n" - "membar #StoreLoad | #StoreStore" - : "=r" (result) - : "r" (lock) - : "memory"); - return result == 0 ? 0 : EBUSY; -} -weak_alias (__pthread_spin_trylock, pthread_spin_trylock) - - -int -__pthread_spin_unlock (pthread_spinlock_t *lock) -{ - asm volatile - ("membar #StoreStore | #LoadStore\n" - "stb %%g0, [%0]" - : - : "r" (lock) - : "memory"); - return 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. */ - *lock = 0; - return 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) -- cgit 1.4.1