syms_regs.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#ifndef SYMS_REGS_H
#define SYMS_REGS_H
 
// NOTE(allen): Basic Register Types
 
typedef union SYMS_Reg16{
  SYMS_U8 v[2];
  SYMS_U16 u16;
} SYMS_Reg16;
 
typedef union SYMS_Reg32{
  SYMS_U8 v[4];
  SYMS_U32 u32;
  SYMS_F32 f32;
} SYMS_Reg32;
 
typedef union SYMS_Reg64{
  SYMS_U8 v[8];
  SYMS_U64 u64;
  SYMS_F64 f64;
} SYMS_Reg64;
 
#pragma pack(push, 1)
typedef struct SYMS_Reg80{
  SYMS_U64 int1_frac63;
  SYMS_U16 sign1_exp15;
} SYMS_Reg80;
#pragma pack(pop)
 
typedef union SYMS_Reg128{
  SYMS_U8 v[16];
  SYMS_U32 u32[4];
  SYMS_F32 f32[4];
  SYMS_U64 u64[2];
  SYMS_F64 f64[2];
} SYMS_Reg128;
 
typedef union SYMS_Reg256{
  SYMS_U8 v[32];
  SYMS_U32 u32[8];
  SYMS_F32 f32[8];
  SYMS_U64 u64[4];
  SYMS_F64 f64[4];
} SYMS_Reg256;
 
typedef struct SYMS_RegSection{
  // TODO(allen): naming pass byte_*; double check these are encoded as byte sizes
  SYMS_U16 off;
  SYMS_U16 size;
} SYMS_RegSection;
 
typedef struct SYMS_RegSlice{
  SYMS_U16 reg_id;
  SYMS_U8 byte_off;
  SYMS_U8 byte_size;
} SYMS_RegSlice;
 
#endif // SYMS_REGS_H