cfe77f23d6
I intend to slowly upgrade all alignments to the Align type in lld as well. Some places talk about alignment in Bytes while other specify them as Log2(Bytes). Let's make sure all of this is coherent. Differential Revision: https://reviews.llvm.org/D139181
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
//===- OutputSegment.h ------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLD_WASM_OUTPUT_SEGMENT_H
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#define LLD_WASM_OUTPUT_SEGMENT_H
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#include "InputChunks.h"
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#include "lld/Common/ErrorHandler.h"
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#include "llvm/Object/Wasm.h"
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namespace lld {
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namespace wasm {
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class InputSegment;
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class OutputSegment {
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public:
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OutputSegment(StringRef n) : name(n) {}
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void addInputSegment(InputChunk *inSeg);
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void finalizeInputSegments();
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// In most circumstances BSS segments don't need to be written
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// to the output binary. However if the memory is imported, and
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// we can't use memory.fill during startup (due to lack of bulk
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// memory feature) then we include BSS segments verbatim.
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bool requiredInBinary() const { return !isBss || config->emitBssSegments; }
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bool isTLS() const { return name == ".tdata"; }
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StringRef name;
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bool isBss = false;
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uint32_t index = 0;
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uint32_t linkingFlags = 0;
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uint32_t initFlags = 0;
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uint32_t sectionOffset = 0;
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llvm::Align alignment;
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uint64_t startVA = 0;
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std::vector<InputChunk *> inputSegments;
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// Sum of the size of the all the input segments
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uint32_t size = 0;
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// Segment header
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std::string header;
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};
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} // namespace wasm
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} // namespace lld
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#endif // LLD_WASM_OUTPUT_SEGMENT_H
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