message: lldb-server: LLGS: support 32-bit on 64-bit hosts
  Enable the ARM emulation support on AArch64 which can execute ARM32
  code. Similarly, handle MIPS 32 on 64.
diff: @@ -19,15 +19,14 @@ using HostObjectFile = ObjectFilePECOFF;
  using HostObjectFile = ObjectFileELF;
  #endif
  -#if defined(__arm__) || defined(__arm) || defined(_ARM) || defined(_M_ARM)
  -#define LLDB_TARGET_ARM
  -#include "Plugins/Instruction/ARM/EmulateInstructionARM.h"
  +#if defined(__arm64__) || defined(__aarch64__) || defined(_M_ARM64)
  +#define LLDB_TARGET_ARM64
  #endif
  -#if defined(__mips__) || defined(mips) || defined(__mips) || \
  - defined(__MIPS__) || defined(_M_MIPS)
  -#define LLDB_TARGET_MIPS
  -#include "Plugins/Instruction/MIPS/EmulateInstructionMIPS.h"
  +#if defined(__arm__) || defined(__arm) || defined(_ARM) || defined(_M_ARM) || \
  + defined(LLDB_TARGET_ARM64)
  +#define LLDB_TARGET_ARM
  +#include "Plugins/Instruction/ARM/EmulateInstructionARM.h"
  #endif
  #if defined(__mips64__) || defined(mips64) || defined(__mips64) || \
  @@ -36,6 +35,12 @@ using HostObjectFile = ObjectFileELF;
  #include "Plugins/Instruction/MIPS64/EmulateInstructionMIPS64.h"
  #endif
  +#if defined(__mips__) || defined(mips) || defined(__mips) || \
  + defined(__MIPS__) || defined(_M_MIPS) || defined(LLDB_TARGET_MIPS64)
  +#define LLDB_TARGET_MIPS
  +#include "Plugins/Instruction/MIPS/EmulateInstructionMIPS.h"
  +#endif
  +
  using namespace lldb_private;
  llvm::Error SystemInitializerLLGS::Initialize() {
  @@ -44,10 +49,10 @@ llvm::Error SystemInitializerLLGS::Initialize() {
  HostObjectFile::Initialize();
  -#if defined(LLDB_TARGET_ARM)
  +#if defined(LLDB_TARGET_ARM) || defined(LLDB_TARGET_ARM64)
  EmulateInstructionARM::Initialize();
  #endif
  -#if defined(LLDB_TARGET_MIPS)
  +#if defined(LLDB_TARGET_MIPS) || defined(LLDB_TARGET_MIPS64)
  EmulateInstructionMIPS::Initialize();
  #endif
  #if defined(LLDB_TARGET_MIPS64)
  @@ -60,10 +65,10 @@ llvm::Error SystemInitializerLLGS::Initialize() {
  void SystemInitializerLLGS::Terminate() {
  HostObjectFile::Terminate();
  -#if defined(LLDB_TARGET_ARM)
  +#if defined(LLDB_TARGET_ARM) || defined(LLDB_TARGET_ARM64)
  EmulateInstructionARM::Terminate();
  #endif
  -#if defined(LLDB_TARGET_MIPS)
  +#if defined(LLDB_TARGET_MIPS) || defined(LLDB_TARGET_MIPS64)
  EmulateInstructionMIPS::Terminate();
  #endif
  #if defined(LLDB_TARGET_MIPS64)
  