diff options
Diffstat (limited to 'sys/conf/makegap.sh')
| -rw-r--r-- | sys/conf/makegap.sh | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sys/conf/makegap.sh b/sys/conf/makegap.sh new file mode 100644 index 00000000000..49a56e1c7e8 --- /dev/null +++ b/sys/conf/makegap.sh @@ -0,0 +1,32 @@ +#!/bin/sh - + +PADBYTE=$1 + +cat << __EOF__ +#include <machine/asm.h> +#include <machine/param.h> + + .text + .align PAGE_SIZE, $PADBYTE + .space $RANDOM, $PADBYTE + .align PAGE_SIZE, $PADBYTE + + .globl endboot +_C_LABEL(endboot): + .space PAGE_SIZE, $PADBYTE + .space $RANDOM % PAGE_SIZE, $PADBYTE + .align 16, $PADBYTE + + /* + * Randomly bias future data, bss, and rodata objects, + * does not help for objects in locore.S though + */ + .data + .space $RANDOM % PAGE_SIZE, $PADBYTE + + .bss + .space $RANDOM % PAGE_SIZE, $PADBYTE + + .section .rodata + .space $RANDOM % PAGE_SIZE, $PADBYTE +__EOF__ |