Index: libunwind/trunk/include/__libunwind_config.h
===================================================================
--- libunwind/trunk/include/__libunwind_config.h
+++ libunwind/trunk/include/__libunwind_config.h
@@ -76,7 +76,7 @@
 #    define _LIBUNWIND_CONTEXT_SIZE 18
 #    define _LIBUNWIND_CURSOR_SIZE 24
 #  elif defined(_ABI64) && defined(__mips_soft_float)
-#    define _LIBUNWIND_TARGET_MIPS_N64 1
+#    define _LIBUNWIND_TARGET_MIPS_NEWABI 1
 #    define _LIBUNWIND_CONTEXT_SIZE 35
 #    define _LIBUNWIND_CURSOR_SIZE 47
 #  else
@@ -95,7 +95,7 @@
 # define _LIBUNWIND_TARGET_ARM 1
 # define _LIBUNWIND_TARGET_OR1K 1
 # define _LIBUNWIND_TARGET_MIPS_O32 1
-# define _LIBUNWIND_TARGET_MIPS_N64 1
+# define _LIBUNWIND_TARGET_MIPS_NEWABI 1
 # define _LIBUNWIND_CONTEXT_SIZE 136
 # define _LIBUNWIND_CURSOR_SIZE 148
 # define _LIBUNWIND_HIGHEST_DWARF_REGISTER 287
Index: libunwind/trunk/src/Registers.hpp
===================================================================
--- libunwind/trunk/src/Registers.hpp
+++ libunwind/trunk/src/Registers.hpp
@@ -2825,13 +2825,13 @@
 }
 #endif // _LIBUNWIND_TARGET_MIPS_O32
 
-#if defined(_LIBUNWIND_TARGET_MIPS_N64)
-/// Registers_mips_n64 holds the register state of a thread in a 64-bit MIPS
-/// process.
-class _LIBUNWIND_HIDDEN Registers_mips_n64 {
+#if defined(_LIBUNWIND_TARGET_MIPS_NEWABI)
+/// Registers_mips_newabi holds the register state of a thread in a
+/// MIPS process using NEWABI (the N32 or N64 ABIs).
+class _LIBUNWIND_HIDDEN Registers_mips_newabi {
 public:
-  Registers_mips_n64();
-  Registers_mips_n64(const void *registers);
+  Registers_mips_newabi();
+  Registers_mips_newabi(const void *registers);
 
   bool        validRegister(int num) const;
   uint64_t    getRegister(int num) const;
@@ -2852,28 +2852,28 @@
   void      setIP(uint64_t value) { _registers.__pc = value; }
 
 private:
-  struct mips_n64_thread_state_t {
+  struct mips_newabi_thread_state_t {
     uint64_t __r[32];
     uint64_t __pc;
     uint64_t __hi;
     uint64_t __lo;
   };
 
-  mips_n64_thread_state_t _registers;
+  mips_newabi_thread_state_t _registers;
 };
 
-inline Registers_mips_n64::Registers_mips_n64(const void *registers) {
-  static_assert((check_fit<Registers_mips_n64, unw_context_t>::does_fit),
-                "mips_n64 registers do not fit into unw_context_t");
+inline Registers_mips_newabi::Registers_mips_newabi(const void *registers) {
+  static_assert((check_fit<Registers_mips_newabi, unw_context_t>::does_fit),
+                "mips_newabi registers do not fit into unw_context_t");
   memcpy(&_registers, static_cast<const uint8_t *>(registers),
          sizeof(_registers));
 }
 
-inline Registers_mips_n64::Registers_mips_n64() {
+inline Registers_mips_newabi::Registers_mips_newabi() {
   memset(&_registers, 0, sizeof(_registers));
 }
 
-inline bool Registers_mips_n64::validRegister(int regNum) const {
+inline bool Registers_mips_newabi::validRegister(int regNum) const {
   if (regNum == UNW_REG_IP)
     return true;
   if (regNum == UNW_REG_SP)
@@ -2890,7 +2890,7 @@
   return false;
 }
 
-inline uint64_t Registers_mips_n64::getRegister(int regNum) const {
+inline uint64_t Registers_mips_newabi::getRegister(int regNum) const {
   if (regNum >= UNW_MIPS_R0 && regNum <= UNW_MIPS_R31)
     return _registers.__r[regNum - UNW_MIPS_R0];
 
@@ -2904,10 +2904,10 @@
   case UNW_MIPS_LO:
     return _registers.__lo;
   }
-  _LIBUNWIND_ABORT("unsupported mips_n64 register");
+  _LIBUNWIND_ABORT("unsupported mips_newabi register");
 }
 
-inline void Registers_mips_n64::setRegister(int regNum, uint64_t value) {
+inline void Registers_mips_newabi::setRegister(int regNum, uint64_t value) {
   if (regNum >= UNW_MIPS_R0 && regNum <= UNW_MIPS_R31) {
     _registers.__r[regNum - UNW_MIPS_R0] = value;
     return;
@@ -2927,35 +2927,35 @@
     _registers.__lo = value;
     return;
   }
-  _LIBUNWIND_ABORT("unsupported mips_n64 register");
+  _LIBUNWIND_ABORT("unsupported mips_newabi register");
 }
 
