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#ifndef WASM_H
#define WASM_H
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
#define EXTERN_C extern "C"
#else
#define EXTERN_C
#endif
/* These values match the v8-native-prototype's type's values */
typedef enum WasmType {
WASM_TYPE_VOID,
WASM_TYPE_I32,
WASM_TYPE_I64,
WASM_TYPE_F32,
WASM_TYPE_F64,
WASM_NUM_TYPES,
} WasmType;
#define OPCODES(V) \
V(NOP, 0x00) \
V(IF, 0x01) \
V(IF_THEN, 0x02) \
V(BLOCK, 0x03) \
V(SWITCH, 0x04) \
V(SWITCH_NF, 0x05) \
V(LOOP, 0x06) \
V(CONTINUE, 0x07) \
V(BREAK, 0x08) \
V(RETURN, 0x09) \
V(I8_CONST, 0x10) \
V(I32_CONST, 0x11) \
V(I64_CONST, 0x12) \
V(F64_CONST, 0x13) \
V(F32_CONST, 0x14) \
V(GET_LOCAL, 0x15) \
V(SET_LOCAL, 0x16) \
V(GET_GLOBAL, 0x17) \
V(SET_GLOBAL, 0x18) \
V(CALL, 0x19) \
V(CALL_INDIRECT, 0x1a) \
V(EXPR_IF, 0x1b) \
V(COMMA, 0x1c) \
V(EXPR_BLOCK, 0x1d) \
V(EXPR_LOOP, 0x1e) \
V(EXPR_BREAK, 0x1f) \
V(I32_LOAD_I32, 0x20) \
V(I64_LOAD_I32, 0x21) \
V(F32_LOAD_I32, 0x22) \
V(F64_LOAD_I32, 0x23) \
V(I32_LOAD_I64, 0x24) \
V(I64_LOAD_I64, 0x25) \
V(F32_LOAD_I64, 0x26) \
V(F64_LOAD_I64, 0x27) \
V(I32_STORE_I32, 0x30) \
V(I64_STORE_I32, 0x31) \
V(F32_STORE_I32, 0x32) \
V(F64_STORE_I32, 0x33) \
V(I32_STORE_I64, 0x34) \
V(I64_STORE_I64, 0x35) \
V(F32_STORE_I64, 0x36) \
V(F64_STORE_I64, 0x37) \
V(PAGE_SIZE, 0x38) \
V(RESIZE_MEMORY_I32, 0x39) \
V(RESIZE_MEMORY_I64, 0x3a) \
V(I32_ADD, 0x40) \
V(I32_SUB, 0x41) \
V(I32_MUL, 0x42) \
V(I32_SDIV, 0x43) \
V(I32_UDIV, 0x44) \
V(I32_SREM, 0x45) \
V(I32_UREM, 0x46) \
V(I32_AND, 0x47) \
V(I32_OR, 0x48) \
V(I32_XOR, 0x49) \
V(I32_SHL, 0x4a) \
V(I32_SHR, 0x4b) \
V(I32_SAR, 0x4c) \
V(I32_EQ, 0x4d) \
V(I32_NE, 0x4e) \
V(I32_SLT, 0x4f) \
V(I32_SLE, 0x50) \
V(I32_ULT, 0x51) \
V(I32_ULE, 0x52) \
V(I32_SGT, 0x53) \
V(I32_SGE, 0x54) \
V(I32_UGT, 0x55) \
V(I32_UGE, 0x56) \
V(I32_CLZ, 0x57) \
V(I32_CTZ, 0x58) \
V(I32_POPCNT, 0x59) \
V(I32_NOT, 0x5a) \
V(I64_ADD, 0x5b) \
V(I64_SUB, 0x5c) \
V(I64_MUL, 0x5d) \
V(I64_SDIV, 0x5e) \
V(I64_UDIV, 0x5f) \
V(I64_SREM, 0x60) \
V(I64_UREM, 0x61) \
V(I64_AND, 0x62) \
V(I64_OR, 0x63) \
V(I64_XOR, 0x64) \
V(I64_SHL, 0x65) \
V(I64_SHR, 0x66) \
V(I64_SAR, 0x67) \
V(I64_EQ, 0x68) \
V(I64_NE, 0x69) \
V(I64_SLT, 0x6a) \
V(I64_SLE, 0x6b) \
V(I64_ULT, 0x6c) \
V(I64_ULE, 0x6d) \
V(I64_SGT, 0x6e) \
V(I64_SGE, 0x6f) \
V(I64_UGT, 0x70) \
V(I64_UGE, 0x71) \
V(I64_CLZ, 0x72) \
V(I64_CTZ, 0x73) \
V(I64_POPCNT, 0x74) \
V(F32_ADD, 0x75) \
V(F32_SUB, 0x76) \
V(F32_MUL, 0x77) \
V(F32_DIV, 0x78) \
V(F32_MIN, 0x79) \
V(F32_MAX, 0x7a) \
V(F32_ABS, 0x7b) \
V(F32_NEG, 0x7c) \
V(F32_COPYSIGN, 0x7d) \
V(F32_CEIL, 0x7e) \
V(F32_FLOOR, 0x7f) \
V(F32_TRUNC, 0x80) \
V(F32_NEAREST, 0x81) \
V(F32_SQRT, 0x82) \
V(F32_EQ, 0x83) \
V(F32_NE, 0x84) \
V(F32_LT, 0x85) \
V(F32_LE, 0x86) \
V(F32_GT, 0x87) \
V(F32_GE, 0x88) \
V(F64_ADD, 0x89) \
V(F64_SUB, 0x8a) \
V(F64_MUL, 0x8b) \
V(F64_DIV, 0x8c) \
V(F64_MIN, 0x8d) \
V(F64_MAX, 0x8e) \
V(F64_ABS, 0x8f) \
V(F64_NEG, 0x90) \
V(F64_COPYSIGN, 0x91) \
V(F64_CEIL, 0x92) \
V(F64_FLOOR, 0x93) \
V(F64_TRUNC, 0x94) \
V(F64_NEAREST, 0x95) \
V(F64_SQRT, 0x96) \
V(F64_EQ, 0x97) \
V(F64_NE, 0x98) \
V(F64_LT, 0x99) \
V(F64_LE, 0x9a) \
