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-rw-r--r--deps/v8/src/code-stubs.h143
1 files changed, 23 insertions, 120 deletions
diff --git a/deps/v8/src/code-stubs.h b/deps/v8/src/code-stubs.h
index 6e23fb9a9d..76057ffcc2 100644
--- a/deps/v8/src/code-stubs.h
+++ b/deps/v8/src/code-stubs.h
@@ -7,7 +7,6 @@
#include "src/allocation.h"
#include "src/assembler.h"
-#include "src/codegen.h"
#include "src/factory.h"
#include "src/globals.h"
#include "src/interface-descriptors.h"
@@ -38,11 +37,7 @@ class Node;
V(JSEntry) \
V(MathPow) \
V(ProfileEntryHook) \
- V(RecordWrite) \
- V(StoreBufferOverflow) \
V(StoreSlowElement) \
- V(SubString) \
- V(NameDictionaryLookup) \
/* --- TurboFanCodeStubs --- */ \
V(ArrayNoArgumentConstructor) \
V(ArraySingleArgumentConstructor) \
@@ -54,7 +49,6 @@ class Node;
V(KeyedStoreSloppyArguments) \
V(LoadScriptContextField) \
V(StoreScriptContextField) \
- V(NumberToString) \
V(StringAdd) \
V(GetProperty) \
V(StoreFastElement) \
@@ -81,35 +75,23 @@ class Node;
// List of code stubs only used on PPC platforms.
#ifdef V8_TARGET_ARCH_PPC
-#define CODE_STUB_LIST_PPC(V) \
- V(DirectCEntry) \
- V(StoreRegistersState) \
- V(RestoreRegistersState)
+#define CODE_STUB_LIST_PPC(V) V(DirectCEntry)
#else
#define CODE_STUB_LIST_PPC(V)
#endif
// List of code stubs only used on MIPS platforms.
#if V8_TARGET_ARCH_MIPS
-#define CODE_STUB_LIST_MIPS(V) \
- V(DirectCEntry) \
- V(RestoreRegistersState) \
- V(StoreRegistersState)
+#define CODE_STUB_LIST_MIPS(V) V(DirectCEntry)
#elif V8_TARGET_ARCH_MIPS64
-#define CODE_STUB_LIST_MIPS(V) \
- V(DirectCEntry) \
- V(RestoreRegistersState) \
- V(StoreRegistersState)
+#define CODE_STUB_LIST_MIPS(V) V(DirectCEntry)
#else
#define CODE_STUB_LIST_MIPS(V)
#endif
// List of code stubs only used on S390 platforms.
#ifdef V8_TARGET_ARCH_S390
-#define CODE_STUB_LIST_S390(V) \
- V(DirectCEntry) \
- V(StoreRegistersState) \
- V(RestoreRegistersState)
+#define CODE_STUB_LIST_S390(V) V(DirectCEntry)
#else
#define CODE_STUB_LIST_S390(V)
#endif
@@ -211,7 +193,7 @@ class CodeStub : public ZoneObject {
// Returns whether the code generated for this stub needs to be allocated as
// a fixed (non-moveable) code object.
- virtual bool NeedsImmovableCode() { return false; }
+ virtual Movability NeedsImmovableCode() { return kMovable; }
virtual void PrintName(std::ostream& os) const; // NOLINT
virtual void PrintBaseName(std::ostream& os) const; // NOLINT
@@ -230,9 +212,6 @@ class CodeStub : public ZoneObject {
// initially generated.
void RecordCodeGeneration(Handle<Code> code);
- // Finish the code object after it has been generated.
- virtual void FinishCode(Handle<Code> code) { }
-
// Activate newly generated stub. Is called after
// registering stub in the stub cache.
virtual void Activate(Code* code) { }
@@ -282,11 +261,6 @@ class CodeStub : public ZoneObject {
void GenerateAssembly(compiler::CodeAssemblerState* state) const override; \
DEFINE_CODE_STUB(NAME, SUPER)
-#define DEFINE_HANDLER_CODE_STUB(NAME, SUPER) \
- public: \
- Handle<Code> GenerateCode() override; \
- DEFINE_CODE_STUB(NAME, SUPER)
-
#define DEFINE_CALL_INTERFACE_DESCRIPTOR(NAME) \
public: \
typedef NAME##Descriptor Descriptor; \
@@ -316,6 +290,9 @@ class PlatformCodeStub : public CodeStub {
// Generates the assembler code for the stub.
virtual void Generate(MacroAssembler* masm) = 0;
+ // Generates the exception handler table for the stub.
