#if defined(V8_TARGET_ARCH_ARM)
#include "bootstrapper.h"
-#include "code-stubs-arm.h"
-#include "codegen-inl.h"
+#include "code-stubs.h"
#include "regexp-macro-assembler.h"
namespace v8 {
#ifndef V8_ARM_CODE_STUBS_ARM_H_
#define V8_ARM_CODE_STUBS_ARM_H_
-#include "codegen-inl.h"
#include "ic-inl.h"
-#include "ast.h"
namespace v8 {
namespace internal {
class GenericBinaryOpStub : public CodeStub {
public:
+ static const int kUnknownIntValue = -1;
+
GenericBinaryOpStub(Token::Value op,
OverwriteMode mode,
Register lhs,
Register rhs,
- int constant_rhs = CodeGenerator::kUnknownIntValue)
+ int constant_rhs = kUnknownIntValue)
: op_(op),
mode_(mode),
lhs_(lhs),
void GenerateTypeTransition(MacroAssembler* masm);
static bool RhsIsOneWeWantToOptimizeFor(Token::Value op, int constant_rhs) {
- if (constant_rhs == CodeGenerator::kUnknownIntValue) return false;
+ if (constant_rhs == kUnknownIntValue) return false;
if (op == Token::DIV) return constant_rhs >= 2 && constant_rhs <= 3;
if (op == Token::MOD) {
if (constant_rhs <= 1) return false;
};
+// Enter C code from generated RegExp code in a way that allows
+// the C code to fix the return address in case of a GC.
+// Currently only needed on ARM.
+class RegExpCEntryStub: public CodeStub {
+ public:
+ RegExpCEntryStub() {}
+ virtual ~RegExpCEntryStub() {}
+ void Generate(MacroAssembler* masm);
+
+ private:
+ Major MajorKey() { return RegExpCEntry; }
+ int MinorKey() { return 0; }
+ const char* GetName() { return "RegExpCEntryStub"; }
+};
+
+
} } // namespace v8::internal
#endif // V8_ARM_CODE_STUBS_ARM_H_
#if defined(V8_TARGET_ARCH_ARM)
#include "bootstrapper.h"
-#include "code-stubs-arm.h"
+#include "code-stubs.h"
#include "codegen-inl.h"
#include "compiler.h"
#include "debug.h"
frame_->EmitPush(lhs, TypeInfo::Smi());
TypeInfo t = both_sides_are_smi ? TypeInfo::Smi() : TypeInfo::Unknown();
frame_->EmitPush(rhs, t);
- GenericBinaryOperation(op, mode, GENERATE_INLINE_SMI, kUnknownIntValue);
+ GenericBinaryOperation(op, mode, GENERATE_INLINE_SMI,
+ GenericBinaryOpStub::kUnknownIntValue);
}
return;
}
#ifndef V8_ARM_CODEGEN_ARM_H_
#define V8_ARM_CODEGEN_ARM_H_
-#include "ic-inl.h"
#include "ast.h"
+#include "code-stubs-arm.h"
+#include "ic-inl.h"
namespace v8 {
namespace internal {
void AddDeferred(DeferredCode* code) { deferred_.Add(code); }
- static const int kUnknownIntValue = -1;
-
// If the name is an inline runtime function call return the number of
// expected arguments. Otherwise return -1.
static int InlineRuntimeCallArgumentsCount(Handle<String> name);
void GenericBinaryOperation(Token::Value op,
OverwriteMode overwrite_mode,
GenerateInlineSmi inline_smi,
- int known_rhs = kUnknownIntValue);
+ int known_rhs =
+ GenericBinaryOpStub::kUnknownIntValue);
void Comparison(Condition cc,
Expression* left,
Expression* right,
#if defined(V8_TARGET_ARCH_ARM)
-#include "code-stubs-arm.h"
+#include "code-stubs.h"
#include "codegen-inl.h"
#include "compiler.h"
#include "debug.h"
#if defined(V8_TARGET_ARCH_ARM)
#include "assembler-arm.h"
-#include "code-stubs-arm.h"
+#include "code-stubs.h"
#include "codegen-inl.h"
#include "disasm.h"
#include "ic-inl.h"
#include "unicode.h"
#include "log.h"
-#include "ast.h"
#include "code-stubs.h"
#include "regexp-stack.h"
#include "macro-assembler.h"
#include "regexp-macro-assembler.h"
-#include "arm/macro-assembler-arm.h"
#include "arm/regexp-macro-assembler-arm.h"
namespace v8 {
Label stack_overflow_label_;
};
-
-// Enter C code from generated RegExp code in a way that allows
-// the C code to fix the return address in case of a GC.
-// Currently only needed on ARM.
-class RegExpCEntryStub: public CodeStub {
- public:
- RegExpCEntryStub() {}
- virtual ~RegExpCEntryStub() {}
- void Generate(MacroAssembler* masm);
-
- private:
- Major MajorKey() { return RegExpCEntry; }
- int MinorKey() { return 0; }
- const char* GetName() { return "RegExpCEntryStub"; }
-};
-
#endif // V8_INTERPRETED_REGEXP
#define V8_CODE_STUBS_H_
#include "globals.h"
+#include "macro-assembler.h"
namespace v8 {
namespace internal {
CODE_STUB_LIST_ALL_PLATFORMS(V) \
CODE_STUB_LIST_ARM(V)
+// Types of uncatchable exceptions.
+enum UncatchableExceptionType { OUT_OF_MEMORY, TERMINATION };
+
+// Mode to overwrite BinaryExpression values.
+enum OverwriteMode { NO_OVERWRITE, OVERWRITE_LEFT, OVERWRITE_RIGHT };
+enum UnaryOverwriteMode { UNARY_OVERWRITE, UNARY_NO_OVERWRITE };
+
+
// Stub is base classes of all stubs.
class CodeStub BASE_EMBEDDED {
public:
static int MinorKeyFromKey(uint32_t key) {
return MinorKeyBits::decode(key);
};
+
+ // Gets the major key from a code object that is a code stub or binary op IC.
+ static Major GetMajorKey(Code* code_stub) {
+ return static_cast<Major>(code_stub->major_key());
+ }
+
static const char* MajorName(Major major_key, bool allow_unknown_keys);
virtual ~CodeStub() {}
friend class BreakPointIterator;
};
+
+// Helper interface to prepare to/restore after making runtime calls.
+class RuntimeCallHelper {
+ public:
+ virtual ~RuntimeCallHelper() {}
+
+ virtual void BeforeCall(MacroAssembler* masm) const = 0;
+
+ virtual void AfterCall(MacroAssembler* masm) const = 0;
+
+ protected:
+ RuntimeCallHelper() {}
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(RuntimeCallHelper);
+};
+
+} } // namespace v8::internal
+
+#if V8_TARGET_ARCH_IA32
+#include "ia32/code-stubs-ia32.h"
+#elif V8_TARGET_ARCH_X64
+#include "x64/code-stubs-x64.h"
+#elif V8_TARGET_ARCH_ARM
+#include "arm/code-stubs-arm.h"
+#elif V8_TARGET_ARCH_MIPS
+#include "mips/code-stubs-mips.h"
+#else
+#error Unsupported target architecture.
+#endif
+
+namespace v8 {
+namespace internal {
+
+
+// RuntimeCallHelper implementation used in IC stubs: enters/leaves a
+// newly created internal frame before/after the runtime call.
