diff options
Diffstat (limited to 'samples/ftrace/ftrace-direct-multi.c')
-rw-r--r-- | samples/ftrace/ftrace-direct-multi.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/samples/ftrace/ftrace-direct-multi.c b/samples/ftrace/ftrace-direct-multi.c index 5482cf616b43..b4391e08c913 100644 --- a/samples/ftrace/ftrace-direct-multi.c +++ b/samples/ftrace/ftrace-direct-multi.c @@ -4,7 +4,9 @@ #include <linux/mm.h> /* for handle_mm_fault() */ #include <linux/ftrace.h> #include <linux/sched/stat.h> +#ifndef CONFIG_ARM64 #include <asm/asm-offsets.h> +#endif extern void my_direct_func(unsigned long ip); @@ -66,6 +68,29 @@ asm ( #endif /* CONFIG_S390 */ +#ifdef CONFIG_ARM64 + +asm ( +" .pushsection .text, \"ax\", @progbits\n" +" .type my_tramp, @function\n" +" .globl my_tramp\n" +" my_tramp:" +" bti c\n" +" sub sp, sp, #32\n" +" stp x9, x30, [sp]\n" +" str x0, [sp, #16]\n" +" mov x0, x30\n" +" bl my_direct_func\n" +" ldp x30, x9, [sp]\n" +" ldr x0, [sp, #16]\n" +" add sp, sp, #32\n" +" ret x9\n" +" .size my_tramp, .-my_tramp\n" +" .popsection\n" +); + +#endif /* CONFIG_ARM64 */ + #ifdef CONFIG_LOONGARCH #include <asm/asm.h> |