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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM. |
6 #if defined(TARGET_ARCH_ARM) | 6 #if defined(TARGET_ARCH_ARM) |
7 | 7 |
8 #include "vm/intrinsifier.h" | 8 #include "vm/intrinsifier.h" |
9 | 9 |
10 #include "vm/assembler.h" | 10 #include "vm/assembler.h" |
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2015 // string CIDs as well as stored function pointers are in sequence. | 2015 // string CIDs as well as stored function pointers are in sequence. |
2016 __ ldr(R2, Address(SP, kRegExpParamOffset)); | 2016 __ ldr(R2, Address(SP, kRegExpParamOffset)); |
2017 __ ldr(R1, Address(SP, kStringParamOffset)); | 2017 __ ldr(R1, Address(SP, kStringParamOffset)); |
2018 __ LoadClassId(R1, R1); | 2018 __ LoadClassId(R1, R1); |
2019 __ AddImmediate(R1, R1, -kOneByteStringCid); | 2019 __ AddImmediate(R1, R1, -kOneByteStringCid); |
2020 __ add(R1, R2, Operand(R1, LSL, kWordSizeLog2)); | 2020 __ add(R1, R2, Operand(R1, LSL, kWordSizeLog2)); |
2021 __ ldr(R0, FieldAddress(R1, JSRegExp::function_offset(kOneByteStringCid))); | 2021 __ ldr(R0, FieldAddress(R1, JSRegExp::function_offset(kOneByteStringCid))); |
2022 | 2022 |
2023 // Registers are now set up for the lazy compile stub. It expects the function | 2023 // Registers are now set up for the lazy compile stub. It expects the function |
2024 // in R0, the argument descriptor in R4, and IC-Data in R5. | 2024 // in R0, the argument descriptor in R4, and IC-Data in R5. |
2025 static const intptr_t arg_count = RegExpMacroAssembler::kParamCount; | |
2026 __ LoadObject(R4, Array::Handle(ArgumentsDescriptor::New(arg_count))); | |
2027 __ eor(R5, R5, Operand(R5)); | 2025 __ eor(R5, R5, Operand(R5)); |
2028 | 2026 |
2029 // Tail-call the function. | 2027 // Tail-call the function. |
2030 __ ldr(R1, FieldAddress(R0, Function::entry_point_offset())); | 2028 __ ldr(R1, FieldAddress(R0, Function::entry_point_offset())); |
2031 __ bx(R1); | 2029 __ bx(R1); |
2032 } | 2030 } |
2033 | 2031 |
2034 | 2032 |
2035 // On stack: user tag (+0). | 2033 // On stack: user tag (+0). |
2036 void Intrinsifier::UserTag_makeCurrent(Assembler* assembler) { | 2034 void Intrinsifier::UserTag_makeCurrent(Assembler* assembler) { |
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2059 | 2057 |
2060 void Intrinsifier::Profiler_getCurrentTag(Assembler* assembler) { | 2058 void Intrinsifier::Profiler_getCurrentTag(Assembler* assembler) { |
2061 __ LoadIsolate(R0); | 2059 __ LoadIsolate(R0); |
2062 __ ldr(R0, Address(R0, Isolate::current_tag_offset())); | 2060 __ ldr(R0, Address(R0, Isolate::current_tag_offset())); |
2063 __ Ret(); | 2061 __ Ret(); |
2064 } | 2062 } |
2065 | 2063 |
2066 } // namespace dart | 2064 } // namespace dart |
2067 | 2065 |
2068 #endif // defined TARGET_ARCH_ARM | 2066 #endif // defined TARGET_ARCH_ARM |
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