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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/v8.h" | 5 #include "src/v8.h" |
| 6 | 6 |
| 7 #if V8_TARGET_ARCH_X64 | 7 #if V8_TARGET_ARCH_X64 |
| 8 | 8 |
| 9 #include "src/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
| 10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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| 1166 __ j(less, &arguments_loop, Label::kNear); | 1166 __ j(less, &arguments_loop, Label::kNear); |
| 1167 | 1167 |
| 1168 // Return and remove the on-stack parameters. | 1168 // Return and remove the on-stack parameters. |
| 1169 __ ret(3 * kPointerSize); | 1169 __ ret(3 * kPointerSize); |
| 1170 | 1170 |
| 1171 // Do the runtime call to allocate the arguments object. | 1171 // Do the runtime call to allocate the arguments object. |
| 1172 // rcx = argument count (untagged) | 1172 // rcx = argument count (untagged) |
| 1173 __ bind(&runtime); | 1173 __ bind(&runtime); |
| 1174 __ Integer32ToSmi(rcx, rcx); | 1174 __ Integer32ToSmi(rcx, rcx); |
| 1175 __ movp(args.GetArgumentOperand(2), rcx); // Patch argument count. | 1175 __ movp(args.GetArgumentOperand(2), rcx); // Patch argument count. |
| 1176 __ TailCallRuntime(Runtime::kHiddenNewArgumentsFast, 3, 1); | 1176 __ TailCallRuntime(Runtime::kHiddenNewSloppyArguments, 3, 1); |
| 1177 } | 1177 } |
| 1178 | 1178 |
| 1179 | 1179 |
| 1180 void ArgumentsAccessStub::GenerateNewSloppySlow(MacroAssembler* masm) { | 1180 void ArgumentsAccessStub::GenerateNewSloppySlow(MacroAssembler* masm) { |
| 1181 // rsp[0] : return address | 1181 // rsp[0] : return address |
| 1182 // rsp[8] : number of parameters | 1182 // rsp[8] : number of parameters |
| 1183 // rsp[16] : receiver displacement | 1183 // rsp[16] : receiver displacement |
| 1184 // rsp[24] : function | 1184 // rsp[24] : function |
| 1185 | 1185 |
| 1186 // Check if the calling frame is an arguments adaptor frame. | 1186 // Check if the calling frame is an arguments adaptor frame. |
| 1187 Label runtime; | 1187 Label runtime; |
| 1188 __ movp(rdx, Operand(rbp, StandardFrameConstants::kCallerFPOffset)); | 1188 __ movp(rdx, Operand(rbp, StandardFrameConstants::kCallerFPOffset)); |
| 1189 __ movp(rcx, Operand(rdx, StandardFrameConstants::kContextOffset)); | 1189 __ movp(rcx, Operand(rdx, StandardFrameConstants::kContextOffset)); |
| 1190 __ Cmp(rcx, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)); | 1190 __ Cmp(rcx, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)); |
| 1191 __ j(not_equal, &runtime); | 1191 __ j(not_equal, &runtime); |
| 1192 | 1192 |
| 1193 // Patch the arguments.length and the parameters pointer. | 1193 // Patch the arguments.length and the parameters pointer. |
| 1194 StackArgumentsAccessor args(rsp, 3, ARGUMENTS_DONT_CONTAIN_RECEIVER); | 1194 StackArgumentsAccessor args(rsp, 3, ARGUMENTS_DONT_CONTAIN_RECEIVER); |
| 1195 __ movp(rcx, Operand(rdx, ArgumentsAdaptorFrameConstants::kLengthOffset)); | 1195 __ movp(rcx, Operand(rdx, ArgumentsAdaptorFrameConstants::kLengthOffset)); |
| 1196 __ movp(args.GetArgumentOperand(2), rcx); | 1196 __ movp(args.GetArgumentOperand(2), rcx); |
| 1197 __ SmiToInteger64(rcx, rcx); | 1197 __ SmiToInteger64(rcx, rcx); |
