1 | /* $Id: DBGPlugInSolaris.cpp 9474 2008-06-06 13:03:50Z vboxsync $ */
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2 | /** @file
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3 | * DBGPlugInSolaris - Debugger and Guest OS Digger Plugin For Solaris.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2008 Sun Microsystems, Inc.
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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19 | * additional information or have any questions.
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20 | */
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21 |
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22 |
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23 | /*******************************************************************************
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24 | * Header Files *
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25 | *******************************************************************************/
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26 | #define LOG_GROUP LOG_GROUP_DBGF ///@todo add new log group.
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27 | #include "DBGPlugIns.h"
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28 | #include "DBGPlugInCommonELF.h"
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29 | #include <VBox/dbgf.h>
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30 | #include <iprt/string.h>
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31 | #include <iprt/mem.h>
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32 | #include <iprt/stream.h>
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33 |
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34 |
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35 | /*******************************************************************************
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36 | * Structures and Typedefs *
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37 | *******************************************************************************/
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38 |
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39 | /** @name InternalSolaris structures
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40 | * @{ */
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41 |
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42 | typedef struct SOL32_modctl
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43 | {
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44 | uint32_t mod_next; /**< 0 */
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45 | uint32_t mod_prev; /**< 4 */
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46 | int32_t mod_id; /**< 8 */
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47 | uint32_t mod_mp; /**< c Pointer to the kernel runtime loader bits. */
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48 | uint32_t mod_inprogress_thread; /**< 10 */
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49 | uint32_t mod_modinfo; /**< 14 */
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50 | uint32_t mod_linkage; /**< 18 */
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51 | uint32_t mod_filename; /**< 1c */
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52 | uint32_t mod_modname; /**< 20 */
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53 | int8_t mod_busy; /**< 24 */
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54 | int8_t mod_want; /**< 25 */
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55 | int8_t mod_prim; /**< 26 this is 1 for 'unix' and a few others. */
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56 | int8_t mod_unused_padding; /**< 27 */
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57 | int32_t mod_ref; /**< 28 */
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58 | int8_t mod_loaded; /**< 2c */
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59 | int8_t mod_installed; /**< 2d */
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60 | int8_t mod_loadflags; /**< 2e */
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61 | int8_t mod_delay_unload; /**< 2f */
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62 | uint32_t mod_requisites; /**< 30 */
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63 | uint32_t mod___unused; /**< 34 */
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64 | int32_t mod_loadcnt; /**< 38 */
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65 | int32_t mod_nenabled; /**< 3c */
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66 | uint32_t mod_text; /**< 40 */
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67 | uint32_t mod_text_size; /**< 44 */
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68 | int32_t mod_gencount; /**< 48 */
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69 | uint32_t mod_requisite_loading; /**< 4c */
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70 | } SOL32_modctl_t;
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71 | AssertCompileSize(SOL32_modctl_t, 0x50);
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72 |
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73 | typedef struct SOL32_module
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74 | {
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75 | int32_t total_allocated; /**< 0 */
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76 | Elf32_Ehdr hdr; /**< 4 Easy to validate */
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77 | uint32_t shdrs; /**< 38 */
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78 | uint32_t symhdr; /**< 3c */
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79 | uint32_t strhdr; /**< 40 */
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80 | uint32_t depends_on; /**< 44 */
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81 | uint32_t symsize; /**< 48 */
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82 | uint32_t symspace; /**< 4c */
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83 | int32_t flags; /**< 50 */
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84 | uint32_t text_size; /**< 54 */
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85 | uint32_t data_size; /**< 58 */
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86 | uint32_t text; /**< 5c */
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87 | uint32_t data; /**< 60 */
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88 | uint32_t symtbl_section; /**< 64 */
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89 | uint32_t symtbl; /**< 68 */
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90 | uint32_t strings; /**< 6c */
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91 | uint32_t hashsize; /**< 70 */
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92 | uint32_t buckets; /**< 74 */
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93 | uint32_t chains; /**< 78 */
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94 | uint32_t nsyms; /**< 7c */
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95 | uint32_t bss_align; /**< 80 */
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96 | uint32_t bss_size; /**< 84 */
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97 | uint32_t bss; /**< 88 */
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98 | uint32_t filename; /**< 8c */
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99 | uint32_t head; /**< 90 */
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100 | uint32_t tail; /**< 94 */
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101 | uint32_t destination; /**< 98 */
