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Diffstat (limited to 'llvm/include/llvm/BinaryFormat/Wasm.h')
-rw-r--r--llvm/include/llvm/BinaryFormat/Wasm.h396
1 files changed, 198 insertions, 198 deletions
diff --git a/llvm/include/llvm/BinaryFormat/Wasm.h b/llvm/include/llvm/BinaryFormat/Wasm.h
index c7658cc7b743..c6f837531363 100644
--- a/llvm/include/llvm/BinaryFormat/Wasm.h
+++ b/llvm/include/llvm/BinaryFormat/Wasm.h
@@ -31,11 +31,206 @@ const uint32_t WasmMetadataVersion = 0x2;
// Wasm uses a 64k page size
const uint32_t WasmPageSize = 65536;
+enum : unsigned {
+ WASM_SEC_CUSTOM = 0, // Custom / User-defined section
+ WASM_SEC_TYPE = 1, // Function signature declarations
+ WASM_SEC_IMPORT = 2, // Import declarations
+ WASM_SEC_FUNCTION = 3, // Function declarations
+ WASM_SEC_TABLE = 4, // Indirect function table and other tables
+ WASM_SEC_MEMORY = 5, // Memory attributes
+ WASM_SEC_GLOBAL = 6, // Global declarations
+ WASM_SEC_EXPORT = 7, // Exports
+ WASM_SEC_START = 8, // Start function declaration
+ WASM_SEC_ELEM = 9, // Elements section
+ WASM_SEC_CODE = 10, // Function bodies (code)
+ WASM_SEC_DATA = 11, // Data segments
+ WASM_SEC_DATACOUNT = 12, // Data segment count
+ WASM_SEC_TAG = 13, // Tag declarations
+ WASM_SEC_LAST_KNOWN = WASM_SEC_TAG,
+};
+
+// Type immediate encodings used in various contexts.
+enum : unsigned {
+ WASM_TYPE_I32 = 0x7F,
+ WASM_TYPE_I64 = 0x7E,
+ WASM_TYPE_F32 = 0x7D,
+ WASM_TYPE_F64 = 0x7C,
+ WASM_TYPE_V128 = 0x7B,
+ WASM_TYPE_FUNCREF = 0x70,
+ WASM_TYPE_EXTERNREF = 0x6F,
+ WASM_TYPE_FUNC = 0x60,
+ WASM_TYPE_NORESULT = 0x40, // for blocks with no result values
+};
+
+// Kinds of externals (for imports and exports).
+enum : unsigned {
+ WASM_EXTERNAL_FUNCTION = 0x0,
+ WASM_EXTERNAL_TABLE = 0x1,
+ WASM_EXTERNAL_MEMORY = 0x2,
+ WASM_EXTERNAL_GLOBAL = 0x3,
+ WASM_EXTERNAL_TAG = 0x4,
+};
+
+// Opcodes used in initializer expressions.
+enum : unsigned {
+ WASM_OPCODE_END = 0x0b,
+ WASM_OPCODE_CALL = 0x10,
+ WASM_OPCODE_LOCAL_GET = 0x20,
+ WASM_OPCODE_LOCAL_SET = 0x21,
+ WASM_OPCODE_LOCAL_TEE = 0x22,
+ WASM_OPCODE_GLOBAL_GET = 0x23,
+ WASM_OPCODE_GLOBAL_SET = 0x24,
+ WASM_OPCODE_I32_STORE = 0x36,
+ WASM_OPCODE_I64_STORE = 0x37,
+ WASM_OPCODE_I32_CONST = 0x41,
+ WASM_OPCODE_I64_CONST = 0x42,
+ WASM_OPCODE_F32_CONST = 0x43,
+ WASM_OPCODE_F64_CONST = 0x44,
+ WASM_OPCODE_I32_ADD = 0x6a,
+ WASM_OPCODE_I32_SUB = 0x6b,
+ WASM_OPCODE_I32_MUL = 0x6c,
+ WASM_OPCODE_I64_ADD = 0x7c,
+ WASM_OPCODE_I64_SUB = 0x7d,
+ WASM_OPCODE_I64_MUL = 0x7e,
+ WASM_OPCODE_REF_NULL = 0xd0,
+};
+
+// Opcodes used in synthetic functions.
