mirror of
https://github.com/crash-utility/crash
synced 2024-12-12 20:24:34 +00:00
310 lines
11 KiB
C
310 lines
11 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
/* OBSOLETE */
|
|
|
|
#ifdef IA64
|
|
|
|
#define UTSNAME_ENTRY_SZ 65
|
|
|
|
/* necessary header definitions in all cases */
|
|
#define DUMP_KIOBUF_NUMBER 0xdeadbeef /* special number for kiobuf maps */
|
|
|
|
/* size of a dump header page */
|
|
#define DUMP_PAGE_SZ 64 * 1024 /* size of dump page buffer */
|
|
|
|
/* header definitions for s390 dump */
|
|
#define DUMP_MAGIC_S390 0xa8190173618f23fdULL /* s390 magic number */
|
|
#define S390_DUMP_HEADER_SIZE 4096
|
|
|
|
/* standard header definitions */
|
|
#define DUMP_MAGIC_NUMBER 0xa8190173618f23edULL /* dump magic number */
|
|
#define DUMP_MAGIC_LIVE 0xa8190173618f23cdULL /* live magic number */
|
|
#define DUMP_VERSION_NUMBER 0x5 /* dump version number */
|
|
#define DUMP_PANIC_LEN 0x100 /* dump panic string length */
|
|
|
|
/* dump levels - type specific stuff added later -- add as necessary */
|
|
#define DUMP_LEVEL_NONE 0x0 /* no dumping at all -- just bail */
|
|
#define DUMP_LEVEL_HEADER 0x1 /* kernel dump header only */
|
|
#define DUMP_LEVEL_KERN 0x2 /* dump header and kernel pages */
|
|
#define DUMP_LEVEL_USED 0x4 /* dump header, kernel/user pages */
|
|
#define DUMP_LEVEL_ALL 0x8 /* dump header, all memory pages */
|
|
|
|
/* dump compression options -- add as necessary */
|
|
#define DUMP_COMPRESS_NONE 0x0 /* don't compress this dump */
|
|
#define DUMP_COMPRESS_RLE 0x1 /* use RLE compression */
|
|
#define DUMP_COMPRESS_GZIP 0x2 /* use GZIP compression */
|
|
|
|
/* dump flags - any dump-type specific flags -- add as necessary */
|
|
#define DUMP_FLAGS_NONE 0x0 /* no flags are set for this dump */
|
|
#define DUMP_FLAGS_NONDISRUPT 0x1 /* try to keep running after dump */
|
|
|
|
/* dump header flags -- add as necessary */
|
|
#define DUMP_DH_FLAGS_NONE 0x0 /* no flags set (error condition!) */
|
|
#define DUMP_DH_RAW 0x1 /* raw page (no compression) */
|
|
#define DUMP_DH_COMPRESSED 0x2 /* page is compressed */
|
|
#define DUMP_DH_END 0x4 /* end marker on a full dump */
|
|
|
|
/* names for various dump tunables (they are now all read-only) */
|
|
#define DUMP_ROOT_NAME "sys/dump"
|
|
#define DUMP_DEVICE_NAME "dump_device"
|
|
#define DUMP_COMPRESS_NAME "dump_compress"
|
|
#define DUMP_LEVEL_NAME "dump_level"
|
|
#define DUMP_FLAGS_NAME "dump_flags"
|
|
|
|
/* page size for gzip compression -- buffered beyond PAGE_SIZE slightly */
|
|
#define DUMP_DPC_PAGE_SIZE (PAGE_SIZE + 512)
|
|
|
|
/* dump ioctl() control options */
|
|
#define DIOSDUMPDEV 1 /* set the dump device */
|
|
#define DIOGDUMPDEV 2 /* get the dump device */
|
|
#define DIOSDUMPLEVEL 3 /* set the dump level */
|
|
#define DIOGDUMPLEVEL 4 /* get the dump level */
|
|
#define DIOSDUMPFLAGS 5 /* set the dump flag parameters */
|
|
#define DIOGDUMPFLAGS 6 /* get the dump flag parameters */
|
|
#define DIOSDUMPCOMPRESS 7 /* set the dump compress level */
|
|
#define DIOGDUMPCOMPRESS 8 /* get the dump compress level */
|
|
|
|
/* the major number used for the dumping device */
|
|
#ifndef DUMP_MAJOR
|
|
#define DUMP_MAJOR 227
|
|
#endif
|
|
|
|
/*
|
|
* Structure: dump_header_t
|
|
* Function: This is the header dumped at the top of every valid crash
|
|
* dump.