-inline bool Registers_mips_n64::validFloatRegister(int /* regNum */) const {
+inline bool Registers_mips_newabi::validFloatRegister(int /* regNum */) const {
   return false;
 }
 
-inline double Registers_mips_n64::getFloatRegister(int /* regNum */) const {
-  _LIBUNWIND_ABORT("mips_n64 float support not implemented");
+inline double Registers_mips_newabi::getFloatRegister(int /* regNum */) const {
+  _LIBUNWIND_ABORT("mips_newabi float support not implemented");
 }
 
-inline void Registers_mips_n64::setFloatRegister(int /* regNum */,
+inline void Registers_mips_newabi::setFloatRegister(int /* regNum */,
                                                  double /* value */) {
-  _LIBUNWIND_ABORT("mips_n64 float support not implemented");
+  _LIBUNWIND_ABORT("mips_newabi float support not implemented");
 }
 
-inline bool Registers_mips_n64::validVectorRegister(int /* regNum */) const {
+inline bool Registers_mips_newabi::validVectorRegister(int /* regNum */) const {
   return false;
 }
 
-inline v128 Registers_mips_n64::getVectorRegister(int /* regNum */) const {
-  _LIBUNWIND_ABORT("mips_n64 vector support not implemented");
+inline v128 Registers_mips_newabi::getVectorRegister(int /* regNum */) const {
+  _LIBUNWIND_ABORT("mips_newabi vector support not implemented");
 }
 
-inline void Registers_mips_n64::setVectorRegister(int /* regNum */, v128 /* value */) {
-  _LIBUNWIND_ABORT("mips_n64 vector support not implemented");
+inline void Registers_mips_newabi::setVectorRegister(int /* regNum */, v128 /* value */) {
+  _LIBUNWIND_ABORT("mips_newabi vector support not implemented");
 }
 
-inline const char *Registers_mips_n64::getRegisterName(int regNum) {
+inline const char *Registers_mips_newabi::getRegisterName(int regNum) {
   switch (regNum) {
   case UNW_MIPS_R0:
     return "$0";
@@ -3029,7 +3029,7 @@
     return "unknown register";
   }
 }
-#endif // _LIBUNWIND_TARGET_MIPS_N64
+#endif // _LIBUNWIND_TARGET_MIPS_NEWABI
 } // namespace libunwind
 
 #endif // __REGISTERS_HPP__
Index: libunwind/trunk/src/UnwindCursor.hpp
===================================================================
--- libunwind/trunk/src/UnwindCursor.hpp
+++ libunwind/trunk/src/UnwindCursor.hpp
@@ -521,8 +521,8 @@
   }
 #endif
 
-#if defined(_LIBUNWIND_TARGET_MIPS_N64)
-  int stepWithCompactEncoding(Registers_mips_n64 &) {
+#if defined(_LIBUNWIND_TARGET_MIPS_NEWABI)
+  int stepWithCompactEncoding(Registers_mips_newabi &) {
     return UNW_EINVAL;
   }
 #endif
@@ -583,8 +583,8 @@
   }
 #endif
 
-#if defined(_LIBUNWIND_TARGET_MIPS_N64)
-  bool compactSaysUseDwarf(Registers_mips_n64 &, uint32_t *) const {
+#if defined(_LIBUNWIND_TARGET_MIPS_NEWABI)
+  bool compactSaysUseDwarf(Registers_mips_newabi &, uint32_t *) const {
     return true;
   }
 #endif
@@ -644,8 +644,8 @@
   }
 #endif
 
-#if defined (_LIBUNWIND_TARGET_MIPS_N64)
-  compact_unwind_encoding_t dwarfEncoding(Registers_mips_n64 &) const {
+#if defined (_LIBUNWIND_TARGET_MIPS_NEWABI)
+  compact_unwind_encoding_t dwarfEncoding(Registers_mips_newabi &) const {
     return 0;
   }
 #endif
Index: libunwind/trunk/src/UnwindRegistersRestore.S
===================================================================
--- libunwind/trunk/src/UnwindRegistersRestore.S
+++ libunwind/trunk/src/UnwindRegistersRestore.S
@@ -688,12 +688,12 @@
 #elif defined(__mips__) && defined(_ABI64) && defined(__mips_soft_float)
 
 //
-// void libunwind::Registers_mips_n64::jumpto()
+// void libunwind::Registers_mips_newabi::jumpto()
 //
 // On entry:
 //  thread state pointer is in a0 ($4)
 //
-DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind18Registers_mips_n646jumptoEv)
+DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind21Registers_mips_newabi6jumptoEv)
   .set push
   .set noat
   .set noreorder
Index: libunwind/trunk/src/libunwind.cpp
===================================================================
--- libunwind/trunk/src/libunwind.cpp
+++ libunwind/trunk/src/libunwind.cpp
@@ -64,7 +64,7 @@
 #elif defined(__mips__) && defined(_ABIO32) && defined(__mips_soft_float)
 # define REGISTER_KIND Registers_mips_o32
 #elif defined(__mips__) && defined(_ABI64) && defined(__mips_soft_float)
-# define REGISTER_KIND Registers_mips_n64
+# define REGISTER_KIND Registers_mips_newabi
 #elif defined(__mips__)
 # warning The MIPS architecture is not supported with this ABI and environment!
 #else