+ virtual Handle<HandlerTable> GenerateHandlerTable();
+
DEFINE_CODE_STUB_BASE(PlatformCodeStub, CodeStub);
};
@@ -329,11 +306,11 @@ class CodeStubDescriptor {
CodeStubDescriptor(Isolate* isolate, uint32_t stub_key);
- void Initialize(Address deoptimization_handler = NULL,
+ void Initialize(Address deoptimization_handler = nullptr,
int hint_stack_parameter_count = -1,
StubFunctionMode function_mode = NOT_JS_FUNCTION_STUB_MODE);
void Initialize(Register stack_parameter_count,
- Address deoptimization_handler = NULL,
+ Address deoptimization_handler = nullptr,
int hint_stack_parameter_count = -1,
StubFunctionMode function_mode = NOT_JS_FUNCTION_STUB_MODE);
@@ -439,9 +416,7 @@ class TurboFanCodeStub : public CodeStub {
} // namespace v8
#if V8_TARGET_ARCH_IA32
-#include "src/ia32/code-stubs-ia32.h"
#elif V8_TARGET_ARCH_X64
-#include "src/x64/code-stubs-x64.h"
#elif V8_TARGET_ARCH_ARM64
#include "src/arm64/code-stubs-arm64.h"
#elif V8_TARGET_ARCH_ARM
@@ -518,14 +493,6 @@ class GetPropertyStub : public TurboFanCodeStub {
DEFINE_TURBOFAN_CODE_STUB(GetProperty, TurboFanCodeStub);
};
-class NumberToStringStub final : public TurboFanCodeStub {
- public:
- explicit NumberToStringStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
-
- DEFINE_CALL_INTERFACE_DESCRIPTOR(TypeConversion);
- DEFINE_TURBOFAN_CODE_STUB(NumberToString, TurboFanCodeStub);
-};
-
class GrowArrayElementsStub : public TurboFanCodeStub {
public:
GrowArrayElementsStub(Isolate* isolate, ElementsKind kind)
@@ -638,30 +605,17 @@ class CallApiCallbackStub : public PlatformCodeStub {
static const int kArgBits = 3;
static const int kArgMax = (1 << kArgBits) - 1;
- // CallApiCallbackStub for regular setters and getters.
- CallApiCallbackStub(Isolate* isolate, bool is_store, bool is_lazy)
- : CallApiCallbackStub(isolate, is_store ? 1 : 0, is_store, is_lazy) {}
-
- // CallApiCallbackStub for callback functions.
- CallApiCallbackStub(Isolate* isolate, int argc, bool is_lazy)
- : CallApiCallbackStub(isolate, argc, false, is_lazy) {}
-
- private:
- CallApiCallbackStub(Isolate* isolate, int argc, bool is_store, bool is_lazy)
+ CallApiCallbackStub(Isolate* isolate, int argc)
: PlatformCodeStub(isolate) {
- CHECK(0 <= argc && argc <= kArgMax);
- minor_key_ = IsStoreBits::encode(is_store) |
- ArgumentBits::encode(argc) |
- IsLazyAccessorBits::encode(is_lazy);
+ CHECK_LE(0, argc);
+ CHECK_LE(argc, kArgMax);
+ minor_key_ = ArgumentBits::encode(argc);
}
- bool is_store() const { return IsStoreBits::decode(minor_key_); }
- bool is_lazy() const { return IsLazyAccessorBits::decode(minor_key_); }
+ private:
int argc() const { return ArgumentBits::decode(minor_key_); }
- class IsStoreBits: public BitField<bool, 0, 1> {};
- class IsLazyAccessorBits : public BitField<bool, 1, 1> {};
- class ArgumentBits : public BitField<int, 2, kArgBits> {};
+ class ArgumentBits : public BitField<int, 0, kArgBits> {};
DEFINE_CALL_INTERFACE_DESCRIPTOR(ApiCallback);
DEFINE_PLATFORM_CODE_STUB(CallApiCallback, PlatformCodeStub);
@@ -730,7 +684,7 @@ class CEntryStub : public PlatformCodeStub {
bool is_builtin_exit() const { return FrameTypeBits::decode(minor_key_); }
int result_size() const { return ResultSizeBits::decode(minor_key_); }
- bool NeedsImmovableCode() override;
+ Movability NeedsImmovableCode() override;
class SaveDoublesBits : public BitField<bool, 0, 1> {};
class ArgvMode : public BitField<bool, 1, 1> {};
@@ -741,7 +695,6 @@ class CEntryStub : public PlatformCodeStub {
DEFINE_PLATFORM_CODE_STUB(CEntry, PlatformCodeStub);
};
-
class JSEntryStub : public PlatformCodeStub {
public:
JSEntryStub(Isolate* isolate, StackFrame::Type type)
