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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 // 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 #if V8_TARGET_ARCH_MIPS | 5 #if V8_TARGET_ARCH_MIPS |
6 | 6 |
7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
8 #include "src/debug/debug.h" | 8 #include "src/debug/debug.h" |
9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
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1138 __ bind(&switch_to_different_code_kind); | 1138 __ bind(&switch_to_different_code_kind); |
1139 __ LeaveFrame(StackFrame::JAVA_SCRIPT); | 1139 __ LeaveFrame(StackFrame::JAVA_SCRIPT); |
1140 __ lw(t0, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset)); | 1140 __ lw(t0, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset)); |
1141 __ lw(t0, FieldMemOperand(t0, SharedFunctionInfo::kCodeOffset)); | 1141 __ lw(t0, FieldMemOperand(t0, SharedFunctionInfo::kCodeOffset)); |
1142 __ Addu(t0, t0, Operand(Code::kHeaderSize - kHeapObjectTag)); | 1142 __ Addu(t0, t0, Operand(Code::kHeaderSize - kHeapObjectTag)); |
1143 __ sw(t0, FieldMemOperand(a1, JSFunction::kCodeEntryOffset)); | 1143 __ sw(t0, FieldMemOperand(a1, JSFunction::kCodeEntryOffset)); |
1144 __ RecordWriteCodeEntryField(a1, t0, t1); | 1144 __ RecordWriteCodeEntryField(a1, t0, t1); |
1145 __ Jump(t0); | 1145 __ Jump(t0); |
1146 } | 1146 } |
1147 | 1147 |
1148 void Builtins::Generate_InterpreterMarkBaselineOnReturn(MacroAssembler* masm) { | |
1149 // Save the function and context for call to CompileBaseline. | |
1150 __ lw(a1, MemOperand(fp, StandardFrameConstants::kFunctionOffset)); | |
1151 __ lw(kContextRegister, | |
1152 MemOperand(fp, StandardFrameConstants::kContextOffset)); | |
1153 | |
1154 // Leave the frame before recompiling for baseline so that we don't count as | |
1155 // an activation on the stack. | |
1156 LeaveInterpreterFrame(masm, t0); | |
1157 | |
1158 { | |
1159 FrameScope frame_scope(masm, StackFrame::INTERNAL); | |
1160 // Push return value. | |
1161 __ push(v0); | |
1162 | |
1163 // Push function as argument and compile for baseline. | |
1164 __ push(a1); | |
1165 __ CallRuntime(Runtime::kCompileBaseline); | |
1166 | |
1167 // Restore return value. | |
1168 __ pop(v0); | |
1169 } | |
1170 __ Jump(ra); | |
1171 } | |
1172 | |
1173 static void Generate_StackOverflowCheck(MacroAssembler* masm, Register num_args, | 1148 static void Generate_StackOverflowCheck(MacroAssembler* masm, Register num_args, |
1174 Register scratch1, Register scratch2, | 1149 Register scratch1, Register scratch2, |
1175 Label* stack_overflow) { | 1150 Label* stack_overflow) { |
1176 // Check the stack for overflow. We are not trying to catch | 1151 // Check the stack for overflow. We are not trying to catch |
1177 // interruptions (e.g. debug break and preemption) here, so the "real stack | 1152 // interruptions (e.g. debug break and preemption) here, so the "real stack |
1178 // limit" is checked. | 1153 // limit" is checked. |
1179 __ LoadRoot(scratch1, Heap::kRealStackLimitRootIndex); | 1154 __ LoadRoot(scratch1, Heap::kRealStackLimitRootIndex); |
1180 // Make scratch1 the space we have left. The stack might already be overflowed | 1155 // Make scratch1 the space we have left. The stack might already be overflowed |
1181 // here which will cause scratch1 to become negative. | 1156 // here which will cause scratch1 to become negative. |
1182 __ subu(scratch1, sp, scratch1); | 1157 __ subu(scratch1, sp, scratch1); |
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2988 __ break_(0xCC); | 2963 __ break_(0xCC); |
2989 } | 2964 } |
2990 } | 2965 } |
2991 | 2966 |
2992 #undef __ | 2967 #undef __ |
2993 | 2968 |
2994 } // namespace internal | 2969 } // namespace internal |
2995 } // namespace v8 | 2970 } // namespace v8 |
2996 | 2971 |
2997 #endif // V8_TARGET_ARCH_MIPS | 2972 #endif // V8_TARGET_ARCH_MIPS |
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