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-rw-r--r--include/llvm/CodeGen/BinaryObject.h353
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diff --git a/include/llvm/CodeGen/BinaryObject.h b/include/llvm/CodeGen/BinaryObject.h
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--- a/include/llvm/CodeGen/BinaryObject.h
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-//===-- llvm/CodeGen/BinaryObject.h - Binary Object. -----------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines a Binary Object Aka. "blob" for holding data from code
-// generators, ready for data to the object module code writters.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CODEGEN_BINARYOBJECT_H
-#define LLVM_CODEGEN_BINARYOBJECT_H
-
-#include "llvm/CodeGen/MachineRelocation.h"
-#include "llvm/Support/DataTypes.h"
-
-#include <string>
-#include <vector>
-
-namespace llvm {
-
-typedef std::vector<uint8_t> BinaryData;
-
-class BinaryObject {
-protected:
- std::string Name;
- bool IsLittleEndian;
- bool Is64Bit;
- BinaryData Data;
- std::vector<MachineRelocation> Relocations;
-
-public:
- /// Constructors and destructor
- BinaryObject() {}
-
- BinaryObject(bool isLittleEndian, bool is64Bit)
- : IsLittleEndian(isLittleEndian), Is64Bit(is64Bit) {}
-
- BinaryObject(const std::string &name, bool isLittleEndian, bool is64Bit)
- : Name(name), IsLittleEndian(isLittleEndian), Is64Bit(is64Bit) {}
-
- ~BinaryObject() {}
-
- /// getName - get name of BinaryObject
- inline std::string getName() const { return Name; }
-
- /// get size of binary data
- size_t size() const {
- return Data.size();
- }
-
- /// get binary data
- BinaryData& getData() {
- return Data;
- }
-
- /// get machine relocations
- const std::vector<MachineRelocation>& getRelocations() const {
- return Relocations;
- }
-
- /// hasRelocations - Return true if 'Relocations' is not empty
- bool hasRelocations() const {
- return !Relocations.empty();
- }
-
- /// emitZeros - This callback is invoked to emit a arbitrary number
- /// of zero bytes to the data stream.
- inline void emitZeros(unsigned Size) {
- for (unsigned i=0; i < Size; ++i)
- emitByte(0);
- }
-
- /// emitByte - This callback is invoked when a byte needs to be
- /// written to the data stream.
- inline void emitByte(uint8_t B) {
- Data.push_back(B);
- }
-
- /// emitWord16 - This callback is invoked when a 16-bit word needs to be
- /// written to the data stream in correct endian format and correct size.
- inline void emitWord16(uint16_t W) {
- if (IsLittleEndian)
- emitWord16LE(W);
- else
- emitWord16BE(W);
- }
-
- /// emitWord16LE - This callback is invoked when a 16-bit word needs to be
- /// written to the data stream in correct endian format and correct size.
- inline void emitWord16LE(uint16_t W) {
- Data.push_back((uint8_t)(W >> 0));
- Data.push_back((uint8_t)(W >> 8));
- }
-
- /// emitWord16BE - This callback is invoked when a 16-bit word needs to be
- /// written to the data stream in correct endian format and correct size.
- inline void emitWord16BE(uint16_t W) {
- Data.push_back((uint8_t)(W >> 8));
- Data.push_back((uint8_t)(W >> 0));
- }
-
- /// emitWord - This callback is invoked when a word needs to be
- /// written to the data stream in correct endian format and correct size.
- inline void emitWord(uint64_t W) {
- if (!Is64Bit)
- emitWord32(W);
- else
- emitWord64(W);
- }
-
- /// emitWord32 - This callback is invoked when a 32-bit word needs to be
- /// written to the data stream in correct endian format.
- inline void emitWord32(uint32_t W) {
- if (IsLittleEndian)
- emitWordLE(W);
- else
- emitWordBE(W);
- }
-
- /// emitWord64 - This callback is invoked when a 32-bit word needs to be
- /// written to the data stream in correct endian format.
- inline void emitWord64(uint64_t W) {
- if (IsLittleEndian)
- emitDWordLE(W);
- else
- emitDWordBE(W);
- }
-
- /// emitWord64 - This callback is invoked when a x86_fp80 needs to be
- /// written to the data stream in correct endian format.
