initial upload

2026-08-03 20:38:40 +00:00 · 2024-01-10 19:57:50 -08:00
commit a42ec6aeff
308 changed files with 162362 additions and 0 deletions
@@ -0,0 +1,115 @@
+// Copyright (c) 2024 Epic Games Tools
+// Licensed under the MIT license (https://opensource.org/license/mit/)
+
+#ifndef REGS_H
+#define REGS_H
+
+////////////////////////////////
+//~ rjf: Register Usage Kinds
+
+typedef enum REGS_UsageKind
+{
+  REGS_UsageKind_Normal,
+  REGS_UsageKind_Vector,
+}
+REGS_UsageKind;
+
+////////////////////////////////
+//~ rjf: Register Types
+
+typedef U8 REGS_RegCode;
+typedef U8 REGS_AliasCode;
+
+typedef union REGS_Reg16 REGS_Reg16;
+union REGS_Reg16
+{
+  U8 v[2];
+  U16 u16;
+};
+
+typedef union REGS_Reg32 REGS_Reg32;
+union REGS_Reg32
+{
+  U8 v[4];
+  U32 u32;
+  F32 f32;
+};
+
+typedef union REGS_Reg64 REGS_Reg64;
+union REGS_Reg64
+{
+  U8 v[8];
+  U64 u64;
+  F64 f64;
+};
+
+#pragma pack(push, 1)
+typedef struct REGS_Reg80 REGS_Reg80;
+struct REGS_Reg80
+{
+  U64 int1_frac63;
+  U16 sign1_exp15;
+};
+#pragma pack(pop)
+
+typedef union REGS_Reg128 REGS_Reg128;
+union REGS_Reg128
+{
+  U8 v[16];
+  U32 u32[4];
+  F32 f32[4];
+  U64 u64[2];
+  F64 f64[2];
+};
+
+typedef union REGS_Reg256 REGS_Reg256;
+union REGS_Reg256
+{
+  U8 v[32];
+  U32 u32[8];
+  F32 f32[8];
+  U64 u64[4];
+  F64 f64[4];
+};
+
+////////////////////////////////
+//~ rjf: Register Slicing Types
+
+typedef struct REGS_Rng REGS_Rng;
+struct REGS_Rng
+{
+  U16 byte_off;
+  U16 byte_size;
+};
+
+typedef struct REGS_Slice REGS_Slice;
+struct REGS_Slice
+{
+  U16 code;
+  U8 byte_off;
+  U8 byte_size;
+};
+
+////////////////////////////////
+//~ rjf: Generated Code
+
+#include "regs/generated/regs.meta.h"
+
+////////////////////////////////
+//~ rjf: Helpers
+
+internal U64 regs_block_size_from_architecture(Architecture arch);
+internal U64 regs_reg_code_count_from_architecture(Architecture arch);
+internal U64 regs_alias_code_count_from_architecture(Architecture arch);
+internal String8 *regs_reg_code_string_table_from_architecture(Architecture arch);
+internal String8 *regs_alias_code_string_table_from_architecture(Architecture arch);
+internal REGS_Rng *regs_reg_code_rng_table_from_architecture(Architecture arch);
+internal REGS_Slice *regs_alias_code_slice_table_from_architecture(Architecture arch);
+internal REGS_UsageKind *regs_reg_code_usage_kind_table_from_architecture(Architecture arch);
+internal REGS_UsageKind *regs_alias_code_usage_kind_table_from_architecture(Architecture arch);
+internal U64 regs_rip_from_arch_block(Architecture arch, void *block);
+internal U64 regs_rsp_from_arch_block(Architecture arch, void *block);
+internal void regs_arch_block_write_rip(Architecture arch, void *block, U64 rip);
+internal void regs_arch_block_write_rsp(Architecture arch, void *block, U64 rsp);
+
+#endif // REGS_H