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Rev | Author | Line No. | Line |
---|---|---|---|
205 | heavyiron | 1 | format binary |
542 | diamond | 2 | include '../../macros.inc' |
205 | heavyiron | 3 | use32 |
3675 | GerdtR | 4 | db 'MENUET01' |
5 | dd 1 |
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6 | dd start |
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7 | dd i_end |
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8 | dd used_mem |
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9 | dd used_mem |
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10 | dd i_param |
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11 | dd 0 |
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205 | heavyiron | 12 | |
3675 | GerdtR | 13 | ;----------------------------------------------------------------------------- |
14 | |||
15 | REG_MODE_CPU equ 1 |
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16 | REG_MODE_MMX equ 2 |
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17 | REG_MODE_SSE equ 3 |
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18 | REG_MODE_AVX equ 4 |
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19 | |||
20 | ;----------------------------------------------------------------------------- |
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21 | |||
22 | include 'gui.inc' ; GUI routines |
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23 | |||
24 | ;----------------------------------------------------------------------------- |
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25 | ; Find command in list |
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26 | |||
27 | find_cmd: |
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28 | ; all commands are case-insensitive |
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29 | push edi |
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30 | |||
31 | .x4: |
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32 | mov al, [edi] |
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33 | cmp al, 0 |
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34 | jz .x5 |
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35 | cmp al, 'A' |
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36 | jb @f |
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37 | cmp al, 'Z' |
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38 | ja @f |
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39 | or al, 20h |
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40 | |||
41 | @@: |
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42 | stosb |
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43 | jmp .x4 |
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44 | |||
45 | ; find command |
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46 | .x5: |
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47 | pop edi |
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48 | |||
49 | .x6: |
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50 | cmp dword [esi], 0 |
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51 | jz .x7 |
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52 | push esi |
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53 | mov esi, [esi] |
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54 | lodsb |
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55 | movzx ecx, al |
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56 | push edi |
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57 | repz cmpsb |
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58 | pop edi |
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59 | pop esi |
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60 | jz .x8 |
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61 | add esi, 17 |
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62 | jmp .x6 |
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63 | |||
64 | .x7: |
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65 | stc |
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66 | |||
67 | .x8: |
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68 | ret |
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69 | |||
205 | heavyiron | 70 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
3675 | GerdtR | 71 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DEBUGGING ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
205 | heavyiron | 72 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
73 | |||
3675 | GerdtR | 74 | ;----------------------------------------------------------------------------- |
75 | ; Help event |
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205 | heavyiron | 76 | |
3675 | GerdtR | 77 | OnHelp: |
78 | mov esi, help_msg |
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79 | mov edi, [curarg] |
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80 | cmp byte [edi], 0 |
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81 | jz .x |
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82 | mov esi, help_groups |
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83 | call find_cmd |
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84 | jc .nocmd |
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85 | mov esi, [esi+12] |
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205 | heavyiron | 86 | |
3675 | GerdtR | 87 | .x: |
88 | jmp put_message |
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205 | heavyiron | 89 | |
3675 | GerdtR | 90 | .nocmd: |
91 | mov esi, aUnknownCommand |
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92 | jmp .x |
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205 | heavyiron | 93 | |
3675 | GerdtR | 94 | ;----------------------------------------------------------------------------- |
95 | ; Quit event |
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96 | OnQuit: |
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97 | mcall -1 |
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205 | heavyiron | 98 | |
3675 | GerdtR | 99 | ;----------------------------------------------------------------------------- |
100 | ; Working with debug context |
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205 | heavyiron | 101 | |
3675 | GerdtR | 102 | get_new_context: |
103 | mov esi, context |
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104 | mov edi, oldcontext |
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105 | mov ecx, 10 |
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106 | rep movsd |
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205 | heavyiron | 107 | |
3675 | GerdtR | 108 | get_context: |
109 | ;push 1 |
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110 | ;pop ebx |
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111 | ;push 69 |
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112 | ;pop eax |
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113 | ;mov ecx, [debuggee_pid] |
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114 | ;mov esi, context |
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115 | ;push 28h |
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116 | ;pop edx |
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117 | mcall 69, 1, [debuggee_pid], 28h, context |
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118 | ret |
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205 | heavyiron | 119 | |
3675 | GerdtR | 120 | set_context: |
121 | ;push 2 |
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122 | ;pop ebx |
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123 | ;push 69 |
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124 | ;pop eax |
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125 | ;mov ecx, [debuggee_pid] |
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126 | ;mov esi, context |
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127 | ;push 28h |
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128 | ;pop edx |
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129 | mcall 69, 2, [debuggee_pid], 28h, context |
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130 | ret |
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205 | heavyiron | 131 | |
3675 | GerdtR | 132 | get_dump: |
133 | mov edi, dumpdata |
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134 | mov esi, [edi-4] |
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135 | mov edx, dump_height*10h |
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136 | mov ecx, edx |
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137 | xor eax, eax |
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138 | push edi |
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139 | rep stosb |
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140 | pop edi |
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141 | ;mov ecx, [debuggee_pid] |
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142 | ;mov al, 69 |
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143 | ;push 6 |
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144 | ;pop ebx |
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145 | mcall 69, 6, [debuggee_pid] |
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146 | cmp eax, -1 |
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147 | jnz @f |
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148 | mov esi, read_mem_err |
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149 | call put_message |
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150 | xor eax, eax |
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205 | heavyiron | 151 | |
3675 | GerdtR | 152 | @@: |
153 | mov [edi-8], eax |
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154 | ; call restore_from_breaks |
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155 | ; ret |
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205 | heavyiron | 156 | |
3675 | GerdtR | 157 | ; in: edi=buffer,eax=size,esi=address |
158 | restore_from_breaks: |
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159 | mov ebx, breakpoints |
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205 | heavyiron | 160 | |
3675 | GerdtR | 161 | @@: |
162 | test byte [ebx+4], 1 |
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163 | jz .cont ; ignore invalid |
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164 | test byte [ebx+4], 2 or 8 |
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165 | jnz .cont ; ignore disabled and memory breaks |
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166 | mov ecx, [ebx] |
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167 | sub ecx, esi |
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168 | cmp ecx, eax |
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169 | jae .cont |
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170 | mov dl, [ebx+5] |
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171 | mov [edi+ecx], dl |
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205 | heavyiron | 172 | |
3675 | GerdtR | 173 | .cont: |
174 | add ebx, 6 |
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175 | cmp ebx, breakpoints+breakpoints_n*6 |
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176 | jb @b |
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177 | ret |
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205 | heavyiron | 178 | |
3675 | GerdtR | 179 | ;----------------------------------------------------------------------------- |
180 | ; Load executable event |
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205 | heavyiron | 181 | |
3675 | GerdtR | 182 | OnLoad: |
183 | mov esi, [curarg] |
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205 | heavyiron | 184 | |
3675 | GerdtR | 185 | OnLoadInit: |
186 | mov edi, loadname |
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187 | or [prgname_len], -1 |
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188 | mov [prgname_ptr], edi |
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205 | heavyiron | 189 | |
