--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,368 @@
+/*
+ * 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];
+
+ 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<ReturnAddressPtr*>(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<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_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);
+ 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