+++ /dev/null
-/* Low-level functions for atomic operations. Alpha 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 inline int
-__attribute_used__
-exchange_and_add (volatile uint32_t *mem, int val)
-{
- register int result, tmp;
-
- __asm__ __volatile__ (
- "/* Inline exchange & add */\n"
- "1:\t"
- "ldl_l %0,%3\n\t"
- "addl %0,%4,%1\n\t"
- "stl_c %1,%2\n\t"
- "beq %1,2f\n"
- ".subsection 1\n"
- "2:\t"
- "br 1b\n"
- ".previous\n\t"
- "mb\n\t"
- "/* End exchange & add */"
- : "=&r"(result), "=&r"(tmp), "=m"(*mem)
- : "m" (*mem), "r"(val));
-
- return result;
-}
-
-static inline void
-__attribute_used__
-atomic_add (volatile uint32_t *mem, int val)
-{
- register int result;
-
- __asm__ __volatile__ (
- "/* Inline exchange & add */\n"
- "1:\t"
- "ldl_l %0,%2\n\t"
- "addl %0,%3,%0\n\t"
- "stl_c %0,%1\n\t"
- "beq %0,2f\n\t"
- ".subsection 1\n"
- "2:\t"
- "br 1b\n"
- ".previous\n\t"
- "mb\n\t"
- "/* End exchange & add */"
- : "=&r"(result), "=m"(*mem)
- : "m" (*mem), "r"(val));
-}
-
-static inline long
-__attribute_used__
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
- long int ret;
-
- __asm__ __volatile__ (
- "/* Inline compare & swap */\n"
- "1:\t"
- "ldq_l %0,%4\n\t"
- "cmpeq %0,%2,%0\n\t"
- "beq %0,3f\n\t"
- "mov %3,%0\n\t"
- "stq_c %0,%1\n\t"
- "beq %0,2f\n\t"
- ".subsection 1\n"
- "2:\t"
- "br 1b\n"
- ".previous\n\t"
- "3:\t"
- "mb\n\t"
- "/* End compare & swap */"
- : "=&r"(ret), "=m"(*p)
- : "r"(oldval), "r"(newval), "m"(*p));
-
- return ret;
-}
-
-#endif /* atomicity.h */
+++ /dev/null
-/* Low-level functions for atomic operations. ARM version.
- Copyright (C) 1997, 1998, 1999, 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; 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 int
-__attribute_used__
-exchange_and_add (volatile uint32_t *mem, int val)
-{
- int tmp1;
- int tmp2;
- int result;
- __asm__ ("\n"
-#if defined(__thumb__)
- "\t.align 0\n"
- "\tbx pc\n"
- "\tnop\n"
- "\t.arm\n"
-#endif
- "0:\tldr\t%0,[%3]\n\t"
- "add\t%1,%0,%4\n\t"
- "swp\t%2,%1,[%3]\n\t"
- "cmp\t%0,%2\n\t"
- "swpne\t%1,%2,[%3]\n\t"
- "bne\t0b"
-#if defined(__thumb__)
- "\torr %1, pc, #1\n"
- "\tbx %1\n"
- "\t.force_thumb"
-#endif
- : "=&r" (result), "=&r" (tmp1), "=&r" (tmp2)
- : "r" (mem), "r"(val)
- : "cc", "memory");
- return result;
-}
-
-static inline void
-__attribute_used__
-atomic_add (volatile uint32_t *mem, int val)
-{
- int tmp1;
- int tmp2;
- int tmp3;
- __asm__ ("\n"
-#if defined(__thumb__)
- "\t.align 0\n"
- "\tbx pc\n"
- "\tnop\n"
- "\t.arm\n"
-#endif
- "0:\tldr\t%0,[%3]\n\t"
- "add\t%1,%0,%4\n\t"
- "swp\t%2,%1,[%3]\n\t"
- "cmp\t%0,%2\n\t"
- "swpne\t%1,%2,[%3]\n\t"
- "bne\t0b"
-#if defined(__thumb__)
- "\torr %1, pc, #1\n"
