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Issue 1288953003: Port "Add mapping from address to id for runtime functions." (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 5 years, 4 months ago
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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" 5 #include "vm/globals.h"
6 #if defined(TARGET_ARCH_MIPS) 6 #if defined(TARGET_ARCH_MIPS)
7 7
8 #include "vm/assembler.h" 8 #include "vm/assembler.h"
9 #include "vm/code_generator.h" 9 #include "vm/code_generator.h"
10 #include "vm/compiler.h" 10 #include "vm/compiler.h"
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414 __ lw(T3, Address(T1)); 414 __ lw(T3, Address(T1));
415 __ addiu(A1, A1, Immediate(-Smi::RawValue(1))); 415 __ addiu(A1, A1, Immediate(-Smi::RawValue(1)));
416 __ addiu(T1, T1, Immediate(-kWordSize)); 416 __ addiu(T1, T1, Immediate(-kWordSize));
417 __ addiu(T2, T2, Immediate(kWordSize)); 417 __ addiu(T2, T2, Immediate(kWordSize));
418 __ bgez(A1, &loop); 418 __ bgez(A1, &loop);
419 __ delay_slot()->sw(T3, Address(T2, -kWordSize)); 419 __ delay_slot()->sw(T3, Address(T2, -kWordSize));
420 __ Bind(&loop_exit); 420 __ Bind(&loop_exit);
421 } 421 }
422 422
423 423
424 DECLARE_LEAF_RUNTIME_ENTRY(intptr_t, DeoptimizeCopyFrame,
425 intptr_t deopt_reason,
426 uword saved_registers_address);
427
428 DECLARE_LEAF_RUNTIME_ENTRY(void, DeoptimizeFillFrame, uword last_fp);
429
430
431 // Used by eager and lazy deoptimization. Preserve result in V0 if necessary. 424 // Used by eager and lazy deoptimization. Preserve result in V0 if necessary.
432 // This stub translates optimized frame into unoptimized frame. The optimized 425 // This stub translates optimized frame into unoptimized frame. The optimized
433 // frame can contain values in registers and on stack, the unoptimized 426 // frame can contain values in registers and on stack, the unoptimized
434 // frame contains all values on stack. 427 // frame contains all values on stack.
435 // Deoptimization occurs in following steps: 428 // Deoptimization occurs in following steps:
436 // - Push all registers that can contain values. 429 // - Push all registers that can contain values.
437 // - Call C routine to copy the stack and saved registers into temporary buffer. 430 // - Call C routine to copy the stack and saved registers into temporary buffer.
438 // - Adjust caller's frame to correct unoptimized frame size. 431 // - Adjust caller's frame to correct unoptimized frame size.
439 // - Fill the unoptimized frame. 432 // - Fill the unoptimized frame.
440 // - Materialize objects that require allocation (e.g. Double instances). 433 // - Materialize objects that require allocation (e.g. Double instances).
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1050 __ CallRuntime(kAllocateContextRuntimeEntry, 1); // Allocate context. 1043 __ CallRuntime(kAllocateContextRuntimeEntry, 1); // Allocate context.
1051 __ lw(V0, Address(SP, 1 * kWordSize)); // Get the new context. 1044 __ lw(V0, Address(SP, 1 * kWordSize)); // Get the new context.
1052 __ addiu(SP, SP, Immediate(2 * kWordSize)); // Pop argument and return. 1045 __ addiu(SP, SP, Immediate(2 * kWordSize)); // Pop argument and return.
1053 1046
1054 // V0: new object 1047 // V0: new object
1055 // Restore the frame pointer. 1048 // Restore the frame pointer.
1056 __ LeaveStubFrameAndReturn(); 1049 __ LeaveStubFrameAndReturn();
1057 } 1050 }
1058 1051
1059 1052
1060 DECLARE_LEAF_RUNTIME_ENTRY(void, StoreBufferBlockProcess, Isolate* isolate);
1061
1062
1063 // Helper stub to implement Assembler::StoreIntoObject. 1053 // Helper stub to implement Assembler::StoreIntoObject.
