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Side by Side Diff: courgette/disassembler_win32_x86.h

Issue 1543643002: Switch to standard integer types in courgette/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: fix Created 5 years ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef COURGETTE_DISASSEMBLER_WIN32_X86_H_ 5 #ifndef COURGETTE_DISASSEMBLER_WIN32_X86_H_
6 #define COURGETTE_DISASSEMBLER_WIN32_X86_H_ 6 #define COURGETTE_DISASSEMBLER_WIN32_X86_H_
7 7
8 #include "base/basictypes.h" 8 #include <stddef.h>
9 #include <stdint.h>
10
11 #include "base/macros.h"
9 #include "courgette/disassembler.h" 12 #include "courgette/disassembler.h"
10 #include "courgette/memory_allocator.h" 13 #include "courgette/memory_allocator.h"
11 #include "courgette/types_win_pe.h" 14 #include "courgette/types_win_pe.h"
12 15
13 #ifdef COURGETTE_HISTOGRAM_TARGETS 16 #ifdef COURGETTE_HISTOGRAM_TARGETS
14 #include <map> 17 #include <map>
15 #endif 18 #endif
16 19
17 namespace courgette { 20 namespace courgette {
18 21
(...skipping 10 matching lines...) Expand all
29 // functions may be called. 32 // functions may be called.
30 virtual bool ParseHeader(); 33 virtual bool ParseHeader();
31 34
32 virtual bool Disassemble(AssemblyProgram* target); 35 virtual bool Disassemble(AssemblyProgram* target);
33 36
34 // 37 //
35 // Exposed for test purposes 38 // Exposed for test purposes
36 // 39 //
37 40
38 bool has_text_section() const { return has_text_section_; } 41 bool has_text_section() const { return has_text_section_; }
39 uint32 size_of_code() const { return size_of_code_; } 42 uint32_t size_of_code() const { return size_of_code_; }
40 bool is_32bit() const { return !is_PE32_plus_; } 43 bool is_32bit() const { return !is_PE32_plus_; }
41 44
42 // Returns 'true' if the base relocation table can be parsed. 45 // Returns 'true' if the base relocation table can be parsed.
43 // Output is a vector of the RVAs corresponding to locations within executable 46 // Output is a vector of the RVAs corresponding to locations within executable
44 // that are listed in the base relocation table. 47 // that are listed in the base relocation table.
45 bool ParseRelocs(std::vector<RVA> *addresses); 48 bool ParseRelocs(std::vector<RVA> *addresses);
46 49
47 // Returns Section containing the relative virtual address, or NULL if none. 50 // Returns Section containing the relative virtual address, or NULL if none.
48 const Section* RVAToSection(RVA rva) const; 51 const Section* RVAToSection(RVA rva) const;
49 52
50 static const int kNoOffset = -1; 53 static const int kNoOffset = -1;
51 // Returns kNoOffset if there is no file offset corresponding to 'rva'. 54 // Returns kNoOffset if there is no file offset corresponding to 'rva'.
52 int RVAToFileOffset(RVA rva) const; 55 int RVAToFileOffset(RVA rva) const;
53 56
54 // Returns same as FileOffsetToPointer(RVAToFileOffset(rva)) except that NULL 57 // Returns same as FileOffsetToPointer(RVAToFileOffset(rva)) except that NULL
55 // is returned if there is no file offset corresponding to 'rva'. 58 // is returned if there is no file offset corresponding to 'rva'.
