OLD | NEW |
---|---|
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" |
(...skipping 1874 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
1885 } | 1885 } |
1886 | 1886 |
1887 | 1887 |
1888 // Jump to the exception or error handler. | 1888 // Jump to the exception or error handler. |
1889 // RA: return address. | 1889 // RA: return address. |
1890 // A0: program_counter. | 1890 // A0: program_counter. |
1891 // A1: stack_pointer. | 1891 // A1: stack_pointer. |
1892 // A2: frame_pointer. | 1892 // A2: frame_pointer. |
1893 // A3: error object. | 1893 // A3: error object. |
1894 // SP + 4*kWordSize: address of stacktrace object. | 1894 // SP + 4*kWordSize: address of stacktrace object. |
1895 // SP + 5*kWordSize: address of isolate. | |
1895 // Does not return. | 1896 // Does not return. |
1896 void StubCode::GenerateJumpToExceptionHandlerStub(Assembler* assembler) { | 1897 void StubCode::GenerateJumpToExceptionHandlerStub(Assembler* assembler) { |
1897 ASSERT(kExceptionObjectReg == V0); | 1898 ASSERT(kExceptionObjectReg == V0); |
1898 ASSERT(kStackTraceObjectReg == V1); | 1899 ASSERT(kStackTraceObjectReg == V1); |
1899 __ mov(V0, A3); // Exception object. | 1900 __ mov(V0, A3); // Exception object. |
1900 // MIPS ABI reserves stack space for all arguments. The StackTrace object is | 1901 // MIPS ABI reserves stack space for all arguments. The StackTrace object is |
1901 // the last of five arguments, so it is first pushed on the stack. | 1902 // the last of five arguments, so it is first pushed on the stack. |
1902 __ lw(V1, Address(SP, 4 * kWordSize)); // StackTrace object. | 1903 __ lw(V1, Address(SP, 4 * kWordSize)); // StackTrace object. |
1903 __ mov(FP, A2); // Frame_pointer. | 1904 __ mov(FP, A2); // Frame_pointer. |
1905 __ lw(CTX, Address(SP, 5 * kWordSize)); // Isolate. | |
regis
2014/07/14 20:00:34
A3?
Cutch
2014/07/14 21:32:07
Done.
| |
1906 // Set tag. | |
1907 __ LoadImmediate(A2, VMTag::kScriptTagId); | |
1908 __ sw(A2, Address(CTX, Isolate::vm_tag_offset())); | |
1909 // Clear top exit frame. | |
1910 __ sw(ZR, Address(CTX, Isolate::top_exit_frame_info_offset())); | |
1911 | |
1904 __ jr(A0); // Jump to the exception handler code. | 1912 __ jr(A0); // Jump to the exception handler code. |
1905 __ delay_slot()->mov(SP, A1); // Stack pointer. | 1913 __ delay_slot()->mov(SP, A1); // Stack pointer. |
1906 } | 1914 } |
1907 | 1915 |
1908 | 1916 |
1909 // Calls to the runtime to optimize the given function. | 1917 // Calls to the runtime to optimize the given function. |
1910 // T0: function to be reoptimized. | 1918 // T0: function to be reoptimized. |
1911 // S4: argument descriptor (preserved). | 1919 // S4: argument descriptor (preserved). |
1912 void StubCode::GenerateOptimizeFunctionStub(Assembler* assembler) { | 1920 void StubCode::GenerateOptimizeFunctionStub(Assembler* assembler) { |
1913 __ TraceSimMsg("OptimizeFunctionStub"); | 1921 __ TraceSimMsg("OptimizeFunctionStub"); |
(...skipping 153 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
2067 const Register right = T0; | 2075 const Register right = T0; |
2068 __ lw(left, Address(SP, 1 * kWordSize)); | 2076 __ lw(left, Address(SP, 1 * kWordSize)); |
2069 __ lw(right, Address(SP, 0 * kWordSize)); | 2077 __ lw(right, Address(SP, 0 * kWordSize)); |
2070 GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp1, temp2); | 2078 GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp1, temp2); |
2071 __ Ret(); | 2079 __ Ret(); |
2072 } | 2080 } |
2073 | 2081 |
2074 } // namespace dart | 2082 } // namespace dart |
2075 | 2083 |
2076 #endif // defined TARGET_ARCH_MIPS | 2084 #endif // defined TARGET_ARCH_MIPS |
OLD | NEW |