1 | /* |
2 | * Copyright (C) 2008 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * |
8 | * 1. Redistributions of source code must retain the above copyright |
9 | * notice, this list of conditions and the following disclaimer. |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
11 | * notice, this list of conditions and the following disclaimer in the |
12 | * documentation and/or other materials provided with the distribution. |
13 | * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
14 | * its contributors may be used to endorse or promote products derived |
15 | * from this software without specific prior written permission. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
20 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
22 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
23 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | #ifndef JITStubs_h |
30 | #define JITStubs_h |
31 | |
32 | #include <wtf/Platform.h> |
33 | |
34 | #include "MacroAssemblerCodeRef.h" |
35 | #include "Register.h" |
36 | |
37 | #if ENABLE(JIT) |
38 | |
39 | namespace JSC { |
40 | |
41 | struct StructureStubInfo; |
42 | |
43 | class CodeBlock; |
44 | class ExecutablePool; |
45 | class FunctionExecutable; |
46 | class Identifier; |
47 | class JSGlobalData; |
48 | class JSGlobalData; |
49 | class JSObject; |
50 | class JSPropertyNameIterator; |
51 | class JSValue; |
52 | class JSValueEncodedAsPointer; |
53 | class Profiler; |
54 | class PropertySlot; |
55 | class PutPropertySlot; |
56 | class RegisterFile; |
57 | class JSGlobalObject; |
58 | class RegExp; |
59 | |
60 | union JITStubArg { |
61 | void* asPointer; |
62 | EncodedJSValue asEncodedJSValue; |
63 | int32_t asInt32; |
64 | |
65 | JSValue jsValue() { return JSValue::decode(ptr: asEncodedJSValue); } |
66 | JSObject* jsObject() { return static_cast<JSObject*>(asPointer); } |
67 | Identifier& identifier() { return *static_cast<Identifier*>(asPointer); } |
68 | int32_t int32() { return asInt32; } |
69 | CodeBlock* codeBlock() { return static_cast<CodeBlock*>(asPointer); } |
70 | FunctionExecutable* function() { return static_cast<FunctionExecutable*>(asPointer); } |
71 | RegExp* regExp() { return static_cast<RegExp*>(asPointer); } |
72 | JSPropertyNameIterator* propertyNameIterator() { return static_cast<JSPropertyNameIterator*>(asPointer); } |
73 | JSGlobalObject* globalObject() { return static_cast<JSGlobalObject*>(asPointer); } |
74 | JSString* jsString() { return static_cast<JSString*>(asPointer); } |
75 | ReturnAddressPtr returnAddress() { return ReturnAddressPtr(asPointer); } |
76 | }; |
77 | |
78 | #if CPU(X86_64) |
79 | struct JITStackFrame { |
80 | void* reserved; // Unused |
81 | JITStubArg args[6]; |
82 | void* padding[2]; // Maintain 32-byte stack alignment (possibly overkill). |
83 | |
84 | void* code; |
85 | RegisterFile* registerFile; |
86 | CallFrame* callFrame; |
87 | JSValue* exception; |
88 | Profiler** enabledProfilerReference; |
89 | JSGlobalData* globalData; |
90 | |
91 | void* savedRBX; |
92 | void* savedR15; |
93 | void* savedR14; |
94 | void* savedR13; |
95 | void* savedR12; |
96 | void* savedRBP; |
97 | void* savedRIP; |
98 | |
99 | // When JIT code makes a call, it pushes its return address just below the rest of the stack. |
100 | ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; } |
101 | }; |
102 | #elif CPU(X86) |
