WasmObjectFile.cpp File Reference

#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/BinaryFormat/Wasm.h"
#include "llvm/Object/Binary.h"
#include "llvm/Object/Error.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Object/SymbolicFile.h"
#include "llvm/Object/Wasm.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/LEB128.h"
#include "llvm/Support/ScopedPrinter.h"
#include "llvm/TargetParser/SubtargetFeature.h"
#include "llvm/TargetParser/Triple.h"
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <cstring>
#include <limits>
#include "llvm/BinaryFormat/WasmRelocs.def"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "wasm-object"
#define	VARINT7_MAX   ((1 << 7) - 1)
#define	VARINT7_MIN   (-(1 << 7))
#define	VARUINT7_MAX   (1 << 7)
#define	VARUINT1_MAX   (1)
#define	WASM_RELOC(name, value)

Functions
static uint8_t	readUint8 (WasmObjectFile::ReadContext &Ctx)
static uint32_t	readUint32 (WasmObjectFile::ReadContext &Ctx)
static int32_t	readFloat32 (WasmObjectFile::ReadContext &Ctx)
static int64_t	readFloat64 (WasmObjectFile::ReadContext &Ctx)
static uint64_t	readULEB128 (WasmObjectFile::ReadContext &Ctx)
static StringRef	readString (WasmObjectFile::ReadContext &Ctx)
static int64_t	readLEB128 (WasmObjectFile::ReadContext &Ctx)
static uint8_t	readVaruint1 (WasmObjectFile::ReadContext &Ctx)
static int32_t	readVarint32 (WasmObjectFile::ReadContext &Ctx)
static uint32_t	readVaruint32 (WasmObjectFile::ReadContext &Ctx)
static int64_t	readVarint64 (WasmObjectFile::ReadContext &Ctx)
static uint64_t	readVaruint64 (WasmObjectFile::ReadContext &Ctx)
static uint8_t	readOpcode (WasmObjectFile::ReadContext &Ctx)
static wasm::ValType	parseValType (WasmObjectFile::ReadContext &Ctx, uint32_t Code)
static Error	readInitExpr (wasm::WasmInitExpr &Expr, WasmObjectFile::ReadContext &Ctx)
static wasm::WasmLimits	readLimits (WasmObjectFile::ReadContext &Ctx)
static wasm::WasmTableType	readTableType (WasmObjectFile::ReadContext &Ctx)
static Error	readSection (WasmSection &Section, WasmObjectFile::ReadContext &Ctx, WasmSectionOrderChecker &Checker)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "wasm-object"

Definition at line 35 of file WasmObjectFile.cpp.

VARINT7_MAX

#define VARINT7_MAX   ((1 << 7) - 1)

Definition at line 78 of file WasmObjectFile.cpp.

VARINT7_MIN

#define VARINT7_MIN   (-(1 << 7))

Definition at line 79 of file WasmObjectFile.cpp.

VARUINT1_MAX

#define VARUINT1_MAX   (1)

Definition at line 81 of file WasmObjectFile.cpp.

VARUINT7_MAX

#define VARUINT7_MAX   (1 << 7)

Definition at line 80 of file WasmObjectFile.cpp.

WASM_RELOC

#define WASM_RELOC	(		name,
			value
	)

Value:

  case wasm::name:                                                             \
    Res = #name;                                                               \
    break;

Function Documentation

parseValType()

static wasm::ValType parseValType ( WasmObjectFile::ReadContext &  Ctx, uint32_t  Code  )

static

Definition at line 178 of file WasmObjectFile.cpp.

References llvm::wasm::OTHERREF, readVarint64(), llvm::wasm::WASM_TYPE_EXNREF, llvm::wasm::WASM_TYPE_EXTERNREF, llvm::wasm::WASM_TYPE_F32, llvm::wasm::WASM_TYPE_F64, llvm::wasm::WASM_TYPE_FUNCREF, llvm::wasm::WASM_TYPE_I32, llvm::wasm::WASM_TYPE_I64, llvm::wasm::WASM_TYPE_NONNULLABLE, llvm::wasm::WASM_TYPE_NULLABLE, and llvm::wasm::WASM_TYPE_V128.

Referenced by readInitExpr(), and readTableType().

readFloat32()

static int32_t readFloat32 ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 97 of file WasmObjectFile.cpp.

References llvm::object::WasmObjectFile::ReadContext::End, llvm::object::WasmObjectFile::ReadContext::Ptr, and llvm::report_fatal_error().

Referenced by readInitExpr().

readFloat64()

static int64_t readFloat64 ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 106 of file WasmObjectFile.cpp.

References llvm::object::WasmObjectFile::ReadContext::End, llvm::object::WasmObjectFile::ReadContext::Ptr, and llvm::report_fatal_error().

Referenced by readInitExpr().

readInitExpr()

static Error readInitExpr ( wasm::WasmInitExpr &  Expr, WasmObjectFile::ReadContext &  Ctx  )

static

Definition at line 199 of file WasmObjectFile.cpp.