+class ICRuntimeCallHelper : public RuntimeCallHelper {
+ public:
+ ICRuntimeCallHelper() {}
+
+ virtual void BeforeCall(MacroAssembler* masm) const;
+
+ virtual void AfterCall(MacroAssembler* masm) const;
+};
+
+
+// Trivial RuntimeCallHelper implementation.
+class NopRuntimeCallHelper : public RuntimeCallHelper {
+ public:
+ NopRuntimeCallHelper() {}
+
+ virtual void BeforeCall(MacroAssembler* masm) const {}
+
+ virtual void AfterCall(MacroAssembler* masm) const {}
+};
+
+
+class StackCheckStub : public CodeStub {
+ public:
+ StackCheckStub() { }
+
+ void Generate(MacroAssembler* masm);
+
+ private:
+
+ const char* GetName() { return "StackCheckStub"; }
+
+ Major MajorKey() { return StackCheck; }
+ int MinorKey() { return 0; }
+};
+
+
+class FastNewClosureStub : public CodeStub {
+ public:
+ void Generate(MacroAssembler* masm);
+
+ private:
+ const char* GetName() { return "FastNewClosureStub"; }
+ Major MajorKey() { return FastNewClosure; }
+ int MinorKey() { return 0; }
+};
+
+
+class FastNewContextStub : public CodeStub {
+ public:
+ static const int kMaximumSlots = 64;
+
+ explicit FastNewContextStub(int slots) : slots_(slots) {
+ ASSERT(slots_ > 0 && slots <= kMaximumSlots);
+ }
+
+ void Generate(MacroAssembler* masm);
+
+ private:
+ int slots_;
+
+ const char* GetName() { return "FastNewContextStub"; }
+ Major MajorKey() { return FastNewContext; }
+ int MinorKey() { return slots_; }
+};
+
+
+class FastCloneShallowArrayStub : public CodeStub {
+ public:
+ // Maximum length of copied elements array.
+ static const int kMaximumClonedLength = 8;
+
+ enum Mode {
+ CLONE_ELEMENTS,
+ COPY_ON_WRITE_ELEMENTS
+ };
+
+ FastCloneShallowArrayStub(Mode mode, int length)
+ : mode_(mode),
+ length_((mode == COPY_ON_WRITE_ELEMENTS) ? 0 : length) {
+ ASSERT(length_ >= 0);
+ ASSERT(length_ <= kMaximumClonedLength);
+ }
+
+ void Generate(MacroAssembler* masm);
+
+ private:
+ Mode mode_;
+ int length_;
+
+ const char* GetName() { return "FastCloneShallowArrayStub"; }
+ Major MajorKey() { return FastCloneShallowArray; }
+ int MinorKey() {
+ ASSERT(mode_ == 0 || mode_ == 1);
+ return (length_ << 1) | mode_;
+ }
+};
+
+
+class InstanceofStub: public CodeStub {
+ public:
+ InstanceofStub() { }
+
+ void Generate(MacroAssembler* masm);
+
+ private:
+ Major MajorKey() { return Instanceof; }
+ int MinorKey() { return 0; }
+};
+
+
+enum NegativeZeroHandling {
+ kStrictNegativeZero,
+ kIgnoreNegativeZero
+};
+
+
+class GenericUnaryOpStub : public CodeStub {
+ public:
+ GenericUnaryOpStub(Token::Value op,
+ UnaryOverwriteMode overwrite,
+ NegativeZeroHandling negative_zero = kStrictNegativeZero)
+ : op_(op), overwrite_(overwrite), negative_zero_(negative_zero) { }
+
+ private:
+ Token::Value op_;
+ UnaryOverwriteMode overwrite_;
+ NegativeZeroHandling negative_zero_;
+
+ class OverwriteField: public BitField<UnaryOverwriteMode, 0, 1> {};
+ class NegativeZeroField: public BitField<NegativeZeroHandling, 1, 1> {};
+ class OpField: public BitField<Token::Value, 2, kMinorBits - 2> {};
+
+ Major MajorKey() { return GenericUnaryOp; }
+ int MinorKey() {
+ return OpField::encode(op_) |
+ OverwriteField::encode(overwrite_) |
+ NegativeZeroField::encode(negative_zero_);
+ }
+
+ void Generate(MacroAssembler* masm);
+
+ const char* GetName();
+};
+
+
+enum NaNInformation {
+ kBothCouldBeNaN,
+ kCantBothBeNaN
+};
+
+
+class CompareStub: public CodeStub {
+ public:
+ CompareStub(Condition cc,
+ bool strict,
+ NaNInformation nan_info = kBothCouldBeNaN,
+ bool include_number_compare = true,
+ Register lhs = no_reg,
+ Register rhs = no_reg) :
+ cc_(cc),
+ strict_(strict),
+ never_nan_nan_(nan_info == kCantBothBeNaN),
+ include_number_compare_(include_number_compare),
+ lhs_(lhs),
+ rhs_(rhs),
+ name_(NULL) { }
+
+ void Generate(MacroAssembler* masm);
+
+ private:
+ Condition cc_;
+ bool strict_;
+ // Only used for 'equal' comparisons. Tells the stub that we already know
+ // that at least one side of the comparison is not NaN. This allows the
+ // stub to use object identity in the positive case. We ignore it when
+ // generating the minor key for other comparisons to avoid creating more
+ // stubs.
+ bool never_nan_nan_;
+ // Do generate the number comparison code in the stub. Stubs without number
+ // comparison code is used when the number comparison has been inlined, and
+ // the stub will be called if one of the operands is not a number.
+ bool include_number_compare_;
+ // Register holding the left hand side of the comparison if the stub gives
+ // a choice, no_reg otherwise.
+ Register lhs_;
+ // Register holding the right hand side of the comparison if the stub gives
+ // a choice, no_reg otherwise.
+ Register rhs_;
+
+ // Encoding of the minor key CCCCCCCCCCCCRCNS.
+ class StrictField: public BitField<bool, 0, 1> {};
+ class NeverNanNanField: public BitField<bool, 1, 1> {};
+ class IncludeNumberCompareField: public BitField<bool, 2, 1> {};
+ class RegisterField: public BitField<bool, 3, 1> {};
+ class ConditionField: public BitField<int, 4, 12> {};
+
+ Major MajorKey() { return Compare; }
+
+ int MinorKey();
+
+ // Branch to the label if the given object isn't a symbol.
+ void BranchIfNonSymbol(MacroAssembler* masm,
+ Label* label,
+ Register object,
+ Register scratch);
+
+ // Unfortunately you have to run without snapshots to see most of these
+ // names in the profile since most compare stubs end up in the snapshot.
