Files
linux-kernel-module-cheat/userland/arch/arm/inc_array.S
Ciro Santilli 六四事件 法轮功 72200dee4e userland: scope every header identifier with lkmc_
2019-05-21 00:00:01 +00:00

28 lines
586 B
ArmAsm

/* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-loop-instruction-over-array */
#include "common.h"
#define NELEM 4
#define ELEM_SIZE 4
.data;
my_array:
.word 0x11111111, 0x22222222, 0x33333333, 0x44444444
my_array_expect:
.word 0x11111112, 0x22222223, 0x33333334, 0x44444445
LKMC_ENTRY
/* Increment. */
ldr r0, =my_array
mov r1, NELEM
increment:
ldr r2, [r0]
add r2, 1
/* Post index usage. */
str r2, [r0], ELEM_SIZE
sub r1, 1
cmp r1, 0
bne increment
LKMC_ASSERT_MEMCMP(my_array, my_array_expect, 0x10)
LKMC_EXIT