binaries/elf/elf.c

11  * Checks that elfFile points to a valid elf file. Returns 0 if the elf
16 elf_checkFile(void *elfFile)
18     return ISELF32 (elfFile)
19            ? elf32_checkFile(elfFile)
20            : elf64_checkFile(elfFile);
25 elf_getNumProgramHeaders(void *elfFile)
27     return ISELF32 (elfFile)
28            ? elf32_getNumProgramHeaders(elfFile)
29            : elf64_getNumProgramHeaders(elfFile);
33 elf_getProgramHeaderFlags(void *elfFile, uint16_t ph)
35     return ISELF32 (elfFile)
36            ? elf32_getProgramHeaderFlags(elfFile, ph)
37            : elf64_getProgramHeaderFlags(elfFile, ph);
41 elf_getProgramHeaderType(void *elfFile, uint16_t ph)
43     return ISELF32 (elfFile)
44            ? elf32_getProgramHeaderType(elfFile, ph)
45            : elf64_getProgramHeaderType(elfFile, ph);
49 elf_getProgramHeaderPaddr(void *elfFile, uint16_t ph)
51     return ISELF32 (elfFile)
52            ? elf32_getProgramHeaderPaddr(elfFile, ph)
53            : elf64_getProgramHeaderPaddr(elfFile, ph);
57 elf_getProgramHeaderVaddr(void *elfFile, uint16_t ph)
59     return ISELF32 (elfFile)
60            ? elf32_getProgramHeaderVaddr(elfFile, ph)
61            : elf64_getProgramHeaderVaddr(elfFile, ph);
65 elf_getProgramHeaderMemorySize(void *elfFile, uint16_t ph)
67     return ISELF32 (elfFile)
68            ? elf32_getProgramHeaderMemorySize(elfFile, ph)
69            : elf64_getProgramHeaderMemorySize(elfFile, ph);
73 elf_getProgramHeaderFileSize(void *elfFile, uint16_t ph)
75     return ISELF32 (elfFile)
76            ? elf32_getProgramHeaderFileSize(elfFile, ph)
77            : elf64_getProgramHeaderFileSize(elfFile, ph);
81 elf_getProgramHeaderOffset(void *elfFile, uint16_t ph)
83     return ISELF32 (elfFile)
84            ? elf32_getProgramHeaderOffset(elfFile, ph)
85            : elf64_getProgramHeaderOffset(elfFile, ph);
89 elf_getSegmentStringTable(void *elfFile)
91     return ISELF32 (elfFile)
92            ? elf32_getSegmentStringTable(elfFile)
93            : elf64_getSegmentStringTable(elfFile);
97 elf_getStringTable(void *elfFile, int string_segment)
99     return ISELF32 (elfFile)
100            ? elf32_getStringTable(elfFile)
101            : elf64_getStringTable(elfFile, string_segment);
105 elf_getNumSections(void *elfFile)
107     return ISELF32 (elfFile)
108            ? elf32_getNumSections(elfFile)
109            : elf64_getNumSections(elfFile);
113 elf_getSectionName(void *elfFile, int i)
115     return ISELF32 (elfFile)
116            ? elf32_getSectionName(elfFile, i)
117            : elf64_getSectionName(elfFile, i);
121 elf_getSectionFlags(void *elfFile, int i)
123     return ISELF32 (elfFile)
124            ? elf32_getSectionFlags(elfFile, i)
125            : elf64_getSectionFlags(elfFile, i);
129 elf_getSectionType(void *elfFile, int i)
131     return ISELF32 (elfFile)
132            ? elf32_getSectionType(elfFile, i)
133            : elf64_getSectionType(elfFile, i);
137 elf_getSectionSize(void *elfFile, int i)
139     return ISELF32 (elfFile)
140            ? elf32_getSectionSize(elfFile, i)
141            : elf64_getSectionSize(elfFile, i);
145 elf_getSectionAddr(void *elfFile, int i)
147     return ISELF32 (elfFile)
148            ? elf32_getSectionAddr(elfFile, i)
149            : elf64_getSectionAddr(elfFile, i);
153 elf_getSection(void *elfFile, int i)
155     return ISELF32 (elfFile)
156            ? elf32_getSection(elfFile, i)
157            : elf64_getSection(elfFile, i);
161 elf_getSectionNamed(void *elfFile, char *_str)
163     return ISELF32 (elfFile)
164            ? elf32_getSectionNamed(elfFile, _str)
165            : elf64_getSectionNamed(elfFile, _str);
169 elf_getProgramHeaderInfo(void *elfFile, uint16_t ph, uint64_t *p_vaddr,
173     *p_vaddr = elf_getProgramHeaderVaddr(elfFile, ph);
174     *p_paddr = elf_getProgramHeaderPaddr(elfFile, ph);
175     *p_filesz = elf_getProgramHeaderFileSize(elfFile, ph);
176     *p_offset = elf_getProgramHeaderOffset(elfFile, ph);
177     *p_memsz = elf_getProgramHeaderMemorySize(elfFile, ph);
181 elf_getEntryPoint(void *elfFile)
183     return ISELF32 (elfFile)
184            ? elf32_getEntryPoint (elfFile)
185            : elf64_getEntryPoint (elfFile);
189 elf_getMemoryBounds(void *elfFile, int phys, uint64_t *min, uint64_t *max)
195     if (elf_checkFile(elfFile) != 0) {
199     for (i = 0; i < elf_getNumProgramHeaders(elfFile); i++) {
202         if (elf_getProgramHeaderMemorySize(elfFile, i) == 0) {
207             sect_min = elf_getProgramHeaderPaddr(elfFile, i);
209             sect_min = elf_getProgramHeaderVaddr(elfFile, i);
212         sect_max = sect_min + elf_getProgramHeaderMemorySize(elfFile, i);
228 elf_vaddrInProgramHeader(void *elfFile, uint16_t ph, uint64_t vaddr)
230     uint64_t min = elf_getProgramHeaderVaddr(elfFile, ph);
231     uint64_t max = min + elf_getProgramHeaderMemorySize(elfFile, ph);
240 elf_vtopProgramHeader(void *elfFile, uint16_t ph, uint64_t vaddr)
242     uint64_t ph_phys = elf_getProgramHeaderPaddr(elfFile, ph);
243     uint64_t ph_virt = elf_getProgramHeaderVaddr(elfFile, ph);
252 elf_loadFile(void *elfFile, int phys)
256     if (elf_checkFile(elfFile) != 0) {
260     for (i = 0; i < elf_getNumProgramHeaders(elfFile); i++) {
265             dest = elf_getProgramHeaderPaddr(elfFile, i);
267             dest = elf_getProgramHeaderVaddr(elfFile, i);
269         len = elf_getProgramHeaderFileSize(elfFile, i);
270         src = (uint64_t) (uintptr_t) elfFile + elf_getProgramHeaderOffset(elfFile, i);
273         memset((void*) (uintptr_t) dest, 0, elf_getProgramHeaderMemorySize(elfFile, i) - len);