s390/exceptions: switch to relative exception table entries
This is the s390 port of 70627654 "x86, extable: Switch to relative
exception table entries".
Reduces the size of our exception tables by 50% on 64 bit builds.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/scripts/sortextable.c b/scripts/sortextable.c
index 6acf834..f19ddc4 100644
--- a/scripts/sortextable.c
+++ b/scripts/sortextable.c
@@ -161,7 +161,7 @@
#define SORTEXTABLE_64
#include "sortextable.h"
-static int compare_x86_table(const void *a, const void *b)
+static int compare_relative_table(const void *a, const void *b)
{
int32_t av = (int32_t)r(a);
int32_t bv = (int32_t)r(b);
@@ -173,7 +173,7 @@
return 0;
}
-static void sort_x86_table(char *extab_image, int image_size)
+static void sort_relative_table(char *extab_image, int image_size)
{
int i;
@@ -188,7 +188,7 @@
i += 4;
}
- qsort(extab_image, image_size / 8, 8, compare_x86_table);
+ qsort(extab_image, image_size / 8, 8, compare_relative_table);
/* Now denormalize. */
i = 0;
@@ -245,9 +245,9 @@
break;
case EM_386:
case EM_X86_64:
- custom_sort = sort_x86_table;
- break;
case EM_S390:
+ custom_sort = sort_relative_table;
+ break;
case EM_MIPS:
break;
} /* end switch */