/* * 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 * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 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 * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef JITStubs_h #define JITStubs_h #include "CallData.h" #include "Intrinsic.h" #include "LowLevelInterpreter.h" #include "MacroAssemblerCodeRef.h" #include "Register.h" #include "ResolveOperation.h" namespace JSC { #if ENABLE(JIT) struct StructureStubInfo; class ArrayAllocationProfile; class CodeBlock; class ExecutablePool; class FunctionExecutable; class Identifier; class VM; class JSGlobalObject; class JSObject; class JSPropertyNameIterator; class JSStack; class JSValue; class JSValueEncodedAsPointer; class LegacyProfiler; class NativeExecutable; class PropertySlot; class PutPropertySlot; class RegExp; class Structure; template class Weak; union JITStubArg { void* asPointer; EncodedJSValue asEncodedJSValue; int32_t asInt32; JSValue jsValue() { return JSValue::decode(asEncodedJSValue); } JSObject* jsObject() { return static_cast(asPointer); } Register* reg() { return static_cast(asPointer); } Identifier& identifier() { return *static_cast(asPointer); } int32_t int32() { return asInt32; } CodeBlock* codeBlock() { return static_cast(asPointer); } FunctionExecutable* function() { return static_cast(asPointer); } RegExp* regExp() { return static_cast(asPointer); } JSPropertyNameIterator* propertyNameIterator() { return static_cast(asPointer); } JSGlobalObject* globalObject() { return static_cast(asPointer); } JSString* jsString() { return static_cast(asPointer); } Structure* structure() { return static_cast(asPointer); } ReturnAddressPtr returnAddress() { return ReturnAddressPtr(asPointer); } ResolveOperations* resolveOperations() { return static_cast(asPointer); } PutToBaseOperation* putToBaseOperation() { return static_cast(asPointer); } ArrayAllocationProfile* arrayAllocationProfile() { return static_cast(asPointer); } }; #if !OS(WINDOWS) && CPU(X86_64) struct JITStackFrame { void* reserved; // Unused JITStubArg args[6]; void* padding[2]; // Maintain 32-byte stack alignment (possibly overkill). void* code; JSStack* stack; CallFrame* callFrame; void* unused1; void* unused2; VM* vm; 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(this) - 1; } }; #elif OS(WINDOWS) && CPU(X86_64) struct JITStackFrame { void* shadow[4]; // Shadow space reserved for a callee's parameters home addresses void* reserved; // Unused, also maintains the 16-bytes stack alignment JITStubArg args[6]; void* savedRBX; void* savedR15; void* savedR14; void* savedR13; void* savedR12; void* savedRBP; void* savedRIP; // Home addresses for our register passed parameters // http://msdn.microsoft.com/en-us/library/ew5tede7.aspx void* code; JSStack* stack; CallFrame* callFrame; void* unused1; // Passed on the stack void* unused2; VM* vm; // When JIT code makes a call, it pushes its return address just below the rest of the stack. ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast(this) - 1; } }; #elif CPU(X86) #if COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC)) || OS(QNX) #pragma pack(push) #pragma pack(4) #endif // COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC)) || OS(QNX) 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; JSStack* stack; CallFrame* callFrame; void* unused1; void* unused2; VM* vm; // When JIT code makes a call, it pushes its return address just below the rest of the stack. ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast(this) - 1; } }; #if COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC)) || OS(QNX) #pragma pack(pop) #endif // COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC)) || OS(QNX) #elif CPU(ARM_THUMB2) struct JITStackFrame { JITStubArg reserved; // Unused JITStubArg args[6]; ReturnAddressPtr thunkReturnAddress; void* preservedReturnAddress; void* preservedR4; void* preservedR5; void* preservedR6; void* preservedR7; void* preservedR8; void* preservedR9; void* preservedR10; void* preservedR11; // These arguments passed in r1..r3 (r0 contained the entry code pointed, which is not preserved) JSStack* stack; CallFrame* callFrame; // These arguments passed on the stack. void* unused1; VM* vm; 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* preservedR8; void* preservedR9; void* preservedR10; void* preservedR11; void* preservedLink; JSStack* stack; CallFrame* callFrame; void* unused1; // These arguments passed on the stack. void* unused2; VM* vm; // 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* preservedS3; void* preservedS4; void* preservedReturnAddress; ReturnAddressPtr thunkReturnAddress; // These arguments passed in a1..a3 (a0 contained the entry code pointed, which is not preserved) JSStack* stack; CallFrame* callFrame; void* unused1; // These arguments passed on the stack. void* unused2; VM* vm; ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; } }; #elif CPU(SH4) struct JITStackFrame { JITStubArg padding; // Unused JITStubArg args[6]; ReturnAddressPtr thunkReturnAddress; void* savedR8; void* savedR9; void* savedR10; void* savedR11; void* savedR13; void* savedRPR; void* savedR14; // These arguments are passed in r5, r6 and r7. JSStack* stack; CallFrame* callFrame; JSValue* exception; // These arguments are passed on the stack. void* unused1; VM* vm; ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; } }; #else #error "JITStackFrame not defined for this platform." #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)) #elif COMPILER(SUNCC) #define JIT_STUB #else #error "JIT_STUB function calls require fastcall conventions on x86, add appropriate directive/attribute here for your compiler!" #endif #else #define JIT_STUB #endif extern "C" void ctiVMThrowTrampoline(); extern "C" void ctiOpThrowNotCaught(); extern "C" EncodedJSValue ctiTrampoline(void* code, JSStack*, CallFrame*, void* /*unused1*/, void* /*unused2*/, VM*); #if ENABLE(DFG_JIT) extern "C" void ctiTrampolineEnd(); inline bool returnAddressIsInCtiTrampoline(ReturnAddressPtr returnAddress) { return returnAddress.value() >= bitwise_cast(&ctiTrampoline) && returnAddress.value() < bitwise_cast(&ctiTrampolineEnd); } #endif void performPlatformSpecificJITAssertions(VM*); extern "C" { EncodedJSValue JIT_STUB