elf_object.hh (10880:61a56f76222b) | elf_object.hh (11389:1e55f16160cb) |
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1/* 2 * Copyright (c) 2013 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 48 unchanged lines hidden (view full) --- 57 58 //These values are provided to a linux process by the kernel, so we 59 //need to keep them around. 60 Addr _programHeaderTable; 61 uint16_t _programHeaderSize; 62 uint16_t _programHeaderCount; 63 std::set<std::string> sectionNames; 64 | 1/* 2 * Copyright (c) 2013 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 48 unchanged lines hidden (view full) --- 57 58 //These values are provided to a linux process by the kernel, so we 59 //need to keep them around. 60 Addr _programHeaderTable; 61 uint16_t _programHeaderSize; 62 uint16_t _programHeaderCount; 63 std::set<std::string> sectionNames; 64 |
65 ElfObject *interpreter; 66 67 // An interpreter load bias is the location in the process address space 68 // where the interpreter is chosen to reside. Typically, this is carved 69 // out of the top of the mmap reserve section. 70 Addr ldBias; 71 72 // The interpreter is typically a relocatable shared library and will 73 // have a default value of zero which means that it does not care where 74 // it is placed. However, the loader can be compiled and linked so that 75 // it does care and needs a specific entry point. 76 bool relocate; 77 78 // The ldMin and ldMax fields are required to know how large of an 79 // area is required to map the interpreter. 80 Addr ldMin; 81 Addr ldMax; 82 |
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65 /// Helper functions for loadGlobalSymbols() and loadLocalSymbols(). 66 bool loadSomeSymbols(SymbolTable *symtab, int binding, Addr mask); 67 68 ElfObject(const std::string &_filename, size_t _len, uint8_t *_data, 69 Arch _arch, OpSys _opSys); 70 71 void getSections(); 72 bool sectionExists(std::string sec); 73 74 std::vector<Segment> extraSegments; 75 76 public: 77 virtual ~ElfObject() {} 78 79 bool loadSections(PortProxy& memProxy, 80 Addr addrMask = std::numeric_limits<Addr>::max(), | 83 /// Helper functions for loadGlobalSymbols() and loadLocalSymbols(). 84 bool loadSomeSymbols(SymbolTable *symtab, int binding, Addr mask); 85 86 ElfObject(const std::string &_filename, size_t _len, uint8_t *_data, 87 Arch _arch, OpSys _opSys); 88 89 void getSections(); 90 bool sectionExists(std::string sec); 91 92 std::vector<Segment> extraSegments; 93 94 public: 95 virtual ~ElfObject() {} 96 97 bool loadSections(PortProxy& memProxy, 98 Addr addrMask = std::numeric_limits<Addr>::max(), |
81 Addr offset = 0); | 99 Addr offset = 0) override; |
82 virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask = | 100 virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask = |
83 std::numeric_limits | 101 std::numeric_limits<Addr>::max()) override; |
84 virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask = | 102 virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask = |
85 std::numeric_limits | 103 std::numeric_limits<Addr>::max()) override; |
86 virtual bool loadWeakSymbols(SymbolTable *symtab, Addr addrMask = | 104 virtual bool loadWeakSymbols(SymbolTable *symtab, Addr addrMask = |
87 std::numeric_limits | 105 std::numeric_limits<Addr>::max()) override; |
88 | 106 |
89 virtual bool isDynamic() { return sectionExists(".interp"); } 90 virtual bool hasTLS() { return sectionExists(".tbss"); } | 107 virtual ObjectFile *getInterpreter() const override 108 { return interpreter; } 109 virtual Addr bias() const override { return ldBias; } 110 virtual bool relocatable() const override { return relocate; } 111 virtual Addr mapSize() const override { return ldMax - ldMin; } 112 virtual void updateBias(Addr bias_addr) override; |
91 | 113 |
114 virtual bool hasTLS() override { return sectionExists(".tbss"); } 115 |
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92 static ObjectFile *tryFile(const std::string &fname, | 116 static ObjectFile *tryFile(const std::string &fname, |
93 size_t len, uint8_t *data); | 117 size_t len, uint8_t *data, 118 bool skip_interp_check = false); |
94 Addr programHeaderTable() {return _programHeaderTable;} 95 uint16_t programHeaderSize() {return _programHeaderSize;} 96 uint16_t programHeaderCount() {return _programHeaderCount;} 97}; 98 99#endif // __ELF_OBJECT_HH__ | 119 Addr programHeaderTable() {return _programHeaderTable;} 120 uint16_t programHeaderSize() {return _programHeaderSize;} 121 uint16_t programHeaderCount() {return _programHeaderCount;} 122}; 123 124#endif // __ELF_OBJECT_HH__ |