1 | /* Read and manage MIPS symbol tables from object modules. |
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2 | Copyright (C) 1991, 1994, 1995 Free Software Foundation, Inc. |
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3 | Contributed by hartzell@boulder.colorado.edu, |
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4 | Rewritten by meissner@osf.org. |
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5 | |
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6 | This file is part of GNU CC. |
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7 | |
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8 | GNU CC is free software; you can redistribute it and/or modify |
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9 | it under the terms of the GNU General Public License as published by |
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10 | the Free Software Foundation; either version 2, or (at your option) |
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11 | any later version. |
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12 | |
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13 | GNU CC is distributed in the hope that it will be useful, |
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14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | GNU General Public License for more details. |
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17 | |
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18 | You should have received a copy of the GNU General Public License |
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19 | along with GNU CC; see the file COPYING. If not, write to |
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20 | the Free Software Foundation, 59 Temple Place - Suite 330, |
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21 | Boston, MA 02111-1307, USA. */ |
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22 | |
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23 | #include <stdio.h> |
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24 | #include <sys/types.h> |
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25 | #include <sys/file.h> |
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26 | #include <time.h> |
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27 | #include <fcntl.h> |
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28 | #include <errno.h> |
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29 | #include "config.h" |
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30 | |
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31 | #ifdef index |
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32 | #undef index |
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33 | #undef rindex |
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34 | #endif |
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35 | #ifndef CROSS_COMPILE |
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36 | #include <a.out.h> |
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37 | #else |
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38 | #include "mips/a.out.h" |
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39 | #endif /* CROSS_COMPILE */ |
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40 | |
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41 | #ifndef MIPS_IS_STAB |
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42 | /* Macros for mips-tfile.c to encapsulate stabs in ECOFF, and for |
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43 | and mips-tdump.c to print them out. This is used on the Alpha, |
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44 | which does not include mips.h. |
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45 | |
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46 | These must match the corresponding definitions in gdb/mipsread.c. |
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47 | Unfortunately, gcc and gdb do not currently share any directories. */ |
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48 | |
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49 | #define CODE_MASK 0x8F300 |
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50 | #define MIPS_IS_STAB(sym) (((sym)->index & 0xFFF00) == CODE_MASK) |
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51 | #define MIPS_MARK_STAB(code) ((code)+CODE_MASK) |
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52 | #define MIPS_UNMARK_STAB(code) ((code)-CODE_MASK) |
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53 | #endif |
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54 | |
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55 | #ifdef __STDC__ |
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56 | typedef void *PTR_T; |
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57 | typedef const void *CPTR_T; |
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58 | #define __proto(x) x |
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59 | #else |
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60 | |
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61 | #if defined(_STDIO_H_) || defined(__STDIO_H__) /* Ultrix 4.0, SGI */ |
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62 | typedef void *PTR_T; |
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63 | typedef void *CPTR_T; |
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64 | |
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65 | #else |
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66 | typedef char *PTR_T; /* Ultrix 3.1 */ |
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67 | typedef char *CPTR_T; |
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68 | #endif |
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69 | |
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70 | #define __proto(x) () |
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71 | #define const |
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72 | #endif |
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73 | |
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74 | #define uchar unsigned char |
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75 | #define ushort unsigned short |
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76 | #define uint unsigned int |
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77 | #define ulong unsigned long |
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78 | |
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79 | |
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80 | /* Do to size_t being defined in sys/types.h and different |
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81 | in stddef.h, we have to do this by hand..... Note, these |
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82 | types are correct for MIPS based systems, and may not be |
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83 | correct for other systems. */ |
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84 | |
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85 | #define size_t uint |
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86 | #define ptrdiff_t int |
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87 | |
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88 | |
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89 | /* Redefinition of of storage classes as an enumeration for better |
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90 | debugging. */ |
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91 | |
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92 | #ifndef stStaParam |
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93 | #define stStaParam 16 /* Fortran static parameters */ |
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94 | #endif |
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95 | |
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96 | #ifndef btVoid |
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97 | #define btVoid 26 /* void basic type */ |
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98 | #endif |
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99 | |
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100 | typedef enum sc { |
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101 | sc_Nil = scNil, /* no storage class */ |
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102 | sc_Text = scText, /* text symbol */ |
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103 | sc_Data = scData, /* initialized data symbol */ |
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104 | sc_Bss = scBss, /* un-initialized data symbol */ |
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105 | sc_Register = scRegister, /* value of symbol is register number */ |
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106 | sc_Abs = scAbs, /* value of symbol is absolute */ |
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107 | sc_Undefined = scUndefined, /* who knows? */ |
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108 | sc_CdbLocal = scCdbLocal, /* variable's value is IN se->va.?? */ |
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109 | sc_Bits = scBits, /* this is a bit field */ |
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110 | sc_CdbSystem = scCdbSystem, /* var's value is IN CDB's address space */ |
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111 | sc_RegImage = scRegImage, /* register value saved on stack */ |
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112 | sc_Info = scInfo, /* symbol contains debugger information */ |
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113 | sc_UserStruct = scUserStruct, /* addr in struct user for current process */ |
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114 | sc_SData = scSData, /* load time only small data */ |
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115 | sc_SBss = scSBss, /* load time only small common */ |
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116 | sc_RData = scRData, /* load time only read only data */ |
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117 | sc_Var = scVar, /* Var parameter (fortran,pascal) */ |
