[PATCH v8 10/12] entry: Add arch_ptrace_report_syscall_entry/exit()

[Kevin Brodsky]

On 26/11/2025 08:14, Jinjie Ruan wrote:
> Differ from generic entry, due to historical reasons, ARM64 need to
> save/restore during syscall entry/exit because ARM64 use a scratch
> register (ip(r12) on AArch32, x7 on AArch64) to denote syscall entry/exit.
>
> In preparation for moving arm64 over to the generic entry code,
> add arch_ptrace_report_syscall_entry/exit() as the default
> ptrace_report_syscall_entry/exit() implementation. This allows
> arm64 to implement the architecture specific version.
>
> This allows arm64 to implement the architecture specific version.
>
> Suggested-by: Mark Rutland <mark.rutland at arm.com>
> Suggested-by: Thomas Gleixner <tglx at linutronix.de>
> Signed-off-by: Jinjie Ruan <ruanjinjie at huawei.com>

Reviewed-by: Kevin Brodsky <kevin.brodsky at arm.com>