diff options
Diffstat (limited to 'nptl/sysdeps')
| -rw-r--r-- | nptl/sysdeps/i386/pthread_spin_lock.c | 15 | ||||
| -rw-r--r-- | nptl/sysdeps/i386/tls.h | 10 | ||||
| -rw-r--r-- | nptl/sysdeps/x86_64/tls.h | 12 |
3 files changed, 23 insertions, 14 deletions
diff --git a/nptl/sysdeps/i386/pthread_spin_lock.c b/nptl/sysdeps/i386/pthread_spin_lock.c index 43a1831131..f001fbacab 100644 --- a/nptl/sysdeps/i386/pthread_spin_lock.c +++ b/nptl/sysdeps/i386/pthread_spin_lock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002 Free Software Foundation, Inc. +/* 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. @@ -19,11 +19,12 @@ #include "pthreadP.h" - -#ifdef UP -# define LOCK -#else -# define LOCK "lock;" +#ifndef LOCK_PREFIX +# ifdef UP +# define LOCK_PREFIX /* nothing */ +# else +# define LOCK_PREFIX "lock;" +# endif #endif @@ -32,7 +33,7 @@ pthread_spin_lock (lock) pthread_spinlock_t *lock; { asm ("\n" - "1:\t" LOCK "decl %0\n\t" + "1:\t" LOCK_PREFIX "decl %0\n\t" "jne 2f\n\t" ".subsection 1\n\t" ".align 16\n" diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h index 4f2e8180d3..7ee2bcac19 100644 --- a/nptl/sysdeps/i386/tls.h +++ b/nptl/sysdeps/i386/tls.h @@ -169,11 +169,11 @@ union user_desc_init # define INIT_SYSINFO #endif -#ifndef LOCK +#ifndef LOCK_PREFIX # ifdef UP -# define LOCK /* nothing */ +# define LOCK_PREFIX /* nothing */ # else -# define LOCK "lock;" +# define LOCK_PREFIX "lock;" # endif #endif @@ -365,7 +365,7 @@ union user_desc_init ({ __typeof (descr->member) __ret; \ __typeof (oldval) __old = (oldval); \ if (sizeof (descr->member) == 4) \ - asm volatile (LOCK "cmpxchgl %2, %%gs:%P3" \ + asm volatile (LOCK_PREFIX "cmpxchgl %2, %%gs:%P3" \ : "=a" (__ret) \ : "0" (__old), "r" (newval), \ "i" (offsetof (struct pthread, member))); \ @@ -378,7 +378,7 @@ union user_desc_init /* Atomic set bit. */ #define THREAD_ATOMIC_BIT_SET(descr, member, bit) \ (void) ({ if (sizeof ((descr)->member) == 4) \ - asm volatile (LOCK "orl %1, %%gs:%P0" \ + asm volatile (LOCK_PREFIX "orl %1, %%gs:%P0" \ :: "i" (offsetof (struct pthread, member)), \ "ir" (1 << (bit))); \ else \ diff --git a/nptl/sysdeps/x86_64/tls.h b/nptl/sysdeps/x86_64/tls.h index 975d20f3fa..ab13f25431 100644 --- a/nptl/sysdeps/x86_64/tls.h +++ b/nptl/sysdeps/x86_64/tls.h @@ -67,6 +67,14 @@ typedef struct /* Get the thread descriptor definition. */ # include <nptl/descr.h> +#ifndef LOCK_PREFIX +# ifdef UP +# define LOCK_PREFIX /* nothing */ +# else +# define LOCK_PREFIX "lock;" +# endif +#endif + /* This is the size of the initial TCB. */ # define TLS_INIT_TCB_SIZE sizeof (tcbhead_t) @@ -267,7 +275,7 @@ typedef struct ({ __typeof (descr->member) __ret; \ __typeof (oldval) __old = (oldval); \ if (sizeof (descr->member) == 4) \ - asm volatile (LOCK "cmpxchgl %2, %%fs:%P3" \ + asm volatile (LOCK_PREFIX "cmpxchgl %2, %%fs:%P3" \ : "=a" (__ret) \ : "0" (__old), "r" (newval), \ "i" (offsetof (struct pthread, member))); \ @@ -280,7 +288,7 @@ typedef struct /* Atomic set bit. */ #define THREAD_ATOMIC_BIT_SET(descr, member, bit) \ (void) ({ if (sizeof ((descr)->member) == 4) \ - asm volatile (LOCK "orl %1, %%fs:%P0" \ + asm volatile (LOCK_PREFIX "orl %1, %%fs:%P0" \ :: "i" (offsetof (struct pthread, member)), \ "ir" (1 << (bit))); \ else \ |