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Unified Diff: src/runtime.h

Issue 3421009: Revision 2.4.4.... (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: '' Created 10 years, 3 months ago
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Index: src/runtime.h
===================================================================
--- src/runtime.h (revision 5457)
+++ src/runtime.h (working copy)
@@ -1,4 +1,4 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Copyright 2010 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
@@ -389,6 +389,59 @@
RUNTIME_FUNCTION_LIST_PROFILER_SUPPORT(F)
// ----------------------------------------------------------------------------
+// INLINE_FUNCTION_LIST defines all inlined functions accessed
+// with a native call of the form %_name from within JS code.
+// Entries have the form F(name, number of arguments, number of return values).
+#define INLINE_FUNCTION_LIST(F) \
+ F(IsSmi, 1, 1) \
+ F(IsNonNegativeSmi, 1, 1) \
+ F(IsArray, 1, 1) \
+ F(IsRegExp, 1, 1) \
+ F(CallFunction, -1 /* receiver + n args + function */, 1) \
+ F(ArgumentsLength, 0, 1) \
+ F(Arguments, 1, 1) \
+ F(ValueOf, 1, 1) \
+ F(SetValueOf, 2, 1) \
+ F(StringCharFromCode, 1, 1) \
+ F(StringCharAt, 2, 1) \
+ F(ObjectEquals, 2, 1) \
+ F(RandomHeapNumber, 0, 1) \
+ F(IsObject, 1, 1) \
+ F(IsFunction, 1, 1) \
+ F(IsUndetectableObject, 1, 1) \
+ F(IsSpecObject, 1, 1) \
+ F(IsStringWrapperSafeForDefaultValueOf, 1, 1) \
+ F(MathPow, 2, 1) \
+ F(MathSin, 1, 1) \
+ F(MathCos, 1, 1) \
+ F(MathSqrt, 1, 1) \
+ F(IsRegExpEquivalent, 2, 1) \
+ F(HasCachedArrayIndex, 1, 1) \
+ F(GetCachedArrayIndex, 1, 1)
+
+
+// ----------------------------------------------------------------------------
+// INLINE_AND_RUNTIME_FUNCTION_LIST defines all inlined functions accessed
+// with a native call of the form %_name from within JS code that also have
+ // a corresponding runtime function, that is called for slow cases.
+// Entries have the form F(name, number of arguments, number of return values).
+#define INLINE_RUNTIME_FUNCTION_LIST(F) \
+ F(IsConstructCall, 0, 1) \
+ F(ClassOf, 1, 1) \
+ F(StringCharCodeAt, 2, 1) \
+ F(Log, 3, 1) \
+ F(StringAdd, 2, 1) \
+ F(SubString, 3, 1) \
+ F(StringCompare, 2, 1) \
+ F(RegExpExec, 4, 1) \
+ F(RegExpConstructResult, 3, 1) \
+ F(RegExpCloneResult, 1, 1) \
+ F(GetFromCache, 2, 1) \
+ F(NumberToString, 1, 1) \
+ F(SwapElements, 3, 1)
+
+
+//---------------------------------------------------------------------------
// Runtime provides access to all C++ runtime functions.
class Runtime : public AllStatic {
@@ -396,33 +449,52 @@
enum FunctionId {
#define F(name, nargs, ressize) k##name,
RUNTIME_FUNCTION_LIST(F)
- kNofFunctions
#undef F
+#define F(name, nargs, ressize) kInline##name,
+ INLINE_FUNCTION_LIST(F)
+ INLINE_RUNTIME_FUNCTION_LIST(F)
+#undef F
+ kNumFunctions,
+ kFirstInlineFunction = kInlineIsSmi
};
- // Runtime function descriptor.
+ enum IntrinsicType {
+ RUNTIME,
+ INLINE
+ };
+
+ // Intrinsic function descriptor.
struct Function {
+ FunctionId function_id;
+ IntrinsicType intrinsic_type;
// The JS name of the function.
const char* name;
- // The C++ (native) entry point.
+ // The C++ (native) entry point. NULL if the function is inlined.
byte* entry;
- // The number of arguments expected; nargs < 0 if variable no. of
- // arguments.
+ // The number of arguments expected. nargs is -1 if the function takes
+ // a variable number of arguments.
int nargs;
- int stub_id;
- // Size of result, if complex (larger than a single pointer),
- // otherwise zero.
+ // Size of result. Most functions return a single pointer, size 1.
int result_size;
};
- // Get the runtime function with the given function id.
- static Function* FunctionForId(FunctionId fid);
+ static const int kNotFound = -1;
- // Get the runtime function with the given name.
- static Function* FunctionForName(Vector<const char> name);
+ // Add symbols for all the intrinsic function names to a StringDictionary.
+ // Returns failure if an allocation fails. In this case, it must be
+ // retried with a new, empty StringDictionary, not with the same one.
+ // Alternatively, heap initialization can be completely restarted.
+ static Object* InitializeIntrinsicFunctionNames(Object* dictionary);
+ // Get the intrinsic function with the given name, which must be a symbol.
+ static Function* FunctionForSymbol(Handle<String> name);
+
+ // Get the intrinsic function with the given FunctionId.
+ static Function* FunctionForId(FunctionId id);
+
+ // General-purpose helper functions for runtime system.
static int StringMatch(Handle<String> sub, Handle<String> pat, int index);
static bool IsUpperCaseChar(uint16_t ch);
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