+ char* name_;
+ const char* GetName();
+#ifdef DEBUG
+ void Print() {
+ PrintF("CompareStub (cc %d), (strict %s), "
+ "(never_nan_nan %s), (number_compare %s) ",
+ static_cast<int>(cc_),
+ strict_ ? "true" : "false",
+ never_nan_nan_ ? "true" : "false",
+ include_number_compare_ ? "included" : "not included");
+
+ if (!lhs_.is(no_reg) && !rhs_.is(no_reg)) {
+ PrintF("(lhs r%d), (rhs r%d)\n", lhs_.code(), rhs_.code());
+ } else {
+ PrintF("\n");
+ }
+ }
+#endif
+};
+
+
+class CEntryStub : public CodeStub {
+ public:
+ explicit CEntryStub(int result_size) : result_size_(result_size) { }
+
+ void Generate(MacroAssembler* masm);
+
+ private:
+ void GenerateCore(MacroAssembler* masm,
+ Label* throw_normal_exception,
+ Label* throw_termination_exception,
+ Label* throw_out_of_memory_exception,
+ bool do_gc,
+ bool always_allocate_scope,
+ int alignment_skew = 0);
+ void GenerateThrowTOS(MacroAssembler* masm);
+ void GenerateThrowUncatchable(MacroAssembler* masm,
+ UncatchableExceptionType type);
+
+ // Number of pointers/values returned.
+ const int result_size_;
+
+ Major MajorKey() { return CEntry; }
+ // Minor key must differ if different result_size_ values means different
+ // code is generated.
+ int MinorKey();
+
+ const char* GetName() { return "CEntryStub"; }
+};
+
+
+class ApiGetterEntryStub : public CodeStub {
+ public:
+ ApiGetterEntryStub(Handle<AccessorInfo> info,
+ ApiFunction* fun)
+ : info_(info),
+ fun_(fun) { }
+ void Generate(MacroAssembler* masm);
+ virtual bool has_custom_cache() { return true; }
+ virtual bool GetCustomCache(Code** code_out);
+ virtual void SetCustomCache(Code* value);
+
+ static const int kStackSpace = 5;
+ static const int kArgc = 4;
+ private:
+ Handle<AccessorInfo> info() { return info_; }
+ ApiFunction* fun() { return fun_; }
+ Major MajorKey() { return NoCache; }
+ int MinorKey() { return 0; }
+ const char* GetName() { return "ApiEntryStub"; }
+ // The accessor info associated with the function.
+ Handle<AccessorInfo> info_;
+ // The function to be called.
+ ApiFunction* fun_;
+};
+
+
+class JSEntryStub : public CodeStub {
+ public:
+ JSEntryStub() { }
+
+ void Generate(MacroAssembler* masm) { GenerateBody(masm, false); }
+
+ protected:
+ void GenerateBody(MacroAssembler* masm, bool is_construct);
+
+ private:
+ Major MajorKey() { return JSEntry; }
+ int MinorKey() { return 0; }
+
+ const char* GetName() { return "JSEntryStub"; }
+};
+
+
+class JSConstructEntryStub : public JSEntryStub {
+ public:
+ JSConstructEntryStub() { }
+
+ void Generate(MacroAssembler* masm) { GenerateBody(masm, true); }
+
+ private:
+ int MinorKey() { return 1; }
+
+ const char* GetName() { return "JSConstructEntryStub"; }
+};
+
+
+class ArgumentsAccessStub: public CodeStub {
+ public:
+ enum Type {
+ READ_ELEMENT,
+ NEW_OBJECT
+ };
+
+ explicit ArgumentsAccessStub(Type type) : type_(type) { }
+
+ private:
+ Type type_;
+
+ Major MajorKey() { return ArgumentsAccess; }
+ int MinorKey() { return type_; }
+
+ void Generate(MacroAssembler* masm);
+ void GenerateReadElement(MacroAssembler* masm);
+ void GenerateNewObject(MacroAssembler* masm);
+
+ const char* GetName() { return "ArgumentsAccessStub"; }
+
+#ifdef DEBUG
+ void Print() {
+ PrintF("ArgumentsAccessStub (type %d)\n", type_);
+ }
+#endif
+};
+
+
+class RegExpExecStub: public CodeStub {
+ public:
+ RegExpExecStub() { }
+
+ private:
+ Major MajorKey() { return RegExpExec; }
+ int MinorKey() { return 0; }
+
+ void Generate(MacroAssembler* masm);
+
+ const char* GetName() { return "RegExpExecStub"; }
+
+#ifdef DEBUG
+ void Print() {
+ PrintF("RegExpExecStub\n");
+ }
+#endif
+};
+
+
+class CallFunctionStub: public CodeStub {
+ public:
+ CallFunctionStub(int argc, InLoopFlag in_loop, CallFunctionFlags flags)
+ : argc_(argc), in_loop_(in_loop), flags_(flags) { }
+
+ void Generate(MacroAssembler* masm);
+
+ private:
+ int argc_;
+ InLoopFlag in_loop_;
+ CallFunctionFlags flags_;
+
+#ifdef DEBUG
+ void Print() {
+ PrintF("CallFunctionStub (args %d, in_loop %d, flags %d)\n",
+ argc_,
+ static_cast<int>(in_loop_),
+ static_cast<int>(flags_));
+ }
+#endif
+
+ // Minor key encoding in 32 bits with Bitfield <Type, shift, size>.
+ class InLoopBits: public BitField<InLoopFlag, 0, 1> {};
+ class FlagBits: public BitField<CallFunctionFlags, 1, 1> {};
+ class ArgcBits: public BitField<int, 2, 32 - 2> {};
+
+ Major MajorKey() { return CallFunction; }
+ int MinorKey() {
+ // Encode the parameters in a unique 32 bit value.
+ return InLoopBits::encode(in_loop_)
+ | FlagBits::encode(flags_)
+ | ArgcBits::encode(argc_);
+ }
+
+ InLoopFlag InLoop() { return in_loop_; }
+ bool ReceiverMightBeValue() {
+ return (flags_ & RECEIVER_MIGHT_BE_VALUE) != 0;
+ }
+
+ public:
+ static int ExtractArgcFromMinorKey(int minor_key) {
+ return ArgcBits::decode(minor_key);
+ }
+};
+
+
+enum StringIndexFlags {
+ // Accepts smis or heap numbers.
+ STRING_INDEX_IS_NUMBER,
+
+ // Accepts smis or heap numbers that are valid array indices
+ // (ECMA-262 15.4). Invalid indices are reported as being out of
+ // range.
+ STRING_INDEX_IS_ARRAY_INDEX
+};
+
+
+// Generates code implementing String.prototype.charCodeAt.
+//
+// Only supports the case when the receiver is a string and the index
+// is a number (smi or heap number) that is a valid index into the
+// string. Additional index constraints are specified by the
+// flags. Otherwise, bails out to the provided labels.
+//
+// Register usage: |object| may be changed to another string in a way
+// that doesn't affect charCodeAt/charAt semantics, |index| is
+// preserved, |scratch| and |result| are clobbered.
+class StringCharCodeAtGenerator {
+ public:
+ StringCharCodeAtGenerator(Register object,
+ Register index,
+ Register scratch,
+ Register result,
+ Label* receiver_not_string,
+ Label* index_not_number,
+ Label* index_out_of_range,
+ StringIndexFlags index_flags)
+ : object_(object),
+ index_(index),
+ scratch_(scratch),
+ result_(result),
+ receiver_not_string_(receiver_not_string),
+ index_not_number_(index_not_number),
+ index_out_of_range_(index_out_of_range),
+ index_flags_(index_flags) {
+ ASSERT(!scratch_.is(object_));
+ ASSERT(!scratch_.is(index_));
+ ASSERT(!scratch_.is(result_));
+ ASSERT(!result_.is(object_));
+ ASSERT(!result_.is(index_));
+ }
+
+ // Generates the fast case code. On the fallthrough path |result|
+ // register contains the result.