3675 | GerdtR | 190 | .copyname: |
191 | lodsb |
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192 | stosb |
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193 | inc [prgname_len] |
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194 | cmp al, '/' |
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195 | jnz @f |
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196 | or [prgname_len], -1 |
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197 | mov [prgname_ptr], edi |
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205 | heavyiron | 198 | |
3675 | GerdtR | 199 | @@: |
200 | cmp al, ' ' |
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201 | ja .copyname |
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202 | mov byte [edi-1], 0 |
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203 | and [load_params], 0 |
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204 | dec esi |
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205 | call get_arg.skip_spaces |
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206 | cmp al, 0 |
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207 | jz @f |
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208 | mov [load_params], esi |
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205 | heavyiron | 209 | |
3675 | GerdtR | 210 | @@: |
211 | and [dumppos], 0 |
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212 | mov ecx, [symbols] |
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213 | jecxz do_reload |
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214 | mcall 68, 13 |
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215 | and [symbols], 0 |
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216 | and [num_symbols], 0 |
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205 | heavyiron | 217 | |
3675 | GerdtR | 218 | ; TODO: make it local |
219 | do_reload: |
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220 | ;push 18 |
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221 | ;pop eax |
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222 | ;push 7 |
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223 | ;pop ebx |
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224 | mcall 18, 7 |
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225 | mov [dbgwnd], eax |
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226 | xchg ecx, eax |
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227 | ;push 70 |
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228 | ;pop eax |
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229 | ;mov ebx, fn70_load_block |
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230 | mcall 70, fn70_load_block |
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231 | test eax, eax |
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232 | jns .load_ok |
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205 | heavyiron | 233 | |
3675 | GerdtR | 234 | .load_err: |
235 | push eax |
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236 | mov esi, load_err_msg |
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237 | call put_message |
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238 | pop eax |
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239 | not eax |
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240 | cmp eax, 0x20 |
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241 | jae .unk_err |
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242 | mov esi, [load_err_msgs+eax*4] |
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243 | test esi, esi |
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244 | jnz put_message |
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205 | heavyiron | 245 | |
3675 | GerdtR | 246 | .unk_err: |
247 | mov esi, unk_err_msg |
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248 | inc eax |
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249 | push eax |
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250 | call put_message_nodraw |
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251 | jmp draw_messages |
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205 | heavyiron | 252 | |
3675 | GerdtR | 253 | .load_ok: |
254 | mov [debuggee_pid], eax |
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255 | mov [bSuspended], 1 |
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256 | push ecx |
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257 | call get_context |
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258 | mov edi, oldcontext |
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259 | mov ecx, 10 |
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260 | rep movsd |
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205 | heavyiron | 261 | |
3675 | GerdtR | 262 | ; activate debugger window |
263 | pop ecx |
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264 | ;mov bl, 3 |
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265 | ;push 18 |
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266 | ;pop eax |
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267 | mcall 18, 3 |
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268 | call redraw_title |
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269 | call draw_registers.redraw |
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270 | ; read and draw dump of memory |
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271 | call get_dump |
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272 | call draw_dump.redraw |
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273 | call update_disasm_eip_force |
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274 | mov esi, load_succ_msg |
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275 | push [debuggee_pid] |
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276 | call put_message_nodraw |
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277 | call draw_messages |
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278 | ; try to load symbols |
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279 | mov esi, loadname |
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280 | mov edi, symbolsfile |
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281 | push edi |
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205 | heavyiron | 282 | |
3675 | GerdtR | 283 | @@: |
284 | lodsb |
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285 | stosb |
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286 | test al, al |
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287 | jnz @b |
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288 | lea ecx, [edi-1] |
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205 | heavyiron | 289 | |
3675 | GerdtR | 290 | @@: |
291 | dec edi |
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292 | cmp edi, symbolsfile |
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293 | jb @f |
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294 | cmp byte [edi], '/' |
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295 | jz @f |
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296 | cmp byte [edi], '.' |
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297 | jnz @b |
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298 | mov ecx, edi |
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205 | heavyiron | 299 | |
3675 | GerdtR | 300 | @@: |
301 | mov dword [ecx], '.dbg' |
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302 | mov byte [ecx+4], 0 |
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303 | pop esi |
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304 | mov ebp, esi |
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305 | call OnLoadSymbols.silent |
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306 | |||
307 | ; now test for packed progs |
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308 | cmp [disasm_buf_size], 100h |
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309 | jz @f |
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310 | ret |
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205 | heavyiron | 311 | |
3675 | GerdtR | 312 | @@: |
313 | mov esi, mxp_nrv_sig |
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314 | mov ebp, disasm_buffer |
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315 | mov edi, ebp |
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316 | push 3 |
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317 | pop ecx |
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318 | repz cmpsb |
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319 | jnz .not_mxp_nrv |
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320 | cmpsb |
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321 | mov cl, mxp_nrv_sig_size-4 |
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322 | repz cmpsb |
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323 | mov esi, mxp_nrv_name |
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324 | jz .packed |
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205 | heavyiron | 325 | |
3675 | GerdtR | 326 | .not_mxp_nrv: |
327 | mov esi, mxp_sig |
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328 | mov edi, ebp |
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329 | mov cl, mxp_sig_size |
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330 | repz cmpsb |
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331 | mov esi, mxp_name |
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332 | jz .packed |
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205 | heavyiron | 333 | |
3675 | GerdtR | 334 | .not_mxp: |
335 | mov esi, mxp_lzo_sig1 |
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336 | mov edi, ebp |
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337 | mov cl, mxp_lzo_sig1_size |
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338 | repz cmpsb |
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339 | mov esi, mxp_lzo_name |
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340 | jz .packed |
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341 | mov esi, mxp_lzo_sig2 |
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342 | mov edi, ebp |
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343 | mov cl, 8 |
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344 | repz cmpsb |
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345 | jnz .not_mxp_lzo |
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346 | cmpsb |
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347 | mov cl, mxp_lzo_sig2_size - 9 |
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348 | repz cmpsb |
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349 | mov esi, mxp_lzo_name |
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350 | jz .packed |
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205 | heavyiron | 351 | |
3675 | GerdtR | 352 | .not_mxp_lzo: |
353 | mov esi, mtappack_name |
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354 | cmp dword [ebp], 0xBF5E246A |
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355 | jnz .not_mtappack |
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356 | cmp dword [ebp+8], 0xEC4E8B57 |
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357 | jnz .not_mtappack1 |
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358 | cmp dword [ebp+12], 0x8D5EA4F3 |
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359 | jnz .not_mtappack1 |
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360 | cmp byte [ebp+12h], 0xE9 |
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361 | jz .packed |
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362 | |||
363 | .not_mtappack1: |
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364 | cmp word [ebp+8], 0xB957 |
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365 | jnz .not_mtappack |
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366 | cmp dword [ebp+14], 0x575EA4F3 |
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367 | jnz .not_mtappack2 |
