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authorSandeepa Prabhu <sandeepa.s.prabhu@gmail.com>2016-07-08 12:35:54 -0400
committerCatalin Marinas <catalin.marinas@arm.com>2016-07-19 15:03:23 +0100
commitaf78cede8bfc772baf424fc03f7cd3c8f9437733 (patch)
tree86483a2834f8f64e4b17d2ed5295bd0e22909106 /samples
parentfcfd708b8cf86b8c1ca6ce014d50287f61c0eb88 (diff)
downloadlinux-stericsson-af78cede8bfc772baf424fc03f7cd3c8f9437733.tar.gz
kprobes: Add arm64 case in kprobe example module
Add info prints in sample kprobe handlers for ARM64 Signed-off-by: Sandeepa Prabhu <sandeepa.s.prabhu@gmail.com> Signed-off-by: David A. Long <dave.long@linaro.org> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'samples')
-rw-r--r--samples/kprobes/kprobe_example.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index ed0ca0c07242..f3b61b4ee09c 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -46,6 +46,11 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs)
" ex1 = 0x%lx\n",
p->symbol_name, p->addr, regs->pc, regs->ex1);
#endif
+#ifdef CONFIG_ARM64
+ pr_info("<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx,"
+ " pstate = 0x%lx\n",
+ p->symbol_name, p->addr, (long)regs->pc, (long)regs->pstate);
+#endif
/* A dump_stack() here will give a stack backtrace */
return 0;
@@ -71,6 +76,10 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs,
printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, ex1 = 0x%lx\n",
p->symbol_name, p->addr, regs->ex1);
#endif
+#ifdef CONFIG_ARM64
+ pr_info("<%s> post_handler: p->addr = 0x%p, pstate = 0x%lx\n",
+ p->symbol_name, p->addr, (long)regs->pstate);
+#endif
}
/*