Add PTRACE_GET_SYSCALL_INFO from Linux 5.3 to sys/ptrace.h

[Dmitry V. Levin]

On Mon, Oct 14, 2019 at 09:49:22PM +0000, Joseph Myers wrote:
> Linux 5.3 adds a PTRACE_GET_SYSCALL_INFO constant, with an associated
> structure and PTRACE_SYSCALL_INFO_* constants.
> 
> This patch adds these to sys/ptrace.h in glibc
> (PTRACE_GET_SYSCALL_INFO in each architecture version, the rest in
> bits/ptrace-shared.h).  As with previous such constants and associated
> structures, the glibc version of the structure is named struct
> __ptrace_syscall_info.
> 
> Tested for x86_64, and with build-many-glibcs.py.

This is obviously correct, with one exception: on those architectures
where we do #undef PTRACE_GET_SYSCALL_INFO, we have to #undef
PTRACE_SYSCALL_INFO_* as well.

Besides that,
Reviewed-by: Dmitry V. Levin <ldv@altlinux.org>


-- 
ldv
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