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368 | cmp byte [ebp+17h], 0xE9 |
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369 | jz .packed |
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370 | |||
371 | .not_mtappack2: |
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372 | cmp dword [ebp+14], 0x5F8DA4F3 |
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373 | jnz .not_mtappack3 |
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374 | cmp word [ebp+18], 0xE9FC |
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375 | jz .packed |
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376 | |||
377 | .not_mtappack3: |
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378 | cmp word [ebp+14], 0xA4F3 |
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379 | jnz .not_mtappack |
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380 | cmp byte [ebp+15h], 0xE9 |
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381 | jz .packed |
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382 | |||
383 | .not_mtappack: |
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384 | ret |
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385 | |||
386 | .packed: |
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387 | push esi |
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388 | mov esi, aPacked1 |
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389 | call put_message_nodraw |
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390 | pop esi |
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391 | call put_message_nodraw |
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392 | mov esi, aPacked2 |
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393 | call put_message |
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394 | call hide_cursor |
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395 | ;push 40 |
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396 | ;pop eax |
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397 | ;push 7 |
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398 | ;pop ebx |
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399 | mcall 40, 7 |
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400 | |||
401 | .wait: |
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402 | ;push 10 |
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403 | ;pop eax |
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404 | mcall 10 |
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405 | dec eax |
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406 | jz .redraw |
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407 | dec eax |
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408 | jz .key |
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409 | or eax, -1 |
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410 | mcall |
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411 | |||
412 | .redraw: |
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413 | call draw_window |
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414 | call hide_cursor |
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415 | jmp .wait |
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416 | |||
417 | .key: |
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418 | mov al, 2 |
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419 | mcall |
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420 | cmp ah, 'y' |
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421 | jz .yes |
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422 | cmp ah, 'Y' |
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423 | jz .yes |
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424 | cmp ah, 0xD |
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425 | jz .yes |
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426 | cmp ah, 'n' |
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427 | jz .no |
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428 | cmp ah, 'N' |
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429 | jnz .wait |
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430 | |||
431 | .no: |
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432 | ;push 40 |
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433 | ;pop eax |
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434 | ;mov ebx, 0x107 |
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435 | mcall 40, 0x107 |
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436 | call draw_cursor |
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437 | mov esi, aN_str |
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438 | jmp put_message |
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439 | |||
440 | .yes: |
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441 | ;push 40 |
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442 | ;pop eax |
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443 | ;mov ebx, 0x107 |
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444 | mcall 40, 0x107 |
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445 | call draw_cursor |
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446 | mov esi, aY_str |
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447 | call put_message |
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448 | call OnUnpack |
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449 | ret |
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450 | |||
451 | ;----------------------------------------------------------------------------- |
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452 | ; Searching signatures |
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453 | |||
205 | heavyiron | 454 | mxp_nrv_sig: |
3675 | GerdtR | 455 | xor eax, eax |
456 | mov ecx, 0x95 ; 0xA1 for programs with parameters |
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457 | mov [eax], ecx |
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458 | add ecx, [eax+24h] |
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459 | push 40h |
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460 | pop esi |
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461 | mov edi, [eax+20h] |
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462 | push edi |
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463 | rep movsb |
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464 | jmp dword [esp] |
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465 | pop esi |
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466 | add esi, [eax] |
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467 | xor edi, edi |
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468 | |||
205 | heavyiron | 469 | mxp_nrv_sig_size = $ - mxp_nrv_sig |
470 | |||
471 | mxp_sig: |
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3675 | GerdtR | 472 | mov ecx, 1CBh |
473 | push 46h |
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474 | pop esi |
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475 | mov edi, [20h] |
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476 | rep movsb |
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477 | mov ecx, [24h] |
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478 | rep movsb |
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479 | jmp dword [20h] |
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480 | mov eax, [20h] |
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481 | add eax, 1CBh |
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482 | push eax |
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483 | push dword [24h] |
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484 | push 0 |
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485 | push 8 |
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486 | call $+0x25 |
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487 | |||
205 | heavyiron | 488 | mxp_sig_size = $ - mxp_sig |
489 | |||
490 | mxp_lzo_sig1: |
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3675 | GerdtR | 491 | xor eax, eax |
492 | mov ebp, 0FFh |
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493 | mov ecx, 175h |
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494 | mov [eax], ecx |
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495 | add ecx, [eax+24h] |
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496 | push 45h |
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497 | pop esi |
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498 | mov edi, [eax+20h] |
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499 | push edi |
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500 | rep movsb |
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501 | jmp dword [esp] |
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502 | pop ebx |
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503 | add ebx, [eax] |
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504 | xor edi, edi |
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505 | cmp byte [ebx], 11h |
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506 | jbe $+0x1A |
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507 | |||
205 | heavyiron | 508 | mxp_lzo_sig1_size = $ - mxp_lzo_sig1 |
3675 | GerdtR | 509 | |
205 | heavyiron | 510 | mxp_lzo_sig2: |
3675 | GerdtR | 511 | xor eax, eax |
512 | mov ebp, 0FFh |
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513 | mov ecx, 188h ; or 177h |
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514 | mov [eax], ecx |
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515 | add ecx, [eax+24h] |
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516 | push 44h |
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517 | pop esi |
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518 | mov edi, [eax+20h] |
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519 | rep movsb |
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520 | jmp dword [eax+20h] |
||
521 | mov ebx, [eax+20h] |
||
522 | add ebx, [eax] |
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523 | |||
205 | heavyiron | 524 | mxp_lzo_sig2_size = $ - mxp_lzo_sig2 |
525 | |||
3675 | GerdtR | 526 | ;----------------------------------------------------------------------------- |
527 | ; Reload executable event |
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528 | |||
205 | heavyiron | 529 | OnReload: |
3675 | GerdtR | 530 | cmp [debuggee_pid], 0 |
531 | jnz terminate_reload |
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532 | mov esi, need_debuggee |
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533 | cmp byte [loadname], 0 |
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534 | jnz do_reload |
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535 | jz put_message |
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536 | |||
537 | ; TODO: make it local |
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205 | heavyiron | 538 | terminate_reload: |
3675 | GerdtR | 539 | mov [bReload], 1 |
540 | |||
541 | ;----------------------------------------------------------------------------- |
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542 | ; Terminate process event |
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543 | |||
205 | heavyiron | 544 | OnTerminate: |
3675 | GerdtR | 545 | ;mov ecx, [debuggee_pid] |
546 | ;push 8 |
||
547 | ;pop ebx |
||
548 | ;push 69 |
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549 | ;pop eax |
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550 | mcall 69, 8, [debuggee_pid] |
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551 | ret |
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552 | ;----------------------------------------------------------------------------- |
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553 | ; Suspend process event |
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205 | heavyiron | 554 | |
555 | AfterSuspend: |
||
