common/include/sys/elf_core.h

   1 /*
   2  * This file mainly provides a definition of the structures used
   3  * to describe the notes section of an ELF file.
   4  *
   5  * It is the interface between MINIX core dump and GDB
   6  */
   7
   8 #ifndef _SYS_ELF_CORE_H_
   9 #define _SYS_ELF_CORE_H_
  10
  11 #include <sys/param.h>
  12 #include <machine/stackframe.h>
  13
  14 /* MINIX core file format:
  15  *
  16  * The core file is in ELF format. Besides the regular program segments,
  17  * it has a NOTE segment which contains two NOTE entries
  18  * - one containing a minix_elfcore_info_t and the other one containing
  19  * the general purpose registers (a stackframe_s structure)
  20  */
  21
  22 typedef struct stackframe_s gregset_t; /* General purpose registers */
  23
  24 /*
  25  * A lot more things should be added to these structures.  At present,
  26  * they contain the absolute bare minimum required to allow GDB to work
  27  * with MINIX ELF core dumps.
  28  */
  29
  30 #define ELF_NOTE_MINIX_ELFCORE_NAME     "MINIX-CORE"
  31 #define NT_MINIX_ELFCORE_INFO           1
  32 #define NT_MINIX_ELFCORE_GREGS          2
  33
  34 #define MINIX_ELFCORE_VERSION           1  /* Current version of minix_elfcore_info_t */
  35 #define RESERVED_SIZE                   5
  36
  37 typedef struct minix_elfcore_info {
  38   /* Version 1 fields */
  39   uint32_t      mei_version;            /* Version number of struct */
  40   uint32_t      mei_meisize;            /* sizeof(minix_elfcore_info_t) */
  41   uint32_t      mei_signo;              /* killing signal */
  42   int32_t       mei_pid;                /* Process ID */
  43   int8_t        mei_command[MAXCOMLEN]; /* Command */
  44   uint32_t      flags;                  /* Flags */
  45   int32_t       reserved[RESERVED_SIZE];/* Reserved space*/
  46   /* Put below version 2 fields */
  47 } minix_elfcore_info_t;
  48
  49 #endif /* _SYS_ELF_CORE_H_ */
  50