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102 | uint32_t machdata; /**< 9c */
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103 | uint32_t ctfdata; /**< a0 */
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104 | uint32_t ctfsize; /**< a4 */
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105 | uint32_t fbt_tab; /**< a8 */
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106 | uint32_t fbt_size; /**< ac */
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107 | uint32_t fbt_nentries; /**< b0 */
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108 | uint32_t textwin; /**< b4 */
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109 | uint32_t textwin_base; /**< b8 */
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110 | uint32_t sdt_probes; /**< bc */
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111 | uint32_t sdt_nprobes; /**< c0 */
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112 | uint32_t sdt_tab; /**< c4 */
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113 | uint32_t sdt_size; /**< c8 */
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114 | uint32_t sigdata; /**< cc */
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115 | uint32_t sigsize; /**< d0 */
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116 | } SOL32_module_t;
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117 | AssertCompileSize(Elf32_Ehdr, 0x34);
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118 | AssertCompileSize(SOL32_module_t, 0xd4);
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119 |
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120 | typedef struct SOL_utsname
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121 | {
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122 | char sysname[257];
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123 | char nodename[257];
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124 | char release[257];
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125 | char version[257];
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126 | char machine[257];
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127 | } SOL_utsname_t;
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128 | AssertCompileSize(SOL_utsname_t, 5 * 257);
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129 |
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130 | /** @} */
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131 |
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132 |
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133 | /**
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134 | * Solaris guest OS digger instance data.
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135 | */
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136 | typedef struct DBGDIGGERSOLARIS
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137 | {
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138 | /** Whether the information is valid or not.
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139 | * (For fending off illegal interface method calls.) */
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140 | bool fValid;
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141 |
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142 | /** Address of the 'unix' text segment.
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143 | * This is set during probing. */
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144 | DBGFADDRESS AddrUnixText;
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145 | /** Address of the 'unix' text segment.
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146 | * This is set during probing. */
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147 | DBGFADDRESS AddrUnixData;
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148 | /** Address of the 'unix' modctl_t (aka modules). */
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149 | DBGFADDRESS AddrUnixModCtl;
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150 |
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151 | } DBGDIGGERSOLARIS;
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152 | /** Pointer to the solaris guest OS digger instance data. */
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153 | typedef DBGDIGGERSOLARIS *PDBGDIGGERSOLARIS;
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154 |
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155 |
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156 | /*******************************************************************************
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157 | * Defined Constants And Macros *
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158 | *******************************************************************************/
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159 | /** Validates a 32-bit solaris kernel address */
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160 | #define SOL32_VALID_ADDRESS(Addr) ((Addr) > UINT32_C(0x80000000) && (Addr) < UINT32_C(0xfffff000))
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161 |
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162 | /** The max data segment size of the 'unix' module. */
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163 | #define SOL_UNIX_MAX_DATA_SEG_SIZE 0x01000000
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164 |
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165 |
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166 | /*******************************************************************************
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167 | * Internal Functions *
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168 | *******************************************************************************/
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169 | static DECLCALLBACK(int) dbgDiggerSolarisInit(PVM pVM, void *pvData);
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170 |
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171 |
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172 |
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173 | /**
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174 | * @copydoc DBGFOSREG::pfnQueryInterface
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175 | */
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176 | static DECLCALLBACK(void *) dbgDiggerSolarisQueryInterface(PVM pVM, void *pvData, DBGFOSINTERFACE enmIf)
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177 | {
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178 | return NULL;
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179 | }
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180 |
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181 |
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182 | /**
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183 | * @copydoc DBGFOSREG::pfnQueryVersion
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184 | */
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185 | static DECLCALLBACK(int) dbgDiggerSolarisQueryVersion(PVM pVM, void *pvData, char *pszVersion, size_t cchVersion)
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186 | {
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187 | PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
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188 | Assert(pThis->fValid);
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189 |
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190 | /*
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191 | * It's all in the utsname symbol...
