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netdump.h
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netdump.h
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/* netdump.h
*
* Copyright (C) 2002-2009, 2017-2018 David Anderson
* Copyright (C) 2002-2009, 2017-2018 Red Hat, Inc. All rights reserved.
*
* 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.
*
* Author: David Anderson
*/
#include <elf.h>
#define MIN_NETDUMP_ELF32_HEADER_SIZE \
sizeof(Elf32_Ehdr)+sizeof(Elf32_Phdr)+sizeof(Elf32_Phdr)
#define MIN_NETDUMP_ELF64_HEADER_SIZE \
sizeof(Elf64_Ehdr)+sizeof(Elf64_Phdr)+sizeof(Elf64_Phdr)
#define MIN_NETDUMP_ELF_HEADER_SIZE \
MAX(MIN_NETDUMP_ELF32_HEADER_SIZE, MIN_NETDUMP_ELF64_HEADER_SIZE)
#define NT_TASKSTRUCT 4
#define NT_DISKDUMP 0x70000001
#ifdef NOTDEF
/*
* Note: Based upon the original, abandoned, proposal for
* its contents -- keep around for potential future use.
*/
#ifndef NT_KDUMPINFO
#define NT_KDUMPINFO 7
#endif
#endif /* NOTDEF */
struct pt_load_segment {
off_t file_offset;
physaddr_t phys_start;
physaddr_t phys_end;
physaddr_t zero_fill;
};
struct vmcore_data {
ulong flags;
int ndfd;
FILE *ofp;
uint header_size;
char *elf_header;
uint num_pt_load_segments;
struct pt_load_segment *pt_load_segments;
Elf32_Ehdr *elf32;
Elf32_Phdr *notes32;
Elf32_Phdr *load32;
Elf64_Ehdr *elf64;
Elf64_Phdr *notes64;
Elf64_Phdr *load64;
void *nt_prstatus;
void *nt_prpsinfo;
void *nt_taskstruct;
ulong task_struct;
uint page_size;
ulong switch_stack;
uint num_prstatus_notes;
void *nt_prstatus_percpu[NR_CPUS];
void *vmcoreinfo;
uint size_vmcoreinfo;
/* Backup Region, first 640K of System RAM. */
#define KEXEC_BACKUP_SRC_END 0x0009ffff
uint num_qemu_notes;
void *nt_qemu_percpu[NR_CPUS];
ulonglong backup_src_start;
ulong backup_src_size;
ulonglong backup_offset;
ulong arch_data;
ulong phys_base;
};
#define DUMP_ELF_INCOMPLETE 0x1 /* dumpfile is incomplete */
/*
* S390 CPU timer ELF note
*/
#ifndef NT_S390_TIMER
#define NT_S390_TIMER 0x301
#endif
/*
* S390 TOD clock comparator ELF note
*/
#ifndef NT_S390_TODCMP
#define NT_S390_TODCMP 0x302
#endif
/*
* S390 TOD programmable register ELF note
*/
#ifndef NT_S390_TODPREG
#define NT_S390_TODPREG 0x303
#endif
/*
* S390 control registers ELF note
*/
#ifndef NT_S390_CTRS
#define NT_S390_CTRS 0x304
#endif
/*
* S390 prefix ELF note
*/
#ifndef NT_S390_PREFIX
#define NT_S390_PREFIX 0x305
#endif
/*
* S390 vector registers 0-15 upper half note (16 * u64)
*/
#ifndef NT_S390_VXRS_LOW
#define NT_S390_VXRS_LOW 0x309
#endif
/*
* S390 vector registers 16-31 note (16 * u128)
*/
#ifndef NT_S390_VXRS_HIGH
#define NT_S390_VXRS_HIGH 0x30a
#endif
#define MAX_KCORE_ELF_HEADER_SIZE (32768)
struct proc_kcore_data {
uint flags;
uint segments;
char *elf_header;
size_t header_size;
Elf64_Phdr *load64;
Elf64_Phdr *notes64;
Elf32_Phdr *load32;
Elf32_Phdr *notes32;
void *vmcoreinfo;
uint size_vmcoreinfo;
};