golang: add LOONG64 support

[v2: remove the tautological "arch" from the arch name]

Signed-off-by: Kir Kolyshkin <[email protected]>

seccomp.go

@@ -176,6 +176,8 @@ const (
  ArchPARISC64
  // ArchRISCV64 represents RISCV64
  ArchRISCV64
+ // ArchLOONG64 represents 64-bit LoongArch.
+ ArchLOONG64
 )
 
 const (
@@ -307,6 +309,8 @@ func GetArchFromString(arch string) (ScmpArch, error) {
  return ArchPARISC64, nil
  case "riscv64":
  return ArchRISCV64, nil
+ case "loong64", "loongarch64":
+ return ArchLOONG64, nil
  default:
  return ArchInvalid, fmt.Errorf("cannot convert unrecognized string %q", arch)
  }
@@ -353,6 +357,8 @@ func (a ScmpArch) String() string {
  return "parisc64"
  case ArchRISCV64:
  return "riscv64"
+ case ArchLOONG64:
+ return "loong64"
  case ArchNative:
  return "native"
  case ArchInvalid:

seccomp_internal.go

@@ -68,6 +68,10 @@ const uint32_t C_ARCH_BAD = ARCH_BAD;
 #define SCMP_ARCH_RISCV64 ARCH_BAD
 #endif
 
+#ifndef SCMP_ARCH_LOONGARCH64
+#define SCMP_ARCH_LOONGARCH64 ARCH_BAD
+#endif
+
 const uint32_t C_ARCH_NATIVE = SCMP_ARCH_NATIVE;
 const uint32_t C_ARCH_X86 = SCMP_ARCH_X86;
 const uint32_t C_ARCH_X86_64 = SCMP_ARCH_X86_64;
@@ -88,6 +92,7 @@ const uint32_t C_ARCH_S390X = SCMP_ARCH_S390X;
 const uint32_t C_ARCH_PARISC = SCMP_ARCH_PARISC;
 const uint32_t C_ARCH_PARISC64 = SCMP_ARCH_PARISC64;
 const uint32_t C_ARCH_RISCV64 = SCMP_ARCH_RISCV64;
+const uint32_t C_ARCH_LOONGARCH64 = SCMP_ARCH_LOONGARCH64;
 
 #ifndef SCMP_ACT_LOG
 #define SCMP_ACT_LOG 0x7ffc0000U
@@ -270,7 +275,7 @@ const (
  scmpError C.int = -1
  // Comparison boundaries to check for architecture validity
  archStart ScmpArch = ArchNative
- archEnd ScmpArch = ArchRISCV64
+ archEnd ScmpArch = ArchLOONG64
  // Comparison boundaries to check for action validity
  actionStart ScmpAction = ActKillThread
  actionEnd ScmpAction = ActKillProcess
@@ -531,6 +536,8 @@ func archFromNative(a C.uint32_t) (ScmpArch, error) {
  return ArchPARISC64, nil
  case C.C_ARCH_RISCV64:
  return ArchRISCV64, nil
+ case C.C_ARCH_LOONGARCH64:
+ return ArchLOONG64, nil
  default:
  return 0x0, fmt.Errorf("unrecognized architecture %#x", uint32(a))
  }