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Issue 212163004: Hide some runtime functions. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 8 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 27 matching lines...) Expand all
38 namespace internal { 38 namespace internal {
39 39
40 40
41 void FastNewClosureStub::InitializeInterfaceDescriptor( 41 void FastNewClosureStub::InitializeInterfaceDescriptor(
42 Isolate* isolate, 42 Isolate* isolate,
43 CodeStubInterfaceDescriptor* descriptor) { 43 CodeStubInterfaceDescriptor* descriptor) {
44 static Register registers[] = { r2 }; 44 static Register registers[] = { r2 };
45 descriptor->register_param_count_ = 1; 45 descriptor->register_param_count_ = 1;
46 descriptor->register_params_ = registers; 46 descriptor->register_params_ = registers;
47 descriptor->deoptimization_handler_ = 47 descriptor->deoptimization_handler_ =
48 Runtime::FunctionForId(Runtime::kNewClosureFromStubFailure)->entry; 48 Runtime::FunctionForId(Runtime::kHiddenNewClosureFromStubFailure)->entry;
49 } 49 }
50 50
51 51
52 void FastNewContextStub::InitializeInterfaceDescriptor( 52 void FastNewContextStub::InitializeInterfaceDescriptor(
53 Isolate* isolate, 53 Isolate* isolate,
54 CodeStubInterfaceDescriptor* descriptor) { 54 CodeStubInterfaceDescriptor* descriptor) {
55 static Register registers[] = { r1 }; 55 static Register registers[] = { r1 };
56 descriptor->register_param_count_ = 1; 56 descriptor->register_param_count_ = 1;
57 descriptor->register_params_ = registers; 57 descriptor->register_params_ = registers;
58 descriptor->deoptimization_handler_ = NULL; 58 descriptor->deoptimization_handler_ = NULL;
(...skipping 21 matching lines...) Expand all
80 } 80 }
81 81
82 82
83 void FastCloneShallowArrayStub::InitializeInterfaceDescriptor( 83 void FastCloneShallowArrayStub::InitializeInterfaceDescriptor(
84 Isolate* isolate, 84 Isolate* isolate,
85 CodeStubInterfaceDescriptor* descriptor) { 85 CodeStubInterfaceDescriptor* descriptor) {
86 static Register registers[] = { r3, r2, r1 }; 86 static Register registers[] = { r3, r2, r1 };
87 descriptor->register_param_count_ = 3; 87 descriptor->register_param_count_ = 3;
88 descriptor->register_params_ = registers; 88 descriptor->register_params_ = registers;
89 descriptor->deoptimization_handler_ = 89 descriptor->deoptimization_handler_ =
90 Runtime::FunctionForId(Runtime::kCreateArrayLiteralStubBailout)->entry; 90 Runtime::FunctionForId(
91 Runtime::kHiddenCreateArrayLiteralStubBailout)->entry;
91 } 92 }
92 93
93 94
94 void FastCloneShallowObjectStub::InitializeInterfaceDescriptor( 95 void FastCloneShallowObjectStub::InitializeInterfaceDescriptor(
95 Isolate* isolate, 96 Isolate* isolate,
96 CodeStubInterfaceDescriptor* descriptor) { 97 CodeStubInterfaceDescriptor* descriptor) {
97 static Register registers[] = { r3, r2, r1, r0 }; 98 static Register registers[] = { r3, r2, r1, r0 };
98 descriptor->register_param_count_ = 4; 99 descriptor->register_param_count_ = 4;
99 descriptor->register_params_ = registers; 100 descriptor->register_params_ = registers;
100 descriptor->deoptimization_handler_ = 101 descriptor->deoptimization_handler_ =
101 Runtime::FunctionForId(Runtime::kCreateObjectLiteral)->entry; 102 Runtime::FunctionForId(Runtime::kHiddenCreateObjectLiteral)->entry;
102 } 103 }
103 104
104 105
105 void CreateAllocationSiteStub::InitializeInterfaceDescriptor( 106 void CreateAllocationSiteStub::InitializeInterfaceDescriptor(
106 Isolate* isolate, 107 Isolate* isolate,
107 CodeStubInterfaceDescriptor* descriptor) { 108 CodeStubInterfaceDescriptor* descriptor) {
108 static Register registers[] = { r2, r3 }; 109 static Register registers[] = { r2, r3 };
109 descriptor->register_param_count_ = 2; 110 descriptor->register_param_count_ = 2;
110 descriptor->register_params_ = registers; 111 descriptor->register_params_ = registers;
111 descriptor->deoptimization_handler_ = NULL; 112 descriptor->deoptimization_handler_ = NULL;
(...skipping 127 matching lines...) Expand 10 before | Expand all | Expand 10 after
