Introduce x87 port

src/x87/debug-x87.cc

Index: src/x87/debug-x87.cc
diff --git a/src/ia32/debug-ia32.cc b/src/x87/debug-x87.cc
similarity index 95%
copy from src/ia32/debug-ia32.cc
copy to src/x87/debug-x87.cc
index d9d970ef0433c580637a60e881525a46c6ccc6ec..c7039a88b1c58321da1a867af3e21f36122a9437 100644
--- a/src/ia32/debug-ia32.cc
+++ b/src/x87/debug-x87.cc
@@ -4,7 +4,7 @@
 
 #include "v8.h"
 
-#if V8_TARGET_ARCH_IA32
+#if V8_TARGET_ARCH_X87
 
 #include "codegen.h"
 #include "debug.h"
@@ -19,7 +19,7 @@ bool BreakLocationIterator::IsDebugBreakAtReturn() {
 
 
 // Patch the JS frame exit code with a debug break call. See
-// CodeGenerator::VisitReturnStatement and VirtualFrame::Exit in codegen-ia32.cc
+// CodeGenerator::VisitReturnStatement and VirtualFrame::Exit in codegen-x87.cc
 // for the precise return instructions sequence.
 void BreakLocationIterator::SetDebugBreakAtReturn() {
   ASSERT(Assembler::kJSReturnSequenceLength >=
@@ -184,7 +184,7 @@ void Debug::GenerateCallICStubDebugBreak(MacroAssembler* masm) {
 
 
 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) {
-  // Register state for IC load call (from ic-ia32.cc).
+  // Register state for IC load call (from ic-x87.cc).
   // ----------- S t a t e -------------
   //  -- ecx    : name
   //  -- edx    : receiver
@@ -194,7 +194,7 @@ void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) {
 
 
 void Debug::GenerateStoreICDebugBreak(MacroAssembler* masm) {
-  // Register state for IC store call (from ic-ia32.cc).
+  // Register state for IC store call (from ic-x87.cc).
   // ----------- S t a t e -------------
   //  -- eax    : value
   //  -- ecx    : name
@@ -206,7 +206,7 @@ void Debug::GenerateStoreICDebugBreak(MacroAssembler* masm) {
 
 
 void Debug::GenerateKeyedLoadICDebugBreak(MacroAssembler* masm) {
-  // Register state for keyed IC load call (from ic-ia32.cc).
+  // Register state for keyed IC load call (from ic-x87.cc).
   // ----------- S t a t e -------------
   //  -- ecx    : key
   //  -- edx    : receiver
@@ -216,7 +216,7 @@ void Debug::GenerateKeyedLoadICDebugBreak(MacroAssembler* masm) {
 
 
 void Debug::GenerateKeyedStoreICDebugBreak(MacroAssembler* masm) {
-  // Register state for keyed IC load call (from ic-ia32.cc).
+  // Register state for keyed IC load call (from ic-x87.cc).
   // ----------- S t a t e -------------
   //  -- eax    : value
   //  -- ecx    : key
@@ -237,7 +237,7 @@ void Debug::GenerateCompareNilICDebugBreak(MacroAssembler* masm) {
 
 
 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) {
-  // Register state just before return from JS function (from codegen-ia32.cc).
+  // Register state just before return from JS function (from codegen-x87.cc).
   // ----------- S t a t e -------------
   //  -- eax: return value
   // -----------------------------------
@@ -246,7 +246,7 @@ void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) {
 
 
 void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) {
-  // Register state for CallFunctionStub (from code-stubs-ia32.cc).
+  // Register state for CallFunctionStub (from code-stubs-x87.cc).
   // ----------- S t a t e -------------
   //  -- edi: function
   // -----------------------------------
@@ -255,7 +255,7 @@ void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) {
 
 
 void Debug::GenerateCallConstructStubDebugBreak(MacroAssembler* masm) {
-  // Register state for CallConstructStub (from code-stubs-ia32.cc).
+  // Register state for CallConstructStub (from code-stubs-x87.cc).
   // eax is the actual number of arguments not encoded as a smi see comment
   // above IC call.
   // ----------- S t a t e -------------
@@ -268,7 +268,7 @@ void Debug::GenerateCallConstructStubDebugBreak(MacroAssembler* masm) {
 
 
 void Debug::GenerateCallConstructStubRecordDebugBreak(MacroAssembler* masm) {
-  // Register state for CallConstructStub (from code-stubs-ia32.cc).
+  // Register state for CallConstructStub (from code-stubs-x87.cc).
   // eax is the actual number of arguments not encoded as a smi see comment
   // above IC call.
   // ----------- S t a t e -------------
@@ -336,4 +336,4 @@ const bool Debug::kFrameDropperSupported = true;
 
 } }  // namespace v8::internal
 
-#endif  // V8_TARGET_ARCH_IA32
+#endif  // V8_TARGET_ARCH_X87