1 files changed, 158 insertions, 0 deletions
diff --git a/externals/breakpad/src/common/mac/macho_utilities.cc b/externals/breakpad/src/common/mac/macho_utilities.cc
new file mode 100644
index 0000000000..113e8d3fa4
--- /dev/null
+++ b/externals/breakpad/src/common/mac/macho_utilities.cc
@@ -0,0 +1,158 @@
+// Copyright 2006 Google LLC
+//
+// 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 LLC 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
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>  // Must come first
+#endif
+
+#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);
+  }
+}