+enum : unsigned {
+ WASM_OPCODE_BLOCK = 0x02,
+ WASM_OPCODE_BR = 0x0c,
+ WASM_OPCODE_BR_TABLE = 0x0e,
+ WASM_OPCODE_RETURN = 0x0f,
+ WASM_OPCODE_DROP = 0x1a,
+ WASM_OPCODE_MISC_PREFIX = 0xfc,
+ WASM_OPCODE_MEMORY_INIT = 0x08,
+ WASM_OPCODE_MEMORY_FILL = 0x0b,
+ WASM_OPCODE_DATA_DROP = 0x09,
+ WASM_OPCODE_ATOMICS_PREFIX = 0xfe,
+ WASM_OPCODE_ATOMIC_NOTIFY = 0x00,
+ WASM_OPCODE_I32_ATOMIC_WAIT = 0x01,
+ WASM_OPCODE_I32_ATOMIC_STORE = 0x17,
+ WASM_OPCODE_I32_RMW_CMPXCHG = 0x48,
+};
+
+enum : unsigned {
+ WASM_LIMITS_FLAG_NONE = 0x0,
+ WASM_LIMITS_FLAG_HAS_MAX = 0x1,
+ WASM_LIMITS_FLAG_IS_SHARED = 0x2,
+ WASM_LIMITS_FLAG_IS_64 = 0x4,
+};
+
+enum : unsigned {
+ WASM_DATA_SEGMENT_IS_PASSIVE = 0x01,
+ WASM_DATA_SEGMENT_HAS_MEMINDEX = 0x02,
+};
+
+enum : unsigned {
+ WASM_ELEM_SEGMENT_IS_PASSIVE = 0x01,
+ WASM_ELEM_SEGMENT_HAS_TABLE_NUMBER = 0x02,
+ WASM_ELEM_SEGMENT_HAS_INIT_EXPRS = 0x04,
+};
+const unsigned WASM_ELEM_SEGMENT_MASK_HAS_ELEM_KIND = 0x3;
+
+// Feature policy prefixes used in the custom "target_features" section
+enum : uint8_t {
+ WASM_FEATURE_PREFIX_USED = '+',
+ WASM_FEATURE_PREFIX_REQUIRED = '=',
+ WASM_FEATURE_PREFIX_DISALLOWED = '-',
+};
+
+// Kind codes used in the custom "name" section
+enum : unsigned {
+ WASM_NAMES_MODULE = 0,
+ WASM_NAMES_FUNCTION = 1,
+ WASM_NAMES_LOCAL = 2,
+ WASM_NAMES_GLOBAL = 7,
+ WASM_NAMES_DATA_SEGMENT = 9,
+};
+
+// Kind codes used in the custom "linking" section
+enum : unsigned {
+ WASM_SEGMENT_INFO = 0x5,
+ WASM_INIT_FUNCS = 0x6,
+ WASM_COMDAT_INFO = 0x7,
+ WASM_SYMBOL_TABLE = 0x8,
+};
+
+// Kind codes used in the custom "dylink" section
+enum : unsigned {
+ WASM_DYLINK_MEM_INFO = 0x1,
+ WASM_DYLINK_NEEDED = 0x2,
+ WASM_DYLINK_EXPORT_INFO = 0x3,
+ WASM_DYLINK_IMPORT_INFO = 0x4,
+};
+
+// Kind codes used in the custom "linking" section in the WASM_COMDAT_INFO
+enum : unsigned {
+ WASM_COMDAT_DATA = 0x0,
+ WASM_COMDAT_FUNCTION = 0x1,
+ // GLOBAL, TAG, and TABLE are in here but LLVM doesn't use them yet.
+ WASM_COMDAT_SECTION = 0x5,
+};
+
+// Kind codes used in the custom "linking" section in the WASM_SYMBOL_TABLE
+enum WasmSymbolType : unsigned {
+ WASM_SYMBOL_TYPE_FUNCTION = 0x0,
+ WASM_SYMBOL_TYPE_DATA = 0x1,
+ WASM_SYMBOL_TYPE_GLOBAL = 0x2,
+ WASM_SYMBOL_TYPE_SECTION = 0x3,
+ WASM_SYMBOL_TYPE_TAG = 0x4,
+ WASM_SYMBOL_TYPE_TABLE = 0x5,
+};
+
+enum WasmSegmentFlag : unsigned {
+ WASM_SEG_FLAG_STRINGS = 0x1,
+ WASM_SEG_FLAG_TLS = 0x2,
+};
+
+// Kinds of tag attributes.
