From 7930666df034d2368a1a20830a88c2d15b0a3127 Mon Sep 17 00:00:00 2001
From: zhaixiaojuan <zhaixiaojuan@loongson.cn>
Date: Thu, 9 Mar 2023 14:22:41 +0800
Subject: [PATCH] Update syscall to start loong64 support

---
 libcontainer/seccomp/config.go                | 1 +
 libcontainer/seccomp/patchbpf/enosys_linux.go | 8 ++++++++
 libcontainer/system/syscall_linux_64.go       | 4 ++--
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/libcontainer/seccomp/config.go b/libcontainer/seccomp/config.go
index 3ca03ed8a30..46b40ceb279 100644
--- a/libcontainer/seccomp/config.go
+++ b/libcontainer/seccomp/config.go
@@ -74,6 +74,7 @@ var archs = map[string]string{
 	"SCMP_ARCH_RISCV64":     "riscv64",
 	"SCMP_ARCH_S390":        "s390",
 	"SCMP_ARCH_S390X":       "s390x",
+    "SCMP_ARCH_LOONGARCH64": "loong64",
 }
 
 // KnownArchs returns the list of the known archs.
diff --git a/libcontainer/seccomp/patchbpf/enosys_linux.go b/libcontainer/seccomp/patchbpf/enosys_linux.go
index 7fc9fd662c3..a4e3279adb3 100644
--- a/libcontainer/seccomp/patchbpf/enosys_linux.go
+++ b/libcontainer/seccomp/patchbpf/enosys_linux.go
@@ -60,6 +60,13 @@ const uintptr_t C_FILTER_FLAG_NEW_LISTENER = SECCOMP_FILTER_FLAG_NEW_LISTENER;
 #define AUDIT_ARCH_RISCV64	(EM_RISCV|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
 #endif
 
+#ifndef AUDIT_ARCH_LOONGARCH64
+#ifndef EM_LOONGARCH
+#define EM_LOONGARCH        258
+#endif
+#define AUDIT_ARCH_LOONGARCH64  (EM_LOONGARCH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#endif
+
 // We use the AUDIT_ARCH_* values because those are the ones used by the kernel
 // and SCMP_ARCH_* sometimes has fake values (such as SCMP_ARCH_X32). But we
 // use <seccomp.h> so we get libseccomp's fallback definitions of AUDIT_ARCH_*.
@@ -80,6 +87,7 @@ const uint32_t C_AUDIT_ARCH_PPC64LE      = AUDIT_ARCH_PPC64LE;
 const uint32_t C_AUDIT_ARCH_S390         = AUDIT_ARCH_S390;
 const uint32_t C_AUDIT_ARCH_S390X        = AUDIT_ARCH_S390X;
 const uint32_t C_AUDIT_ARCH_RISCV64      = AUDIT_ARCH_RISCV64;
+const uint32_t C_AUDIT_ARCH_LOONGARCH64  = AUDIT_ARCH_LOONGARCH64;
 */
 import "C"
 
diff --git a/libcontainer/system/syscall_linux_64.go b/libcontainer/system/syscall_linux_64.go
index 1ed0dba1709..262450ad4cf 100644
--- a/libcontainer/system/syscall_linux_64.go
+++ b/libcontainer/system/syscall_linux_64.go
@@ -1,6 +1,6 @@
-//go:build linux && (arm64 || amd64 || mips || mipsle || mips64 || mips64le || ppc || ppc64 || ppc64le || riscv64 || s390x)
+//go:build linux && (arm64 || amd64 || loong64 || mips || mipsle || mips64 || mips64le || ppc || ppc64 || ppc64le || riscv64 || s390x)
 // +build linux
-// +build arm64 amd64 mips mipsle mips64 mips64le ppc ppc64 ppc64le riscv64 s390x
+// +build arm64 amd64 loong64 mips mipsle mips64 mips64le ppc ppc64 ppc64le riscv64 s390x
 
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