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192 | */
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193 | DBGFADDRESS Addr;
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194 | SOL_utsname_t UtsName;
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195 | DBGFSYMBOL SymUtsName;
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196 | int rc = DBGFR3SymbolByName(pVM, "utsname", &SymUtsName);
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197 | if (RT_SUCCESS(rc))
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198 | rc = DBGFR3MemRead(pVM, DBGFR3AddrFromFlat(pVM, &Addr, SymUtsName.Value), &UtsName, sizeof(UtsName));
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199 | if (RT_FAILURE(rc))
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200 | {
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201 | /*
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202 | * Try searching by the name...
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203 | */
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204 | memset(&UtsName, '\0', sizeof(UtsName));
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205 | strcpy(&UtsName.sysname[0], "SunOS");
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206 | rc = DBGFR3MemScan(pVM, &pThis->AddrUnixData, SOL_UNIX_MAX_DATA_SEG_SIZE,
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207 | (uint8_t *)&UtsName.sysname[0], sizeof(UtsName.sysname), &Addr);
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208 | if (RT_SUCCESS(rc))
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209 | rc = DBGFR3MemRead(pVM, DBGFR3AddrFromFlat(pVM, &Addr, Addr.FlatPtr - RT_OFFSETOF(SOL_utsname_t, sysname)),
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210 | &UtsName, sizeof(UtsName));
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211 | }
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212 |
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213 | /*
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214 | * Copy out the result (if any).
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215 | */
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216 | if (RT_SUCCESS(rc))
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217 | {
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218 | if ( UtsName.nodename[-1] != '\0'
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219 | || UtsName.release[-1] != '\0'
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220 | || UtsName.version[-1] != '\0'
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221 | || UtsName.machine[-1] != '\0'
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222 | || UtsName.machine[sizeof(UtsName.machine) - 1] != '\0')
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223 | {
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224 | //rc = VERR_DBGF_UNEXPECTED_OS_DATA;
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225 | rc = VERR_GENERAL_FAILURE;
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226 | RTStrPrintf(pszVersion, cchVersion, "failed - bogus utsname");
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227 | }
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228 | else
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229 | RTStrPrintf(pszVersion, cchVersion, "%s %s", UtsName.version, UtsName.release);
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230 | }
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231 | else
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232 | RTStrPrintf(pszVersion, cchVersion, "failed - %Rrc", rc);
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233 |
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234 | return rc;
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235 | }
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236 |
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237 |
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238 |
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239 | /**
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240 | * Processes a modctl_t.
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241 | *
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242 | * @param pVM The VM handle.
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243 | * @param pThis Our instance data.
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244 | * @param pModCtl Pointer to the modctl structure.