103 | #if COMPILER(MSVC) |
104 | #pragma pack(push) |
105 | #pragma pack(4) |
106 | #endif // COMPILER(MSVC) |
107 | struct JITStackFrame { |
108 | void* reserved; // Unused |
109 | JITStubArg args[6]; |
110 | #if USE(JSVALUE32_64) |
111 | void* padding[2]; // Maintain 16-byte stack alignment. |
112 | #endif |
113 | |
114 | void* savedEBX; |
115 | void* savedEDI; |
116 | void* savedESI; |
117 | void* savedEBP; |
118 | void* savedEIP; |
119 | |
120 | void* code; |
121 | RegisterFile* registerFile; |
122 | CallFrame* callFrame; |
123 | JSValue* exception; |
124 | Profiler** enabledProfilerReference; |
125 | JSGlobalData* globalData; |
126 | |
127 | // When JIT code makes a call, it pushes its return address just below the rest of the stack. |
128 | ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; } |
129 | }; |
130 | #if COMPILER(MSVC) |
131 | #pragma pack(pop) |
132 | #endif // COMPILER(MSVC) |
133 | #elif CPU(ARM_THUMB2) |
134 | struct JITStackFrame { |
135 | void* reserved; // Unused |
136 | JITStubArg args[6]; |
137 | #if USE(JSVALUE32_64) |
138 | void* padding[2]; // Maintain 16-byte stack alignment. |
139 | #endif |
140 | |
141 | ReturnAddressPtr thunkReturnAddress; |
142 | |
143 | void* preservedReturnAddress; |
144 | void* preservedR4; |
145 | void* preservedR5; |
146 | void* preservedR6; |
147 | |
148 | // These arguments passed in r1..r3 (r0 contained the entry code pointed, which is not preserved) |
149 | RegisterFile* registerFile; |
150 | CallFrame* callFrame; |
151 | JSValue* exception; |
152 | |
153 | void* padding2; |
154 | |
155 | // These arguments passed on the stack. |
156 | Profiler** enabledProfilerReference; |
157 | JSGlobalData* globalData; |
158 | |
159 | ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; } |
160 | }; |
161 | #elif CPU(ARM_TRADITIONAL) |
162 | struct JITStackFrame { |
163 | JITStubArg padding; // Unused |
164 | JITStubArg args[7]; |
165 | |
166 | ReturnAddressPtr thunkReturnAddress; |
167 | |
168 | void* preservedR4; |
169 | void* preservedR5; |
170 | void* preservedR6; |
171 | void* preservedR7; |
172 | void* preservedR8; |
173 | void* preservedLink; |
174 | |
175 | RegisterFile* registerFile; |
176 | CallFrame* callFrame; |
177 | JSValue* exception; |
178 | |
179 | // These arguments passed on the stack. |
180 | Profiler** enabledProfilerReference; |
181 | JSGlobalData* globalData; |
182 | |
183 | // When JIT code makes a call, it pushes its return address just below the rest of the stack. |
184 | ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; } |
185 | }; |
186 | #else |
187 | #error "JITStackFrame not defined for this platform." |
188 | #endif |
189 | |
190 | #define JITSTACKFRAME_ARGS_INDEX (OBJECT_OFFSETOF(JITStackFrame, args) / sizeof(void*)) |
191 | |
192 | #if USE(JIT_STUB_ARGUMENT_VA_LIST) |
193 | #define STUB_ARGS_DECLARATION void* args, ... |
194 | #define STUB_ARGS (reinterpret_cast<void**>(vl_args) - 1) |
195 | |
196 | #if COMPILER(MSVC) |
197 | #define JIT_STUB __cdecl |
198 | #else |
199 | #define JIT_STUB |
200 | #endif |
201 | #else |
202 | #define STUB_ARGS_DECLARATION void** args |
203 | #define STUB_ARGS (args) |
204 | |
205 | #if CPU(X86) && COMPILER(MSVC) |
206 | #define JIT_STUB __fastcall |
207 | #elif CPU(X86) && COMPILER(GCC) |
208 | #define JIT_STUB __attribute__ ((fastcall)) |
209 | #else |
210 | #define JIT_STUB |
211 | #endif |
212 | #endif |