| 1198 __ leap(rdx, Operand(rdx, rcx, times_pointer_size, | 1198 __ leap(rdx, Operand(rdx, rcx, times_pointer_size, |
| 1199 StandardFrameConstants::kCallerSPOffset)); | 1199 StandardFrameConstants::kCallerSPOffset)); |
| 1200 __ movp(args.GetArgumentOperand(1), rdx); | 1200 __ movp(args.GetArgumentOperand(1), rdx); |
| 1201 | 1201 |
| 1202 __ bind(&runtime); | 1202 __ bind(&runtime); |
| 1203 __ TailCallRuntime(Runtime::kHiddenNewArgumentsFast, 3, 1); | 1203 __ TailCallRuntime(Runtime::kHiddenNewSloppyArguments, 3, 1); |
| 1204 } | 1204 } |
| 1205 | 1205 |
| 1206 | 1206 |
| 1207 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) { | 1207 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) { |
| 1208 // rsp[0] : return address | 1208 // rsp[0] : return address |
| 1209 // rsp[8] : number of parameters | 1209 // rsp[8] : number of parameters |
| 1210 // rsp[16] : receiver displacement | 1210 // rsp[16] : receiver displacement |
| 1211 // rsp[24] : function | 1211 // rsp[24] : function |
| 1212 | 1212 |
| 1213 // Check if the calling frame is an arguments adaptor frame. | 1213 // Check if the calling frame is an arguments adaptor frame. |
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| 1294 __ subp(rdx, Immediate(kPointerSize)); | 1294 __ subp(rdx, Immediate(kPointerSize)); |
| 1295 __ decp(rcx); | 1295 __ decp(rcx); |
| 1296 __ j(not_zero, &loop); | 1296 __ j(not_zero, &loop); |
| 1297 | 1297 |
| 1298 // Return and remove the on-stack parameters. | 1298 // Return and remove the on-stack parameters. |
| 1299 __ bind(&done); | 1299 __ bind(&done); |
| 1300 __ ret(3 * kPointerSize); | 1300 __ ret(3 * kPointerSize); |
| 1301 | 1301 |
| 1302 // Do the runtime call to allocate the arguments object. | 1302 // Do the runtime call to allocate the arguments object. |
| 1303 __ bind(&runtime); | 1303 __ bind(&runtime); |
| 1304 __ TailCallRuntime(Runtime::kHiddenNewStrictArgumentsFast, 3, 1); | 1304 __ TailCallRuntime(Runtime::kHiddenNewStrictArguments, 3, 1); |
| 1305 } | 1305 } |
| 1306 | 1306 |
| 1307 | 1307 |
| 1308 void RegExpExecStub::Generate(MacroAssembler* masm) { | 1308 void RegExpExecStub::Generate(MacroAssembler* masm) { |
| 1309 // Just jump directly to runtime if native RegExp is not selected at compile | 1309 // Just jump directly to runtime if native RegExp is not selected at compile |
| 1310 // time or if regexp entry in generated code is turned off runtime switch or | 1310 // time or if regexp entry in generated code is turned off runtime switch or |
| 1311 // at compilation. | 1311 // at compilation. |
| 1312 #ifdef V8_INTERPRETED_REGEXP | 1312 #ifdef V8_INTERPRETED_REGEXP |
| 1313 __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1); | 1313 __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1); |
| 1314 #else // V8_INTERPRETED_REGEXP | 1314 #else // V8_INTERPRETED_REGEXP |
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| 5046 return_value_operand, | 5046 return_value_operand, |
| 5047 NULL); | 5047 NULL); |
| 5048 } | 5048 } |
| 5049 | 5049 |
| 5050 | 5050 |
| 5051 #undef __ | 5051 #undef __ |
| 5052 | 5052 |
| 5053 } } // namespace v8::internal | 5053 } } // namespace v8::internal |
| 5054 | 5054 |
| 5055 #endif // V8_TARGET_ARCH_X64 | 5055 #endif // V8_TARGET_ARCH_X64 |
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