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From: Dandan Zhang <zhangdandan@loongson.cn>
Date: Sun, 14 Sep 2025 16:54:19 -0400
Subject: Update loongarch64 support
Bug-Debian: https://bugs.debian.org/1095452
Forwarded: not needed
---
libcontainer/seccomp/config.go | 1 +
libcontainer/seccomp/patchbpf/enosys_linux.go | 10 ++++++++++
2 files changed, 11 insertions(+)
diff --git a/libcontainer/seccomp/config.go b/libcontainer/seccomp/config.go
index 3ca03ed..5c92169 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 86de313..1857bb1 100644
--- a/libcontainer/seccomp/patchbpf/enosys_linux.go
+++ b/libcontainer/seccomp/patchbpf/enosys_linux.go
@@ -58,6 +58,13 @@ 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_*.
@@ -78,6 +85,7 @@ 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"
@@ -217,6 +225,8 @@ func scmpArchToAuditArch(arch libseccomp.ScmpArch) (linuxAuditArch, error) {
return linuxAuditArch(C.C_AUDIT_ARCH_S390X), nil
case libseccomp.ArchRISCV64:
return linuxAuditArch(C.C_AUDIT_ARCH_RISCV64), nil
+ case libseccomp.ArchLOONGARCH64:
+ return linuxAuditArch(C.C_AUDIT_ARCH_LOONGARCH64), nil
default:
return invalidArch, fmt.Errorf("unknown architecture: %v", arch)
}
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