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Diffstat (limited to 'Source/JavaScriptCore/jit/JITStubs.h')
| -rw-r--r-- | Source/JavaScriptCore/jit/JITStubs.h | 416 |
1 files changed, 416 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/jit/JITStubs.h b/Source/JavaScriptCore/jit/JITStubs.h new file mode 100644 index 0000000..937134b --- /dev/null +++ b/Source/JavaScriptCore/jit/JITStubs.h @@ -0,0 +1,416 @@ +/* + * Copyright (C) 2008 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 "MacroAssemblerCodeRef.h" +#include "Register.h" +#include "ThunkGenerators.h" +#include <wtf/HashMap.h> + +#if ENABLE(JIT) + +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; + + 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; } + }; +#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)) + #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, 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); + + PassRefPtr<NativeExecutable> hostFunctionStub(JSGlobalData* globalData, NativeFunction func); + PassRefPtr<NativeExecutable> hostFunctionStub(JSGlobalData* globalData, NativeFunction func, ThunkGenerator generator); + private: + typedef HashMap<ThunkGenerator, MacroAssemblerCodePtr> CTIStubMap; + CTIStubMap m_ctiStubMap; + typedef HashMap<NativeFunction, RefPtr<NativeExecutable> > HostFunctionStubMap; + 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_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_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_op_throw_reference_error(STUB_ARGS_DECLARATION); + void JIT_STUB cti_op_throw_syntax_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" + +} // namespace JSC + +#endif // ENABLE(JIT) + +#endif // JITStubs_h |