3675 | GerdtR | 556 | mov [bSuspended], 1 |
557 | call get_new_context |
||
558 | call get_dump |
||
559 | call redraw_title |
||
560 | call draw_registers.redraw |
||
561 | call draw_dump.redraw |
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562 | call update_disasm_eip |
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563 | ret |
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205 | heavyiron | 564 | |
565 | OnSuspend: |
||
3675 | GerdtR | 566 | ;mov ecx, [debuggee_pid] |
567 | ;push 4 |
||
568 | ;pop ebx |
||
569 | ;push 69 |
||
570 | ;pop eax |
||
571 | mcall 69, 4, [debuggee_pid] |
||
572 | call AfterSuspend |
||
573 | mov esi, aSuspended |
||
574 | jmp put_message |
||
575 | |||
576 | ;----------------------------------------------------------------------------- |
||
577 | ; Resume process event |
||
578 | |||
205 | heavyiron | 579 | DoResume: |
3675 | GerdtR | 580 | ;mov ecx, [debuggee_pid] |
581 | ;push 5 |
||
582 | ;pop ebx |
||
583 | ;push 69 |
||
584 | ;pop eax |
||
585 | mcall 69, 5, [debuggee_pid] |
||
586 | mov [bSuspended], 0 |
||
587 | ret |
||
588 | |||
205 | heavyiron | 589 | OnResume: |
3675 | GerdtR | 590 | mov esi, [curarg] |
591 | cmp byte [esi], 0 |
||
592 | jz GoOn |
||
593 | call calc_expression |
||
594 | jc .ret |
||
595 | mov eax, ebp |
||
596 | push eax |
||
597 | call find_enabled_breakpoint |
||
598 | pop eax |
||
599 | jz GoOn |
||
600 | mov bl, 5 ; valid enabled one-shot |
||
601 | call add_breakpoint |
||
602 | jnc GoOn |
||
603 | mov esi, aBreakpointLimitExceeded |
||
604 | call put_message |
||
605 | |||
606 | .ret: |
||
607 | ret |
||
608 | |||
205 | heavyiron | 609 | GoOn: |
3675 | GerdtR | 610 | ; test for enabled breakpoint at eip |
611 | mov eax, [_eip] |
||
612 | call find_enabled_breakpoint |
||
613 | jnz .nobreak |
||
614 | ; temporarily disable breakpoint, make step, enable breakpoint, continue |
||
615 | inc eax |
||
616 | mov [temp_break], eax |
||
617 | mov [bAfterGo], 1 |
||
618 | dec eax |
||
619 | call disable_breakpoint |
||
620 | call get_context |
||
621 | or byte [_eflags+1], 1 ; set TF |
||
622 | call set_context |
||
623 | and byte [_eflags+1], not 1 |
||
624 | call DoResume |
||
625 | ret |
||
626 | |||
627 | .nobreak: |
||
628 | call DoResume |
||
629 | call redraw_title |
||
630 | call draw_registers.redraw |
||
631 | call draw_dump.redraw |
||
632 | ret |
||
633 | |||
634 | ;----------------------------------------------------------------------------- |
||
635 | ; Detach process event |
||
636 | |||
205 | heavyiron | 637 | OnDetach: |
3675 | GerdtR | 638 | ;mov ecx, [debuggee_pid] |
639 | ;push 3 |
||
640 | ;pop ebx |
||
641 | ;push 69 |
||
642 | ;pop eax |
||
643 | mcall 69, 3, [debuggee_pid] |
||
644 | and [debuggee_pid], 0 |
||
645 | call redraw_title |
||
646 | call draw_registers.redraw |
||
647 | call draw_dump.redraw |
||
648 | call free_symbols |
||
649 | mov esi, aContinued |
||
650 | jmp put_message |
||
205 | heavyiron | 651 | |
652 | after_go_exception: |
||
3675 | GerdtR | 653 | push eax |
654 | mov eax, [temp_break] |
||
655 | dec eax |
||
656 | push esi |
||
657 | call enable_breakpoint |
||
658 | ; in any case, clear TF and RF |
||
659 | call get_new_context |
||
660 | and [_eflags], not 10100h ; clear TF,RF |
||
661 | call set_context |
||
662 | xor edx, edx |
||
663 | mov [temp_break], edx |
||
664 | xchg dl, [bAfterGo] |
||
665 | pop esi |
||
666 | pop eax |
||
667 | cmp dl, 2 |
||
668 | jnz @f |
||
669 | lodsd |
||
670 | push esi |
||
671 | call get_dump |
||
672 | jmp exception.done |
||
205 | heavyiron | 673 | |
3675 | GerdtR | 674 | @@: |
675 | test eax, eax |
||
676 | jz .notint1 |
||
677 | ; if exception is result of single step, simply ignore it and continue |
||
678 | test dword [esi], 0xF |
||
679 | jnz dbgmsgstart.5 |
||
680 | lodsd |
||
681 | push esi |
||
682 | mov esi, oldcontext |
||
683 | mov edi, context |
||
684 | mov ecx, 28h/4 |
||
685 | rep movsd |
||
686 | call DoResume |
||
687 | jmp dbgmsgend |
||
688 | |||
689 | .notint1: |
||
690 | ; in other case, work as without temp_break |
||
691 | lodsd |
||
692 | push esi |
||
693 | push eax |
||
694 | jmp exception.4 |
||
695 | |||
696 | .notour: |
||
697 | |||
698 | ; TODO: split it out |
||
205 | heavyiron | 699 | debugmsg: |
3675 | GerdtR | 700 | neg [dbgbufsize] |
701 | mov esi, dbgbuf |
||
702 | |||
703 | ; TODO: make it local |
||
205 | heavyiron | 704 | dbgmsgstart: |
3675 | GerdtR | 705 | lodsd |
706 | ; push eax esi |
||
707 | ; push dword [esi] |
||
708 | ; mov esi, dbgmsg_str |
||
709 | ; call put_message_nodraw |
||
710 | ; pop esi eax |
||
711 | add esi, 4 |
||
712 | dec eax |
||
713 | jz exception |
||
714 | dec eax |
||
715 | jz terminated |
||
716 | mov [bSuspended], 1 |
||
717 | cmp [bAfterGo], 0 |
||
718 | jnz after_go_exception |
||
719 | push esi |
||
720 | call get_new_context |
||
721 | and [_eflags], not 10100h ; clear TF,RF |
||
722 | call set_context |
||
723 | pop esi |
||
724 | |||
725 | ; TODO: WTF? Need for meaning label names |
||
726 | .5: |
||
727 | push esi |
||
728 | call get_dump |
||
729 | pop esi |
||
730 | lodsd |
||
731 | xor ecx, ecx |
||
732 | |||
733 | .6: |
||
734 | bt eax, ecx |
||
735 | jnc .7 |
||
736 | mov ebx, [drx_break+ecx*4] |
||
737 | test ebx, ebx |
||
738 | jz .7 |
||
739 | pushad |
||
740 | dec ebx |
||
741 | push ebx |
||
742 | mov esi, aBreakStop |
||
743 | call put_message_nodraw |
||
744 | popad |
||
745 | |||
746 | .7: |
||
747 | inc ecx |
||
748 | cmp cl, 4 |
||
749 | jb .6 |
||
750 | push esi |
||
751 | jmp exception.done_draw |
||
752 | |||
753 | ; TODO: make it local |
||
205 | heavyiron | 754 | terminated: |
3675 | GerdtR | 755 | push esi |
756 | mov esi, terminated_msg |
||
757 | call put_message |
||
758 | and [debuggee_pid], 0 |
||
759 | and [temp_break], 0 |
||
760 | mov [bAfterGo], 0 |
||
761 | xor eax, eax |
||
762 | mov ecx, breakpoints_n*6/4+4 |
||
763 | mov edi, breakpoints |
||
764 | rep stosd |
||
765 | cmp [bReload], 1 |
||
766 | sbb [bReload], -1 |
||
767 | jnz exception.done |
||
768 | call free_symbols |
||
769 | jmp exception.done |
||
770 | |||
205 | heavyiron | 771 | exception: |
3675 | GerdtR | 772 | mov [bSuspended], 1 |
773 | cmp [bAfterGo], 0 |
||
774 | jnz after_go_exception |
||
775 | lodsd |
||
776 | push esi |
||
777 | push eax |
||
778 | call get_new_context |
||
779 | and [_eflags], not 10100h ; clear TF,RF |
||
780 | call set_context |
||
781 | |||
782 | ; TODO: fix for useful name |
||
783 | .4: |
||
784 | call get_dump |
||
785 | pop eax |
||
786 | ; int3 command generates exception 0D, #GP |
||
787 | push eax |
||
788 | cmp al, 0Dh |
||
789 | jnz .notdbg |
||
790 | ; check for 0xCC byte at eip |
||
791 | push 0 |
||
792 | ;push 69 |
||
793 | ;pop eax |
||
794 | ;push 6 |
||
795 | ;pop ebx |
||
796 | ;mov ecx, [debuggee_pid] |
||
797 | ;mov edi, esp |
||
798 | ;mov esi, [_eip] |
||
799 | ;push 1 |
||
800 | ;pop edx |
||
801 | mcall 69, 6, [debuggee_pid], 1, [_eip], esp |
||
802 | pop eax |
||
803 | cmp al, 0xCC |
||
804 | jnz .notdbg |
||
805 | ; this is either dbg breakpoint or int3 cmd in debuggee |
||
806 | mov eax, [_eip] |
||
807 | call find_enabled_breakpoint |
||
808 | jnz .user_int3 |
||
809 | ; dbg breakpoint; clear if one-shot |
||
810 | pop ecx |
||
811 | push eax |
||
812 | mov esi, aBreakStop |
||
813 | test byte [edi+4], 4 |
||
814 | jz .put_msg_eax |
||
815 | pop ecx |
||
816 | call clear_breakpoint |
||
817 | jmp .done |
||
818 | |||
819 | .user_int3: |
||
820 | mov eax, [_eip] |
||
821 | inc [_eip] |
||
822 | pop ecx |
||
823 | push eax |
||
824 | call set_context |
||
825 | mov esi, aUserBreak |
||
826 | jmp .put_msg_eax |
||
827 | |||
828 | .notdbg: |
||
829 | mov esi, aException |
||
830 | |||
831 | .put_msg_eax: |
||
832 | call put_message_nodraw |
||
833 | |||
834 | .done_draw: |
||
835 | call draw_messages |
||
836 | |||
837 | .done: |
||
838 | ;push 18 |
||
839 | ;pop eax |
||
840 | ;push 3 |
||
841 | ;pop ebx |
||
842 | ;mov ecx, [dbgwnd] |
||
843 | mcall 18, 3, [dbgwnd] ; activate dbg window |
||
844 | call redraw_title |
||
845 | call draw_registers.redraw |
||
846 | call draw_dump.redraw |
||
847 | call update_disasm_eip |
||
848 | |||
205 | heavyiron | 849 | dbgmsgend: |
3675 | GerdtR | 850 | pop esi |
851 | mov ecx, [dbgbuflen] |
||
852 | add ecx, dbgbuf |
||
853 | cmp esi, ecx |
||
854 | jnz dbgmsgstart |
||
855 | and [dbgbuflen], 0 |
||
856 | neg [dbgbufsize] |
||
857 | cmp [bReload], 2 |
||
858 | jnz @f |
||
859 | mov [bReload], 0 |
||
860 | call do_reload |
||
205 | heavyiron | 861 | |
3675 | GerdtR | 862 | @@: |
863 | jmp waitevent |
||
864 | |||
865 | ; TODO: make it local |
||
4590 | clevermous | 866 | F7: |
3675 | GerdtR | 867 | cmp [debuggee_pid], 0 |
868 | jz .no |
||
869 | call OnStep |
||
870 | |||
871 | .no: |
||
872 | jmp waitevent |
||
873 | |||
874 | ; TODO: make it local |
||
4590 | clevermous | 875 | F8: |
3675 | GerdtR | 876 | cmp [debuggee_pid], 0 |
4590 | clevermous | 877 | jz F7.no |
3675 | GerdtR | 878 | call OnProceed |
4590 | clevermous | 879 | jmp F7.no |
205 | heavyiron | 880 | |
3675 | GerdtR | 881 | ;----------------------------------------------------------------------------- |
882 | ; Step execution event |
||
883 | |||
884 | ;Here we get [ |
||
4443 | clevermous | 885 | OnStepMultiple: |
3675 | GerdtR | 886 | cmp [bSuspended], 0 |
4443 | clevermous | 887 | jz OnStep.running |
888 | mov [step_num], 1 |
||
3675 | GerdtR | 889 | mov esi, [curarg] |
4443 | clevermous | 890 | test esi, esi |
891 | jz .do |
||
3675 | GerdtR | 892 | cmp byte [esi], 0 |
4443 | clevermous | 893 | jz .do |
3675 | GerdtR | 894 | call get_hex_number |
895 | jc .ret |
||
896 | cmp eax, 0 ; check if lesser or equal than 0 |
||
897 | jle .ret |
||
898 | mov [step_num], eax |
||
4443 | clevermous | 899 | .do: |
900 | call OnStep |
||
901 | dec [step_num] |
||
902 | jnz .do |
||
903 | .ret: |
||
904 | ret |
||
205 | heavyiron | 905 | |
4443 | clevermous | 906 | OnStep: |
907 | cmp [bSuspended], 0 |
||
908 | jz .running |
||
3675 | GerdtR | 909 | call get_context |
910 | or byte [_eflags+1], 1 ; set TF |
||
911 | call set_context |
||
912 | and byte [_eflags+1], not 1 |
||
913 | ; if instruction at eip is "int xx", set one-shot breakpoint immediately after |
||
914 | mov eax, [_eip] |
||
915 | call find_enabled_breakpoint |
||
916 | jnz @f |
||
917 | cmp byte [edi+5], 0xCD |
||
918 | jz .int |
||
919 | |||
920 | @@: |
||
921 | push 0 |
||
922 | ;push 69 |
||
923 | ;pop eax |
||
924 | ;push 6 |
||
925 | ;pop ebx |
||
926 | ;mov ecx, [debuggee_pid] |
||
927 | ;push 3 |
||
928 | ;pop edx |
||
929 | ;mov edi, esp |
||
930 | ;mov esi, [_eip] |
||
931 | mcall 69, 6, [debuggee_pid], 3, [_eip], esp |
||
932 | cmp eax, edx |
||
933 | pop eax |
||
934 | jnz .doit |
||
935 | cmp al, 0xCD |
||
936 | jz .int |
||
937 | cmp ax, 0x050F |
||
938 | jz .syscall |
||
939 | cmp ax, 0x340F |
||
940 | jz .sysenter |
||
941 | |||
942 | ; resume process |
||
943 | .doit: |
||
944 | call GoOn |
||
945 | cmp [bAfterGo], 0 |
||
946 | jz @f |
||
947 | mov [bAfterGo], 2 |
||
948 | |||
949 | @@: |
||
950 | ret |
||
951 | |||
952 | ; return address is [ebp-4] |
||
953 | .sysenter: |
||
954 | push 0 |
||
955 | ;push 69 |
||
956 | ;pop eax |
||
957 | inc edx ; read 4 bytes |
||
958 | mov esi, [_ebp] |
||
959 | sub esi, 4 |
||
960 | mcall 69 |
||
961 | cmp eax, edx |
||
962 | pop eax |
||
963 | jnz .syscall |
||
964 | push eax |
||
965 | and byte [_eflags+1], not 1 |
||
966 | call set_context |
||
967 | pop eax |
||
968 | jmp @f |
||
969 | |||
970 | .syscall: |
||
971 | and byte [_eflags+1], not 1 ; clear TF - avoid system halt (!) |
||
972 | call set_context |
||
973 | |||
974 | .int: |
||
975 | mov eax, [_eip] |
||
976 | inc eax |
||
977 | inc eax |
||
978 | |||
979 | @@: |
||
980 | push eax |
||
981 | call find_enabled_breakpoint |
||
982 | pop eax |
||
983 | jz .doit |
||
984 | ; there is no enabled breakpoint yet; set temporary breakpoint |
||
985 | mov bl, 5 |
||
986 | call add_breakpoint |
||
987 | jmp .doit |
||
988 | |||
989 | .running: |
||
990 | mov esi, aRunningErr |
||
991 | jmp put_message |
||
992 | |||
993 | ;----------------------------------------------------------------------------- |
