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