patch-2.4.4 linux/include/asm-ia64/asmmacro.h

• Lines: 58
• Date: Thu Apr 5 12:51:47 2001
• Orig file: v2.4.3/linux/include/asm-ia64/asmmacro.h
• Orig date: Fri Aug 11 19:09:06 2000

diff -u --recursive --new-file v2.4.3/linux/include/asm-ia64/asmmacro.h linux/include/asm-ia64/asmmacro.h
@@ -2,26 +2,10 @@
 #define _ASM_IA64_ASMMACRO_H
 
 /*
- * Copyright (C) 2000 Hewlett-Packard Co
- * Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 2000-2001 Hewlett-Packard Co
+ * Copyright (C) 2000-2001 David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
-#if 1
-
-/*
- * This is a hack that's necessary as long as we support old versions
- * of gas, that have no unwind support.
- */
-#include <linux/config.h>
-
-#ifdef CONFIG_IA64_NEW_UNWIND
-# define UNW(args...)	args
-#else
-# define UNW(args...)
-#endif
-
-#endif
-
 #define ENTRY(name)				\
 	.align 32;				\
 	.proc name;				\
@@ -44,5 +28,28 @@
 #define ASM_UNW_PRLG_PSP		0x2
 #define ASM_UNW_PRLG_PR			0x1
 #define ASM_UNW_PRLG_GRSAVE(ninputs)	(32+(ninputs))
+
+/*
+ * Helper macros for accessing user memory.
+ */
+
+	.section "__ex_table", "a"		// declare section & section attributes
+	.previous
+
+#if __GNUC__ >= 3
+# define EX(y,x...)					\
+	.xdata4 "__ex_table", @gprel(99f), @gprel(y);	\
+  [99:]	x
+# define EXCLR(y,x...)					\
+	.xdata4 "__ex_table", @gprel(99f), @gprel(y)+4;	\
+  [99:]	x
+#else
+# define EX(y,x...)					\
+	.xdata4 "__ex_table", @gprel(99f), @gprel(y);	\
+  99:	x
+# define EXCLR(y,x...)					\
+	.xdata4 "__ex_table", @gprel(99f), @gprel(y)+4;	\
+  99:	x
+#endif
 
 #endif /* _ASM_IA64_ASMMACRO_H */