+ void GenerateFast(MacroAssembler* masm);
+
+ // Generates the slow case code. Must not be naturally
+ // reachable. Expected to be put after a ret instruction (e.g., in
+ // deferred code). Always jumps back to the fast case.
+ void GenerateSlow(MacroAssembler* masm,
+ const RuntimeCallHelper& call_helper);
+
+ private:
+ Register object_;
+ Register index_;
+ Register scratch_;
+ Register result_;
+
+ Label* receiver_not_string_;
+ Label* index_not_number_;
+ Label* index_out_of_range_;
+
+ StringIndexFlags index_flags_;
+
+ Label call_runtime_;
+ Label index_not_smi_;
+ Label got_smi_index_;
+ Label exit_;
+
+ DISALLOW_COPY_AND_ASSIGN(StringCharCodeAtGenerator);
+};
+
+
+// Generates code for creating a one-char string from a char code.
+class StringCharFromCodeGenerator {
+ public:
+ StringCharFromCodeGenerator(Register code,
+ Register result)
+ : code_(code),
+ result_(result) {
+ ASSERT(!code_.is(result_));
+ }
+
+ // Generates the fast case code. On the fallthrough path |result|
+ // register contains the result.
+ void GenerateFast(MacroAssembler* masm);
+
+ // Generates the slow case code. Must not be naturally
+ // reachable. Expected to be put after a ret instruction (e.g., in
+ // deferred code). Always jumps back to the fast case.
+ void GenerateSlow(MacroAssembler* masm,
+ const RuntimeCallHelper& call_helper);
+
+ private:
+ Register code_;
+ Register result_;
+
+ Label slow_case_;
+ Label exit_;
+
+ DISALLOW_COPY_AND_ASSIGN(StringCharFromCodeGenerator);
+};
+
+
+// Generates code implementing String.prototype.charAt.
+//
+// Only supports the case when the receiver is a string and the index
+// is a number (smi or heap number) that is a valid index into the
+// string. Additional index constraints are specified by the
+// flags. Otherwise, bails out to the provided labels.
+//
+// Register usage: |object| may be changed to another string in a way
+// that doesn't affect charCodeAt/charAt semantics, |index| is
+// preserved, |scratch1|, |scratch2|, and |result| are clobbered.
+class StringCharAtGenerator {
+ public:
+ StringCharAtGenerator(Register object,
+ Register index,
+ Register scratch1,
+ Register scratch2,
+ Register result,
+ Label* receiver_not_string,
+ Label* index_not_number,
+ Label* index_out_of_range,
+ StringIndexFlags index_flags)
+ : char_code_at_generator_(object,
+ index,
+ scratch1,
+ scratch2,
+ receiver_not_string,
+ index_not_number,
+ index_out_of_range,
+ index_flags),
+ char_from_code_generator_(scratch2, result) {}
+
+ // Generates the fast case code. On the fallthrough path |result|
+ // register contains the result.
+ void GenerateFast(MacroAssembler* masm);
+
+ // Generates the slow case code. Must not be naturally
+ // reachable. Expected to be put after a ret instruction (e.g., in
+ // deferred code). Always jumps back to the fast case.
+ void GenerateSlow(MacroAssembler* masm,
+ const RuntimeCallHelper& call_helper);
+
+ private:
+ StringCharCodeAtGenerator char_code_at_generator_;
+ StringCharFromCodeGenerator char_from_code_generator_;
+
+ DISALLOW_COPY_AND_ASSIGN(StringCharAtGenerator);
+};
+
} } // namespace v8::internal
#endif // V8_CODE_STUBS_H_
// CodeForSourcePosition
-// Mode to overwrite BinaryExpression values.
-enum OverwriteMode { NO_OVERWRITE, OVERWRITE_LEFT, OVERWRITE_RIGHT };
-enum UnaryOverwriteMode { UNARY_OVERWRITE, UNARY_NO_OVERWRITE };
-
-// Types of uncatchable exceptions.
-enum UncatchableExceptionType { OUT_OF_MEMORY, TERMINATION };
-
#define INLINE_RUNTIME_FUNCTION_LIST(F) \
F(IsSmi, 1, 1) \
F(IsNonNegativeSmi, 1, 1) \
namespace v8 {
namespace internal {
-// Support for "structured" code comments.
-#ifdef DEBUG
-
-class Comment BASE_EMBEDDED {
- public:
- Comment(MacroAssembler* masm, const char* msg);
- ~Comment();
-
- private:
- MacroAssembler* masm_;
- const char* msg_;
-};
-
-#else
-
-class Comment BASE_EMBEDDED {
- public:
- Comment(MacroAssembler*, const char*) {}
-};
-
-#endif // DEBUG
-
-
// Code generation can be nested. Code generation scopes form a stack
// of active code generators.
class CodeGeneratorScope BASE_EMBEDDED {
#endif
-// Helper interface to prepare to/restore after making runtime calls.
-class RuntimeCallHelper {
- public:
- virtual ~RuntimeCallHelper() {}
-
- virtual void BeforeCall(MacroAssembler* masm) const = 0;
-
- virtual void AfterCall(MacroAssembler* masm) const = 0;
-
- protected:
- RuntimeCallHelper() {}
-
- private:
- DISALLOW_COPY_AND_ASSIGN(RuntimeCallHelper);
-};
-
-
// RuntimeCallHelper implementation that saves/restores state of a
// virtual frame.
class VirtualFrameRuntimeCallHelper : public RuntimeCallHelper {
};
-// RuntimeCallHelper implementation used in IC stubs: enters/leaves a
-// newly created internal frame before/after the runtime call.
-class ICRuntimeCallHelper : public RuntimeCallHelper {
- public:
- ICRuntimeCallHelper() {}
-
- virtual void BeforeCall(MacroAssembler* masm) const;
-
- virtual void AfterCall(MacroAssembler* masm) const;
-};
-
-
-// Trivial RuntimeCallHelper implementation.
-class NopRuntimeCallHelper : public RuntimeCallHelper {
- public:
- NopRuntimeCallHelper() {}
-
- virtual void BeforeCall(MacroAssembler* masm) const {}
-
- virtual void AfterCall(MacroAssembler* masm) const {}
-};
-
-
// Deferred code objects are small pieces of code that are compiled
// out of line. They are used to defer the compilation of uncommon
// paths thereby avoiding expensive jumps around uncommon code parts.
DISALLOW_COPY_AND_ASSIGN(DeferredCode);
};
-class StackCheckStub : public CodeStub {
- public:
- StackCheckStub() { }
-
- void Generate(MacroAssembler* masm);
-
- private:
-
- const char* GetName() { return "StackCheckStub"; }
-
- Major MajorKey() { return StackCheck; }
- int MinorKey() { return 0; }
-};
-
-
-class FastNewClosureStub : public CodeStub {
- public:
- void Generate(MacroAssembler* masm);
-
- private:
- const char* GetName() { return "FastNewClosureStub"; }
- Major MajorKey() { return FastNewClosure; }
- int MinorKey() { return 0; }
-};
-
-
-class FastNewContextStub : public CodeStub {
- public:
- static const int kMaximumSlots = 64;
-
- explicit FastNewContextStub(int slots) : slots_(slots) {
- ASSERT(slots_ > 0 && slots <= kMaximumSlots);
- }
-
- void Generate(MacroAssembler* masm);
-
- private:
- int slots_;
-
- const char* GetName() { return "FastNewContextStub"; }
- Major MajorKey() { return FastNewContext; }
- int MinorKey() { return slots_; }
-};
-
-
-class FastCloneShallowArrayStub : public CodeStub {
- public:
- // Maximum length of copied elements array.
