mirror of
https://github.com/dart-lang/sdk
synced 2024-09-05 00:13:50 +00:00
0c481a196c
Fixes https://github.com/flutter/flutter/issues/40114 Change-Id: If8d71e9c19c2e794d29f7ecbacb87457890a2fd5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/116883 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Alexander Aprelev <aam@google.com>
87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#ifndef RUNTIME_VM_ELF_H_
|
|
#define RUNTIME_VM_ELF_H_
|
|
|
|
#include "vm/allocation.h"
|
|
#include "vm/compiler/runtime_api.h"
|
|
#include "vm/datastream.h"
|
|
#include "vm/growable_array.h"
|
|
#include "vm/zone.h"
|
|
|
|
namespace dart {
|
|
|
|
class DynamicTable;
|
|
class Section;
|
|
class StringTable;
|
|
class Symbol;
|
|
class SymbolTable;
|
|
|
|
class Elf : public ZoneAllocated {
|
|
public:
|
|
Elf(Zone* zone, StreamingWriteStream* stream);
|
|
|
|
intptr_t NextMemoryOffset();
|
|
intptr_t AddText(const char* name, const uint8_t* bytes, intptr_t size);
|
|
intptr_t AddROData(const char* name, const uint8_t* bytes, intptr_t size);
|
|
void AddDebug(const char* name, const uint8_t* bytes, intptr_t size);
|
|
|
|
void Finalize();
|
|
|
|
intptr_t position() const { return stream_->position(); }
|
|
void WriteBytes(const uint8_t* b, intptr_t size) {
|
|
stream_->WriteBytes(b, size);
|
|
}
|
|
void WriteByte(uint8_t value) {
|
|
stream_->WriteBytes(reinterpret_cast<uint8_t*>(&value), sizeof(value));
|
|
}
|
|
void WriteHalf(uint16_t value) {
|
|
stream_->WriteBytes(reinterpret_cast<uint8_t*>(&value), sizeof(value));
|
|
}
|
|
void WriteWord(uint32_t value) {
|
|
stream_->WriteBytes(reinterpret_cast<uint8_t*>(&value), sizeof(value));
|
|
}
|
|
void WriteAddr(compiler::target::uword value) {
|
|
stream_->WriteBytes(reinterpret_cast<uint8_t*>(&value), sizeof(value));
|
|
}
|
|
void WriteOff(compiler::target::uword value) {
|
|
stream_->WriteBytes(reinterpret_cast<uint8_t*>(&value), sizeof(value));
|
|
}
|
|
#if defined(TARGET_ARCH_IS_64_BIT)
|
|
void WriteXWord(uint64_t value) {
|
|
stream_->WriteBytes(reinterpret_cast<uint8_t*>(&value), sizeof(value));
|
|
}
|
|
#endif
|
|
|
|
private:
|
|
void AddSection(Section* section);
|
|
void AddSegment(Section* section);
|
|
|
|
void ComputeFileOffsets();
|
|
void WriteHeader();
|
|
void WriteSectionTable();
|
|
void WriteProgramTable();
|
|
void WriteSections();
|
|
|
|
Zone* const zone_;
|
|
StreamingWriteStream* stream_;
|
|
GrowableArray<Section*> sections_;
|
|
GrowableArray<Section*> segments_;
|
|
|
|
intptr_t memory_offset_;
|
|
intptr_t section_table_file_offset_;
|
|
intptr_t section_table_file_size_;
|
|
intptr_t program_table_file_offset_;
|
|
intptr_t program_table_file_size_;
|
|
StringTable* shstrtab_;
|
|
StringTable* symstrtab_;
|
|
SymbolTable* symtab_;
|
|
DynamicTable* dynamic_;
|
|
};
|
|
|
|
} // namespace dart
|
|
|
|
#endif // RUNTIME_VM_ELF_H_
|