From bdb5454065f74b0f6b5ddd8ee39f83d6303c97bb Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <nsz@port70.net>
Date: Wed, 7 Jul 2021 17:46:31 +0000
Subject: [PATCH] sys/ptrace.h: add PTRACE_GET_RSEQ_CONFIGURATION from linux
 v5.13

see

  linux commit 90f093fa8ea48e5d991332cee160b761423d55c1
  rseq, ptrace: Add PTRACE_GET_RSEQ_CONFIGURATION request

the struct type got __ prefix to follow existing practice.
---
 include/sys/ptrace.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/sys/ptrace.h b/include/sys/ptrace.h
index 5d62a985..c72e3c06 100644
--- a/include/sys/ptrace.h
+++ b/include/sys/ptrace.h
@@ -42,6 +42,7 @@ extern "C" {
 #define PTRACE_SECCOMP_GET_FILTER 0x420c
 #define PTRACE_SECCOMP_GET_METADATA 0x420d
 #define PTRACE_GET_SYSCALL_INFO 0x420e
+#define PTRACE_GET_RSEQ_CONFIGURATION	0x420f
 
 #define PT_READ_I PTRACE_PEEKTEXT
 #define PT_READ_D PTRACE_PEEKDATA
@@ -130,6 +131,14 @@ struct __ptrace_syscall_info {
 	};
 };
 
+struct __ptrace_rseq_configuration {
+	uint64_t rseq_abi_pointer;
+	uint32_t rseq_abi_size;
+	uint32_t signature;
+	uint32_t flags;
+	uint32_t pad;
+};
+
 long ptrace(int, ...);
 
 #ifdef __cplusplus