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/thirdparty/breakpad/common/mac/macho_utilities.cc

http://github.com/tomahawk-player/tomahawk
C++ | 90 lines | 50 code | 9 blank | 31 comment | 1 complexity | f66ad0e4db6f3c12584cf0d65c84cce3 MD5 | raw file
 1// Copyright (c) 2006, 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// macho_utilties.cc: Utilities for dealing with mach-o files
31//
32// Author: Dave Camp
33
34#include "common/mac/byteswap.h"
35#include "common/mac/macho_utilities.h"
36
37void breakpad_swap_uuid_command(struct breakpad_uuid_command *uc,
38                                enum NXByteOrder target_byte_order)
39{
40  uc->cmd = ByteSwap(uc->cmd);
41  uc->cmdsize = ByteSwap(uc->cmdsize);
42}
43
44void breakpad_swap_segment_command_64(struct segment_command_64 *sg,
45                                      enum NXByteOrder target_byte_order)
46{
47  sg->cmd = ByteSwap(sg->cmd);
48  sg->cmdsize = ByteSwap(sg->cmdsize);
49
50  sg->vmaddr = ByteSwap(sg->vmaddr);
51  sg->vmsize = ByteSwap(sg->vmsize);
52  sg->fileoff = ByteSwap(sg->fileoff);
53  sg->filesize = ByteSwap(sg->filesize);
54
55  sg->maxprot = ByteSwap(sg->maxprot);
56  sg->initprot = ByteSwap(sg->initprot);
57  sg->nsects = ByteSwap(sg->nsects);
58  sg->flags = ByteSwap(sg->flags);
59}
60
61void breakpad_swap_mach_header_64(struct mach_header_64 *mh,
62                                  enum NXByteOrder target_byte_order)
63{
64  mh->magic = ByteSwap(mh->magic);
65  mh->cputype = ByteSwap(mh->cputype);
66  mh->cpusubtype = ByteSwap(mh->cpusubtype);
67  mh->filetype = ByteSwap(mh->filetype);
68  mh->ncmds = ByteSwap(mh->ncmds);
69  mh->sizeofcmds = ByteSwap(mh->sizeofcmds);
70  mh->flags = ByteSwap(mh->flags);
71  mh->reserved = ByteSwap(mh->reserved);
72}
73
74void breakpad_swap_section_64(struct section_64 *s,
75                              uint32_t nsects,
76                              enum NXByteOrder target_byte_order)
77{
78  for (uint32_t i = 0; i < nsects; i++) {
79    s[i].addr = ByteSwap(s[i].addr);
80    s[i].size = ByteSwap(s[i].size);
81
82    s[i].offset = ByteSwap(s[i].offset);
83    s[i].align = ByteSwap(s[i].align);
84    s[i].reloff = ByteSwap(s[i].reloff);
85    s[i].nreloc = ByteSwap(s[i].nreloc);
86    s[i].flags = ByteSwap(s[i].flags);
87    s[i].reserved1 = ByteSwap(s[i].reserved1);
88    s[i].reserved2 = ByteSwap(s[i].reserved2);
89  }
90}