xref: /aosp_15_r20/external/google-breakpad/src/common/mac/macho_utilities.h (revision 9712c20fc9bbfbac4935993a2ca0b3958c5adad2)
1 // Copyright 2006 Google LLC
2 //
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are
5 // met:
6 //
7 //     * Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer.
9 //     * Redistributions in binary form must reproduce the above
10 // copyright notice, this list of conditions and the following disclaimer
11 // in the documentation and/or other materials provided with the
12 // distribution.
13 //     * Neither the name of Google LLC nor the names of its
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15 // this software without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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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
95