79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
/*
|
||
|
|
* Copyright (C) Paul Mackerras 1997.
|
||
|
|
*
|
||
|
|
* Updates for PPC64 by Todd Inglett, Dave Engebretsen & Peter Bergner.
|
||
|
|
*/
|
||
|
|
#include <stdarg.h>
|
||
|
|
#include <stddef.h>
|
||
|
|
#include "elf.h"
|
||
|
|
#include "page.h"
|
||
|
|
#include "string.h"
|
||
|
|
#include "stdio.h"
|
||
|
|
|
||
|
|
int parse_elf64(void *hdr, struct elf_info *info)
|
||
|
|
{
|
||
|
|
Elf64_Ehdr *elf64 = hdr;
|
||
|
|
Elf64_Phdr *elf64ph;
|
||
|
|
unsigned int i;
|
||
|
|
|
||
|
|
if (!(elf64->e_ident[EI_MAG0] == ELFMAG0 &&
|
||
|
|
elf64->e_ident[EI_MAG1] == ELFMAG1 &&
|
||
|
|
elf64->e_ident[EI_MAG2] == ELFMAG2 &&
|
||
|
|
elf64->e_ident[EI_MAG3] == ELFMAG3 &&
|
||
|
|
elf64->e_ident[EI_CLASS] == ELFCLASS64 &&
|
||
|
|
#ifdef __LITTLE_ENDIAN__
|
||
|
|
elf64->e_ident[EI_DATA] == ELFDATA2LSB &&
|
||
|
|
#else
|
||
|
|
elf64->e_ident[EI_DATA] == ELFDATA2MSB &&
|
||
|
|
#endif
|
||
|
|
(elf64->e_type == ET_EXEC ||
|
||
|
|
elf64->e_type == ET_DYN) &&
|
||
|
|
elf64->e_machine == EM_PPC64))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
elf64ph = (Elf64_Phdr *)((unsigned long)elf64 +
|
||
|
|
(unsigned long)elf64->e_phoff);
|
||
|
|
for (i = 0; i < (unsigned int)elf64->e_phnum; i++, elf64ph++)
|
||
|
|
if (elf64ph->p_type == PT_LOAD)
|
||
|
|
break;
|
||
|
|
if (i >= (unsigned int)elf64->e_phnum)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
info->loadsize = (unsigned long)elf64ph->p_filesz;
|
||
|
|
info->memsize = (unsigned long)elf64ph->p_memsz;
|
||
|
|
info->elfoffset = (unsigned long)elf64ph->p_offset;
|
||
|
|
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
int parse_elf32(void *hdr, struct elf_info *info)
|
||
|
|
{
|
||
|
|
Elf32_Ehdr *elf32 = hdr;
|
||
|
|
Elf32_Phdr *elf32ph;
|
||
|
|
unsigned int i;
|
||
|
|
|
||
|
|
if (!(elf32->e_ident[EI_MAG0] == ELFMAG0 &&
|
||
|
|
elf32->e_ident[EI_MAG1] == ELFMAG1 &&
|
||
|
|
elf32->e_ident[EI_MAG2] == ELFMAG2 &&
|
||
|
|
elf32->e_ident[EI_MAG3] == ELFMAG3 &&
|
||
|
|
elf32->e_ident[EI_CLASS] == ELFCLASS32 &&
|
||
|
|
elf32->e_ident[EI_DATA] == ELFDATA2MSB &&
|
||
|
|
(elf32->e_type == ET_EXEC ||
|
||
|
|
elf32->e_type == ET_DYN) &&
|
||
|
|
elf32->e_machine == EM_PPC))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
elf32ph = (Elf32_Phdr *) ((unsigned long)elf32 + elf32->e_phoff);
|
||
|
|
for (i = 0; i < elf32->e_phnum; i++, elf32ph++)
|
||
|
|
if (elf32ph->p_type == PT_LOAD)
|
||
|
|
break;
|
||
|
|
if (i >= elf32->e_phnum)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
info->loadsize = elf32ph->p_filesz;
|
||
|
|
info->memsize = elf32ph->p_memsz;
|
||
|
|
info->elfoffset = elf32ph->p_offset;
|
||
|
|
return 1;
|
||
|
|
}
|