/*
- * Copyright (C) 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2008, 2013 Apple Inc. All rights reserved.
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ * 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
#ifndef JITStubs_h
#define JITStubs_h
-#include "CallData.h"
-#include "MacroAssemblerCodeRef.h"
-#include "Register.h"
-#include "ThunkGenerators.h"
-#include <wtf/HashMap.h>
-
-#if ENABLE(JIT)
+#include "JSCJSValue.h"
namespace JSC {
- struct StructureStubInfo;
-
- class CodeBlock;
- class ExecutablePool;
- class FunctionExecutable;
- class Identifier;
- class JSGlobalData;
- class JSGlobalObject;
- class JSObject;
- class JSPropertyNameIterator;
- class JSValue;
- class JSValueEncodedAsPointer;
- class NativeExecutable;
- class Profiler;
- class PropertySlot;
- class PutPropertySlot;
- class RegisterFile;
- class RegExp;
-
- template <typename T> class Weak;
-
- union JITStubArg {
- void* asPointer;
- EncodedJSValue asEncodedJSValue;
- int32_t asInt32;
-
- JSValue jsValue() { return JSValue::decode(asEncodedJSValue); }
- JSObject* jsObject() { return static_cast<JSObject*>(asPointer); }
- Identifier& identifier() { return *static_cast<Identifier*>(asPointer); }
- int32_t int32() { return asInt32; }
- CodeBlock* codeBlock() { return static_cast<CodeBlock*>(asPointer); }
- FunctionExecutable* function() { return static_cast<FunctionExecutable*>(asPointer); }
- RegExp* regExp() { return static_cast<RegExp*>(asPointer); }
- JSPropertyNameIterator* propertyNameIterator() { return static_cast<JSPropertyNameIterator*>(asPointer); }
- JSGlobalObject* globalObject() { return static_cast<JSGlobalObject*>(asPointer); }
- JSString* jsString() { return static_cast<JSString*>(asPointer); }
- ReturnAddressPtr returnAddress() { return ReturnAddressPtr(asPointer); }
- };
-
- struct TrampolineStructure {
- MacroAssemblerCodePtr ctiStringLengthTrampoline;
- MacroAssemblerCodePtr ctiVirtualCallLink;
- MacroAssemblerCodePtr ctiVirtualConstructLink;
- MacroAssemblerCodePtr ctiVirtualCall;
- MacroAssemblerCodePtr ctiVirtualConstruct;
- MacroAssemblerCodePtr ctiNativeCall;
- MacroAssemblerCodePtr ctiNativeConstruct;
- MacroAssemblerCodePtr ctiSoftModulo;
- };
-
-#if CPU(X86_64)
- struct JITStackFrame {
- void* reserved; // Unused
- JITStubArg args[6];
- void* padding[2]; // Maintain 32-byte stack alignment (possibly overkill).
-
- void* code;
- RegisterFile* registerFile;
- CallFrame* callFrame;
- void* unused1;
- Profiler** enabledProfilerReference;
- JSGlobalData* globalData;
-
- void* savedRBX;
- void* savedR15;
- void* savedR14;
- void* savedR13;
- void* savedR12;
- void* savedRBP;
- void* savedRIP;
-
- // When JIT code makes a call, it pushes its return address just below the rest of the stack.
- ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; }
- };
-#elif CPU(X86)
-#if COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
-#pragma pack(push)
-#pragma pack(4)
-#endif // COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
- struct JITStackFrame {
- void* reserved; // Unused
- JITStubArg args[6];
-#if USE(JSVALUE32_64)
- void* padding[2]; // Maintain 16-byte stack alignment.
-#endif
-
- void* savedEBX;
- void* savedEDI;
- void* savedESI;
- void* savedEBP;
- void* savedEIP;
-
- void* code;
- RegisterFile* registerFile;
- CallFrame* callFrame;
- void* unused1;
- Profiler** enabledProfilerReference;
- JSGlobalData* globalData;
-
- // When JIT code makes a call, it pushes its return address just below the rest of the stack.
- ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; }
- };
-#if COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
-#pragma pack(pop)
-#endif // COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
-#elif CPU(ARM_THUMB2)
- struct JITStackFrame {
- JITStubArg reserved; // Unused
- JITStubArg args[6];
-#if USE(JSVALUE64)
- void* padding; // Maintain 16-byte stack alignment.
-#endif
-
- ReturnAddressPtr thunkReturnAddress;
-
- void* preservedReturnAddress;
- void* preservedR4;
- void* preservedR5;
- void* preservedR6;
-
- // These arguments passed in r1..r3 (r0 contained the entry code pointed, which is not preserved)
- RegisterFile* registerFile;
- CallFrame* callFrame;
- void* unused1;
-
- // These arguments passed on the stack.
