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// Copyright (c) 2006, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// macho_utilties.cc: Utilities for dealing with mach-o files
//
// Author: Dave Camp
#include "common/mac/byteswap.h"
#include "common/mac/macho_utilities.h"
#include <mach-o/fat.h>
#include <mach-o/loader.h>
void breakpad_swap_uuid_command(struct breakpad_uuid_command *uc) {
uc->cmd = ByteSwap(uc->cmd);
uc->cmdsize = ByteSwap(uc->cmdsize);
}
void breakpad_swap_load_command(struct load_command *lc) {
lc->cmd = ByteSwap(lc->cmd);
lc->cmdsize = ByteSwap(lc->cmdsize);
}
void breakpad_swap_dylib_command(struct dylib_command *dc) {
dc->cmd = ByteSwap(dc->cmd);
dc->cmdsize = ByteSwap(dc->cmdsize);
dc->dylib.name.offset = ByteSwap(dc->dylib.name.offset);
dc->dylib.timestamp = ByteSwap(dc->dylib.timestamp);
dc->dylib.current_version = ByteSwap(dc->dylib.current_version);
dc->dylib.compatibility_version = ByteSwap(dc->dylib.compatibility_version);
}
void breakpad_swap_segment_command(struct segment_command *sc) {
sc->cmd = ByteSwap(sc->cmd);
sc->cmdsize = ByteSwap(sc->cmdsize);
sc->vmaddr = ByteSwap(sc->vmaddr);
sc->vmsize = ByteSwap(sc->vmsize);
sc->fileoff = ByteSwap(sc->fileoff);
sc->filesize = ByteSwap(sc->filesize);
sc->maxprot = ByteSwap(sc->maxprot);
sc->initprot = ByteSwap(sc->initprot);
sc->nsects = ByteSwap(sc->nsects);
sc->flags = ByteSwap(sc->flags);
}
void breakpad_swap_segment_command_64(struct segment_command_64 *sg) {
sg->cmd = ByteSwap(sg->cmd);
sg->cmdsize = ByteSwap(sg->cmdsize);
sg->vmaddr = ByteSwap(sg->vmaddr);
sg->vmsize = ByteSwap(sg->vmsize);
sg->fileoff = ByteSwap(sg->fileoff);
sg->filesize = ByteSwap(sg->filesize);
sg->maxprot = ByteSwap(sg->maxprot);
sg->initprot = ByteSwap(sg->initprot);
sg->nsects = ByteSwap(sg->nsects);
sg->flags = ByteSwap(sg->flags);
}
void breakpad_swap_fat_header(struct fat_header *fh) {
fh->magic = ByteSwap(fh->magic);
fh->nfat_arch = ByteSwap(fh->nfat_arch);
}
void breakpad_swap_fat_arch(struct fat_arch *fa, uint32_t narchs) {
for (uint32_t i = 0; i < narchs; ++i) {
fa[i].cputype = ByteSwap(fa[i].cputype);
fa[i].cpusubtype = ByteSwap(fa[i].cpusubtype);
fa[i].offset = ByteSwap(fa[i].offset);
fa[i].size = ByteSwap(fa[i].size);
fa[i].align = ByteSwap(fa[i].align);
}
}
void breakpad_swap_mach_header(struct mach_header *mh) {
mh->magic = ByteSwap(mh->magic);
mh->cputype = ByteSwap(mh->cputype);
mh->cpusubtype = ByteSwap(mh->cpusubtype);
mh->filetype = ByteSwap(mh->filetype);
mh->ncmds = ByteSwap(mh->ncmds);
mh->sizeofcmds = ByteSwap(mh->sizeofcmds);
mh->flags = ByteSwap(mh->flags);
}
void breakpad_swap_mach_header_64(struct mach_header_64 *mh) {
mh->magic = ByteSwap(mh->magic);
mh->cputype = ByteSwap(mh->cputype);
mh->cpusubtype = ByteSwap(mh->cpusubtype);
mh->filetype = ByteSwap(mh->filetype);
mh->ncmds = ByteSwap(mh->ncmds);
mh->sizeofcmds = ByteSwap(mh->sizeofcmds);
mh->flags = ByteSwap(mh->flags);
mh->reserved = ByteSwap(mh->reserved);
}
void breakpad_swap_section(struct section *s,
uint32_t nsects) {
for (uint32_t i = 0; i < nsects; i++) {
s[i].addr = ByteSwap(s[i].addr);
s[i].size = ByteSwap(s[i].size);
s[i].offset = ByteSwap(s[i].offset);
s[i].align = ByteSwap(s[i].align);
s[i].reloff = ByteSwap(s[i].reloff);
s[i].nreloc = ByteSwap(s[i].nreloc);
s[i].flags = ByteSwap(s[i].flags);
s[i].reserved1 = ByteSwap(s[i].reserved1);
s[i].reserved2 = ByteSwap(s[i].reserved2);
}
}
void breakpad_swap_section_64(struct section_64 *s,
uint32_t nsects) {
for (uint32_t i = 0; i < nsects; i++) {
s[i].addr = ByteSwap(s[i].addr);
s[i].size = ByteSwap(s[i].size);
s[i].offset = ByteSwap(s[i].offset);
s[i].align = ByteSwap(s[i].align);
s[i].reloff = ByteSwap(s[i].reloff);
s[i].nreloc = ByteSwap(s[i].nreloc);
s[i].flags = ByteSwap(s[i].flags);
s[i].reserved1 = ByteSwap(s[i].reserved1);
s[i].reserved2 = ByteSwap(s[i].reserved2);
}
}