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118 | sc_Common = scCommon, /* common variable */ |
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119 | sc_SCommon = scSCommon, /* small common */ |
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120 | sc_VarRegister = scVarRegister, /* Var parameter in a register */ |
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121 | sc_Variant = scVariant, /* Variant record */ |
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122 | sc_SUndefined = scSUndefined, /* small undefined(external) data */ |
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123 | sc_Init = scInit, /* .init section symbol */ |
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124 | sc_Max = scMax /* Max storage class+1 */ |
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125 | } sc_t; |
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126 | |
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127 | /* Redefinition of symbol type. */ |
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128 | |
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129 | typedef enum st { |
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130 | st_Nil = stNil, /* Nuthin' special */ |
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131 | st_Global = stGlobal, /* external symbol */ |
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132 | st_Static = stStatic, /* static */ |
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133 | st_Param = stParam, /* procedure argument */ |
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134 | st_Local = stLocal, /* local variable */ |
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135 | st_Label = stLabel, /* label */ |
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136 | st_Proc = stProc, /* " " Procedure */ |
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137 | st_Block = stBlock, /* beginning of block */ |
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138 | st_End = stEnd, /* end (of anything) */ |
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139 | st_Member = stMember, /* member (of anything - struct/union/enum */ |
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140 | st_Typedef = stTypedef, /* type definition */ |
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141 | st_File = stFile, /* file name */ |
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142 | st_RegReloc = stRegReloc, /* register relocation */ |
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143 | st_Forward = stForward, /* forwarding address */ |
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144 | st_StaticProc = stStaticProc, /* load time only static procs */ |
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145 | st_StaParam = stStaParam, /* Fortran static parameters */ |
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146 | st_Constant = stConstant, /* const */ |
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147 | #ifdef stStruct |
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148 | st_Struct = stStruct, /* struct */ |
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149 | st_Union = stUnion, /* union */ |
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150 | st_Enum = stEnum, /* enum */ |
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151 | #endif |
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152 | st_Str = stStr, /* string */ |
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153 | st_Number = stNumber, /* pure number (ie. 4 NOR 2+2) */ |
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154 | st_Expr = stExpr, /* 2+2 vs. 4 */ |
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155 | st_Type = stType, /* post-coercion SER */ |
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156 | st_Max = stMax /* max type+1 */ |
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157 | } st_t; |
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158 | |
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159 | /* Redefinition of type qualifiers. */ |
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160 | |
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161 | typedef enum tq { |
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162 | tq_Nil = tqNil, /* bt is what you see */ |
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163 | tq_Ptr = tqPtr, /* pointer */ |
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164 | tq_Proc = tqProc, /* procedure */ |
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165 | tq_Array = tqArray, /* duh */ |
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166 | tq_Far = tqFar, /* longer addressing - 8086/8 land */ |
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167 | tq_Vol = tqVol, /* volatile */ |
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168 | tq_Max = tqMax /* Max type qualifier+1 */ |
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169 | } tq_t; |
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170 | |
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171 | /* Redefinition of basic types. */ |
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172 | |
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173 | typedef enum bt { |
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174 | bt_Nil = btNil, /* undefined */ |
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175 | bt_Adr = btAdr, /* address - integer same size as pointer */ |
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176 | bt_Char = btChar, /* character */ |
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177 | bt_UChar = btUChar, /* unsigned character */ |
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178 | bt_Short = btShort, /* short */ |
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179 | bt_UShort = btUShort, /* unsigned short */ |
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180 | bt_Int = btInt, /* int */ |
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181 | bt_UInt = btUInt, /* unsigned int */ |
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182 | bt_Long = btLong, /* long */ |
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183 | bt_ULong = btULong, /* unsigned long */ |
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184 | bt_Float = btFloat, /* float (real) */ |
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185 | bt_Double = btDouble, /* Double (real) */ |
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186 | bt_Struct = btStruct, /* Structure (Record) */ |
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187 | bt_Union = btUnion, /* Union (variant) */ |
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188 | bt_Enum = btEnum, /* Enumerated */ |
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189 | bt_Typedef = btTypedef, /* defined via a typedef, isymRef points */ |
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190 | bt_Range = btRange, /* subrange of int */ |
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191 | bt_Set = btSet, /* pascal sets */ |
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192 | bt_Complex = btComplex, /* fortran complex */ |
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193 | bt_DComplex = btDComplex, /* fortran double complex */ |
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194 | bt_Indirect = btIndirect, /* forward or unnamed typedef */ |
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195 | bt_FixedDec = btFixedDec, /* Fixed Decimal */ |
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196 | bt_FloatDec = btFloatDec, /* Float Decimal */ |
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197 | bt_String = btString, /* Varying Length Character String */ |
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198 | bt_Bit = btBit, /* Aligned Bit String */ |
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199 | bt_Picture = btPicture, /* Picture */ |
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200 | bt_Void = btVoid, /* void */ |
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201 | bt_Max = btMax /* Max basic type+1 */ |
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202 | } bt_t; |
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203 | |
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204 | /* Redefinition of the language codes. */ |
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205 | |
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206 | typedef enum lang { |
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207 | lang_C = langC, |
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208 | lang_Pascal = langPascal, |
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209 | lang_Fortran = langFortran, |
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210 | lang_Assembler = langAssembler, |
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211 | lang_Machine = langMachine, |
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212 | lang_Nil = langNil, |
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213 | lang_Ada = langAda, |
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214 | lang_Pl1 = langPl1, |
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215 | lang_Cobol = langCobol |
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216 | } lang_t; |
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217 | |
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218 | /* Redefinition of the debug level codes. */ |
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219 | |
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220 | typedef enum glevel { |
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221 | glevel_0 = GLEVEL_0, |
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222 | glevel_1 = GLEVEL_1, |
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223 | glevel_2 = GLEVEL_2, |
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224 | glevel_3 = GLEVEL_3 |
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225 | } glevel_t; |
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226 | |
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227 | |
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228 | /* Keep track of the active scopes. */ |
