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#include "elfinfoprint.h"
#include "bootloader_compat.h"
bool IsElf(Elf64_Ehdr * header)
{
if(!header)
{
return false;
}
if(header->e_ident[EI_MAG0] != ELFMAG0) {
return false;
}
if(header->e_ident[EI_MAG1] != ELFMAG1) {
return false;
}
if(header->e_ident[EI_MAG2] != ELFMAG2) {
return false;
}
if(header->e_ident[EI_MAG3] != ELFMAG3) {
return false;
}
return true;
}
void ElfInfoPrint(Elf64_Ehdr * header)
{
// check if actual elf file
if(!IsElf(header))
{
Print(L"Not an ELF File\n");
return;
}
if(header->e_type == ET_EXEC)
{
Print(L"Executable file\n");
}
if(header->e_machine == EM_X86_64)
{
Print(L"AMD64 Machine\n");
} else
{
Print(L"Unrecorginzed Machine\n");
}
Print(L"Entry point: hx%x\n", header->e_entry);
char * strtable = elf_str_table(header);
Print(L"%s\n", strtable);
}
// functions to access section headers
Elf64_Shdr *elf_sheader(Elf64_Ehdr *hdr)
{
return (Elf64_Shdr *)((uintptr_t)hdr + hdr->e_shoff);
}
Elf64_Shdr *elf_section(Elf64_Ehdr *hdr, int idx)
{
return &elf_sheader(hdr)[idx];
}
char *elf_str_table(Elf64_Ehdr *hdr)
{
if(hdr->e_shstrndx == SHN_UNDEF) return NULL;
return (char *)hdr + elf_section(hdr, hdr->e_shstrndx)->sh_offset;
}
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