File: OutputSegment.h

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (53 lines) | stat: -rw-r--r-- 1,377 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
//===- OutputSegment.h ------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLD_WASM_OUTPUT_SEGMENT_H
#define LLD_WASM_OUTPUT_SEGMENT_H

#include "InputChunks.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 *inSeg) {
    alignment = std::max(alignment, inSeg->getAlignment());
    inputSegments.push_back(inSeg);
    size = llvm::alignTo(size, 1ULL << inSeg->getAlignment());
    inSeg->outputSeg = this;
    inSeg->outputSegmentOffset = size;
    size += inSeg->getSize();
  }

  StringRef name;
  bool isBss = false;
  uint32_t index = 0;
  uint32_t initFlags = 0;
  uint32_t sectionOffset = 0;
  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;
};

} // namespace wasm
} // namespace lld

#endif // LLD_WASM_OUTPUT_SEGMENT_H