- "\tbx %1\n"
- "\t.force_thumb"
-#endif
- : "=&r" (tmp1), "=&r" (tmp2), "=&r" (tmp3)
- : "r" (mem), "r"(val)
- : "cc", "memory");
-}
-
-static inline int
-__attribute_used__
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
- int result, tmp;
- __asm__ ("\n"
-#if defined(__thumb__)
- "\t.align 0\n"
- "\tbx pc\n"
- "\tnop\n"
- "\t.arm\n"
-#endif
- "0:\tldr\t%1,[%2]\n\t"
- "mov\t%0,#0\n\t"
- "cmp\t%1,%4\n\t"
- "bne\t1f\n\t"
- "swp\t%0,%3,[%2]\n\t"
- "cmp\t%1,%0\n\t"
- "swpne\t%1,%0,[%2]\n\t"
- "bne\t0b\n\t"
- "mov\t%0,#1\n"
- "1:"
-#if defined(__thumb__)
- "\torr %1, pc, #1\n"
- "\tbx %1\n"
- "\t.force_thumb"
-#endif
- : "=&r" (result), "=&r" (tmp)
- : "r" (p), "r" (newval), "r" (oldval)
- : "cc", "memory");
- return result;
-}
-
-#endif /* atomicity.h */
+++ /dev/null
-/* Low-level statistical profiling support function. Linux/ARM 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/armsigctx.h>
-
-void
-profil_counter (int signo, int _a2, int _a3, int _a4, union k_sigcontext sc)
-{
- void *pc;
- if (sc.v20.magic == SIGCONTEXT_2_0_MAGIC)
- pc = (void *) sc.v20.reg.ARM_pc;
- else
- pc = (void *) sc.v21.arm_pc;
- profil_count (pc);
-
- /* 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 ("");
-}
+++ /dev/null
-/* Low-level functions for atomic operations. Stub version.
- Copyright (C) 1997,2001 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>
-
-#warning stub atomicity functions are not really atomic
-
-static inline int
-__attribute_used__
-exchange_and_add (volatile uint32_t *mem, int val)
-{
- int result = *mem;
- *mem += val;
- return result;
-}
-
-static inline void
-__attribute_used__
-atomic_add (volatile uint32_t *mem, int val)
-{
- *mem += val;
-}
-
-static inline int
-__attribute_used__
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
- if (*p != oldval)
- return 0;
-
- *p = newval;
- return 1;
-}
-
-#endif /* atomicity.h */
+++ /dev/null
-/* Machine-dependent SIGPROF signal handler. "Generic" version w/ sigcontext
- Copyright (C) 1996, 1997 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. */
-
-/* In many Unix systems signal handlers are called like this
- and the interrupted PC is easily findable in the `struct sigcontext'. */
-
-static void
-profil_counter (int signr, int code, struct sigcontext *scp)
-{
- profil_count ((void *) scp->sc_pc);
-}
+++ /dev/null
-/* Low-level statistical profiling support function. Linux/CRIS version.
- Copyright (C) 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. */
-
-#include <signal.h>
-
-static void
-profil_counter (int signo, struct sigcontext *scp)
-{
- profil_count ((void *) scp->regs.irp);
-}
+++ /dev/null
-/* Low-level functions for atomic operations. H8/300 version.