- Profiler** enabledProfilerReference;
- JSGlobalData* globalData;
-
- ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
- };
-#elif CPU(ARM_TRADITIONAL)
-#if COMPILER(MSVC)
-#pragma pack(push)
-#pragma pack(4)
-#endif // COMPILER(MSVC)
- struct JITStackFrame {
- JITStubArg padding; // Unused
- JITStubArg args[7];
-
- ReturnAddressPtr thunkReturnAddress;
-
- void* preservedR4;
- void* preservedR5;
- void* preservedR6;
- void* preservedR7;
- void* preservedR8;
- void* preservedLink;
-
- RegisterFile* registerFile;
- CallFrame* callFrame;
- void* unused1;
-
- // These arguments passed on the stack.
- Profiler** enabledProfilerReference;
- JSGlobalData* globalData;
-
- // When JIT code makes a call, it pushes its return address just below the rest of the stack.
- ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
- };
-#if COMPILER(MSVC)
-#pragma pack(pop)
-#endif // COMPILER(MSVC)
-#elif CPU(MIPS)
- struct JITStackFrame {
- JITStubArg reserved; // Unused
- JITStubArg args[6];
-
-#if USE(JSVALUE32_64)
- void* padding; // Make the overall stack length 8-byte aligned.
-#endif
-
- void* preservedGP; // store GP when using PIC code
- void* preservedS0;
- void* preservedS1;
- void* preservedS2;
- void* preservedReturnAddress;
-
- ReturnAddressPtr thunkReturnAddress;
-
- // These arguments passed in a1..a3 (a0 contained the entry code pointed, which is not preserved)
- RegisterFile* registerFile;
- CallFrame* callFrame;
- void* unused1;
-
- // These arguments passed on the stack.
- Profiler** enabledProfilerReference;
- JSGlobalData* globalData;
-
- ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
- };
-#elif CPU(SH4)
- struct JITStackFrame {
- JITStubArg padding; // Unused
- JITStubArg args[6];
-
- ReturnAddressPtr thunkReturnAddress;
- void* savedR10;
- void* savedR11;
- void* savedR13;
- void* savedRPR;
- void* savedR14;
- void* savedTimeoutReg;
+#if ENABLE(JIT)
- RegisterFile* registerFile;
- CallFrame* callFrame;
- JSValue* exception;
- Profiler** enabledProfilerReference;
- JSGlobalData* globalData;
+#if OS(WINDOWS)
+struct ProtoCallFrame;
+class VM;
- ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
- };
-#else
-#error "JITStackFrame not defined for this platform."
+extern "C" {
+ EncodedJSValue callToJavaScript(void*, VM*, ProtoCallFrame*);
+ EncodedJSValue callToNativeFunction(void*, VM*, ProtoCallFrame*);
+}
#endif
-#define JITSTACKFRAME_ARGS_INDEX (OBJECT_OFFSETOF(JITStackFrame, args) / sizeof(void*))
-
-#define STUB_ARGS_DECLARATION void** args
-#define STUB_ARGS (args)
-
-#if CPU(X86)
- #if COMPILER(MSVC)
- #define JIT_STUB __fastcall
- #elif COMPILER(GCC)
- #define JIT_STUB __attribute__ ((fastcall))
- #else
- #error "JIT_STUB function calls require fastcall conventions on x86, add appropriate directive/attribute here for your compiler!"
- #endif
-#else
- #define JIT_STUB
+#if USE(MASM_PROBE)
+extern "C" void ctiMasmProbeTrampoline();
#endif
- extern "C" void ctiVMThrowTrampoline();
- extern "C" void ctiOpThrowNotCaught();
- extern "C" EncodedJSValue ctiTrampoline(void* code, RegisterFile*, CallFrame*, void* /*unused1*/, Profiler**, JSGlobalData*);
-
- class JITThunks {
- public:
- JITThunks(JSGlobalData*);
- ~JITThunks();
-
- static void tryCacheGetByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const Identifier& propertyName, const PropertySlot&, StructureStubInfo* stubInfo);
- static void tryCachePutByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const PutPropertySlot&, StructureStubInfo* stubInfo, bool direct);
-
- MacroAssemblerCodePtr ctiStringLengthTrampoline() { return m_trampolineStructure.ctiStringLengthTrampoline; }
- MacroAssemblerCodePtr ctiVirtualCallLink() { return m_trampolineStructure.ctiVirtualCallLink; }
- MacroAssemblerCodePtr ctiVirtualConstructLink() { return m_trampolineStructure.ctiVirtualConstructLink; }
- MacroAssemblerCodePtr ctiVirtualCall() { return m_trampolineStructure.ctiVirtualCall; }
- MacroAssemblerCodePtr ctiVirtualConstruct() { return m_trampolineStructure.ctiVirtualConstruct; }
- MacroAssemblerCodePtr ctiNativeCall() { return m_trampolineStructure.ctiNativeCall; }
- MacroAssemblerCodePtr ctiNativeConstruct() { return m_trampolineStructure.ctiNativeConstruct; }
- MacroAssemblerCodePtr ctiSoftModulo() { return m_trampolineStructure.ctiSoftModulo; }
-
- MacroAssemblerCodePtr ctiStub(JSGlobalData* globalData, ThunkGenerator generator);
-
- NativeExecutable* hostFunctionStub(JSGlobalData*, NativeFunction);
- NativeExecutable* hostFunctionStub(JSGlobalData*, NativeFunction, ThunkGenerator);
-
- void clearHostFunctionStubs();
-
- private:
- typedef HashMap<ThunkGenerator, MacroAssemblerCodePtr> CTIStubMap;
- CTIStubMap m_ctiStubMap;
- typedef HashMap<NativeFunction, Weak<NativeExecutable> > HostFunctionStubMap;
- OwnPtr<HostFunctionStubMap> m_hostFunctionStubMap;
- RefPtr<ExecutablePool> m_executablePool;
-
- TrampolineStructure m_trampolineStructure;
- };
-
-extern "C" {
- EncodedJSValue JIT_STUB cti_op_add(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_bitand(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_bitnot(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_bitor(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_bitxor(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_call_NotJSFunction(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_call_eval(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_construct_NotJSConstruct(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_create_this(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_convert_this(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_convert_this_strict(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_create_arguments(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_create_arguments_no_params(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_del_by_id(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_del_by_val(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_div(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_id(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_id_array_fail(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_id_custom_stub(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_id_generic(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_id_getter_stub(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_id_method_check(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_id_proto_fail(