diff options
Diffstat (limited to 'libc/sysdeps/linux/sparc/bits')
| -rw-r--r-- | libc/sysdeps/linux/sparc/bits/atomicity.h | 98 | ||||
| -rw-r--r-- | libc/sysdeps/linux/sparc/bits/profil-counter.h | 26 |
2 files changed, 0 insertions, 124 deletions
diff --git a/libc/sysdeps/linux/sparc/bits/atomicity.h b/libc/sysdeps/linux/sparc/bits/atomicity.h deleted file mode 100644 index 22f5b3f50..000000000 --- a/libc/sysdeps/linux/sparc/bits/atomicity.h +++ /dev/null @@ -1,98 +0,0 @@ -/* Low-level functions for atomic operations. Sparc32 version. - Copyright (C) 1999 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 _ATOMICITY_H -#define _ATOMICITY_H 1 - -#include <inttypes.h> - -static int -__attribute_used__ -exchange_and_add (volatile uint32_t *mem, int val) -{ - static unsigned char lock; - int result, tmp; - - __asm__ __volatile__("1: ldstub [%1], %0\n\t" - " cmp %0, 0\n\t" - " bne 1b\n\t" - " nop" - : "=&r" (tmp) - : "r" (&lock) - : "memory"); - result = *mem; - *mem += val; - __asm__ __volatile__("stb %%g0, [%0]" - : /* no outputs */ - : "r" (&lock) - : "memory"); - return result; -} - -static void -__attribute_used__ -atomic_add (volatile uint32_t *mem, int val) -{ - static unsigned char lock; - int tmp; - - __asm__ __volatile__("1: ldstub [%1], %0\n\t" - " cmp %0, 0\n\t" - " bne 1b\n\t" - " nop" - : "=&r" (tmp) - : "r" (&lock) - : "memory"); - *mem += val; - __asm__ __volatile__("stb %%g0, [%0]" - : /* no outputs */ - : "r" (&lock) - : "memory"); -} - -static int -__attribute_used__ -compare_and_swap (volatile long int *p, long int oldval, long int newval) -{ - static unsigned char lock; - int ret, tmp; - - __asm__ __volatile__("1: ldstub [%1], %0\n\t" - " cmp %0, 0\n\t" - " bne 1b\n\t" - " nop" - : "=&r" (tmp) - : "r" (&lock) - : "memory"); - if (*p != oldval) - ret = 0; - else - { - *p = newval; - ret = 1; - } - __asm__ __volatile__("stb %%g0, [%0]" - : /* no outputs */ - : "r" (&lock) - : "memory"); - - return ret; -} - -#endif /* atomicity.h */ diff --git a/libc/sysdeps/linux/sparc/bits/profil-counter.h b/libc/sysdeps/linux/sparc/bits/profil-counter.h deleted file mode 100644 index 1e22e8cce..000000000 --- a/libc/sysdeps/linux/sparc/bits/profil-counter.h +++ /dev/null @@ -1,26 +0,0 @@ -/* Low-level statistical profiling support function. Linux/SPARC version. - Copyright (C) 1997, 1999 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. */ - -#include <signal.h> - -void -profil_counter (int signo, struct sigcontext *si) -{ - profil_count ((void *) si->si_regs.pc); -} |