+enum WasmTagAttribute : uint8_t {
+ WASM_TAG_ATTRIBUTE_EXCEPTION = 0x0,
+};
+
+const unsigned WASM_SYMBOL_BINDING_MASK = 0x3;
+const unsigned WASM_SYMBOL_VISIBILITY_MASK = 0xc;
+
+const unsigned WASM_SYMBOL_BINDING_GLOBAL = 0x0;
+const unsigned WASM_SYMBOL_BINDING_WEAK = 0x1;
+const unsigned WASM_SYMBOL_BINDING_LOCAL = 0x2;
+const unsigned WASM_SYMBOL_VISIBILITY_DEFAULT = 0x0;
+const unsigned WASM_SYMBOL_VISIBILITY_HIDDEN = 0x4;
+const unsigned WASM_SYMBOL_UNDEFINED = 0x10;
+const unsigned WASM_SYMBOL_EXPORTED = 0x20;
+const unsigned WASM_SYMBOL_EXPLICIT_NAME = 0x40;
+const unsigned WASM_SYMBOL_NO_STRIP = 0x80;
+const unsigned WASM_SYMBOL_TLS = 0x100;
+const unsigned WASM_SYMBOL_ABSOLUTE = 0x200;
+
+#define WASM_RELOC(name, value) name = value,
+
+enum : unsigned {
+#include "WasmRelocs.def"
+};
+
+#undef WASM_RELOC
+
struct WasmObjectHeader {
StringRef Magic;
uint32_t Version;
};
+// Subset of types that a value can have
+enum class ValType {
+ I32 = WASM_TYPE_I32,
+ I64 = WASM_TYPE_I64,
+ F32 = WASM_TYPE_F32,
+ F64 = WASM_TYPE_F64,
+ V128 = WASM_TYPE_V128,
+ FUNCREF = WASM_TYPE_FUNCREF,
+ EXTERNREF = WASM_TYPE_EXTERNREF,
+};
+
struct WasmDylinkImportInfo {
StringRef Module;
StringRef Field;
@@ -81,7 +276,7 @@ struct WasmLimits {
};
struct WasmTableType {
- uint8_t ElemType;
+ ValType ElemType;
WasmLimits Limits;
};
@@ -110,7 +305,7 @@ struct WasmInitExpr {
};
struct WasmGlobalType {
- uint8_t Type;
+ uint8_t Type; // TODO: make this a ValType?
bool Mutable;
};
@@ -175,7 +370,7 @@ struct WasmDataSegment {
struct WasmElemSegment {
uint32_t Flags;
uint32_t TableNumber;
- uint8_t ElemKind;
+ ValType ElemKind;
WasmInitExpr Offset;
std::vector<uint32_t> Functions;
};
@@ -238,201 +433,6 @@ struct WasmLinkingData {
std::vector<WasmSymbolInfo> SymbolTable;
};
-enum : unsigned {
- WASM_SEC_CUSTOM = 0, // Custom / User-defined section
- WASM_SEC_TYPE = 1, // Function signature declarations
- WASM_SEC_IMPORT = 2, // Import declarations
- WASM_SEC_FUNCTION = 3, // Function declarations
- WASM_SEC_TABLE = 4, // Indirect function table and other tables
- WASM_SEC_MEMORY = 5, // Memory attributes
- WASM_SEC_GLOBAL = 6, // Global declarations
- WASM_SEC_EXPORT = 7, // Exports
- WASM_SEC_START = 8, // Start function declaration
- WASM_SEC_ELEM = 9, // Elements section
- WASM_SEC_CODE = 10, // Function bodies (code)
- WASM_SEC_DATA = 11, // Data segments
- WASM_SEC_DATACOUNT = 12, // Data segment count
- WASM_SEC_TAG = 13, // Tag declarations
- WASM_SEC_LAST_KNOWN = WASM_SEC_TAG,
-};
-
-// Type immediate encodings used in various contexts.
