diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/ChangeLog | 10 | ||||
| -rw-r--r-- | nptl/atomic.h | 141 | ||||
| -rw-r--r-- | nptl/sysdeps/i386/i486/bits/atomic.h | 348 | ||||
| -rw-r--r-- | nptl/sysdeps/i386/i586/bits/atomic.h | 20 | ||||
| -rw-r--r-- | nptl/sysdeps/i386/i686/bits/atomic.h | 20 | ||||
| -rw-r--r-- | nptl/sysdeps/ia64/bits/atomic.h | 97 | ||||
| -rw-r--r-- | nptl/sysdeps/powerpc/bits/atomic.h | 116 | ||||
| -rw-r--r-- | nptl/sysdeps/s390/bits/atomic.h | 78 | ||||
| -rw-r--r-- | nptl/sysdeps/sh/bits/atomic.h | 405 | ||||
| -rw-r--r-- | nptl/sysdeps/x86_64/bits/atomic.h | 294 |
10 files changed, 10 insertions, 1519 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 0ff78787a6..ccdc2dacb0 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,5 +1,15 @@ 2003-03-19 Ulrich Drepper <drepper@redhat.com> + * sysdeps/i386/i686/bits/atomic.h: Removed. + * sysdeps/i386/i586/bits/atomic.h: Removed. + * sysdeps/i386/i486/bits/atomic.h: Removed. Moved to glibc. + * sysdeps/x86_64/bits/atomic.h: Removed. Moved to glibc. + * sysdeps/s390/bits/atomic.h: Removed. Moved to glibc. + * sysdeps/sh/bits/atomic.h: Removed. Moved to glibc. + * sysdeps/ia64/bits/atomic.h: Removed. Moved to glibc. + * sysdeps/powerpc/bits/atomic.h: Removed. Moved to glibc. + * atomic.h: Removed. Moved to glibc. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Add support for clock selection. diff --git a/nptl/atomic.h b/nptl/atomic.h deleted file mode 100644 index 813fb80a03..0000000000 --- a/nptl/atomic.h +++ /dev/null @@ -1,141 +0,0 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - 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 _ATOMIC_H -#define _ATOMIC_H 1 - -#include <stdlib.h> - -#include <bits/atomic.h> - - -#ifndef atomic_compare_and_exchange_acq -# define atomic_compare_and_exchange_acq(mem, newval, oldval) \ - ({ __typeof (__arch_compare_and_exchange_32_acq (mem, newval, oldval)) \ - __result; \ - if (sizeof (*mem) == 1) \ - __result = __arch_compare_and_exchange_8_acq (mem, newval, oldval); \ - else if (sizeof (*mem) == 2) \ - __result = __arch_compare_and_exchange_16_acq (mem, newval, oldval); \ - else if (sizeof (*mem) == 4) \ - __result = __arch_compare_and_exchange_32_acq (mem, newval, oldval); \ - else if (sizeof (*mem) == 8) \ - __result = __arch_compare_and_exchange_64_acq (mem, newval, oldval); \ - else \ - abort (); \ - __result; }) -#endif - - -#ifndef atomic_compare_and_exchange_rel -# define atomic_compare_and_exchange_rel(mem, oldval, newval) \ - atomic_compare_and_exchange_acq (mem, oldval, newval) -#endif - - -#ifndef atomic_exchange_and_add -# define atomic_exchange_and_add(mem, value) \ - ({ __typeof (*mem) __oldval; \ - __typeof (mem) __memp = (mem); \ - __typeof (*mem) __value = (value); \ - \ - do \ - __oldval = (*__memp); \ - while (atomic_compare_and_exchange_acq (__memp, __oldval + __value, \ - __oldval)); \ - \ - __oldval + __value; }) -#endif - - -#ifndef atomic_add -# define atomic_add(mem, value) (void) atomic_exchange_and_add (mem, value) -#endif - - -#ifndef atomic_increment -# define atomic_increment(mem) atomic_add (mem, 1) -#endif - - -#ifndef atomic_increment_and_test -# define atomic_increment_and_test(mem) \ - (atomic_exchange_and_add (mem, 1) == 0) -#endif - - -#ifndef atomic_decrement -# define atomic_decrement(mem) atomic_add (mem, -1) -#endif - - -#ifndef atomic_decrement_and_test -# define atomic_decrement_and_test(mem) \ - (atomic_exchange_and_add (mem, -1) == 0) -#endif - - -#ifndef atomic_add_negative -# define atomic_add_negative(mem, value) \ - (atomic_exchange_and_add (mem, value) < 0) -#endif - - -#ifndef atomic_add_zero -# define atomic_add_zero(mem, value) \ - (atomic_exchange_and_add (mem, value) == 0) -#endif - - -#ifndef atomic_bit_set -# define atomic_bit_set(mem, bit) \ - (void) atomic_bit_test_set(mem, bit) -#endif - - -#ifndef atomic_bit_test_set -# define atomic_bit_test_set(mem, bit) \ - ({ __typeof (*mem) __oldval; \ - __typeof (mem) __memp = (mem); \ - __typeof (*mem) __mask = (1 << (bit)); \ - \ - do \ - __oldval = (*__memp); \ - while (atomic_compare_and_exchange_acq (__memp, \ - __oldval | __mask, __oldval)); \ - \ - __oldval & __mask; }) -#endif - - -#ifndef atomic_full_barrier -# define atomic_full_barrier() __asm ("" ::: "memory") -#endif - - -#ifndef atomic_read_barrier -# define atomic_read_barrier() atomic_full_barrier() -#endif - - -#ifndef atomic_write_barrier -# define atomic_write_barrier() atomic_full_barrier() -#endif - -#endif /* atomic.h */ diff --git