riscv: ptrace: add argn syntax
authorJeff Xie <chongguiguzi@gmail.com>
Sun, 20 Jun 2021 12:01:51 +0000 (20:01 +0800)
committerPalmer Dabbelt <palmerdabbelt@google.com>
Tue, 6 Jul 2021 03:53:09 +0000 (20:53 -0700)
commit70eee556b678d1e4cd4ea6742a577b596963fa25
tree0fcf027fb9694803f3054ee7906bcd4456f9109d
parent9eb4fcff220790f4afadf59160f2c696e99f0a84
riscv: ptrace: add argn syntax

This enables ftrace kprobe events to access kernel function
arguments via $argN syntax.

Signed-off-by: Jeff Xie <huan.xie@suse.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
arch/riscv/Kconfig
arch/riscv/include/asm/ptrace.h