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/*
* elf_info.h
*
* Copyright (C) 2011 NEC Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _ELF_INFO_H
#define _ELF_INFO_H
#include <elf.h>
#include <sys/types.h>
#define KEXEC_CORE_NOTE_NAME "CORE"
#define KEXEC_CORE_NOTE_NAME_BYTES sizeof(KEXEC_CORE_NOTE_NAME)
#define ERASEINFO_NOTE_NAME "ERASEINFO"
#define ERASEINFO_NOTE_NAME_BYTES (sizeof(ERASEINFO_NOTE_NAME))
#define MAX_SIZE_NHDR MAX(sizeof(Elf64_Nhdr), sizeof(Elf32_Nhdr))
int get_elf64_phdr(int fd, char *filename, int index, Elf64_Phdr *phdr);
int get_elf32_phdr(int fd, char *filename, int index, Elf32_Phdr *phdr);
off_t paddr_to_offset(unsigned long long paddr);
off_t paddr_to_offset2(unsigned long long paddr, off_t hint);
off_t offset_to_pt_load_end(off_t offset);
unsigned long long vaddr_to_paddr_general(unsigned long long vaddr);
off_t vaddr_to_offset_slow(int fd, char *filename, unsigned long long vaddr);
unsigned long long get_max_paddr(void);
int closest_pt_load(unsigned long long paddr, unsigned long distance);
int page_is_fractional(off_t page_offset);
int get_elf64_ehdr(int fd, char *filename, Elf64_Ehdr *ehdr);
int get_elf32_ehdr(int fd, char *filename, Elf32_Ehdr *ehdr);
int get_elf_info(int fd, char *filename);
void free_elf_info(void);
int set_kcore_vmcoreinfo(uint64_t vmcoreinfo_addr, uint64_t vmcoreinfo_len);
int get_kcore_dump_loads(void);
int is_elf64_memory(void);
int is_xen_memory(void);
int get_elf64_phnum(int fd, char *filename, Elf64_Ehdr *ehdr, int *phnum);
int get_phnum_memory(void);
int get_phdr_memory(int index, Elf64_Phdr *phdr);
int get_pt_load(int idx,
unsigned long long *phys_start,
unsigned long long *phys_end,
unsigned long long *virt_start,
unsigned long long *virt_end);
int get_pt_load_extents(int idx,
unsigned long long *phys_start,
unsigned long long *phys_end,
off_t *file_offset,
off_t *file_size);
unsigned int get_num_pt_loads(void);
void set_nr_cpus(int num);
int get_nr_cpus(void);
int has_pt_note(void);
void set_pt_note(off_t offset, unsigned long size);
void get_pt_note(off_t *offset, unsigned long *size);
int has_vmcoreinfo(void);
void set_vmcoreinfo(off_t offset, unsigned long size);
void get_vmcoreinfo(off_t *offset, unsigned long *size);
int has_vmcoreinfo_xen(void);
void get_vmcoreinfo_xen(off_t *offset, unsigned long *size);
void get_xen_crash_info(off_t *offset, unsigned long *size);
int has_eraseinfo(void);
void get_eraseinfo(off_t *offset, unsigned long *size);
void set_eraseinfo(off_t offset, unsigned long size);
off_t get_max_file_offset(void);
#endif /* ELF_INFO_H */
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