gcc/vmsdbg.h

   1 /* Definitions for the data structures and codes used in VMS debugging.
   2    Copyright (C) 2001-2020 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef GCC_VMSDBG_H
  21 #define GCC_VMSDBG_H 1
  22
  23 /*  We define types and constants used in VMS Debug output.  Note that the
  24     structs only approximate the output that is written.  We write the output
  25     explicitly, field by field.  This output would only agree with the
  26     structs in this file if no padding were done.  The sizes after each
  27     struct are the size actually written, which is usually smaller than the
  28     size of the struct.  */
  29
  30 /* Header type codes.  */
  31 typedef enum _DST_TYPE {DST_K_TBG = 0x17,
  32                         DST_K_SOURCE = 155, DST_K_PROLOG = 162,
  33                         DST_K_BLKBEG = 176, DST_K_BLKEND = 177,
  34                         DST_K_LINE_NUM = 185, DST_K_MODBEG = 188,
  35                         DST_K_MODEND = 189, DST_K_RTNBEG = 190,
  36                         DST_K_RTNEND = 191} DST_DTYPE;
  37
  38 /* Header.  */
  39
  40 typedef struct _DST_HEADER
  41 {
  42   union
  43     {
  44       unsigned short int dst_w_length;
  45       unsigned short int dst_x_length;
  46     } dst__header_length;
  47   union
  48     {
  49       ENUM_BITFIELD (_DST_TYPE) dst_w_type : 16;
  50       ENUM_BITFIELD (_DST_TYPE) dst_x_type : 16;
  51     } dst__header_type;
  52 } DST_HEADER;
  53 #define DST_K_DST_HEADER_SIZE sizeof 4
  54
  55 /* Language type codes.  */
  56 typedef enum _DST_LANGUAGE {DST_K_FORTRAN = 1, DST_K_C = 7, DST_K_ADA = 9,
  57                             DST_K_UNKNOWN = 10, DST_K_CXX = 15} DST_LANGUAGE;
  58
  59 /* Module header (a module is the result of a single compilation).  */
  60
  61 typedef struct _DST_MODULE_BEGIN
  62 {
  63   DST_HEADER dst_a_modbeg_header;
  64   struct
  65     {
  66       unsigned dst_v_modbeg_hide : 1;
  67       unsigned dst_v_modbeg_version : 1;
  68       unsigned dst_v_modbeg_unused : 6;
  69     } dst_b_modbeg_flags;
  70   unsigned char dst_b_modbeg_unused;
  71   DST_LANGUAGE dst_l_modbeg_language;
  72   unsigned short int dst_w_version_major;
  73   unsigned short int dst_w_version_minor;
  74   unsigned char dst_b_modbeg_name;
  75 } DST_MODULE_BEGIN;
  76 #define DST_K_MODBEG_SIZE 15
  77
  78 /* Module trailer.  */
  79
  80 typedef struct _DST_MB_TRLR
  81 {
  82   unsigned char dst_b_compiler;
  83 } DST_MB_TRLR;
  84
  85 #define DST_K_MB_TRLR_SIZE 1
  86
  87 #define DST_K_VERSION_MAJOR 1
  88 #define DST_K_VERSION_MINOR 13
  89
  90 typedef struct _DST_MODULE_END
  91 {
  92   DST_HEADER dst_a_modend_header;
  93 } DST_MODULE_END;
  94 #define DST_K_MODEND_SIZE sizeof 4
  95
  96 /* Routine header.  */
  97
  98 typedef struct _DST_ROUTINE_BEGIN
  99 {
 100   DST_HEADER dst_a_rtnbeg_header;
 101   struct
 102     {
 103       unsigned dst_v_rtnbeg_unused : 4;
 104       unsigned dst_v_rtnbeg_unalloc : 1;
 105       unsigned dst_v_rtnbeg_prototype : 1;
 106       unsigned dst_v_rtnbeg_inlined : 1;
 107       unsigned dst_v_rtnbeg_no_call : 1;
 108     } dst_b_rtnbeg_flags;
 109   int *dst_l_rtnbeg_address;
 110   int *dst_l_rtnbeg_pd_address;
 111   unsigned char dst_b_rtnbeg_name;
 112 } DST_ROUTINE_BEGIN;
 113 #define DST_K_RTNBEG_SIZE 14
 114
 115 /* Routine trailer */
 116
 117 typedef struct _DST_ROUTINE_END
 118 {
 119   DST_HEADER dst_a_rtnend_header;
 120   char dst_b_rtnend_unused;
 121   unsigned int dst_l_rtnend_size;
 122 } DST_ROUTINE_END;
 123 #define DST_K_RTNEND_SIZE 9
 124
 125 /* Block header.  */
 126
