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 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 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 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 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
