X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Flinkage.h;h=56ba37394656c7f211eaebdadf5481eda844acca;hb=4309e092421e08f411830b2675bc1538a9b90e9b;hp=338f7795d8a071d63b05969505b6fe9894eafc46;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index 338f779..56ba373 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -1,9 +1,11 @@
 #ifndef _LINUX_LINKAGE_H
 #define _LINUX_LINKAGE_H
 
-#include <linux/config.h>
+#include <linux/compiler.h>
 #include <asm/linkage.h>
 
+#define notrace __attribute__((no_instrument_function))
+
 #ifdef __cplusplus
 #define CPP_ASMLINKAGE extern "C"
 #else
@@ -14,8 +16,31 @@
 #define asmlinkage CPP_ASMLINKAGE
 #endif
 
-#ifndef prevent_tail_call
-# define prevent_tail_call(ret) do { } while (0)
+#ifndef asmregparm
+# define asmregparm
+#endif
+
+#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
@@ -28,10 +53,41 @@
 #define ALIGN __ALIGN
 #define ALIGN_STR __ALIGN_STR
 
+#ifndef ENTRY
 #define ENTRY(name) \
   .globl name; \
   ALIGN; \
   name:
+#endif
+
+#ifndef WEAK
+#define WEAK(name)	   \
+	.weak name;	   \
+	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
+#endif
+
+/* If symbol 'name' is treated as a subroutine (gets called, and returns)
+ * then please use ENDPROC to mark 'name' as STT_FUNC for the benefit of
+ * static analysis tools such as stack depth analyzer.
+ */
+#ifndef ENDPROC
+#define ENDPROC(name) \
+  .type name, @function; \
+  END(name)
+#endif
 
 #endif
 
@@ -39,9 +95,4 @@
 #define ATTRIB_NORET  __attribute__((noreturn))
 #define NORET_AND     noreturn,
 
-#ifndef FASTCALL
-#define FASTCALL(x)	x
-#define fastcall
-#endif
-
 #endif