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-rw-r--r--include/cutils/atomic-arm.h82
1 files changed, 47 insertions, 35 deletions
diff --git a/include/cutils/atomic-arm.h b/include/cutils/atomic-arm.h
index 16fe512..795afd3 100644
--- a/include/cutils/atomic-arm.h
+++ b/include/cutils/atomic-arm.h
@@ -20,72 +20,78 @@
#include <stdint.h>
#include <machine/cpu-features.h>
-extern inline void android_compiler_barrier(void)
+#ifndef ANDROID_ATOMIC_INLINE
+#define ANDROID_ATOMIC_INLINE inline __attribute__((always_inline))
+#endif
+
+extern ANDROID_ATOMIC_INLINE void android_compiler_barrier(void)
{
__asm__ __volatile__ ("" : : : "memory");
}
#if ANDROID_SMP == 0
-extern inline void android_memory_barrier(void)
+extern ANDROID_ATOMIC_INLINE void android_memory_barrier(void)
{
android_compiler_barrier();
}
-extern inline void android_memory_store_barrier(void)
+extern ANDROID_ATOMIC_INLINE void android_memory_store_barrier(void)
{
android_compiler_barrier();
}
#elif defined(__ARM_HAVE_DMB)
-extern inline void android_memory_barrier(void)
+extern ANDROID_ATOMIC_INLINE void android_memory_barrier(void)
{
__asm__ __volatile__ ("dmb" : : : "memory");
}
-extern inline void android_memory_store_barrier(void)
+extern ANDROID_ATOMIC_INLINE void android_memory_store_barrier(void)
{
__asm__ __volatile__ ("dmb st" : : : "memory");
}
#elif defined(__ARM_HAVE_LDREX_STREX)
-extern inline void android_memory_barrier(void)
+extern ANDROID_ATOMIC_INLINE void android_memory_barrier(void)
{
__asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory");
}
-extern inline void android_memory_store_barrier(void)
+extern ANDROID_ATOMIC_INLINE void android_memory_store_barrier(void)
{
android_memory_barrier();
}
#else
-extern inline void android_memory_barrier(void)
+extern ANDROID_ATOMIC_INLINE void android_memory_barrier(void)
{
typedef void (kuser_memory_barrier)(void);
(*(kuser_memory_barrier *)0xffff0fa0)();
}
-extern inline void android_memory_store_barrier(void)
+extern ANDROID_ATOMIC_INLINE void android_memory_store_barrier(void)
{
android_memory_barrier();
}
#endif
-extern inline int32_t android_atomic_acquire_load(volatile const int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE
+int32_t android_atomic_acquire_load(volatile const int32_t *ptr)
{
int32_t value = *ptr;
android_memory_barrier();
return value;
}
-extern inline int32_t android_atomic_release_load(volatile const int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE
+int32_t android_atomic_release_load(volatile const int32_t *ptr)
{
android_memory_barrier();
return *ptr;
}
-extern inline void android_atomic_acquire_store(int32_t value,
- volatile int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE void
+android_atomic_acquire_store(int32_t value, volatile int32_t *ptr)
{
*ptr = value;
android_memory_barrier();
}
-extern inline void android_atomic_release_store(int32_t value,
- volatile int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE void
+android_atomic_release_store(int32_t value, volatile int32_t *ptr)
{
android_memory_barrier();
*ptr = value;
@@ -95,8 +101,8 @@ extern inline void android_atomic_release_store(int32_t value,
extern int android_atomic_cas(int32_t old_value, int32_t new_value,
volatile int32_t *ptr);
#elif defined(__ARM_HAVE_LDREX_STREX)
-extern inline int android_atomic_cas(int32_t old_value, int32_t new_value,
- volatile int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE int
+android_atomic_cas(int32_t old_value, int32_t new_value, volatile int32_t *ptr)
{
int32_t prev, status;
do {
@@ -111,8 +117,8 @@ extern inline int android_atomic_cas(int32_t old_value, int32_t new_value,
return prev != old_value;
}
#else
-extern inline int android_atomic_cas(int32_t old_value, int32_t new_value,
- volatile int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE int
+android_atomic_cas(int32_t old_value, int32_t new_value, volatile int32_t *ptr)
