diff options
Diffstat (limited to 'libc/sysdeps/linux/i386')
-rw-r--r-- | libc/sysdeps/linux/i386/bits/atomicity.h | 57 | ||||
-rw-r--r-- | libc/sysdeps/linux/i386/bits/profil-counter.h | 32 |
2 files changed, 0 insertions, 89 deletions
diff --git a/libc/sysdeps/linux/i386/bits/atomicity.h b/libc/sysdeps/linux/i386/bits/atomicity.h deleted file mode 100644 index d83ae791e..000000000 --- a/libc/sysdeps/linux/i386/bits/atomicity.h +++ /dev/null @@ -1,57 +0,0 @@ -/* Low-level functions for atomic operations. ix86 version, x >= 4. - Copyright (C) 1997, 2000, 2001 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 inline uint32_t -__attribute_used__ -exchange_and_add (volatile uint32_t *mem, uint32_t val) -{ - register uint32_t result; - __asm__ __volatile__ ("lock; xaddl %0,%1" - : "=r" (result), "=m" (*mem) : "0" (val), "1" (*mem)); - return result; -} - -static inline void -__attribute_used__ -atomic_add (volatile uint32_t *mem, int val) -{ - __asm__ __volatile__ ("lock; addl %1,%0" - : "=m" (*mem) : "ir" (val), "0" (*mem)); -} - -static inline char -__attribute_used__ -compare_and_swap (volatile long int *p, long int oldval, long int newval) -{ - char ret; - long int readval; - - __asm__ __volatile__ ("lock; cmpxchgl %3, %1; sete %0" - : "=q" (ret), "=m" (*p), "=a" (readval) - : "r" (newval), "1" (*p), "a" (oldval)); - return ret; -} - -#endif /* atomicity.h */ diff --git a/libc/sysdeps/linux/i386/bits/profil-counter.h b/libc/sysdeps/linux/i386/bits/profil-counter.h deleted file mode 100644 index 69045b55b..000000000 --- a/libc/sysdeps/linux/i386/bits/profil-counter.h +++ /dev/null @@ -1,32 +0,0 @@ -/* Low-level statistical profiling support function. Linux/i386 version. - Copyright (C) 1996, 1997, 1998, 2002 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> -#include <bits/sigcontextinfo.h> - -static void -profil_counter (int signo, const SIGCONTEXT scp) -{ - profil_count ((void *) GET_PC (scp)); - - /* This is a hack to prevent the compiler from implementing the - above function call as a sibcall. The sibcall would overwrite - the signal context. */ - asm volatile (""); -} |