Add %_DebugBreakInOptimizedCode() pseudo function call to insert int3/stop instructio...

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/17870002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15392 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

diff --git a/src/full-codegen.cc b/src/full-codegen.cc
index 7336261..c1350a1 100644 (file)
--- a/src/full-codegen.cc
+++ b/src/full-codegen.cc
@@ -940,6 +940,11 @@ void FullCodeGenerator::EmitGeneratorThrow(CallRuntime* expr) {
 }
 
 
+void FullCodeGenerator::EmitDebugBreakInOptimizedCode(CallRuntime* expr) {
+  context()->Plug(handle(Smi::FromInt(0), isolate()));
+}
+
+
 void FullCodeGenerator::VisitBinaryOperation(BinaryOperation* expr) {
   switch (expr->op()) {
     case Token::COMMA:

diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 2cf7af4..a97c562 100644 (file)
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -10635,6 +10635,13 @@ void HOptimizedGraphBuilder::GenerateGeneratorThrow(CallRuntime* call) {
 }
 
 
+void HOptimizedGraphBuilder::GenerateDebugBreakInOptimizedCode(
+    CallRuntime* call) {
+  AddInstruction(new(zone()) HDebugBreak());
+  return ast_context()->ReturnValue(graph()->GetConstant0());
+}
+
+
 #undef CHECK_BAILOUT
 #undef CHECK_ALIVE
 

diff --git a/src/runtime.h b/src/runtime.h
index 4928e78..a54eb7c 100644 (file)
--- a/src/runtime.h
+++ b/src/runtime.h
@@ -597,7 +597,8 @@ namespace internal {
   F(GetCachedArrayIndex, 1, 1)                                               \
   F(FastAsciiArrayJoin, 2, 1)                                                \
   F(GeneratorNext, 2, 1)                                                     \
-  F(GeneratorThrow, 2, 1)
+  F(GeneratorThrow, 2, 1)                                                    \
+  F(DebugBreakInOptimizedCode, 0, 1)
 
 
 // ----------------------------------------------------------------------------

diff --git a/test/mjsunit/fuzz-natives-part1.js b/test/mjsunit/fuzz-natives-part1.js
index 6fd2c08..8ca523c 100644 (file)
--- a/test/mjsunit/fuzz-natives-part1.js
+++ b/test/mjsunit/fuzz-natives-part1.js
@@ -163,6 +163,8 @@ var knownProblems = {
   "ResolvePossiblyDirectEval": true,
   "Log": true,
   "DeclareGlobals": true,
+  "ArrayConstructor": true,
+  "InternalArrayConstructor": true,
 
   "PromoteScheduledException": true,
   "DeleteHandleScopeExtensions": true,
@@ -214,7 +216,9 @@ var knownProblems = {
 
 var currentlyUncallable = {
   // We need to find a way to test this without breaking the system.
-  "SystemBreak": true
+  "SystemBreak": true,
+  // Inserts an int3/stop instruction when run with --always-opt.
+  "_DebugBreakInOptimizedCode": true
 };
 
 function testNatives() {

diff --git a/test/mjsunit/fuzz-natives-part2.js b/test/mjsunit/fuzz-natives-part2.js
index 463bd09..ec84f35 100644 (file)
--- a/test/mjsunit/fuzz-natives-part2.js
+++ b/test/mjsunit/fuzz-natives-part2.js
@@ -153,6 +153,7 @@ var knownProblems = {
   "ParallelRecompile": true,
   "InstallRecompiledCode": true,
   "NotifyDeoptimized": true,
+  "NotifyStubFailure": true,
   "NotifyOSR": true,
   "CreateObjectLiteralBoilerplate": true,
   "CloneLiteralBoilerplate": true,
@@ -215,7 +216,9 @@ var knownProblems = {
 
 var currentlyUncallable = {
   // We need to find a way to test this without breaking the system.
-  "SystemBreak": true
+  "SystemBreak": true,
+  // Inserts an int3/stop instruction when run with --always-opt.
+  "_DebugBreakInOptimizedCode": true
 };
 
 function testNatives() {

diff --git a/test/mjsunit/fuzz-natives-part3.js b/test/mjsunit/fuzz-natives-part3.js
index fa64daa..928fb46 100644 (file)
--- a/test/mjsunit/fuzz-natives-part3.js
+++ b/test/mjsunit/fuzz-natives-part3.js
@@ -153,6 +153,7 @@ var knownProblems = {
   "ParallelRecompile": true,
   "InstallRecompiledCode": true,
   "NotifyDeoptimized": true,
+  "NotifyStubFailure": true,
   "NotifyOSR": true,
   "CreateObjectLiteralBoilerplate": true,
   "CloneLiteralBoilerplate": true,
@@ -162,6 +163,8 @@ var knownProblems = {
   "ResolvePossiblyDirectEval": true,
   "Log": true,
   "DeclareGlobals": true,
+  "ArrayConstructor": true,
+  "InternalArrayConstructor": true,
 
   "PromoteScheduledException": true,
   "DeleteHandleScopeExtensions": true,
@@ -213,7 +216,9 @@ var knownProblems = {
 
 var currentlyUncallable = {
   // We need to find a way to test this without breaking the system.
-  "SystemBreak": true
+  "SystemBreak": true,
+  // Inserts an int3/stop instruction when run with --always-opt.
+  "_DebugBreakInOptimizedCode": true
 };
 
 function testNatives() {

diff --git a/test/mjsunit/fuzz-natives-part4.js b/test/mjsunit/fuzz-natives-part4.js
index 4003df8..d47db34 100644 (file)
--- a/test/mjsunit/fuzz-natives-part4.js
+++ b/test/mjsunit/fuzz-natives-part4.js
@@ -153,6 +153,7 @@ var knownProblems = {
   "ParallelRecompile": true,
   "InstallRecompiledCode": true,
   "NotifyDeoptimized": true,
+  "NotifyStubFailure": true,
   "NotifyOSR": true,
   "CreateObjectLiteralBoilerplate": true,
   "CloneLiteralBoilerplate": true,
@@ -162,6 +163,8 @@ var knownProblems = {
   "ResolvePossiblyDirectEval": true,
   "Log": true,
   "DeclareGlobals": true,
+  "ArrayConstructor": true,
+  "InternalArrayConstructor": true,
 
   "PromoteScheduledException": true,
   "DeleteHandleScopeExtensions": true,
@@ -213,7 +216,9 @@ var knownProblems = {
 
 var currentlyUncallable = {
   // We need to find a way to test this without breaking the system.
-  "SystemBreak": true
+  "SystemBreak": true,
+  // Inserts an int3/stop instruction when run with --always-opt.
+  "_DebugBreakInOptimizedCode": true
 };
 
 function testNatives() {