1  // Copyright 2006 Google LLC
 2  //
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 4  // modification, are permitted provided that the following conditions are
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 9  //     * Redistributions in binary form must reproduce the above
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15  // this software without specific prior written permission.
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28  
29  // macho_utilities.h: Utilities for dealing with mach-o files
30  //
31  // Author: Dave Camp
32  
33  #ifndef COMMON_MAC_MACHO_UTILITIES_H__
34  #define COMMON_MAC_MACHO_UTILITIES_H__
35  
36  #include <mach-o/loader.h>
37  #include <mach/thread_status.h>
38  
39  /* Some #defines and structs that aren't defined in older SDKs */
40  #ifndef CPU_ARCH_ABI64
41  # define CPU_ARCH_ABI64    0x01000000
42  #endif
43  
44  #ifndef CPU_TYPE_X86
45  # define CPU_TYPE_X86 CPU_TYPE_I386
46  #endif
47  
48  #ifndef CPU_TYPE_POWERPC64
49  # define CPU_TYPE_POWERPC64 (CPU_TYPE_POWERPC | CPU_ARCH_ABI64)
50  #endif
51  
52  #ifndef LC_UUID
53  # define LC_UUID         0x1b    /* the uuid */
54  #endif
55  
56  // The uuid_command struct/swap routines were added during the 10.4 series.
57  // Their presence isn't guaranteed.
58  struct breakpad_uuid_command {
59    uint32_t    cmd;            /* LC_UUID */
60    uint32_t    cmdsize;        /* sizeof(struct uuid_command) */
61    uint8_t     uuid[16];       /* the 128-bit uuid */
62  };
63  
64  void breakpad_swap_uuid_command(struct breakpad_uuid_command *uc);
65  
66  void breakpad_swap_load_command(struct load_command *lc);
67  
68  void breakpad_swap_dylib_command(struct dylib_command *dc);
69  
70  // Older SDKs defines thread_state_data_t as an int[] instead
71  // of the natural_t[] it should be.
72  typedef natural_t breakpad_thread_state_data_t[THREAD_STATE_MAX];
73  
74  void breakpad_swap_segment_command(struct segment_command *sc);
75  
76  // The 64-bit swap routines were added during the 10.4 series, their
77  // presence isn't guaranteed.
78  void breakpad_swap_segment_command_64(struct segment_command_64 *sg);
79  
80  void breakpad_swap_fat_header(struct fat_header *fh);
81  
82  void breakpad_swap_fat_arch(struct fat_arch *fa, uint32_t narchs);
83  
84  void breakpad_swap_mach_header(struct mach_header *mh);
85  
86  void breakpad_swap_mach_header_64(struct mach_header_64 *mh);
87  
88  void breakpad_swap_section(struct section *s,
89                             uint32_t nsects);
90  
91  void breakpad_swap_section_64(struct section_64 *s,
92                                uint32_t nsects);
93  
94  #endif