Fix Mac Breakpad host tools to build in Linux cross-compile

src/common/mac/macho_utilities.cc

Index: src/common/mac/macho_utilities.cc
diff --git a/src/common/mac/macho_utilities.cc b/src/common/mac/macho_utilities.cc
index 89f9e775cfe6b873015f9319e2694e3826763f6e..f56fe768c10dcef0c7ee2e9c372170b75360e0ce 100644
--- a/src/common/mac/macho_utilities.cc
+++ b/src/common/mac/macho_utilities.cc
@@ -34,16 +34,44 @@
 #include "common/mac/byteswap.h"
 #include "common/mac/macho_utilities.h"
 
-void breakpad_swap_uuid_command(struct breakpad_uuid_command *uc,
-                                enum NXByteOrder target_byte_order)
-{
+#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_segment_command_64(struct segment_command_64 *sg,
-                                      enum NXByteOrder target_byte_order)
-{
+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);
 
@@ -58,9 +86,32 @@ void breakpad_swap_segment_command_64(struct segment_command_64 *sg,
   sg->flags = ByteSwap(sg->flags);
 }
 
-void breakpad_swap_mach_header_64(struct mach_header_64 *mh,
-                                  enum NXByteOrder target_byte_order)
-{
+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);
@@ -71,10 +122,24 @@ void breakpad_swap_mach_header_64(struct mach_header_64 *mh,
   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,
-                              enum NXByteOrder target_byte_order)
-{
+                              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);