 127 typedef struct _DST_BLOCK_BEGIN
 128 {
 129   DST_HEADER dst_a_blkbeg_header;
 130   unsigned char dst_b_blkbeg_unused;
 131   int *dst_l_blkbeg_address;
 132   unsigned char dst_b_blkbeg_name;
 133 } DST_BLOCK_BEGIN;
 134 #define DST_K_BLKBEG_SIZE 10
 135
 136 /* Block trailer.  */
 137
 138 typedef struct _DST_BLOCK_END
 139 {
 140   DST_HEADER dst_a_blkend_header;
 141   unsigned char dst_b_blkend_unused;
 142   unsigned int dst_l_blkend_size;
 143 } DST_BLOCK_END;
 144 #define DST_K_BLKEND_SIZE 9
 145
 146 /* Line number header.  */
 147
 148 typedef struct _DST_LINE_NUM_HEADER
 149 {
 150   DST_HEADER dst_a_line_num_header;
 151 } DST_LINE_NUM_HEADER;
 152 #define DST_K_LINE_NUM_HEADER_SIZE 4
 153
 154 /* PC to Line number correlation.  */
 155
 156 typedef struct _DST_PCLINE_COMMANDS
 157 {
 158   char dst_b_pcline_command;
 159   union
 160     {
 161       unsigned int dst_l_pcline_unslong;
 162       unsigned short int dst_w_pcline_unsword;
 163       unsigned char dst_b_pcline_unsbyte;
 164     } dst_a_pcline_access_fields;
 165 } DST_PCLINE_COMMANDS;
 166
 167 /* PC and Line number correlation codes.  */
 168
 169 #define DST_K_PCLINE_COMMANDS_SIZE 5
 170 #define DST_K_PCLINE_COMMANDS_SIZE_MIN 2
 171 #define DST_K_PCLINE_COMMANDS_SIZE_MAX 5
 172 #define DST_K_DELTA_PC_LOW -128
 173 #define DST_K_DELTA_PC_HIGH 0
 174 #define DST_K_DELTA_PC_W 1
 175 #define DST_K_INCR_LINUM 2
 176 #define DST_K_INCR_LINUM_W 3
 177 #define DST_K_SET_LINUM 9
 178 #define DST_K_SET_ABS_PC 16
 179 #define DST_K_DELTA_PC_L 17
 180 #define DST_K_INCR_LINUM_L 18
 181 #define DST_K_SET_LINUM_B 19
 182 #define DST_K_SET_LINUM_L 20
 183
 184 /* Source file correlation header.  */
 185
 186 typedef struct _DST_SOURCE_CORR
 187 {
 188   DST_HEADER dst_a_source_corr_header;
 189 } DST_SOURCE_CORR;
 190 #define DST_K_SOURCE_CORR_HEADER_SIZE 4
 191
 192 /* Source file correlation codes.  */
 193
 194 #define DST_K_SRC_DECLFILE 1
 195 #define DST_K_SRC_SETFILE 2
 196 #define DST_K_SRC_SETREC_L 3
 197 #define DST_K_SRC_SETREC_W 4
 198 #define DST_K_SRC_SETLNUM_L 5
 199 #define DST_K_SRC_SETLNUM_W 6
 200 #define DST_K_SRC_INCRLNUM_B 7
 201 #define DST_K_SRC_DEFLINES_W 10
 202 #define DST_K_SRC_DEFLINES_B 11
 203 #define DST_K_SRC_FORMFEED 16
 204 #define DST_K_SRC_MIN_CMD 1
 205 #define DST_K_SRC_MAX_CMD 16
 206
 207 /* Source file header.  */
 208
 209 typedef struct _DST_SRC_COMMAND
 210 {
 211   unsigned char dst_b_src_command;
 212   union
 213     {
 214       struct
 215         {
 216           unsigned char dst_b_src_df_length;
 217           unsigned char dst_b_src_df_flags;
 218           unsigned short int dst_w_src_df_fileid;
 219           int64_t dst_q_src_df_rms_cdt;
 220           unsigned int dst_l_src_df_rms_ebk;
 221           unsigned short int dst_w_src_df_rms_ffb;
 222           unsigned char dst_b_src_df_rms_rfo;
 223           unsigned char dst_b_src_df_filename;
 224         } dst_a_src_decl_src;
 225       unsigned int dst_l_src_unslong;
 226       unsigned short int dst_w_src_unsword;
 227       unsigned char dst_b_src_unsbyte;
 228     } dst_a_src_cmd_fields;
 229 } DST_SRC_COMMAND;
 230 #define DST_K_SRC_COMMAND_SIZE 21
 231
 232 /* Source file trailer.  */
 233
 234 typedef struct _DST_SRC_CMDTRLR
 235 {
 236   unsigned char dst_b_src_df_libmodname;
 237 } DST_SRC_CMDTRLR;
 238 #define DST_K_SRC_CMDTRLR_SIZE 1
 239
 240 /* Prolog header.  */
 241
 242 typedef struct _DST_PROLOG
 243 {
 244   DST_HEADER dst_a_prolog_header;
 245   unsigned int dst_l_prolog_bkpt_addr;
 246 } DST_PROLOG;
 247 #define DST_K_PROLOG_SIZE 8
 248
 249 #endif /* GCC_VMSDBG_H */