arm64: rethook: Add arm64 rethook implementation

Add rethook arm64 implementation. Most of the code has been copied from
kretprobes on arm64.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Tested-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/164735287344.1084943.9787335632585653418.stgit@devnote2
This commit is contained in:
Masami Hiramatsu 2022-03-15 23:01:13 +09:00 • committed by Alexei Starovoitov
commit 83acdce689
6 changed files with 121 additions and 2 deletions