-enum : unsigned {
- WASM_TYPE_I32 = 0x7F,
- WASM_TYPE_I64 = 0x7E,
- WASM_TYPE_F32 = 0x7D,
- WASM_TYPE_F64 = 0x7C,
- WASM_TYPE_V128 = 0x7B,
- WASM_TYPE_FUNCREF = 0x70,
- WASM_TYPE_EXTERNREF = 0x6F,
- WASM_TYPE_FUNC = 0x60,
- WASM_TYPE_NORESULT = 0x40, // for blocks with no result values
-};
-
-// Kinds of externals (for imports and exports).
-enum : unsigned {
- WASM_EXTERNAL_FUNCTION = 0x0,
- WASM_EXTERNAL_TABLE = 0x1,
- WASM_EXTERNAL_MEMORY = 0x2,
- WASM_EXTERNAL_GLOBAL = 0x3,
- WASM_EXTERNAL_TAG = 0x4,
-};
-
-// Opcodes used in initializer expressions.
-enum : unsigned {
- WASM_OPCODE_END = 0x0b,
- WASM_OPCODE_CALL = 0x10,
- WASM_OPCODE_LOCAL_GET = 0x20,
- WASM_OPCODE_LOCAL_SET = 0x21,
- WASM_OPCODE_LOCAL_TEE = 0x22,
- WASM_OPCODE_GLOBAL_GET = 0x23,
- WASM_OPCODE_GLOBAL_SET = 0x24,
- WASM_OPCODE_I32_STORE = 0x36,
- WASM_OPCODE_I64_STORE = 0x37,
- WASM_OPCODE_I32_CONST = 0x41,
- WASM_OPCODE_I64_CONST = 0x42,
- WASM_OPCODE_F32_CONST = 0x43,
- WASM_OPCODE_F64_CONST = 0x44,
- WASM_OPCODE_I32_ADD = 0x6a,
- WASM_OPCODE_I32_SUB = 0x6b,
- WASM_OPCODE_I32_MUL = 0x6c,
- WASM_OPCODE_I64_ADD = 0x7c,
- WASM_OPCODE_I64_SUB = 0x7d,
- WASM_OPCODE_I64_MUL = 0x7e,
- WASM_OPCODE_REF_NULL = 0xd0,
-};
-
-// Opcodes used in synthetic functions.
-enum : unsigned {
- WASM_OPCODE_BLOCK = 0x02,
- WASM_OPCODE_BR = 0x0c,
- WASM_OPCODE_BR_TABLE = 0x0e,
- WASM_OPCODE_RETURN = 0x0f,
- WASM_OPCODE_DROP = 0x1a,
- WASM_OPCODE_MISC_PREFIX = 0xfc,
- WASM_OPCODE_MEMORY_INIT = 0x08,
- WASM_OPCODE_MEMORY_FILL = 0x0b,
- WASM_OPCODE_DATA_DROP = 0x09,
- WASM_OPCODE_ATOMICS_PREFIX = 0xfe,
- WASM_OPCODE_ATOMIC_NOTIFY = 0x00,
- WASM_OPCODE_I32_ATOMIC_WAIT = 0x01,
- WASM_OPCODE_I32_ATOMIC_STORE = 0x17,
- WASM_OPCODE_I32_RMW_CMPXCHG = 0x48,
-};
-
-enum : unsigned {
- WASM_LIMITS_FLAG_NONE = 0x0,
- WASM_LIMITS_FLAG_HAS_MAX = 0x1,
- WASM_LIMITS_FLAG_IS_SHARED = 0x2,
- WASM_LIMITS_FLAG_IS_64 = 0x4,
-};
-
-enum : unsigned {
- WASM_DATA_SEGMENT_IS_PASSIVE = 0x01,
- WASM_DATA_SEGMENT_HAS_MEMINDEX = 0x02,
-};
-
-enum : unsigned {
- WASM_ELEM_SEGMENT_IS_PASSIVE = 0x01,
- WASM_ELEM_SEGMENT_HAS_TABLE_NUMBER = 0x02,
- WASM_ELEM_SEGMENT_HAS_INIT_EXPRS = 0x04,
-};
-const unsigned WASM_ELEM_SEGMENT_MASK_HAS_ELEM_KIND = 0x3;
-
-// Feature policy prefixes used in the custom "target_features" section
-enum : uint8_t {
- WASM_FEATURE_PREFIX_USED = '+',
- WASM_FEATURE_PREFIX_REQUIRED = '=',
- WASM_FEATURE_PREFIX_DISALLOWED = '-',
-};
-
-// Kind codes used in the custom "name" section