- static const int kMaximumClonedLength = 8;
-
- enum Mode {
- CLONE_ELEMENTS,
- COPY_ON_WRITE_ELEMENTS
- };
-
- FastCloneShallowArrayStub(Mode mode, int length)
- : mode_(mode),
- length_((mode == COPY_ON_WRITE_ELEMENTS) ? 0 : length) {
- ASSERT(length_ >= 0);
- ASSERT(length_ <= kMaximumClonedLength);
- }
-
- void Generate(MacroAssembler* masm);
-
- private:
- Mode mode_;
- int length_;
-
- const char* GetName() { return "FastCloneShallowArrayStub"; }
- Major MajorKey() { return FastCloneShallowArray; }
- int MinorKey() {
- ASSERT(mode_ == 0 || mode_ == 1);
- return (length_ << 1) | mode_;
- }
-};
-
-
-class InstanceofStub: public CodeStub {
- public:
- InstanceofStub() { }
-
- void Generate(MacroAssembler* masm);
-
- private:
- Major MajorKey() { return Instanceof; }
- int MinorKey() { return 0; }
-};
-
-
-enum NegativeZeroHandling {
- kStrictNegativeZero,
- kIgnoreNegativeZero
-};
-
-
-class GenericUnaryOpStub : public CodeStub {
- public:
- GenericUnaryOpStub(Token::Value op,
- UnaryOverwriteMode overwrite,
- NegativeZeroHandling negative_zero = kStrictNegativeZero)
- : op_(op), overwrite_(overwrite), negative_zero_(negative_zero) { }
-
- private:
- Token::Value op_;
- UnaryOverwriteMode overwrite_;
- NegativeZeroHandling negative_zero_;
-
- class OverwriteField: public BitField<UnaryOverwriteMode, 0, 1> {};
- class NegativeZeroField: public BitField<NegativeZeroHandling, 1, 1> {};
- class OpField: public BitField<Token::Value, 2, kMinorBits - 2> {};
-
- Major MajorKey() { return GenericUnaryOp; }
- int MinorKey() {
- return OpField::encode(op_) |
- OverwriteField::encode(overwrite_) |
- NegativeZeroField::encode(negative_zero_);
- }
-
- void Generate(MacroAssembler* masm);
-
- const char* GetName();
-};
-
-
-enum NaNInformation {
- kBothCouldBeNaN,
- kCantBothBeNaN
-};
-
-
-class CompareStub: public CodeStub {
- public:
- CompareStub(Condition cc,
- bool strict,
- NaNInformation nan_info = kBothCouldBeNaN,
- bool include_number_compare = true,
- Register lhs = no_reg,
- Register rhs = no_reg) :
- cc_(cc),
- strict_(strict),
- never_nan_nan_(nan_info == kCantBothBeNaN),
- include_number_compare_(include_number_compare),
- lhs_(lhs),
- rhs_(rhs),
- name_(NULL) { }
-
- void Generate(MacroAssembler* masm);
-
- private:
- Condition cc_;
- bool strict_;
- // Only used for 'equal' comparisons. Tells the stub that we already know
- // that at least one side of the comparison is not NaN. This allows the
- // stub to use object identity in the positive case. We ignore it when
- // generating the minor key for other comparisons to avoid creating more
- // stubs.
- bool never_nan_nan_;
- // Do generate the number comparison code in the stub. Stubs without number
- // comparison code is used when the number comparison has been inlined, and
- // the stub will be called if one of the operands is not a number.
- bool include_number_compare_;
- // Register holding the left hand side of the comparison if the stub gives
- // a choice, no_reg otherwise.
- Register lhs_;
- // Register holding the right hand side of the comparison if the stub gives
- // a choice, no_reg otherwise.
- Register rhs_;
-
- // Encoding of the minor key CCCCCCCCCCCCRCNS.
- class StrictField: public BitField<bool, 0, 1> {};
- class NeverNanNanField: public BitField<bool, 1, 1> {};
- class IncludeNumberCompareField: public BitField<bool, 2, 1> {};
- class RegisterField: public BitField<bool, 3, 1> {};
- class ConditionField: public BitField<int, 4, 12> {};
-
- Major MajorKey() { return Compare; }
-
- int MinorKey();
-
- // Branch to the label if the given object isn't a symbol.
- void BranchIfNonSymbol(MacroAssembler* masm,
- Label* label,
- Register object,
- Register scratch);
-
- // Unfortunately you have to run without snapshots to see most of these
- // names in the profile since most compare stubs end up in the snapshot.
- char* name_;
- const char* GetName();
-#ifdef DEBUG
- void Print() {
- PrintF("CompareStub (cc %d), (strict %s), "
- "(never_nan_nan %s), (number_compare %s) ",
- static_cast<int>(cc_),
- strict_ ? "true" : "false",
- never_nan_nan_ ? "true" : "false",
- include_number_compare_ ? "included" : "not included");
-
- if (!lhs_.is(no_reg) && !rhs_.is(no_reg)) {
- PrintF("(lhs r%d), (rhs r%d)\n", lhs_.code(), rhs_.code());
- } else {
- PrintF("\n");
- }
- }
-#endif
-};
-
-
-class CEntryStub : public CodeStub {
- public:
- explicit CEntryStub(int result_size) : result_size_(result_size) { }
-
- void Generate(MacroAssembler* masm);
-
- private:
- void GenerateCore(MacroAssembler* masm,
- Label* throw_normal_exception,
- Label* throw_termination_exception,
- Label* throw_out_of_memory_exception,
- bool do_gc,
- bool always_allocate_scope,
- int alignment_skew = 0);
- void GenerateThrowTOS(MacroAssembler* masm);
- void GenerateThrowUncatchable(MacroAssembler* masm,
- UncatchableExceptionType type);
-
- // Number of pointers/values returned.
- const int result_size_;
-
- // Minor key encoding
- class IndirectResultBits: public BitField<bool, 1, 1> {};
-
- Major MajorKey() { return CEntry; }
- // Minor key must differ if different result_size_ values means different
- // code is generated.
- int MinorKey();
-
- const char* GetName() { return "CEntryStub"; }
-};
-
-
-class ApiGetterEntryStub : public CodeStub {
- public:
- ApiGetterEntryStub(Handle<AccessorInfo> info,
- ApiFunction* fun)
- : info_(info),
- fun_(fun) { }
- void Generate(MacroAssembler* masm);
- virtual bool has_custom_cache() { return true; }
- virtual bool GetCustomCache(Code** code_out);
- virtual void SetCustomCache(Code* value);
-
- static const int kStackSpace = 5;
- static const int kArgc = 4;
- private:
- Handle<AccessorInfo> info() { return info_; }
- ApiFunction* fun() { return fun_; }
- Major MajorKey() { return NoCache; }
- int MinorKey() { return 0; }
- const char* GetName() { return "ApiEntryStub"; }
- // The accessor info associated with the function.
