| /* |
| * 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 <wtf/Platform.h> |
| |
| #include "MacroAssemblerCodeRef.h" |
| #include "Register.h" |
| |
| #if ENABLE(JIT) |
| |
| namespace JSC { |
| |
| struct StructureStubInfo; |
| |
| class CodeBlock; |
| class ExecutablePool; |
| class FunctionExecutable; |
| class Identifier; |
| class JSGlobalData; |
| class JSGlobalData; |
| class JSObject; |
| class JSPropertyNameIterator; |
| class JSValue; |
| class JSValueEncodedAsPointer; |
| class Profiler; |
| class PropertySlot; |
| class PutPropertySlot; |
| class RegisterFile; |
| class JSGlobalObject; |
| class RegExp; |
| |
| 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); } |
| }; |
| |
| #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<ReturnAddressPtr*>(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<ReturnAddressPtr*>(this) - 1; } |
| }; |
| #if COMPILER(MSVC) |
| #pragma pack(pop) |
| #endif // COMPILER(MSVC) |
| #elif PLATFORM(ARM_THUMB2) |
| 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; |
| |
| void* padding2; |
| |
| // These arguments passed on the stack. |
| Profiler** enabledProfilerReference; |
| JSGlobalData* globalData; |
| |
| ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; } |
| }; |
| #elif PLATFORM(ARM_TRADITIONAL) |
| 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; |
| JSValue* exception; |
| |
| // 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; } |
| }; |
| #else |
| #error "JITStackFrame not defined for this platform." |
| #endif |
| |
| #define JITSTACKFRAME_ARGS_INDEX (OBJECT_OFFSETOF(JITStackFrame, args) / sizeof(void*)) |
| |
| #if USE(JIT_STUB_ARGUMENT_VA_LIST) |
| #define STUB_ARGS_DECLARATION void* args, ... |
| #define STUB_ARGS (reinterpret_cast<void**>(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<ExecutablePool> 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_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); |
| EncodedJSValue JIT_STUB cti_to_object(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_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_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_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 |