||
994 | ; Proceed process event |
||
995 | |||
205 | heavyiron | 996 | OnProceed: |
3675 | GerdtR | 997 | cmp [bSuspended], 0 |
998 | jz OnStep.running |
||
999 | cmp [proc_num], 0 |
||
1000 | jg .procone |
||
1001 | mov esi, [curarg] |
||
4285 | tserj | 1002 | cmp esi, 0 |
1003 | jz .procone |
||
3675 | GerdtR | 1004 | cmp byte [esi], 0 |
1005 | jz .procone |
||
1006 | call get_hex_number |
||
1007 | jc .ret |
||
1008 | cmp eax, 0 ; check if lesser than 0 |
||
1009 | jle .ret |
||
1010 | mov [proc_num], eax |
||
1011 | mov [curarg], 0 |
||
205 | heavyiron | 1012 | |
3675 | GerdtR | 1013 | .procone: |
1014 | mov esi, [_eip] |
||
205 | heavyiron | 1015 | |
3675 | GerdtR | 1016 | @@: |
1017 | call get_byte_nobreak |
||
4443 | clevermous | 1018 | jc OnStep |
3675 | GerdtR | 1019 | inc esi |
1020 | ; skip prefixes |
||
1021 | call is_prefix |
||
1022 | jz @b |
||
1023 | cmp al, 0xE8 ; call |
||
1024 | jnz @f |
||
1025 | add esi, 4 |
||
1026 | jmp .doit |
||
205 | heavyiron | 1027 | |
3675 | GerdtR | 1028 | ; A4,A5 = movs; A6,A7 = cmps |
1029 | @@: |
||
1030 | cmp al, 0xA4 |
||
1031 | jb @f |
||
1032 | cmp al, 0xA8 |
||
1033 | jb .doit |
||
205 | heavyiron | 1034 | |
3675 | GerdtR | 1035 | ; AA,AB = stos; AC,AD = lods; AE,AF = scas |
1036 | @@: |
||
1037 | cmp al, 0xAA |
||
1038 | jb @f |
||
1039 | cmp al, 0xB0 |
||
1040 | jb .doit |
||
205 | heavyiron | 1041 | |
3675 | GerdtR | 1042 | ; E0 = loopnz; E1 = loopz; E2 = loop |
1043 | @@: |
||
1044 | cmp al, 0xE0 |
||
1045 | jb .noloop |
||
1046 | cmp al, 0xE2 |
||
1047 | ja .noloop |
||
1048 | inc esi |
||
1049 | jmp .doit |
||
205 | heavyiron | 1050 | |
3675 | GerdtR | 1051 | ; FF /2 = call |
1052 | .noloop: |
||
1053 | cmp al, 0xFF |
||
4443 | clevermous | 1054 | jnz OnStep |
3675 | GerdtR | 1055 | call get_byte_nobreak |
4443 | clevermous | 1056 | jc OnStep |
3675 | GerdtR | 1057 | inc esi |
1058 | mov cl, al |
||
1059 | and al, 00111000b |
||
1060 | cmp al, 00010000b |
||
4443 | clevermous | 1061 | jnz OnStep |
3675 | GerdtR | 1062 | ; skip instruction |
1063 | mov al, cl |
||
1064 | and eax, 7 |
||
1065 | shr cl, 6 |
||
1066 | jz .mod0 |
||
1067 | jp .doit |
||
1068 | cmp al, 4 |
||
1069 | jnz @f |
||
1070 | inc esi |
||
205 | heavyiron | 1071 | |
3675 | GerdtR | 1072 | @@: |
1073 | inc esi |
||
1074 | dec cl |
||
1075 | jz @f |
||
1076 | add esi, 3 |
||
205 | heavyiron | 1077 | |
3675 | GerdtR | 1078 | @@: |
1079 | jmp .doit |
||
205 | heavyiron | 1080 | |
3675 | GerdtR | 1081 | .mod0: |
1082 | cmp al, 4 |
||
1083 | jnz @f |
||
1084 | call get_byte_nobreak |
||
4443 | clevermous | 1085 | jc OnStep |
3675 | GerdtR | 1086 | inc esi |
1087 | and al, 7 |
||
205 | heavyiron | 1088 | |
3675 | GerdtR | 1089 | @@: |
1090 | cmp al, 5 |
||
1091 | jnz .doit |
||
1092 | add esi, 4 |
||
205 | heavyiron | 1093 | |
3675 | GerdtR | 1094 | .doit: |
1095 | ; insert one-shot breakpoint at esi and resume |
||
1096 | call get_byte_nobreak |
||
4443 | clevermous | 1097 | jc OnStep |
3675 | GerdtR | 1098 | mov eax, esi |
1099 | call find_enabled_breakpoint |
||
1100 | jz @f |
||
1101 | mov eax, esi |
||
1102 | mov bl, 5 |
||
1103 | call add_breakpoint |
||
1104 | jmp OnStep.doit |
||
1105 | |||
1106 | @@: |
||
1107 | mov eax, [proc_num] |
||
1108 | dec eax |
||
1109 | cmp eax, 0 |
||
1110 | jle .ret |
||
1111 | mov [proc_num], eax |
||
1112 | jmp .procone |
||
1113 | |||
1114 | .ret: |
||
1115 | mov [proc_num], 0 |
||
1116 | ret |
||
1117 | |||
1118 | ;----------------------------------------------------------------------------- |
||
1119 | ; Read next byte of machine code |
||
1120 | |||
1121 | get_byte_nobreak: |
||
1122 | mov eax, esi |
||
1123 | call find_enabled_breakpoint |
||
1124 | jnz .nobreak |
||
1125 | mov al, [edi+5] |
||
1126 | clc |
||
1127 | ret |
||
1128 | |||
1129 | .nobreak: |
||
1130 | ;push 69 |
||
1131 | ;pop eax |
||
1132 | ;push 6 |
||
1133 | ;pop ebx |
||
1134 | ;mov ecx, [debuggee_pid] |
||
1135 | xor edx, edx |
||
1136 | push edx |
||
1137 | inc edx |
||
1138 | mov edi, esp |
||
1139 | mcall 69, 6, [debuggee_pid] |
||
1140 | dec eax |
||
1141 | clc |
||
1142 | jz @f |
||
1143 | stc |
||
1144 | |||
1145 | @@: |
||
1146 | pop eax |
||
1147 | ret |
||
1148 | |||
1149 | include 'parser.inc' |
||
1150 | |||
1151 | ;----------------------------------------------------------------------------- |
||
1152 | ; Calculate expression event |
||
1153 | |||
205 | heavyiron | 1154 | OnCalc: |
3675 | GerdtR | 1155 | mov esi, [curarg] |
1156 | call calc_expression |
||
1157 | jc .ret |
||
1158 | push ebp |
||
1159 | mov esi, calc_string |
||
1160 | call put_message_nodraw |
||
1161 | jmp draw_messages |
||
1162 | |||
1163 | .ret: |
||
1164 | ret |
||
205 | heavyiron | 1165 | |
3675 | GerdtR | 1166 | ;----------------------------------------------------------------------------- |
1167 | ; Dump memory event |
||
1168 | |||
205 | heavyiron | 1169 | OnDump: |
3675 | GerdtR | 1170 | mov esi, [curarg] |
1171 | cmp byte [esi], 0 |
||
1172 | jnz .param |
||
1173 | add [dumppos], dump_height*10h |
||
1174 | jmp .doit |
||
1175 | |||
1176 | .param: |
||
1177 | call calc_expression |
||
1178 | jc .ret |
||
1179 | mov [dumppos], ebp |
||
205 | heavyiron | 1180 | |
3675 | GerdtR | 1181 | .doit: |
1182 | call get_dump |
||
1183 | call draw_dump.redraw |
||
1184 | |||
1185 | .ret: |
||
1186 | ret |
||
1187 | |||
1188 | ;----------------------------------------------------------------------------- |
||
1189 | ; Dissassemble block of executable event |
||
1190 | |||
205 | heavyiron | 1191 | OnUnassemble: |
3675 | GerdtR | 1192 | mov esi, [curarg] |
1193 | cmp byte [esi], 0 |
||
1194 | jnz .param |
||
1195 | mov eax, [disasm_start_pos] |
||
1196 | mov ecx, disasm_height |
||
1197 | mov [disasm_cur_pos], eax |
||
205 | heavyiron | 1198 | |
3675 | GerdtR | 1199 | .l: |
1200 | mov eax, [disasm_cur_pos] |
||
1201 | call find_symbol |
||
1202 | jc @f |
||
1203 | dec ecx |
||
1204 | jz .m |
||
1205 | |||
1206 | @@: |
||
1207 | push ecx |
||
1208 | call disasm_instr |
||
1209 | pop ecx |
||
1210 | jc .err |
||
1211 | loop .l |
||
1212 | |||
1213 | .m: |
||
1214 | mov eax, [disasm_cur_pos] |
||
1215 | jmp .doit |
||
1216 | |||
1217 | .param: |
||
1218 | call calc_expression |
||
1219 | jc .ret |
||
1220 | mov eax, ebp |
||
1221 | |||
1222 | .doit: |
||
1223 | push eax |
||
1224 | push [disasm_start_pos] |
||
1225 | mov [disasm_start_pos], eax |
||
1226 | call update_disasm |
||
1227 | pop [disasm_start_pos] |
||
1228 | pop eax |
||
1229 | cmp [disasm_cur_str], 0 |
||
1230 | jz @f |
||
1231 | mov [disasm_start_pos], eax |
||
1232 | |||
1233 | .ret: |
||
1234 | ret |
||
1235 | |||
1236 | @@: |
||
1237 | call update_disasm |
||
1238 | |||
1239 | .err: |
||
1240 | mov esi, aInvAddr |
||
1241 | jmp put_message |
||
1242 | |||
1243 | ;----------------------------------------------------------------------------- |
||
1244 | ; Access to register value event |
||
1245 | |||
205 | heavyiron | 1246 | OnReg: |
3675 | GerdtR | 1247 | mov esi, [curarg] |
1248 | call get_arg.skip_spaces |
||
1249 | call find_reg |
||
1250 | jnc @f |
||
205 | heavyiron | 1251 | |
3675 | GerdtR | 1252 | .err: |
1253 | mov esi, RSyntax |
||
1254 | jmp put_message |
||
1255 | |||
1256 | @@: |
||
1257 | call get_arg.skip_spaces |
||
1258 | test al, al |
||
1259 | jz .err |
||
1260 | cmp al, '=' |
||
1261 | jnz @f |
||
1262 | inc esi |
||
1263 | call get_arg.skip_spaces |
||
1264 | test al, al |
||
1265 | jz .err |
||
1266 | |||
1267 | @@: |
||
1268 | push edi |
||
1269 | call calc_expression |
||
1270 | pop edi |
||
1271 | jc .ret |
||
1272 | ; now edi=register id, ebp=value |
||
1273 | cmp [bSuspended], 0 |
||
1274 | mov esi, aRunningErr |
||
1275 | jz put_message |
||
1276 | xchg eax, ebp |
||
1277 | cmp edi, 24 |
||
1278 | jz .eip |
||
1279 | sub edi, 4 |
||
1280 | jb .8lo |
||
1281 | sub edi, 4 |
||
1282 | jb .8hi |
||
1283 | sub edi, 8 |
||
1284 | jb .16 |
||
1285 | mov [_eax+edi*4], eax |
||
1286 | jmp .ret |
||
1287 | |||
1288 | .16: |
||
1289 | mov word [_eax+(edi+8)*4], ax |
||
1290 | jmp .ret |
||
1291 | |||
1292 | .8lo: |
||
1293 | mov byte [_eax+(edi+4)*4], al |
||
1294 | jmp .ret |
||
1295 | |||
1296 | .8hi: |
||
1297 | mov byte [_eax+(edi+4)*4+1], al |
||
1298 | jmp .ret |
||
1299 | |||
1300 | .eip: |
||
1301 | mov [_eip], eax |
||
1302 | call update_disasm_eip |
||
1303 | |||
1304 | .ret: |
||
1305 | call set_context |
||
1306 | jmp draw_registers.redraw |
||
1307 | |||
1308 | ;----------------------------------------------------------------------------- |
||
1309 | ; Breakpoints manipulation |
||
205 | heavyiron | 1310 | OnBp: |
3675 | GerdtR | 1311 | mov esi, [curarg] |
1312 | call calc_expression |
||
1313 | jc .ret |
||
1314 | xchg eax, ebp |
||
1315 | push eax |
||
1316 | call find_breakpoint |
||
1317 | inc eax |
||
1318 | pop eax |
||
1319 | jz .notfound |
||
1320 | mov esi, aDuplicateBreakpoint |
||
1321 | jmp .sayerr |
||
205 | heavyiron | 1322 | |
3675 | GerdtR | 1323 | .notfound: |
1324 | mov bl, 1 |
||
1325 | call add_breakpoint |
||
1326 | jnc .ret |
||
1327 | mov esi, aBreakpointLimitExceeded |
||
1328 | |||
1329 | .sayerr: |
||
1330 | call put_message |
||
1331 | |||
1332 | .ret: |
||
1333 | jmp draw_disasm.redraw |
||
1334 | |||
205 | heavyiron | 1335 | OnBpmb: |
3675 | GerdtR | 1336 | mov dh, 0011b |
1337 | jmp DoBpm |
||
1338 | |||
205 | heavyiron | 1339 | OnBpmw: |
3675 | GerdtR | 1340 | mov dh, 0111b |
1341 | jmp DoBpm |
||
1342 | |||
205 | heavyiron | 1343 | OnBpmd: |
3675 | GerdtR | 1344 | mov dh, 1111b |
1345 | |||
205 | heavyiron | 1346 | DoBpm: |
3675 | GerdtR | 1347 | mov esi, [curarg] |
1348 | cmp byte [esi], 'w' |
||
1349 | jnz @f |
||
1350 | and dh, not 2 |
||
1351 | inc esi |
||
205 | heavyiron | 1352 | |
3675 | GerdtR | 1353 | @@: |
1354 | push edx |
||
1355 | call calc_expression |
||
1356 | pop edx |
||
1357 | jnc @f |
||
1358 | ret |
||
1359 | |||
1360 | ; ebp = expression, dh = flags |
||
1361 | @@: |
||
1362 | movzx eax, dh |
||
1363 | shr eax, 2 |
||
1364 | test ebp, eax |
||
1365 | jz @f |
||
1366 | mov esi, aUnaligned |
||
1367 | jmp put_message |
||
1368 | |||
1369 | @@: |
||
1370 | mov eax, ebp |
||
1371 | mov bl, 0Bh |
||
1372 | call add_breakpoint |
||
1373 | jnc @f |
||
1374 | mov esi, aBreakpointLimitExceeded |
||
1375 | jmp put_message |
||
1376 | |||
1377 | ; now find index |
||
1378 | @@: |
||
1379 | push eax |
||
1380 | xor ecx, ecx |
||
1381 | |||
1382 | .l1: |
||
1383 | cmp [drx_break+ecx*4], 0 |
||
1384 | jnz .l2 |
||
1385 | ;push 69 |
||
1386 | ;pop eax |
||
1387 | push ecx |
||
1388 | mov dl, cl |
||
1389 | ;mov ecx, [debuggee_pid] |
||
1390 | mov esi, ebp |
||
1391 | ;push 9 |
||
1392 | ;pop ebx |
||
1393 | mcall 69, 9, [debuggee_pid] |
||
1394 | test eax, eax |
||
1395 | jz .ok |
||
1396 | pop ecx |
||
1397 | |||
1398 | .l2: |
||
1399 | inc ecx |
||
1400 | cmp ecx, 4 |
||
1401 | jb .l1 |
||
1402 | pop eax |
||
1403 | call clear_breakpoint |
||
1404 | mov esi, aBreakpointLimitExceeded |
||
1405 | jmp put_message |
||
1406 | |||
1407 | .ok: |
||
1408 | pop ecx |
||
1409 | pop eax |
||
1410 | and byte [edi], not 2 ; breakpoint is enabled |
||
1411 | shl dl, 6 |
||
1412 | or dl, dh |
||
1413 | mov byte [edi+1], dl |
||
1414 | inc eax |
||
1415 | mov [drx_break+ecx*4], eax |
||
1416 | ret |
||
1417 | |||
205 | heavyiron | 1418 | OnBc: |
3675 | GerdtR | 1419 | mov esi, [curarg] |
205 | heavyiron | 1420 | |
3675 | GerdtR | 1421 | @@: |
1422 | call get_hex_number |
||
1423 | jc OnBp.ret |
||
1424 | call clear_breakpoint |
||
1425 | jmp @b |
||
1426 | |||
205 | heavyiron | 1427 | OnBd: |
3675 | GerdtR | 1428 | mov esi, [curarg] |
205 | heavyiron | 1429 | |
3675 | GerdtR | 1430 | @@: |
1431 | call get_hex_number |
||
1432 | jc OnBp.ret |
||
1433 | call disable_breakpoint |
||
1434 | jmp @b |
||
1435 | |||
205 | heavyiron | 1436 | OnBe: |
3675 | GerdtR | 1437 | mov esi, [curarg] |
205 | heavyiron | 1438 | |
3675 | GerdtR | 1439 | @@: |
1440 | call get_hex_number |
||
1441 | jc OnBp.ret |
||
1442 | push eax |
||
1443 | call find_enabled_breakpoint |
||
1444 | pop eax |
||
1445 | jz .err |
||
1446 | call enable_breakpoint |
||
1447 | jmp @b |