- Handle<AccessorInfo> info_;
- // The function to be called.
- ApiFunction* fun_;
-};
-
-
-class JSEntryStub : public CodeStub {
- public:
- JSEntryStub() { }
-
- void Generate(MacroAssembler* masm) { GenerateBody(masm, false); }
-
- protected:
- void GenerateBody(MacroAssembler* masm, bool is_construct);
-
- private:
- Major MajorKey() { return JSEntry; }
- int MinorKey() { return 0; }
-
- const char* GetName() { return "JSEntryStub"; }
-};
-
-
-class JSConstructEntryStub : public JSEntryStub {
- public:
- JSConstructEntryStub() { }
-
- void Generate(MacroAssembler* masm) { GenerateBody(masm, true); }
-
- private:
- int MinorKey() { return 1; }
-
- const char* GetName() { return "JSConstructEntryStub"; }
-};
-
-
-class ArgumentsAccessStub: public CodeStub {
- public:
- enum Type {
- READ_ELEMENT,
- NEW_OBJECT
- };
-
- explicit ArgumentsAccessStub(Type type) : type_(type) { }
-
- private:
- Type type_;
-
- Major MajorKey() { return ArgumentsAccess; }
- int MinorKey() { return type_; }
-
- void Generate(MacroAssembler* masm);
- void GenerateReadElement(MacroAssembler* masm);
- void GenerateNewObject(MacroAssembler* masm);
-
- const char* GetName() { return "ArgumentsAccessStub"; }
-
-#ifdef DEBUG
- void Print() {
- PrintF("ArgumentsAccessStub (type %d)\n", type_);
- }
-#endif
-};
-
-
-class RegExpExecStub: public CodeStub {
- public:
- RegExpExecStub() { }
-
- private:
- Major MajorKey() { return RegExpExec; }
- int MinorKey() { return 0; }
-
- void Generate(MacroAssembler* masm);
-
- const char* GetName() { return "RegExpExecStub"; }
-
-#ifdef DEBUG
- void Print() {
- PrintF("RegExpExecStub\n");
- }
-#endif
-};
-
-
-class CallFunctionStub: public CodeStub {
- public:
- CallFunctionStub(int argc, InLoopFlag in_loop, CallFunctionFlags flags)
- : argc_(argc), in_loop_(in_loop), flags_(flags) { }
-
- void Generate(MacroAssembler* masm);
-
- private:
- int argc_;
- InLoopFlag in_loop_;
- CallFunctionFlags flags_;
-
-#ifdef DEBUG
- void Print() {
- PrintF("CallFunctionStub (args %d, in_loop %d, flags %d)\n",
- argc_,
- static_cast<int>(in_loop_),
- static_cast<int>(flags_));
- }
-#endif
-
- // Minor key encoding in 32 bits with Bitfield <Type, shift, size>.
- class InLoopBits: public BitField<InLoopFlag, 0, 1> {};
- class FlagBits: public BitField<CallFunctionFlags, 1, 1> {};
- class ArgcBits: public BitField<int, 2, 32 - 2> {};
-
- Major MajorKey() { return CallFunction; }
- int MinorKey() {
- // Encode the parameters in a unique 32 bit value.
- return InLoopBits::encode(in_loop_)
- | FlagBits::encode(flags_)
- | ArgcBits::encode(argc_);
- }
-
- InLoopFlag InLoop() { return in_loop_; }
- bool ReceiverMightBeValue() {
- return (flags_ & RECEIVER_MIGHT_BE_VALUE) != 0;
- }
-
- public:
- static int ExtractArgcFromMinorKey(int minor_key) {
- return ArgcBits::decode(minor_key);
- }
-};
-
-
-enum StringIndexFlags {
- // Accepts smis or heap numbers.
- STRING_INDEX_IS_NUMBER,
-
- // Accepts smis or heap numbers that are valid array indices
- // (ECMA-262 15.4). Invalid indices are reported as being out of
- // range.
- STRING_INDEX_IS_ARRAY_INDEX
-};
-
-
-// Generates code implementing String.prototype.charCodeAt.
-//
-// Only supports the case when the receiver is a string and the index
-// is a number (smi or heap number) that is a valid index into the
-// string. Additional index constraints are specified by the
-// flags. Otherwise, bails out to the provided labels.
-//
-// Register usage: |object| may be changed to another string in a way
-// that doesn't affect charCodeAt/charAt semantics, |index| is
-// preserved, |scratch| and |result| are clobbered.
-class StringCharCodeAtGenerator {
- public:
- StringCharCodeAtGenerator(Register object,
- Register index,
- Register scratch,
- Register result,
- Label* receiver_not_string,
- Label* index_not_number,
- Label* index_out_of_range,
- StringIndexFlags index_flags)
- : object_(object),
- index_(index),
- scratch_(scratch),
- result_(result),
- receiver_not_string_(receiver_not_string),
- index_not_number_(index_not_number),
- index_out_of_range_(index_out_of_range),
- index_flags_(index_flags) {
- ASSERT(!scratch_.is(object_));
- ASSERT(!scratch_.is(index_));
- ASSERT(!scratch_.is(result_));
- ASSERT(!result_.is(object_));
- ASSERT(!result_.is(index_));
- }
-
- // Generates the fast case code. On the fallthrough path |result|
- // register contains the result.
- void GenerateFast(MacroAssembler* masm);
-
- // Generates the slow case code. Must not be naturally
- // reachable. Expected to be put after a ret instruction (e.g., in
- // deferred code). Always jumps back to the fast case.
- void GenerateSlow(MacroAssembler* masm,
- const RuntimeCallHelper& call_helper);
-
- private:
- Register object_;
- Register index_;
- Register scratch_;
- Register result_;
-
- Label* receiver_not_string_;
- Label* index_not_number_;
- Label* index_out_of_range_;
-
- StringIndexFlags index_flags_;
-
- Label call_runtime_;
- Label index_not_smi_;
- Label got_smi_index_;
- Label exit_;
-
- DISALLOW_COPY_AND_ASSIGN(StringCharCodeAtGenerator);
-};
-
-
-// Generates code for creating a one-char string from a char code.
-class StringCharFromCodeGenerator {
- public:
- StringCharFromCodeGenerator(Register code,
- Register result)
- : code_(code),
- result_(result) {
- ASSERT(!code_.is(result_));
- }
-
- // Generates the fast case code. On the fallthrough path |result|
- // register contains the result.
- void GenerateFast(MacroAssembler* masm);
-
- // Generates the slow case code. Must not be naturally
- // reachable. Expected to be put after a ret instruction (e.g., in
- // deferred code). Always jumps back to the fast case.
- void GenerateSlow(MacroAssembler* masm,
- const RuntimeCallHelper& call_helper);
-
- private:
- Register code_;
- Register result_;
-
- Label slow_case_;
- Label exit_;
-
- DISALLOW_COPY_AND_ASSIGN(StringCharFromCodeGenerator);
-};
-
-
-// Generates code implementing String.prototype.charAt.
-//
-// Only supports the case when the receiver is a string and the index
-// is a number (smi or heap number) that is a valid index into the
-// string. Additional index constraints are specified by the
-// flags. Otherwise, bails out to the provided labels.
-//
-// Register usage: |object| may be changed to another string in a way
-// that doesn't affect charCodeAt/charAt semantics, |index| is
-// preserved, |scratch1|, |scratch2|, and |result| are clobbered.
