gcc/vmsdbg.h

   1 /* Definitions for the data structures and codes used in VMS debugging.
   2    Copyright (C) 2001, 2007 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_SOURCE = 155, DST_K_PROLOG = 162,
  32                         DST_K_BLKBEG = 176, DST_K_BLKEND = 177,
  33                         DST_K_LINE_NUM = 185, DST_K_MODBEG = 188,
  34                         DST_K_MODEND = 189, DST_K_RTNBEG = 190,
  35                         DST_K_RTNEND = 191} DST_DTYPE;
  36
  37 /* Header.  */
  38
  39 typedef struct _DST_HEADER
  40 {
  41   union
  42     {
  43       unsigned short int dst_w_length;
  44       unsigned short int dst_x_length;
  45     } dst__header_length;
  46   union
  47     {
  48       ENUM_BITFIELD (_DST_TYPE) dst_w_type : 16;
  49       ENUM_BITFIELD (_DST_TYPE) dst_x_type : 16;
  50     } dst__header_type;
  51 } DST_HEADER;
  52 #define DST_K_DST_HEADER_SIZE sizeof 4
  53
  54 /* Language type codes.  */
  55 typedef enum _DST_LANGUAGE {DST_K_FORTRAN = 1, DST_K_C = 7, DST_K_ADA = 9,
  56                             DST_K_UNKNOWN = 10, DST_K_CXX = 15} DST_LANGUAGE;
  57
  58 /* Module header (a module is the result of a single compilation).  */
  59
  60 typedef struct _DST_MODULE_BEGIN
  61 {
  62   DST_HEADER dst_a_modbeg_header;
  63   struct
  64     {
  65       unsigned dst_v_modbeg_hide : 1;
  66       unsigned dst_v_modbeg_version : 1;
  67       unsigned dst_v_modbeg_unused : 6;
  68     } dst_b_modbeg_flags;
  69   unsigned char dst_b_modbeg_unused;
  70   DST_LANGUAGE dst_l_modbeg_language;
  71   unsigned short int dst_w_version_major;
  72   unsigned short int dst_w_version_minor;
  73   unsigned char dst_b_modbeg_name;
  74 } DST_MODULE_BEGIN;
  75 #define DST_K_MODBEG_SIZE 15
  76
  77 /* Module trailer.  */
  78
  79 typedef struct _DST_MB_TRLR
  80 {
  81   unsigned char dst_b_compiler;
  82 } DST_MB_TRLR;
  83
  84 #define DST_K_MB_TRLR_SIZE 1
  85
  86 #define DST_K_VERSION_MAJOR 1
  87 #define DST_K_VERSION_MINOR 13
  88
  89 typedef struct _DST_MODULE_END
  90 {
  91   DST_HEADER dst_a_modend_header;
  92 } DST_MODULE_END;
  93 #define DST_K_MODEND_SIZE sizeof 4
  94
  95 /* Routine header.  */
  96
  97 typedef struct _DST_ROUTINE_BEGIN
  98 {
  99   DST_HEADER dst_a_rtnbeg_header;
 100   struct
 101     {
 102       unsigned dst_v_rtnbeg_unused : 4;
 103       unsigned dst_v_rtnbeg_unalloc : 1;
 104       unsigned dst_v_rtnbeg_prototype : 1;
 105       unsigned dst_v_rtnbeg_inlined : 1;
 106       unsigned dst_v_rtnbeg_no_call : 1;
 107     } dst_b_rtnbeg_flags;
 108   int *dst_l_rtnbeg_address;
 109   int *dst_l_rtnbeg_pd_address;
 110   unsigned char dst_b_rtnbeg_name;
 111 } DST_ROUTINE_BEGIN;
 112 #define DST_K_RTNBEG_SIZE 14
 113
 114 /* Routine trailer */
 115
 116 typedef struct _DST_ROUTINE_END
 117 {
 118   DST_HEADER dst_a_rtnend_header;
 119   char dst_b_rtnend_unused;
 120   unsigned int dst_l_rtnend_size;
 121 } DST_ROUTINE_END;
 122 #define DST_K_RTNEND_SIZE 9
 123
 124 /* Block header.  */
 125
 126 typedef struct _DST_BLOCK_BEGIN
 127 {
 128   DST_HEADER dst_a_blkbeg_header;
 129   unsigned char dst_b_blkbeg_unused;
 130   int *dst_l_blkbeg_address;
 131   unsigned char dst_b_blkbeg_name;
 132 } DST_BLOCK_BEGIN;
 133 #define DST_K_BLKBEG_SIZE 10
 134
 135 /* Block trailer.  */
 136
 137 typedef struct _DST_BLOCK_END
 138 {
 139   DST_HEADER dst_a_blkend_header;