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245 | */
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246 | static void dbgDiggerSolarisProcessModCtl(PVM pVM, PDBGDIGGERSOLARIS pThis, SOL32_modctl_t const *pModCtl)
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247 | {
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248 | /* skip it if it's not loaded and installed */
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249 | if ( !pModCtl->mod_loaded
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250 | || !pModCtl->mod_installed)
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251 | return;
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252 |
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253 | /*
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254 | * Read the module and file names first
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255 | */
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256 | char szModName[64];
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257 | DBGFADDRESS Addr;
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258 | int rc = DBGFR3MemReadString(pVM, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->mod_modname), szModName, sizeof(szModName));
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259 | if (RT_FAILURE(rc))
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260 | return;
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261 | if (!memchr(szModName, '\0', sizeof(szModName)))
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262 | szModName[sizeof(szModName) - 1] = '\0';
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263 |
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264 | char szFilename[256];
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265 | rc = DBGFR3MemReadString(pVM, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->mod_filename), szFilename, sizeof(szFilename));
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266 | if (RT_FAILURE(rc))
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267 | strcpy(szFilename, szModName);
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268 | else if (!memchr(szFilename, '\0', sizeof(szFilename)))
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269 | szFilename[sizeof(szFilename) - 1] = '\0';
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270 |
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271 | /*
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272 | * Then read the module struct and validate it.
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273 | */
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274 | struct SOL32_module Module;
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275 | rc = DBGFR3MemRead(pVM, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->mod_mp), &Module, sizeof(Module));
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276 | if (RT_FAILURE(rc))
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277 | return;
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278 |
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279 | /* Basic validations of the elf header. */
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280 | if ( Module.hdr.e_ident[EI_MAG0] != ELFMAG0
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281 | || Module.hdr.e_ident[EI_MAG1] != ELFMAG1
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282 | || Module.hdr.e_ident[EI_MAG2] != ELFMAG2
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283 | || Module.hdr.e_ident[EI_MAG3] != ELFMAG3
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284 | || Module.hdr.e_ident[EI_CLASS] != ELFCLASS32
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285 | || Module.hdr.e_ident[EI_DATA] != ELFDATA2LSB
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286 | || Module.hdr.e_ident[EI_VERSION] != EV_CURRENT
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287 | || ASMMemIsAll8(&Module.hdr.e_ident[EI_PAD], EI_NIDENT - EI_PAD, 0) != NULL
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288 | )
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289 | return;
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290 | if (Module.hdr.e_version != EV_CURRENT)
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291 | return;
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292 | if (Module.hdr.e_ehsize != sizeof(Module.hdr))
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293 | return;
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294 | if ( Module.hdr.e_type != ET_DYN
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295 | && Module.hdr.e_type != ET_REL
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296 | && Module.hdr.e_type != ET_EXEC) //??
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297 | return;
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298 | if ( Module.hdr.e_machine != EM_386
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299 | && Module.hdr.e_machine != EM_486)
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300 | return;
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301 | if ( Module.hdr.e_phentsize != sizeof(Elf32_Phdr)
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302 | && Module.hdr.e_phentsize) //??
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303 | return;
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304 | if (Module.hdr.e_shentsize != sizeof(Elf32_Shdr))
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305 | return;
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306 |
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307 | if (Module.hdr.e_shentsize != sizeof(Elf32_Shdr))
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308 | return;
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309 |
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310 | /* Basic validations of the rest of the stuff. */
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311 | if ( !SOL32_VALID_ADDRESS(Module.shdrs)
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312 | || !SOL32_VALID_ADDRESS(Module.symhdr)
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313 | || !SOL32_VALID_ADDRESS(Module.strhdr)
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314 | || (!SOL32_VALID_ADDRESS(Module.symspace) && Module.symspace)
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315 | || !SOL32_VALID_ADDRESS(Module.text)
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316 | || !SOL32_VALID_ADDRESS(Module.data)
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317 | || (!SOL32_VALID_ADDRESS(Module.symtbl) && Module.symtbl)
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318 | || (!SOL32_VALID_ADDRESS(Module.strings) && Module.strings)
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319 | || (!SOL32_VALID_ADDRESS(Module.head) && Module.head)
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320 | || (!SOL32_VALID_ADDRESS(Module.tail) && Module.tail)
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321 | || !SOL32_VALID_ADDRESS(Module.filename))
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322 | return;
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323 | if ( Module.symsize > _4M
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324 | || Module.hdr.e_shnum > 4096
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325 | || Module.nsyms > _256K)
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326 | return;
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327 |
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328 | /* Ignore modules without symbols. */
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329 | if (!Module.symtbl || !Module.strings || !Module.symspace || !Module.symspace)
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330 | return;
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331 |
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332 | /* Check that the symtbl and strings points inside the symspace. */
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333 | if (Module.strings - Module.symspace >= Module.symsize)
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334 | return;
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335 | if (Module.symtbl - Module.symspace >= Module.symsize)
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336 | return;
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337 |
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338 | /*
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339 | * Read the section headers, symbol table and string tables.