- 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__ ((unused))
-exchange_and_add (volatile uint32_t *mem, uint32_t val)
-{
- uint32_t result;
- __asm__ __volatile__ ("stc ccr,@-sp\n\t"
- "orc #0x80,ccr\n\t"
- "mov.l %1,er1\n\t"
- "mov.l %0,%1\n\t"
- "add.l er1,%0\n\t"
- "ldc @sp+,ccr"
- : "=r" (result), "=m" (*mem)
- : "0" (val), "1" (*mem)
- : "er1");
- return result;
-}
-
-static inline void
-__attribute__ ((unused))
-atomic_add (volatile uint32_t *mem, int val)
-{
- __asm__ __volatile__ ("stc ccr,@-sp\n\t"
- "orc #0x80,ccr\n\t"
- "mov.l %0,er0\n\t"
- "add %1,er0\n\t"
- "mov.l er0,%0\n\t"
- "ldc @sp+,ccr"
- : "=m" (*mem)
- : "r" (val), "0" (*mem)
- : "er0");
-}
-
-static inline int
-__attribute__ ((unused))
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
- int ret = 0;
-
- __asm__ __volatile__ ("stc ccr,@-sp\n\t"
- "orc #0x80,ccr\n\t"
- "mov.l %1,er0\n\t"
- "cmp.l %2,er0\n\t"
- "bne 1f\n\t"
- "mov.l %3,%1\n\t"
- "inc.l #1,%0\n"
- "1:\n\t"
- "ldc @sp+,ccr"
- : "=r"(ret),"=m"(*p)
- : "r"(oldval),"r"(newval),"0"(ret),"1"(*p)
- : "er0");
- return ret;
-}
-
-#endif /* atomicity.h */
+++ /dev/null
-/* 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 */
+++ /dev/null
-/* 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 ("");
-}
+++ /dev/null
-/* Low-level functions for atomic operations. m680x0 version, x >= 2.
- Copyright (C) 1997 Free Software Foundation, Inc.
- Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>.
- 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 int
-__attribute_used__
-exchange_and_add (volatile uint32_t *mem, int val)
-{
- register int result = *mem;
- register int temp;
- __asm__ __volatile__ ("1: move%.l %0,%1;"
- " add%.l %2,%1;"
- " cas%.l %0,%1,%3;"
- " jbne 1b"
- : "=d" (result), "=&d" (temp)
- : "d" (val), "m" (*mem), "0" (result) : "memory");
- return result;
-}
-
-static inline void
-__attribute_used__
-atomic_add (volatile uint32_t *mem, int val)
-{
- /* XXX Use cas here as well? */
- __asm__ __volatile__ ("add%.l %0,%1"
- : : "id" (val), "m" (*mem) : "memory");
-}
-
-static inline int
-__attribute_used__
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
- char ret;
- long int readval;
-
- __asm__ __volatile__ ("cas%.l %2,%3,%1; seq %0"
- : "=dm" (ret), "=m" (*p), "=d" (readval)
- : "d" (newval), "m" (*p), "2" (oldval));
- return ret;
-}
-
-#endif /* atomicity.h */
+++ /dev/null
-/* Low-level functions for atomic operations. Mips version.
- Copyright (C) 2001, 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. */
-
-#ifndef _MIPS_ATOMICITY_H
-#define _MIPS_ATOMICITY_H 1
-
-#include <inttypes.h>
-
-static inline int
-__attribute_used__
-exchange_and_add (volatile uint32_t *mem, int val)
-{
- int result, tmp;
-
- __asm__ __volatile__
- ("/* Inline exchange & add */\n"
- "1:\n\t"
- ".set push\n\t"
- ".set mips2\n\t"
- "ll %0,%3\n\t"
- "addu %1,%4,%0\n\t"
- "sc %1,%2\n\t"
- ".set pop\n\t"
- "beqz %1,1b\n\t"
- "/* End exchange & add */"
- : "=&r"(result), "=&r"(tmp), "=m"(*mem)
- : "m" (*mem), "r"(val)
- : "memory");
-
- return result;
-}
-
-static inline void
-__attribute_used__
-atomic_add (volatile uint32_t *mem, int val)
-{
- int result;
-
- __asm__ __volatile__
- ("/* Inline atomic add */\n"
- "1:\n\t"
- ".set push\n\t"
- ".set mips2\n\t"
- "ll %0,%2\n\t"
- "addu %0,%3,%0\n\t"
- "sc %0,%1\n\t"
- ".set pop\n\t"
- "beqz %0,1b\n\t"
- "/* End atomic add */"
- : "=&r"(result), "=m"(*mem)
- : "m" (*mem), "r"(val)
- : "memory");
-}
-
-static inline int
-__attribute_used__
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
- long int ret, temp;
-
- __asm__ __volatile__
- ("/* Inline compare & swap */\n"
- "1:\n\t"
- ".set push\n\t"
- ".set mips2\n\t"
- "ll %1,%5\n\t"
- "move %0,$0\n\t"
- "bne %1,%3,2f\n\t"
- "move %0,%4\n\t"
- "sc %0,%2\n\t"
- ".set pop\n\t"
- "beqz %0,1b\n"
- "2:\n\t"
- "/* End compare & swap */"
- : "=&r" (ret), "=&r" (temp), "=m" (*p)
- : "r" (oldval), "r" (newval), "m" (*p)
- : "memory");
-
- return ret;
-}
-
-#endif /* atomicity.h */
+++ /dev/null
-/* 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->regs.ea);
-}
+++ /dev/null
-/* Low-level functions for atomic operations. PowerPC version.
