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1 /* Definitions for the data structures and codes used in VMS debugging.
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2 Copyright (C) 2001, 2007 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License as published by the Free
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8 Software Foundation; either version 3, or (at your option) any later
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9 version.
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10
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11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #ifndef GCC_VMSDBG_H
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21 #define GCC_VMSDBG_H 1
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22
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23 /* We define types and constants used in VMS Debug output. Note that the
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24 structs only approximate the output that is written. We write the output
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25 explicitly, field by field. This output would only agree with the
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26 structs in this file if no padding were done. The sizes after each
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27 struct are the size actually written, which is usually smaller than the
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28 size of the struct. */
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29
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30 /* Header type codes. */
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31 typedef enum _DST_TYPE {DST_K_SOURCE = 155, DST_K_PROLOG = 162,
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32 DST_K_BLKBEG = 176, DST_K_BLKEND = 177,
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33 DST_K_LINE_NUM = 185, DST_K_MODBEG = 188,
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34 DST_K_MODEND = 189, DST_K_RTNBEG = 190,
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35 DST_K_RTNEND = 191} DST_DTYPE;
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36
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37 /* Header. */
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38
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39 typedef struct _DST_HEADER
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40 {
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41 union
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42 {
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43 unsigned short int dst_w_length;
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44 unsigned short int dst_x_length;
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45 } dst__header_length;
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46 union
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47 {
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48 ENUM_BITFIELD (_DST_TYPE) dst_w_type : 16;
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49 ENUM_BITFIELD (_DST_TYPE) dst_x_type : 16;
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50 } dst__header_type;
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51 } DST_HEADER;
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52 #define DST_K_DST_HEADER_SIZE sizeof 4
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53
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54 /* Language type codes. */
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55 typedef enum _DST_LANGUAGE {DST_K_FORTRAN = 1, DST_K_C = 7, DST_K_ADA = 9,
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56 DST_K_UNKNOWN = 10, DST_K_CXX = 15} DST_LANGUAGE;
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57
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58 /* Module header (a module is the result of a single compilation). */
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59
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60 typedef struct _DST_MODULE_BEGIN
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61 {
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62 DST_HEADER dst_a_modbeg_header;
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63 struct
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64 {
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65 unsigned dst_v_modbeg_hide : 1;
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66 unsigned dst_v_modbeg_version : 1;
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67 unsigned dst_v_modbeg_unused : 6;
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68 } dst_b_modbeg_flags;
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69 unsigned char dst_b_modbeg_unused;
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70 DST_LANGUAGE dst_l_modbeg_language;
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71 unsigned short int dst_w_version_major;
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72 unsigned short int dst_w_version_minor;
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73 unsigned char dst_b_modbeg_name;
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74 } DST_MODULE_BEGIN;
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75 #define DST_K_MODBEG_SIZE 15
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76
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77 /* Module trailer. */
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78
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79 typedef struct _DST_MB_TRLR
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80 {
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81 unsigned char dst_b_compiler;
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82 } DST_MB_TRLR;
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83
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84 #define DST_K_MB_TRLR_SIZE 1
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85
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86 #define DST_K_VERSION_MAJOR 1
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87 #define DST_K_VERSION_MINOR 13
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88
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89 typedef struct _DST_MODULE_END
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90 {
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91 DST_HEADER dst_a_modend_header;
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92 } DST_MODULE_END;
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93 #define DST_K_MODEND_SIZE sizeof 4
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94
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95 /* Routine header. */
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96
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97 typedef struct _DST_ROUTINE_BEGIN
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98 {
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99 DST_HEADER dst_a_rtnbeg_header;
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100 struct
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101 {
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102 unsigned dst_v_rtnbeg_unused : 4;
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103 unsigned dst_v_rtnbeg_unalloc : 1;
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104 unsigned dst_v_rtnbeg_prototype : 1;
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105 unsigned dst_v_rtnbeg_inlined : 1;
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106 unsigned dst_v_rtnbeg_no_call : 1;
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107 } dst_b_rtnbeg_flags;
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108 int *dst_l_rtnbeg_address;
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109 int *dst_l_rtnbeg_pd_address;
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110 unsigned char dst_b_rtnbeg_name;
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111 } DST_ROUTINE_BEGIN;
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112 #define DST_K_RTNBEG_SIZE 14
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113
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114 /* Routine trailer */
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115
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116 typedef struct _DST_ROUTINE_END
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117 {
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118 DST_HEADER dst_a_rtnend_header;
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119 char dst_b_rtnend_unused;
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120 unsigned int dst_l_rtnend_size;
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121 } DST_ROUTINE_END;
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122 #define DST_K_RTNEND_SIZE 9
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123
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124 /* Block header. */
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125
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126 typedef struct _DST_BLOCK_BEGIN
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127 {
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128 DST_HEADER dst_a_blkbeg_header;
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129 unsigned char dst_b_blkbeg_unused;
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130 int *dst_l_blkbeg_address;
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131 unsigned char dst_b_blkbeg_name;
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132 } DST_BLOCK_BEGIN;
