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https://github.com/capstone-engine/llvm-capstone.git
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21143b93a6
Summary: This was always the intended behavior, but had not been implemented. This ordering is important for Emscripten when generating .mem files while compiling to JS, since only zeros at the end of initialized memory can be dropped. Fixes https://github.com/emscripten-core/emscripten/issues/8999 Reviewers: sbc100 Subscribers: dschuff, jgravelle-google, aheejin, sunfish, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D67736 llvm-svn: 372284
53 lines
1.3 KiB
C++
53 lines
1.3 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(InputSegment *inSeg) {
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alignment = std::max(alignment, inSeg->getAlignment());
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inputSegments.push_back(inSeg);
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size = llvm::alignTo(size, 1ULL << inSeg->getAlignment());
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inSeg->outputSeg = this;
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inSeg->outputSegmentOffset = size;
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size += inSeg->getSize();
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}
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StringRef name;
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uint32_t index = 0;
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uint32_t initFlags = 0;
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uint32_t sectionOffset = 0;
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uint32_t alignment = 0;
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uint32_t startVA = 0;
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std::vector<InputSegment *> 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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