- inline void emitWordFP80(const uint64_t *W, unsigned PadSize) {
- if (IsLittleEndian) {
- emitWord64(W[0]);
- emitWord16(W[1]);
- } else {
- emitWord16(W[1]);
- emitWord64(W[0]);
- }
- emitZeros(PadSize);
- }
-
- /// emitWordLE - This callback is invoked when a 32-bit word needs to be
- /// written to the data stream in little-endian format.
- inline void emitWordLE(uint32_t W) {
- Data.push_back((uint8_t)(W >> 0));
- Data.push_back((uint8_t)(W >> 8));
- Data.push_back((uint8_t)(W >> 16));
- Data.push_back((uint8_t)(W >> 24));
- }
-
- /// emitWordBE - This callback is invoked when a 32-bit word needs to be
- /// written to the data stream in big-endian format.
- ///
- inline void emitWordBE(uint32_t W) {
- Data.push_back((uint8_t)(W >> 24));
- Data.push_back((uint8_t)(W >> 16));
- Data.push_back((uint8_t)(W >> 8));
- Data.push_back((uint8_t)(W >> 0));
- }
-
- /// emitDWordLE - This callback is invoked when a 64-bit word needs to be
- /// written to the data stream in little-endian format.
- inline void emitDWordLE(uint64_t W) {
- Data.push_back((uint8_t)(W >> 0));
- Data.push_back((uint8_t)(W >> 8));
- Data.push_back((uint8_t)(W >> 16));
- Data.push_back((uint8_t)(W >> 24));
- Data.push_back((uint8_t)(W >> 32));
- Data.push_back((uint8_t)(W >> 40));
- Data.push_back((uint8_t)(W >> 48));
- Data.push_back((uint8_t)(W >> 56));
- }
-
- /// emitDWordBE - This callback is invoked when a 64-bit word needs to be
- /// written to the data stream in big-endian format.
- inline void emitDWordBE(uint64_t W) {
- Data.push_back((uint8_t)(W >> 56));
- Data.push_back((uint8_t)(W >> 48));
- Data.push_back((uint8_t)(W >> 40));
- Data.push_back((uint8_t)(W >> 32));
- Data.push_back((uint8_t)(W >> 24));
- Data.push_back((uint8_t)(W >> 16));
- Data.push_back((uint8_t)(W >> 8));
- Data.push_back((uint8_t)(W >> 0));
- }
-
- /// fixByte - This callback is invoked when a byte needs to be
- /// fixup the buffer.
- inline void fixByte(uint8_t B, uint32_t offset) {
- Data[offset] = B;
- }
-
- /// fixWord16 - This callback is invoked when a 16-bit word needs to
- /// fixup the data stream in correct endian format.
- inline void fixWord16(uint16_t W, uint32_t offset) {
- if (IsLittleEndian)
- fixWord16LE(W, offset);
- else
- fixWord16BE(W, offset);
- }
-
- /// emitWord16LE - This callback is invoked when a 16-bit word needs to
- /// fixup the data stream in little endian format.
- inline void fixWord16LE(uint16_t W, uint32_t offset) {
- Data[offset] = (uint8_t)(W >> 0);
- Data[++offset] = (uint8_t)(W >> 8);
- }
-
- /// fixWord16BE - This callback is invoked when a 16-bit word needs to
- /// fixup data stream in big endian format.
- inline void fixWord16BE(uint16_t W, uint32_t offset) {
- Data[offset] = (uint8_t)(W >> 8);
- Data[++offset] = (uint8_t)(W >> 0);
- }
-
- /// emitWord - This callback is invoked when a word needs to
- /// fixup the data in correct endian format and correct size.
- inline void fixWord(uint64_t W, uint32_t offset) {
- if (!Is64Bit)
- fixWord32(W, offset);
- else
- fixWord64(W, offset);
- }
-
- /// fixWord32 - This callback is invoked when a 32-bit word needs to
- /// fixup the data in correct endian format.
- inline void fixWord32(uint32_t W, uint32_t offset) {
- if (IsLittleEndian)
- fixWord32LE(W, offset);
- else
- fixWord32BE(W, offset);
- }
-
- /// fixWord32LE - This callback is invoked when a 32-bit word needs to
- /// fixup the data in little endian format.