239 // stack param count needs (constructor pointer, and single argument) 240 // stack param count needs (constructor pointer, and single argument)
240 descriptor->handler_arguments_mode_ = PASS_ARGUMENTS; 241 descriptor->handler_arguments_mode_ = PASS_ARGUMENTS;
241 descriptor->stack_parameter_count_ = r0; 242 descriptor->stack_parameter_count_ = r0;
242 descriptor->register_param_count_ = 3; 243 descriptor->register_param_count_ = 3;
243 descriptor->register_params_ = registers_variable_args; 244 descriptor->register_params_ = registers_variable_args;
244 } 245 }
245 246
246 descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count; 247 descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count;
247 descriptor->function_mode_ = JS_FUNCTION_STUB_MODE; 248 descriptor->function_mode_ = JS_FUNCTION_STUB_MODE;
248 descriptor->deoptimization_handler_ = 249 descriptor->deoptimization_handler_ =
249 Runtime::FunctionForId(Runtime::kArrayConstructor)->entry; 250 Runtime::FunctionForId(Runtime::kHiddenArrayConstructor)->entry;
250 } 251 }
251 252
252 253
253 static void InitializeInternalArrayConstructorDescriptor( 254 static void InitializeInternalArrayConstructorDescriptor(
254 Isolate* isolate, 255 Isolate* isolate,
255 CodeStubInterfaceDescriptor* descriptor, 256 CodeStubInterfaceDescriptor* descriptor,
256 int constant_stack_parameter_count) { 257 int constant_stack_parameter_count) {
257 // register state 258 // register state
258 // r0 -- number of arguments 259 // r0 -- number of arguments
259 // r1 -- constructor function 260 // r1 -- constructor function
260 static Register registers_variable_args[] = { r1, r0 }; 261 static Register registers_variable_args[] = { r1, r0 };
261 static Register registers_no_args[] = { r1 }; 262 static Register registers_no_args[] = { r1 };
262 263
263 if (constant_stack_parameter_count == 0) { 264 if (constant_stack_parameter_count == 0) {
264 descriptor->register_param_count_ = 1; 265 descriptor->register_param_count_ = 1;
265 descriptor->register_params_ = registers_no_args; 266 descriptor->register_params_ = registers_no_args;
266 } else { 267 } else {
267 // stack param count needs (constructor pointer, and single argument) 268 // stack param count needs (constructor pointer, and single argument)
268 descriptor->handler_arguments_mode_ = PASS_ARGUMENTS; 269 descriptor->handler_arguments_mode_ = PASS_ARGUMENTS;
269 descriptor->stack_parameter_count_ = r0; 270 descriptor->stack_parameter_count_ = r0;
270 descriptor->register_param_count_ = 2; 271 descriptor->register_param_count_ = 2;
271 descriptor->register_params_ = registers_variable_args; 272 descriptor->register_params_ = registers_variable_args;
272 } 273 }
273 274
274 descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count; 275 descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count;
275 descriptor->function_mode_ = JS_FUNCTION_STUB_MODE; 276 descriptor->function_mode_ = JS_FUNCTION_STUB_MODE;
276 descriptor->deoptimization_handler_ = 277 descriptor->deoptimization_handler_ =
277 Runtime::FunctionForId(Runtime::kInternalArrayConstructor)->entry; 278 Runtime::FunctionForId(Runtime::kHiddenInternalArrayConstructor)->entry;
278 } 279 }
279 280
280 281
281 void ArrayNoArgumentConstructorStub::InitializeInterfaceDescriptor( 282 void ArrayNoArgumentConstructorStub::InitializeInterfaceDescriptor(
282 Isolate* isolate, 283 Isolate* isolate,
283 CodeStubInterfaceDescriptor* descriptor) { 284 CodeStubInterfaceDescriptor* descriptor) {
284 InitializeArrayConstructorDescriptor(isolate, descriptor, 0); 285 InitializeArrayConstructorDescriptor(isolate, descriptor, 0);
285 } 286 }
286 287
287 288
(...skipping 1853 matching lines...) Expand 10 before | Expand all | Expand 10 after
2141 __ b(ne, &runtime); 2142 __ b(ne, &runtime);
2142 2143
2143 // Patch the arguments.length and the parameters pointer in the current frame. 2144 // Patch the arguments.length and the parameters pointer in the current frame.