a/nptl/sysdeps/i386/i486/bits/atomic.h b/nptl/sysdeps/i386/i486/bits/atomic.h deleted file mode 100644 index 80a49872e1..0000000000 --- a/nptl/sysdeps/i386/i486/bits/atomic.h +++ /dev/null @@ -1,348 +0,0 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - 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 <stdint.h> - - -typedef int8_t atomic8_t; -typedef uint8_t uatomic8_t; -typedef int_fast8_t atomic_fast8_t; -typedef uint_fast8_t uatomic_fast8_t; - -typedef int16_t atomic16_t; -typedef uint16_t uatomic16_t; -typedef int_fast16_t atomic_fast16_t; -typedef uint_fast16_t uatomic_fast16_t; - -typedef int32_t atomic32_t; -typedef uint32_t uatomic32_t; -typedef int_fast32_t atomic_fast32_t; -typedef uint_fast32_t uatomic_fast32_t; - -typedef int64_t atomic64_t; -typedef uint64_t uatomic64_t; -typedef int_fast64_t atomic_fast64_t; -typedef uint_fast64_t uatomic_fast64_t; - -typedef intptr_t atomicptr_t; -typedef uintptr_t uatomicptr_t; -typedef intmax_t atomic_max_t; -typedef uintmax_t uatomic_max_t; - - -#ifndef LOCK -# ifdef UP -# define LOCK /* nothing */ -# else -# define LOCK "lock;" -# endif -#endif - - -#define __arch_compare_and_exchange_8_acq(mem, newval, oldval) \ - ({ unsigned char ret; \ - __asm __volatile (LOCK "cmpxchgb %b2, %1; setne %0" \ - : "=a" (ret), "=m" (*mem) \ - : "q" (newval), "1" (*mem), "0" (oldval)); \ - ret; }) - -#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \ - ({ unsigned char ret; \ - __asm __volatile (LOCK "cmpxchgw %w2, %1; setne %0" \ - : "=a" (ret), "=m" (*mem) \ - : "r" (newval), "1" (*mem), "0" (oldval)); \ - ret; }) - -#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \ - ({ unsigned char ret; \ - __asm __volatile (LOCK "cmpxchgl %2, %1; setne %0" \ - : "=a" (ret), "=m" (*mem) \ - : "r" (newval), "1" (*mem), "0" (oldval)); \ - ret; }) - -/* XXX We do not really need 64-bit compare-and-exchange. At least - not in the moment. Using it would mean causing portability - problems since not many other 32-bit architectures have support for - such an operation. So don't define any code for now. If it is - really going to be used the code below can be used on Intel Pentium - and later, but NOT on i486. */ -#if 1 -# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ - (abort (), 0) -#else -# ifdef __PIC__ -# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ - ({ unsigned char ret; \ - int ignore; \ - __asm __volatile ("xchgl %3, %%ebx\n\t" \ - LOCK "cmpxchg8b %2, %1\n\t" \ - "setne %0\n\t" \ - "xchgl %3, %%ebx" \ - : "=a" (ret), "=m" (*mem), "=d" (ignore) \ - : "DS" (((unsigned long long int) (newval)) \ - & 0xffffffff), \ - "c" (((unsigned long long int) (newval)) >> 32), \ - "1" (*mem), "0" (((unsigned long long int) (oldval)) \ - & 0xffffffff), \ - "2" (((unsigned long long int) (oldval)) >> 32)); \ - ret; }) -# else -# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ - ({ unsigned char ret; \ - int ignore; \ - __asm __volatile (LOCK "cmpxchg8b %2, %1; setne %0" \ - : "=a" (ret), "=m" (*mem), "=d" (ignore) \ - : "b" (((unsigned long long int) (newval)) \ - & 0xffffffff), \ - "c" (((unsigned long long int) (newval)) >> 32), \ - "1" (*mem), "0" (((unsigned long long int) (oldval)) \ - & 0xffffffff), \ - "2" (((unsigned long long int) (oldval)) >> 32)); \ - ret; }) -# endif -#endif - - -#define atomic_exchange_and_add(mem, value) \ - ({ __typeof (*mem) result; \ - __typeof (value) addval = (value); \ - if (sizeof (*mem) == 1) \ - { \ - __asm __volatile (LOCK "xaddb %b0, %1" \ - : "=r" (result), "=m" (*mem) \ - : "0" (addval), "1" (*mem)); \ - result += addval; \ - } \ - else if (sizeof (*mem) == 2) \ - { \ - __asm __volatile (LOCK "xaddw %w0, %1" \ - : "=r" (result), "=m" (*mem) \ - : "0" (addval), "1" (*mem)); \ - result += addval; \ - } \ - else if (sizeof (*mem) == 4) \ - { \ - __asm __volatile (LOCK "xaddl %0, %1" \ - : "=r" (result), "=m" (*mem) \ - : "0" (addval), "1" (*mem)); \ - result += addval; \ - } \ - else \ - { \ - __typeof (*mem) oldval; \ - __typeof (mem) memp = (mem); \ - do \ - result = (oldval = *memp) + addval; \ - while (__arch_compare_and_exchange_64_acq (memp, result, oldval)); \ - } \ - result; }) - - -#define atomic_add(mem, value) \ - (void) ({ if (__builtin_constant_p (value) && (value) == 1) \ - atomic_increment (mem); \ - else if (__builtin_constant_p (value) && (value) == 1) \ - atomic_decrement (mem); \ - else if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "addb %b1, %0" \ - : "=m" (*mem) \ - : "ir" (value), "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "addw %w1, %0" \ - : "=m" (*mem) \ - : "ir" (value), "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "addl %1, %0" \ - : "=m" (*mem) \ - : "ir" (value), "0" (*mem)); \ - else \ - { \ - __typeof (value) addval = (value); \ - __typeof (*mem) oldval; \ - __typeof (mem) memp = (mem); \ - do \ - oldval = *memp; \ - while (__arch_compare_and_exchange_64_acq (memp, \ - oldval + addval, \ - oldval)); \ - } \ - }) - - -#define atomic_add_negative(mem, value) \ - ({ unsigned char __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "addb %b2, %0; sets %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "iq" (value), "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "addw %w2, %0; sets %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "addl %2, %0; sets %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - else \ - abort (); \ - __result; }) - - -#define atomic_add_zero(mem, value) \ - ({ unsigned char __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "addb %b2, %0; setz %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "addw %w2, %0; setz %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "addl %2, %0; setz %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - else \ - abort (); \ - __result; }) - - -#define atomic_increment(mem) \ - (void) ({ if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "incb %b0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "incw %w0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "incl %0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - else \ - { \ - __typeof (*mem) oldval; \ - __typeof (mem) memp = (mem); \ - do \ - oldval = *memp; \ - while (__arch_compare_and_exchange_64_acq (memp, oldval + 1, \ - oldval)); \ - } \ - }) - - -#define atomic_increment_and_test(mem) \ - ({ unsigned char __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "incb %0; sete %b1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "incw %0; sete %w1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "incl %0; sete %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - else \ - abort (); \ - __result; }) - - -#define atomic_decrement(mem) \ - (void) ({ if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "decb %b0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "decw %w0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "decl %0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - else \ - { \ - __typeof (*mem) oldval; \ - __typeof (mem) memp = (mem); \ - do \ - oldval = *memp; \ - while (__arch_compare_and_exchange_64_acq (memp, oldval - 1, \ - oldval)); \ - } \ - }) - - -#define atomic_decrement_and_test(mem) \ - ({ unsigned char __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "decb %b0; sete %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "decw %w0; sete %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "decl %0; sete %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - else \ - abort (); \ - __result; }) - - -#define atomic_bit_set(mem, bit) \ - (void) ({ if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "orb %b2, %0" \ - : "=m" (*mem) \ - : "0" (*mem), "i" (1 << (bit))); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "orw %w2, %0" \ - : "=m" (*mem) \ - : "0" (*mem), "i" (1 << (bit))); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "orl %2, %0" \ - : "=m" (*mem) \ - : "0" (*mem), "i" (1 << (bit))); \ - else \ - abort (); \ - }) - - -#define atomic_bit_test_set(mem, bit) \ - ({ unsigned char __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "btsb %3, %1; setc %0" \ - : "=q" (__result), "=m" (*mem) \ - : "1" (*mem), "i" (bit)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "btsw %3, %1; setc %0" \ - : "=q" (__result), "=m" (*mem) \ - : "1" (*mem), "i" (bit)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "btsl %3, %1; setc %0" \ - : "=q" (__result), "=m" (*mem) \ - : "1" (*mem), "i" (bit)); \ - else \ - abort (); \ - __result; }) diff --git a/nptl/sysdeps/i386/i586/bits/atomic.h b/nptl/sysdeps/i386/i586/bits/atomic.h deleted file mode 100644 index 9cb58d5f32..0000000000 --- a/nptl/sysdeps/i386/i586/bits/atomic.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Copyright (C) 2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - 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 "../../i486/bits/atomic.h" diff --git a/nptl/sysdeps/i386/i686/bits/atomic.h b/nptl/sysdeps/i386/i686/bits/atomic.h deleted file mode 100644 index 9cb58d5f32..0000000000 --- a/nptl/sysdeps/i386/i686/bits/atomic.