Communicate OS and CPU to SymbolSupplier (#107). r=bryner

Interface change: moved a few fields around in ProcessState; added new
arguments to Stackwalker and SymbolSupplier.

http://groups.google.com/group/airbag-dev/browse_thread/thread/17e4a48ec3ede932


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@101 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/processor/stackwalker_ppc.cc

@@ -42,12 +42,13 @@
 namespace google_airbag {
 
 
-StackwalkerPPC::StackwalkerPPC(const MDRawContextPPC *context,
+StackwalkerPPC::StackwalkerPPC(const SystemInfo *system_info,
+                               const MDRawContextPPC *context,
                                MemoryRegion *memory,
                                const CodeModules *modules,
                                SymbolSupplier *supplier,
                                SourceLineResolverInterface *resolver)
-    : Stackwalker(memory, modules, supplier, resolver),
+    : Stackwalker(system_info, memory, modules, supplier, resolver),
       context_(context) {
   if (memory_->GetBase() + memory_->GetSize() - 1 > 0xffffffff) {
     // This implementation only covers 32-bit ppc CPUs.  The limits of the