||
1448 | |||
1449 | .err: |
||
1450 | mov esi, OnBeErrMsg |
||
1451 | jmp put_message |
||
1452 | |||
1453 | ; TODO: split it out in parser.inc |
||
205 | heavyiron | 1454 | get_hex_number: |
3675 | GerdtR | 1455 | call get_arg.skip_spaces |
1456 | xor ecx, ecx |
||
1457 | xor edx, edx |
||
205 | heavyiron | 1458 | |
3675 | GerdtR | 1459 | @@: |
1460 | lodsb |
||
1461 | call is_hex_digit |
||
1462 | jc .ret |
||
1463 | shl edx, 4 |
||
1464 | or dl, al |
||
1465 | inc ecx |
||
1466 | jmp @b |
||
1467 | |||
1468 | .ret: |
||
1469 | dec esi |
||
1470 | cmp ecx, 1 |
||
1471 | xchg eax, edx |
||
1472 | ret |
||
1473 | |||
1474 | ;----------------------------------------------------------------------------- |
||
1475 | ; Breakpoints list event |
||
1476 | |||
205 | heavyiron | 1477 | OnBl: |
3675 | GerdtR | 1478 | mov esi, [curarg] |
1479 | cmp byte [esi], 0 |
||
1480 | jz .listall |
||
1481 | call get_hex_number |
||
1482 | jc .ret |
||
1483 | cmp eax, breakpoints_n |
||
1484 | jae .err |
||
1485 | push eax |
||
1486 | add eax, eax |
||
1487 | lea edi, [breakpoints + eax + eax*2] |
||
1488 | pop eax |
||
1489 | test byte [edi+4], 1 |
||
1490 | jz .err |
||
1491 | call show_break_info |
||
205 | heavyiron | 1492 | |
3675 | GerdtR | 1493 | .ret: |
1494 | ret |
||
1495 | |||
1496 | .err: |
||
1497 | mov esi, aInvalidBreak |
||
1498 | jmp put_message |
||
1499 | |||
1500 | .listall: |
||
1501 | mov edi, breakpoints |
||
1502 | xor eax, eax |
||
1503 | |||
1504 | @@: |
||
1505 | test byte [edi+4], 1 |
||
1506 | jz .cont |
||
1507 | push edi eax |
||
1508 | call show_break_info |
||
1509 | pop eax edi |
||
1510 | |||
1511 | .cont: |
||
1512 | add edi, 6 |
||
1513 | inc eax |
||
1514 | cmp eax, breakpoints_n |
||
1515 | jb @b |
||
1516 | ret |
||
1517 | |||
1518 | ;----------------------------------------------------------------------------- |
||
1519 | |||
205 | heavyiron | 1520 | show_break_info: |
3675 | GerdtR | 1521 | push edi |
1522 | test byte [edi+4], 8 |
||
1523 | jnz .dr |
||
1524 | push dword [edi] |
||
1525 | push eax |
||
1526 | mov esi, aBreakNum |
||
1527 | call put_message_nodraw |
||
1528 | jmp .cmn |
||
205 | heavyiron | 1529 | |
3675 | GerdtR | 1530 | .dr: |
1531 | push eax |
||
1532 | mov esi, aMemBreak1 |
||
1533 | call put_message_nodraw |
||
1534 | pop edi |
||
1535 | push edi |
||
1536 | mov esi, aMemBreak2 |
||
1537 | test byte [edi+5], 2 |
||
1538 | jz @f |
||
1539 | mov esi, aMemBreak3 |
||
1540 | |||
1541 | @@: |
||
1542 | call put_message_nodraw |
||
1543 | pop edi |
||
1544 | push edi |
||
1545 | mov esi, aMemBreak6 |
||
1546 | test byte [edi+5], 8 |
||
1547 | jnz @f |
||
1548 | mov esi, aMemBreak5 |
||
1549 | test byte [edi+5], 4 |
||
1550 | jnz @f |
||
1551 | mov esi, aMemBreak4 |
||
1552 | |||
1553 | @@: |
||
1554 | call put_message_nodraw |
||
1555 | pop edi |
||
1556 | push edi |
||
1557 | push dword [edi] |
||
1558 | mov esi, aMemBreak7 |
||
1559 | call put_message_nodraw |
||
1560 | |||
1561 | .cmn: |
||
1562 | pop edi |
||
1563 | test byte [edi+4], 2 |
||
1564 | jz @f |
||
1565 | push edi |
||
1566 | mov esi, aDisabled |
||
1567 | call put_message_nodraw |
||
1568 | pop edi |
||
1569 | |||
1570 | @@: |
||
1571 | test byte [edi+4], 4 |
||
1572 | jz @f |
||
1573 | mov esi, aOneShot |
||
1574 | call put_message_nodraw |
||
1575 | |||
1576 | @@: |
||
1577 | mov esi, newline |
||
1578 | jmp put_message |
||
1579 | |||
1580 | ;----------------------------------------------------------------------------- |
||
1581 | ; Add breakpoint |
||
1582 | ; in: EAX = address; BL = flags |
||
1583 | ; out: CF = 1 => error |
||
1584 | ; CF = 0 and EAX = breakpoint number |
||
1585 | |||
205 | heavyiron | 1586 | add_breakpoint: |
3675 | GerdtR | 1587 | xor ecx, ecx |
1588 | mov edi, breakpoints |
||
205 | heavyiron | 1589 | |
3675 | GerdtR | 1590 | @@: |
1591 | test byte [edi+4], 1 |
||
1592 | jz .found |
||
1593 | add edi, 6 |
||
1594 | inc ecx |
||
1595 | cmp ecx, breakpoints_n |
||
1596 | jb @b |
||
1597 | stc |
||
1598 | ret |
||
1599 | |||
1600 | .found: |
||
1601 | stosd |
||
1602 | xchg eax, ecx |
||
1603 | mov [edi], bl |
||
1604 | test bl, 2 |
||
1605 | jnz @f |
||
1606 | or byte [edi], 2 |
||
1607 | push eax |
||
1608 | call enable_breakpoint |
||
1609 | pop eax |
||
1610 | |||
1611 | @@: |
||
1612 | clc |
||
1613 | ret |
||
1614 | |||
1615 | ;----------------------------------------------------------------------------- |
||
1616 | ; Remove breakpoint |
||
1617 | |||
205 | heavyiron | 1618 | clear_breakpoint: |
3675 | GerdtR | 1619 | cmp eax, breakpoints_n |
1620 | jae .ret |
||
1621 | mov ecx, 4 |
||
1622 | inc eax |
||
205 | heavyiron | 1623 | |
3675 | GerdtR | 1624 | .1: |
1625 | cmp [drx_break-4+ecx*4], eax |
||
1626 | jnz @f |
||
1627 | and [drx_break-4+ecx*4], 0 |
||
1628 | |||
1629 | @@: |
||
1630 | loop .1 |
||
1631 | dec eax |
||
1632 | push eax |
||
1633 | add eax, eax |
||
1634 | lea edi, [breakpoints + eax + eax*2 + 4] |
||
1635 | test byte [edi], 1 |
||
1636 | pop eax |
||
1637 | jz .ret |
||
1638 | push edi |
||
1639 | call disable_breakpoint |
||
1640 | pop edi |
||
1641 | mov byte [edi], 0 |
||
1642 | |||
1643 | .ret: |
||
1644 | ret |
||
1645 | |||
1646 | ;----------------------------------------------------------------------------- |
||
1647 | ; Disable breakpoint |
||
1648 | |||
205 | heavyiron | 1649 | disable_breakpoint: |
3675 | GerdtR | 1650 | cmp eax, breakpoints_n |
1651 | jae .ret |
||
1652 | add eax, eax |
||
1653 | lea edi, [breakpoints + eax + eax*2 + 5] |
||
1654 | test byte [edi-1], 1 |
||
1655 | jz .ret |
||
1656 | test byte [edi-1], 2 |
||
1657 | jnz .ret |
||
1658 | or byte [edi-1], 2 |
||
1659 | test byte [edi-1], 8 |
||
1660 | jnz .dr |
||
1661 | push esi |
||
1662 | ;push 7 |
||
1663 | ;pop ebx |
||
1664 | ;push 69 |
||
1665 | ;pop eax |
||
1666 | ;mov ecx, [debuggee_pid] |
||
1667 | ;xor edx, edx |
||
1668 | ;inc edx |
||
1669 | ;mov esi, [edi-5] |
||
1670 | mcall 69, 7, [debuggee_pid], 1, [edi-5] |
||
1671 | pop esi |
||
205 | heavyiron | 1672 | |
3675 | GerdtR | 1673 | .ret: |
1674 | ret |
||
1675 | |||
1676 | .dr: |
||
1677 | mov dl, [edi] |
||
1678 | shr dl, 6 |
||
1679 | mov dh, 80h |
||
1680 | ;push 69 |
||
1681 | ;pop eax |
||
1682 | ;push 9 |
||
1683 | ;pop ebx |
||
1684 | ;mov ecx, [debuggee_pid] |
||
1685 | mcall 69, 9, [debuggee_pid] |
||
1686 | ret |
||
1687 | |||
1688 | ;----------------------------------------------------------------------------- |
||
1689 | ; Enable breakpoint |
||
1690 | |||
205 | heavyiron | 1691 | enable_breakpoint: |
3675 | GerdtR | 1692 | push esi |
1693 | cmp eax, breakpoints_n |
||
1694 | jae .ret |
||
1695 | add eax, eax |
||
1696 | lea edi, [breakpoints + eax + eax*2 + 5] |
||
1697 | test byte [edi-1], 1 |
||
1698 | jz .ret |
||
1699 | test byte [edi-1], 2 |
||
1700 | jz .ret |
||
1701 | and byte [edi-1], not 2 |
||
1702 | test byte [edi-1], 8 |
||
1703 | jnz .dr |
||
1704 | ;push 6 |
||
1705 | ;pop ebx |
||
1706 | ;push 69 |
||
1707 | ;pop eax |
||
1708 | ;mov esi, [edi-5] |
||
1709 | ;mov ecx, [debuggee_pid] |
||
1710 | ;xor edx, edx |
||
1711 | ;inc edx |
||
1712 | mcall 69, 6, [debuggee_pid], 1, [edi-5] |
||
1713 | dec eax |
||
1714 | jnz .err |
||
1715 | ;mov al, 69 |
||
1716 | push 0xCC |
||
1717 | mov edi, esp |
||
1718 | inc ebx |
||
1719 | mcall 69 |
||
1720 | pop eax |
||
205 | heavyiron | 1721 | |
3675 | GerdtR | 1722 | .ret: |
1723 | pop esi |
||
1724 | ret |
||
205 | heavyiron | 1725 | |
3675 | GerdtR | 1726 | .err: |
1727 | or byte [edi-1], 2 |
||
1728 | mov esi, aBreakErr |
||
1729 | call put_message |
||
1730 | pop esi |
||
1731 | ret |
||
205 | heavyiron | 1732 | |
3675 | GerdtR | 1733 | .dr: |
1734 | ;push 9 |
||
1735 | ;pop ebx |
||
1736 | ;push 69 |
||
1737 | ;pop eax |
||
1738 | mov esi, [edi-5] |
||
1739 | ;mov ecx, [debuggee_pid] |
||
1740 | mov dl, [edi] |
||
1741 | shr dl, 6 |
||
1742 | mov dh, [edi] |
||
1743 | and dh, 0xF |
||
1744 | mcall 69, 9, [debuggee_pid] |
||
1745 | test eax, eax |
||
1746 | jnz .err |
||
1747 | pop esi |
||
1748 | ret |
||
205 | heavyiron | 1749 | |
3675 | GerdtR | 1750 | ;----------------------------------------------------------------------------- |
1751 | ; Find breakpoint |
||
542 | diamond | 1752 | |
3675 | GerdtR | 1753 | find_breakpoint: |
1754 | xor ecx, ecx |
||
1755 | xchg eax, ecx |
||
1756 | mov edi, breakpoints |
||
542 | diamond | 1757 | |
3675 | GerdtR | 1758 | @@: |
1759 | test byte [edi+4], 1 |
||
1760 | jz .cont |
||
1761 | test byte [edi+4], 8 |
||
1762 | jnz .cont |
||
1763 | cmp [edi], ecx |
||
1764 | jz .found |
||
542 | diamond | 1765 | |
3675 | GerdtR | 1766 | .cont: |
1767 | add edi, 6 |
||
1768 | inc eax |
||
1769 | cmp eax, breakpoints_n |
||
1770 | jb @b |
||
1771 | or eax, -1 |
||
542 | diamond | 1772 | |
3675 | GerdtR | 1773 | .found: |
1774 | ret |
||
542 | diamond | 1775 | |
3675 | GerdtR | 1776 | ;----------------------------------------------------------------------------- |
1777 | ; |
||
542 | diamond | 1778 | |
3675 | GerdtR | 1779 | find_enabled_breakpoint: |
1780 | xor ecx, ecx |
||
1781 | xchg eax, ecx |
||
1782 | mov edi, breakpoints |
||
542 | diamond | 1783 | |
3675 | GerdtR | 1784 | @@: |
1785 | test byte [edi+4], 1 |
||
1786 | jz .cont |
||
1787 | test byte [edi+4], 2 or 8 |
||
1788 | jnz .cont |
||
1789 | cmp [edi], ecx |
||
1790 | jz .found |
||
542 | diamond | 1791 | |
3675 | GerdtR | 1792 | .cont: |
1793 | add edi, 6 |
||
1794 | inc eax |
||
1795 | cmp eax, breakpoints_n |
||
1796 | jb @b |
||
1797 | or eax, -1 |
||
205 | heavyiron | 1798 | |
3675 | GerdtR | 1799 | .found: |
1800 | ret |
||
205 | heavyiron | 1801 | |
3675 | GerdtR | 1802 | ; TODO: add find_disabled_breakpoint |
205 | heavyiron | 1803 | |
3675 | GerdtR | 1804 | ;----------------------------------------------------------------------------- |
1805 | ; Unpack executable event |
||
205 | heavyiron | 1806 | |
3675 | GerdtR | 1807 | OnUnpack: |
1808 | ; program must be loaded - checked when command was parsed |
||
1809 | ; program must be stopped |
||
1810 | mov esi, aRunningErr |
||
1811 | cmp [bSuspended], 0 |
||
1812 | jz put_message |
||
1813 | ; all breakpoints must be disabled |
||
1814 | mov edi, breakpoints |
||
205 | heavyiron | 1815 | |
3675 | GerdtR | 1816 | @@: |
1817 | test byte [edi+4], 1 |
||
1818 | jz .cont |
||
1819 | test byte [edi+4], 2 |
||
1820 | jnz .cont |
||
1821 | mov esi, aEnabledBreakErr |
||
1822 | jmp put_message |
||
205 | heavyiron | 1823 | |
3675 | GerdtR | 1824 | .cont: |
1825 | add edi, 6 |
||
1826 | cmp edi, breakpoints+breakpoints_n*6 |
||
1827 | jb @b |
||
1828 | ; ok, now do it |
||
1829 | ; set breakpoint on 0xC dword access |
||
1830 | push 9 |
||
1831 | pop ebx |
||
1832 | mov ecx, [debuggee_pid] |
||
1833 | mov dx, 1111b*256 |
||
1834 | push 0xC |
||
1835 | pop esi |
||
205 | heavyiron | 1836 | |
3675 | GerdtR | 1837 | @@: |
1838 | ;push 69 |
||
1839 | ;pop eax |
||
1840 | mcall 69 |
||
1841 | test eax, eax |
||
1842 | jz .breakok |
||
1843 | inc edx |
||
1844 | cmp dl, 4 |
||
1845 | jb @b |
||
809 | diamond | 1846 | |
3675 | GerdtR | 1847 | .breakok: |
1848 | call GoOn |
||
809 | diamond | 1849 | |
3675 | GerdtR | 1850 | ; now wait for event |
1851 | .wait: |
||
1852 | ;push 10 |
||
1853 | ;pop eax |
||
1854 | mcall 10 |
||
1855 | dec eax |
||
1856 | jz .redraw |
||
1857 | dec eax |
||
1858 | jz .key |
||
1859 | dec eax |
||
1860 | jnz .debug |
||
1861 | ; button; we have only one button, close |
||
1862 | or eax, -1 |
||
1863 | mcall |
||
205 | heavyiron | 1864 | |
3675 | GerdtR | 1865 | .redraw: |
1866 | call draw_window |
||
1867 | jmp .wait |
||
205 | heavyiron | 1868 | |
3675 | GerdtR | 1869 | .key: |
1870 | mov al, 2 |
||
1871 | mcall |
||
1872 | cmp ah, 3 ; Ctrl+C |
||
1873 | jnz .wait |
||
205 | heavyiron | 1874 | |
3675 | GerdtR | 1875 | .userbreak: |
1876 | mov esi, aInterrupted |
||
205 | heavyiron | 1877 | |
3675 | GerdtR | 1878 | .x1: |
1879 | push edx esi |
||
1880 | call put_message |
||
1881 | pop esi edx |
||
1882 | or dh, 80h |
||
1883 | ;push 69 |
||
1884 | ;pop eax |
||
1885 | ;push 9 |
||
1886 | ;pop ebx |
||
1887 | ;mov ecx, [debuggee_pid] |
||
1888 | mcall 69, 9, [debuggee_pid] |
||