|
|
* easy reassembly of each crash dump page. The address bits
|
|
* are split to make things easier for 64-bit/32-bit system
|
|
* conversions.
|
|
*/
|
|
typedef struct _dump_header_s {
|
|
/* the dump magic number -- unique to verify dump is valid */
|
|
uint64_t dh_magic_number;
|
|
|
|
/* the version number of this dump */
|
|
uint32_t dh_version;
|
|
|
|
/* the size of this header (in case we can't read it) */
|
|
uint32_t dh_header_size;
|
|
|
|
/* the level of this dump (just a header?) */
|
|
uint32_t dh_dump_level;
|
|
|
|
/* the size of a Linux memory page (4K, 8K, 16K, etc.) */
|
|
uint32_t dh_page_size;
|
|
|
|
/* the size of all physical memory */
|
|
uint64_t dh_memory_size;
|
|
|
|
/* the start of physical memory */
|
|
uint64_t dh_memory_start;
|
|
|
|
/* the end of physical memory */
|
|
uint64_t dh_memory_end;
|
|
|
|
/* the number of pages in this dump specifically */
|
|
uint32_t dh_num_pages;
|
|
|
|
/* the panic string, if available */
|
|
char dh_panic_string[DUMP_PANIC_LEN];
|
|
|
|
/* timeval depends on architecture, two long values */
|
|
struct {
|
|
uint64_t tv_sec;
|
|
uint64_t tv_usec;
|
|
} dh_time; /* the time of the system crash */
|
|
|
|
/* the NEW utsname (uname) information -- in character form */
|
|
/* we do this so we don't have to include utsname.h */
|
|
/* plus it helps us be more architecture independent */
|
|
/* now maybe one day soon they'll make the [65] a #define! */
|
|
char dh_utsname_sysname[65];
|
|
char dh_utsname_nodename[65];
|
|
char dh_utsname_release[65];
|
|
char dh_utsname_version[65];
|
|
char dh_utsname_machine[65];
|
|
char dh_utsname_domainname[65];
|
|
|
|
/* the address of current task (OLD = task_struct *, NEW = void *) */
|
|
uint64_t dh_current_task;
|
|
|
|
/* what type of compression we're using in this dump (if any) */
|
|
uint32_t dh_dump_compress;
|
|
|
|
/* any additional flags */
|
|
uint32_t dh_dump_flags;
|
|
|
|
/* any additional flags */
|
|
uint32_t dh_dump_device;
|
|
|
|
} __attribute__((packed)) dump_header_t;
|
|
|
|
/*
|
|
* Structure: dump_page_t
|
|
* Function: To act as the header associated to each physical page of
|
|
* memory saved in the system crash dump. This allows for
|
|
* easy reassembly of each crash dump page. The address bits
|
|
* are split to make things easier for 64-bit/32-bit system
|
|
* conversions.
|
|
*/
|
|
typedef struct _dump_page_s {
|
|
|
|
/* the address of this dump page */
|
|
uint64_t dp_address;
|
|
|
|
/* the size of this dump page */
|
|
uint32_t dp_size;
|
|
|
|
/* flags (currently DUMP_COMPRESSED, DUMP_RAW or DUMP_END) */
|
|
uint32_t dp_flags;
|
|
} __attribute__((packed)) dump_page_t;
|
|
|
|
/*
|
|
* This structure contains information needed for the lkcdutils
|
|
* package (particularly lcrash) to determine what information is
|
|
* associated to this kernel, specifically.
