/* | |
* 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 "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); } | |
}; | |
struct TrampolineStructure { | |
MacroAssemblerCodePtr ctiStringLengthTrampoline; | |
MacroAssemblerCodePtr ctiVirtualCallLink; | |
MacroAssemblerCodePtr ctiVirtualCall; | |
MacroAssemblerCodePtr ctiNativeCallThunk; | |
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; | |
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 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; | |
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) || (OS(WINDOWS) && COMPILER(GCC)) | |
#pragma pack(pop) | |
#endif // COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC)) | |
#elif CPU(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 CPU(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 CPU(X86) && COMPILER(MSVC) | |
#define JIT_STUB __fastcall | |
#elif CPU(X86) && COMPILER(GCC) | |
#define JIT_STUB __attribute__ ((fastcall)) | |
#else | |
#define JIT_STUB | |
#endif | |
#endif | |
#if CPU(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_trampolineStructure.ctiStringLengthTrampoline; } | |
MacroAssemblerCodePtr ctiVirtualCallLink() { return m_trampolineStructure.ctiVirtualCallLink; } | |
MacroAssemblerCodePtr ctiVirtualCall() { return m_trampolineStructure.ctiVirtualCall; } | |
MacroAssemblerCodePtr ctiNativeCallThunk() { return m_trampolineStructure.ctiNativeCallThunk; } | |
MacroAssemblerCodePtr ctiSoftModulo() { return m_trampolineStructure.ctiSoftModulo; } | |
private: | |
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_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_getter_stub(STUB_ARGS_DECLARATION); | |
EncodedJSValue JIT_STUB cti_op_get_by_id_custom_stub(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); | |
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_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 |