/* * Copyright (C) 2008 Apple Inc. 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 #include "MacroAssemblerCodeRef.h" #include "Register.h" #if ENABLE(JIT) namespace JSC { struct StructureStubInfo; class CodeBlock; class ExecutablePool; class Identifier; class JSGlobalData; class JSGlobalData; class JSObject; class JSPropertyNameIterator; class JSValue; class JSValueEncodedAsPointer; class Profiler; class PropertySlot; class PutPropertySlot; class RegisterFile; class FuncDeclNode; class FuncExprNode; class JSGlobalObject; class RegExp; union JITStubArg { void* asPointer; EncodedJSValue asEncodedJSValue; int32_t asInt32; JSValue jsValue() { return JSValue::decode(asEncodedJSValue); } Identifier& identifier() { return *static_cast(asPointer); } int32_t int32() { return asInt32; } CodeBlock* codeBlock() { return static_cast(asPointer); } FuncDeclNode* funcDeclNode() { return static_cast(asPointer); } FuncExprNode* funcExprNode() { 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); } ReturnAddressPtr returnAddress() { return ReturnAddressPtr(asPointer); } }; #if PLATFORM(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; JSValue* exception; 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(this) - 1; } }; #elif PLATFORM(X86) #if COMPILER(MSVC) #pragma pack(push) #pragma pack(4) #endif // COMPILER(MSVC) 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; JSValue* exception; 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(this) - 1; } }; #if COMPILER(MSVC) #pragma pack(pop) #endif // COMPILER(MSVC) #elif PLATFORM_ARM_ARCH(7) struct JITStackFrame { void* reserved; // Unused JITStubArg args[6]; #if USE(JSVALUE32_64) void* padding[2]; // 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; JSValue* exception; // These arguments passed on the stack. Profiler** enabledProfilerReference; JSGlobalData* globalData; ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; } }; #elif PLATFORM(ARM) struct JITStackFrame { JITStubArg padding; // Unused JITStubArg args[7]; void* preservedR4; void* preservedR5; void* preservedR6; void* preservedR7; void* preservedR8; void* preservedLink; RegisterFile* registerFile; CallFrame* callFrame; JSValue* exception; 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(this) - 1; } }; #else #error "JITStackFrame not defined for this platform." #endif #if USE(JIT_STUB_ARGUMENT_VA_LIST) #define STUB_ARGS_DECLARATION void* args, ... #define STUB_ARGS (reinterpret_cast(vl_args) - 1) #if COMPILER(MSVC) #define JIT_STUB __cdecl #else #define JIT_STUB #endif #else #define STUB_ARGS_DECLARATION void** args #define STUB_ARGS (args) #if PLATFORM(X86) && COMPILER(MSVC) #define JIT_STUB __fastcall #elif PLATFORM(X86) && COMPILER(GCC) #define JIT_STUB __attribute__ ((fastcall)) #else #define JIT_STUB #endif #endif #if PLATFORM(X86_64) struct VoidPtrPair { void* first; void* second; }; #define RETURN_POINTER_PAIR(a,b) VoidPtrPair pair = { a, b }; return pair #else // MSVC doesn't support returning a two-value struct in two registers, so // we cast the struct to int64_t instead. typedef uint64_t VoidPtrPair; union VoidPtrPairUnion { struct { void* first; void* second; } s; VoidPtrPair i; }; #define RETURN_POINTER_PAIR(a,b) VoidPtrPairUnion pair = {{ a, b }}; return pair.i #endif extern "C" void ctiVMThrowTrampoline(); extern "C" void ctiOpThrowNotCaught(); extern "C" EncodedJSValue ctiTrampoline(void* code, RegisterFile*, CallFrame*, JSValue* exception, Profiler**, JSGlobalData*); class JITThunks { public: JITThunks(JSGlobalData*); 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); MacroAssemblerCodePtr ctiStringLengthTrampoline() { return m_ctiStringLengthTrampoline; } MacroAssemblerCodePtr ctiVirtualCallLink() { return m_ctiVirtualCallLink; } MacroAssemblerCodePtr ctiVirtualCall() { return m_ctiVirtualCall; } MacroAssemblerCodePtr ctiNativeCallThunk() { return m_ctiNativeCallThunk; } private: RefPtr m_executablePool; MacroAssemblerCodePtr m_ctiStringLengthTrampoline; MacroAssemblerCodePtr m_ctiVirtualCallLink; MacroAssemblerCodePtr m_ctiVirtualCall; MacroAssemblerCodePtr m_ctiNativeCallThunk; }; 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_convert_this(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_generic(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_next_pname(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_global(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_throw(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_vm_throw(STUB_ARGS_DECLARATION); JSObject* JIT_STUB cti_op_construct_JSConstruct(STUB_ARGS_DECLARATION); JSObject* JIT_STUB cti_op_new_array(STUB_ARGS_DECLARATION); JSObject* JIT_STUB cti_op_new_error(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); VoidPtrPair JIT_STUB cti_op_call_arityCheck(STUB_ARGS_DECLARATION); int JIT_STUB cti_op_eq(STUB_ARGS_DECLARATION); #if USE(JSVALUE32_64) int JIT_STUB cti_op_eq_strings(STUB_ARGS_DECLARATION); #endif 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_less(STUB_ARGS_DECLARATION); int JIT_STUB cti_op_loop_if_lesseq(STUB_ARGS_DECLARATION); int JIT_STUB cti_op_loop_if_true(STUB_ARGS_DECLARATION); int JIT_STUB cti_timeout_check(STUB_ARGS_DECLARATION); void JIT_STUB cti_op_create_arguments(STUB_ARGS_DECLARATION); void JIT_STUB cti_op_create_arguments_no_params(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_index(STUB_ARGS_DECLARATION); void JIT_STUB cti_op_put_by_val(STUB_ARGS_DECLARATION); void JIT_STUB cti_op_put_by_val_array(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_ret_scopeChain(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_register_file_check(STUB_ARGS_DECLARATION); void* JIT_STUB cti_op_call_JSFunction(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_vm_lazyLinkCall(STUB_ARGS_DECLARATION); } // extern "C" } // namespace JSC #endif // ENABLE(JIT) #endif // JITStubs_h