1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/common/linux/elfutils-inl.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,74 @@
1.4 +// Copyright (c) 2012, Google Inc.
1.5 +// All rights reserved.
1.6 +//
1.7 +// Redistribution and use in source and binary forms, with or without
1.8 +// modification, are permitted provided that the following conditions are
1.9 +// met:
1.10 +//
1.11 +// * Redistributions of source code must retain the above copyright
1.12 +// notice, this list of conditions and the following disclaimer.
1.13 +// * Redistributions in binary form must reproduce the above
1.14 +// copyright notice, this list of conditions and the following disclaimer
1.15 +// in the documentation and/or other materials provided with the
1.16 +// distribution.
1.17 +// * Neither the name of Google Inc. nor the names of its
1.18 +// contributors may be used to endorse or promote products derived from
1.19 +// this software without specific prior written permission.
1.20 +//
1.21 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.22 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.23 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.24 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.25 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.26 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.27 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.28 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.29 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.30 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.31 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.32 +
1.33 +#ifndef COMMON_LINUX_ELFUTILS_INL_H__
1.34 +#define COMMON_LINUX_ELFUTILS_INL_H__
1.35 +
1.36 +#include "common/linux/linux_libc_support.h"
1.37 +#include "elfutils.h"
1.38 +
1.39 +namespace google_breakpad {
1.40 +
1.41 +template<typename ElfClass, typename T>
1.42 +const T* GetOffset(const typename ElfClass::Ehdr* elf_header,
1.43 + typename ElfClass::Off offset) {
1.44 + return reinterpret_cast<const T*>(reinterpret_cast<uintptr_t>(elf_header) +
1.45 + offset);
1.46 +}
1.47 +
1.48 +template<typename ElfClass>
1.49 +const typename ElfClass::Shdr* FindElfSectionByName(
1.50 + const char* name,
1.51 + typename ElfClass::Word section_type,
1.52 + const typename ElfClass::Shdr* sections,
1.53 + const char* section_names,
1.54 + const char* names_end,
1.55 + int nsection) {
1.56 + assert(name != NULL);
1.57 + assert(sections != NULL);
1.58 + assert(nsection > 0);
1.59 +
1.60 + int name_len = my_strlen(name);
1.61 + if (name_len == 0)
1.62 + return NULL;
1.63 +
1.64 + for (int i = 0; i < nsection; ++i) {
1.65 + const char* section_name = section_names + sections[i].sh_name;
1.66 + if (sections[i].sh_type == section_type &&
1.67 + names_end - section_name >= name_len + 1 &&
1.68 + my_strcmp(name, section_name) == 0) {
1.69 + return sections + i;
1.70 + }
1.71 + }
1.72 + return NULL;
1.73 +}
1.74 +
1.75 +} // namespace google_breakpad
1.76 +
1.77 +#endif // COMMON_LINUX_ELFUTILS_INL_H__
