diff options
Diffstat (limited to 'elf_info.h')
| -rw-r--r-- | elf_info.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/elf_info.h b/elf_info.h new file mode 100644 index 0000000..cd4ffa6 --- /dev/null +++ b/elf_info.h @@ -0,0 +1,95 @@ +/* + * 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); +unsigned long long page_head_to_phys_start(unsigned long long head_paddr); +unsigned long long page_head_to_phys_end(unsigned long long head_paddr); +off_t offset_to_pt_load_start(off_t offset); +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 get_elf_loads(int fd, char *filename); +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_phnum_memory(void); +int get_phdr_memory(int index, Elf64_Phdr *phdr); +off_t get_offset_pt_load_memory(void); +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 */ + + |