[fullcodegen] Remove exception handling support.

src/full-codegen/ia32/full-codegen-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/full-codegen/full-codegen.h"
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
@@ skipping 3328 matching lines @@
     // calling eval, not the anonymous closure containing the eval code.
     // Fetch it from the context.
     PushOperand(ContextOperand(esi, Context::CLOSURE_INDEX));
   } else {
     DCHECK(closure_scope->is_function_scope());
     PushOperand(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
   }
 }
 
 
-// ----------------------------------------------------------------------------
-// Non-local control flow support.
-
-void FullCodeGenerator::EnterFinallyBlock() {
-  // Store pending message while executing finally block.
-  ExternalReference pending_message_obj =
-      ExternalReference::address_of_pending_message_obj(isolate());
-  __ mov(edx, Operand::StaticVariable(pending_message_obj));
-  PushOperand(edx);
-
-  ClearPendingMessage();
-}
-
-
-void FullCodeGenerator::ExitFinallyBlock() {
-  DCHECK(!result_register().is(edx));
-  // Restore pending message from stack.
-  PopOperand(edx);
-  ExternalReference pending_message_obj =
-      ExternalReference::address_of_pending_message_obj(isolate());
-  __ mov(Operand::StaticVariable(pending_message_obj), edx);
-}
-
-
-void FullCodeGenerator::ClearPendingMessage() {
-  DCHECK(!result_register().is(edx));
-  ExternalReference pending_message_obj =
-      ExternalReference::address_of_pending_message_obj(isolate());
-  __ mov(edx, Immediate(isolate()->factory()->the_hole_value()));
-  __ mov(Operand::StaticVariable(pending_message_obj), edx);
-}
-
-
-void FullCodeGenerator::DeferredCommands::EmitCommands() {
-  DCHECK(!result_register().is(edx));
-  __ Pop(result_register());  // Restore the accumulator.
-  __ Pop(edx);                // Get the token.
-  for (DeferredCommand cmd : commands_) {
-    Label skip;
-    __ cmp(edx, Immediate(Smi::FromInt(cmd.token)));
-    __ j(not_equal, &skip);
-    switch (cmd.command) {
-      case kReturn:
-        codegen_->EmitUnwindAndReturn();
-        break;
-      case kThrow:
-        __ Push(result_register());
-        __ CallRuntime(Runtime::kReThrow);
-        break;
-      case kContinue:
-        codegen_->EmitContinue(cmd.target);
-        break;
-      case kBreak:
-        codegen_->EmitBreak(cmd.target);
-        break;
-    }
-    __ bind(&skip);
-  }
-}
-
 #undef __
 
 
 static const byte kJnsInstruction = 0x79;
 static const byte kJnsOffset = 0x11;
 static const byte kNopByteOne = 0x66;
 static const byte kNopByteTwo = 0x90;
 #ifdef DEBUG
 static const byte kCallInstruction = 0xe8;
 #endif
@@ skipping 58 matching lines @@
       isolate->builtins()->OnStackReplacement()->entry(),
       Assembler::target_address_at(call_target_address, unoptimized_code));
   return ON_STACK_REPLACEMENT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32