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229 | typedef struct scope { |
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230 | struct scope *prev; /* previous scope */ |
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231 | ulong open_sym; /* symbol opening scope */ |
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232 | sc_t sc; /* storage class */ |
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233 | st_t st; /* symbol type */ |
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234 | } scope_t; |
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235 | |
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236 | struct filehdr global_hdr; /* a.out header */ |
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237 | |
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238 | int errors = 0; /* # of errors */ |
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239 | int want_aux = 0; /* print aux table */ |
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240 | int want_line = 0; /* print line numbers */ |
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241 | int want_rfd = 0; /* print relative file desc's */ |
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242 | int want_scope = 0; /* print scopes for every symbol */ |
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243 | int tfile = 0; /* no global header file */ |
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244 | int tfile_fd; /* file descriptor of .T file */ |
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245 | off_t tfile_offset; /* current offset in .T file */ |
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246 | scope_t *cur_scope = 0; /* list of active scopes */ |
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247 | scope_t *free_scope = 0; /* list of freed scopes */ |
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248 | HDRR sym_hdr; /* symbolic header */ |
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249 | char *l_strings; /* local strings */ |
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250 | char *e_strings; /* external strings */ |
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251 | SYMR *l_symbols; /* local symbols */ |
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252 | EXTR *e_symbols; /* external symbols */ |
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253 | LINER *lines; /* line numbers */ |
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254 | DNR *dense_nums; /* dense numbers */ |
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255 | OPTR *opt_symbols; /* optimization symbols */ |
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256 | AUXU *aux_symbols; /* Auxiliary symbols */ |
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257 | char *aux_used; /* map of which aux syms are used */ |
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258 | FDR *file_desc; /* file tables */ |
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259 | ulong *rfile_desc; /* relative file tables */ |
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260 | PDR *proc_desc; /* procedure tables */ |
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261 | |
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262 | /* Forward reference for functions. */ |
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263 | PTR_T read_seek __proto((PTR_T, size_t, off_t, const char *)); |
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264 | void read_tfile __proto((void)); |
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265 | void print_global_hdr __proto((struct filehdr *)); |
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266 | void print_sym_hdr __proto((HDRR *)); |
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267 | void print_file_desc __proto((FDR *, int)); |
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268 | void print_symbol __proto((SYMR *, int, char *, AUXU *, int, FDR *)); |
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269 | void print_aux __proto((AUXU, int, int)); |
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270 | void emit_aggregate __proto((char *, AUXU, AUXU, const char *, FDR *)); |
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271 | char *st_to_string __proto((st_t)); |
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272 | char *sc_to_string __proto((sc_t)); |
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273 | char *glevel_to_string __proto((glevel_t)); |
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274 | char *lang_to_string __proto((lang_t)); |
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275 | char *type_to_string __proto((AUXU *, int, FDR *)); |
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276 | |
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277 | #ifndef __alpha |
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278 | extern PTR_T malloc __proto((size_t)); |
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279 | extern PTR_T calloc __proto((size_t, size_t)); |
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280 | extern PTR_T realloc __proto((PTR_T, size_t)); |
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281 | extern void free __proto((PTR_T)); |
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282 | #endif |
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283 | |
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284 | extern char *optarg; |
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285 | extern int optind; |
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286 | extern int opterr; |
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287 | |
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288 | /* Create a table of debugging stab-codes and corresponding names. */ |
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289 | |
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290 | #define __define_stab(NAME, CODE, STRING) {(int)CODE, STRING}, |
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291 | struct {short code; char string[10];} stab_names[] = { |
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292 | #include "stab.def" |
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293 | #undef __define_stab |
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294 | }; |
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295 | |
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296 | |
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297 | /* Read some bytes at a specified location, and return a pointer. */ |
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298 | |
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299 | PTR_T |
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300 | read_seek (ptr, size, offset, context) |
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301 | PTR_T ptr; /* pointer to buffer or NULL */ |
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302 | size_t size; /* # bytes to read */ |
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303 | off_t offset; /* offset to read at */ |
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304 | const char *context; /* context for error message */ |
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305 | { |
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306 | long read_size = 0; |
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307 | |
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308 | if (size == 0) /* nothing to read */ |
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309 | return ptr; |
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310 | |
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311 | if ((ptr == (PTR_T)0 && (ptr = malloc (size)) == (PTR_T)0) |
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312 | || (tfile_offset != offset && lseek (tfile_fd, offset, 0) == -1) |
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313 | || (read_size = read (tfile_fd, ptr, size)) < 0) |
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314 | { |
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315 | perror (context); |
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316 | exit (1); |
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317 | } |
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318 | |
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319 | if (read_size != size) |
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320 | { |
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321 | fprintf (stderr, "%s: read %ld bytes, expected %ld bytes\n", |
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322 | context, read_size, (long) size); |
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323 | exit (1); |
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324 | } |
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325 | |
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326 | tfile_offset = offset + size; |
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327 | return ptr; |
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328 | } |
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329 | |
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330 | |
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331 | /* Convert language code to string format. */ |
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332 | |
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333 | char * |
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334 | lang_to_string (lang) |
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335 | lang_t lang; |
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336 | { |
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337 | switch (lang) |
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338 | { |
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339 | case langC: return "C"; |
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340 | case langPascal: return "Pascal"; |
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341 | case langFortran: return "Fortran"; |
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342 | case langAssembler: return "Assembler"; |
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343 | case langMachine: return "Machine"; |
