#ifndef JITStubs_h
#define JITStubs_h
#include "Register.h"
#include <wtf/Platform.h>
#if ENABLE(JIT)
namespace JSC {
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 RegExp;
union JITStubArg {
void* asPointer;
EncodedJSValue asEncodedJSValue;
int32_t asInt32;
JSValue jsValue() { return JSValue::decode(asEncodedJSValue); }
Identifier& identifier() { return *static_cast<Identifier*>(asPointer); }
int32_t int32() { return asInt32; }
CodeBlock* codeBlock() { return static_cast<CodeBlock*>(asPointer); }
FuncDeclNode* funcDeclNode() { return static_cast<FuncDeclNode*>(asPointer); }
FuncExprNode* funcExprNode() { return static_cast<FuncExprNode*>(asPointer); }
RegExp* regExp() { return static_cast<RegExp*>(asPointer); }
JSPropertyNameIterator* propertyNameIterator() { return static_cast<JSPropertyNameIterator*>(asPointer); }
void* returnAddress() { return asPointer; }
};
#if PLATFORM(X86_64)
struct JITStackFrame {
JITStubArg padding; JITStubArg args[8];
void* savedRBX;
void* savedR15;
void* savedR14;
void* savedR13;
void* savedR12;
void* savedRBP;
void* savedRIP;
void* code;
RegisterFile* registerFile;
CallFrame* callFrame;
JSValue* exception;
Profiler** enabledProfilerReference;
JSGlobalData* globalData;
void** returnAddressSlot() { return reinterpret_cast<void**>(this) - 1; }
};
#else
struct JITStackFrame {
JITStubArg padding; JITStubArg args[6];
void* savedEBX;
void* savedEDI;
void* savedESI;
void* savedEBP;
void* savedEIP;
void* code;
RegisterFile* registerFile;
CallFrame* callFrame;
JSValue* exception;
Profiler** enabledProfilerReference;
JSGlobalData* globalData;
void** returnAddressSlot() { return reinterpret_cast<void**>(this) - 1; }
};
#endif
#if USE(JIT_STUB_ARGUMENT_VA_LIST)
#define STUB_ARGS_DECLARATION void* args, ...
#define STUB_ARGS (reinterpret_cast<void**>(vl_args) - 1)
#else // JIT_STUB_ARGUMENT_REGISTER or JIT_STUB_ARGUMENT_STACK
#define STUB_ARGS_DECLARATION void** args
#define STUB_ARGS (args)
#endif
#if USE(JIT_STUB_ARGUMENT_REGISTER)
#if PLATFORM(X86_64)
#define JIT_STUB
#elif COMPILER(MSVC)
#define JIT_STUB __fastcall
#elif COMPILER(GCC)
#define JIT_STUB __attribute__ ((fastcall))
#else
#error Need to support register calling convention in this compiler
#endif
#else // JIT_STUB_ARGUMENT_VA_LIST or JIT_STUB_ARGUMENT_STACK
#if COMPILER(MSVC)
#define JIT_STUB __cdecl
#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
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" EncodedJSValue ctiTrampoline(
#if PLATFORM(X86_64)
void*, void*, void*, void*, void*, void*,
#endif
void* code, RegisterFile*, CallFrame*, JSValue* exception, Profiler**, JSGlobalData*);
class JITStubs {
public:
JITStubs(JSGlobalData*);
static void JIT_STUB cti_op_create_arguments(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_create_arguments_no_params(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_debug(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_end(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_jmp_scopes(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_pop_scope(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_profile_did_call(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_profile_will_call(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_put_by_id(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_put_by_id_fail(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_put_by_id_generic(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_put_by_id_second(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_put_by_index(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_put_by_val(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_put_by_val_array(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_put_by_val_byte_array(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_put_getter(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_put_setter(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_ret_scopeChain(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_tear_off_activation(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_op_tear_off_arguments(STUB_ARGS_DECLARATION);
static void JIT_STUB cti_register_file_check(STUB_ARGS_DECLARATION);
static int JIT_STUB cti_op_jless(STUB_ARGS_DECLARATION);
static int JIT_STUB cti_op_jlesseq(STUB_ARGS_DECLARATION);
static int JIT_STUB cti_op_jtrue(STUB_ARGS_DECLARATION);
static int JIT_STUB cti_op_load_varargs(STUB_ARGS_DECLARATION);
static int JIT_STUB cti_op_loop_if_less(STUB_ARGS_DECLARATION);
static int JIT_STUB cti_op_loop_if_lesseq(STUB_ARGS_DECLARATION);
static int JIT_STUB cti_op_loop_if_true(STUB_ARGS_DECLARATION);
static int JIT_STUB cti_timeout_check(STUB_ARGS_DECLARATION);
static void* JIT_STUB cti_op_call_JSFunction(STUB_ARGS_DECLARATION);
static void* JIT_STUB cti_op_switch_char(STUB_ARGS_DECLARATION);
static void* JIT_STUB cti_op_switch_imm(STUB_ARGS_DECLARATION);
static void* JIT_STUB cti_op_switch_string(STUB_ARGS_DECLARATION);
static void* JIT_STUB cti_vm_dontLazyLinkCall(STUB_ARGS_DECLARATION);
static void* JIT_STUB cti_vm_lazyLinkCall(STUB_ARGS_DECLARATION);
static JSObject* JIT_STUB cti_op_construct_JSConstruct(STUB_ARGS_DECLARATION);
static JSObject* JIT_STUB cti_op_convert_this(STUB_ARGS_DECLARATION);
static JSObject* JIT_STUB cti_op_new_array(STUB_ARGS_DECLARATION);
static JSObject* JIT_STUB cti_op_new_error(STUB_ARGS_DECLARATION);
static JSObject* JIT_STUB cti_op_new_func(STUB_ARGS_DECLARATION);