2144 __ ldr(r2, MemOperand(r3, ArgumentsAdaptorFrameConstants::kLengthOffset)); 2145 __ ldr(r2, MemOperand(r3, ArgumentsAdaptorFrameConstants::kLengthOffset));
2145 __ str(r2, MemOperand(sp, 0 * kPointerSize)); 2146 __ str(r2, MemOperand(sp, 0 * kPointerSize));
2146 __ add(r3, r3, Operand(r2, LSL, 1)); 2147 __ add(r3, r3, Operand(r2, LSL, 1));
2147 __ add(r3, r3, Operand(StandardFrameConstants::kCallerSPOffset)); 2148 __ add(r3, r3, Operand(StandardFrameConstants::kCallerSPOffset));
2148 __ str(r3, MemOperand(sp, 1 * kPointerSize)); 2149 __ str(r3, MemOperand(sp, 1 * kPointerSize));
2149 2150
2150 __ bind(&runtime); 2151 __ bind(&runtime);
2151 __ TailCallRuntime(Runtime::kNewArgumentsFast, 3, 1); 2152 __ TailCallRuntime(Runtime::kHiddenNewArgumentsFast, 3, 1);
2152 } 2153 }
2153 2154
2154 2155
2155 void ArgumentsAccessStub::GenerateNewSloppyFast(MacroAssembler* masm) { 2156 void ArgumentsAccessStub::GenerateNewSloppyFast(MacroAssembler* masm) {
2156 // Stack layout: 2157 // Stack layout:
2157 // sp[0] : number of parameters (tagged) 2158 // sp[0] : number of parameters (tagged)
2158 // sp[4] : address of receiver argument 2159 // sp[4] : address of receiver argument
2159 // sp[8] : function 2160 // sp[8] : function
2160 // Registers used over whole function: 2161 // Registers used over whole function:
2161 // r6 : allocated object (tagged) 2162 // r6 : allocated object (tagged)
(...skipping 183 matching lines...) Expand 10 before | Expand all | Expand 10 after
2345 2346
2346 // Return and remove the on-stack parameters. 2347 // Return and remove the on-stack parameters.
2347 __ add(sp, sp, Operand(3 * kPointerSize)); 2348 __ add(sp, sp, Operand(3 * kPointerSize));
2348 __ Ret(); 2349 __ Ret();
2349 2350
2350 // Do the runtime call to allocate the arguments object. 2351 // Do the runtime call to allocate the arguments object.
2351 // r0 = address of new object (tagged) 2352 // r0 = address of new object (tagged)
2352 // r2 = argument count (tagged) 2353 // r2 = argument count (tagged)
2353 __ bind(&runtime); 2354 __ bind(&runtime);
2354 __ str(r2, MemOperand(sp, 0 * kPointerSize)); // Patch argument count. 2355 __ str(r2, MemOperand(sp, 0 * kPointerSize)); // Patch argument count.
2355 __ TailCallRuntime(Runtime::kNewArgumentsFast, 3, 1); 2356 __ TailCallRuntime(Runtime::kHiddenNewArgumentsFast, 3, 1);
2356 } 2357 }
2357 2358
2358 2359
2359 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) { 2360 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) {
2360 // sp[0] : number of parameters 2361 // sp[0] : number of parameters
2361 // sp[4] : receiver displacement 2362 // sp[4] : receiver displacement
2362 // sp[8] : function 2363 // sp[8] : function
2363 // Check if the calling frame is an arguments adaptor frame. 2364 // Check if the calling frame is an arguments adaptor frame.
2364 Label adaptor_frame, try_allocate, runtime; 2365 Label adaptor_frame, try_allocate, runtime;
2365 __ ldr(r2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset)); 2366 __ ldr(r2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
(...skipping 73 matching lines...) Expand 10 before | Expand all | Expand 10 after
2439 __ cmp(r1, Operand::Zero()); 2440 __ cmp(r1, Operand::Zero());
2440 __ b(ne, &loop); 2441 __ b(ne, &loop);
2441 2442
2442 // Return and remove the on-stack parameters. 2443 // Return and remove the on-stack parameters.