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344 | case langNil: return "Nil"; |
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345 | case langAda: return "Ada"; |
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346 | case langPl1: return "Pl1"; |
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347 | case langCobol: return "Cobol"; |
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348 | } |
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349 | |
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350 | return "Unknown language"; |
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351 | } |
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352 | |
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353 | |
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354 | /* Convert storage class to string. */ |
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355 | |
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356 | char * |
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357 | sc_to_string(storage_class) |
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358 | sc_t storage_class; |
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359 | { |
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360 | switch(storage_class) |
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361 | { |
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362 | case sc_Nil: return "Nil"; |
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363 | case sc_Text: return "Text"; |
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364 | case sc_Data: return "Data"; |
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365 | case sc_Bss: return "Bss"; |
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366 | case sc_Register: return "Register"; |
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367 | case sc_Abs: return "Abs"; |
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368 | case sc_Undefined: return "Undefined"; |
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369 | case sc_CdbLocal: return "CdbLocal"; |
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370 | case sc_Bits: return "Bits"; |
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371 | case sc_CdbSystem: return "CdbSystem"; |
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372 | case sc_RegImage: return "RegImage"; |
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373 | case sc_Info: return "Info"; |
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374 | case sc_UserStruct: return "UserStruct"; |
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375 | case sc_SData: return "SData"; |
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376 | case sc_SBss: return "SBss"; |
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377 | case sc_RData: return "RData"; |
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378 | case sc_Var: return "Var"; |
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379 | case sc_Common: return "Common"; |
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380 | case sc_SCommon: return "SCommon"; |
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381 | case sc_VarRegister: return "VarRegister"; |
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382 | case sc_Variant: return "Variant"; |
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383 | case sc_SUndefined: return "SUndefined"; |
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384 | case sc_Init: return "Init"; |
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385 | case sc_Max: return "Max"; |
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386 | } |
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387 | |
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388 | return "???"; |
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389 | } |
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390 | |
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391 | |
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392 | /* Convert symbol type to string. */ |
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393 | |
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394 | char * |
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395 | st_to_string(symbol_type) |
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396 | st_t symbol_type; |
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397 | { |
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398 | switch(symbol_type) |
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399 | { |
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400 | case st_Nil: return "Nil"; |
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401 | case st_Global: return "Global"; |
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402 | case st_Static: return "Static"; |
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403 | case st_Param: return "Param"; |
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404 | case st_Local: return "Local"; |
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405 | case st_Label: return "Label"; |
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406 | case st_Proc: return "Proc"; |
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407 | case st_Block: return "Block"; |
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408 | case st_End: return "End"; |
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409 | case st_Member: return "Member"; |
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410 | case st_Typedef: return "Typedef"; |
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411 | case st_File: return "File"; |
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412 | case st_RegReloc: return "RegReloc"; |
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413 | case st_Forward: return "Forward"; |
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414 | case st_StaticProc: return "StaticProc"; |
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415 | case st_Constant: return "Constant"; |
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416 | case st_StaParam: return "StaticParam"; |
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417 | #ifdef stStruct |
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418 | case st_Struct: return "Struct"; |
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419 | case st_Union: return "Union"; |
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420 | case st_Enum: return "Enum"; |
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421 | #endif |
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422 | case st_Str: return "String"; |
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423 | case st_Number: return "Number"; |
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424 | case st_Expr: return "Expr"; |
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425 | case st_Type: return "Type"; |
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426 | case st_Max: return "Max"; |
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427 | } |
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428 | |
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429 | return "???"; |
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430 | } |
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431 | |
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432 | |
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433 | /* Convert debug level to string. */ |
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434 | |
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435 | char * |
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436 | glevel_to_string (g_level) |
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437 | glevel_t g_level; |
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438 | { |
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439 | switch(g_level) |
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440 | { |
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441 | case GLEVEL_0: return "G0"; |
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442 | case GLEVEL_1: return "G1"; |
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443 | case GLEVEL_2: return "G2"; |
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444 | case GLEVEL_3: return "G3"; |
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445 | } |
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446 | |
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447 | return "??"; |
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448 | } |
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449 | |
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450 | |
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451 | /* Convert the type information to string format. */ |
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452 | |
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453 | char * |
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454 | type_to_string (aux_ptr, index, fdp) |
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455 | AUXU *aux_ptr; |
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456 | int index; |
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457 | FDR *fdp; |
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458 | { |
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459 | AUXU u; |
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460 | struct qual { |
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461 | tq_t type; |
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462 | int low_bound; |
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463 | int high_bound; |
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464 | int stride; |
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465 | } qualifiers[7]; |
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466 | |
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467 | bt_t basic_type; |
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468 | int i; |
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469 | static char buffer1[1024]; |
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470 | static char buffer2[1024]; |
