1/*
2 * Copyright 2011, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ELF_SECTION_PROGBITS_H
18#define ELF_SECTION_PROGBITS_H
19
20#include "ELFTypes.h"
21#include "ELFSectionBits.h"
22#include "ELFSectionHeader.h"
23#include "MemChunk.h"
24#include "StubLayout.h"
25
26template <unsigned Bitwidth>
27class ELFSectionProgBits : public ELFSectionBits<Bitwidth> {
28public:
29  ELF_TYPE_INTRO_TO_TEMPLATE_SCOPE(Bitwidth);
30
31private:
32  StubLayout *stubs;
33
34public:
35  template <typename Archiver>
36  static ELFSectionProgBits *read(Archiver &AR,
37                                  ELFObjectTy *owner,
38                                  ELFSectionHeaderTy const *sh);
39
40  StubLayout *getStubLayout() {
41    return stubs;
42  }
43
44  ELFSectionProgBits(int machine) {
45    switch(machine) {
46    case EM_ARM:
47        stubs = new StubLayoutARM();
48      break;
49
50    case EM_MIPS:
51        stubs = new StubLayoutMIPS();
52      break;
53
54    default:
55        stubs = NULL;
56    }
57  }
58
59  ~ELFSectionProgBits() {
60    if (stubs)
61      delete stubs;
62  }
63
64private:
65  template <typename Archiver>
66  bool serialize(Archiver &AR) {
67    ELFSectionHeaderTy const *sh = this->sh;
68    MemChunk &chunk = this->chunk;
69
70    AR.seek(sh->getOffset(), true);
71    AR.prologue(sh->getSize());
72    AR.readBytes(chunk.getBuffer(), sh->getSize());
73    AR.epilogue(sh->getSize());
74
75    return AR;
76  }
77};
78
79#include "impl/ELFSectionProgBits.hxx"
80
81#endif // ELF_SECTION_PROGBITS_H
82