1  /* Copyright (C) 2021-2023 Free Software Foundation, Inc.
       2     Contributed by Oracle.
       3  
       4     This file is part of GNU Binutils.
       5  
       6     This program is free software; you can redistribute it and/or modify
       7     it under the terms of the GNU General Public License as published by
       8     the Free Software Foundation; either version 3, or (at your option)
       9     any later version.
      10  
      11     This program is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14     GNU General Public License for more details.
      15  
      16     You should have received a copy of the GNU General Public License
      17     along with this program; if not, write to the Free Software
      18     Foundation, 51 Franklin Street - Fifth Floor, Boston,
      19     MA 02110-1301, USA.  */
      20  
      21  #ifndef _INFO_H
      22  #define _INFO_H
      23  
      24  /* Header file for .info section format */
      25  #include <inttypes.h>
      26  
      27  /* The format of the .info section from a single object file is:
      28   * Fixed-length info_header
      29   * Variable length string padded to a multiple of 4 bytes, giving
      30   *  the name of the source file from which this contribution comes.
      31   * Zero or more entries.
      32   *
      33   * In an executable, there will be multiple occurrences of the above.
      34   * The size of the info section will be a multiple of 4 bytes.
      35   */
      36  
      37  struct info_header
      38  {
      39    char endian;      /* 0 for big, 1 for little */
      40    char magic[3];    /* The string "SUN" */
      41    uint32_t cnt;     /* number of entries for this section */
      42    uint16_t len;     /* The length of the header, including the string */
      43    uint16_t version; /* The version number of this block */
      44    uint16_t phase;   /* The compiler phase that produced this info */
      45    uint16_t spare;
      46  };
      47  
      48  #define PHASE_UNKNOWN       0
      49  #define PHASE_F77           1
      50  #define PHASE_CC            2
      51  #define PHASE_CPLUS         3
      52  #define PHASE_F95           4
      53  #define PHASE_IROPT         5
      54  #define PHASE_MAX           255
      55  #define F95_COPYINOUT       ((PHASE_F95 << 24) | 1)
      56  
      57  /* An entry consists of a fixed-size struct entry, possibly followed by
      58   * a variable length data structure whose format is determined by the
      59   * type of an entry. The size of an entry is a multiple of 4 bytes.
      60   */
      61  
      62  struct entry_header
      63  {
      64    uint32_t type;    /* The type of this entry. High 8 bits is the phase.
      65  		     * Low 24 bits is the type. */
      66    uint16_t len;     /* length of this entry */
      67    uint16_t col;     /* Column number in source line */
      68    uint32_t msgnum;  /* Message number. High 8 bits is the phase.
      69  		     * Low 24 bits is the type. */
      70    uint32_t line;    /* Line number in source file */
      71  };
      72  
      73  #endif