#ifndef _LINUX_LINKAGE_H
#define _LINUX_LINKAGE_H
+#include <linux/compiler.h>
#include <asm/linkage.h>
#ifdef __cplusplus
# define asmregparm
#endif
-#ifndef prevent_tail_call
-# define prevent_tail_call(ret) do { } while (0)
+#define __page_aligned_data __section(.data.page_aligned) __aligned(PAGE_SIZE)
+#define __page_aligned_bss __section(.bss.page_aligned) __aligned(PAGE_SIZE)
+
+/*
+ * This is used by architectures to keep arguments on the stack
+ * untouched by the compiler by keeping them live until the end.
+ * The argument stack may be owned by the assembly-language
+ * caller, not the callee, and gcc doesn't always understand
+ * that.
+ *
+ * We have the return value, and a maximum of six arguments.
+ *
+ * This should always be followed by a "return ret" for the
+ * protection to work (ie no more work that the compiler might
+ * end up needing stack temporaries for).
+ */
+/* Assembly files may be compiled with -traditional .. */
+#ifndef __ASSEMBLY__
+#ifndef asmlinkage_protect
+# define asmlinkage_protect(n, ret, args...) do { } while (0)
+#endif
#endif
#ifndef __ALIGN
name:
#endif
-#define KPROBE_ENTRY(name) \
- .pushsection .kprobes.text, "ax"; \
- ENTRY(name)
-
-#define KPROBE_END(name) \
- END(name); \
- .popsection
-
#ifndef END
#define END(name) \
.size name, .-name
#define ATTRIB_NORET __attribute__((noreturn))
#define NORET_AND noreturn,
-#ifndef FASTCALL
-#define FASTCALL(x) x
-#define fastcall
-#endif
-
#endif