static JSObject* JIT_STUB cti_op_new_func_exp(STUB_ARGS_DECLARATION);
static JSObject* JIT_STUB cti_op_new_object(STUB_ARGS_DECLARATION);
static JSObject* JIT_STUB cti_op_new_regexp(STUB_ARGS_DECLARATION);
static JSObject* JIT_STUB cti_op_push_activation(STUB_ARGS_DECLARATION);
static JSObject* JIT_STUB cti_op_push_new_scope(STUB_ARGS_DECLARATION);
static JSObject* JIT_STUB cti_op_push_scope(STUB_ARGS_DECLARATION);
static JSPropertyNameIterator* JIT_STUB cti_op_get_pnames(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_add(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_bitand(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_bitnot(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_bitor(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_bitxor(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_call_NotJSFunction(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_call_eval(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_construct_NotJSConstruct(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_del_by_id(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_del_by_val(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_div(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_eq(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_get_by_id(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_get_by_id_array_fail(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_get_by_id_generic(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_get_by_id_proto_fail(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list_full(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_get_by_id_second(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_get_by_id_self_fail(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_get_by_id_string_fail(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_get_by_val(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_get_by_val_byte_array(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_get_by_val_string(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_in(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_instanceof(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_is_boolean(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_is_function(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_is_number(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_is_object(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_is_string(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_is_undefined(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_less(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_lesseq(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_lshift(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_mod(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_mul(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_negate(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_neq(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_next_pname(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_not(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_nstricteq(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_pre_dec(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_pre_inc(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_resolve(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_resolve_base(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_resolve_global(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_resolve_skip(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_rshift(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_strcat(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_stricteq(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_sub(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_throw(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_to_jsnumber(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_to_primitive(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_typeof(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_urshift(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_vm_throw(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_post_dec(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_post_inc(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_resolve_func(STUB_ARGS_DECLARATION);
static EncodedJSValue JIT_STUB cti_op_resolve_with_base(STUB_ARGS_DECLARATION);
static VoidPtrPair JIT_STUB cti_op_call_arityCheck(STUB_ARGS_DECLARATION);
static void tryCacheGetByID(CallFrame*, CodeBlock*, void* returnAddress, JSValue baseValue, const Identifier& propertyName, const PropertySlot&);
static void tryCachePutByID(CallFrame*, CodeBlock*, void* returnAddress, JSValue baseValue, const PutPropertySlot&);
void* ctiArrayLengthTrampoline() { return m_ctiArrayLengthTrampoline; }
void* ctiStringLengthTrampoline() { return m_ctiStringLengthTrampoline; }
void* ctiVirtualCallPreLink() { return m_ctiVirtualCallPreLink; }
void* ctiVirtualCallLink() { return m_ctiVirtualCallLink; }
void* ctiVirtualCall() { return m_ctiVirtualCall; }
void* ctiNativeCallThunk() { return m_ctiNativeCallThunk; }
private:
RefPtr<ExecutablePool> m_executablePool;
void* m_ctiArrayLengthTrampoline;
void* m_ctiStringLengthTrampoline;
void* m_ctiVirtualCallPreLink;
void* m_ctiVirtualCallLink;
void* m_ctiVirtualCall;
void* m_ctiNativeCallThunk;
};
}
#endif // ENABLE(JIT)
#endif // JITStubs_h