-enum : unsigned {
- WASM_NAMES_MODULE = 0,
- WASM_NAMES_FUNCTION = 1,
- WASM_NAMES_LOCAL = 2,
- WASM_NAMES_GLOBAL = 7,
- WASM_NAMES_DATA_SEGMENT = 9,
-};
-
-// Kind codes used in the custom "linking" section
-enum : unsigned {
- WASM_SEGMENT_INFO = 0x5,
- WASM_INIT_FUNCS = 0x6,
- WASM_COMDAT_INFO = 0x7,
- WASM_SYMBOL_TABLE = 0x8,
-};
-
-// Kind codes used in the custom "dylink" section
-enum : unsigned {
- WASM_DYLINK_MEM_INFO = 0x1,
- WASM_DYLINK_NEEDED = 0x2,
- WASM_DYLINK_EXPORT_INFO = 0x3,
- WASM_DYLINK_IMPORT_INFO = 0x4,
-};
-
-// Kind codes used in the custom "linking" section in the WASM_COMDAT_INFO
-enum : unsigned {
- WASM_COMDAT_DATA = 0x0,
- WASM_COMDAT_FUNCTION = 0x1,
- // GLOBAL, TAG, and TABLE are in here but LLVM doesn't use them yet.
- WASM_COMDAT_SECTION = 0x5,
-};
-
-// Kind codes used in the custom "linking" section in the WASM_SYMBOL_TABLE
-enum WasmSymbolType : unsigned {
- WASM_SYMBOL_TYPE_FUNCTION = 0x0,
- WASM_SYMBOL_TYPE_DATA = 0x1,
- WASM_SYMBOL_TYPE_GLOBAL = 0x2,
- WASM_SYMBOL_TYPE_SECTION = 0x3,
- WASM_SYMBOL_TYPE_TAG = 0x4,
- WASM_SYMBOL_TYPE_TABLE = 0x5,
-};
-
-enum WasmSegmentFlag : unsigned {
- WASM_SEG_FLAG_STRINGS = 0x1,
- WASM_SEG_FLAG_TLS = 0x2,
-};
-
-// Kinds of tag attributes.
-enum WasmTagAttribute : uint8_t {
- WASM_TAG_ATTRIBUTE_EXCEPTION = 0x0,
-};
-
-const unsigned WASM_SYMBOL_BINDING_MASK = 0x3;
-const unsigned WASM_SYMBOL_VISIBILITY_MASK = 0xc;
-
-const unsigned WASM_SYMBOL_BINDING_GLOBAL = 0x0;
-const unsigned WASM_SYMBOL_BINDING_WEAK = 0x1;
-const unsigned WASM_SYMBOL_BINDING_LOCAL = 0x2;
-const unsigned WASM_SYMBOL_VISIBILITY_DEFAULT = 0x0;
-const unsigned WASM_SYMBOL_VISIBILITY_HIDDEN = 0x4;
-const unsigned WASM_SYMBOL_UNDEFINED = 0x10;
-const unsigned WASM_SYMBOL_EXPORTED = 0x20;
-const unsigned WASM_SYMBOL_EXPLICIT_NAME = 0x40;
-const unsigned WASM_SYMBOL_NO_STRIP = 0x80;
-const unsigned WASM_SYMBOL_TLS = 0x100;
-const unsigned WASM_SYMBOL_ABSOLUTE = 0x200;
-
-#define WASM_RELOC(name, value) name = value,
-
-enum : unsigned {
-#include "WasmRelocs.def"
-};
-
-#undef WASM_RELOC
-
-// Subset of types that a value can have
-enum class ValType {
- I32 = WASM_TYPE_I32,
- I64 = WASM_TYPE_I64,
- F32 = WASM_TYPE_F32,
- F64 = WASM_TYPE_F64,
- V128 = WASM_TYPE_V128,
- FUNCREF = WASM_TYPE_FUNCREF,
- EXTERNREF = WASM_TYPE_EXTERNREF,
-};
-
struct WasmSignature {
SmallVector<ValType, 1> Returns;
SmallVector<ValType, 4> Params;
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