LXR linux/arch/mips/boot/ecoff.h

   1/*
   2 * Some ECOFF definitions.
   3 */
   4typedef struct filehdr {
   5        unsigned short  f_magic;        /* magic number */
   6        unsigned short  f_nscns;        /* number of sections */
   7        long            f_timdat;       /* time & date stamp */
   8        long            f_symptr;       /* file pointer to symbolic header */
   9        long            f_nsyms;        /* sizeof(symbolic hdr) */
  10        unsigned short  f_opthdr;       /* sizeof(optional hdr) */
  11        unsigned short  f_flags;        /* flags */
  12} FILHDR;
  13#define FILHSZ  sizeof(FILHDR)
  14
  15#define MIPSEBMAGIC     0x160
  16#define MIPSELMAGIC     0x162
  17
  18typedef struct scnhdr {
  19        char            s_name[8];      /* section name */
  20        long            s_paddr;        /* physical address, aliased s_nlib */
  21        long            s_vaddr;        /* virtual address */
  22        long            s_size;         /* section size */
  23        long            s_scnptr;       /* file ptr to raw data for section */
  24        long            s_relptr;       /* file ptr to relocation */
  25        long            s_lnnoptr;      /* file ptr to gp histogram */
  26        unsigned short  s_nreloc;       /* number of relocation entries */
  27        unsigned short  s_nlnno;        /* number of gp histogram entries */
  28        long            s_flags;        /* flags */
  29} SCNHDR;
  30#define SCNHSZ          sizeof(SCNHDR)
  31#define SCNROUND        ((long)16)
  32
  33typedef struct aouthdr {
  34        short   magic;          /* see above                            */
  35        short   vstamp;         /* version stamp                        */
  36        long    tsize;          /* text size in bytes, padded to DW bdry*/
  37        long    dsize;          /* initialized data "  "                */
  38        long    bsize;          /* uninitialized data "   "             */
  39        long    entry;          /* entry pt.                            */
  40        long    text_start;     /* base of text used for this file      */
  41        long    data_start;     /* base of data used for this file      */
  42        long    bss_start;      /* base of bss used for this file       */
  43        long    gprmask;        /* general purpose register mask        */
  44        long    cprmask[4];     /* co-processor register masks          */
  45        long    gp_value;       /* the gp value used for this object    */
  46} AOUTHDR;
  47#define AOUTHSZ sizeof(AOUTHDR)
  48
  49#define OMAGIC          0407
  50#define NMAGIC          0410
  51#define ZMAGIC          0413
  52#define SMAGIC          0411
  53#define LIBMAGIC        0443
  54
  55#define N_TXTOFF(f, a) \
  56 ((a).magic == ZMAGIC || (a).magic == LIBMAGIC ? 0 : \
  57  ((a).vstamp < 23 ? \
  58   ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + 7) & 0xfffffff8) : \
  59   ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + SCNROUND-1) & ~(SCNROUND-1)) ) )
  60#define N_DATOFF(f, a) \
  61  N_TXTOFF(f, a) + (a).tsize;
  62