Add more generic version of reloc info padding to ensure enough space for rel...

src/ia32/lithium-codegen-ia32.h

Index: src/ia32/lithium-codegen-ia32.h
===================================================================
--- src/ia32/lithium-codegen-ia32.h	(revision 6848)
+++ src/ia32/lithium-codegen-ia32.h	(working copy)
@@ -60,6 +60,7 @@
         status_(UNUSED),
         deferred_(8),
         osr_pc_offset_(-1),
+        reloc_padding_count_(0),
         resolver_(this) {
     PopulateDeoptimizationLiteralsWithInlinedFunctions();
   }
@@ -102,6 +103,8 @@
   // Emit frame translation commands for an environment.
   void WriteTranslation(LEnvironment* environment, Translation* translation);
 
+  void AddRelocPadding(int count) { reloc_padding_count_ += count; }

[Søren Thygesen Gjesse, 2011/02/21 13:27:20]

AddRelocPadding -> AddRelocPaddingForDeoptimization

+
   // Declare methods that deal with the individual node types.
 #define DECLARE_DO(type) void Do##type(L##type* node);
   LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
@@ -151,6 +154,9 @@
   bool GeneratePrologue();
   bool GenerateBody();
   bool GenerateDeferredCode();
+  // Pad the reloc info to ensure that we have enough space to patch during
+  // deoptimization.
+  bool GenerateRelocPadding();
   bool GenerateSafepointTable();
 
   void CallCode(Handle<Code> code, RelocInfo::Mode mode, LInstruction* instr,
@@ -250,6 +256,7 @@
   TranslationBuffer translations_;
   ZoneList<LDeferredCode*> deferred_;
   int osr_pc_offset_;
+  int reloc_padding_count_;

[Søren Thygesen Gjesse, 2011/02/21 13:27:20]

reloc_padding_count_ -> reloc_padding_count_for_deoptimization_

 
   // Builder that keeps track of safepoints in the code. The table
   // itself is emitted at the end of the generated code.