99 static int readElfHeader(ifstream& elfFile, Elf64_Ehdr* eh) {  in readElfHeader()  argument
100     elfFile.seekg(0);  in readElfHeader()
101     if (elfFile.fail()) return -1;  in readElfHeader()
103     if (!elfFile.read((char*)eh, sizeof(*eh))) return -1;  in readElfHeader()
109 static int readSectionHeadersAll(ifstream& elfFile, vector<Elf64_Shdr>& shTable) {  in readSectionHeadersAll()  argument
113     ret = readElfHeader(elfFile, &eh);  in readSectionHeadersAll()
116     elfFile.seekg(eh.e_shoff);  in readSectionHeadersAll()
117     if (elfFile.fail()) return -1;  in readSectionHeadersAll()
122     if (!elfFile.read((char*)shTable.data(), (eh.e_shnum * eh.e_shentsize))) return -ENOMEM;  in readSectionHeadersAll()
128 static int readSectionByIdx(ifstream& elfFile, int id, vector<char>& sec) {  in readSectionByIdx()  argument
132     ret = readSectionHeadersAll(elfFile, shTable);  in readSectionByIdx()
136     elfFile.seekg(shTable[id].sh_offset);  in readSectionByIdx()
137     if (elfFile.fail()) return -1;  in readSectionByIdx()
140     if (!elfFile.read(sec.data(), shTable[id].sh_size)) return -1;  in readSectionByIdx()
146 static int readSectionHeaderStrtab(ifstream& elfFile, vector<char>& strtab) {  in readSectionHeaderStrtab()  argument
150     ret = readElfHeader(elfFile, &eh);  in readSectionHeaderStrtab()
153     ret = readSectionByIdx(elfFile, eh.e_shstrndx, strtab);  in readSectionHeaderStrtab()
160 static int getSymName(ifstream& elfFile, int nameOff, string& name) {  in getSymName()  argument
164     ret = readSectionHeaderStrtab(elfFile, secStrTab);  in getSymName()
174 static int readSectionByName(const char* name, ifstream& elfFile, vector<char>& data) {  in readSectionByName()  argument
179     ret = readSectionHeadersAll(elfFile, shTable);  in readSectionByName()
182     ret = readSectionHeaderStrtab(elfFile, secStrTab);  in readSectionByName()
193             elfFile.seekg(shTable[i].sh_offset);  in readSectionByName()
194             if (elfFile.fail()) return -1;  in readSectionByName()
196             if (!elfFile.read((char*)dataTmp.data(), shTable[i].sh_size)) return -1;  in readSectionByName()
205 static int readSectionByType(ifstream& elfFile, int type, vector<char>& data) {  in readSectionByType()  argument
209     ret = readSectionHeadersAll(elfFile, shTable);  in readSectionByType()
218         elfFile.seekg(shTable[i].sh_offset);  in readSectionByType()
219         if (elfFile.fail()) return -1;  in readSectionByType()
221         if (!elfFile.read((char*)dataTmp.data(), shTable[i].sh_size)) return -1;  in readSectionByType()
233 static int readSymTab(ifstream& elfFile, int sort, vector<Elf64_Sym>& data) {  in readSymTab()  argument
238     ret = readSectionByType(elfFile, SHT_SYMTAB, secData);  in readSymTab()
282 static int readCodeSections(ifstream& elfFile, vector<codeSection>& cs) {  in readCodeSections()  argument
286     ret = readSectionHeadersAll(elfFile, shTable);  in readCodeSections()
295         ret = getSymName(elfFile, shTable[i].sh_name, name);  in readCodeSections()
304             ret = readSectionByIdx(elfFile, i, cs_temp.data);  in readCodeSections()
311             ret = getSymName(elfFile, shTable[i + 1].sh_name, name);  in readCodeSections()
315                 ret = readSectionByIdx(elfFile, i + 1, cs_temp.rel_data);  in readCodeSections()
329 static int getSymNameByIdx(ifstream& elfFile, int index, string& name) {  in getSymNameByIdx()  argument
333     ret = readSymTab(elfFile, 0 /* !sort */, symtab);  in getSymNameByIdx()
338     return getSymName(elfFile, symtab[index].st_name, name);  in getSymNameByIdx()
341 static int getMapNames(ifstream& elfFile, vector<string>& names) {  in getMapNames()  argument
347     ret = readSymTab(elfFile, 1 /* sort */, symtab);  in getMapNames()
351     ret = readSectionHeadersAll(elfFile, shTable);  in getMapNames()
356         ret = getSymName(elfFile, shTable[i].sh_name, mapName);  in getMapNames()
374             ret = getSymName(elfFile, symtab[i].st_name, s);  in getMapNames()
383 static int createMaps(const char* elfPath, ifstream& elfFile, vector<int>& mapFds) {  in createMaps()  argument
390     ret = readSectionByName("maps", elfFile, mdData);  in createMaps()
395     ret = getMapNames(elfFile, mapNames);  in createMaps()
475 static void applyMapRelo(ifstream& elfFile, vector<int> mapFds, vector<codeSection>& cs) {  in applyMapRelo()  argument
478     int ret = getMapNames(elfFile, mapNames);  in applyMapRelo()
489             ret = getSymNameByIdx(elfFile, symIndex, symName);  in applyMapRelo()
554     ifstream elfFile(elfPath, ios::in | ios::binary);  in loadProg()  local
555     if (!elfFile.is_open()) return -1;  in loadProg()
557     ret = readSectionByName("license", elfFile, license);  in loadProg()
565     ret = readCodeSections(elfFile, cs);  in loadProg()
574     ret = createMaps(elfPath, elfFile, mapFds);  in loadProg()
583     applyMapRelo(elfFile, mapFds, cs);  in loadProg()