V(F64_GT, 0x9b) \
V(F64_GE, 0x9c) \
V(I32_SCONVERT_F32, 0x9d) \
V(I32_SCONVERT_F64, 0x9e) \
V(I32_UCONVERT_F32, 0x9f) \
V(I32_UCONVERT_F64, 0xa0) \
V(I32_CONVERT_I64, 0xa1) \
V(I64_SCONVERT_F32, 0xa2) \
V(I64_SCONVERT_F64, 0xa3) \
V(I64_UCONVERT_F32, 0xa4) \
V(I64_UCONVERT_F64, 0xa5) \
V(I64_SCONVERT_I32, 0xa6) \
V(I64_UCONVERT_I32, 0xa7) \
V(F32_SCONVERT_I32, 0xa8) \
V(F32_UCONVERT_I32, 0xa9) \
V(F32_SCONVERT_I64, 0xaa) \
V(F32_UCONVERT_I64, 0xab) \
V(F32_CONVERT_F64, 0xac) \
V(F32_REINTERPRET_I32, 0xad) \
V(F64_SCONVERT_I32, 0xae) \
V(F64_UCONVERT_I32, 0xaf) \
V(F64_SCONVERT_I64, 0xb0) \
V(F64_UCONVERT_I64, 0xb1) \
V(F64_CONVERT_F32, 0xb2) \
V(F64_REINTERPRET_I64, 0xb3) \
V(I32_REINTERPRET_F32, 0xb4) \
V(I64_REINTERPRET_F64, 0xb5)
typedef enum WasmOpcode {
WASM_OPCODE_INVALID = -1,
#define OPCODE(name, code) WASM_OPCODE_##name = code,
OPCODES(OPCODE)
#undef OPCODE
} WasmOpcode;
typedef struct WasmSource {
const char* filename;
const char* start;
const char* end;
} WasmSource;
typedef struct WasmSourceLocation {
WasmSource* source;
const char* pos;
int line;
int col;
} WasmSourceLocation;
#define DECLARE_VECTOR(name, type) \
typedef struct type##Vector { \
type* data; \
size_t size; \
size_t capacity; \
} type##Vector; \
EXTERN_C void wasm_destroy_##name##_vector(type##Vector* vec); \
EXTERN_C type* wasm_append_##name(type##Vector* vec);
typedef struct WasmBinding {
char* name;
int index;
} WasmBinding;
DECLARE_VECTOR(binding, WasmBinding)
typedef struct WasmVariable {
WasmType type;
/* The v8-native-prototype stores locals in i32/i64/f32/f64 order, where all
* variables of one type are grouped. index maps to this variable to its
* correct location in that order */
int index;
} WasmVariable;
DECLARE_VECTOR(variable, WasmVariable)
typedef struct WasmLabel {
WasmType type;
} WasmLabel;
DECLARE_VECTOR(label, WasmLabel)
typedef struct WasmExportedNameList {
char* name;
struct WasmExportedNameList* next;
} WasmExportedNameList;
typedef struct WasmFunction {
WasmType result_type;
WasmVariableVector locals; /* Includes args, they're at the start */
WasmBindingVector local_bindings;
WasmLabelVector labels;
WasmBindingVector label_bindings;
int num_args;
/* exported and exported_name won't be valid until after the before_export
* callback */
WasmExportedNameList exported_name;
int exported;
} WasmFunction;
DECLARE_VECTOR(function, WasmFunction)
typedef struct WasmImport {
char* module_name;
char* func_name;
WasmType result_type;
WasmVariableVector args;
} WasmImport;
DECLARE_VECTOR(import, WasmImport)
typedef void* WasmSegmentData;
typedef struct WasmSegment {
size_t size;
uint32_t address;
WasmSegmentData data; /* don't access directly; call wasm_copy_segment_data */
} WasmSegment;
DECLARE_VECTOR(segment, WasmSegment)
typedef struct WasmModule {
WasmFunctionVector functions;
WasmBindingVector function_bindings;
WasmVariableVector globals;
WasmBindingVector global_bindings;
WasmImportVector imports;
WasmBindingVector import_bindings;
WasmSegmentVector segments;
uint32_t initial_memory_size;
uint32_t max_memory_size;
} WasmModule;
#endif /* WASM_H */
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