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
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21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30// macho_utilities.h: Utilities for dealing with mach-o files
31//
32// Author: Dave Camp
33
34#ifndef COMMON_MAC_MACHO_UTILITIES_H__
35#define COMMON_MAC_MACHO_UTILITIES_H__
36
37#include <mach-o/loader.h>
38#include <mach/thread_status.h>
39
40/* Some #defines and structs that aren't defined in older SDKs */
41#ifndef CPU_ARCH_ABI64
42# define CPU_ARCH_ABI64    0x01000000
43#endif
44
45#ifndef CPU_TYPE_X86
46# define CPU_TYPE_X86 CPU_TYPE_I386
47#endif
48
49#ifndef CPU_TYPE_POWERPC64
50# define CPU_TYPE_POWERPC64 (CPU_TYPE_POWERPC | CPU_ARCH_ABI64)
51#endif
52
53#ifndef LC_UUID
54# define LC_UUID         0x1b    /* the uuid */
55#endif
56
57// The uuid_command struct/swap routines were added during the 10.4 series.
58// Their presence isn't guaranteed.
59struct breakpad_uuid_command {
60  uint32_t    cmd;            /* LC_UUID */
61  uint32_t    cmdsize;        /* sizeof(struct uuid_command) */
62  uint8_t     uuid[16];       /* the 128-bit uuid */
63};
64
65void breakpad_swap_uuid_command(struct breakpad_uuid_command *uc,
66                                enum NXByteOrder target_byte_order);
67
68// Older SDKs defines thread_state_data_t as an int[] instead
69// of the natural_t[] it should be.
70typedef natural_t breakpad_thread_state_data_t[THREAD_STATE_MAX];
71
72// The 64-bit swap routines were added during the 10.4 series, their
73// presence isn't guaranteed.
74void breakpad_swap_segment_command_64(struct segment_command_64 *sg,
75                                      enum NXByteOrder target_byte_order);
76
77void breakpad_swap_mach_header_64(struct mach_header_64 *mh,
78                                  enum NXByteOrder target_byte_order);
79
80void breakpad_swap_section_64(struct section_64 *s,
81                              uint32_t nsects,
82                              enum NXByteOrder target_byte_order);
83
84#endif
85