[patch] 4.9.80-truncated-braddr.patch

4.9.80-truncated-braddr.patch (text/plain), 2.62 KB, created by Stephen Lewis on 2018-02-05 04:49:40 UTC

--- ./arch/alpha/lib/ev67-strcat.S.orig	2018-01-28 17:37:31.000000000 -0800
+++ ./arch/alpha/lib/ev67-strcat.S	2018-01-29 21:01:33.000000000 -0800
@@ -49,7 +49,7 @@
 	addq	$16, $3, $16	# E :
 	/* Now do the append.  */
 	mov	$26, $23	# E :
-	br	__stxcpy	# L0 :
+	jmp	$31, __stxcpy	# L0 :
 
 	.end strcat
 	EXPORT_SYMBOL(strcat)
--- ./arch/alpha/lib/ev67-strncat.S.orig	2018-01-29 21:47:37.000000000 -0800
+++ ./arch/alpha/lib/ev67-strncat.S	2018-01-29 21:47:52.000000000 -0800
@@ -54,7 +54,7 @@
 $found:	cttz	$2, $3		# U0 :
 	addq	$16, $3, $16	# E :
 	nop			# E :
-	bsr	$23, __stxncpy	# L0 :/* Now do the append.  */
+	jsr	$23, __stxncpy	# L0 :/* Now do the append.  */
 
 	/* Worry about the null termination.  */
 
--- ./arch/alpha/lib/strcat.S.orig	2018-01-30 13:33:10.000000000 -0800
+++ ./arch/alpha/lib/strcat.S	2018-01-30 13:33:28.000000000 -0800
@@ -48,7 +48,7 @@
 	/* Now do the append.  */
 
 	mov	$26, $23
-	br	__stxcpy
+	jmp	$31, __stxcpy
 
 	.end strcat
 EXPORT_SYMBOL(strcat);
--- ./arch/alpha/lib/strcpy.S.orig	2018-01-30 13:34:26.000000000 -0800
+++ ./arch/alpha/lib/strcpy.S	2018-01-30 13:35:09.000000000 -0800
@@ -18,7 +18,7 @@
 	mov	$16, $0		# set up return value
 	mov	$26, $23	# set up return address
 	unop
-	br	__stxcpy	# do the copy
+	jmp	$31, __stxcpy	# do the copy
 
 	.end strcpy
 	EXPORT_SYMBOL(strcpy)
--- ./arch/alpha/lib/strncpy.S.orig	2018-01-30 13:34:48.000000000 -0800
+++ ./arch/alpha/lib/strncpy.S	2018-01-30 13:37:10.000000000 -0800
@@ -8,7 +8,7 @@
  *
  * Or, rather, if the kernel cared about that weird ANSI quirk.  This
  * version has cropped that bit o' nastiness as well as assuming that
- * __stxncpy is in range of a branch.
+ * __stxncpy is in range of a branch. Sometimes it is not so use jump.
  */
 #include <asm/export.h>
 	.set noat
@@ -26,7 +26,7 @@
 	mov	$16, $0		# set return value now
 	beq	$18, $zerolen
 	unop
-	bsr	$23, __stxncpy	# do the work of the copy
+	jsr	$23, __stxncpy	# do the work of the copy
 
 	unop
 	bne	$18, $multiword	# do we have full words left?
--- ./arch/alpha/include/asm/uaccess.h.orig	2018-01-28 14:47:14.000000000 -0800
+++ ./arch/alpha/include/asm/uaccess.h	2018-01-30 13:27:43.000000000 -0800
@@ -344,13 +344,9 @@
 /* This little bit of silliness is to get the GP loaded for a function
    that ordinarily wouldn't.  Otherwise we could have it done by the macro
    directly, which can be optimized the linker.  */
-#ifdef MODULE
+
 #define __module_address(sym)		"r"(sym),
 #define __module_call(ra, arg, sym)	"jsr $" #ra ",(%" #arg ")," #sym
-#else
-#define __module_address(sym)
-#define __module_call(ra, arg, sym)	"bsr $" #ra "," #sym " !samegp"
-#endif
 
 extern void __copy_user(void);