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Issue 12541003: - Add a skeleton MIPS assembler, disassembler and simulator. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 9 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/disassembler.h" 5 #include "vm/disassembler.h"
6 6
7 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM. 7 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM.
8 #if defined(TARGET_ARCH_ARM) 8 #if defined(TARGET_ARCH_ARM)
9 #include "platform/assert.h" 9 #include "platform/assert.h"
10 10
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59 59
60 // Convenience functions. 60 // Convenience functions.
61 char* get_buffer() const { return buffer_; } 61 char* get_buffer() const { return buffer_; }
62 char* current_position_in_buffer() { return buffer_ + buffer_pos_; } 62 char* current_position_in_buffer() { return buffer_ + buffer_pos_; }
63 size_t remaining_size_in_buffer() { return buffer_size_ - buffer_pos_; } 63 size_t remaining_size_in_buffer() { return buffer_size_ - buffer_pos_; }
64 64
65 char* buffer_; // Decode instructions into this buffer. 65 char* buffer_; // Decode instructions into this buffer.
66 size_t buffer_size_; // The size of the character buffer. 66 size_t buffer_size_; // The size of the character buffer.
67 size_t buffer_pos_; // Current character position in buffer. 67 size_t buffer_pos_; // Current character position in buffer.
68 68
69 DISALLOW_ALLOCATION();
69 DISALLOW_COPY_AND_ASSIGN(ARMDecoder); 70 DISALLOW_COPY_AND_ASSIGN(ARMDecoder);
70 }; 71 };
71 72
72 73
73 // Support for assertions in the ARMDecoder formatting functions. 74 // Support for assertions in the ARMDecoder formatting functions.
74 #define STRING_STARTS_WITH(string, compare_string) \ 75 #define STRING_STARTS_WITH(string, compare_string) \
75 (strncmp(string, compare_string, strlen(compare_string)) == 0) 76 (strncmp(string, compare_string, strlen(compare_string)) == 0)
76 77
77 78
78 // Append the str to the output buffer. 79 // Append the str to the output buffer.
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1296 human_buffer, 1297 human_buffer,
1297 sizeof(human_buffer), 1298 sizeof(human_buffer),
1298 pc); 1299 pc);
1299 pc += instruction_length; 1300 pc += instruction_length;
1300 } 1301 }
1301 } 1302 }
1302 1303
1303 } // namespace dart 1304 } // namespace dart
1304 1305
1305 #endif // defined TARGET_ARCH_ARM 1306 #endif // defined TARGET_ARCH_ARM
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