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340 | */
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341 | size_t cb = Module.hdr.e_shnum * sizeof(Elf32_Shdr);
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342 | Elf32_Shdr *paShdrs = (Elf32_Shdr *)RTMemTmpAlloc(cb);
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343 | if (!paShdrs)
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344 | return;
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345 | rc = DBGFR3MemRead(pVM, DBGFR3AddrFromFlat(pVM, &Addr, Module.shdrs), paShdrs, cb);
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346 | if (RT_SUCCESS(rc))
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347 | {
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348 | void *pvSymSpace = RTMemTmpAlloc(Module.symsize + 1);
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349 | if (pvSymSpace)
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350 | {
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351 | rc = DBGFR3MemRead(pVM, DBGFR3AddrFromFlat(pVM, &Addr, Module.shdrs), pvSymSpace, Module.symsize);
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352 | if (RT_SUCCESS(rc))
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353 | {
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354 | ((uint8_t *)pvSymSpace)[Module.symsize] = 0;
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355 |
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356 | /*
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357 | * Hand it over to the common ELF32 module parser.
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358 | */
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359 | char const *pbStrings = (char const *)pvSymSpace + (Module.strings - Module.symspace);
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360 | size_t cbMaxStrings = Module.symsize - (Module.strings - Module.symspace);
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361 |
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362 | Elf32_Sym const *paSyms = (Elf32_Sym const *)((uintptr_t)pvSymSpace + (Module.symtbl - Module.symspace));
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363 | size_t cMaxSyms = (Module.symsize - (Module.symtbl - Module.symspace)) / sizeof(Elf32_Sym);
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364 | cMaxSyms = RT_MIN(cMaxSyms, Module.nsyms);
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365 |
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366 | DBGDiggerCommonParseElf32Mod(pVM, szModName, szFilename, DBG_DIGGER_ELF_FUNNY_SHDRS,
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367 | &Module.hdr, paShdrs, paSyms, cMaxSyms, pbStrings, cbMaxStrings);
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368 | }
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369 | RTMemTmpFree(pvSymSpace);
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370 | }
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371 | }
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372 |
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373 | RTMemTmpFree(paShdrs);
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374 | return;
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375 | }
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376 |
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377 |
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378 | /**
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379 | * @copydoc DBGFOSREG::pfnTerm
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380 | */
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381 | static DECLCALLBACK(void) dbgDiggerSolarisTerm(PVM pVM, void *pvData)
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382 | {
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383 | PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
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384 | Assert(pThis->fValid);
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385 |
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386 | pThis->fValid = false;
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387 | }
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388 |
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389 |
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390 | /**
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391 | * @copydoc DBGFOSREG::pfnRefresh
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392 | */
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393 | static DECLCALLBACK(int) dbgDiggerSolarisRefresh(PVM pVM, void *pvData)
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394 | {
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395 | PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
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396 | NOREF(pThis);
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397 | Assert(pThis->fValid);
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398 |
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399 | /*
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400 | * For now we'll flush and reload everything.
