uint64_t
elf_getSectionOffset(void *elfFile, int i)
{
return ISELF32 (elfFile)
? elf32_getSectionOffset(elfFile, i)
: elf64_getSectionOffset(elfFile, i);
}
void *elf32_getSymbolNamed(struct Elf32_Header *elfFile, char *str)
{
int symTableIdx = elf32_getSymbolTableIdx(elfFile, ".symtab");
char *strTable = (symTableIdx != -1)
? (char *)((uintptr_t)elfFile + (uintptr_t)elf32_getSymbolStrTable(elfFile, symTableIdx))
: NULL;
struct Elf32_Sym *symTable = (symTableIdx != -1)
? (struct Elf32_Sym *)((uintptr_t)elfFile + (uintptr_t)elf32_getSectionOffset(elfFile, symTableIdx))
: NULL;
if(strTable != NULL && symTable != NULL)
{
unsigned int nbSym = elf32_getSectionSize(elfFile, symTableIdx) / elf32_getSectionEntsize(elfFile, symTableIdx);
for(int i = 0; i < nbSym; i++)
{
if(strcmp(str, (char *)((uintptr_t)strTable + (uintptr_t)symTable[i].st_name)) == 0)
return &(symTable[i]);
}
}
return NULL;
}
void * elf32_getSectionOffsetNamed(struct Elf32_Header *elfFile, char *str)
{
for (uint16_t i = 0; i < elf32_getNumSections(elfFile); i++)
{
if (strcmp(str, elf32_getSectionName(elfFile, i)) == 0)
return (void *)(uintptr_t)elf32_getSectionOffset(elfFile, i);
}
return NULL;
}
char * elf32_getSectionStringTable(struct Elf32_Header *elfFile)
{
return (elf32_getStringTableIdx(elfFile) == SHN_UNDEF)
? NULL
: (char *)(uintptr_t)elf32_getSectionOffset(elfFile, elf32_getStringTableIdx(elfFile));
}