1889 | cmp esi, aUnpacked |
||
1890 | jnz OnSuspend |
||
1891 | jmp AfterSuspend |
||
205 | heavyiron | 1892 | |
3675 | GerdtR | 1893 | .debug: |
1894 | cmp [dbgbuflen], 4*3 |
||
1895 | jnz .notour |
||
1896 | cmp dword [dbgbuf], 3 |
||
1897 | jnz .notour |
||
1898 | test byte [dbgbuf+8], 1 |
||
1899 | jnz .our |
||
205 | heavyiron | 1900 | |
3675 | GerdtR | 1901 | .notour: |
1902 | mov esi, aInterrupted |
||
1903 | push edx |
||
1904 | call put_message |
||
1905 | pop edx |
||
1906 | or dh, 80h |
||
1907 | ;push 69 |
||
1908 | ;pop eax |
||
1909 | ;push 9 |
||
1910 | ;pop ebx |
||
1911 | ;mov ecx, [debuggee_pid] |
||
1912 | mcall 69, 9, [debuggee_pid] |
||
1913 | jmp debugmsg |
||
205 | heavyiron | 1914 | |
3675 | GerdtR | 1915 | .our: |
1916 | and [dbgbuflen], 0 |
||
1917 | push edx |
||
1918 | call get_context |
||
1919 | push eax |
||
1920 | ;mov al, 69 |
||
1921 | ;mov bl, 6 |
||
1922 | ;mov ecx, [debuggee_pid] |
||
1923 | ;mov edi, esp |
||
1924 | ;push 4 |
||
1925 | ;pop edx |
||
1926 | ;push 0xC |
||
1927 | ;pop esi |
||
1928 | mcall 69, 6, [debuggee_pid], 4, 0xC, esp |
||
1929 | pop eax |
||
1930 | pop edx |
||
1931 | cmp eax, [_eip] |
||
1932 | jz .done |
||
1933 | call DoResume |
||
1934 | jmp .wait |
||
205 | heavyiron | 1935 | |
3675 | GerdtR | 1936 | .done: |
1937 | mov esi, aUnpacked |
||
1938 | jmp .x1 |
||
809 | diamond | 1939 | |
3675 | GerdtR | 1940 | ;----------------------------------------------------------------------------- |
1941 | ; Working with program symbols |
||
1942 | ; |
||
1943 | ; TODO: split to symbols.inc |
||
205 | heavyiron | 1944 | |
3675 | GerdtR | 1945 | include 'sort.inc' |
205 | heavyiron | 1946 | |
3675 | GerdtR | 1947 | ; compare what? Add context-relative comment and name |
1948 | compare: |
||
1949 | cmpsd |
||
1950 | jnz @f |
||
1951 | cmp esi, edi |
||
205 | heavyiron | 1952 | |
3675 | GerdtR | 1953 | @@: |
1954 | ret |
||
205 | heavyiron | 1955 | |
3675 | GerdtR | 1956 | ; purpose of this function? |
1957 | compare2: |
||
1958 | cmpsd |
||
205 | heavyiron | 1959 | |
3675 | GerdtR | 1960 | @@: |
1961 | cmpsb |
||
1962 | jnz @f |
||
1963 | cmp byte [esi-1], 0 |
||
1964 | jnz @b |
||
1965 | cmp esi, edi |
||
205 | heavyiron | 1966 | |
3675 | GerdtR | 1967 | @@: |
1968 | ret |
||
205 | heavyiron | 1969 | |
3675 | GerdtR | 1970 | free_symbols: |
1971 | mov ecx, [symbols] |
||
1972 | jecxz @f |
||
1973 | mcall 68, 13 |
||
1974 | and [symbols], 0 |
||
1975 | and [num_symbols], 0 |
||
205 | heavyiron | 1976 | |
3675 | GerdtR | 1977 | @@: |
1978 | ret |
||
1979 | ;----------------------------------------------------------------------------- |
||
1980 | ; Load symbols event |
||
205 | heavyiron | 1981 | |
3675 | GerdtR | 1982 | OnLoadSymbols.fileerr: |
1983 | test ebp, ebp |
||
1984 | jz @f |
||
1985 | mcall 68, 13, edi |
||
1986 | ret |
||
205 | heavyiron | 1987 | |
3675 | GerdtR | 1988 | @@: |
1989 | push eax |
||
1990 | mcall 68, 13, edi |
||
1991 | mov esi, aCannotLoadFile |
||
1992 | call put_message_nodraw |
||
1993 | pop eax |
||
1994 | cmp eax, 0x20 |
||
1995 | jae .unk |
||
1996 | mov esi, [load_err_msgs + eax*4] |
||
1997 | test esi, esi |
||
1998 | jnz put_message |
||
205 | heavyiron | 1999 | |
3675 | GerdtR | 2000 | .unk: |
2001 | mov esi, unk_err_msg2 |
||
2002 | jmp put_message |
||
205 | heavyiron | 2003 | |
3675 | GerdtR | 2004 | OnLoadSymbols: |
2005 | xor ebp, ebp |
||
2006 | ; load input file |
||
2007 | mov esi, [curarg] |
||
2008 | call free_symbols |
||
809 | diamond | 2009 | |
3675 | GerdtR | 2010 | .silent: |
2011 | xor edi, edi |
||
2012 | cmp [num_symbols], edi |
||
2013 | jz @f |
||
2014 | |||
2015 | call free_symbols |
||
2016 | ;ret |
||
2017 | |||
2018 | @@: |
||
2019 | mov ebx, fn70_attr_block |
||
2020 | mov [ebx+21], esi |
||
2021 | mcall 70 |
||
2022 | test eax, eax |
||
2023 | jnz .fileerr |
||
2024 | cmp dword [fileattr+36], edi |
||
2025 | jnz .memerr |
||
2026 | mov ecx, dword [fileattr+32] |
||
2027 | mcall 68, 12 |
||
2028 | test eax, eax |
||
2029 | jz .memerr |
||
2030 | mov edi, eax |
||
2031 | mov ebx, fn70_read_block |
||
2032 | mov [ebx+12], ecx |
||
2033 | mov [ebx+16], edi |
||
2034 | mov [ebx+21], esi |
||
2035 | mcall 70 |
||
2036 | test eax, eax |
||
2037 | jnz .fileerr |
||
2038 | ; calculate memory requirements |
||
2039 | lea edx, [ecx+edi-1] ; edx = EOF-1 |
||
2040 | mov esi, edi |
||
2041 | xor ecx, ecx |
||
809 | diamond | 2042 | |
3675 | GerdtR | 2043 | .calcloop: |
2044 | cmp esi, edx |
||
2045 | jae .calcdone |
||
2046 | cmp word [esi], '0x' |
||
2047 | jnz .skipline |
||
2048 | inc esi |
||
2049 | inc esi |
||
809 | diamond | 2050 | |
3675 | GerdtR | 2051 | @@: |
2052 | cmp esi, edx |
||
2053 | jae .calcdone |
||
2054 | lodsb |
||
2055 | or al, 20h |
||
2056 | sub al, '0' |
||
2057 | cmp al, 9 |
||
2058 | jbe @b |
||
2059 | sub al, 'a'-'0'-10 |
||
2060 | cmp al, 15 |
||
2061 | jbe @b |
||
2062 | dec esi |
||
205 | heavyiron | 2063 | |
3675 | GerdtR | 2064 | @@: |
2065 | cmp esi, edx |
||
2066 | ja .calcdone |
||
2067 | lodsb |
||
2068 | cmp al, 20h |
||
2069 | jz @b |
||
2070 | jb .calcloop |
||
2071 | cmp al, 9 |
||
2072 | jz @b |
||
2073 | add ecx, 12+1 |
||
2074 | inc [num_symbols] |
||
809 | diamond | 2075 | |
3675 | GerdtR | 2076 | @@: |
2077 | inc ecx |
||
2078 | cmp esi, edx |
||
2079 | ja .calcdone |
||
2080 | lodsb |
||
2081 | cmp al, 0xD |
||
2082 | jz .calcloop |
||
2083 | cmp al, 0xA |
||
2084 | jz .calcloop |
||
2085 | jmp @b |
||
205 | heavyiron | 2086 | |
3675 | GerdtR | 2087 | .skipline: |
2088 | cmp esi, edx |
||
2089 | jae .calcdone |
||
2090 | lodsb |
||
2091 | cmp al, 0xD |
||
2092 | jz .calcloop |
||
2093 | cmp al, 0xA |
||
2094 | jz .calcloop |
||
2095 | jmp .skipline |
||
542 | diamond | 2096 | |
3675 | GerdtR | 2097 | .calcdone: |
2098 | mcall 68, 12 |
||
2099 | test eax, eax |
||
2100 | jnz .memok |
||
2101 | inc ebx |
||
2102 | mov ecx, edi |
||
2103 | mov al, 68 |
||
2104 | mcall |
||
205 | heavyiron | 2105 | |
3675 | GerdtR | 2106 | .memerr: |
2107 | mov esi, aNoMemory |
||
2108 | jmp put_message |
||
205 | heavyiron | 2109 | |
3675 | GerdtR | 2110 | .memok: |
2111 | mov [symbols], eax |
||
2112 | mov ebx, eax |
||
2113 | push edi |
||
2114 | mov esi, edi |
||
2115 | mov edi, [num_symbols] |
||
2116 | lea ebp, [eax+edi*4] |
||
2117 | lea edi, [eax+edi*8] |
||
205 | heavyiron | 2118 | |
3675 | GerdtR | 2119 | ; parse input data, |
2120 | ; esi->input, edx->EOF, ebx->ptrs, edi->names |
||
2121 | .readloop: |
||
2122 | cmp esi, edx |
||
2123 | jae .readdone |
||
2124 | cmp word [esi], '0x' |
||
2125 | jnz .readline |
||
2126 | inc esi |
||
2127 | inc esi |
||
2128 | xor eax, eax |
||
2129 | xor ecx, ecx |
||
205 | heavyiron | 2130 | |
3675 | GerdtR | 2131 | @@: |
2132 | shl ecx, 4 |
||
2133 | add ecx, eax |
||
2134 | cmp esi, edx |
||
2135 | jae .readdone |
||
2136 | lodsb |
||
2137 | or al, 20h |
||
2138 | sub al, '0' |
||
2139 | cmp al, 9 |
||
2140 | jbe @b |
||
2141 | sub al, 'a'-'0'-10 |
||
2142 | cmp al, 15 |
||
2143 | jbe @b |
||
2144 | dec esi |
||
809 | diamond | 2145 | |
3675 | GerdtR | 2146 | @@: |
2147 | cmp esi, edx |
||
2148 | ja .readdone |
||
2149 | lodsb |
||
2150 | cmp al, 20h |
||
2151 | jz @b |
||
2152 | jb .readloop |
||
2153 | cmp al, 9 |
||
2154 | jz @b |
||
2155 | mov dword [ebx], edi |
||
2156 | add ebx, 4 |
||
2157 | mov dword [ebp], edi |
||
2158 | add ebp, 4 |
||
2159 | mov dword [edi], ecx |
||
2160 | add edi, 4 |
||
2161 | stosb |
||
205 | heavyiron | 2162 | |
3675 | GerdtR | 2163 | @@: |
2164 | xor eax, eax |
||
2165 | stosb |
||
2166 | cmp esi, edx |
||
2167 | ja .readdone |
||
2168 | lodsb |
||
2169 | cmp al, 0xD |
||
2170 | jz .readloop |
||
2171 | cmp al, 0xA |
||
2172 | jz .readloop |
||
2173 | mov byte [edi-1], al |
||
2174 | jmp @b |
||
205 | heavyiron | 2175 | |
3675 | GerdtR | 2176 | .readline: |
2177 | cmp esi, edx |
||
2178 | jae .readdone |
||
2179 | lodsb |
||
2180 | cmp al, 0xD |
||
2181 | jz .readloop |
||
2182 | cmp al, 0xA |
||
2183 | jz .readloop |
||
2184 | jmp .readline |
||
205 | heavyiron | 2185 | |
3675 | GerdtR | 2186 | .readdone: |
2187 | pop ecx |
||
2188 | mcall 68, 13 |
||
2189 | mov ecx, [num_symbols] |
||
2190 | mov edx, [symbols] |
||
2191 | mov ebx, compare |
||
2192 | call sort |
||
2193 | mov ecx, [num_symbols] |
||
2194 | lea edx, [edx+ecx*4] |
||
2195 | mov ebx, compare2 |
||
2196 | call sort |
||
2197 | mov esi, aSymbolsLoaded |
||
2198 | call put_message |
||
2199 | jmp draw_disasm.redraw |
||
205 | heavyiron | 2200 | |
3675 | GerdtR | 2201 | ;----------------------------------------------------------------------------- |
2202 | ; |
||
2203 | ; in: EAX = address |
||
2204 | ; out: ESI, CF |
||
205 | heavyiron | 2205 | |
3675 | GerdtR | 2206 | find_symbol: |
2207 | cmp [num_symbols], 0 |
||
2208 | jnz @f |
||
205 | heavyiron | 2209 | |
3675 | GerdtR | 2210 | .ret0: |
2211 | xor esi, esi |
||
2212 | stc |
||
2213 | ret |
||
205 | heavyiron | 2214 | |
3675 | GerdtR | 2215 | @@: |
2216 | push ebx ecx edx |
||
2217 | xor edx, edx |
||
2218 | mov esi, [symbols] |
||
2219 | mov ecx, [num_symbols] |
||
2220 | mov ebx, [esi] |
||
2221 | cmp [ebx], eax |
||
2222 | jz .donez |
||
2223 | jb @f |
||
2224 | pop edx ecx ebx |
||
2225 | jmp .ret0 |
||
809 | diamond | 2226 | |
3675 | GerdtR | 2227 | @@: |
2228 | ; invariant: symbols_addr[edx] < eax < symbols_addr[ecx] |
||
2229 | ; TODO: add meaningful label names |
||
2230 | .0: |
||
2231 | push edx |
||
205 | heavyiron | 2232 | |
3675 | GerdtR | 2233 | .1: |
2234 | add edx, ecx |
||
2235 | sar edx, 1 |
||
2236 | cmp edx, [esp] |
||
2237 | jz .done2 |
||
2238 | mov ebx, [esi+edx*4] |
||
2239 | cmp [ebx], eax |
||
2240 | jz .done |
||
2241 | ja .2 |
||
2242 | mov [esp], edx |
||
2243 | jmp .1 |
||
205 | heavyiron | 2244 | |
3675 | GerdtR | 2245 | .2: |
2246 | mov ecx, edx |
||
2247 | pop edx |
||
2248 | jmp .0 |
||
205 | heavyiron | 2249 | |
3675 | GerdtR | 2250 | .donecont: |
2251 | dec edx |
||
205 | heavyiron | 2252 | |
3675 | GerdtR | 2253 | .done: |
2254 | test edx, edx |
||
2255 | jz @f |
||
2256 | mov ebx, [esi+edx*4-4] |
||
2257 | cmp [ebx], eax |
||
2258 | jz .donecont |
||
205 | heavyiron | 2259 | |
3675 | GerdtR | 2260 | @@: |
2261 | pop ecx |
||
205 | heavyiron | 2262 | |
3675 | GerdtR | 2263 | .donez: |
2264 | mov esi, [esi+edx*4] |
||
2265 | add esi, 4 |
||
2266 | pop edx ecx ebx |
||
2267 | clc |
||
2268 | ret |
||
205 | heavyiron | 2269 | |
3675 | GerdtR | 2270 | .done2: |
2271 | lea esi, [esi+edx*4] |
||
2272 | pop ecx edx ecx ebx |
||
2273 | stc |
||
2274 | ret |
||
205 | heavyiron | 2275 | |
3675 | GerdtR | 2276 | ;----------------------------------------------------------------------------- |
2277 | ; |
||
2278 | ; in: esi->name |
||
2279 | ; out: if found: CF = 0, EAX = value |
||
2280 | ; otherwise CF = 1 |
||
2281 | find_symbol_name: |
||
2282 | cmp [num_symbols], 0 |
||
2283 | jnz @f |
||
205 | heavyiron | 2284 | |
3675 | GerdtR | 2285 | .stc_ret: |
2286 | stc |
||
2287 | ret |
||
205 | heavyiron | 2288 | |
3675 | GerdtR | 2289 | @@: |
2290 | push ebx ecx edx edi |
||
2291 | push -1 |
||
2292 | pop edx |
||
2293 | mov ebx, [symbols] |
||
2294 | mov ecx, [num_symbols] |
||
2295 | lea ebx, [ebx+ecx*4] |
||
2296 | |||
2297 | ; invariant: symbols_name[edx] < name < symbols_name[ecx] |
||
2298 | .0: |
||
2299 | push edx |
||
542 | diamond | 2300 | |
3675 | GerdtR | 2301 | .1: |
2302 | add edx, ecx |
||
2303 | sar edx, 1 |
||
2304 | cmp edx, [esp] |
||
2305 | jz .done2 |
||
2306 | call .cmp |
||
2307 | jz .done |
||
2308 | jb .2 |
||
2309 | mov [esp], edx |
||
2310 | jmp .1 |
||
542 | diamond | 2311 | |
3675 | GerdtR | 2312 | .2: |
2313 | mov ecx, edx |
||
2314 | pop edx |
||
2315 | jmp .0 |
||
542 | diamond | 2316 | |
3675 | GerdtR | 2317 | .done: |
2318 | pop ecx |
||
542 | diamond | 2319 | |
3675 | GerdtR | 2320 | .donez: |
2321 | mov eax, [ebx+edx*4] |
||
2322 | mov eax, [eax] |
||
2323 | pop edi edx ecx ebx |
||
2324 | clc |
||
2325 | ret |
||
542 | diamond | 2326 | |
3675 | GerdtR | 2327 | .done2: |
2328 | pop edx edi edx ecx ebx |
||
2329 | stc |
||
2330 | ret |
||
809 | diamond | 2331 | |
3675 | GerdtR | 2332 | .cmp: |
2333 | mov edi, [ebx+edx*4] |
||
