linux-stable/arch/arm64/kernel/probes
Masami Hiramatsu fc6d647638 arm64: kprobes: Make a frame pointer on __kretprobe_trampoline
Make a frame pointer (make the x29 register points the
address of pt_regs->regs[29]) on __kretprobe_trampoline.

This frame pointer will be used by the stacktracer when it is
called from the kretprobe handlers. In this case, the stack
tracer will unwind stack to trampoline_probe_handler() and
find the next frame pointer in the stack frame of the
__kretprobe_trampoline().

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2021-10-22 12:16:53 -04:00
..
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
decode-insn.c arm64: kprobe: clarify the comment of steppable hint instructions 2020-09-14 12:07:03 +01:00
decode-insn.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
kprobes.c arm64: kprobes: Record frame pointer with kretprobe instance 2021-10-22 12:16:53 -04:00
kprobes_trampoline.S arm64: kprobes: Make a frame pointer on __kretprobe_trampoline 2021-10-22 12:16:53 -04:00
simulate-insn.c arm64: Move aarch32 condition check functions 2021-05-27 17:38:07 +01:00
simulate-insn.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
uprobes.c arm64: sync_icache_aliases to take end parameter instead of size 2021-05-25 19:27:49 +01:00