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401 | */
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402 | dbgDiggerSolarisTerm(pVM, pvData);
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403 | return dbgDiggerSolarisInit(pVM, pvData);
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404 | }
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405 |
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406 |
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407 | /**
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408 | * @copydoc DBGFOSREG::pfnInit
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409 | */
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410 | static DECLCALLBACK(int) dbgDiggerSolarisInit(PVM pVM, void *pvData)
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411 | {
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412 | PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
|
---|
413 | Assert(!pThis->fValid);
|
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414 | int rc;
|
---|
415 |
|
---|
416 | /** @todo Use debug_info, build 7x / S10U6. */
|
---|
417 |
|
---|
418 | /*
|
---|
419 | * Find the 'unix' modctl_t structure (aka modules).
|
---|
420 | * We know it resides in the unix data segment.
|
---|
421 | */
|
---|
422 | DBGFR3AddrFromFlat(pVM, &pThis->AddrUnixModCtl, 0);
|
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423 |
|
---|
424 | DBGFADDRESS CurAddr = pThis->AddrUnixData;
|
---|
425 | DBGFADDRESS MaxAddr;
|
---|
426 | DBGFR3AddrFromFlat(pVM, &MaxAddr, CurAddr.FlatPtr + SOL_UNIX_MAX_DATA_SEG_SIZE);
|
---|
427 | const uint8_t *pbExpr = (const uint8_t *)&pThis->AddrUnixText.FlatPtr;
|
---|
428 | const uint32_t cbExpr = sizeof(uint32_t);//pThis->AddrUnixText.FlatPtr < _4G ? sizeof(uint32_t) : sizeof(uint64_t)
|
---|
429 | while ( CurAddr.FlatPtr < MaxAddr.FlatPtr
|
---|
430 | && CurAddr.FlatPtr >= pThis->AddrUnixData.FlatPtr)
|
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431 | {
|
---|
432 | DBGFADDRESS HitAddr;
|
---|
433 | rc = DBGFR3MemScan(pVM, &CurAddr, MaxAddr.FlatPtr - CurAddr.FlatPtr, pbExpr, cbExpr, &HitAddr);
|
---|
434 | if (RT_FAILURE(rc))
|
---|
435 | break;
|
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436 |
|
---|
437 | /*
|
---|
438 | * Read out the modctl_t structure.
|
---|
439 | */
|
---|
440 | DBGFADDRESS ModCtlAddr;
|
---|
441 | DBGFR3AddrFromFlat(pVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL32_modctl_t, mod_text));
|
---|
442 | SOL32_modctl_t ModCtl;
|
---|
443 | rc = DBGFR3MemRead(pVM, &ModCtlAddr, &ModCtl, sizeof(ModCtl));
|
---|
444 | if (RT_SUCCESS(rc))
|
---|
445 | {
|
---|
446 | if ( SOL32_VALID_ADDRESS(ModCtl.mod_next)
|
---|
447 | && SOL32_VALID_ADDRESS(ModCtl.mod_prev)
|
---|
448 | && ModCtl.mod_id == 0
|
---|
449 | && SOL32_VALID_ADDRESS(ModCtl.mod_mp)
|
---|
450 | && SOL32_VALID_ADDRESS(ModCtl.mod_filename)
|
---|
451 | && SOL32_VALID_ADDRESS(ModCtl.mod_modname)
|
---|
452 | && ModCtl.mod_prim == 1
|
---|
453 | && ModCtl.mod_loaded == 1
|
---|
454 | && ModCtl.mod_installed == 1
|
---|
455 | && ModCtl.mod_requisites == 0
|
---|
456 | && ModCtl.mod_loadcnt == 1
|
---|
457 | /*&& ModCtl.mod_text == pThis->AddrUnixText.FlatPtr*/
|
---|
458 | && ModCtl.mod_text_size < UINT32_C(0xfec00000) - UINT32_C(0xfe800000) )
|
---|
459 | {
|
---|
460 | char szUnix[5];
|
---|
461 | DBGFADDRESS NameAddr;
|
---|
462 | DBGFR3AddrFromFlat(pVM, &NameAddr, ModCtl.mod_modname);
|
---|
463 | rc = DBGFR3MemRead(pVM, &NameAddr, &szUnix, sizeof(szUnix));
|
---|
464 | if (RT_SUCCESS(rc))
|
---|
465 | {
|
---|
466 | if (!strcmp(szUnix, "unix"))
|
---|
467 | {
|
---|
468 | pThis->AddrUnixModCtl = ModCtlAddr;
|
---|
469 | break;
|
---|
470 | }
|
---|
471 | Log(("sol32 mod_name=%.*s\n", sizeof(szUnix), szUnix));
|
---|
472 | }
|
---|
473 | }
|
---|
474 | }
|
---|
475 |
|
---|
476 | /* next */
|
---|
477 | DBGFR3AddrFromFlat(pVM, &CurAddr, HitAddr.FlatPtr + cbExpr);
|
---|
478 | }
|
---|
479 |
|
---|
480 | /*
|
---|
481 | * Walk the module chain and add the modules and their symbols.
