The Tor Browser: toolkit/crashreporter/google-breakpad/src/common/mac/macho

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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.

    30 // macho_utilties.cc: Utilities for dealing with mach-o files

    31 //

    32 // Author: Dave Camp

    34 #include "common/mac/byteswap.h"

    35 #include "common/mac/macho_utilities.h"

    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 }

    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);

    50   sg->vmaddr = ByteSwap(sg->vmaddr);

    51   sg->vmsize = ByteSwap(sg->vmsize);

    52   sg->fileoff = ByteSwap(sg->fileoff);

    53   sg->filesize = ByteSwap(sg->filesize);

    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 }

    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 }

    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);

    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 }

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