56 const uint8* RVAToPointer(RVA rva) const; 59 const uint8_t* RVAToPointer(RVA rva) const;
57 60
58 static std::string SectionName(const Section* section); 61 static std::string SectionName(const Section* section);
59 62
60 protected: 63 protected:
61 CheckBool ParseFile(AssemblyProgram* target) WARN_UNUSED_RESULT; 64 CheckBool ParseFile(AssemblyProgram* target) WARN_UNUSED_RESULT;
62 bool ParseAbs32Relocs(); 65 bool ParseAbs32Relocs();
63 void ParseRel32RelocsFromSections(); 66 void ParseRel32RelocsFromSections();
64 void ParseRel32RelocsFromSection(const Section* section); 67 void ParseRel32RelocsFromSection(const Section* section);
65 68
66 CheckBool ParseNonSectionFileRegion(uint32 start_file_offset, 69 CheckBool ParseNonSectionFileRegion(uint32_t start_file_offset,
67 uint32 end_file_offset, AssemblyProgram* program) WARN_UNUSED_RESULT; 70 uint32_t end_file_offset,
71 AssemblyProgram* program)
72 WARN_UNUSED_RESULT;
68 CheckBool ParseFileRegion(const Section* section, 73 CheckBool ParseFileRegion(const Section* section,
69 uint32 start_file_offset, uint32 end_file_offset, 74 uint32_t start_file_offset,
70 AssemblyProgram* program) WARN_UNUSED_RESULT; 75 uint32_t end_file_offset,
76 AssemblyProgram* program) WARN_UNUSED_RESULT;
71 77
72 #if COURGETTE_HISTOGRAM_TARGETS 78 #if COURGETTE_HISTOGRAM_TARGETS
73 void HistogramTargets(const char* kind, const std::map<RVA, int>& map); 79 void HistogramTargets(const char* kind, const std::map<RVA, int>& map);
74 #endif 80 #endif
75 81
76 // Most addresses are represented as 32-bit RVAs. The one address we can't 82 // Most addresses are represented as 32-bit RVAs. The one address we can't
77 // do this with is the image base address. 'image_base' is valid only for 83 // do this with is the image base address. 'image_base' is valid only for
78 // 32-bit executables. 'image_base_64' is valid for 32- and 64-bit executable. 84 // 32-bit executables. 'image_base_64' is valid for 32- and 64-bit executable.
79 uint32 image_base() const { return static_cast<uint32>(image_base_); } 85 uint32_t image_base() const { return static_cast<uint32_t>(image_base_); }
80 86
81 const ImageDataDirectory& base_relocation_table() const { 87 const ImageDataDirectory& base_relocation_table() const {
82 return base_relocation_table_; 88 return base_relocation_table_;
83 } 89 }
84 90
85 // Returns description of the RVA, e.g. ".text+0x1243". For debugging only. 91 // Returns description of the RVA, e.g. ".text+0x1243". For debugging only.
86 std::string DescribeRVA(RVA rva) const; 92 std::string DescribeRVA(RVA rva) const;
87 93
88 // Finds the first section at file_offset or above. Does not return sections 94 // Finds the first section at file_offset or above. Does not return sections
89 // that have no raw bytes in the file. 95 // that have no raw bytes in the file.
90 const Section* FindNextSection(uint32 file_offset) const; 96 const Section* FindNextSection(uint32_t file_offset) const;
91 97
92 // There are 2 'coordinate systems' for reasoning about executables. 98 // There are 2 'coordinate systems' for reasoning about executables.
93 // FileOffset - the the offset within a single .EXE or .DLL *file*. 99 // FileOffset - the the offset within a single .EXE or .DLL *file*.
94 // RVA - relative virtual address (offset within *loaded image*) 100 // RVA - relative virtual address (offset within *loaded image*)
95 // FileOffsetToRVA and RVAToFileOffset convert between these representations. 101 // FileOffsetToRVA and RVAToFileOffset convert between these representations.
96 102
97 RVA FileOffsetToRVA(uint32 offset) const; 103 RVA FileOffsetToRVA(uint32_t offset) const;
98
99 104
100 private: 105 private:
101 106
102 bool ReadDataDirectory(int index, ImageDataDirectory* dir); 107 bool ReadDataDirectory(int index, ImageDataDirectory* dir);
103 108
104 bool incomplete_disassembly_; // 'true' if can leave out 'uninteresting' bits 109 bool incomplete_disassembly_; // 'true' if can leave out 'uninteresting' bits
105 110
106 std::vector<RVA> abs32_locations_; 111 std::vector<RVA> abs32_locations_;
107 std::vector<RVA> rel32_locations_; 112 std::vector<RVA> rel32_locations_;
108 113
109 // 114 //
110 // Fields that are always valid. 115 // Fields that are always valid.