|
---|
482 | */
|
---|
483 | if (pThis->AddrUnixModCtl.FlatPtr)
|
---|
484 | {
|
---|
485 | int iMod = 0;
|
---|
486 | CurAddr = pThis->AddrUnixModCtl;
|
---|
487 | do
|
---|
488 | {
|
---|
489 | /* read it */
|
---|
490 | SOL32_modctl_t ModCtl;
|
---|
491 | rc = DBGFR3MemRead(pVM, &CurAddr, &ModCtl, sizeof(ModCtl));
|
---|
492 | if (RT_FAILURE(rc))
|
---|
493 | {
|
---|
494 | LogRel(("sol32: bad modctl_t chain: %RGv - %Rrc\n", iMod, CurAddr.FlatPtr, rc));
|
---|
495 | break;
|
---|
496 | }
|
---|
497 |
|
---|
498 | /* process it. */
|
---|
499 | dbgDiggerSolarisProcessModCtl(pVM, pThis, &ModCtl);
|
---|
500 |
|
---|
501 | /* next */
|
---|
502 | if (!SOL32_VALID_ADDRESS(ModCtl.mod_next))
|
---|
503 | {
|
---|
504 | LogRel(("sol32: bad modctl_t chain at %RGv: %RGv\n", iMod, CurAddr.FlatPtr, (RTGCUINTPTR)ModCtl.mod_next));
|
---|
505 | break;
|
---|
506 | }
|
---|
507 | if (++iMod >= 1024)
|
---|
508 | {
|
---|
509 | LogRel(("sol32: too many modules (%d)\n", iMod));
|
---|
510 | break;
|
---|
511 | }
|
---|
512 | DBGFR3AddrFromFlat(pVM, &CurAddr, ModCtl.mod_next);
|
---|
513 | } while (CurAddr.FlatPtr != pThis->AddrUnixModCtl.FlatPtr);
|
---|
514 | }
|
---|
515 |
|
---|
516 | pThis->fValid = true;
|
---|
517 | return VINF_SUCCESS;
|
---|
518 | }
|
---|
519 |
|
---|
520 |
|
---|
521 | /**
|
---|
522 | * @copydoc DBGFOSREG::pfnProbe
|
---|
523 | */
|
---|
524 | static DECLCALLBACK(bool) dbgDiggerSolarisProbe(PVM pVM, void *pvData)
|
---|
525 | {
|
---|
526 | PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
|
---|
527 |
|
---|
528 | /*
|
---|
529 | * Look for "SunOS Release" in the text segment.