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471 | char *p1 = buffer1; |
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472 | char *p2 = buffer2; |
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473 | char *used_ptr = aux_used + (aux_ptr - aux_symbols); |
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474 | |
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475 | for (i = 0; i < 7; i++) |
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476 | { |
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477 | qualifiers[i].low_bound = 0; |
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478 | qualifiers[i].high_bound = 0; |
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479 | qualifiers[i].stride = 0; |
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480 | } |
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481 | |
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482 | used_ptr[index] = 1; |
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483 | u = aux_ptr[index++]; |
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484 | if (u.isym == -1) |
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485 | return "-1 (no type)"; |
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486 | |
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487 | basic_type = (bt_t) u.ti.bt; |
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488 | qualifiers[0].type = (tq_t) u.ti.tq0; |
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489 | qualifiers[1].type = (tq_t) u.ti.tq1; |
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490 | qualifiers[2].type = (tq_t) u.ti.tq2; |
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491 | qualifiers[3].type = (tq_t) u.ti.tq3; |
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492 | qualifiers[4].type = (tq_t) u.ti.tq4; |
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493 | qualifiers[5].type = (tq_t) u.ti.tq5; |
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494 | qualifiers[6].type = tq_Nil; |
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495 | |
---|
496 | /* |
---|
497 | * Go get the basic type. |
---|
498 | */ |
---|
499 | switch (basic_type) |
---|
500 | { |
---|
501 | case bt_Nil: /* undefined */ |
---|
502 | strcpy (p1, "nil"); |
---|
503 | break; |
---|
504 | |
---|
505 | case bt_Adr: /* address - integer same size as pointer */ |
---|
506 | strcpy (p1, "address"); |
---|
507 | break; |
---|
508 | |
---|
509 | case bt_Char: /* character */ |
---|
510 | strcpy (p1, "char"); |
---|
511 | break; |
---|
512 | |
---|
513 | case bt_UChar: /* unsigned character */ |
---|
514 | strcpy (p1, "unsigned char"); |
---|
515 | break; |
---|
516 | |
---|
517 | case bt_Short: /* short */ |
---|
518 | strcpy (p1, "short"); |
---|
519 | break; |
---|
520 | |
---|
521 | case bt_UShort: /* unsigned short */ |
---|
522 | strcpy (p1, "unsigned short"); |
---|
523 | break; |
---|
524 | |
---|
525 | case bt_Int: /* int */ |
---|
526 | strcpy (p1, "int"); |
---|
527 | break; |
---|
528 | |
---|
529 | case bt_UInt: /* unsigned int */ |
---|
530 | strcpy (p1, "unsigned int"); |
---|
531 | break; |
---|
532 | |
---|
533 | case bt_Long: /* long */ |
---|
534 | strcpy (p1, "long"); |
---|
535 | break; |
---|
536 | |
---|
537 | case bt_ULong: /* unsigned long */ |
---|
538 | strcpy (p1, "unsigned long"); |
---|
539 | break; |
---|
540 | |
---|
541 | case bt_Float: /* float (real) */ |
---|
542 | strcpy (p1, "float"); |
---|
543 | break; |
---|
544 | |
---|
545 | case bt_Double: /* Double (real) */ |
---|
546 | strcpy (p1, "double"); |
---|
547 | break; |
---|
548 | |
---|
549 | /* Structures add 1-2 aux words: |
---|
550 | 1st word is [ST_RFDESCAPE, offset] pointer to struct def; |
---|
551 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ |
---|
552 | |
---|
553 | case bt_Struct: /* Structure (Record) */ |
---|
554 | emit_aggregate (p1, aux_ptr[index], aux_ptr[index+1], "struct", fdp); |
---|
555 | used_ptr[index] = 1; |
---|
556 | if (aux_ptr[index].rndx.rfd == ST_RFDESCAPE) |
---|
557 | used_ptr[++index] = 1; |
---|
558 | |
---|
559 | index++; /* skip aux words */ |
---|
560 | break; |
---|
561 | |
---|
562 | /* Unions add 1-2 aux words: |
---|
563 | 1st word is [ST_RFDESCAPE, offset] pointer to union def; |
---|
564 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ |
---|
565 | |
---|
566 | case bt_Union: /* Union */ |
---|
567 | emit_aggregate (p1, aux_ptr[index], aux_ptr[index+1], "union", fdp); |
---|
568 | used_ptr[index] = 1; |
---|
569 | if (aux_ptr[index].rndx.rfd == ST_RFDESCAPE) |
---|
570 | used_ptr[++index] = 1; |
---|
571 | |
---|
572 | index++; /* skip aux words */ |
---|
573 | break; |
---|
574 | |
---|
575 | /* Enumerations add 1-2 aux words: |
---|
576 | 1st word is [ST_RFDESCAPE, offset] pointer to enum def; |
---|
577 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ |
---|
578 | |
---|
579 | case bt_Enum: /* Enumeration */ |
---|
580 | emit_aggregate (p1, aux_ptr[index], aux_ptr[index+1], "enum", fdp); |
---|
581 | used_ptr[index] = 1; |
---|
582 | if (aux_ptr[index].rndx.rfd == ST_RFDESCAPE) |
---|
583 | used_ptr[++index] = 1; |
---|
584 | |
---|
585 | index++; /* skip aux words */ |
---|
586 | break; |
---|
587 | |
---|
588 | case bt_Typedef: /* defined via a typedef, isymRef points */ |
---|
589 | strcpy (p1, "typedef"); |
---|
590 | break; |
---|
591 | |
---|
592 | case bt_Range: /* subrange of int */ |
---|
593 | strcpy (p1, "subrange"); |
---|
594 | break; |
---|
595 | |
---|
596 | case bt_Set: /* pascal sets */ |
---|
597 | strcpy (p1, "set"); |
---|
598 | break; |
---|
599 | |
---|
600 | case bt_Complex: /* fortran complex */ |
---|
601 | strcpy (p1, "complex"); |
---|
602 | break; |
---|
603 | |
---|
604 | case bt_DComplex: /* fortran double complex */ |
---|
605 | strcpy (p1, "double complex"); |
---|
606 | break; |
---|
607 | |
---|
608 | case bt_Indirect: /* forward or unnamed typedef */ |
---|
609 | strcpy (p1, "forward/unnamed typedef"); |
---|
610 | break; |
---|
611 | |
---|
612 | case bt_FixedDec: /* Fixed Decimal */ |
---|
613 | strcpy (p1, "fixed decimal"); |
---|
614 | break; |
---|
615 | |
---|
616 | case bt_FloatDec: /* Float Decimal */ |
---|
617 | strcpy (p1, "float decimal"); |
---|
618 | break; |
---|
619 | |
---|
620 | case bt_String: /* Varying Length Character String */ |
---|
621 | strcpy (p1, "string"); |
---|
622 | break; |
---|
623 | |
---|
624 | case bt_Bit: /* Aligned Bit String */ |
---|
625 | strcpy (p1, "bit"); |
---|
626 | break; |
---|
627 | |
---|
628 | case bt_Picture: /* Picture */ |
---|
629 | strcpy (p1, "picture"); |
---|
630 | break; |
---|
631 | |
---|
632 | case bt_Void: /* Void */ |
---|
633 | strcpy (p1, "void"); |
---|
634 | break; |
---|
635 | |
---|
636 | default: |
---|
637 | sprintf (p1, "Unknown basic type %d", (int) basic_type); |
---|
638 | break; |
---|
639 | } |
---|
640 | |
---|
641 | p1 += strlen (buffer1); |
---|
642 | |
---|
643 | /* |
---|
644 | * If this is a bitfield, get the bitsize. |
---|
645 | */ |
---|
646 | if (u.ti.fBitfield) |
---|
647 | { |
---|
648 | int bitsize; |
---|
649 | |
---|
650 | used_ptr[index] = 1; |
---|
651 | bitsize = aux_ptr[index++].width; |
---|
652 | sprintf (p1, " : %d", bitsize); |
---|
653 | p1 += strlen (buffer1); |
---|
654 | } |
---|
655 | |
---|
656 | |
---|
657 | /* |
---|
658 | * Deal with any qualifiers. |
---|
659 | */ |
---|
660 | if (qualifiers[0].type != tq_Nil) |
---|
661 | { |
---|
662 | /* |
---|
663 | * Snarf up any array bounds in the correct order. Arrays |
---|
664 | * store 5 successive words in the aux. table: |
---|
665 | * word 0 RNDXR to type of the bounds (ie, int) |
---|
666 | * word 1 Current file descriptor index |
---|
667 | * word 2 low bound |
---|
668 | * word 3 high bound (or -1 if []) |
---|
669 | * word 4 stride size in bits |
---|
670 | */ |
---|
671 | for (i = 0; i < 7; i++) |
---|
672 | { |
---|
673 | if (qualifiers[i].type == tq_Array) |
---|
674 | { |
---|
675 | qualifiers[i].low_bound = aux_ptr[index+2].dnLow; |
---|
676 | qualifiers[i].high_bound = aux_ptr[index+3].dnHigh; |
---|
677 | qualifiers[i].stride = aux_ptr[index+4].width; |
---|
678 | used_ptr[index] = 1; |
---|
679 | used_ptr[index+1] = 1; |
---|
680 | used_ptr[index+2] = 1; |
---|
681 | used_ptr[index+3] = 1; |
---|
682 | used_ptr[index+4] = 1; |
---|
683 | index += 5; |
---|
684 | } |
---|
685 | } |
---|
686 | |
---|
687 | /* |
---|
688 | * Now print out the qualifiers. |
---|
689 | */ |
---|
690 | for (i = 0; i < 6; i++) |
---|
691 | { |
---|
692 | switch (qualifiers[i].type) |
---|
693 | { |
---|
694 | case tq_Nil: |
---|
695 | case tq_Max: |
---|
696 | break; |
---|
697 | |
---|
698 | case tq_Ptr: |
---|
699 | strcpy (p2, "ptr to "); |
---|
700 | p2 += sizeof ("ptr to ")-1; |
---|
701 | break; |
---|
702 | |
---|
703 | case tq_Vol: |
---|
704 | strcpy (p2, "volatile "); |
---|
705 | p2 += sizeof ("volatile ")-1; |
---|
706 | break; |
---|
707 | |
---|
708 | case tq_Far: |
---|
709 | strcpy (p2, "far "); |
---|
710 | p2 += sizeof ("far ")-1; |
---|
711 | break; |
---|
712 | |
---|
713 | case tq_Proc: |
---|
714 | strcpy (p2, "func. ret. "); |
---|
715 | p2 += sizeof ("func. ret. "); |
---|
716 | break; |
---|
717 | |
---|
718 | case tq_Array: |
---|
719 | { |
---|
720 | int first_array = i; |
---|
721 | int j; |
---|
722 | |
---|
723 | /* Print array bounds reversed (ie, in the order the C |
---|
724 | programmer writes them). C is such a fun language.... */ |
---|
725 | |
---|
726 | while (i < 5 && qualifiers[i+1].type == tq_Array) |
---|
727 | i++; |
---|
728 | |
---|
729 | for (j = i; j >= first_array; j--) |
---|
730 | { |
---|
731 | strcpy (p2, "array ["); |
---|
732 | p2 += sizeof ("array [")-1; |
---|
733 | if (qualifiers[j].low_bound != 0) |
---|
734 | sprintf (p2, |
---|
735 | "%ld:%ld {%ld bits}", |
---|
736 | (long) qualifiers[j].low_bound, |
---|
737 | (long) qualifiers[j].high_bound, |
---|
738 | (long) qualifiers[j].stride); |
---|
739 | |
---|
740 | else if (qualifiers[j].high_bound != -1) |
---|
741 | sprintf (p2, |
---|
742 | "%ld {%ld bits}", |
---|
743 | (long) (qualifiers[j].high_bound + 1), |
---|
744 | (long) (qualifiers[j].stride)); |
---|
745 | |
---|
746 | else |
---|
747 | sprintf (p2, " {%ld bits}", (long) (qualifiers[j].stride)); |
---|
748 | |
---|