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Copyright (C) 2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - 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 "../../i486/bits/atomic.h" diff --git a/nptl/sysdeps/ia64/bits/atomic.h b/nptl/sysdeps/ia64/bits/atomic.h deleted file mode 100644 index fab23076cd..0000000000 --- a/nptl/sysdeps/ia64/bits/atomic.h +++ /dev/null @@ -1,97 +0,0 @@ -/* Copyright (C) 2003 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 <stdint.h> -#include <ia64intrin.h> - -typedef int8_t atomic8_t; -typedef uint8_t uatomic8_t; -typedef int_fast8_t atomic_fast8_t; -typedef uint_fast8_t uatomic_fast8_t; - -typedef int16_t atomic16_t; -typedef uint16_t uatomic16_t; -typedef int_fast16_t atomic_fast16_t; -typedef uint_fast16_t uatomic_fast16_t; - -typedef int32_t atomic32_t; -typedef uint32_t uatomic32_t; -typedef int_fast32_t atomic_fast32_t; -typedef uint_fast32_t uatomic_fast32_t; - -typedef int64_t atomic64_t; -typedef uint64_t uatomic64_t; -typedef int_fast64_t atomic_fast64_t; -typedef uint_fast64_t uatomic_fast64_t; - -typedef intptr_t atomicptr_t; -typedef uintptr_t uatomicptr_t; -typedef intmax_t atomic_max_t; -typedef uintmax_t uatomic_max_t; - - -#define __arch_compare_and_exchange_8_acq(mem, newval, oldval) \ - (abort (), 0) - -#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \ - (abort (), 0) - -#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \ - (!__sync_bool_compare_and_swap_si ((int *) (mem), (int) (long) (oldval), \ - (int) (long) (newval))) - -# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ - (!__sync_bool_compare_and_swap_di ((long *) (mem), (long) (oldval), \ - (long) (newval))) - -#define __arch_compare_and_exchange_32_val_acq(mem, newval, oldval) \ - __sync_val_compare_and_swap_si ((int *) (mem), (int) (long) (oldval), \ - (int) (long) (newval)) - -# define __arch_compare_and_exchange_64_val_acq(mem, newval, oldval) \ - __sync_val_compare_and_swap_di ((long *) (mem), (long) (oldval), \ - (long) (newval)) - -# define atomic_exchange_and_add(mem, value) \ - ({ \ - __typeof (*mem) __oldval, __val; \ - __typeof (mem) __memp = (mem); \ - __typeof (*mem) __value = (value); \ - \ - __val = *__memp; \ - if (sizeof (*mem) == 4) \ - do \ - { \ - __oldval = __val; \ - __val = __arch_compare_and_exchange_32_val_acq (__memp, \ - __oldval + __value, \ - __oldval); \ - } \ - while (__builtin_expect (__val != __oldval, 0)); \ - else if (sizeof (*mem) == 8) \ - do \ - { \ - __oldval = __val; \ - __val = __arch_compare_and_exchange_64_val_acq (__memp, \ - __oldval + __value, \ - __oldval); \ - } \ - while (__builtin_expect (__val != __oldval, 0)); \ - else \ - abort (); \ - __oldval + __value; }) diff --git a/nptl/sysdeps/powerpc/bits/atomic.h b/nptl/sysdeps/powerpc/bits/atomic.h deleted file mode 100644 index af6156389f..0000000000 --- a/nptl/sysdeps/powerpc/bits/atomic.h +++ /dev/null @@ -1,116 +0,0 @@ -/* Atomic operations. PowerPC version. - Copyright (C) 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. - - 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 <stdint.h> - -typedef int8_t atomic8_t; -typedef uint8_t uatomic8_t; -typedef int_fast8_t atomic_fast8_t; -typedef uint_fast8_t uatomic_fast8_t; - -typedef int16_t atomic16_t; -typedef uint16_t uatomic16_t; -typedef int_fast16_t atomic_fast16_t; -typedef uint_fast16_t uatomic_fast16_t; - -typedef int32_t atomic32_t; -typedef uint32_t uatomic32_t; -typedef int_fast32_t atomic_fast32_t; -typedef uint_fast32_t uatomic_fast32_t; - -typedef int64_t atomic64_t; -typedef uint64_t uatomic64_t; -typedef int_fast64_t atomic_fast64_t; -typedef uint_fast64_t uatomic_fast64_t; - -typedef intptr_t atomicptr_t; -typedef uintptr_t uatomicptr_t; -typedef intmax_t atomic_max_t; -typedef uintmax_t uatomic_max_t; - - -#define __arch_compare_and_exchange_8_acq(mem, newval, oldval) \ - (abort (), 0) - -#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \ - (abort (), 0) - -#ifdef UP -#define __ARCH_ACQ_INSTR "" -#define __ARCH_REL_INSTR "" -#else -#define __ARCH_ACQ_INSTR "isync" -#define __ARCH_REL_INSTR "sync" -#endif - -/* - * XXX At present these have both acquire and release semantics. - * Ultimately we should do separate _acq and _rel versions. - */ - -/* - * XXX this may not work properly on 64-bit if the register - * containing oldval has the high half non-zero for some reason. - */ -#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \ -({ \ - unsigned int __tmp; \ - __asm __volatile (__ARCH_REL_INSTR "\n" \ - "1: lwarx %0,0,%1\n" \ - " subf. %0,%2,%0\n" \ - " bne 