- Copyright (C) 1997, 1998, 1999, 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; 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>
-
-#if BROKEN_PPC_ASM_CR0
-# define __ATOMICITY_INLINE /* nothing */
-#else
-# define __ATOMICITY_INLINE inline
-#endif
-
-static __ATOMICITY_INLINE int
-__attribute_used__
-exchange_and_add (volatile uint32_t *mem, int val)
-{
- int tmp, result;
- __asm__ ("\n\
-0: lwarx %0,0,%2 \n\
- add%I3 %1,%0,%3 \n\
- stwcx. %1,0,%2 \n\
- bne- 0b \n\
-" : "=&b"(result), "=&r"(tmp) : "r" (mem), "Ir"(val) : "cr0", "memory");
- return result;
-}
-
-static __ATOMICITY_INLINE void
-__attribute_used__
-atomic_add (volatile uint32_t *mem, int val)
-{
- int tmp;
- __asm__ ("\n\
-0: lwarx %0,0,%1 \n\
- add%I2 %0,%0,%2 \n\
- stwcx. %0,0,%1 \n\
- bne- 0b \n\
-" : "=&b"(tmp) : "r" (mem), "Ir"(val) : "cr0", "memory");
-}
-
-static __ATOMICITY_INLINE int
-__attribute_used__
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
- int result;
- __asm__ ("\n\
-0: lwarx %0,0,%1 \n\
- sub%I2c. %0,%0,%2 \n\
- cntlzw %0,%0 \n\
- bne- 1f \n\
- stwcx. %3,0,%1 \n\
- bne- 0b \n\
-1: \n\
-" : "=&b"(result) : "r"(p), "Ir"(oldval), "r"(newval) : "cr0", "memory");
- return result >> 5;
-}
-
-static __ATOMICITY_INLINE long int
-__attribute_used__
-always_swap (volatile long int *p, long int newval)
-{
- long int result;
- __asm__ ("\n\
-0: lwarx %0,0,%1 \n\
- stwcx. %2,0,%1 \n\
- bne- 0b \n\
-" : "=&r"(result) : "r"(p), "r"(newval) : "cr0", "memory");
- return result;
-}
-
-static __ATOMICITY_INLINE int
-__attribute_used__
-test_and_set (volatile long int *p, long int newval)
-{
- int result;
- __asm__ ("\n\
-0: lwarx %0,0,%1 \n\
- cmpwi %0,0 \n\
- bne- 1f \n\
- stwcx. %2,0,%1 \n\
- bne- 0b \n\
-1: \n\
-" : "=&r"(result) : "r"(p), "r"(newval) : "cr0", "memory");
- return result;
-}
-
-#endif /* atomicity.h */
+++ /dev/null
-/* 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 ("");
-}
+++ /dev/null
-/* Low-level statistical profiling support function. Linux/SH version.