749 | p2 += strlen (p2); |
---|
750 | strcpy (p2, "] of "); |
---|
751 | p2 += sizeof ("] of ")-1; |
---|
752 | } |
---|
753 | } |
---|
754 | break; |
---|
755 | } |
---|
756 | } |
---|
757 | } |
---|
758 | |
---|
759 | strcpy (p2, buffer1); |
---|
760 | return buffer2; |
---|
761 | } |
---|
762 | |
---|
763 | |
---|
764 | /* Print out the global file header for object files. */ |
---|
765 | |
---|
766 | void |
---|
767 | print_global_hdr (ptr) |
---|
768 | struct filehdr *ptr; |
---|
769 | { |
---|
770 | char *time = ctime ((time_t *)&ptr->f_timdat); |
---|
771 | ushort flags = ptr->f_flags; |
---|
772 | |
---|
773 | printf("Global file header:\n"); |
---|
774 | printf(" %-*s 0x%x\n", 24, "magic number", (ushort) ptr->f_magic); |
---|
775 | printf(" %-*s %d\n", 24, "# sections", (int) ptr->f_nscns); |
---|
776 | printf(" %-*s %ld, %s", 24, "timestamp", (long) ptr->f_timdat, time); |
---|
777 | printf(" %-*s %ld\n", 24, "symbolic header offset", (long) ptr->f_symptr); |
---|
778 | printf(" %-*s %ld\n", 24, "symbolic header size", (long) ptr->f_nsyms); |
---|
779 | printf(" %-*s %ld\n", 24, "optional header", (long) ptr->f_opthdr); |
---|
780 | printf(" %-*s 0x%x", 24, "flags", (ushort) flags); |
---|
781 | |
---|
782 | if ((flags & F_RELFLG) != 0) |
---|
783 | printf (", F_RELFLG"); |
---|
784 | |
---|
785 | if ((flags & F_EXEC) != 0) |
---|
786 | printf (", F_EXEC"); |
---|
787 | |
---|
788 | if ((flags & F_LNNO) != 0) |
---|
789 | printf (", F_LNNO"); |
---|
790 | |
---|
791 | if ((flags & F_LSYMS) != 0) |
---|
792 | printf (", F_LSYMS"); |
---|
793 | |
---|
794 | if ((flags & F_MINMAL) != 0) |
---|
795 | printf (", F_MINMAL"); |
---|
796 | |
---|
797 | if ((flags & F_UPDATE) != 0) |
---|
798 | printf (", F_UPDATE"); |
---|
799 | |
---|
800 | if ((flags & F_SWABD) != 0) |
---|
801 | printf (", F_SWABD"); |
---|
802 | |
---|
803 | if ((flags & F_AR16WR) != 0) |
---|
804 | printf (", F_AR16WR"); |
---|
805 | |
---|
806 | if ((flags & F_AR32WR) != 0) |
---|
807 | printf (", F_AR32WR"); |
---|
808 | |
---|
809 | if ((flags & F_AR32W) != 0) |
---|
810 | printf (", F_AR32W"); |
---|
811 | |
---|
812 | if ((flags & F_PATCH) != 0) |
---|
813 | printf (", F_PATCH/F_NODF"); |
---|
814 | |
---|
815 | printf ("\n\n"); |
---|
816 | } |
---|
817 | |
---|
818 | |
---|
819 | /* Print out the symbolic header. */ |
---|
820 | |
---|
821 | void |
---|
822 | print_sym_hdr (sym_ptr) |
---|
823 | HDRR *sym_ptr; |
---|
824 | { |
---|
825 | int width = 20; |
---|
826 | |
---|
827 | printf("Symbolic header, magic number = 0x%04x, vstamp = %d.%d:\n\n", |
---|
828 | sym_ptr->magic & 0xffff, |
---|
829 | (sym_ptr->vstamp & 0xffff) >> 8, |
---|
830 | sym_ptr->vstamp & 0xff); |
---|
831 | |
---|
832 | printf(" %-*s %11s %11s %11s\n", width, "Info", "Offset", "Number", "Bytes"); |
---|
833 | printf(" %-*s %11s %11s %11s\n", width, "====", "======", "======", "=====\n"); |
---|
834 | |
---|
835 | printf(" %-*s %11ld %11ld %11ld [%d]\n", width, "Line numbers", |
---|
836 | (long)sym_ptr->cbLineOffset, |
---|
837 | (long)sym_ptr->cbLine, |
---|
838 | (long)sym_ptr->cbLine, |
---|
839 | (int)sym_ptr->ilineMax); |
---|
840 | |
---|
841 | printf(" %-*s %11ld %11ld %11ld\n", width, "Dense numbers", |
---|
842 | (long)sym_ptr->cbDnOffset, |
---|
843 | (long)sym_ptr->idnMax, |
---|
844 | (long)(sym_ptr->idnMax * sizeof (DNR))); |
---|
845 | |
---|
846 | printf(" %-*s %11ld %11ld %11ld\n", width, "Procedures Tables", |
---|
847 | (long)sym_ptr->cbPdOffset, |
---|
848 | (long)sym_ptr->ipdMax, |
---|
849 | (long)(sym_ptr->ipdMax * sizeof (PDR))); |
---|
850 | |
---|
851 | printf(" %-*s %11ld %11ld %11ld\n", width, "Local Symbols", |
---|
852 | (long)sym_ptr->cbSymOffset, |
---|
853 | (long)sym_ptr->isymMax, |
---|
854 | (long)(sym_ptr->isymMax * sizeof (SYMR))); |
---|
855 | |
---|
856 | printf(" %-*s %11ld %11ld %11ld\n", width, "Optimization Symbols", |
---|
857 | (long)sym_ptr->cbOptOffset, |
---|
858 | (long)sym_ptr->ioptMax, |
---|
859 | (long)(sym_ptr->ioptMax * sizeof (OPTR))); |
---|
860 | |
---|
861 | printf(" %-*s %11ld %11ld %11ld\n", width, "Auxiliary Symbols", |
---|
862 | (long)sym_ptr->cbAuxOffset, |
---|
863 | (long)sym_ptr->iauxMax, |
---|
864 | (long)(sym_ptr->iauxMax * sizeof (AUXU))); |
---|
865 | |
---|
866 | printf(" %-*s %11ld %11ld %11ld\n", width, "Local Strings", |
---|
867 | (long)sym_ptr->cbSsOffset, |
---|
868 | (long)sym_ptr->issMax, |
---|
869 | (long)sym_ptr->issMax); |
---|
870 | |
---|
871 | printf(" %-*s %11ld %11ld %11ld\n", width, "External Strings", |
---|
872 | (long)sym_ptr->cbSsExtOffset, |
---|
873 | (long)sym_ptr->issExtMax, |
---|
874 | (long)sym_ptr->issExtMax); |
---|
875 | |
---|
876 | printf(" %-*s %11ld %11ld %11ld\n", width, "File Tables", |
---|
877 | (long)sym_ptr->cbFdOffset, |
---|
878 | (long)sym_ptr->ifdMax, |
---|
879 | (long)(sym_ptr->ifdMax * sizeof (FDR))); |
---|
880 | |
---|
881 | printf(" %-*s %11ld %11ld %11ld\n", width, "Relative Files", |
---|
882 | (long)sym_ptr->cbRfdOffset, |
---|
883 | (long)sym_ptr->crfd, |
---|
884 | (long)(sym_ptr->crfd * sizeof (ulong))); |
---|
885 | |
---|
886 | printf(" %-*s %11ld %11ld %11ld\n", width, "External Symbols", |
---|
887 | (long)sym_ptr->cbExtOffset, |
---|
888 | (long)sym_ptr->iextMax, |
---|
889 | (long)(sym_ptr->iextMax * sizeof (EXTR))); |
---|
890 | } |
---|
891 | |
---|
892 | |
---|
893 | /* Print out a symbol. */ |
---|
894 | |
---|
895 | void |
---|
896 | print_symbol (sym_ptr, number, strbase, aux_base, ifd, fdp) |
---|
897 | SYMR *sym_ptr; |
---|
898 | int number; |
---|
899 | char *strbase; |
---|
900 | AUXU *aux_base; |
---|
901 | int ifd; |
---|
902 | FDR *fdp; |
---|
903 | { |
---|
904 | sc_t storage_class = (sc_t) sym_ptr->sc; |
---|
905 | st_t symbol_type = (st_t) sym_ptr->st; |
---|
906 | ulong index = sym_ptr->index; |
---|
907 | char *used_ptr = aux_used + (aux_base - aux_symbols); |
---|
908 | scope_t *scope_ptr; |
---|
909 | |
---|
910 | printf ("\n Symbol# %d: \"%s\"\n", number, sym_ptr->iss + strbase); |
---|
911 | |
---|
912 | if (aux_base != (AUXU *)0 && index != indexNil) |
---|
913 | switch (symbol_type) |
---|
914 | { |
---|
915 | case st_Nil: |
---|
916 | case st_Label: |
---|
917 | break; |
---|
918 | |
---|
919 | case st_File: |
---|
920 | case st_Block: |
---|
921 | printf (" End+1 symbol: %ld\n", index); |
---|
922 | if (want_scope) |
---|
923 | { |
---|
924 | if (free_scope == (scope_t *)0) |
---|
925 | scope_ptr = (scope_t *) malloc (sizeof (scope_t)); |
---|
926 | else |
---|
927 | { |
---|
928 | scope_ptr = free_scope; |
---|
929 | free_scope = scope_ptr->prev; |
---|
930 | } |
---|
931 | scope_ptr->open_sym = number; |
---|
932 | scope_ptr->st = symbol_type; |
---|
933 | scope_ptr->sc = storage_class; |
---|
934 | scope_ptr->prev = cur_scope; |
---|
935 | cur_scope = scope_ptr; |
---|
936 | } |
---|
937 | break; |
---|
938 | |
---|
939 | case st_End: |
---|
940 | if (storage_class == sc_Text || storage_class == sc_Info) |
---|
941 | printf (" First symbol: %ld\n", index); |
---|
942 | else |
---|
943 | { |
---|
944 | used_ptr[index] = 1; |
---|
945 | printf (" First symbol: %ld\n", aux_base[index].isym); |
---|
946 | } |
---|
947 | |
---|
948 | if (want_scope) |
---|
949 | { |
---|
950 | if (cur_scope == (scope_t *)0) |
---|
951 | printf (" Can't pop end scope\n"); |
---|
952 | else |
---|
953 | { |
---|
954 | scope_ptr = cur_scope; |
---|
955 | cur_scope = scope_ptr->prev; |
---|
956 | scope_ptr->prev = free_scope; |
---|
957 | free_scope = scope_ptr; |
---|
958 | } |
---|
959 | } |
---|
960 | break; |
---|
961 | |
---|
962 | case st_Proc: |
---|
963 | case st_StaticProc: |
---|
964 | if (MIPS_IS_STAB(sym_ptr)) |
---|
965 | ; |
---|
966 | else if (ifd == -1) /* local symbol */ |
---|
967 | { |
---|
968 | used_ptr[index] = used_ptr[index+1] = 1; |
---|
969 | printf (" End+1 symbol: %-7ld Type: %s\n", |
---|
970 | aux_base[index].isym, |
---|
971 | type_to_string (aux_base, index+1, fdp)); |
---|
972 | } |
---|
973 | else /* global symbol */ |
---|
974 | printf (" Local symbol: %ld\n", index); |
---|
975 | |
---|
976 | if (want_scope) |
---|
977 | { |
---|
978 | if (free_scope == (scope_t *)0) |
---|
979 | scope_ptr = (scope_t *) malloc (sizeof (scope_t)); |
---|
980 | else |
---|
981 | { |
---|
982 | scope_ptr = free_scope; |
---|
983 | free_scope = scope_ptr->prev; |
---|
984 | } |
---|
985 | scope_ptr->open_sym = number; |
---|
986 | scope_ptr->st = symbol_type; |
---|
987 | scope_ptr->sc = storage_class; |
---|
988 | scope_ptr->prev = cur_scope; |
---|
989 | cur_scope = scope_ptr; |
---|
990 | } |
---|
991 | break; |
---|
992 | |
---|
993 | #ifdef stStruct |
---|
994 | case st_Struct: |
---|
995 | case st_Union: |
---|
996 | case st_Enum: |
---|
997 | printf (" End+1 symbol: %lu\n", index); |
---|
998 | break; |
---|
999 | #endif |
---|
1000 | |
---|
1001 | default: |
---|
1002 | if (!MIPS_IS_STAB (sym_ptr)) |
---|
1003 | { |
---|
1004 | used_ptr[index] = 1; |
---|
1005 | printf (" Type: %s\n", |
---|
1006 | type_to_string (aux_base, index, fdp)); |
---|
1007 | } |
---|
1008 | break; |
---|
1009 | } |
---|
1010 | |
---|
1011 | if (want_scope) |
---|
1012 | { |
---|
1013 | printf (" Scopes: "); |
---|
1014 | if (cur_scope == (scope_t *)0) |
---|
1015 | printf (" none\n"); |
---|
1016 | else |
---|
1017 | { |
---|
1018 | for (scope_ptr = cur_scope; |
---|
1019 | scope_ptr != (scope_t *)0; |
---|
1020 | scope_ptr = scope_ptr->prev) |
---|
1021 | { |
---|
1022 | char *class; |
---|
1023 | if (scope_ptr->st == st_Proc || scope_ptr->st == st_StaticProc) |
---|
1024 | class = "func."; |
---|
1025 | else if (scope_ptr->st == st_File) |
---|
1026 | class = "file"; |
---|
1027 | else if (scope_ptr->st == st_Block && scope_ptr->sc == sc_Text) |
---|
1028 | class = "block"; |
---|
1029 | else if (scope_ptr->st == st_Block && scope_ptr->sc == sc_Info) |
---|
1030 | class = "type"; |
---|
1031 | else |
---|
1032 | class = "???"; |
---|
1033 | |
---|
1034 | printf (" %ld [%s]", scope_ptr->open_sym, class); |
---|
1035 | } |
---|
1036 | printf ("\n"); |
---|
1037 | } |
---|
1038 | } |
---|
1039 | |
---|
1040 | printf (" Value: %-13ld ", |
---|
1041 | (long)sym_ptr->value); |
---|
1042 | if (ifd == -1) |
---|
1043 | printf ("String index: %ld\n", (long)sym_ptr->iss); |
---|
1044 | else |
---|
1045 | printf ("String index: %-11ld Ifd: %d\n", |
---|
