[wasm] OOB traps: build protected instruction list during codegen

src/compiler/pipeline.h

Index: src/compiler/pipeline.h
diff --git a/src/compiler/pipeline.h b/src/compiler/pipeline.h
index 0c0a57b28605a53b39c11a45c43395d15da2191e..7799bf835f57e854da0ac00e133d1ece18cc4a5d 100644
--- a/src/compiler/pipeline.h
+++ b/src/compiler/pipeline.h
@@ -17,6 +17,11 @@ class CompilationInfo;
 class CompilationJob;
 class RegisterConfiguration;
 
+namespace trap_handler {
+struct ProtectedInstructionData;
+typedef std::vector<ProtectedInstructionData> ProtectedInstructionList;

[titzer, 2016/11/30 17:31:12]

Do you want to use a ZoneVector?

[Eric Holk, 2016/11/30 20:16:19]

Yes.

Done.

+}  // namespace trap_handler
+
 namespace compiler {
 
 class CallDescriptor;
@@ -33,7 +38,8 @@ class Pipeline : public AllStatic {
   // Returns a new compilation job for the WebAssembly compilation info.
   static CompilationJob* NewWasmCompilationJob(
       CompilationInfo* info, Graph* graph, CallDescriptor* descriptor,
-      SourcePositionTable* source_positions);
+      SourcePositionTable* source_positions,
+      trap_handler::ProtectedInstructionList* protected_instructions);
 
   // Run the pipeline on a machine graph and generate code. The {schedule} must
   // be valid, hence the given {graph} does not need to be schedulable.