References llvm::wasm::WasmInitExpr::Body, llvm::wasm::WasmInitExpr::Extended, llvm::wasm::WasmInitExprMVP::Float32, llvm::wasm::WasmInitExprMVP::Float64, llvm::wasm::WasmInitExprMVP::Global, llvm::wasm::WasmInitExpr::Inst, llvm::wasm::WasmInitExprMVP::Int32, llvm::wasm::WasmInitExprMVP::Int64, llvm::wasm::WasmInitExprMVP::Opcode, llvm::object::parse_failed, parseValType(), llvm::object::WasmObjectFile::ReadContext::Ptr, readFloat32(), readFloat64(), readOpcode(), readULEB128(), readVarint32(), readVarint64(), readVaruint32(), llvm::Error::success(), llvm::wasm::WasmInitExprMVP::Value, llvm::wasm::WASM_OPCODE_ARRAY_NEW, llvm::wasm::WASM_OPCODE_ARRAY_NEW_DEFAULT, llvm::wasm::WASM_OPCODE_ARRAY_NEW_FIXED, llvm::wasm::WASM_OPCODE_END, llvm::wasm::WASM_OPCODE_F32_CONST, llvm::wasm::WASM_OPCODE_F64_CONST, llvm::wasm::WASM_OPCODE_GC_PREFIX, llvm::wasm::WASM_OPCODE_GLOBAL_GET, llvm::wasm::WASM_OPCODE_I32_ADD, llvm::wasm::WASM_OPCODE_I32_CONST, llvm::wasm::WASM_OPCODE_I32_MUL, llvm::wasm::WASM_OPCODE_I32_SUB, llvm::wasm::WASM_OPCODE_I64_ADD, llvm::wasm::WASM_OPCODE_I64_CONST, llvm::wasm::WASM_OPCODE_I64_MUL, llvm::wasm::WASM_OPCODE_I64_SUB, llvm::wasm::WASM_OPCODE_REF_FUNC, llvm::wasm::WASM_OPCODE_REF_I31, llvm::wasm::WASM_OPCODE_REF_NULL, llvm::wasm::WASM_OPCODE_STRUCT_NEW, and llvm::wasm::WASM_OPCODE_STRUCT_NEW_DEFAULT.

readLEB128()

static int64_t readLEB128 ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 135 of file WasmObjectFile.cpp.

References llvm::decodeSLEB128(), llvm::object::WasmObjectFile::ReadContext::End, llvm::object::WasmObjectFile::ReadContext::Ptr, and llvm::report_fatal_error().

Referenced by readVarint32(), readVarint64(), and readVaruint1().

readLimits()

static wasm::WasmLimits readLimits ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 291 of file WasmObjectFile.cpp.

References readVaruint32(), readVaruint64(), and llvm::wasm::WASM_LIMITS_FLAG_HAS_MAX.

Referenced by readTableType().

readOpcode()

static uint8_t readOpcode ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 174 of file WasmObjectFile.cpp.

References readUint8().

Referenced by readInitExpr().

readSection()

static Error readSection ( WasmSection &  Section, WasmObjectFile::ReadContext &  Ctx, WasmSectionOrderChecker &  Checker  )

static

Definition at line 308 of file WasmObjectFile.cpp.

References llvm::dbgs(), llvm::object::WasmObjectFile::ReadContext::End, llvm::object::WasmSectionOrderChecker::isValidSectionOrder(), LLVM_DEBUG, llvm::object::parse_failed, llvm::object::WasmObjectFile::ReadContext::Ptr, readString(), readUint8(), readVaruint32(), Size, llvm::object::WasmObjectFile::ReadContext::Start, llvm::Error::success(), llvm::to_string(), and llvm::wasm::WASM_SEC_CUSTOM.

Referenced by llvm::object::WasmObjectFile::WasmObjectFile().

readString()

static StringRef readString ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 125 of file WasmObjectFile.cpp.

References llvm::object::WasmObjectFile::ReadContext::End, llvm::object::WasmObjectFile::ReadContext::Ptr, readULEB128(), and llvm::report_fatal_error().

Referenced by readSection().

readTableType()

static wasm::WasmTableType readTableType ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 300 of file WasmObjectFile.cpp.

References llvm::wasm::WasmTableType::ElemType, llvm::wasm::WasmTableType::Limits, parseValType(), readLimits(), and readVaruint32().

readUint32()

static uint32_t readUint32 ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 89 of file WasmObjectFile.cpp.

References llvm::object::WasmObjectFile::ReadContext::End, llvm::object::WasmObjectFile::ReadContext::Ptr, llvm::support::endian::read32le(), and llvm::report_fatal_error().

Referenced by llvm::object::WasmObjectFile::WasmObjectFile().

readUint8()

static uint8_t readUint8 ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 83 of file WasmObjectFile.cpp.

References llvm::object::WasmObjectFile::ReadContext::End, llvm::object::WasmObjectFile::ReadContext::Ptr, and llvm::report_fatal_error().

Referenced by readOpcode(), and readSection().

readULEB128()

static uint64_t readULEB128 ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 115 of file WasmObjectFile.cpp.

References llvm::decodeULEB128(), llvm::object::WasmObjectFile::ReadContext::End, llvm::object::WasmObjectFile::ReadContext::Ptr, and llvm::report_fatal_error().

Referenced by readInitExpr(), readString(), readVaruint32(), and readVaruint64().

readVarint32()

static int32_t readVarint32 ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 152 of file WasmObjectFile.cpp.

References readLEB128(), and llvm::report_fatal_error().

Referenced by readInitExpr().

readVarint64()

static int64_t readVarint64 ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 166 of file WasmObjectFile.cpp.

References readLEB128().

Referenced by parseValType(), and readInitExpr().

readVaruint1()

static uint8_t readVaruint1 ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 145 of file WasmObjectFile.cpp.

References readLEB128(), llvm::report_fatal_error(), and VARUINT1_MAX.

readVaruint32()

static uint32_t readVaruint32 ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 159 of file WasmObjectFile.cpp.

References readULEB128(), and llvm::report_fatal_error().

Referenced by readInitExpr(), readLimits(), readSection(), and readTableType().

readVaruint64()

static uint64_t readVaruint64 ( WasmObjectFile::ReadContext &  Ctx )

static

Definition at line 170 of file WasmObjectFile.cpp.

References readULEB128().

Referenced by readLimits().