213 | |
214 | #if CPU(X86_64) |
215 | struct VoidPtrPair { |
216 | void* first; |
217 | void* second; |
218 | }; |
219 | #define RETURN_POINTER_PAIR(a,b) VoidPtrPair pair = { a, b }; return pair |
220 | #else |
221 | // MSVC doesn't support returning a two-value struct in two registers, so |
222 | // we cast the struct to int64_t instead. |
223 | typedef uint64_t VoidPtrPair; |
224 | union VoidPtrPairUnion { |
225 | struct { void* first; void* second; } s; |
226 | VoidPtrPair i; |
227 | }; |
228 | #define RETURN_POINTER_PAIR(a,b) VoidPtrPairUnion pair = {{ a, b }}; return pair.i |
229 | #endif |
230 | |
231 | extern "C" void ctiVMThrowTrampoline(); |
232 | extern "C" void ctiOpThrowNotCaught(); |
233 | extern "C" EncodedJSValue ctiTrampoline(void* code, RegisterFile*, CallFrame*, JSValue* exception, Profiler**, JSGlobalData*); |
234 | |
235 | class JITThunks { |
236 | public: |
237 | JITThunks(JSGlobalData*); |
238 | |
239 | static void tryCacheGetByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const Identifier& propertyName, const PropertySlot&, StructureStubInfo* stubInfo); |
240 | static void tryCachePutByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const PutPropertySlot&, StructureStubInfo* stubInfo); |
241 | |
242 | MacroAssemblerCodePtr ctiStringLengthTrampoline() { return m_ctiStringLengthTrampoline; } |
243 | MacroAssemblerCodePtr ctiVirtualCallLink() { return m_ctiVirtualCallLink; } |
244 | MacroAssemblerCodePtr ctiVirtualCall() { return m_ctiVirtualCall; } |
245 | MacroAssemblerCodePtr ctiNativeCallThunk() { return m_ctiNativeCallThunk; } |
246 | |
247 | private: |
248 | RefPtr<ExecutablePool> m_executablePool; |
249 | |
250 | MacroAssemblerCodePtr m_ctiStringLengthTrampoline; |
251 | MacroAssemblerCodePtr m_ctiVirtualCallLink; |
252 | MacroAssemblerCodePtr m_ctiVirtualCall; |
253 | MacroAssemblerCodePtr m_ctiNativeCallThunk; |
254 | }; |
255 | |
256 | #if COMPILER(GCC) |
257 | #pragma GCC visibility push(hidden) |
258 | #endif |
259 | |
260 | extern "C" { |
261 | EncodedJSValue JIT_STUB cti_op_add(STUB_ARGS_DECLARATION); |
262 | EncodedJSValue JIT_STUB cti_op_bitand(STUB_ARGS_DECLARATION); |
263 | EncodedJSValue JIT_STUB cti_op_bitnot(STUB_ARGS_DECLARATION); |
264 | EncodedJSValue JIT_STUB cti_op_bitor(STUB_ARGS_DECLARATION); |
265 | EncodedJSValue JIT_STUB cti_op_bitxor(STUB_ARGS_DECLARATION); |
266 | EncodedJSValue JIT_STUB cti_op_call_NotJSFunction(STUB_ARGS_DECLARATION); |
267 | EncodedJSValue JIT_STUB cti_op_call_eval(STUB_ARGS_DECLARATION); |
268 | EncodedJSValue JIT_STUB cti_op_construct_NotJSConstruct(STUB_ARGS_DECLARATION); |
269 | EncodedJSValue JIT_STUB cti_op_convert_this(STUB_ARGS_DECLARATION); |
270 | EncodedJSValue JIT_STUB cti_op_del_by_id(STUB_ARGS_DECLARATION); |
271 | EncodedJSValue JIT_STUB cti_op_del_by_val(STUB_ARGS_DECLARATION); |
272 | EncodedJSValue JIT_STUB cti_op_div(STUB_ARGS_DECLARATION); |
273 | EncodedJSValue JIT_STUB cti_op_get_by_id(STUB_ARGS_DECLARATION); |
274 | EncodedJSValue JIT_STUB cti_op_get_by_id_array_fail(STUB_ARGS_DECLARATION); |
275 | EncodedJSValue JIT_STUB cti_op_get_by_id_generic(STUB_ARGS_DECLARATION); |
276 | EncodedJSValue JIT_STUB cti_op_get_by_id_method_check(STUB_ARGS_DECLARATION); |
277 | EncodedJSValue JIT_STUB cti_op_get_by_id_proto_fail(STUB_ARGS_DECLARATION); |
278 | EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list(STUB_ARGS_DECLARATION); |
