Native Client side changes for debugging support: stdout/err -> postmessage.

src/trusted/reverse_service/reverse_service.cc

Index: src/trusted/reverse_service/reverse_service.cc
===================================================================
--- src/trusted/reverse_service/reverse_service.cc	(revision 7373)
+++ src/trusted/reverse_service/reverse_service.cc	(working copy)
@@ -124,6 +124,28 @@
   rpc->result = NACL_SRPC_RESULT_OK;
 }
 
+void PostMessageRpc(NaClSrpcRpc* rpc,
+                    NaClSrpcArg** in_args,
+                    NaClSrpcArg** out_args,
+                    NaClSrpcClosure* done) {
+  nacl::ReverseService* service = reinterpret_cast<nacl::ReverseService*>(
+      rpc->channel->server_instance_data);
+  char* message = in_args[0]->arrays.carr;
+  nacl_abi_size_t nbytes = in_args[0]->u.count;
+  NaClSrpcClosureRunner on_return(done);
+
+  NaClLog(4, "Entered PostMessageRpc\n");
+  if (NULL == service->reverse_interface()) {
+    NaClLog(1, "PostMessage RPC, no reverse_interface.  Message: %s\n",
+            message);
+  } else {
+    service->reverse_interface()->PostMessage(std::string(message, nbytes));
+  }
+  out_args[0]->u.ival = (int32_t) nbytes;
+  NaClLog(4, "Leaving PostMessageRpc\n");
+  rpc->result = NACL_SRPC_RESULT_OK;
+}
+
 // Manifest name service, internal APIs.
 //
 // Manifest file lookups result in read-only file descriptors with a
@@ -272,6 +294,13 @@
 
 namespace nacl {
 
+// TODO(bsy): this is a temporary cross-repo hack; should be removed
+// when the interface is made pure virtual again
+void ReverseInterface::PostMessage(nacl::string message) {
+  NaClLog(0, "ReverseInterface::PostMessage(NACL_OUTPUT_TAG:%s)\n",
+          message.c_str());
+}
+
 // need NaClThreadIfFactoryFunction that keeps "this" to do counting
 
 struct ReverseCountingThreadInterface {
@@ -394,6 +423,7 @@
   { NACL_REVERSE_CONTROL_ADD_CHANNEL, AddChannel, },
   { NACL_REVERSE_CONTROL_INIT_DONE, ModuleInitDoneRpc, },
   { NACL_REVERSE_CONTROL_REPORT_STATUS, ModuleExitRpc, },
+  { NACL_REVERSE_CONTROL_POST_MESSAGE, PostMessageRpc, },
   { NACL_MANIFEST_LIST, ManifestListRpc, },
   { NACL_MANIFEST_LOOKUP, ManifestLookupRpc, },
   { NACL_MANIFEST_UNREF, ManifestUnrefRpc, },