 140   unsigned char dst_b_blkend_unused;
 141   unsigned int dst_l_blkend_size;
 142 } DST_BLOCK_END;
 143 #define DST_K_BLKEND_SIZE 9
 144
 145 /* Line number header.  */
 146
 147 typedef struct _DST_LINE_NUM_HEADER
 148 {
 149   DST_HEADER dst_a_line_num_header;
 150 } DST_LINE_NUM_HEADER;
 151 #define DST_K_LINE_NUM_HEADER_SIZE 4
 152
 153 /* PC to Line number correlation.  */
 154
 155 typedef struct _DST_PCLINE_COMMANDS
 156 {
 157   char dst_b_pcline_command;
 158   union
 159     {
 160       unsigned int dst_l_pcline_unslong;
 161       unsigned short int dst_w_pcline_unsword;
 162       unsigned char dst_b_pcline_unsbyte;
 163     } dst_a_pcline_access_fields;
 164 } DST_PCLINE_COMMANDS;
 165
 166 /* PC and Line number correlation codes.  */
 167
 168 #define DST_K_PCLINE_COMMANDS_SIZE 5
 169 #define DST_K_PCLINE_COMMANDS_SIZE_MIN 2
 170 #define DST_K_PCLINE_COMMANDS_SIZE_MAX 5
 171 #define DST_K_DELTA_PC_LOW -128
 172 #define DST_K_DELTA_PC_HIGH 0
 173 #define DST_K_DELTA_PC_W 1
 174 #define DST_K_INCR_LINUM 2
 175 #define DST_K_INCR_LINUM_W 3
 176 #define DST_K_SET_LINUM 9
 177 #define DST_K_SET_ABS_PC 16
 178 #define DST_K_DELTA_PC_L 17
 179 #define DST_K_INCR_LINUM_L 18
 180 #define DST_K_SET_LINUM_B 19
 181 #define DST_K_SET_LINUM_L 20
 182
 183 /* Source file correlation header.  */
 184
 185 typedef struct _DST_SOURCE_CORR
 186 {
 187   DST_HEADER dst_a_source_corr_header;
 188 } DST_SOURCE_CORR;
 189 #define DST_K_SOURCE_CORR_HEADER_SIZE 4
 190
 191 /* Source file correlation codes.  */
 192
 193 #define DST_K_SRC_DECLFILE 1
 194 #define DST_K_SRC_SETFILE 2
 195 #define DST_K_SRC_SETREC_L 3
 196 #define DST_K_SRC_SETREC_W 4
 197 #define DST_K_SRC_SETLNUM_L 5
 198 #define DST_K_SRC_SETLNUM_W 6
 199 #define DST_K_SRC_INCRLNUM_B 7
 200 #define DST_K_SRC_DEFLINES_W 10
 201 #define DST_K_SRC_DEFLINES_B 11
 202 #define DST_K_SRC_FORMFEED 16
 203 #define DST_K_SRC_MIN_CMD 1
 204 #define DST_K_SRC_MAX_CMD 16
 205
 206 /* Source file header.  */
 207
 208 typedef struct _DST_SRC_COMMAND
 209 {
 210   unsigned char dst_b_src_command;
 211   union
 212     {
 213       struct
 214         {
 215           unsigned char dst_b_src_df_length;
 216           unsigned char dst_b_src_df_flags;
 217           unsigned short int dst_w_src_df_fileid;
 218 #ifdef HAVE_LONG_LONG
 219           long long dst_q_src_df_rms_cdt;
 220 #else
 221 #ifdef HAVE___INT64
 222           __int64 dst_q_src_df_rms_cdt;
 223 #endif
 224 #endif
 225           unsigned int dst_l_src_df_rms_ebk;
 226           unsigned short int dst_w_src_df_rms_ffb;
 227           unsigned char dst_b_src_df_rms_rfo;
 228           unsigned char dst_b_src_df_filename;
 229         } dst_a_src_decl_src;
 230       unsigned int dst_l_src_unslong;
 231       unsigned short int dst_w_src_unsword;
 232       unsigned char dst_b_src_unsbyte;
 233     } dst_a_src_cmd_fields;
 234 } DST_SRC_COMMAND;
 235 #define DST_K_SRC_COMMAND_SIZE 21
 236
 237 /* Source file trailer.  */
 238
 239 typedef struct _DST_SRC_CMDTRLR
 240 {
 241   unsigned char dst_b_src_df_libmodname;
 242 } DST_SRC_CMDTRLR;
 243 #define DST_K_SRC_CMDTRLR_SIZE 1
 244
 245 /* Prolog header.  */
 246
 247 typedef struct _DST_PROLOG
 248 {
 249   DST_HEADER dst_a_prolog_header;
 250   unsigned int dst_l_prolog_bkpt_addr;
 251 } DST_PROLOG;
 252 #define DST_K_PROLOG_SIZE 8
 253
 254 #endif /* GCC_VMSDBG_H */