1 | // Copyright (c) 2012, Google Inc. |
2 | // All rights reserved. |
3 | // |
4 | // Redistribution and use in source and binary forms, with or without |
5 | // modification, are permitted provided that the following conditions are |
6 | // met: |
7 | // |
8 | // * Redistributions of source code must retain the above copyright |
9 | // notice, this list of conditions and the following disclaimer. |
10 | // * Redistributions in binary form must reproduce the above |
11 | // copyright notice, this list of conditions and the following disclaimer |
12 | // in the documentation and/or other materials provided with the |
13 | // distribution. |
14 | // * Neither the name of Google Inc. nor the names of its |
15 | // contributors may be used to endorse or promote products derived from |
16 | // this software without specific prior written permission. |
17 | // |
18 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
19 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
20 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
21 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
22 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
23 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | |
30 | #ifndef COMMON_LINUX_ELFUTILS_INL_H__ |
31 | #define COMMON_LINUX_ELFUTILS_INL_H__ |
32 | |
33 | #include "common/linux/linux_libc_support.h" |
34 | #include "elfutils.h" |
35 | |
36 | namespace google_breakpad { |
37 | |
38 | template<typename ElfClass, typename T> |
39 | const T* GetOffset(const typename ElfClass::Ehdr* , |
40 | typename ElfClass::Off offset) { |
41 | return reinterpret_cast<const T*>(reinterpret_cast<uintptr_t>(elf_header) + |
42 | offset); |
43 | } |
44 | |
45 | template<typename ElfClass> |
46 | const typename ElfClass::Shdr* FindElfSectionByName( |
47 | const char* name, |
48 | typename ElfClass::Word section_type, |
49 | const typename ElfClass::Shdr* sections, |
50 | const char* section_names, |
51 | const char* names_end, |
52 | int nsection) { |
53 | assert(name != NULL); |
54 | assert(sections != NULL); |
55 | assert(nsection > 0); |
56 | |
57 | int name_len = my_strlen(name); |
58 | if (name_len == 0) |
59 | return NULL; |
60 | |
61 | for (int i = 0; i < nsection; ++i) { |
62 | const char* section_name = section_names + sections[i].sh_name; |
63 | if (sections[i].sh_type == section_type && |
64 | names_end - section_name >= name_len + 1 && |
65 | my_strcmp(name, section_name) == 0) { |
66 | return sections + i; |
67 | } |
68 | } |
69 | return NULL; |
70 | } |
71 | |
72 | } // namespace google_breakpad |
73 | |
74 | #endif // COMMON_LINUX_ELFUTILS_INL_H__ |
75 | |