gprofng/src/info.h

   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