Capturing guest/host context and showing registers in debugger.

src/xenia/cpu/frontend/ppc_context.h

@@ -11,6 +11,7 @@
 #define XENIA_CPU_FRONTEND_PPC_CONTEXT_H_
 
 #include <cstdint>
+#include <string>
 
 #include "xenia/base/vec128.h"
 
@@ -40,6 +41,209 @@ namespace frontend {
 // 100: invalid
 // 128-256: VR
 
+enum class PPCRegister {
+  kR0 = 0,
+  kR1,
+  kR2,
+  kR3,
+  kR4,
+  kR5,
+  kR6,
+  kR7,
+  kR8,
+  kR9,
+  kR10,
+  kR11,
+  kR12,
+  kR13,
+  kR14,
+  kR15,
+  kR16,
+  kR17,
+  kR18,
+  kR19,
+  kR20,
+  kR21,
+  kR22,
+  kR23,
+  kR24,
+  kR25,
+  kR26,
+  kR27,
+  kR28,
+  kR29,
+  kR30,
+  kR31,
+  kFR0 = 32,
+  kFR1,
+  kFR2,
+  kFR3,
+  kFR4,
+  kFR5,
+  kFR6,
+  kFR7,
+  kFR8,
+  kFR9,
+  kFR10,
+  kFR11,
+  kFR12,
+  kFR13,
+  kFR14,
+  kFR15,
+  kFR16,
+  kFR17,
+  kFR18,
+  kFR19,
+  kFR20,
+  kFR21,
+  kFR22,
+  kFR23,
+  kFR24,
+  kFR25,
+  kFR26,
+  kFR27,
+  kFR28,
+  kFR29,
+  kFR30,
+  kFR31,
+  kVR0 = 64,
+  kVR1,
+  kVR2,
+  kVR3,
+  kVR4,
+  kVR5,
+  kVR6,
+  kVR7,
+  kVR8,
+  kVR9,
+  kVR10,
+  kVR11,
+  kVR12,
+  kVR13,
+  kVR14,
+  kVR15,
+  kVR16,
+  kVR17,
+  kVR18,
+  kVR19,
+  kVR20,
+  kVR21,
+  kVR22,
+  kVR23,
+  kVR24,
+  kVR25,
+  kVR26,
+  kVR27,
+  kVR28,
+  kVR29,
+  kVR30,
+  kVR31,
+  kVR32,
+  kVR33,
+  kVR34,
+  kVR35,
+  kVR36,
+  kVR37,
+  kVR38,
+  kVR39,
+  kVR40,
+  kVR41,
+  kVR42,
+  kVR43,
+  kVR44,
+  kVR45,
+  kVR46,
+  kVR47,
+  kVR48,
+  kVR49,
+  kVR50,
+  kVR51,
+  kVR52,
+  kVR53,
+  kVR54,
+  kVR55,
+  kVR56,
+  kVR57,
+  kVR58,
+  kVR59,
+  kVR60,
+  kVR61,
+  kVR62,
+  kVR63,
+  kVR64,
+  kVR65,
+  kVR66,
+  kVR67,
+  kVR68,
+  kVR69,
+  kVR70,
+  kVR71,
+  kVR72,
+  kVR73,
+  kVR74,
+  kVR75,
+  kVR76,
+  kVR77,
+  kVR78,
+  kVR79,
+  kVR80,
+  kVR81,
+  kVR82,
+  kVR83,
+  kVR84,
+  kVR85,
+  kVR86,
+  kVR87,
+  kVR88,
+  kVR89,
+  kVR90,
+  kVR91,
+  kVR92,
+  kVR93,
+  kVR94,
+  kVR95,
+  kVR96,
+  kVR97,
+  kVR98,
+  kVR99,
+  kVR100,
+  kVR101,
+  kVR102,
+  kVR103,
+  kVR104,
+  kVR105,
+  kVR106,
+  kVR107,
+  kVR108,
+  kVR109,
+  kVR110,
+  kVR111,
+  kVR112,
+  kVR113,
+  kVR114,
+  kVR115,
+  kVR116,
+  kVR117,
+  kVR118,
+  kVR119,
+  kVR120,
+  kVR121,
+  kVR122,
+  kVR123,
+  kVR124,
+  kVR125,
+  kVR126,
+  kVR127,
+  kVR128,
+
+  kLR,
+  kCTR,
+  kXER,
+  kFPSCR,
+  kVSCR,
+  kCR,
+};
+
 #pragma pack(push, 8)
 typedef struct alignas(64) PPCContext_s {
   // Must be stored at 0x0 for now.
@@ -218,9 +422,13 @@ typedef struct alignas(64) PPCContext_s {
   // Keep the struct padded out to 64b total.
   uint8_t _padding[8];
 
+  static std::string GetRegisterName(PPCRegister reg);
+  std::string GetStringFromValue(PPCRegister reg) const;
+  void SetValueFromString(PPCRegister reg, std::string value);
+
   void SetRegFromString(const char* name, const char* value);
   bool CompareRegWithString(const char* name, const char* value,
-                            char* out_value, size_t out_value_size);
+                            char* out_value, size_t out_value_size) const;
 } PPCContext;
 #pragma pack(pop)
 static_assert(sizeof(PPCContext) % 64 == 0, "64b padded");