279 | EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list_full(STUB_ARGS_DECLARATION); |
280 | EncodedJSValue JIT_STUB cti_op_get_by_id_self_fail(STUB_ARGS_DECLARATION); |
281 | EncodedJSValue JIT_STUB cti_op_get_by_id_string_fail(STUB_ARGS_DECLARATION); |
282 | EncodedJSValue JIT_STUB cti_op_get_by_val(STUB_ARGS_DECLARATION); |
283 | EncodedJSValue JIT_STUB cti_op_get_by_val_byte_array(STUB_ARGS_DECLARATION); |
284 | EncodedJSValue JIT_STUB cti_op_get_by_val_string(STUB_ARGS_DECLARATION); |
285 | EncodedJSValue JIT_STUB cti_op_in(STUB_ARGS_DECLARATION); |
286 | EncodedJSValue JIT_STUB cti_op_instanceof(STUB_ARGS_DECLARATION); |
287 | EncodedJSValue JIT_STUB cti_op_is_boolean(STUB_ARGS_DECLARATION); |
288 | EncodedJSValue JIT_STUB cti_op_is_function(STUB_ARGS_DECLARATION); |
289 | EncodedJSValue JIT_STUB cti_op_is_number(STUB_ARGS_DECLARATION); |
290 | EncodedJSValue JIT_STUB cti_op_is_object(STUB_ARGS_DECLARATION); |
291 | EncodedJSValue JIT_STUB cti_op_is_string(STUB_ARGS_DECLARATION); |
292 | EncodedJSValue JIT_STUB cti_op_is_undefined(STUB_ARGS_DECLARATION); |
293 | EncodedJSValue JIT_STUB cti_op_less(STUB_ARGS_DECLARATION); |
294 | EncodedJSValue JIT_STUB cti_op_lesseq(STUB_ARGS_DECLARATION); |
295 | EncodedJSValue JIT_STUB cti_op_lshift(STUB_ARGS_DECLARATION); |
296 | EncodedJSValue JIT_STUB cti_op_mod(STUB_ARGS_DECLARATION); |
297 | EncodedJSValue JIT_STUB cti_op_mul(STUB_ARGS_DECLARATION); |
298 | EncodedJSValue JIT_STUB cti_op_negate(STUB_ARGS_DECLARATION); |
299 | EncodedJSValue JIT_STUB cti_op_not(STUB_ARGS_DECLARATION); |
300 | EncodedJSValue JIT_STUB cti_op_nstricteq(STUB_ARGS_DECLARATION); |
301 | EncodedJSValue JIT_STUB cti_op_post_dec(STUB_ARGS_DECLARATION); |
302 | EncodedJSValue JIT_STUB cti_op_post_inc(STUB_ARGS_DECLARATION); |
303 | EncodedJSValue JIT_STUB cti_op_pre_dec(STUB_ARGS_DECLARATION); |
304 | EncodedJSValue JIT_STUB cti_op_pre_inc(STUB_ARGS_DECLARATION); |
305 | EncodedJSValue JIT_STUB cti_op_resolve(STUB_ARGS_DECLARATION); |
306 | EncodedJSValue JIT_STUB cti_op_resolve_base(STUB_ARGS_DECLARATION); |
307 | EncodedJSValue JIT_STUB cti_op_resolve_global(STUB_ARGS_DECLARATION); |
308 | EncodedJSValue JIT_STUB cti_op_resolve_skip(STUB_ARGS_DECLARATION); |
309 | EncodedJSValue JIT_STUB cti_op_resolve_with_base(STUB_ARGS_DECLARATION); |
310 | EncodedJSValue JIT_STUB cti_op_rshift(STUB_ARGS_DECLARATION); |
311 | EncodedJSValue JIT_STUB cti_op_strcat(STUB_ARGS_DECLARATION); |
312 | EncodedJSValue JIT_STUB cti_op_stricteq(STUB_ARGS_DECLARATION); |
313 | EncodedJSValue JIT_STUB cti_op_sub(STUB_ARGS_DECLARATION); |
314 | EncodedJSValue JIT_STUB cti_op_throw(STUB_ARGS_DECLARATION); |
315 | EncodedJSValue JIT_STUB cti_op_to_jsnumber(STUB_ARGS_DECLARATION); |
316 | EncodedJSValue JIT_STUB cti_op_to_primitive(STUB_ARGS_DECLARATION); |
317 | EncodedJSValue JIT_STUB cti_op_typeof(STUB_ARGS_DECLARATION); |
318 | EncodedJSValue JIT_STUB cti_op_urshift(STUB_ARGS_DECLARATION); |
319 | EncodedJSValue JIT_STUB cti_vm_throw(STUB_ARGS_DECLARATION); |
320 | EncodedJSValue JIT_STUB cti_to_object(STUB_ARGS_DECLARATION); |
321 | JSObject* JIT_STUB cti_op_construct_JSConstruct(STUB_ARGS_DECLARATION); |
322 | JSObject* JIT_STUB cti_op_new_array(STUB_ARGS_DECLARATION); |
323 | JSObject* JIT_STUB cti_op_new_error(STUB_ARGS_DECLARATION); |
324 | JSObject* JIT_STUB cti_op_new_func(STUB_ARGS_DECLARATION); |
