From c1b0c847474cb0f806872bf9661d7c84902638b3 Mon Sep 17 00:00:00 2001
From: Kyle Evans <kevans@FreeBSD.org>
Date: Wed, 19 Feb 2020 14:55:59 +0000
Subject: [PATCH] kdump: decode shm_open2

This is the kdump counterpart of the truss support added in r358116, and
also a part of D23733. shm_open2 is the successor to shm_open.

Reviewed by:	kaktus
---
 usr.bin/kdump/kdump.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/usr.bin/kdump/kdump.c b/usr.bin/kdump/kdump.c
index 3c7e126bb33..3b597533359 100644
--- a/usr.bin/kdump/kdump.c
+++ b/usr.bin/kdump/kdump.c
@@ -1263,6 +1263,22 @@ ktrsyscall(struct ktr_syscall *ktr, u_int sv_flags)
 				narg -= 2;
 				break;
 #endif
+			case SYS_shm_open2:
+				if (ip[0] == (uintptr_t)SHM_ANON) {
+					printf("(SHM_ANON");
+					ip++;
+				} else {
+					print_number(ip, narg, c);
+				}
+				putchar(',');
+				print_mask_arg(sysdecode_open_flags, ip[0]);
+				putchar(',');
+				decode_filemode(ip[1]);
+				putchar(',');
+				print_mask_arg(sysdecode_shmflags, ip[2]);
+				ip += 3;
+				narg -= 3;
+				break;
 			case SYS_minherit:
 				print_number(ip, narg, c);
 				print_number(ip, narg, c);