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nss/SOURCES/nspr-gcc-atomics.patch

78 lines
3.0 KiB

diff --git a/pr/include/md/_linux.h b/pr/include/md/_linux.h
--- a/pr/include/md/_linux.h
+++ b/pr/include/md/_linux.h
@@ -82,53 +82,73 @@
#define NO_DLOPEN_NULL
#endif
#if defined(__FreeBSD_kernel__) || defined(__GNU__)
#define _PR_HAVE_SOCKADDR_LEN
#endif
#if defined(__i386__)
+#if defined(__GNUC__)
+/* Use GCC built-in functions */
+#define _PR_HAVE_ATOMIC_OPS
+#define _MD_INIT_ATOMIC()
+#define _MD_ATOMIC_INCREMENT(ptr) __sync_add_and_fetch(ptr, 1)
+#define _MD_ATOMIC_DECREMENT(ptr) __sync_sub_and_fetch(ptr, 1)
+#define _MD_ATOMIC_ADD(ptr, i) __sync_add_and_fetch(ptr, i)
+#define _MD_ATOMIC_SET(ptr, nv) __sync_lock_test_and_set(ptr, nv)
+#else
#define _PR_HAVE_ATOMIC_OPS
#define _MD_INIT_ATOMIC()
extern PRInt32 _PR_x86_AtomicIncrement(PRInt32 *val);
#define _MD_ATOMIC_INCREMENT _PR_x86_AtomicIncrement
extern PRInt32 _PR_x86_AtomicDecrement(PRInt32 *val);
#define _MD_ATOMIC_DECREMENT _PR_x86_AtomicDecrement
extern PRInt32 _PR_x86_AtomicAdd(PRInt32 *ptr, PRInt32 val);
#define _MD_ATOMIC_ADD _PR_x86_AtomicAdd
extern PRInt32 _PR_x86_AtomicSet(PRInt32 *val, PRInt32 newval);
#define _MD_ATOMIC_SET _PR_x86_AtomicSet
#endif
+#endif
#if defined(__ia64__)
#define _PR_HAVE_ATOMIC_OPS
#define _MD_INIT_ATOMIC()
extern PRInt32 _PR_ia64_AtomicIncrement(PRInt32 *val);
#define _MD_ATOMIC_INCREMENT _PR_ia64_AtomicIncrement
extern PRInt32 _PR_ia64_AtomicDecrement(PRInt32 *val);
#define _MD_ATOMIC_DECREMENT _PR_ia64_AtomicDecrement
extern PRInt32 _PR_ia64_AtomicAdd(PRInt32 *ptr, PRInt32 val);
#define _MD_ATOMIC_ADD _PR_ia64_AtomicAdd
extern PRInt32 _PR_ia64_AtomicSet(PRInt32 *val, PRInt32 newval);
#define _MD_ATOMIC_SET _PR_ia64_AtomicSet
#endif
#if defined(__x86_64__)
+#if defined(__GNUC__)
+/* Use GCC built-in functions */
+#define _PR_HAVE_ATOMIC_OPS
+#define _MD_INIT_ATOMIC()
+#define _MD_ATOMIC_INCREMENT(ptr) __sync_add_and_fetch(ptr, 1)
+#define _MD_ATOMIC_DECREMENT(ptr) __sync_sub_and_fetch(ptr, 1)
+#define _MD_ATOMIC_ADD(ptr, i) __sync_add_and_fetch(ptr, i)
+#define _MD_ATOMIC_SET(ptr, nv) __sync_lock_test_and_set(ptr, nv)
+#else
#define _PR_HAVE_ATOMIC_OPS
#define _MD_INIT_ATOMIC()
extern PRInt32 _PR_x86_64_AtomicIncrement(PRInt32 *val);
#define _MD_ATOMIC_INCREMENT _PR_x86_64_AtomicIncrement
extern PRInt32 _PR_x86_64_AtomicDecrement(PRInt32 *val);
#define _MD_ATOMIC_DECREMENT _PR_x86_64_AtomicDecrement
extern PRInt32 _PR_x86_64_AtomicAdd(PRInt32 *ptr, PRInt32 val);
#define _MD_ATOMIC_ADD _PR_x86_64_AtomicAdd
extern PRInt32 _PR_x86_64_AtomicSet(PRInt32 *val, PRInt32 newval);
#define _MD_ATOMIC_SET _PR_x86_64_AtomicSet
#endif
+#endif
#if defined(__or1k__)
#if defined(__GNUC__)
/* Use GCC built-in functions */
#define _PR_HAVE_ATOMIC_OPS
#define _MD_INIT_ATOMIC()
#define _MD_ATOMIC_INCREMENT(ptr) __sync_add_and_fetch(ptr, 1)
#define _MD_ATOMIC_DECREMENT(ptr) __sync_sub_and_fetch(ptr, 1)