325 | JSObject* JIT_STUB cti_op_new_func_exp(STUB_ARGS_DECLARATION); |
326 | JSObject* JIT_STUB cti_op_new_object(STUB_ARGS_DECLARATION); |
327 | JSObject* JIT_STUB cti_op_new_regexp(STUB_ARGS_DECLARATION); |
328 | JSObject* JIT_STUB cti_op_push_activation(STUB_ARGS_DECLARATION); |
329 | JSObject* JIT_STUB cti_op_push_new_scope(STUB_ARGS_DECLARATION); |
330 | JSObject* JIT_STUB cti_op_push_scope(STUB_ARGS_DECLARATION); |
331 | JSObject* JIT_STUB cti_op_put_by_id_transition_realloc(STUB_ARGS_DECLARATION); |
332 | JSPropertyNameIterator* JIT_STUB cti_op_get_pnames(STUB_ARGS_DECLARATION); |
333 | VoidPtrPair JIT_STUB cti_op_call_arityCheck(STUB_ARGS_DECLARATION); |
334 | int JIT_STUB cti_op_eq(STUB_ARGS_DECLARATION); |
335 | #if USE(JSVALUE32_64) |
336 | int JIT_STUB cti_op_eq_strings(STUB_ARGS_DECLARATION); |
337 | #endif |
338 | int JIT_STUB cti_op_jless(STUB_ARGS_DECLARATION); |
339 | int JIT_STUB cti_op_jlesseq(STUB_ARGS_DECLARATION); |
340 | int JIT_STUB cti_op_jtrue(STUB_ARGS_DECLARATION); |
341 | int JIT_STUB cti_op_load_varargs(STUB_ARGS_DECLARATION); |
342 | int JIT_STUB cti_op_loop_if_lesseq(STUB_ARGS_DECLARATION); |
343 | int JIT_STUB cti_timeout_check(STUB_ARGS_DECLARATION); |
344 | int JIT_STUB cti_has_property(STUB_ARGS_DECLARATION); |
345 | void JIT_STUB cti_op_create_arguments(STUB_ARGS_DECLARATION); |
346 | void JIT_STUB cti_op_create_arguments_no_params(STUB_ARGS_DECLARATION); |
347 | void JIT_STUB cti_op_debug(STUB_ARGS_DECLARATION); |
348 | #ifdef QT_BUILD_SCRIPT_LIB |
349 | void JIT_STUB cti_op_debug_catch(STUB_ARGS_DECLARATION); |
350 | void JIT_STUB cti_op_debug_return(STUB_ARGS_DECLARATION); |
351 | #endif |
352 | void JIT_STUB cti_op_end(STUB_ARGS_DECLARATION); |
353 | void JIT_STUB cti_op_jmp_scopes(STUB_ARGS_DECLARATION); |
354 | void JIT_STUB cti_op_pop_scope(STUB_ARGS_DECLARATION); |
355 | void JIT_STUB cti_op_profile_did_call(STUB_ARGS_DECLARATION); |
356 | void JIT_STUB cti_op_profile_will_call(STUB_ARGS_DECLARATION); |
357 | void JIT_STUB cti_op_put_by_id(STUB_ARGS_DECLARATION); |
358 | void JIT_STUB cti_op_put_by_id_fail(STUB_ARGS_DECLARATION); |
359 | void JIT_STUB cti_op_put_by_id_generic(STUB_ARGS_DECLARATION); |
360 | void JIT_STUB cti_op_put_by_index(STUB_ARGS_DECLARATION); |
361 | void JIT_STUB cti_op_put_by_val(STUB_ARGS_DECLARATION); |
362 | void JIT_STUB cti_op_put_by_val_byte_array(STUB_ARGS_DECLARATION); |
363 | void JIT_STUB cti_op_put_getter(STUB_ARGS_DECLARATION); |
364 | void JIT_STUB cti_op_put_setter(STUB_ARGS_DECLARATION); |
365 | void JIT_STUB cti_op_ret_scopeChain(STUB_ARGS_DECLARATION); |
366 | void JIT_STUB cti_op_tear_off_activation(STUB_ARGS_DECLARATION); |
367 | void JIT_STUB cti_op_tear_off_arguments(STUB_ARGS_DECLARATION); |
368 | void JIT_STUB cti_register_file_check(STUB_ARGS_DECLARATION); |
369 | void* JIT_STUB cti_op_call_JSFunction(STUB_ARGS_DECLARATION); |
370 | void* JIT_STUB cti_op_switch_char(STUB_ARGS_DECLARATION); |
371 | void* JIT_STUB cti_op_switch_imm(STUB_ARGS_DECLARATION); |
372 | void* JIT_STUB cti_op_switch_string(STUB_ARGS_DECLARATION); |
373 | void* JIT_STUB cti_vm_lazyLinkCall(STUB_ARGS_DECLARATION); |
374 | } // extern "C" |
375 | |
376 | #if COMPILER(GCC) |
377 | #pragma GCC visibility pop |
378 | #endif |
379 | |
380 | } // namespace JSC |
381 | |
382 | #endif // ENABLE(JIT) |
383 | |
384 | #endif // JITStubs_h |
385 | |