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

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Some ECOFF definitions.
   4 */
   5
   6#include <stdint.h>
   7
   8typedef struct filehdr {
   9        uint16_t        f_magic;        /* magic number */
  10        uint16_t        f_nscns;        /* number of sections */
  11        int32_t         f_timdat;       /* time & date stamp */
  12        int32_t         f_symptr;       /* file pointer to symbolic header */
  13        int32_t         f_nsyms;        /* sizeof(symbolic hdr) */
  14        uint16_t        f_opthdr;       /* sizeof(optional hdr) */
  15        uint16_t        f_flags;        /* flags */
  16} FILHDR;
  17#define FILHSZ  sizeof(FILHDR)
  18
  19#define MIPSEBMAGIC     0x160
  20#define MIPSELMAGIC     0x162
  21
  22typedef struct scnhdr {
  23        char            s_name[8];      /* section name */
  24        int32_t         s_paddr;        /* physical address, aliased s_nlib */
  25        int32_t         s_vaddr;        /* virtual address */
  26        int32_t         s_size;         /* section size */
  27        int32_t         s_scnptr;       /* file ptr to raw data for section */
  28        int32_t         s_relptr;       /* file ptr to relocation */
  29        int32_t         s_lnnoptr;      /* file ptr to gp histogram */
  30        uint16_t        s_nreloc;       /* number of relocation entries */
  31        uint16_t        s_nlnno;        /* number of gp histogram entries */
  32        int32_t         s_flags;        /* flags */
  33} SCNHDR;
  34#define SCNHSZ          sizeof(SCNHDR)
  35#define SCNROUND        ((int32_t)16)
  36
  37typedef struct aouthdr {
  38        int16_t magic;          /* see above                            */
  39        int16_t vstamp;         /* version stamp                        */
  40        int32_t tsize;          /* text size in bytes, padded to DW bdry*/
  41        int32_t dsize;          /* initialized data "  "                */
  42        int32_t bsize;          /* uninitialized data "   "             */
  43        int32_t entry;          /* entry pt.                            */
  44        int32_t text_start;     /* base of text used for this file      */
  45        int32_t data_start;     /* base of data used for this file      */
  46        int32_t bss_start;      /* base of bss used for this file       */
  47        int32_t gprmask;        /* general purpose register mask        */
  48        int32_t cprmask[4];     /* co-processor register masks          */
  49        int32_t gp_value;       /* the gp value used for this object    */
  50} AOUTHDR;
  51#define AOUTHSZ sizeof(AOUTHDR)
  52
  53#define OMAGIC          0407
  54#define NMAGIC          0410
  55#define ZMAGIC          0413
  56#define SMAGIC          0411
  57#define LIBMAGIC        0443
  58
  59#define N_TXTOFF(f, a) \
  60 ((a).magic == ZMAGIC || (a).magic == LIBMAGIC ? 0 : \
  61  ((a).vstamp < 23 ? \
  62   ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + 7) & 0xfffffff8) : \
  63   ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + SCNROUND-1) & ~(SCNROUND-1)) ) )
  64#define N_DATOFF(f, a) \
  65  N_TXTOFF(f, a) + (a).tsize;
  66