2443 __ bind(&done); 2444 __ bind(&done);
2444 __ add(sp, sp, Operand(3 * kPointerSize)); 2445 __ add(sp, sp, Operand(3 * kPointerSize));
2445 __ Ret(); 2446 __ Ret();
2446 2447
2447 // Do the runtime call to allocate the arguments object. 2448 // Do the runtime call to allocate the arguments object.
2448 __ bind(&runtime); 2449 __ bind(&runtime);
2449 __ TailCallRuntime(Runtime::kNewStrictArgumentsFast, 3, 1); 2450 __ TailCallRuntime(Runtime::kHiddenNewStrictArgumentsFast, 3, 1);
2450 } 2451 }
2451 2452
2452 2453
2453 void RegExpExecStub::Generate(MacroAssembler* masm) { 2454 void RegExpExecStub::Generate(MacroAssembler* masm) {
2454 // Just jump directly to runtime if native RegExp is not selected at compile 2455 // Just jump directly to runtime if native RegExp is not selected at compile
2455 // time or if regexp entry in generated code is turned off runtime switch or 2456 // time or if regexp entry in generated code is turned off runtime switch or
2456 // at compilation. 2457 // at compilation.
2457 #ifdef V8_INTERPRETED_REGEXP 2458 #ifdef V8_INTERPRETED_REGEXP
2458 __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1); 2459 __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1);
2459 #else // V8_INTERPRETED_REGEXP 2460 #else // V8_INTERPRETED_REGEXP
(...skipping 736 matching lines...) Expand 10 before | Expand all | Expand 10 after
3196 index_not_number_, 3197 index_not_number_,
3197 DONT_DO_SMI_CHECK); 3198 DONT_DO_SMI_CHECK);
3198 call_helper.BeforeCall(masm); 3199 call_helper.BeforeCall(masm);
3199 __ push(object_); 3200 __ push(object_);
3200 __ push(index_); // Consumed by runtime conversion function. 3201 __ push(index_); // Consumed by runtime conversion function.
3201 if (index_flags_ == STRING_INDEX_IS_NUMBER) { 3202 if (index_flags_ == STRING_INDEX_IS_NUMBER) {
3202 __ CallRuntime(Runtime::kNumberToIntegerMapMinusZero, 1); 3203 __ CallRuntime(Runtime::kNumberToIntegerMapMinusZero, 1);
3203 } else { 3204 } else {
3204 ASSERT(index_flags_ == STRING_INDEX_IS_ARRAY_INDEX); 3205 ASSERT(index_flags_ == STRING_INDEX_IS_ARRAY_INDEX);
3205 // NumberToSmi discards numbers that are not exact integers. 3206 // NumberToSmi discards numbers that are not exact integers.
3206 __ CallRuntime(Runtime::kNumberToSmi, 1); 3207 __ CallRuntime(Runtime::kHiddenNumberToSmi, 1);
3207 } 3208 }
3208 // Save the conversion result before the pop instructions below 3209 // Save the conversion result before the pop instructions below
3209 // have a chance to overwrite it. 3210 // have a chance to overwrite it.
3210 __ Move(index_, r0); 3211 __ Move(index_, r0);
3211 __ pop(object_); 3212 __ pop(object_);
3212 // Reload the instance type. 3213 // Reload the instance type.
3213 __ ldr(result_, FieldMemOperand(object_, HeapObject::kMapOffset)); 3214 __ ldr(result_, FieldMemOperand(object_, HeapObject::kMapOffset));
3214 __ ldrb(result_, FieldMemOperand(result_, Map::kInstanceTypeOffset)); 3215 __ ldrb(result_, FieldMemOperand(result_, Map::kInstanceTypeOffset));
3215 call_helper.AfterCall(masm); 3216 call_helper.AfterCall(masm);
3216 // If index is still not a smi, it must be out of range. 3217 // If index is still not a smi, it must be out of range.
(...skipping 2235 matching lines...) Expand 10 before | Expand all | Expand 10 after
5452 MemOperand(fp, 6 * kPointerSize), 5453 MemOperand(fp, 6 * kPointerSize),
5453 NULL); 5454 NULL);
5454 } 5455 }
5455 5456
5456 5457
5457 #undef __ 5458 #undef __
5458 5459
5459 } } // namespace v8::internal 5460 } } // namespace v8::internal
5460 5461
5461 #endif // V8_TARGET_ARCH_ARM 5462 #endif // V8_TARGET_ARCH_ARM
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