2f\n" \ - " stwcx. %3,0,%1\n" \ - " bne- 1b\n" \ - "2: " __ARCH_ACQ_INSTR \ - : "=&r" (__tmp) \ - : "r" (mem), "r" (oldval), "r" (newval) \ - : "cr0", "memory"); \ - __tmp != 0; \ -}) - -#ifdef __powerpc64__ -#define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ -({ \ - unsigned long __tmp; \ - __asm __volatile (__ARCH_REL_INSTR "\n" \ - "1: ldarx %0,0,%1\n" \ - " subf. %0,%2,%0\n" \ - " bne 2f\n" \ - " stdcx. %3,0,%1\n" \ - " bne- 1b\n" \ - "2: " __ARCH_ACQ_INSTR \ - : "=&r" (__tmp) \ - : "r" (mem), "r" (oldval), "r" (newval) \ - : "cr0", "memory"); \ - __tmp != 0; \ -}) - -#else /* powerpc32 */ -#define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ - (abort (), 0) -#endif - -#define atomic_full_barrier() __asm ("sync" ::: "memory") -#ifdef __powerpc64__ -#define atomic_read_barrier() __asm ("lwsync" ::: "memory") -#else -#define atomic_read_barrier() __asm ("sync" ::: "memory") -#endif -#define atomic_write_barrier() __asm ("eieio" ::: "memory") diff --git a/nptl/sysdeps/s390/bits/atomic.h b/nptl/sysdeps/s390/bits/atomic.h deleted file mode 100644 index 375ae0d5e7..0000000000 --- a/nptl/sysdeps/s390/bits/atomic.h +++ /dev/null @@ -1,78 +0,0 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003. - - 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 <stdint.h> - -typedef int8_t atomic8_t; -typedef uint8_t uatomic8_t; -typedef int_fast8_t atomic_fast8_t; -typedef uint_fast8_t uatomic_fast8_t; - -typedef int16_t atomic16_t; -typedef uint16_t uatomic16_t; -typedef int_fast16_t atomic_fast16_t; -typedef uint_fast16_t uatomic_fast16_t; - -typedef int32_t atomic32_t; -typedef uint32_t uatomic32_t; -typedef int_fast32_t atomic_fast32_t; -typedef uint_fast32_t uatomic_fast32_t; - -typedef int64_t atomic64_t; -typedef uint64_t uatomic64_t; -typedef int_fast64_t atomic_fast64_t; -typedef uint_fast64_t uatomic_fast64_t; - -typedef intptr_t atomicptr_t; -typedef uintptr_t uatomicptr_t; -typedef intmax_t atomic_max_t; -typedef uintmax_t uatomic_max_t; - - -#define __arch_compare_and_exchange_8_acq(mem, newval, oldval) \ - (abort (), 0) - -#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \ - (abort (), 0) - -#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \ - ({ unsigned int *__mem = (unsigned int *) (mem); \ - unsigned int __old = (unsigned int) (oldval); \ - unsigned int __cmp = __old; \ - __asm __volatile ("cs %0,%2,%1" \ - : "+d" (__old), "=Q" (*__mem) \ - : "d" (newval), "m" (*__mem) : "cc" ); \ - __cmp != __old; }) - -#ifdef __s390x__ -# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ - ({ unsigned long int *__mem = (unsigned long int *) (mem); \ - unsigned long int __old = (unsigned long int) (oldval); \ - unsigned long int __cmp = __old; \ - __asm __volatile ("csg %0,%2,%1" \ - : "+d" (__old), "=Q" (*__mem) \ - : "d" (newval), "m" (*__mem) : "cc" ); \ - __cmp != __old; }) -#else -/* For 31 bit we do not really need 64-bit compare-and-exchange. We can - implement them by use of the csd instruction. The straightforward - implementation causes warnings so we skip the definition for now. */ -# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ - (abort (), 0) -#endif diff --git a/nptl/sysdeps/sh/bits/atomic.h b/nptl/sysdeps/sh/bits/atomic.h deleted file mode 100644 index de176ca2c5..0000000000 --- a/nptl/sysdeps/sh/bits/atomic.h +++ /dev/null @@ -1,405 +0,0 @@ -/* Copyright (C) 2003 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 <stdint.h> - - -typedef int8_t atomic8_t; -typedef uint8_t uatomic8_t; -typedef int_fast8_t atomic_fast8_t; -typedef uint_fast8_t uatomic_fast8_t; - -typedef int16_t atomic16_t; -typedef uint16_t uatomic16_t; -typedef int_fast16_t atomic_fast16_t; -typedef uint_fast16_t uatomic_fast16_t; - -typedef int32_t atomic32_t; -typedef uint32_t uatomic32_t; -typedef int_fast32_t atomic_fast32_t; -typedef uint_fast32_t uatomic_fast32_t; - -typedef int64_t atomic64_t; -typedef uint64_t uatomic64_t; -typedef int_fast64_t atomic_fast64_t; -typedef uint_fast64_t uatomic_fast64_t; - -typedef intptr_t atomicptr_t; -typedef uintptr_t uatomicptr_t; -typedef intmax_t atomic_max_t; -typedef uintmax_t uatomic_max_t; - - -#define __arch_compare_and_exchange_8_acq(mem, newval, oldval) \ - ({ unsigned char __result; \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.b @%1,r2\n\ - cmp/eq r2,%3\n\ - bf 1f\n\ - mov.b %2,@%1\n\ - 1: mov r1,r15\n\ - mov #-1,%0\n\ - negc %0,%0"\ - : "=r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \ - : "r0", "r1", "r2", "t", "memory"); \ - __result; }) - -#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \ - ({ unsigned char __result; \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.w @%1,r2\n\ - cmp/eq r2,%3\n\ - bf 1f\n\ - mov.w %2,@%1\n\ - 1: mov r1,r15\n\ - mov #-1,%0\n\ - negc %0,%0"\ - : "=r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \ - : "r0", "r1", "r2", "t", "memory"); \ - __result; }) - -#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \ - ({ unsigned char __result; \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%1,r2\n\ - cmp/eq r2,%3\n\ - bf 1f\n\ - mov.l %2,@%1\n\ - 1: mov r1,r15\n\ - mov #-1,%0\n\ - negc %0,%0"\ - : "=r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \ - : "r0", "r1", "r2", "t", "memory"); \ - __result; }) - -/* XXX We do not really need 64-bit compare-and-exchange. At least - not in the moment. Using it would mean causing portability - problems since not many other 32-bit architectures have support for - such an operation. So don't define any code for now. */ - -# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ - (abort (), 0) - -#define atomic_exchange_and_add(mem, value) \ - ({ __typeof (*mem) __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.b @%2,%0\n\ - add %0,%1\n\ - mov.b %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__result), "=&r" (value) : "r" (mem), "1" (value) \ - : "r0", "r1", "memory"); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.w @%2,%0\n\ - add %0,%1\n\ - mov.w %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__result), "=&r" (value) : "r" (mem), "1" (value) \ - : "r0", "r1", "memory"); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%2,%0\n\ - add %0,%1\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__result), "=&r" (value) : "r" (mem), "1" (value) \ - : "r0", "r1", "memory"); \ - else \ - { \ - __typeof (value) addval = (value); \ - __typeof (*mem) oldval; \ - __typeof (mem) memp = (mem); \ - do \ - __result = (oldval = *memp) + addval; \ - while (!__arch_compare_and_exchange_64_acq (memp, __result, oldval));\ - (void) addval; \ - } \ - __result; }) - -#define atomic_add(mem, value) \ - (void) ({ if (sizeof (*mem) == 1) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.b @%1,r2\n\ - add r2,%0\n\ - mov.b %0,@%1\n\ - 1: mov r1,r15"\ - : "=&r" (value) : "r" (mem), "0" (value) \ - : "r0", "r1", "r2", "memory"); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.w @%1,r2\n\ - add r2,%0\n\ - mov.w %0,@%1\n\ - 1: mov r1,r15"\ - : "=&r" (value) : "r" (mem), "0" (value) \ - : "r0", "r1", "r2", "memory"); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%1,r2\n\ - add r2,%0\n\ - mov.l %0,@%1\n\ - 1: mov r1,r15"\ - : "=&r" (value) : "r" (mem), "0" (value) \ - : "r0", "r1", "r2", "memory"); \ - else \ - { \ - __typeof (value) addval = (value); \ - __typeof (*mem) oldval; \ - __typeof (mem) memp = (mem); \ - do \ - oldval = *memp; \ - while (! __arch_compare_and_exchange_64_acq (memp, \ - oldval + addval, \ - oldval)); \ - (void) addval; \ - } \ - }) - -#define atomic_add_negative(mem, value) \ - ({ unsigned char __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.b @%2,r2\n\ - add r2,%1\n\ - mov.b %1,@%2\n\ - 1: mov r1,r15\n\ - shal %1\n\ - movt %0"\ - : "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \ - : "r0", "r1", "r2", "t", "memory"); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.w @%2,r2\n\ - add r2,%1\n\ - mov.w %1,@%2\n\ - 1: mov r1,r15\n\ - shal %1\n\ - movt %0"\ - : "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \ - : "r0", "r1", "r2", "t", "memory"); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%2,r2\n\ - add r2,%1\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15\n\ - shal %1\n\ - movt %0"\ - : "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \ - : "r0", "r1", "r2", "t", "memory"); \ - else \ - abort (); \ - __result; }) - -#define atomic_add_zero(mem, value) \ - ({ unsigned char __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.b @%2,r2\n\ - add r2,%1\n\ - mov.b %1,@%2\n\ - 1: mov r1,r15\n\ - tst %1,%1\n\ - movt %0"\ - : "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \ - : "r0", "r1", "r2", "t", "memory"); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.w @%2,r2\n\ - add r2,%1\n\ - mov.w %1,@%2\n\ - 1: mov r1,r15\n\ - tst %1,%1\n\ - movt %0"\ - : "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \ - : "r0", "r1", "r2", "t", "memory"); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%2,r2\n\ - add r2,%1\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15\n\ - tst %1,%1\n\ - movt %0"\ - : "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \ - : "r0", "r1", "r2", "t", "memory"); \ - else \ - abort (); \ - __result; }) - -#define atomic_increment_and_test(mem) atomic_add_zero((mem), 1) -#define atomic_decrement_and_test(mem) atomic_add_zero((mem), -1) - -#define atomic_bit_set(mem, bit) \ - (void) ({ unsigned int __mask = 1 << (bit); \ - if (sizeof (*mem) == 1) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.b @%0,r2\n\ - or %1,r2\n\ - mov.b r2,@%0\n\ - 1: mov r1,r15"\ - : : "r" (mem), "r" (__mask) \ - : "r0", "r1", "r2", "memory"); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.w @%0,r2\n\ - or %1,r2\n\ - mov.w r2,@%0\n\ - 1: mov r1,r15"\ - : : "r" (mem), "r" (__mask) \ - : "r0", "r1", "r2", "memory"); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%0,r2\n\ - or %1,r2\n\ - mov.l r2,@%0\n\ - 1: mov r1,r15"\ - : : "r" (mem), "r" (__mask) \ - : "r0", "r1", "r2", "memory"); \ - else \ - abort (); \ - }) - -#define atomic_bit_test_set(mem, bit) \ - ({ unsigned int __mask = 1 << (bit); \ - unsigned int __result = __mask; \ - if (sizeof (*mem) == 1) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.b @%2,r2\n\ - or r2,%1\n\ - and r2,%0\n\ - mov.b %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__result), "=&r" (__mask) \ - : "r" (mem), "0" (__result), "1" (__mask) \ - : "r0", "r1", "r2", "memory"); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.w @%2,r2\n\ - or r2,%1\n\ - and r2,%0\n\ - mov.w %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__result), "=&r" (__mask) \ - : "r" (mem), "0" (__result), "1" (__mask) \ - : "r0", "r1", "r2", "memory"); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%2,r2\n\ - or r2,%1\n\ - and r2,%0\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__result), "=&r" (__mask) \ - : "r" (mem), "0" (__result), "1" (__mask) \ - : "r0", "r1", "r2", "memory"); \ - else \ - abort (); \ - __result; }) diff --git a/nptl/sysdeps/x86_64/bits/atomic.h b/nptl/sysdeps/x86_64/bits/atomic.h deleted file mode 100644 index f72f16c501..0000000000 --- a/nptl/sysdeps/x86_64/bits/atomic.h +++ /dev/null @@ -1,294 +0,0 @@ -/* Copyright (C) 2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - 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 <stdint.h> - - -typedef int8_t atomic8_t; -typedef uint8_t uatomic8_t; -typedef int_fast8_t atomic_fast8_t; -typedef uint_fast8_t uatomic_fast8_t; - -typedef int16_t atomic16_t; -typedef uint16_t uatomic16_t; -typedef int_fast16_t atomic_fast16_t; -typedef uint_fast16_t uatomic_fast16_t; - -typedef int32_t atomic32_t; -typedef uint32_t uatomic32_t; -typedef int_fast32_t atomic_fast32_t; -typedef uint_fast32_t uatomic_fast32_t; - -typedef int64_t atomic64_t; -typedef uint64_t uatomic64_t; -typedef int_fast64_t atomic_fast64_t; -typedef uint_fast64_t uatomic_fast64_t; - -typedef intptr_t atomicptr_t; -typedef uintptr_t uatomicptr_t; -typedef intmax_t atomic_max_t; -typedef uintmax_t uatomic_max_t; - - -#ifndef LOCK -# ifdef UP -# define LOCK /* nothing */ -# else -# define LOCK "lock;" -# endif -#endif - - -#define __arch_compare_and_exchange_8_acq(mem, newval, oldval) \ - ({ unsigned char ret; \ - __asm __volatile (LOCK "cmpxchgb %b2, %1; setne %0" \ - : "=a" (ret), "=m" (*mem) \ - : "q" (newval), "1" (*mem), "0" (oldval)); \ - ret; }) - -#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \ - ({ unsigned char ret; \ - __asm __volatile (LOCK "cmpxchgw %w2, %1; setne %0" \ - : "=a" (ret), "=m" (*mem) \ - : "r" (newval), "1" (*mem), "0" (oldval)); \ - ret; }) - -#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \ - ({ unsigned char ret; \ - __asm __volatile (LOCK "cmpxchgl %2, %1; setne %0" \ - : "=a" (ret), "=m" (*mem) \ - : "r" (newval), "1" (*mem), "0" (oldval)); \ - ret; }) - -#define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ - ({ unsigned char ret; \ - __asm __volatile (LOCK "cmpxchgq %q2, %1; setne %0" \ - : "=a" (ret), "=m" (*mem) \ - : "r" (newval), "1" (*mem), "0" (oldval)); \ - ret; }) - - -#define atomic_exchange_and_add(mem, value) \ - ({ __typeof (*mem) result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "xaddb %b0, %1" \ - : "=r" (result), "=m" (*mem) \ - : "0" (value), "1" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "xaddw %w0, %1" \ - : "=r" (result), "=m" (*mem) \ - : "0" (value), "1" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "xaddl %0, %1" \ - : "=r" (result), "=m" (*mem) \ - : "0" (value), "1" (*mem)); \ - else \ - __asm __volatile (LOCK "xaddq %q0, %1" \ - : "=r" (result), "=m" (*mem) \ - : "0" (value), "1" (*mem)); \ - result; }) - - -#define atomic_add(mem, value) \ - (void) ({ if (__builtin_constant_p (value) && (value) == 1) \ - atomic_increment (mem); \ - else if (__builtin_constant_p (value) && (value) == 1) \ - atomic_decrement (mem); \ - else if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "addb %b1, %0" \ - : "=m" (*mem) \ - : "ir" (value), "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "addw %w1, %0" \ - : "=m" (*mem) \ - : "ir" (value), "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "addl %1, %0" \ - : "=m" (*mem) \ - : "ir" (value), "0" (*mem)); \ - else \ - __asm __volatile (LOCK "addq %q1, %0" \ - : "=m" (*mem) \ - : "ir" (value), "0" (*mem)); \ - }) - - -#define atomic_add_negative(mem, value) \ - ({ unsigned char __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "addb %b2, %0; sets %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "addw %w2, %0; sets %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "addl %2, %0; sets %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - else \ - __asm __volatile (LOCK "addq %q2, %0; sets %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - __result; }) - - -#define atomic_add_zero(mem, value) \ - ({ unsigned char __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "addb %b2, %0; setz %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "addw %w2, %0; setz %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "addl %2, %0; setz %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - else \ - __asm __volatile (LOCK "addq %q2, %0; setz %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "ir" (value), "0" (*mem)); \ - __result; }) - - -#define atomic_increment(mem) \ - (void) ({ if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "incb %b0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "incw %w0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "incl %0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - else \ - __asm __volatile (LOCK "incq %q0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - }) - - -#define atomic_increment_and_test(mem) \ - ({ unsigned char __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "incb %b0; sete %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "incw %w0; sete %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "incl %0; sete %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - else \ - __asm __volatile (LOCK "incq %q0; sete %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - __result; }) - - -#define atomic_decrement(mem) \ - (void) ({ if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "decb %b0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "decw %w0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "decl %0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - else \ - __asm __volatile (LOCK "decq %q0" \ - : "=m" (*mem) \ - : "0" (*mem)); \ - }) - - -#define atomic_decrement_and_test(mem) \ - ({ unsigned char __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "decb %b0; sete %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "decw %w0; sete %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "decl %0; sete %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - else \ - __asm __volatile (LOCK "decq %q0; sete %1" \ - : "=m" (*mem), "=qm" (__result) \ - : "0" (*mem)); \ - __result; }) - - -#define atomic_bit_set(mem, bit) \ - (void) ({ if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "orb %b2, %0" \ - : "=m" (*mem) \ - : "0" (*mem), "i" (1 << (bit))); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "orw %w2, %0" \ - : "=m" (*mem) \ - : "0" (*mem), "i" (1 << (bit))); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "orl %2, %0" \ - : "=m" (*mem) \ - : "0" (*mem), "i" (1 << (bit))); \ - else \ - __asm __volatile (LOCK "orq %q2, %0" \ - : "=m" (*mem) \ - : "0" (*mem), "i" (1 << (bit))); \ - }) - - -#define atomic_bit_test_set(mem, bit) \ - ({ unsigned char __result; \ - if (sizeof (*mem) == 1) \ - __asm __volatile (LOCK "btsb %3, %1; setc %0" \ - : "=q" (__result), "=m" (*mem) \ - : "1" (*mem), "i" (bit)); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile (LOCK "btsw %3, %1; setc %0" \ - : "=q" (__result), "=m" (*mem) \ - : "1" (*mem), "i" (bit)); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile (LOCK "btsl %3, %1; setc %0" \ - : "=q" (__result), "=m" (*mem) \ - : "1" (*mem), "i" (bit)); \ - else \ - __asm __volatile (LOCK "btsq %3, %1; setc %0" \ - : "=q" (__result), "=m" (*mem) \ - : "1" (*mem), "i" (bit)); \ - __result; }) |