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list_full(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_id_self_fail(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_id_string_fail(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_val(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_val_byte_array(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_get_by_val_string(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_in(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_instanceof(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_is_boolean(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_is_function(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_is_number(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_is_object(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_is_string(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_is_undefined(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_less(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_lesseq(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_lshift(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_mod(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_mul(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_negate(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_not(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_nstricteq(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_post_dec(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_post_inc(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_pre_dec(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_pre_inc(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_resolve(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_resolve_base(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_resolve_base_strict_put(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_ensure_property_exists(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_resolve_global(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_resolve_global_dynamic(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_resolve_skip(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_resolve_with_base(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_rshift(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_strcat(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_stricteq(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_sub(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_to_jsnumber(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_to_primitive(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_typeof(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_urshift(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_to_object(STUB_ARGS_DECLARATION);
- JSObject* JIT_STUB cti_op_new_array(STUB_ARGS_DECLARATION);
- JSObject* JIT_STUB cti_op_new_array_buffer(STUB_ARGS_DECLARATION);
- JSObject* JIT_STUB cti_op_new_func(STUB_ARGS_DECLARATION);
- JSObject* JIT_STUB cti_op_new_func_exp(STUB_ARGS_DECLARATION);
- JSObject* JIT_STUB cti_op_new_object(STUB_ARGS_DECLARATION);
- JSObject* JIT_STUB cti_op_new_regexp(STUB_ARGS_DECLARATION);
- JSObject* JIT_STUB cti_op_push_activation(STUB_ARGS_DECLARATION);
- JSObject* JIT_STUB cti_op_push_new_scope(STUB_ARGS_DECLARATION);
- JSObject* JIT_STUB cti_op_push_scope(STUB_ARGS_DECLARATION);
- JSObject* JIT_STUB cti_op_put_by_id_transition_realloc(STUB_ARGS_DECLARATION);
- JSPropertyNameIterator* JIT_STUB cti_op_get_pnames(STUB_ARGS_DECLARATION);
- int JIT_STUB cti_op_eq(STUB_ARGS_DECLARATION);
- int JIT_STUB cti_op_eq_strings(STUB_ARGS_DECLARATION);
- int JIT_STUB cti_op_jless(STUB_ARGS_DECLARATION);
- int JIT_STUB cti_op_jlesseq(STUB_ARGS_DECLARATION);
- int JIT_STUB cti_op_jtrue(STUB_ARGS_DECLARATION);
- int JIT_STUB cti_op_load_varargs(STUB_ARGS_DECLARATION);
- int JIT_STUB cti_op_loop_if_lesseq(STUB_ARGS_DECLARATION);
- int JIT_STUB cti_timeout_check(STUB_ARGS_DECLARATION);
- int JIT_STUB cti_has_property(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_check_has_instance(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_debug(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_end(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_jmp_scopes(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_pop_scope(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_profile_did_call(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_profile_will_call(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_put_by_id(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_put_by_id_fail(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_put_by_id_generic(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_put_by_id_direct(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_put_by_id_direct_fail(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_put_by_id_direct_generic(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_put_by_index(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_put_by_val(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_put_by_val_byte_array(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_put_getter(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_put_setter(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_tear_off_activation(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_tear_off_arguments(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_throw_reference_error(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_op_call_arityCheck(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_op_construct_arityCheck(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_op_call_jitCompile(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_op_construct_jitCompile(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_op_switch_char(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_op_switch_imm(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_op_switch_string(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_op_throw(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_register_file_check(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_vm_lazyLinkCall(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_vm_lazyLinkConstruct(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_vm_throw(STUB_ARGS_DECLARATION);
-} // extern "C"
+#endif // ENABLE(JIT)
} // namespace JSC
-#endif // ENABLE(JIT)
-
#endif // JITStubs_h