1046 | (long)sym_ptr->iss, ifd); |
---|
1047 | |
---|
1048 | printf (" Symbol type: %-11sStorage class: %-11s", |
---|
1049 | st_to_string (symbol_type), sc_to_string (storage_class)); |
---|
1050 | |
---|
1051 | if (MIPS_IS_STAB(sym_ptr)) |
---|
1052 | { |
---|
1053 | register int i = sizeof(stab_names) / sizeof(stab_names[0]); |
---|
1054 | char *stab_name = "stab"; |
---|
1055 | short code = MIPS_UNMARK_STAB(sym_ptr->index); |
---|
1056 | while (--i >= 0) |
---|
1057 | if (stab_names[i].code == code) |
---|
1058 | { |
---|
1059 | stab_name = stab_names[i].string; |
---|
1060 | break; |
---|
1061 | } |
---|
1062 | printf ("Index: 0x%lx (%s)\n", (long)sym_ptr->index, stab_name); |
---|
1063 | } |
---|
1064 | else if (sym_ptr->st == stLabel && sym_ptr->index != indexNil) |
---|
1065 | printf ("Index: %ld (line#)\n", (long)sym_ptr->index); |
---|
1066 | else |
---|
1067 | printf ("Index: %ld\n", (long)sym_ptr->index); |
---|
1068 | |
---|
1069 | } |
---|
1070 | |
---|
1071 | |
---|
1072 | /* Print out a word from the aux. table in various formats. */ |
---|
1073 | |
---|
1074 | void |
---|
1075 | print_aux (u, auxi, used) |
---|
1076 | AUXU u; |
---|
1077 | int auxi; |
---|
1078 | int used; |
---|
1079 | { |
---|
1080 | printf ("\t%s#%-5d %11ld, [%4ld/%7ld], [%2d %1d:%1d %1x:%1x:%1x:%1x:%1x:%1x]\n", |
---|
1081 | (used) ? " " : "* ", |
---|
1082 | auxi, |
---|
1083 | (long) u.isym, |
---|
1084 | (long) u.rndx.rfd, |
---|
1085 | (long) u.rndx.index, |
---|
1086 | u.ti.bt, |
---|
1087 | u.ti.fBitfield, |
---|
1088 | u.ti.continued, |
---|
1089 | u.ti.tq0, |
---|
1090 | u.ti.tq1, |
---|
1091 | u.ti.tq2, |
---|
1092 | u.ti.tq3, |
---|
1093 | u.ti.tq4, |
---|
1094 | u.ti.tq5); |
---|
1095 | } |
---|
1096 | |
---|
1097 | |
---|
1098 | /* Write aggregate information to a string. */ |
---|
1099 | |
---|
1100 | void |
---|
1101 | emit_aggregate (string, u, u2, which, fdp) |
---|
1102 | char *string; |
---|
1103 | AUXU u; |
---|
1104 | AUXU u2; |
---|
1105 | const char *which; |
---|
1106 | FDR *fdp; |
---|
1107 | { |
---|
1108 | unsigned int ifd = u.rndx.rfd; |
---|
1109 | unsigned int index = u.rndx.index; |
---|
1110 | const char *name; |
---|
1111 | |
---|
1112 | if (ifd == ST_RFDESCAPE) |
---|
1113 | ifd = u2.isym; |
---|
1114 | |
---|
1115 | /* An ifd of -1 is an opaque type. An escaped index of 0 is a |
---|
1116 | struct return type of a procedure compiled without -g. */ |
---|
1117 | if (ifd == 0xffffffff |
---|
1118 | || (u.rndx.rfd == ST_RFDESCAPE && index == 0)) |
---|
1119 | name = "<undefined>"; |
---|
1120 | else if (index == indexNil) |
---|
1121 | name = "<no name>"; |
---|
1122 | else |
---|
1123 | { |
---|
1124 | if (fdp == 0 || sym_hdr.crfd == 0) |
---|
1125 | fdp = &file_desc[ifd]; |
---|
1126 | else |
---|
1127 | fdp = &file_desc[rfile_desc[fdp->rfdBase + ifd]]; |
---|
1128 | name = &l_strings[fdp->issBase + l_symbols[index + fdp->isymBase].iss]; |
---|
1129 | } |
---|
1130 | |
---|
1131 | sprintf (string, |
---|
1132 | "%s %s { ifd = %u, index = %u }", |
---|
1133 | which, name, ifd, index); |
---|
1134 | } |
---|
1135 | |
---|
1136 | |
---|
1137 | /* Print out information about a file descriptor, and the symbols, |
---|
1138 | procedures, and line numbers within it. */ |
---|
1139 | |
---|
1140 | void |
---|
1141 | print_file_desc (fdp, number) |
---|
1142 | FDR *fdp; |
---|
1143 | int number; |
---|
1144 | { |
---|
1145 | char *str_base; |
---|
1146 | AUXU *aux_base; |
---|
1147 | int symi, pdi; |
---|
1148 | int width = 20; |
---|
1149 | char *used_base; |
---|
1150 | |
---|
1151 | str_base = l_strings + fdp->issBase; |
---|
1152 | aux_base = aux_symbols + fdp->iauxBase; |
---|
1153 | used_base = aux_used + (aux_base - aux_symbols); |
---|
1154 | |
---|
1155 | printf ("\nFile #%d, \"%s\"\n\n", number, str_base + fdp->rss); |
---|
1156 | |
---|
1157 | printf (" Name index = %-10ld Readin = %s\n", |
---|
1158 | (long) fdp->rss, (fdp->fReadin) ? "Yes" : "No"); |
---|
1159 | |
---|
1160 | printf (" Merge = %-10s Endian = %s\n", |
---|
1161 | (fdp->fMerge) ? "Yes" : "No", |
---|
1162 | (fdp->fBigendian) ? "BIG" : "LITTLE"); |
---|
1163 | |
---|
1164 | printf (" Debug level = %-10s Language = %s\n", |
---|
1165 | glevel_to_string (fdp->glevel), |
---|
1166 | lang_to_string((lang_t) fdp->lang)); |
---|
1167 | |
---|
1168 | printf (" Adr = 0x%08lx\n\n", (long) fdp->adr); |
---|
1169 | |
---|
1170 | printf(" %-*s %11s %11s %11s %11s\n", width, "Info", "Start", "Number", "Size", "Offset"); |
---|
1171 | printf(" %-*s %11s %11s %11s %11s\n", width, "====", "=====", "======", "====", "======"); |
---|
1172 | |
---|
1173 | printf(" %-*s %11lu %11lu %11lu %11lu\n", |
---|
1174 | width, "Local strings", |
---|
1175 | (ulong) fdp->issBase, |
---|
1176 | (ulong) fdp->cbSs, |
---|
1177 | (ulong) fdp->cbSs, |
---|
1178 | (ulong) (fdp->issBase + sym_hdr.cbSsOffset)); |
---|
1179 | |
---|
1180 | printf(" %-*s %11lu %11lu %11lu %11lu\n", |
---|
1181 | width, "Local symbols", |
---|
1182 | (ulong) fdp->isymBase, |
---|
1183 | (ulong) fdp->csym, |
---|
1184 | (ulong) (fdp->csym * sizeof (SYMR)), |
---|
1185 | (ulong) (fdp->isymBase * sizeof (SYMR) + sym_hdr.cbSymOffset)); |
---|
1186 | |
---|
1187 | printf(" %-*s %11lu %11lu %11lu %11lu\n", |
---|
1188 | width, "Line numbers", |
---|
1189 | (ulong) fdp->cbLineOffset, |
---|
1190 | (ulong) fdp->cline, |
---|
1191 | (ulong) fdp->cbLine, |
---|
1192 | (ulong) (fdp->cbLineOffset + sym_hdr.cbLineOffset)); |
---|
1193 | |
---|
1194 | printf(" %-*s %11lu %11lu %11lu %11lu\n", |
---|
1195 | width, "Optimization symbols", |
---|
1196 | (ulong) fdp->ioptBase, |
---|
1197 | (ulong) fdp->copt, |
---|
1198 | (ulong) (fdp->copt * sizeof (OPTR)), |
---|
1199 | (ulong) (fdp->ioptBase * sizeof (OPTR) + sym_hdr.cbOptOffset)); |
---|
1200 | |
---|
1201 | printf(" %-*s %11lu %11lu %11lu %11lu\n", |
---|
1202 | width, "Procedures", |
---|
1203 | (ulong) fdp->ipdFirst, |
---|
1204 | (ulong) fdp->cpd, |
---|
1205 | (ulong) (fdp->cpd * sizeof (PDR)), |
---|
1206 | (ulong) (fdp->ipdFirst * sizeof (PDR) + sym_hdr.cbPdOffset)); |
---|
1207 | |
---|
1208 | printf(" %-*s %11lu %11lu %11lu %11lu\n", |
---|
1209 | width, "Auxiliary symbols", |
---|
1210 | (ulong) fdp->iauxBase, |
---|
1211 | (ulong) fdp->caux, |
---|
1212 | (ulong) (fdp->caux * sizeof (AUXU)), |
---|
1213 | (ulong) (fdp->iauxBase * sizeof(AUXU) + sym_hdr.cbAuxOffset)); |
---|
1214 | |
---|
1215 | printf(" %-*s %11lu %11lu %11lu %11lu\n", |
---|
1216 | width, "Relative Files", |
---|
1217 | (ulong) fdp->rfdBase, |
---|
1218 | (ulong) fdp->crfd, |
---|
1219 | (ulong) (fdp->crfd * sizeof (ulong)), |
---|
1220 | (ulong) (fdp->rfdBase * sizeof(ulong) + sym_hdr.cbRfdOffset)); |
---|
1221 | |
---|
1222 | |
---|
1223 | if (want_scope && cur_scope != (scope_t *)0) |
---|
1224 | printf ("\n Warning scope does not start at 0!\n"); |
---|
1225 | |
---|
1226 | /* |
---|
1227 | * print the info about the symbol table. |
---|
1228 | */ |
---|
1229 | printf ("\n There are %lu local symbols, starting at %lu\n", |
---|
1230 | (ulong) fdp->csym, |
---|
1231 | (ulong) (fdp->isymBase + sym_hdr.cbSymOffset)); |
---|
1232 | |
---|
1233 | for(symi = fdp->isymBase; symi < (fdp->csym + fdp->isymBase); symi++) |
---|
1234 | print_symbol (&l_symbols[symi], |
---|
1235 | symi - fdp->isymBase, |
---|
1236 | str_base, |
---|
1237 | aux_base, |
---|
1238 | -1, |
---|
1239 | fdp); |
---|
1240 | |
---|
1241 | if (want_scope && cur_scope != (scope_t *)0) |
---|
1242 | printf ("\n Warning scope does not end at 0!\n"); |
---|
1243 | |
---|
1244 | /* |
---|
1245 | * print the aux. table if desired. |
---|
1246 | */ |
---|
1247 | |
---|
1248 | if (want_aux && fdp->caux != 0) |
---|
1249 | { |
---|
1250 | int auxi; |
---|
1251 | |
---|
1252 | printf ("\n There are %lu auxiliary table entries, starting at %lu.\n\n", |
---|
1253 | (ulong) fdp->caux, |
---|
1254 | (ulong) (fdp->iauxBase + sym_hdr.cbAuxOffset)); |
---|
1255 | |
---|
1256 | for (auxi = fdp->iauxBase; auxi < (fdp->caux + fdp->iauxBase); auxi++) |
---|
1257 | print_aux (aux_base[auxi], auxi, used_base[auxi]); |
---|
1258 | } |
---|
1259 | |
---|
1260 | /* |
---|
1261 | * print the relative file descriptors. |
---|
1262 | */ |
---|
1263 | if (want_rfd && fdp->crfd != 0) |
---|
1264 | { |
---|
1265 | ulong *rfd_ptr, i; |
---|
1266 | |
---|
1267 | printf ("\n There are %lu relative file descriptors, starting at %lu.\n", |
---|
1268 | (ulong) fdp->crfd, |
---|
1269 | (ulong) fdp->rfdBase); |
---|
1270 | |
---|
1271 | rfd_ptr = rfile_desc + fdp->rfdBase; |
---|
1272 | for (i = 0; i < fdp->crfd; i++) |
---|
1273 | { |
---|
1274 | printf ("\t#%-5ld %11ld, 0x%08lx\n", i, *rfd_ptr, *rfd_ptr); |
---|
1275 | rfd_ptr++; |
---|
1276 | } |
---|
1277 | } |
---|
1278 | |
---|
1279 | /* |
---|
1280 | * do the procedure descriptors. |
---|
1281 | */ |
---|
1282 | printf ("\n There are %lu procedure descriptor entries, ", (ulong) fdp->cpd); |
---|
1283 | printf ("starting at %lu.\n", (ulong) fdp->ipdFirst); |
---|
1284 | |
---|
1285 | for (pdi = fdp->ipdFirst; pdi < (fdp->cpd + fdp->ipdFirst); pdi++) |
---|
1286 | { |
---|
1287 | PDR *proc_ptr = &proc_desc[pdi]; |
---|
1288 | printf ("\n\tProcedure descriptor %d:\n", (pdi - fdp->ipdFirst)); |
---|
1289 | |
---|
1290 | printf ("\t Name index = %-11ld Name = \"%s\"\n", |
---|
1291 | (long) l_symbols[proc_ptr->isym + fdp->isymBase].iss, |
---|
1292 | l_symbols[proc_ptr->isym + fdp->isymBase].iss + str_base); |
---|
1293 | |
---|
1294 | printf ("\t .mask 0x%08lx,%-9ld .fmask 0x%08lx,%ld\n", |
---|
1295 | (long) proc_ptr->regmask, |
---|
1296 | (long) proc_ptr->regoffset, |
---|
1297 | (long) proc_ptr->fregmask, |
---|
1298 | (long) proc_ptr->fregoffset); |
---|
1299 | |
---|
1300 | printf ("\t .frame $%d,%ld,$%d\n", |
---|
1301 | (int) proc_ptr->framereg, |
---|
1302 | (long) proc_ptr->frameoffset, |
---|
1303 | (int) proc_ptr->pcreg); |
---|
1304 | |
---|
1305 | printf ("\t Opt. start = %-11ld Symbols start = %ld\n", |
---|
1306 | (long) proc_ptr->iopt, |
---|
1307 | (long) proc_ptr->isym); |
---|
1308 | |
---|
1309 | printf ("\t First line # = %-11ld Last line # = %ld\n", |
---|
1310 | (long) proc_ptr->lnLow, |
---|
1311 | (long) proc_ptr->lnHigh); |
---|
1312 | |
---|
1313 | printf ("\t Line Offset = %-11ld Address = 0x%08lx\n", |
---|
1314 | (long) proc_ptr->cbLineOffset, |
---|
1315 | (long) proc_ptr->adr); |
---|
