Title: [226384] trunk/Source/_javascript_Core
- Revision
- 226384
- Author
- msab...@apple.com
- Date
- 2018-01-03 16:55:41 -0800 (Wed, 03 Jan 2018)
Log Message
Add "noInline" to $vm
https://bugs.webkit.org/show_bug.cgi?id=181265
Reviewed by Mark Lam.
This would be useful for web based tests.
* tools/JSDollarVM.cpp:
(JSC::getExecutableForFunction):
(JSC::functionNoInline):
(JSC::JSDollarVM::finishCreation):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (226383 => 226384)
--- trunk/Source/_javascript_Core/ChangeLog 2018-01-04 00:51:00 UTC (rev 226383)
+++ trunk/Source/_javascript_Core/ChangeLog 2018-01-04 00:55:41 UTC (rev 226384)
@@ -1,5 +1,19 @@
2018-01-03 Michael Saboff <msab...@apple.com>
+ Add "noInline" to $vm
+ https://bugs.webkit.org/show_bug.cgi?id=181265
+
+ Reviewed by Mark Lam.
+
+ This would be useful for web based tests.
+
+ * tools/JSDollarVM.cpp:
+ (JSC::getExecutableForFunction):
+ (JSC::functionNoInline):
+ (JSC::JSDollarVM::finishCreation):
+
+2018-01-03 Michael Saboff <msab...@apple.com>
+
Remove unnecessary flushing of Butterfly pointer in functionCpuClflush()
https://bugs.webkit.org/show_bug.cgi?id=181263
Modified: trunk/Source/_javascript_Core/tools/JSDollarVM.cpp (226383 => 226384)
--- trunk/Source/_javascript_Core/tools/JSDollarVM.cpp 2018-01-04 00:51:00 UTC (rev 226383)
+++ trunk/Source/_javascript_Core/tools/JSDollarVM.cpp 2018-01-04 00:55:41 UTC (rev 226384)
@@ -1159,6 +1159,22 @@
mutable JITCode::JITType m_jitType;
};
+static FunctionExecutable* getExecutableForFunction(JSValue theFunctionValue)
+{
+ if (!theFunctionValue.isCell())
+ return nullptr;
+
+ VM& vm = *theFunctionValue.asCell()->vm();
+ JSFunction* theFunction = jsDynamicCast<JSFunction*>(vm, theFunctionValue);
+ if (!theFunction)
+ return nullptr;
+
+ FunctionExecutable* executable = jsDynamicCast<FunctionExecutable*>(vm,
+ theFunction->executable());
+
+ return executable;
+}
+
// Returns true if the current frame is a LLInt frame.
// Usage: isLLInt = $vm.llintTrue()
static EncodedJSValue JSC_HOST_CALL functionLLintTrue(ExecState* exec)
@@ -1181,6 +1197,23 @@
return JSValue::encode(jsBoolean(functor.jitType() == JITCode::BaselineJIT));
}
+// Set that the argument function should not be inlined.
+// Usage:
+// function f() { };
+// $vm.noInline(f);
+static EncodedJSValue JSC_HOST_CALL functionNoInline(ExecState* exec)
+{
+ if (exec->argumentCount() < 1)
+ return JSValue::encode(jsUndefined());
+
+ JSValue theFunctionValue = exec->uncheckedArgument(0);
+
+ if (FunctionExecutable* executable = getExecutableForFunction(theFunctionValue))
+ executable->setNeverInline(true);
+
+ return JSValue::encode(jsUndefined());
+}
+
// Runs a full GC synchronously.
// Usage: $vm.gc()
static EncodedJSValue JSC_HOST_CALL functionGC(ExecState* exec)
@@ -1736,6 +1769,8 @@
addFunction(vm, "llintTrue", functionLLintTrue, 0);
addFunction(vm, "jitTrue", functionJITTrue, 0);
+ addFunction(vm, "noInline", functionNoInline, 1);
+
addFunction(vm, "gc", functionGC, 0);
addFunction(vm, "edenGC", functionEdenGC, 0);
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