{
typedef int (kuser_cmpxchg)(int32_t, int32_t, volatile int32_t *);
int32_t prev, status;
@@ -127,18 +133,20 @@ extern inline int android_atomic_cas(int32_t old_value, int32_t new_value,
}
#endif
-extern inline int android_atomic_acquire_cas(int32_t old_value,
- int32_t new_value,
- volatile int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE int
+android_atomic_acquire_cas(int32_t old_value,
+ int32_t new_value,
+ volatile int32_t *ptr)
{
int status = android_atomic_cas(old_value, new_value, ptr);
android_memory_barrier();
return status;
}
-extern inline int android_atomic_release_cas(int32_t old_value,
- int32_t new_value,
- volatile int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE int
+android_atomic_release_cas(int32_t old_value,
+ int32_t new_value,
+ volatile int32_t *ptr)
{
android_memory_barrier();
return android_atomic_cas(old_value, new_value, ptr);
@@ -149,8 +157,8 @@ extern inline int android_atomic_release_cas(int32_t old_value,
extern int32_t android_atomic_add(int32_t increment,
volatile int32_t *ptr);
#elif defined(__ARM_HAVE_LDREX_STREX)
-extern inline int32_t android_atomic_add(int32_t increment,
- volatile int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE int32_t
+android_atomic_add(int32_t increment, volatile int32_t *ptr)
{
int32_t prev, tmp, status;
android_memory_barrier();
@@ -166,8 +174,8 @@ extern inline int32_t android_atomic_add(int32_t increment,
return prev;
}
#else
-extern inline int32_t android_atomic_add(int32_t increment,
- volatile int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE int32_t
+android_atomic_add(int32_t increment, volatile int32_t *ptr)
{
int32_t prev, status;
android_memory_barrier();
@@ -179,12 +187,12 @@ extern inline int32_t android_atomic_add(int32_t increment,
}
#endif
-extern inline int32_t android_atomic_inc(volatile int32_t *addr)
+extern ANDROID_ATOMIC_INLINE int32_t android_atomic_inc(volatile int32_t *addr)
{
return android_atomic_add(1, addr);
}
-extern inline int32_t android_atomic_dec(volatile int32_t *addr)
+extern ANDROID_ATOMIC_INLINE int32_t android_atomic_dec(volatile int32_t *addr)
{
return android_atomic_add(-1, addr);
}
@@ -192,7 +200,8 @@ extern inline int32_t android_atomic_dec(volatile int32_t *addr)
#if defined(__thumb__)
extern int32_t android_atomic_and(int32_t value, volatile int32_t *ptr);
#elif defined(__ARM_HAVE_LDREX_STREX)
-extern inline int32_t android_atomic_and(int32_t value, volatile int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE int32_t
+android_atomic_and(int32_t value, volatile int32_t *ptr)
{
int32_t prev, tmp, status;
android_memory_barrier();
@@ -208,7 +217,8 @@ extern inline int32_t android_atomic_and(int32_t value, volatile int32_t *ptr)
return prev;
}
#else
-extern inline int32_t android_atomic_and(int32_t value, volatile int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE int32_t
+android_atomic_and(int32_t value, volatile int32_t *ptr)
{
int32_t prev, status;
android_memory_barrier();
@@ -223,7 +233,8 @@ extern inline int32_t android_atomic_and(int32_t value, volatile int32_t *ptr)
#if defined(__thumb__)
extern int32_t android_atomic_or(int32_t value, volatile int32_t *ptr);
#elif defined(__ARM_HAVE_LDREX_STREX)
-extern inline int32_t android_atomic_or(int32_t value, volatile int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE int32_t
+android_atomic_or(int32_t value, volatile int32_t *ptr)
{
int32_t prev, tmp, status;
android_memory_barrier();
@@ -239,7 +250,8 @@ extern inline int32_t android_atomic_or(int32_t value, volatile int32_t *ptr)
return prev;
}
#else
-extern inline int32_t android_atomic_or(int32_t value, volatile int32_t *ptr)
+extern ANDROID_ATOMIC_INLINE int32_t
+android_atomic_or(int32_t value, volatile int32_t *ptr)
{
int32_t prev, status;
android_memory_barrier();
generated by cgit v1.1 at 2025-08-15 22:52:31 +0000