LLVM: lib/Object/WasmObjectFile.cpp File Reference

LLVM 18.0.0git

#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/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 "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 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 33 of file WasmObjectFile.cpp.

◆ VARINT7_MAX

#define VARINT7_MAX ((1 << 7) - 1)

Definition at line 76 of file WasmObjectFile.cpp.

◆ VARINT7_MIN

#define VARINT7_MIN (-(1 << 7))

Definition at line 77 of file WasmObjectFile.cpp.

◆ VARUINT1_MAX

#define VARUINT1_MAX (1)

Definition at line 79 of file WasmObjectFile.cpp.

◆ VARUINT7_MAX

#define VARUINT7_MAX (1 << 7)

Definition at line 78 of file WasmObjectFile.cpp.

◆ WASM_RELOC

#define WASM_RELOC	(		name,
			value
	)

Value:

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

Function Documentation

◆ readFloat32()

static int32_t readFloat32 ( WasmObjectFile::ReadContext & Ctx )

static

Definition at line 95 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 104 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 176 of file WasmObjectFile.cpp.

References llvm::wasm::WasmInitExpr::Body, llvm::wasm::WasmInitExpr::Extended, llvm::wasm::EXTERNREF, 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, Opcode, llvm::object::parse_failed, llvm::object::WasmObjectFile::ReadContext::Ptr, readFloat32(), readFloat64(), readOpcode(), readULEB128(), readVarint32(), readVarint64(), llvm::Error::success(), llvm::wasm::WasmInitExprMVP::Value, llvm::wasm::WASM_OPCODE_END, llvm::wasm::WASM_OPCODE_F32_CONST, llvm::wasm::WASM_OPCODE_F64_CONST, 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, and llvm::wasm::WASM_OPCODE_REF_NULL.

◆ readLEB128()

static int64_t readLEB128 ( WasmObjectFile::ReadContext & Ctx )

static

Definition at line 133 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 250 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 172 of file WasmObjectFile.cpp.

References readUint8().

Referenced by readInitExpr().

◆ readSection()

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

static

Definition at line 266 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 123 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 259 of file WasmObjectFile.cpp.

References llvm::wasm::WasmTableType::ElemType, llvm::wasm::WasmTableType::Limits, readLimits(), and readUint8().

◆ readUint32()

static uint32_t readUint32 ( WasmObjectFile::ReadContext & Ctx )

static

Definition at line 87 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 81 of file WasmObjectFile.cpp.

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

Referenced by readOpcode(), readSection(), and readTableType().

◆ readULEB128()

static uint64_t readULEB128 ( WasmObjectFile::ReadContext & Ctx )

static

Definition at line 113 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 150 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 164 of file WasmObjectFile.cpp.

References readLEB128().

Referenced by readInitExpr().

◆ readVaruint1()

static uint8_t readVaruint1 ( WasmObjectFile::ReadContext & Ctx )

static

Definition at line 143 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 157 of file WasmObjectFile.cpp.

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

Referenced by readLimits(), and readSection().

◆ readVaruint64()

static uint64_t readVaruint64 ( WasmObjectFile::ReadContext & Ctx )

static

Definition at line 168 of file WasmObjectFile.cpp.

References readULEB128().

Referenced by readLimits().