@@ -751,7 +704,7 @@ class JSEntryStub : public PlatformCodeStub {
}
private:
- void FinishCode(Handle<Code> code) override;
+ Handle<HandlerTable> GenerateHandlerTable() override;
void PrintName(std::ostream& os) const override { // NOLINT
os << (type() == StackFrame::ENTRY ? "JSEntryStub"
@@ -790,45 +743,24 @@ enum EmbedMode {
class DoubleToIStub : public PlatformCodeStub {
public:
- DoubleToIStub(Isolate* isolate, Register source, Register destination,
- int offset, bool is_truncating, bool skip_fastpath = false)
+ DoubleToIStub(Isolate* isolate, Register destination)
: PlatformCodeStub(isolate) {
- minor_key_ = SourceRegisterBits::encode(source.code()) |
- DestinationRegisterBits::encode(destination.code()) |
- OffsetBits::encode(offset) |
- IsTruncatingBits::encode(is_truncating) |
- SkipFastPathBits::encode(skip_fastpath) |
+ minor_key_ = DestinationRegisterBits::encode(destination.code()) |
SSE3Bits::encode(CpuFeatures::IsSupported(SSE3) ? 1 : 0);
}
bool SometimesSetsUpAFrame() override { return false; }
private:
- Register source() const {
- return Register::from_code(SourceRegisterBits::decode(minor_key_));
- }
Register destination() const {
return Register::from_code(DestinationRegisterBits::decode(minor_key_));
}
- bool is_truncating() const { return IsTruncatingBits::decode(minor_key_); }
- bool skip_fastpath() const { return SkipFastPathBits::decode(minor_key_); }
- int offset() const { return OffsetBits::decode(minor_key_); }
static const int kBitsPerRegisterNumber = 6;
STATIC_ASSERT((1L << kBitsPerRegisterNumber) >= Register::kNumRegisters);
- class SourceRegisterBits:
- public BitField<int, 0, kBitsPerRegisterNumber> {}; // NOLINT
- class DestinationRegisterBits:
- public BitField<int, kBitsPerRegisterNumber,
- kBitsPerRegisterNumber> {}; // NOLINT
- class IsTruncatingBits:
- public BitField<bool, 2 * kBitsPerRegisterNumber, 1> {}; // NOLINT
- class OffsetBits:
- public BitField<int, 2 * kBitsPerRegisterNumber + 1, 3> {}; // NOLINT
- class SkipFastPathBits:
- public BitField<int, 2 * kBitsPerRegisterNumber + 4, 1> {}; // NOLINT
- class SSE3Bits:
- public BitField<int, 2 * kBitsPerRegisterNumber + 5, 1> {}; // NOLINT
+ class DestinationRegisterBits
+ : public BitField<int, 0, kBitsPerRegisterNumber> {};
+ class SSE3Bits : public BitField<int, kBitsPerRegisterNumber, 1> {};
DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR();
DEFINE_PLATFORM_CODE_STUB(DoubleToI, PlatformCodeStub);
@@ -1095,37 +1027,8 @@ class ProfileEntryHookStub : public PlatformCodeStub {
};
-class StoreBufferOverflowStub : public PlatformCodeStub {
- public:
- StoreBufferOverflowStub(Isolate* isolate, SaveFPRegsMode save_fp)
- : PlatformCodeStub(isolate) {
- minor_key_ = SaveDoublesBits::encode(save_fp == kSaveFPRegs);
- }
-
- static void GenerateFixedRegStubsAheadOfTime(Isolate* isolate);
- bool SometimesSetsUpAFrame() override { return false; }
-
- private:
- bool save_doubles() const { return SaveDoublesBits::decode(minor_key_); }
-
- class SaveDoublesBits : public BitField<bool, 0, 1> {};
-
- DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR();
- DEFINE_PLATFORM_CODE_STUB(StoreBufferOverflow, PlatformCodeStub);
-};
-
-class SubStringStub : public TurboFanCodeStub {
- public:
- explicit SubStringStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
-
- DEFINE_CALL_INTERFACE_DESCRIPTOR(SubString);
- DEFINE_TURBOFAN_CODE_STUB(SubString, TurboFanCodeStub);
-};
-
-
#undef DEFINE_CALL_INTERFACE_DESCRIPTOR
#undef DEFINE_PLATFORM_CODE_STUB
-#undef DEFINE_HANDLER_CODE_STUB
#undef DEFINE_CODE_STUB
#undef DEFINE_CODE_STUB_BASE
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-11 16:47:12 +0000