Merge
authorbobv
Fri, 07 Jan 2011 15:57:02 -0500
changeset 7723 74a3e528f1b8
parent 7721 8fae37350972 (current diff)
parent 7722 f0bd3dd3192f (diff)
child 7725 88030b16fe3d
Merge
--- a/hotspot/src/share/vm/c1/c1_Compilation.cpp	Fri Jan 07 03:38:19 2011 -0800
+++ b/hotspot/src/share/vm/c1/c1_Compilation.cpp	Fri Jan 07 15:57:02 2011 -0500
@@ -245,7 +245,7 @@
 }
 
 
-void Compilation::setup_code_buffer(CodeBuffer* code, int call_stub_estimate) {
+bool Compilation::setup_code_buffer(CodeBuffer* code, int call_stub_estimate) {
   // Preinitialize the consts section to some large size:
   int locs_buffer_size = 20 * (relocInfo::length_limit + sizeof(relocInfo));
   char* locs_buffer = NEW_RESOURCE_ARRAY(char, locs_buffer_size);
@@ -253,15 +253,20 @@
                                         locs_buffer_size / sizeof(relocInfo));
   code->initialize_consts_size(Compilation::desired_max_constant_size());
   // Call stubs + two deopt handlers (regular and MH) + exception handler
-  code->initialize_stubs_size((call_stub_estimate * LIR_Assembler::call_stub_size) +
-                              LIR_Assembler::exception_handler_size +
-                              2 * LIR_Assembler::deopt_handler_size);
+  int stub_size = (call_stub_estimate * LIR_Assembler::call_stub_size) +
+                   LIR_Assembler::exception_handler_size +
+                   (2 * LIR_Assembler::deopt_handler_size);
+  if (stub_size >= code->insts_capacity()) return false;
+  code->initialize_stubs_size(stub_size);
+  return true;
 }
 
 
 int Compilation::emit_code_body() {
   // emit code
-  setup_code_buffer(code(), allocator()->num_calls());
+  if (!setup_code_buffer(code(), allocator()->num_calls())) {
+    BAILOUT_("size requested greater than avail code buffer size", 0);
+  }
   code()->initialize_oop_recorder(env()->oop_recorder());
 
   _masm = new C1_MacroAssembler(code());
--- a/hotspot/src/share/vm/c1/c1_Compilation.hpp	Fri Jan 07 03:38:19 2011 -0800
+++ b/hotspot/src/share/vm/c1/c1_Compilation.hpp	Fri Jan 07 15:57:02 2011 -0500
@@ -192,7 +192,7 @@
     return desired_max_code_buffer_size() / 10;
   }
 
-  static void setup_code_buffer(CodeBuffer* cb, int call_stub_estimate);
+  static bool setup_code_buffer(CodeBuffer* cb, int call_stub_estimate);
 
   // timers
   static void print_timers();