-class StringCharAtGenerator {
- public:
- StringCharAtGenerator(Register object,
- Register index,
- Register scratch1,
- Register scratch2,
- Register result,
- Label* receiver_not_string,
- Label* index_not_number,
- Label* index_out_of_range,
- StringIndexFlags index_flags)
- : char_code_at_generator_(object,
- index,
- scratch1,
- scratch2,
- receiver_not_string,
- index_not_number,
- index_out_of_range,
- index_flags),
- char_from_code_generator_(scratch2, result) {}
-
- // Generates the fast case code. On the fallthrough path |result|
- // register contains the result.
- void GenerateFast(MacroAssembler* masm);
-
- // Generates the slow case code. Must not be naturally
- // reachable. Expected to be put after a ret instruction (e.g., in
- // deferred code). Always jumps back to the fast case.
- void GenerateSlow(MacroAssembler* masm,
- const RuntimeCallHelper& call_helper);
-
- private:
- StringCharCodeAtGenerator char_code_at_generator_;
- StringCharFromCodeGenerator char_from_code_generator_;
-
- DISALLOW_COPY_AND_ASSIGN(StringCharAtGenerator);
-};
-
-} // namespace internal
-} // namespace v8
+} } // namespace v8::internal
#endif // V8_CODEGEN_H_
// Check whether a code stub with the specified major key is a possible break
// point location when looking for source break locations.
bool Debug::IsSourceBreakStub(Code* code) {
- CodeStub::Major major_key = code->major_key();
+ CodeStub::Major major_key = CodeStub::GetMajorKey(code);
return major_key == CodeStub::CallFunction;
}
// Check whether a code stub with the specified major key is a possible break
// location.
bool Debug::IsBreakStub(Code* code) {
- CodeStub::Major major_key = code->major_key();
+ CodeStub::Major major_key = CodeStub::GetMajorKey(code);
return major_key == CodeStub::CallFunction ||
major_key == CodeStub::StackCheck;
}
#define V8_DEBUG_H_
#include "assembler.h"
-#include "code-stubs.h"
#include "debug-agent.h"
#include "execution.h"
#include "factory.h"
// Get the STUB key and extract major and minor key.
uint32_t key = Smi::cast(obj)->value();
uint32_t minor_key = CodeStub::MinorKeyFromKey(key);
- ASSERT(code->major_key() == CodeStub::MajorKeyFromKey(key));
+ CodeStub::Major major_key = CodeStub::GetMajorKey(code);
+ ASSERT(major_key == CodeStub::MajorKeyFromKey(key));
out.AddFormatted(" %s, %s, ",
Code::Kind2String(kind),
- CodeStub::MajorName(code->major_key(), false));
- switch (code->major_key()) {
+ CodeStub::MajorName(major_key, false));
+ switch (major_key) {
case CodeStub::CallFunction:
out.AddFormatted("argc = %d", minor_key);
break;
#include "codegen-inl.h"
#include "compiler.h"
#include "full-codegen.h"
+#include "macro-assembler.h"
#include "scopes.h"
#include "stub-cache.h"
#include "debug.h"
#if defined(V8_TARGET_ARCH_IA32)
-#include "code-stubs-ia32.h"
+#include "code-stubs.h"
#include "codegen-inl.h"
namespace v8 {
#if defined(V8_TARGET_ARCH_IA32)
+#include "code-stubs.h"
#include "bootstrapper.h"
-#include "code-stubs-ia32.h"
-#include "codegen-inl.h"
+#include "jsregexp.h"
#include "regexp-macro-assembler.h"
namespace v8 {
STATIC_ASSERT(kPointerSize == 4);
STATIC_ASSERT(kSmiTagSize == 1);
STATIC_ASSERT(kSmiTag == 0);
- __ mov(ecx, CodeGenerator::FixedArrayElementOperand(ecx, eax));
+ __ mov(ecx, FieldOperand(ecx, eax, times_half_pointer_size,
+ FixedArray::kHeaderSize));
__ cmp(ecx, Factory::undefined_value());
__ j(equal, &slow_case);
#ifndef V8_IA32_CODE_STUBS_IA32_H_
#define V8_IA32_CODE_STUBS_IA32_H_
-#include "codegen-inl.h"
-#include "ast.h"
+#include "macro-assembler.h"
+#include "code-stubs.h"
#include "ic-inl.h"
namespace v8 {
void GenerateCall(MacroAssembler* masm, Register left, Smi* right);
void GenerateCall(MacroAssembler* masm, Smi* left, Register right);
- Result GenerateCall(MacroAssembler* masm,
- VirtualFrame* frame,
- Result* left,
- Result* right);
-
bool ArgsInRegistersSupported() {
return op_ == Token::ADD || op_ == Token::SUB
|| op_ == Token::MUL || op_ == Token::DIV;
virtual InlineCacheState GetICState() {
return BinaryOpIC::ToState(runtime_operands_type_);
}
+
+ friend class CodeGenerator;
};
#if defined(V8_TARGET_ARCH_IA32)
-#include "bootstrapper.h"
-#include "code-stubs-ia32.h"
#include "codegen-inl.h"
+#include "bootstrapper.h"
+#include "code-stubs.h"
#include "compiler.h"
#include "debug.h"
#include "ic-inl.h"
overwrite_mode,
NO_SMI_CODE_IN_STUB,
operands_type);
- answer = stub.GenerateCall(masm_, frame_, &left, &right);
+ answer = GenerateGenericBinaryOpStubCall(&stub, &left, &right);
} else if (right_is_smi_constant) {
answer = ConstantSmiBinaryOperation(expr, &left, right.handle(),
false, overwrite_mode);
overwrite_mode,
NO_GENERIC_BINARY_FLAGS,
operands_type);
- answer = stub.GenerateCall(masm_, frame_, &left, &right);
+ answer = GenerateGenericBinaryOpStubCall(&stub, &left, &right);
}
}
}
+Result CodeGenerator::GenerateGenericBinaryOpStubCall(GenericBinaryOpStub* stub,
+ Result* left,
+ Result* right) {
+ if (stub->ArgsInRegistersSupported()) {
+ stub->SetArgsInRegisters();
+ return frame_->CallStub(stub, left, right);
+ } else {
+ frame_->Push(left);
+ frame_->Push(right);
+ return frame_->CallStub(stub, 2);
+ }
+}
+
+
bool CodeGenerator::FoldConstantSmis(Token::Value op, int left, int right) {
Object* answer_object = Heap::undefined_value();
switch (op) {
}
-Result GenericBinaryOpStub::GenerateCall(MacroAssembler* masm,
- VirtualFrame* frame,
- Result* left,
- Result* right) {
- if (ArgsInRegistersSupported()) {
- SetArgsInRegisters();
- return frame->CallStub(this, left, right);
- } else {
- frame->Push(left);
- frame->Push(right);
- return frame->CallStub(this, 2);
- }
-}
-
-
#undef __
#define __ masm.
void Int32BinaryOperation(BinaryOperation* node);
+ // Generate a stub call from the virtual frame.
