llvm-project/lld/wasm/OutputSegment.h

57 lines
1.4 KiB
C++

//===- OutputSegment.h ------------------------------------------*- C++ -*-===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLD_WASM_OUTPUT_SEGMENT_H
#define LLD_WASM_OUTPUT_SEGMENT_H
#include "InputSegment.h"
#include "lld/Common/ErrorHandler.h"
#include "llvm/Object/Wasm.h"
namespace lld {
namespace wasm {
class InputSegment;
class OutputSegment {
public:
OutputSegment(StringRef N) : Name(N) {}
void addInputSegment(InputSegment *Segment) {
Alignment = std::max(Alignment, Segment->getAlignment());
InputSegments.push_back(Segment);
Size = llvm::alignTo(Size, Segment->getAlignment());
Segment->setOutputSegment(this, Size);
Size += Segment->getSize();
}
uint32_t getSectionOffset() const { return SectionOffset; }
void setSectionOffset(uint32_t Offset) { SectionOffset = Offset; }
StringRef Name;
uint32_t Alignment = 0;
uint32_t StartVA = 0;
std::vector<InputSegment *> InputSegments;
// Sum of the size of the all the input segments
uint32_t Size = 0;
// Segment header
std::string Header;
private:
uint32_t SectionOffset = 0;
};
} // namespace wasm
} // namespace lld
#endif // LLD_WASM_OUTPUT_SEGMENT_H