111 // 116 //
112 117
113 // 118 //
114 // Information that is valid after successful ParseHeader. 119 // Information that is valid after successful ParseHeader.
115 // 120 //
116 bool is_PE32_plus_; // PE32_plus is for 64 bit executables. 121 bool is_PE32_plus_; // PE32_plus is for 64 bit executables.
117 122
118 // Location and size of IMAGE_OPTIONAL_HEADER in the buffer. 123 // Location and size of IMAGE_OPTIONAL_HEADER in the buffer.
119 const uint8 *optional_header_; 124 const uint8_t* optional_header_;
120 uint16 size_of_optional_header_; 125 uint16_t size_of_optional_header_;
121 uint16 offset_of_data_directories_; 126 uint16_t offset_of_data_directories_;
122 127
123 uint16 machine_type_; 128 uint16_t machine_type_;
124 uint16 number_of_sections_; 129 uint16_t number_of_sections_;
125 const Section *sections_; 130 const Section *sections_;
126 bool has_text_section_; 131 bool has_text_section_;
127 132
128 uint32 size_of_code_; 133 uint32_t size_of_code_;
129 uint32 size_of_initialized_data_; 134 uint32_t size_of_initialized_data_;
130 uint32 size_of_uninitialized_data_; 135 uint32_t size_of_uninitialized_data_;
131 RVA base_of_code_; 136 RVA base_of_code_;
132 RVA base_of_data_; 137 RVA base_of_data_;
133 138
134 uint64 image_base_; // range limited to 32 bits for 32 bit executable 139 uint64_t image_base_; // range limited to 32 bits for 32 bit executable
135 uint32 size_of_image_; 140 uint32_t size_of_image_;
136 int number_of_data_directories_; 141 int number_of_data_directories_;
137 142
138 ImageDataDirectory export_table_; 143 ImageDataDirectory export_table_;
139 ImageDataDirectory import_table_; 144 ImageDataDirectory import_table_;
140 ImageDataDirectory resource_table_; 145 ImageDataDirectory resource_table_;
141 ImageDataDirectory exception_table_; 146 ImageDataDirectory exception_table_;
142 ImageDataDirectory base_relocation_table_; 147 ImageDataDirectory base_relocation_table_;
143 ImageDataDirectory bound_import_table_; 148 ImageDataDirectory bound_import_table_;
144 ImageDataDirectory import_address_table_; 149 ImageDataDirectory import_address_table_;
145 ImageDataDirectory delay_import_descriptor_; 150 ImageDataDirectory delay_import_descriptor_;
146 ImageDataDirectory clr_runtime_header_; 151 ImageDataDirectory clr_runtime_header_;
147 152
148 #if COURGETTE_HISTOGRAM_TARGETS 153 #if COURGETTE_HISTOGRAM_TARGETS
149 std::map<RVA, int> abs32_target_rvas_; 154 std::map<RVA, int> abs32_target_rvas_;
150 std::map<RVA, int> rel32_target_rvas_; 155 std::map<RVA, int> rel32_target_rvas_;
151 #endif 156 #endif
152 157
153 158
154 DISALLOW_COPY_AND_ASSIGN(DisassemblerWin32X86); 159 DISALLOW_COPY_AND_ASSIGN(DisassemblerWin32X86);
155 }; 160 };
156 161
157 } // namespace courgette 162 } // namespace courgette
158 #endif // COURGETTE_DISASSEMBLER_WIN32_X86_H_ 163 #endif // COURGETTE_DISASSEMBLER_WIN32_X86_H_
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