ELFSectionBits.hxx revision ee6cdb95525abc8c7766798148302306a100b774 
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_BITS_HXX
18#define ELF_SECTION_BITS_HXX
19
20#include "utils/flush_cpu_cache.h"
21#include "utils/helper.h"
22
23#include <llvm/Support/raw_ostream.h>
24
25#include <sys/mman.h>
26
27template <unsigned Bitwidth>
28inline void ELFSectionBits<Bitwidth>::print() const {
29  using namespace llvm;
30
31  char const *section_type_str =
32    (sh->getType() == SHT_NOBITS) ? "NOBITS" : "PROGBITS";
33
34  out() << '\n' << fillformat('=', 79) << '\n';
35  out().changeColor(raw_ostream::WHITE, true);
36  out() << "ELF " << section_type_str << ": " << sh->getName() << '\n';
37  out().resetColor();
38  out() << fillformat('-', 79) << '\n';
39
40  out() << "  Size         : " << sh->getSize() << '\n';
41  out() << "  Start Address: " << (void *)chunk.getBuffer() << '\n';
42  out() << fillformat('-', 79) << '\n';
43
44  chunk.print();
45
46  out() << fillformat('=', 79) << '\n';
47}
48
49template <unsigned Bitwidth>
50inline bool ELFSectionBits<Bitwidth>::protect() {
51  int prot = PROT_READ;
52
53  if (sh->getFlags() & SHF_WRITE) {
54    prot |= PROT_WRITE;
55  }
56
57  if (sh->getFlags() & SHF_EXECINSTR) {
58    prot |= PROT_EXEC;
59  }
60
61  return chunk.protect(prot);
62}
63
64#endif // ELF_SECTION_BITS_HXX
65