cti_op_add(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_bitand(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_bitor(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_bitxor(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_call_NotJSFunction(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_call_eval(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_construct_NotJSConstruct(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_check_has_instance(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_create_this(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_convert_this(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_create_arguments(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_del_by_id(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_del_by_val(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_div(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_id(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_id_array_fail(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_id_custom_stub(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_id_generic(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_id_getter_stub(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_id_proto_fail(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list_full(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_id_self_fail(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_id_string_fail(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_val(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_val_generic(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_get_by_val_string(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_in(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_instanceof(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_is_boolean(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_is_function(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_is_number(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_is_object(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_is_string(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_is_undefined(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_less(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_lesseq(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_greater(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_greatereq(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_lshift(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_mod(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_mul(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_negate(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_not(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_nstricteq(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_dec(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_inc(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_resolve(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_resolve_base(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_resolve_base_strict_put(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_resolve_with_base(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_resolve_with_this(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_put_to_base(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_rshift(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_strcat(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_stricteq(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_sub(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_to_number(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_to_primitive(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_typeof(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_op_urshift(STUB_ARGS_DECLARATION) WTF_INTERNAL; EncodedJSValue JIT_STUB cti_to_object(STUB_ARGS_DECLARATION) WTF_INTERNAL; JSObject* JIT_STUB cti_op_new_array(STUB_ARGS_DECLARATION) WTF_INTERNAL; JSObject* JIT_STUB cti_op_new_array_with_size(STUB_ARGS_DECLARATION) WTF_INTERNAL; JSObject* JIT_STUB cti_op_new_array_buffer(STUB_ARGS_DECLARATION) WTF_INTERNAL; JSObject* JIT_STUB cti_op_new_func(STUB_ARGS_DECLARATION) WTF_INTERNAL; JSObject* JIT_STUB cti_op_new_func_exp(STUB_ARGS_DECLARATION) WTF_INTERNAL; JSObject* JIT_STUB cti_op_new_object(STUB_ARGS_DECLARATION) WTF_INTERNAL; JSObject* JIT_STUB cti_op_new_regexp(STUB_ARGS_DECLARATION) WTF_INTERNAL; JSObject* JIT_STUB cti_op_push_activation(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_push_name_scope(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_push_with_scope(STUB_ARGS_DECLARATION) WTF_INTERNAL; JSObject* JIT_STUB cti_op_put_by_id_transition_realloc(STUB_ARGS_DECLARATION) WTF_INTERNAL; JSPropertyNameIterator* JIT_STUB cti_op_get_pnames(STUB_ARGS_DECLARATION) WTF_INTERNAL; int JIT_STUB cti_op_eq(STUB_ARGS_DECLARATION) WTF_INTERNAL; int JIT_STUB cti_op_eq_strings(STUB_ARGS_DECLARATION) WTF_INTERNAL; int JIT_STUB cti_op_jless(STUB_ARGS_DECLARATION) WTF_INTERNAL; int JIT_STUB cti_op_jlesseq(STUB_ARGS_DECLARATION) WTF_INTERNAL; int JIT_STUB cti_op_jgreater(STUB_ARGS_DECLARATION) WTF_INTERNAL; int JIT_STUB cti_op_jgreatereq(STUB_ARGS_DECLARATION) WTF_INTERNAL; int JIT_STUB cti_op_jtrue(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_op_load_varargs(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_handle_watchdog_timer(STUB_ARGS_DECLARATION) WTF_INTERNAL; int JIT_STUB cti_has_property(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_debug(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_end(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_pop_scope(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_profile_did_call(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_profile_will_call(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_put_by_id(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_put_by_id_fail(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_put_by_id_generic(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_put_by_id_direct(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_put_by_id_direct_fail(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_put_by_id_direct_generic(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_put_by_index(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_put_by_val(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_put_by_val_generic(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_put_getter_setter(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_init_global_const_check(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_tear_off_activation(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_tear_off_arguments(STUB_ARGS_DECLARATION) WTF_INTERNAL; void JIT_STUB cti_op_throw_static_error(STUB_ARGS_DECLARATION) WTF_INTERNAL; #if ENABLE(DFG_JIT) void JIT_STUB cti_optimize(STUB_ARGS_DECLARATION) WTF_INTERNAL; #endif void* JIT_STUB cti_op_call_arityCheck(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_op_construct_arityCheck(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_op_call_jitCompile(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_op_construct_jitCompile(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_op_switch_char(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_op_switch_imm(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_op_switch_string(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_op_throw(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_stack_check(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_vm_lazyLinkCall(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_vm_lazyLinkClosureCall(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_vm_lazyLinkConstruct(STUB_ARGS_DECLARATION) WTF_INTERNAL; void* JIT_STUB cti_vm_throw(STUB_ARGS_DECLARATION) REFERENCED_FROM_ASM WTF_INTERNAL; } // extern "C" #elif ENABLE(LLINT_C_LOOP) struct JITStackFrame { VM* vm; }; #endif // ENABLE(LLINT_C_LOOP) } // namespace JSC #endif // JITStubs_h