1316 | |
---|
1317 | /* |
---|
1318 | * print the line number entries. |
---|
1319 | */ |
---|
1320 | |
---|
1321 | if (want_line && fdp->cline != 0) |
---|
1322 | { |
---|
1323 | int delta, count; |
---|
1324 | long cur_line = proc_ptr->lnLow; |
---|
1325 | uchar *line_ptr = (((uchar *)lines) + proc_ptr->cbLineOffset |
---|
1326 | + fdp->cbLineOffset); |
---|
1327 | uchar *line_end; |
---|
1328 | |
---|
1329 | if (pdi == fdp->cpd + fdp->ipdFirst - 1) /* last procedure */ |
---|
1330 | line_end = ((uchar *)lines) + fdp->cbLine + fdp->cbLineOffset; |
---|
1331 | else /* not last proc. */ |
---|
1332 | line_end = (((uchar *)lines) + proc_desc[pdi+1].cbLineOffset |
---|
1333 | + fdp->cbLineOffset); |
---|
1334 | |
---|
1335 | printf ("\n\tThere are %lu bytes holding line numbers, starting at %lu.\n", |
---|
1336 | (ulong) (line_end - line_ptr), |
---|
1337 | (ulong) (fdp->ilineBase + sym_hdr.cbLineOffset)); |
---|
1338 | |
---|
1339 | while (line_ptr < line_end) |
---|
1340 | { /* sign extend nibble */ |
---|
1341 | delta = ((*line_ptr >> 4) ^ 0x8) - 0x8; |
---|
1342 | count = (*line_ptr & 0xf) + 1; |
---|
1343 | if (delta != -8) |
---|
1344 | line_ptr++; |
---|
1345 | else |
---|
1346 | { |
---|
1347 | delta = (((line_ptr[1]) & 0xff) << 8) + ((line_ptr[2]) & 0xff); |
---|
1348 | delta = (delta ^ 0x8000) - 0x8000; |
---|
1349 | line_ptr += 3; |
---|
1350 | } |
---|
1351 | |
---|
1352 | cur_line += delta; |
---|
1353 | printf ("\t Line %11ld, delta %5d, count %2d\n", |
---|
1354 | cur_line, |
---|
1355 | delta, |
---|
1356 | count); |
---|
1357 | } |
---|
1358 | } |
---|
1359 | } |
---|
1360 | } |
---|
1361 | |
---|
1362 | |
---|
1363 | /* Read in the portions of the .T file that we will print out. */ |
---|
1364 | |
---|
1365 | void |
---|
1366 | read_tfile __proto((void)) |
---|
1367 | { |
---|
1368 | short magic; |
---|
1369 | off_t sym_hdr_offset = 0; |
---|
1370 | |
---|
1371 | (void) read_seek ((PTR_T) &magic, sizeof (magic), (off_t)0, "Magic number"); |
---|
1372 | if (!tfile) |
---|
1373 | { |
---|
1374 | /* Print out the global header, since this is not a T-file. */ |
---|
1375 | |
---|
1376 | (void) read_seek ((PTR_T) &global_hdr, sizeof (global_hdr), (off_t)0, |
---|
1377 | "Global file header"); |
---|
1378 | |
---|
1379 | print_global_hdr (&global_hdr); |
---|
1380 | |
---|
1381 | if (global_hdr.f_symptr == 0) |
---|
1382 | { |
---|
1383 | printf ("No symbolic header, Goodbye!\n"); |
---|
1384 | exit (1); |
---|
1385 | } |
---|
1386 | |
---|
1387 | sym_hdr_offset = global_hdr.f_symptr; |
---|
1388 | } |
---|
1389 | |
---|
1390 | (void) read_seek ((PTR_T) &sym_hdr, |
---|
1391 | sizeof (sym_hdr), |
---|
1392 | sym_hdr_offset, |
---|
1393 | "Symbolic header"); |
---|
1394 | |
---|
1395 | print_sym_hdr (&sym_hdr); |
---|
1396 | |
---|
1397 | lines = (LINER *) read_seek ((PTR_T)0, |
---|
1398 | sym_hdr.cbLine, |
---|
1399 | sym_hdr.cbLineOffset, |
---|
1400 | "Line numbers"); |
---|
1401 | |
---|
1402 | dense_nums = (DNR *) read_seek ((PTR_T)0, |
---|
1403 | sym_hdr.idnMax * sizeof (DNR), |
---|
1404 | sym_hdr.cbDnOffset, |
---|
1405 | "Dense numbers"); |
---|
1406 | |
---|
1407 | proc_desc = (PDR *) read_seek ((PTR_T)0, |
---|
1408 | sym_hdr.ipdMax * sizeof (PDR), |
---|
1409 | sym_hdr.cbPdOffset, |
---|
1410 | "Procedure tables"); |
---|
1411 | |
---|
1412 | l_symbols = (SYMR *) read_seek ((PTR_T)0, |
---|
1413 | sym_hdr.isymMax * sizeof (SYMR), |
---|
1414 | sym_hdr.cbSymOffset, |
---|
1415 | "Local symbols"); |
---|
1416 | |
---|
1417 | opt_symbols = (OPTR *) read_seek ((PTR_T)0, |
---|
1418 | sym_hdr.ioptMax * sizeof (OPTR), |
---|
1419 | sym_hdr.cbOptOffset, |
---|
1420 | "Optimization symbols"); |
---|
1421 | |
---|
1422 | aux_symbols = (AUXU *) read_seek ((PTR_T)0, |
---|
1423 | sym_hdr.iauxMax * sizeof (AUXU), |
---|
1424 | sym_hdr.cbAuxOffset, |
---|
1425 | "Auxiliary symbols"); |
---|
1426 | |
---|
1427 | if (sym_hdr.iauxMax > 0) |
---|
1428 | { |
---|
1429 | aux_used = calloc (sym_hdr.iauxMax, 1); |
---|
1430 | if (aux_used == (char *)0) |
---|
1431 | { |
---|
1432 | perror ("calloc"); |
---|
1433 | exit (1); |
---|
1434 | } |
---|
1435 | } |
---|
1436 | |
---|
1437 | l_strings = (char *) read_seek ((PTR_T)0, |
---|
1438 | sym_hdr.issMax, |
---|
1439 | sym_hdr.cbSsOffset, |
---|
1440 | "Local string table"); |
---|
1441 | |
---|
1442 | e_strings = (char *) read_seek ((PTR_T)0, |
---|
1443 | sym_hdr.issExtMax, |
---|
1444 | sym_hdr.cbSsExtOffset, |
---|
1445 | "External string table"); |
---|
1446 | |
---|
1447 | file_desc = (FDR *) read_seek ((PTR_T)0, |
---|
1448 | sym_hdr.ifdMax * sizeof (FDR), |
---|
1449 | sym_hdr.cbFdOffset, |
---|
1450 | "File tables"); |
---|
1451 | |
---|
1452 | rfile_desc = (ulong *) read_seek ((PTR_T)0, |
---|
1453 | sym_hdr.crfd * sizeof (ulong), |
---|
1454 | sym_hdr.cbRfdOffset, |
---|
1455 | "Relative file tables"); |
---|
1456 | |
---|
1457 | e_symbols = (EXTR *) read_seek ((PTR_T)0, |
---|
1458 | sym_hdr.iextMax * sizeof (EXTR), |
---|
1459 | sym_hdr.cbExtOffset, |
---|
1460 | "External symbols"); |
---|
1461 | } |
---|
1462 | |
---|
1463 | |
---|
1464 | |
---|
1465 | int |
---|
1466 | main (argc, argv) |
---|
1467 | int argc; |
---|
1468 | char **argv; |
---|
1469 | { |
---|
1470 | int i, opt; |
---|
1471 | |
---|
1472 | /* |
---|
1473 | * Process arguments |
---|
1474 | */ |
---|
1475 | while ((opt = getopt (argc, argv, "alrst")) != EOF) |
---|
1476 | switch (opt) |
---|
1477 | { |
---|
1478 | default: errors++; break; |
---|
1479 | case 'a': want_aux++; break; /* print aux table */ |
---|
1480 | case 'l': want_line++; break; /* print line numbers */ |
---|
1481 | case 'r': want_rfd++; break; /* print relative fd's */ |
---|
1482 | case 's': want_scope++; break; /* print scope info */ |
---|
1483 | case 't': tfile++; break; /* this is a tfile (without header), and not a .o */ |
---|
1484 | } |
---|
1485 | |
---|
1486 | if (errors || optind != argc - 1) |
---|
1487 | { |
---|
1488 | fprintf (stderr, "Calling Sequence:\n"); |
---|
1489 | fprintf (stderr, "\t%s [-alrst] <object-or-T-file>\n", argv[0]); |
---|
1490 | fprintf (stderr, "\n"); |
---|
1491 | fprintf (stderr, "switches:\n"); |
---|
1492 | fprintf (stderr, "\t-a Print out auxiliary table.\n"); |
---|
1493 | fprintf (stderr, "\t-l Print out line numbers.\n"); |
---|
1494 | fprintf (stderr, "\t-r Print out relative file descriptors.\n"); |
---|
1495 | fprintf (stderr, "\t-s Print out the current scopes for an item.\n"); |
---|
1496 | fprintf (stderr, "\t-t Assume there is no global header (ie, a T-file).\n"); |
---|
1497 | return 1; |
---|
1498 | } |
---|
1499 | |
---|
1500 | /* |
---|
1501 | * Open and process the input file. |
---|
1502 | */ |
---|
1503 | tfile_fd = open (argv[optind], O_RDONLY); |
---|
1504 | if (tfile_fd < 0) |
---|
1505 | { |
---|
1506 | perror (argv[optind]); |
---|
1507 | return 1; |
---|
1508 | } |
---|
1509 | |
---|
1510 | read_tfile (); |
---|
1511 | |
---|
1512 | /* |
---|
1513 | * Print any global aux words if any. |
---|
1514 | */ |
---|
1515 | if (want_aux) |
---|
1516 | { |
---|
1517 | long last_aux_in_use; |
---|
1518 | |
---|
1519 | if (sym_hdr.ifdMax != 0 && file_desc[0].iauxBase != 0) |
---|
1520 | { |
---|
1521 | printf ("\nGlobal auxiliary entries before first file:\n"); |
---|
1522 | for (i = 0; i < file_desc[0].iauxBase; i++) |
---|
1523 | print_aux (aux_symbols[i], 0, aux_used[i]); |
---|
1524 | } |
---|
1525 | |
---|
1526 | if (sym_hdr.ifdMax == 0) |
---|
1527 | last_aux_in_use = 0; |
---|
1528 | else |
---|
1529 | last_aux_in_use = |
---|
1530 | file_desc[sym_hdr.ifdMax-1].iauxBase + |
---|
1531 | file_desc[sym_hdr.ifdMax-1].caux - 1; |
---|
1532 | |
---|
1533 | if (last_aux_in_use < sym_hdr.iauxMax-1) |
---|
1534 | { |
---|
1535 | printf ("\nGlobal auxiliary entries after last file:\n"); |
---|
1536 | for (i = last_aux_in_use; i < sym_hdr.iauxMax; i++) |
---|
1537 | print_aux (aux_symbols[i], i - last_aux_in_use, aux_used[i]); |
---|
1538 | } |
---|
1539 | } |
---|
1540 | |
---|
1541 | /* |
---|
1542 | * Print the information for each file. |
---|
1543 | */ |
---|
1544 | for (i = 0; i < sym_hdr.ifdMax; i++) |
---|
1545 | print_file_desc (&file_desc[i], i); |
---|
1546 | |
---|
1547 | /* |
---|
1548 | * Print the external symbols. |
---|
1549 | */ |
---|
1550 | want_scope = 0; /* scope info is meaning for extern symbols */ |
---|
1551 | printf ("\nThere are %lu external symbols, starting at %lu\n", |
---|
1552 | (ulong) sym_hdr.iextMax, |
---|
1553 | (ulong) sym_hdr.cbExtOffset); |
---|
1554 | |
---|
1555 | for(i = 0; i < sym_hdr.iextMax; i++) |
---|
1556 | print_symbol (&e_symbols[i].asym, i, e_strings, |
---|
1557 | aux_symbols + file_desc[e_symbols[i].ifd].iauxBase, |
---|
1558 | e_symbols[i].ifd, |
---|
1559 | &file_desc[e_symbols[i].ifd]); |
---|
1560 | |
---|
1561 | /* |
---|
1562 | * Print unused aux symbols now. |
---|
1563 | */ |
---|
1564 | |
---|
1565 | if (want_aux) |
---|
1566 | { |
---|
1567 | int first_time = 1; |
---|
1568 | |
---|
1569 | for (i = 0; i < sym_hdr.iauxMax; i++) |
---|
1570 | { |
---|
1571 | if (! aux_used[i]) |
---|
1572 | { |
---|
1573 | if (first_time) |
---|
1574 | { |
---|
1575 | printf ("\nThe following auxiliary table entries were unused:\n\n"); |
---|
1576 | first_time = 0; |
---|
1577 | } |
---|
1578 | |
---|
1579 | printf (" #%-5d %11ld 0x%08lx %s\n", |
---|
1580 | i, |
---|
1581 | (long) aux_symbols[i].isym, |
---|
1582 | (long) aux_symbols[i].isym, |
---|
1583 | type_to_string (aux_symbols, i, (FDR *) 0)); |
---|
1584 | } |
---|
1585 | } |
---|
1586 | } |
---|
1587 | |
---|
1588 | return 0; |
---|
1589 | } |
---|
1590 | |
---|
1591 | |
---|
1592 | void |
---|
1593 | fancy_abort () |
---|
1594 | { |
---|
1595 | fprintf (stderr, "mips-tdump internal error"); |
---|
1596 | exit (1); |
---|
1597 | } |
---|
1598 | |
---|
1599 | void |
---|
1600 | fatal(s) |
---|
1601 | char *s; |
---|
1602 | { |
---|
1603 | fprintf(stderr, "%s\n", s); |
---|
1604 | exit(1); |
---|
1605 | } |
---|
1606 | |
---|
1607 | /* Same as `malloc' but report error if no memory available. */ |
---|
1608 | |
---|
1609 | PTR_T |
---|
1610 | xmalloc (size) |
---|
1611 | unsigned size; |
---|
1612 | { |
---|
1613 | register PTR_T value = malloc (size); |
---|
1614 | if (value == 0) |
---|
1615 | fatal ("Virtual memory exhausted."); |
---|
1616 | return value; |
---|
1617 | } |
---|