futex and rlimit

kernel/include/lwk/compiler-gcc.h

@@ -0,0 +1,36 @@
+/* Never include this file directly.  Include <lwk/compiler.h> instead.  */
+
+/*
+ * Common definitions for all gcc versions go here.
+ */
+
+
+/* Optimization barrier */
+/* The "volatile" is due to gcc bugs
+ * NOTE: already defined in aal/manycore/generic/include/aal/cpu.h 
+ * #define barrier() __asm__ __volatile__("": : :"memory")
+ */
+
+/* This macro obfuscates arithmetic on a variable address so that gcc
+   shouldn't recognize the original var, and make assumptions about it */
+/*
+ * Versions of the ppc64 compiler before 4.1 had a bug where use of
+ * RELOC_HIDE could trash r30. The bug can be worked around by changing
+ * the inline assembly constraint from =g to =r, in this particular
+ * case either is valid.
+ */
+#define RELOC_HIDE(ptr, off)					\
+  ({ unsigned long __ptr;					\
+    __asm__ ("" : "=r"(__ptr) : "0"(ptr));			\
+    (typeof(ptr)) (__ptr + (off)); })
+
+
+#define inline		inline		__attribute__((always_inline))
+#define __inline__	__inline__	__attribute__((always_inline))
+#define __inline	__inline	__attribute__((always_inline))
+#define __deprecated			__attribute__((deprecated))
+#define  noinline			__attribute__((noinline))
+#define __attribute_pure__		__attribute__((pure))
+#define __attribute_const__		__attribute__((__const__))
+#define __weak                          __attribute__((weak))
+#define __noreturn			__attribute__((noreturn))