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Side by Side Diff: runtime/vm/debuginfo.h

Issue 9139080: Rename the VM internal class ByteArray to ByteVector. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 11 months ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2011, 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 #ifndef VM_DEBUGINFO_H_ 5 #ifndef VM_DEBUGINFO_H_
6 #define VM_DEBUGINFO_H_ 6 #define VM_DEBUGINFO_H_
7 7
8 #include "vm/assert.h" 8 #include "vm/assert.h"
9 #include "vm/globals.h" 9 #include "vm/globals.h"
10 #include "vm/utils.h" 10 #include "vm/utils.h"
11 11
12 namespace dart { 12 namespace dart {
13 13
14 // A basic ByteArray which is growable and uses malloc/free. 14 // A basic ByteVector which is growable and uses malloc/free.
15 class ByteArray { 15 class ByteVector {
Ivan Posva 2012/01/13 00:32:44 DebugInfo::ByteBuffer => no more conflicts...
16 public: 16 public:
17 ByteArray() : size_(0), capacity_(0), data_(NULL) { } 17 ByteVector() : size_(0), capacity_(0), data_(NULL) { }
18 ~ByteArray() { 18 ~ByteVector() {
19 free(data_); 19 free(data_);
20 size_ = 0; 20 size_ = 0;
21 capacity_ = 0; 21 capacity_ = 0;
22 data_ = NULL; 22 data_ = NULL;
23 } 23 }
24 24
25 uint8_t at(int index) const { 25 uint8_t at(int index) const {
26 ASSERT(0 <= index); 26 ASSERT(0 <= index);
27 ASSERT(index < size_); 27 ASSERT(index < size_);
28 ASSERT(size_ <= capacity_); 28 ASSERT(size_ <= capacity_);
(...skipping 21 matching lines...) Expand all
50 capacity_ = new_capacity; 50 capacity_ = new_capacity;
51 } 51 }
52 size_ = new_size; 52 size_ = new_size;
53 } 53 }
54 54
55 int size_; 55 int size_;
56 int capacity_; 56 int capacity_;
57 uint8_t* data_; 57 uint8_t* data_;
58 58
59 // Disallow assignment 59 // Disallow assignment
60 DISALLOW_COPY_AND_ASSIGN(ByteArray); 60 DISALLOW_COPY_AND_ASSIGN(ByteVector);
61 }; 61 };
62 62
63 63
64 // DebugInfo is used to generate minimal debug information containing code, 64 // DebugInfo is used to generate minimal debug information containing code,
65 // symbols, and line numbers for generated code in the dart VM. This information 65 // symbols, and line numbers for generated code in the dart VM. This information
66 // can be used in two ways: 66 // can be used in two ways:
67 // - for debugging using a debugger 67 // - for debugging using a debugger
68 // - for generating information to be read by pprof to analyze Dart programs. 68 // - for generating information to be read by pprof to analyze Dart programs.
69 class DebugInfo { 69 class DebugInfo {
70 public: 70 public:
71 ~DebugInfo(); 71 ~DebugInfo();
72 72
73 // Add the code starting at pc. 73 // Add the code starting at pc.
74 void AddCode(uword pc, intptr_t size); 74 void AddCode(uword pc, intptr_t size);
75 75
76 // Add symbol information for a region (includes the start and end symbol), 76 // Add symbol information for a region (includes the start and end symbol),
77 // does not add the actual code. 77 // does not add the actual code.
78 void AddCodeRegion(const char* name, uword pc, intptr_t size); 78 void AddCodeRegion(const char* name, uword pc, intptr_t size);
79 79
80 // Write out all the debug information info the memory region. 80 // Write out all the debug information info the memory region.
81 bool WriteToMemory(ByteArray* region); 81 bool WriteToMemory(ByteVector* region);
82 82
83 // Create a new debug information generator. 83 // Create a new debug information generator.
84 static DebugInfo* NewGenerator(); 84 static DebugInfo* NewGenerator();
85 85
86 // Register this generated section with debuggger using the JIT interface. 86 // Register this generated section with debuggger using the JIT interface.
87 static void RegisterSection(const char* name, 87 static void RegisterSection(const char* name,
88 uword entry_point, 88 uword entry_point,
89 intptr_t size); 89 intptr_t size);
90 90
91 // Unregister all generated section from debuggger. 91 // Unregister all generated section from debuggger.
92 static void UnregisterAllSections(); 92 static void UnregisterAllSections();
93 93
94 private: 94 private:
95 void* handle_; 95 void* handle_;
96 DebugInfo(); 96 DebugInfo();
97 97
98 DISALLOW_COPY_AND_ASSIGN(DebugInfo); 98 DISALLOW_COPY_AND_ASSIGN(DebugInfo);
99 }; 99 };
100 100
101 } // namespace dart 101 } // namespace dart
102 102
103 #endif // VM_DEBUGINFO_H_ 103 #endif // VM_DEBUGINFO_H_
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