- Copyright (C) 1996, 1997, 1998, 2000, 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>
-
-static void
-profil_counter (int signo, int _a2, int _a3, int _a4, struct sigcontext sc)
-{
- void *pc;
- pc = (void *) sc.sc_pc;
- profil_count (pc);
-
- /* 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 ("");
-}
+++ /dev/null
-/* 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 */
+++ /dev/null
-/* 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);
-}
+++ /dev/null
-/* 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 ("");
-}
+++ /dev/null
-/* Copyright (C) 2002, 2003, 2004 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_PREFIX
-# ifdef UP
-# define LOCK_PREFIX /* nothing */
-# else
-# define LOCK_PREFIX "lock;"
-# endif
-#endif
-
-
-#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile (LOCK_PREFIX "cmpxchgb %b2, %1" \
- : "=a" (ret), "=m" (*mem) \
- : "q" (newval), "m" (*mem), "0" (oldval)); \
- ret; })
-
-#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile (LOCK_PREFIX "cmpxchgw %w2, %1" \
- : "=a" (ret), "=m" (*mem) \
- : "r" (newval), "m" (*mem), "0" (oldval)); \
- ret; })
-
-#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile (LOCK_PREFIX "cmpxchgl %2, %1" \
- : "=a" (ret), "=m" (*mem) \
- : "r" (newval), "m" (*mem), "0" (oldval)); \
- ret; })
-
-#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile (LOCK_PREFIX "cmpxchgq %q2, %1" \
- : "=a" (ret), "=m" (*mem) \
- : "r" ((long) (newval)), "m" (*mem), \
- "0" ((long) (oldval))); \
- ret; })
-
-
-/* Note that we need no lock prefix. */
-#define atomic_exchange_acq(mem, newvalue) \
- ({ __typeof (*mem) result; \
- if (sizeof (*mem) == 1) \
- __asm __volatile ("xchgb %b0, %1" \
- : "=r" (result), "=m" (*mem) \
- : "0" (newvalue), "m" (*mem)); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile ("xchgw %w0, %1" \
- : "=r" (result), "=m" (*mem) \
- : "0" (newvalue), "m" (*mem)); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile ("xchgl %0, %1" \
- : "=r" (result), "=m" (*mem) \
- : "0" (newvalue), "m" (*mem)); \
- else \
- __asm __volatile ("xchgq %q0, %1" \
- : "=r" (result), "=m" (*mem) \
- : "0" ((long) (newvalue)), "m" (*mem)); \
- result; })
-
-
-#define atomic_exchange_and_add(mem, value) \
- ({ __typeof (*mem) result; \
- if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "xaddb %b0, %1" \
- : "=r" (result), "=m" (*mem) \
- : "0" (value), "m" (*mem)); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "xaddw %w0, %1" \
- : "=r" (result), "=m" (*mem) \
- : "0" (value), "m" (*mem)); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "xaddl %0, %1" \
- : "=r" (result), "=m" (*mem) \
- : "0" (value), "m" (*mem)); \
- else \
- __asm __volatile (LOCK_PREFIX "xaddq %q0, %1" \
- : "=r" (result), "=m" (*mem) \
- : "0" ((long) (value)), "m" (*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_PREFIX "addb %b1, %0" \
- : "=m" (*mem) \
- : "ir" (value), "m" (*mem)); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "addw %w1, %0" \
- : "=m" (*mem) \
- : "ir" (value), "m" (*mem)); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "addl %1, %0" \
- : "=m" (*mem) \
- : "ir" (value), "m" (*mem)); \
- else \
- __asm __volatile (LOCK_PREFIX "addq %q1, %0" \
- : "=m" (*mem) \
- : "ir" ((long) (value)), "m" (*mem)); \
- })
-
-
-#define atomic_add_negative(mem, value) \
- ({ unsigned char __result; \
- if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "addb %b2, %0; sets %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "ir" (value), "m" (*mem)); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "addw %w2, %0; sets %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "ir" (value), "m" (*mem)); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "addl %2, %0; sets %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "ir" (value), "m" (*mem)); \
- else \
- __asm __volatile (LOCK_PREFIX "addq %q2, %0; sets %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "ir" ((long) (value)), "m" (*mem)); \
- __result; })
-
-
-#define atomic_add_zero(mem, value) \
- ({ unsigned char __result; \
- if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "addb %b2, %0; setz %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "ir" (value), "m" (*mem)); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "addw %w2, %0; setz %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "ir" (value), "m" (*mem)); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "addl %2, %0; setz %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "ir" (value), "m" (*mem)); \