- inline void fixWord32LE(uint32_t W, uint32_t offset) {
- Data[offset] = (uint8_t)(W >> 0);
- Data[++offset] = (uint8_t)(W >> 8);
- Data[++offset] = (uint8_t)(W >> 16);
- Data[++offset] = (uint8_t)(W >> 24);
- }
-
- /// fixWord32BE - This callback is invoked when a 32-bit word needs to
- /// fixup the data in big endian format.
- inline void fixWord32BE(uint32_t W, uint32_t offset) {
- Data[offset] = (uint8_t)(W >> 24);
- Data[++offset] = (uint8_t)(W >> 16);
- Data[++offset] = (uint8_t)(W >> 8);
- Data[++offset] = (uint8_t)(W >> 0);
- }
-
- /// fixWord64 - This callback is invoked when a 64-bit word needs to
- /// fixup the data in correct endian format.
- inline void fixWord64(uint64_t W, uint32_t offset) {
- if (IsLittleEndian)
- fixWord64LE(W, offset);
- else
- fixWord64BE(W, offset);
- }
-
- /// fixWord64BE - This callback is invoked when a 64-bit word needs to
- /// fixup the data in little endian format.
- inline void fixWord64LE(uint64_t W, uint32_t offset) {
- Data[offset] = (uint8_t)(W >> 0);
- Data[++offset] = (uint8_t)(W >> 8);
- Data[++offset] = (uint8_t)(W >> 16);
- Data[++offset] = (uint8_t)(W >> 24);
- Data[++offset] = (uint8_t)(W >> 32);
- Data[++offset] = (uint8_t)(W >> 40);
- Data[++offset] = (uint8_t)(W >> 48);
- Data[++offset] = (uint8_t)(W >> 56);
- }
-
- /// fixWord64BE - This callback is invoked when a 64-bit word needs to
- /// fixup the data in big endian format.
- inline void fixWord64BE(uint64_t W, uint32_t offset) {
- Data[offset] = (uint8_t)(W >> 56);
- Data[++offset] = (uint8_t)(W >> 48);
- Data[++offset] = (uint8_t)(W >> 40);
- Data[++offset] = (uint8_t)(W >> 32);
- Data[++offset] = (uint8_t)(W >> 24);
- Data[++offset] = (uint8_t)(W >> 16);
- Data[++offset] = (uint8_t)(W >> 8);
- Data[++offset] = (uint8_t)(W >> 0);
- }
-
- /// emitAlignment - Pad the data to the specified alignment.
- void emitAlignment(unsigned Alignment, uint8_t fill = 0) {
- if (Alignment <= 1) return;
- unsigned PadSize = -Data.size() & (Alignment-1);
- for (unsigned i = 0; i<PadSize; ++i)
- Data.push_back(fill);
- }
-
- /// emitULEB128Bytes - This callback is invoked when a ULEB128 needs to be
- /// written to the data stream.
- void emitULEB128Bytes(uint64_t Value) {
- do {
- uint8_t Byte = (uint8_t)(Value & 0x7f);
- Value >>= 7;
- if (Value) Byte |= 0x80;
- emitByte(Byte);
- } while (Value);
- }
-
- /// emitSLEB128Bytes - This callback is invoked when a SLEB128 needs to be
- /// written to the data stream.
- void emitSLEB128Bytes(int64_t Value) {
- int Sign = Value >> (8 * sizeof(Value) - 1);
- bool IsMore;
-
- do {
- uint8_t Byte = (uint8_t)(Value & 0x7f);
- Value >>= 7;
- IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0;
- if (IsMore) Byte |= 0x80;
- emitByte(Byte);
- } while (IsMore);
- }
-
- /// emitString - This callback is invoked when a String needs to be
- /// written to the data stream.
- void emitString(const std::string &String) {
- for (unsigned i = 0, N = static_cast<unsigned>(String.size()); i<N; ++i) {
- unsigned char C = String[i];
- emitByte(C);
- }
- emitByte(0);
- }
-
- /// getCurrentPCOffset - Return the offset from the start of the emitted
- /// buffer that we are currently writing to.
- uintptr_t getCurrentPCOffset() const {
- return Data.size();
- }
-
- /// addRelocation - Whenever a relocatable address is needed, it should be
- /// noted with this interface.
- void addRelocation(const MachineRelocation& relocation) {
- Relocations.push_back(relocation);
- }
-
-};
-
-} // end namespace llvm
-
-#endif
-
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