+ Result GenerateGenericBinaryOpStubCall(GenericBinaryOpStub* stub,
+ Result* left,
+ Result* right);
+
void Comparison(AstNode* node,
Condition cc,
bool strict,
#if defined(V8_TARGET_ARCH_IA32)
-#include "code-stubs-ia32.h"
+#include "code-stubs.h"
#include "codegen-inl.h"
#include "compiler.h"
#include "debug.h"
#include "unicode.h"
#include "log.h"
-#include "ast.h"
#include "regexp-stack.h"
#include "macro-assembler.h"
#include "regexp-macro-assembler.h"
-#include "ia32/macro-assembler-ia32.h"
#include "ia32/regexp-macro-assembler-ia32.h"
namespace v8 {
#include "v8.h"
#include "bootstrapper.h"
+#include "code-stubs.h"
#include "global-handles.h"
#include "log.h"
#include "macro-assembler.h"
case Code::BINARY_OP_IC:
// fall through
case Code::STUB:
- description = CodeStub::MajorName(code_object->major_key(), true);
+ description =
+ CodeStub::MajorName(CodeStub::GetMajorKey(code_object), true);
if (description == NULL)
description = "A stub from the snapshot";
tag = Logger::STUB_TAG;
#error Unsupported target architecture.
#endif
+namespace v8 {
+namespace internal {
+
+// Support for "structured" code comments.
+#ifdef DEBUG
+
+class Comment {
+ public:
+ Comment(MacroAssembler* masm, const char* msg);
+ ~Comment();
+
+ private:
+ MacroAssembler* masm_;
+ const char* msg_;
+};
+
+#else
+
+class Comment {
+ public:
+ Comment(MacroAssembler*, const char*) {}
+};
+
+#endif // DEBUG
+
+} } // namespace v8::internal
+
#endif // V8_MACRO_ASSEMBLER_H_
}
-CodeStub::Major Code::major_key() {
+int Code::major_key() {
ASSERT(kind() == STUB || kind() == BINARY_OP_IC);
- return static_cast<CodeStub::Major>(READ_BYTE_FIELD(this,
- kStubMajorKeyOffset));
+ return READ_BYTE_FIELD(this, kStubMajorKeyOffset);
}
-void Code::set_major_key(CodeStub::Major major) {
+void Code::set_major_key(int major) {
ASSERT(kind() == STUB || kind() == BINARY_OP_IC);
ASSERT(0 <= major && major < 256);
WRITE_BYTE_FIELD(this, kStubMajorKeyOffset, major);
#define V8_OBJECTS_H_
#include "builtins.h"
-#include "code-stubs.h"
#include "smart-pointer.h"
#include "unicode-inl.h"
#if V8_TARGET_ARCH_ARM
inline bool is_keyed_call_stub() { return kind() == KEYED_CALL_IC; }
// [major_key]: For kind STUB or BINARY_OP_IC, the major key.
- inline CodeStub::Major major_key();
- inline void set_major_key(CodeStub::Major major);
+ inline int major_key();
+ inline void set_major_key(int major);
// Flags operations.
static inline Flags ComputeFlags(Kind kind,
#ifndef V8_REGEXP_MACRO_ASSEMBLER_H_
#define V8_REGEXP_MACRO_ASSEMBLER_H_
+#include "ast.h"
+
namespace v8 {
namespace internal {
#if defined(V8_TARGET_ARCH_X64)
#include "bootstrapper.h"
-#include "code-stubs-x64.h"
-#include "codegen-inl.h"
+#include "code-stubs.h"
#include "regexp-macro-assembler.h"
namespace v8 {
#ifndef V8_X64_CODE_STUBS_X64_H_
#define V8_X64_CODE_STUBS_X64_H_
-#include "codegen-inl.h"
-#include "ast.h"
#include "ic-inl.h"
+#include "type-info.h"
namespace v8 {
namespace internal {
void GenerateCall(MacroAssembler* masm, Register left, Smi* right);
void GenerateCall(MacroAssembler* masm, Smi* left, Register right);
- Result GenerateCall(MacroAssembler* masm,
- VirtualFrame* frame,
- Result* left,
- Result* right);
-
bool ArgsInRegistersSupported() {
return (op_ == Token::ADD) || (op_ == Token::SUB)
|| (op_ == Token::MUL) || (op_ == Token::DIV);
virtual InlineCacheState GetICState() {
return BinaryOpIC::ToState(runtime_operands_type_);
}
+
+ friend class CodeGenerator;
};
class StringHelper : public AllStatic {
#if defined(V8_TARGET_ARCH_X64)
#include "bootstrapper.h"
-#include "code-stubs-x64.h"
+#include "code-stubs.h"
#include "codegen-inl.h"
#include "compiler.h"
#include "debug.h"
overwrite_mode,
NO_SMI_CODE_IN_STUB,
operands_type);
- answer = stub.GenerateCall(masm_, frame_, &left, &right);
+ answer = GenerateGenericBinaryOpStubCall(&stub, &left, &right);
} else if (right_is_smi_constant) {
answer = ConstantSmiBinaryOperation(expr, &left, right.handle(),
false, overwrite_mode);
overwrite_mode,
NO_GENERIC_BINARY_FLAGS,
operands_type);
- answer = stub.GenerateCall(masm_, frame_, &left, &right);
+ answer = GenerateGenericBinaryOpStubCall(&stub, &left, &right);
}
}
}
-Result GenericBinaryOpStub::GenerateCall(MacroAssembler* masm,
- VirtualFrame* frame,
- Result* left,
- Result* right) {
- if (ArgsInRegistersSupported()) {
- SetArgsInRegisters();
- return frame->CallStub(this, left, right);
+Result CodeGenerator::GenerateGenericBinaryOpStubCall(GenericBinaryOpStub* stub,
+ Result* left,
+ Result* right) {
+ if (stub->ArgsInRegistersSupported()) {
+ stub->SetArgsInRegisters();
+ return frame_->CallStub(stub, left, right);
} else {
- frame->Push(left);
- frame->Push(right);
- return frame->CallStub(this, 2);
+ frame_->Push(left);
+ frame_->Push(right);
+ return frame_->CallStub(stub, 2);
}
}
void GenericBinaryOperation(BinaryOperation* expr,
OverwriteMode overwrite_mode);
+ // Generate a stub call from the virtual frame.
+ Result GenerateGenericBinaryOpStubCall(GenericBinaryOpStub* stub,
+ Result* left,
+ Result* right);
+
// Emits code sequence that jumps to a JumpTarget if the inputs
// are both smis. Cannot be in MacroAssembler because it takes
// advantage of TypeInfo to skip unneeded checks.
#if defined(V8_TARGET_ARCH_X64)
-#include "code-stubs-x64.h"
+#include "code-stubs.h"
#include "codegen-inl.h"
#include "compiler.h"
#include "debug.h"
#include "serialize.h"
#include "unicode.h"
#include "log.h"
-#include "ast.h"
#include "regexp-stack.h"
#include "macro-assembler.h"
#include "regexp-macro-assembler.h"
-#include "x64/macro-assembler-x64.h"
#include "x64/regexp-macro-assembler-x64.h"
namespace v8 {
#if defined(V8_TARGET_ARCH_X64)
#include "ic-inl.h"
-#include "code-stubs-x64.h"
+#include "code-stubs.h"
#include "codegen-inl.h"
#include "stub-cache.h"
-#include "macro-assembler-x64.h"
+#include "macro-assembler.h"
namespace v8 {
namespace internal {
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