- else \
- __asm __volatile (LOCK_PREFIX "addq %q2, %0; setz %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "ir" ((long) (value)), "m" (*mem)); \
- __result; })
-
-
-#define atomic_increment(mem) \
- (void) ({ if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "incb %b0" \
- : "=m" (*mem) \
- : "m" (*mem)); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "incw %w0" \
- : "=m" (*mem) \
- : "m" (*mem)); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "incl %0" \
- : "=m" (*mem) \
- : "m" (*mem)); \
- else \
- __asm __volatile (LOCK_PREFIX "incq %q0" \
- : "=m" (*mem) \
- : "m" (*mem)); \
- })
-
-
-#define atomic_increment_and_test(mem) \
- ({ unsigned char __result; \
- if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "incb %b0; sete %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "m" (*mem)); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "incw %w0; sete %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "m" (*mem)); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "incl %0; sete %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "m" (*mem)); \
- else \
- __asm __volatile (LOCK_PREFIX "incq %q0; sete %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "m" (*mem)); \
- __result; })
-
-
-#define atomic_decrement(mem) \
- (void) ({ if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "decb %b0" \
- : "=m" (*mem) \
- : "m" (*mem)); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "decw %w0" \
- : "=m" (*mem) \
- : "m" (*mem)); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "decl %0" \
- : "=m" (*mem) \
- : "m" (*mem)); \
- else \
- __asm __volatile (LOCK_PREFIX "decq %q0" \
- : "=m" (*mem) \
- : "m" (*mem)); \
- })
-
-
-#define atomic_decrement_and_test(mem) \
- ({ unsigned char __result; \
- if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "decb %b0; sete %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "m" (*mem)); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "decw %w0; sete %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "m" (*mem)); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "decl %0; sete %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "m" (*mem)); \
- else \
- __asm __volatile (LOCK_PREFIX "decq %q0; sete %1" \
- : "=m" (*mem), "=qm" (__result) \
- : "m" (*mem)); \
- __result; })
-
-
-#define atomic_bit_set(mem, bit) \
- (void) ({ if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "orb %b2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "ir" (1L << (bit))); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "orw %w2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "ir" (1L << (bit))); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "orl %2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "ir" (1L << (bit))); \
- else if (__builtin_constant_p (bit) && (bit) < 32) \
- __asm __volatile (LOCK_PREFIX "orq %2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "i" (1L << (bit))); \
- else \
- __asm __volatile (LOCK_PREFIX "orq %q2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "r" (1UL << (bit))); \
- })
-
-
-#define atomic_bit_test_set(mem, bit) \
- ({ unsigned char __result; \
- if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "btsb %3, %1; setc %0" \
- : "=q" (__result), "=m" (*mem) \
- : "m" (*mem), "ir" (bit)); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "btsw %3, %1; setc %0" \
- : "=q" (__result), "=m" (*mem) \
- : "m" (*mem), "ir" (bit)); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "btsl %3, %1; setc %0" \
- : "=q" (__result), "=m" (*mem) \
- : "m" (*mem), "ir" (bit)); \
- else \
- __asm __volatile (LOCK_PREFIX "btsq %3, %1; setc %0" \
- : "=q" (__result), "=m" (*mem) \
- : "m" (*mem), "ir" (bit)); \
- __result; })
-
-
-#define atomic_delay() asm ("rep; nop")
+++ /dev/null
-/* Low-level statistical profiling support function. Linux/x86-64 version.
- Copyright (C) 2001, 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 <sigcontextinfo.h>
-
-static void
-profil_counter (int signo, 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 ("");
-}
OSDN Git Service