1064 // Input parameters: 1054 // Input parameters:
1065 // T0: Address (i.e. object) being stored into. 1055 // T0: Address (i.e. object) being stored into.
1066 void StubCode::GenerateUpdateStoreBufferStub(Assembler* assembler) { 1056 void StubCode::GenerateUpdateStoreBufferStub(Assembler* assembler) {
1067 // Save values being destroyed. 1057 // Save values being destroyed.
1068 __ Comment("UpdateStoreBufferStub"); 1058 __ Comment("UpdateStoreBufferStub");
1069 __ addiu(SP, SP, Immediate(-3 * kWordSize)); 1059 __ addiu(SP, SP, Immediate(-3 * kWordSize));
1070 __ sw(T3, Address(SP, 2 * kWordSize)); 1060 __ sw(T3, Address(SP, 2 * kWordSize));
1071 __ sw(T2, Address(SP, 1 * kWordSize)); 1061 __ sw(T2, Address(SP, 1 * kWordSize));
1072 __ sw(T1, Address(SP, 0 * kWordSize)); 1062 __ sw(T1, Address(SP, 0 * kWordSize));
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2083 __ lw(S4, Address(SP, 2 * kWordSize)); // Restore argument descriptor. 2073 __ lw(S4, Address(SP, 2 * kWordSize)); // Restore argument descriptor.
2084 __ addiu(SP, SP, Immediate(3 * kWordSize)); // Discard argument. 2074 __ addiu(SP, SP, Immediate(3 * kWordSize)); // Discard argument.
2085 2075
2086 __ lw(T0, FieldAddress(T0, Code::instructions_offset())); 2076 __ lw(T0, FieldAddress(T0, Code::instructions_offset()));
2087 __ AddImmediate(T0, Instructions::HeaderSize() - kHeapObjectTag); 2077 __ AddImmediate(T0, Instructions::HeaderSize() - kHeapObjectTag);
2088 __ LeaveStubFrameAndReturn(T0); 2078 __ LeaveStubFrameAndReturn(T0);
2089 __ break_(0); 2079 __ break_(0);
2090 } 2080 }
2091 2081
2092 2082
2093 DECLARE_LEAF_RUNTIME_ENTRY(intptr_t,
2094 BigintCompare,
2095 RawBigint* left,
2096 RawBigint* right);
2097
2098
2099 // Does identical check (object references are equal or not equal) with special 2083 // Does identical check (object references are equal or not equal) with special
2100 // checks for boxed numbers. 2084 // checks for boxed numbers.
2101 // Returns: CMPRES1 is zero if equal, non-zero otherwise. 2085 // Returns: CMPRES1 is zero if equal, non-zero otherwise.
2102 // Note: A Mint cannot contain a value that would fit in Smi, a Bigint 2086 // Note: A Mint cannot contain a value that would fit in Smi, a Bigint
2103 // cannot contain a value that fits in Mint or Smi. 2087 // cannot contain a value that fits in Mint or Smi.
2104 static void GenerateIdenticalWithNumberCheckStub(Assembler* assembler, 2088 static void GenerateIdenticalWithNumberCheckStub(Assembler* assembler,
2105 const Register left, 2089 const Register left,
2106 const Register right, 2090 const Register right,
2107 const Register temp1, 2091 const Register temp1,
2108 const Register temp2) { 2092 const Register temp2) {
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2284 // Result: 2268 // Result:
2285 // T1: entry point. 2269 // T1: entry point.
2286 void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) { 2270 void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) {
2287 EmitMegamorphicLookup(assembler, T0, T1, T1); 2271 EmitMegamorphicLookup(assembler, T0, T1, T1);
2288 __ Ret(); 2272 __ Ret();
2289 } 2273 }
2290 2274
2291 } // namespace dart 2275 } // namespace dart
2292 2276
2293 #endif // defined TARGET_ARCH_MIPS 2277 #endif // defined TARGET_ARCH_MIPS
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