1 // Copyright (c) 2006, Google Inc.
2 // All rights reserved.
3 //
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5 // modification, are permitted provided that the following conditions are
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7 //
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9 // notice, this list of conditions and the following disclaimer.
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12 // in the documentation and/or other materials provided with the
13 // distribution.
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16 // this software without specific prior written permission.
17 //
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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
breakpad_swap_uuid_command(struct breakpad_uuid_command * uc,enum NXByteOrder target_byte_order)37 void 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
breakpad_swap_segment_command_64(struct segment_command_64 * sg,enum NXByteOrder target_byte_order)44 void 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
breakpad_swap_mach_header_64(struct mach_header_64 * mh,enum NXByteOrder target_byte_order)61 void 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
breakpad_swap_section_64(struct section_64 * s,uint32_t nsects,enum NXByteOrder target_byte_order)74 void 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 }
91