|
---|
530 | */
|
---|
531 | DBGFADDRESS Addr;
|
---|
532 | DBGFR3AddrFromFlat(pVM, &Addr, 0xfe800000);
|
---|
533 | RTGCUINTPTR cbRange = 0xfec00000 - 0xfe800000;
|
---|
534 |
|
---|
535 | DBGFADDRESS HitAddr;
|
---|
536 | static const uint8_t s_abSunRelease[] = "SunOS Release ";
|
---|
537 | int rc = DBGFR3MemScan(pVM, &Addr, cbRange, s_abSunRelease, sizeof(s_abSunRelease) - 1, &HitAddr);
|
---|
538 | if (RT_FAILURE(rc))
|
---|
539 | return false;
|
---|
540 |
|
---|
541 | /*
|
---|
542 | * Look for the copy right string too, just to be sure.
|
---|
543 | */
|
---|
544 | static const uint8_t s_abSMI[] = "Sun Microsystems, Inc.";
|
---|
545 | rc = DBGFR3MemScan(pVM, &Addr, cbRange, s_abSMI, sizeof(s_abSMI) - 1, &HitAddr);
|
---|
546 | if (RT_FAILURE(rc))
|
---|
547 | return false;
|
---|
548 |
|
---|
549 | /*
|
---|
550 | * Remember the unix text and data addresses (32-bit vs 64-bit).
|
---|
551 | */
|
---|
552 | pThis->AddrUnixText = Addr;
|
---|
553 | // if (pThis->AddrUnixText.FlatPtr == 0xfe800000)
|
---|
554 | {
|
---|
555 | DBGFR3AddrFromFlat(pVM, &Addr, 0xfec00000);
|
---|
556 | pThis->AddrUnixData = Addr;
|
---|
557 | }
|
---|
558 | // else
|
---|
559 | // {
|
---|
560 | // DBGFR3AddrFromFlat(pVM, &Addr, UINT64_C(0xwhateveritis));
|
---|
561 | // pThis->AddrUnixData = Addr;
|
---|
562 | // }
|
---|
563 |
|
---|
564 | return true;
|
---|
565 | }
|
---|
566 |
|
---|
567 |
|
---|
568 | /**
|
---|
569 | * @copydoc DBGFOSREG::pfnDestruct
|
---|
570 | */
|
---|
571 | static DECLCALLBACK(void) dbgDiggerSolarisDestruct(PVM pVM, void *pvData)
|
---|
572 | {
|
---|
573 |
|
---|
574 | }
|
---|
575 |
|
---|
576 |
|
---|
577 | /**
|
---|
578 | * @copydoc DBGFOSREG::pfnConstruct
|
---|
579 | */
|
---|
580 | static DECLCALLBACK(int) dbgDiggerSolarisConstruct(PVM pVM, void *pvData)
|
---|
581 | {
|
---|
582 | return VINF_SUCCESS;
|
---|
583 | }
|
---|
584 |
|
---|
585 |
|
---|
586 | const DBGFOSREG g_DBGDiggerSolaris =
|
---|
587 | {
|
---|
588 | /* .u32Magic = */ DBGFOSREG_MAGIC,
|
---|
589 | /* .fFlags = */ 0,
|
---|
590 | /* .cbData = */ sizeof(DBGDIGGERSOLARIS),
|
---|
591 | /* .szName = */ "Solaris",
|
---|
592 | /* .pfnConstruct = */ dbgDiggerSolarisConstruct,
|
---|
593 | /* .pfnDestruct = */ dbgDiggerSolarisDestruct,
|
---|
594 | /* .pfnProbe = */ dbgDiggerSolarisProbe,
|
---|
595 | /* .pfnInit = */ dbgDiggerSolarisInit,
|
---|
596 | /* .pfnRefresh = */ dbgDiggerSolarisRefresh,
|
---|
597 | /* .pfnTerm = */ dbgDiggerSolarisTerm,
|
---|
598 | /* .pfnQueryVersion = */ dbgDiggerSolarisQueryVersion,
|
---|
599 | /* .pfnQueryInterface = */ dbgDiggerSolarisQueryInterface,
|
---|
600 | /* .u32EndMagic = */ DBGFOSREG_MAGIC
|
---|
601 | };
|
---|
602 |
|
---|