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133 #define DST_K_BLKBEG_SIZE 10
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134
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135 /* Block trailer. */
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136
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137 typedef struct _DST_BLOCK_END
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138 {
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139 DST_HEADER dst_a_blkend_header;
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140 unsigned char dst_b_blkend_unused;
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141 unsigned int dst_l_blkend_size;
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142 } DST_BLOCK_END;
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143 #define DST_K_BLKEND_SIZE 9
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144
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145 /* Line number header. */
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146
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147 typedef struct _DST_LINE_NUM_HEADER
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148 {
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149 DST_HEADER dst_a_line_num_header;
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150 } DST_LINE_NUM_HEADER;
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151 #define DST_K_LINE_NUM_HEADER_SIZE 4
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152
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153 /* PC to Line number correlation. */
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154
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155 typedef struct _DST_PCLINE_COMMANDS
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156 {
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157 char dst_b_pcline_command;
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158 union
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159 {
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160 unsigned int dst_l_pcline_unslong;
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161 unsigned short int dst_w_pcline_unsword;
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162 unsigned char dst_b_pcline_unsbyte;
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163 } dst_a_pcline_access_fields;
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164 } DST_PCLINE_COMMANDS;
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165
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166 /* PC and Line number correlation codes. */
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167
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168 #define DST_K_PCLINE_COMMANDS_SIZE 5
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169 #define DST_K_PCLINE_COMMANDS_SIZE_MIN 2
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170 #define DST_K_PCLINE_COMMANDS_SIZE_MAX 5
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171 #define DST_K_DELTA_PC_LOW -128
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172 #define DST_K_DELTA_PC_HIGH 0
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173 #define DST_K_DELTA_PC_W 1
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174 #define DST_K_INCR_LINUM 2
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175 #define DST_K_INCR_LINUM_W 3
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176 #define DST_K_SET_LINUM 9
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177 #define DST_K_SET_ABS_PC 16
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178 #define DST_K_DELTA_PC_L 17
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179 #define DST_K_INCR_LINUM_L 18
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180 #define DST_K_SET_LINUM_B 19
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181 #define DST_K_SET_LINUM_L 20
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182
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183 /* Source file correlation header. */
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184
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185 typedef struct _DST_SOURCE_CORR
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186 {
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187 DST_HEADER dst_a_source_corr_header;
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188 } DST_SOURCE_CORR;
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189 #define DST_K_SOURCE_CORR_HEADER_SIZE 4
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190
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191 /* Source file correlation codes. */
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192
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193 #define DST_K_SRC_DECLFILE 1
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194 #define DST_K_SRC_SETFILE 2
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195 #define DST_K_SRC_SETREC_L 3
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196 #define DST_K_SRC_SETREC_W 4
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197 #define DST_K_SRC_SETLNUM_L 5
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198 #define DST_K_SRC_SETLNUM_W 6
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199 #define DST_K_SRC_INCRLNUM_B 7
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200 #define DST_K_SRC_DEFLINES_W 10
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201 #define DST_K_SRC_DEFLINES_B 11
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202 #define DST_K_SRC_FORMFEED 16
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203 #define DST_K_SRC_MIN_CMD 1
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204 #define DST_K_SRC_MAX_CMD 16
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205
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206 /* Source file header. */
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207
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208 typedef struct _DST_SRC_COMMAND
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209 {
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210 unsigned char dst_b_src_command;
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211 union
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212 {
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213 struct
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214 {
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215 unsigned char dst_b_src_df_length;
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216 unsigned char dst_b_src_df_flags;
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217 unsigned short int dst_w_src_df_fileid;
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218 #ifdef HAVE_LONG_LONG
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219 long long dst_q_src_df_rms_cdt;
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220 #else
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221 #ifdef HAVE___INT64
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222 __int64 dst_q_src_df_rms_cdt;
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223 #endif
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224 #endif
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225 unsigned int dst_l_src_df_rms_ebk;
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226 unsigned short int dst_w_src_df_rms_ffb;
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227 unsigned char dst_b_src_df_rms_rfo;
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228 unsigned char dst_b_src_df_filename;
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229 } dst_a_src_decl_src;
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230 unsigned int dst_l_src_unslong;
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231 unsigned short int dst_w_src_unsword;
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232 unsigned char dst_b_src_unsbyte;
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233 } dst_a_src_cmd_fields;
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234 } DST_SRC_COMMAND;
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235 #define DST_K_SRC_COMMAND_SIZE 21
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236
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237 /* Source file trailer. */
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238
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239 typedef struct _DST_SRC_CMDTRLR
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240 {
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241 unsigned char dst_b_src_df_libmodname;
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242 } DST_SRC_CMDTRLR;
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243 #define DST_K_SRC_CMDTRLR_SIZE 1
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244
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245 /* Prolog header. */
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246
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247 typedef struct _DST_PROLOG
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248 {
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249 DST_HEADER dst_a_prolog_header;
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250 unsigned int dst_l_prolog_bkpt_addr;
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251 } DST_PROLOG;
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252 #define DST_K_PROLOG_SIZE 8
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253
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254 #endif /* GCC_VMSDBG_H */
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