|
|
*/
|
|
typedef struct lkcdinfo_s {
|
|
int arch;
|
|
int ptrsz;
|
|
int byte_order;
|
|
int linux_release;
|
|
int page_shift;
|
|
int page_size;
|
|
uint64_t page_mask;
|
|
uint64_t page_offset;
|
|
int stack_offset;
|
|
} lkcdinfo_t;
|
|
|
|
#define DUMP_ASM_MAGIC_NUMBER 0xdeaddeadULL /* magic number */
|
|
|
|
|
|
struct pt_regs {
|
|
/* The following registers are saved by SAVE_MIN: */
|
|
unsigned long b6; /* scratch */
|
|
unsigned long b7; /* scratch */
|
|
|
|
unsigned long ar_csd; /* used by cmp8xchg16 (scratch) */
|
|
unsigned long ar_ssd; /* reserved for future use (scratch) */
|
|
|
|
unsigned long r8; /* scratch (return value register 0) */
|
|
unsigned long r9; /* scratch (return value register 1) */
|
|
unsigned long r10; /* scratch (return value register 2) */
|
|
unsigned long r11; /* scratch (return value register 3) */
|
|
|
|
unsigned long cr_ipsr; /* interrupted task's psr */
|
|
unsigned long cr_iip; /* interrupted task's instruction pointer */
|
|
unsigned long cr_ifs; /* interrupted task's function state */
|
|
|
|
unsigned long ar_unat; /* interrupted task's NaT register (preserved) */
|
|
unsigned long ar_pfs; /* prev function state */
|
|
unsigned long ar_rsc; /* RSE configuration */
|
|
/* The following two are valid only if cr_ipsr.cpl > 0: */
|
|
unsigned long ar_rnat; /* RSE NaT */
|
|
unsigned long ar_bspstore; /* RSE bspstore */
|
|
|
|
unsigned long pr; /* 64 predicate registers (1 bit each) */
|
|
unsigned long b0; /* return pointer (bp) */
|
|
unsigned long loadrs; /* size of dirty partition << 16 */
|
|
|
|
unsigned long r1; /* the gp pointer */
|
|
unsigned long r12; /* interrupted task's memory stack pointer */
|
|
unsigned long r13; /* thread pointer */
|
|
|
|
unsigned long ar_fpsr; /* floating point status (preserved) */
|
|
unsigned long r15; /* scratch */
|
|
|
|
/* The remaining registers are NOT saved for system calls. */
|
|
|
|
unsigned long r14; /* scratch */
|
|
unsigned long r2; /* scratch */
|
|
unsigned long r3; /* scratch */
|
|
|
|
/* The following registers are saved by SAVE_REST: */
|
|
unsigned long r16; /* scratch */
|
|
unsigned long r17; /* scratch */
|
|
unsigned long r18; /* scratch */
|
|
unsigned long r19; /* scratch */
|
|
unsigned long r20; /* scratch */
|
|
unsigned long r21; /* scratch */
|
|
unsigned long r22; /* scratch */
|
|
unsigned long r23; /* scratch */
|
|
unsigned long r24; /* scratch */
|
|
unsigned long r25; /* scratch */
|
|
unsigned long r26; /* scratch */
|
|
unsigned long r27; /* scratch */
|
|
unsigned long r28; /* scratch */
|
|
unsigned long r29; /* scratch */
|
|
unsigned long r30; /* scratch */
|
|
unsigned long r31; /* scratch */
|
|
|
|
unsigned long ar_ccv; /* compare/exchange value (scratch) */
|
|
|
|
/*
|
|
* Floating point registers that the kernel considers scratch:
|
|
*/
|
|
struct ia64_fpreg f6; /* scratch */
|
|
struct ia64_fpreg f7; /* scratch */
|
|
struct ia64_fpreg f8; /* scratch */
|
|
struct ia64_fpreg f9; /* scratch */
|
|
struct ia64_fpreg f10; /* scratch */
|
|
struct ia64_fpreg f11; /* scratch */
|
|
};
|
|
|
|
|
|
|
|
/*
|
|
* Structure: dump_header_asm_t
|
|
* Function: This is the header for architecture-specific stuff. It
|
|
* follows right after the dump header.
|
|
*
|
|
*/
|
|
typedef struct _dump_header_asm_s {
|
|
|
|
/* the dump magic number -- unique to verify dump is valid */
|
|
uint64_t dha_magic_number;
|
|
|
|
/* the version number of this dump */
|
|
uint32_t dha_version;
|
|
|
|
/* the size of this header (in case we can't read it) */
|
|
uint32_t dha_header_size;
|
|
|
|
/* pointer to pt_regs */
|
|
// struct pt_regs *dha_pt_regs; // version 4 changed this
|
|
uint64_t dha_pt_regs;
|
|
|
|
/* the dump registers */
|
|
struct pt_regs dha_regs;
|
|
|
|
/* the rnat register saved after flushrs */
|
|
uint64_t dha_rnat;
|
|
|
|
/* the pfs register saved after flushrs */
|
|
uint64_t dha_pfs;
|
|
|
|
/* the bspstore register saved after flushrs */
|
|
uint64_t dha_bspstore;
|
|
|
|
/* smp specific */
|
|
uint32_t dha_smp_num_cpus;
|
|
uint32_t dha_dumping_cpu; // v4 changed this
|
|
struct pt_regs dha_smp_regs[NR_CPUS];
|
|
uint64_t dha_smp_current_task[NR_CPUS]; // v4 changed this
|
|
uint64_t dha_stack[NR_CPUS]; // v4 changed this
|
|
uint64_t dha_switch_stack[NR_CPUS]; // v4 changed this
|
|
|
|
} __attribute__((packed)) dump_header_asm_t;
|
|
|
|
#endif // IA64
|