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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_S390 | 5 #if V8_TARGET_ARCH_S390 |
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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1169 __ bind(&switch_to_different_code_kind); | 1169 __ bind(&switch_to_different_code_kind); |
1170 __ LeaveFrame(StackFrame::JAVA_SCRIPT); | 1170 __ LeaveFrame(StackFrame::JAVA_SCRIPT); |
1171 __ LoadP(r6, FieldMemOperand(r3, JSFunction::kSharedFunctionInfoOffset)); | 1171 __ LoadP(r6, FieldMemOperand(r3, JSFunction::kSharedFunctionInfoOffset)); |
1172 __ LoadP(r6, FieldMemOperand(r6, SharedFunctionInfo::kCodeOffset)); | 1172 __ LoadP(r6, FieldMemOperand(r6, SharedFunctionInfo::kCodeOffset)); |
1173 __ AddP(r6, r6, Operand(Code::kHeaderSize - kHeapObjectTag)); | 1173 __ AddP(r6, r6, Operand(Code::kHeaderSize - kHeapObjectTag)); |
1174 __ StoreP(r6, FieldMemOperand(r3, JSFunction::kCodeEntryOffset), r0); | 1174 __ StoreP(r6, FieldMemOperand(r3, JSFunction::kCodeEntryOffset), r0); |
1175 __ RecordWriteCodeEntryField(r3, r6, r7); | 1175 __ RecordWriteCodeEntryField(r3, r6, r7); |
1176 __ JumpToJSEntry(r6); | 1176 __ JumpToJSEntry(r6); |
1177 } | 1177 } |
1178 | 1178 |
1179 void Builtins::Generate_InterpreterMarkBaselineOnReturn(MacroAssembler* masm) { | |
1180 // Save the function and context for call to CompileBaseline. | |
1181 __ LoadP(r3, MemOperand(fp, StandardFrameConstants::kFunctionOffset)); | |
1182 __ LoadP(kContextRegister, | |
1183 MemOperand(fp, StandardFrameConstants::kContextOffset)); | |
1184 | |
1185 // Leave the frame before recompiling for baseline so that we don't count as | |
1186 // an activation on the stack. | |
1187 LeaveInterpreterFrame(masm, r4); | |
1188 | |
1189 { | |
1190 FrameScope frame_scope(masm, StackFrame::INTERNAL); | |
1191 // Push return value. | |
1192 __ push(r2); | |
1193 | |
1194 // Push function as argument and compile for baseline. | |
1195 __ push(r3); | |
1196 __ CallRuntime(Runtime::kCompileBaseline); | |
1197 | |
1198 // Restore return value. | |
1199 __ pop(r2); | |
1200 } | |
1201 __ Ret(); | |
1202 } | |
1203 | |
1204 static void Generate_StackOverflowCheck(MacroAssembler* masm, Register num_args, | 1179 static void Generate_StackOverflowCheck(MacroAssembler* masm, Register num_args, |
1205 Register scratch, | 1180 Register scratch, |
1206 Label* stack_overflow) { | 1181 Label* stack_overflow) { |
1207 // Check the stack for overflow. We are not trying to catch | 1182 // Check the stack for overflow. We are not trying to catch |
1208 // interruptions (e.g. debug break and preemption) here, so the "real stack | 1183 // interruptions (e.g. debug break and preemption) here, so the "real stack |
1209 // limit" is checked. | 1184 // limit" is checked. |
1210 __ LoadRoot(scratch, Heap::kRealStackLimitRootIndex); | 1185 __ LoadRoot(scratch, Heap::kRealStackLimitRootIndex); |
1211 // Make scratch the space we have left. The stack might already be overflowed | 1186 // Make scratch the space we have left. The stack might already be overflowed |
1212 // here which will cause scratch to become negative. | 1187 // here which will cause scratch to become negative. |
1213 __ SubP(scratch, sp, scratch); | 1188 __ SubP(scratch, sp, scratch); |
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3012 __ bkpt(0); | 2987 __ bkpt(0); |
3013 } | 2988 } |
3014 } | 2989 } |
3015 | 2990 |
3016 #undef __ | 2991 #undef __ |
3017 | 2992 |
3018 } // namespace internal | 2993 } // namespace internal |
3019 } // namespace v8 | 2994 } // namespace v8 |
3020 | 2995 |
3021 #endif // V8_TARGET_ARCH_S390 | 2996 #endif // V8_TARGET_ARCH_S390 |
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