2334 | push esi |
||
2335 | add edi, 4 |
||
809 | diamond | 2336 | |
3675 | GerdtR | 2337 | @@: |
2338 | cmpsb |
||
2339 | jnz @f |
||
2340 | cmp byte [esi-1], 0 |
||
2341 | jnz @b |
||
542 | diamond | 2342 | |
3675 | GerdtR | 2343 | @@: |
2344 | pop esi |
||
2345 | ret |
||
809 | diamond | 2346 | |
3675 | GerdtR | 2347 | ;----------------------------------------------------------------------------- |
2348 | ; Include disassembler engine |
||
2349 | |||
2350 | include 'disasm.inc' |
||
2351 | |||
205 | heavyiron | 2352 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2353 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DATA ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
2354 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
2355 | |||
2356 | caption_str db 'Kolibri Debugger',0 |
||
2357 | caption_len = $ - caption_str |
||
2358 | |||
4285 | tserj | 2359 | begin_str db 'Kolibri Debugger, version 0.33',10 |
3675 | GerdtR | 2360 | db 'Hint: type "help" for help, "quit" for quit' |
2361 | newline db 10,0 |
||
2362 | prompt db '> ',0 |
||
2363 | |||
205 | heavyiron | 2364 | help_groups: |
3675 | GerdtR | 2365 | dd aControl, 0, 0, help_control_msg |
2366 | db 0 |
||
2367 | dd aData, 0, 0, help_data_msg |
||
2368 | db 0 |
||
2369 | dd aBreakpoints, 0, 0, help_breaks_msg |
||
2370 | db 0 |
||
2371 | |||
2372 | ;----------------------------------------------------------------------------- |
||
2373 | ; Commands format definitions |
||
2374 | |||
2375 | ; TODO: make it with macros |
||
2376 | |||
205 | heavyiron | 2377 | ; flags field: |
2378 | ; &1: command may be called without parameters |
||
2379 | ; &2: command may be called with parameters |
||
2380 | ; &4: command may be called without loaded program |
||
2381 | ; &8: command may be called with loaded program |
||
2382 | commands: |
||
3675 | GerdtR | 2383 | dd _aH, OnHelp, HelpSyntax, HelpHelp |
2384 | db 0Fh |
||
2385 | dd aHelp, OnHelp, HelpSyntax, HelpHelp |
||
2386 | db 0Fh |
||
2387 | dd aQuit, OnQuit, QuitSyntax, QuitHelp |
||
2388 | db 0Dh |
||
2389 | dd aLoad, OnLoad, LoadSyntax, LoadHelp |
||
2390 | db 6 |
||
2391 | dd aReload, OnReload, ReloadSyntax, ReloadHelp |
||
2392 | db 0Dh |
||
2393 | dd aTerminate, OnTerminate, TerminateSyntax, TerminateHelp |
||
2394 | db 9 |
||
2395 | dd aDetach, OnDetach, DetachSyntax, DetachHelp |
||
2396 | db 9 |
||
2397 | dd aSuspend, OnSuspend, SuspendSyntax, SuspendHelp |
||
2398 | db 9 |
||
2399 | dd aResume, OnResume, ResumeSyntax, ResumeHelp |
||
2400 | db 0Bh |
||
4443 | clevermous | 2401 | dd aStep, OnStepMultiple, StepSyntax, StepHelp |
3675 | GerdtR | 2402 | db 0Bh |
2403 | dd aProceed, OnProceed, ProceedSyntax, ProceedHelp |
||
2404 | db 0Bh |
||
2405 | dd aCalc, OnCalc, CalcSyntax, CalcHelp |
||
2406 | db 0Eh |
||
2407 | dd aDump, OnDump, DumpSyntax, DumpHelp |
||
2408 | db 0Bh |
||
2409 | dd aUnassemble, OnUnassemble, UnassembleSyntax, UnassembleHelp |
||
2410 | db 0Bh |
||
2411 | dd aBp, OnBp, BpSyntax, BpHelp |
||
2412 | db 0Ah |
||
2413 | dd aBpm, OnBpmb, BpmSyntax, BpmHelp |
||
2414 | db 0Ah |
||
2415 | dd aBpmb, OnBpmb, BpmSyntax, BpmHelp |
||
2416 | db 0Ah |
||
2417 | dd aBpmw, OnBpmw, BpmSyntax, BpmHelp |
||
2418 | db 0Ah |
||
2419 | dd aBpmd, OnBpmd, BpmSyntax, BpmHelp |
||
2420 | db 0Ah |
||
2421 | dd aBl, OnBl, BlSyntax, BlHelp |
||
2422 | db 0Bh |
||
2423 | dd aBc, OnBc, BcSyntax, BcHelp |
||
2424 | db 0Ah |
||
2425 | dd aBd, OnBd, BdSyntax, BdHelp |
||
2426 | db 0Ah |
||
2427 | dd aBe, OnBe, BeSyntax, BeHelp |
||
2428 | db 0Ah |
||
2429 | dd aReg, OnReg, RSyntax, RHelp |
||
2430 | db 0Ah |
||
2431 | dd aUnpack, OnUnpack, UnpackSyntax, UnpackHelp |
||
2432 | db 9 |
||
2433 | dd aLoadSymbols, OnLoadSymbols, LoadSymbolsSyntax, LoadSymbolsHelp |
||
2434 | db 0Ah |
||
2435 | dd 0 |
||
205 | heavyiron | 2436 | |
3675 | GerdtR | 2437 | ;----------------------------------------------------------------------------- |
2438 | ; Help messages for commands groups |
||
2439 | |||
2440 | aHelp db 5,'help',0 |
||
2441 | _aH db 2,'h',0 |
||
2442 | HelpHelp db 'Help on specified function',10 |
||
2443 | HelpSyntax db 'Usage: h or help [group | command]',10,0 |
||
2444 | |||
2445 | help_msg db 'List of known command groups:',10 |
||
2446 | db '"help control" - display list of control commands',10 |
||
2447 | db '"help data" - display list of commands concerning data',10 |
||
2448 | db '"help breakpoints" - display list of commands concerning breakpoints',10,0 |
||
2449 | |||
2450 | ; Control commands group |
||
2451 | |||
2452 | aControl db 8,'control',0 |
||
2453 | help_control_msg db 'List of control commands:',10 |
||
2454 | db 'h = help - help',10 |
||
2455 | db 'quit - exit from debugger',10 |
||
2456 | db 'load |
||
2457 | db 'reload - reload debugging program',10 |
||
2458 | db 'load-symbols |
||
2459 | db 'terminate - terminate loaded program',10 |
||
2460 | db 'detach - detach from debugging program',10 |
||
2461 | db 'stop - suspend execution of debugging program',10 |
||
2462 | db 'g [ |
||
4590 | clevermous | 2463 | db 's [ |
2464 | db 'p [ |
||
3675 | GerdtR | 2465 | db 'unpack - try to bypass unpacker code (heuristic)',10,0 |
2466 | |||
2467 | ; Data commands group |
||
2468 | |||
2469 | aData db 5,'data',0 |
||
2470 | help_data_msg db 'List of data commands:',10 |
||
2471 | db '? |
||
2472 | db 'd [ |
||
2473 | db 'u [ |
||
2474 | db 'r |
||
2475 | db 'r |
||
2476 | |||
2477 | ; Breakpoints commands group |
||
2478 | |||
205 | heavyiron | 2479 | aBreakpoints db 12,'breakpoints',0 |
3675 | GerdtR | 2480 | help_breaks_msg db 'List of breakpoints commands:',10 |
2481 | db 'bp |
||
2482 | db 'bpm[b|w|d] |
||
2483 | db 'bl [ |
||
2484 | db 'bc |
||
2485 | db 'bd |
||
2486 | db 'be |
||
205 | heavyiron | 2487 | |
3675 | GerdtR | 2488 | ;----------------------------------------------------------------------------- |
2489 | ; Individual command help messages |
||
205 | heavyiron | 2490 | |
3675 | GerdtR | 2491 | aQuit db 5,'quit',0 |
2492 | QuitHelp db 'Quit from debugger',10 |
||
2493 | QuitSyntax db 'Usage: quit',10,0 |
||
205 | heavyiron | 2494 | |
3675 | GerdtR | 2495 | aLoad db 5,'load',0 |
2496 | LoadHelp db 'Load program for debugging',10 |
||
2497 | LoadSyntax db 'Usage: load |
||
205 | heavyiron | 2498 | |
3675 | GerdtR | 2499 | aReload db 7,'reload',0 |
2500 | ReloadHelp db 'Reload debugging program (restart debug session)',10 |
||
2501 | ReloadSyntax db 'Usage: reload',10,0 |
||
2502 | |||
2503 | aTerminate db 10,'terminate',0 |
||
205 | heavyiron | 2504 | TerminateHelp db 'Terminate debugged program',10 |
2505 | TerminateSyntax db 'Usage: terminate',10,0 |
||
2506 | |||
3675 | GerdtR | 2507 | aDetach db 7,'detach',0 |
2508 | DetachHelp db 'Detach from debugged program',10 |
||
2509 | DetachSyntax db 'Usage: detach',10,0 |
||
205 | heavyiron | 2510 | |
3675 | GerdtR | 2511 | aSuspend db 5,'stop',0 |
2512 | SuspendHelp db 'Suspend execution of debugged program',10 |
||
205 | heavyiron | 2513 | SuspendSyntax db 'Usage: stop',10,0 |
2514 | |||
3675 | GerdtR | 2515 | aResume db 2,'g',0 |
2516 | ResumeHelp db 'Go (resume execution of debugged program)',10 |
||
2517 | ResumeSyntax db 'Usage: g',10 |
||
2518 | db ' or: g |
||
205 | heavyiron | 2519 | |
3675 | GerdtR | 2520 | aStep db 2,'s',0 |
2521 | StepHelp db 'Make step in debugged program',10 |
||
2522 | StepSyntax db 'Usage: s [ |
||
205 | heavyiron | 2523 | |
3675 | GerdtR | 2524 | aProceed db 2,'p',0 |
2525 | ProceedHelp db 'Make wide step in debugged program (step over CALL, REPxx, LOOP)',10 |
||
2526 | ProceedSyntax db 'Usage: p [ |
||
205 | heavyiron | 2527 | |
3675 | GerdtR | 2528 | aDump db 2,'d',0 |
2529 | DumpHelp db 'Dump data of debugged program',10 |
||
2530 | DumpSyntax db 'Usage: d |
||
2531 | db ' or: d - continue current dump',10,0 |
||
205 | heavyiron | 2532 | |
3675 | GerdtR | 2533 | aCalc db 2,'?',0 |
2534 | CalcHelp db 'Calculate value of expression',10 |
||
2535 | CalcSyntax db 'Usage: ? |
||
205 | heavyiron | 2536 | |
3675 | GerdtR | 2537 | aUnassemble db 2,'u',0 |
205 | heavyiron | 2538 | UnassembleHelp db 'Unassemble',10 |
3675 | GerdtR | 2539 | UnassembleSyntax db 'Usage: u |
2540 | db ' or: u - continue current unassemble screen',10,0 |
||
205 | heavyiron | 2541 | |
3675 | GerdtR | 2542 | aReg db 2,'r',0 |
2543 | RHelp db 'Set register value',10 |
||
2544 | RSyntax db 'Usage: r |
||
2545 | db ' or: r |
||
205 | heavyiron | 2546 | |
3675 | GerdtR | 2547 | aBp db 3,'bp',0 |
2548 | BpHelp db 'set BreakPoint on execution',10 |
||
2549 | BpSyntax db 'Usage: bp |
||
205 | heavyiron | 2550 | |
3675 | GerdtR | 2551 | aBpm db 4,'bpm',0 |
2552 | aBpmb db 5,'bpmb',0 |
||
2553 | aBpmw db 5,'bpmw',0 |
||
2554 | aBpmd db 5,'bpmd',0 |
||
2555 | BpmHelp db 'set BreakPoint on Memory access',10 |
||
2556 | db 'Maximum 4 breakpoints of this type are allowed',10 |
||
2557 | db 'Note that for this breaks debugger is activated after access',10 |
||
2558 | BpmSyntax db 'Usage: bpmb [w] |
||
2559 | db ' bpmw [w] |
||
2560 | db ' bpmd [w] |
||
2561 | db ' bpm is synonym for bpmd',10 |
||
2562 | db '"w" means break only on writes (default is on read/write)',10,0 |
||
205 | heavyiron | 2563 | |
3675 | GerdtR | 2564 | aBl db 3,'bl',0 |
2565 | BlHelp db 'Breakpoint List',10 |
||
2566 | BlSyntax db 'Usage: bl - list all breakpoints',10 |
||
2567 | db ' bl |
||
205 | heavyiron | 2568 | |
3675 | GerdtR | 2569 | aBc db 3,'bc',0 |
2570 | BcHelp db 'Breakpoint Clear',10 |
||
2571 | BcSyntax db 'Usage: bc |
||
2572 | db 'Examples: bc 2',10 |
||
2573 | db ' bc 1 3 4 A',10,0 |
||
205 | heavyiron | 2574 | |
3675 | GerdtR | 2575 | aBd db 3,'bd',0 |
2576 | BdHelp db 'Breakpoint Disable',10 |
||
2577 | BdSyntax db 'Usage: bd |
||
2578 | db 'Examples: bd 2',10 |
||
2579 | db ' bd 1 3 4 A',10,0 |
||
205 | heavyiron | 2580 | |
3675 | GerdtR | 2581 | aBe db 3,'be',0 |
2582 | BeHelp db 'Breakpoint Enable',10 |
||
2583 | BeSyntax db 'Usage: be |
||
2584 | db 'Examples: be 2',10 |
||
2585 | db ' be 1 3 4 A',10,0 |
||
205 | heavyiron | 2586 | |
3675 | GerdtR | 2587 | aUnpack db 7,'unpack',0 |
2588 | UnpackHelp db 'Try to bypass unpacker code',10 |
||
2589 | UnpackSyntax db 'Usage: unpack',10,0 |
||
205 | heavyiron | 2590 | |
3675 | GerdtR | 2591 | aLoadSymbols db 13,'load-symbols',0 |
542 | diamond | 2592 | LoadSymbolsHelp db 'Load symbolic information for executable',10 |
2593 | LoadSymbolsSyntax db 'Usage: load-symbols |
||
2594 | |||
205 | heavyiron | 2595 | aUnknownCommand db 'Unknown command',10,0 |
2596 | |||
3675 | GerdtR | 2597 | ;----------------------------------------------------------------------------- |
2598 | ; Error messages |
||
2599 | |||
2600 | load_err_msg db 'Cannot load program. ',0 |
||
2601 | unk_err_msg db 'Unknown error code -%4X',10,0 |
||
2602 | aCannotLoadFile db 'Cannot load file. ',0 |
||
2603 | unk_err_msg2 db 'Unknown error code %4X.',10,0 |
||
205 | heavyiron | 2604 | load_err_msgs: |
3675 | GerdtR | 2605 | dd .1, 0, .3, 0, .5, .6, 0, 0, .9, .A, 0, 0, 0, 0, 0, 0 |
2606 | dd 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, .1E, .1F, .20 |
||
2607 | .1 db 'HD undefined.',10,0 |
||
2608 | .3 db 'Unknown FS.',10,0 |
||
2609 | .5 db 'File not found.',10,0 |
||
2610 | .6 db 'Unexpected EOF.',10,0 |
||
2611 | .9 db 'FAT table corrupted.',10,0 |
||
2612 | .A db 'Access denied.',10,0 |
||
2613 | .1E db 'No memory.',10,0 |
||
2614 | .1F db 'Not Menuet/Kolibri executable.',10,0 |
||
2615 | .20 db 'Too many processes.',10,0 |
||
2616 | load_succ_msg db 'Program loaded successfully! PID=%4X. Use "g" to run.',10,0 |
||
2617 | need_debuggee db 'No program loaded. Use "load" command.',10,0 |
||
2618 | aAlreadyLoaded db 'Program is already loaded. Use "terminate" or "detach" commands',10,0 |
||
2619 | terminated_msg db 'Program terminated.',10,0 |
||
2620 | aException db 'Debugged program caused an exception %2X. ' |
||
2621 | aSuspended db 'Suspended',10,0 |
||
2622 | aContinued db 'Continuing',10,0 |
||
2623 | aRunningErr db 'Program is running',10,0 |
||
2624 | read_mem_err db 'ERROR: cannot read process memory!!!',10,0 |
||
205 | heavyiron | 2625 | aBreakpointLimitExceeded db 'Breakpoint limit exceeded',10,0 |
3675 | GerdtR | 2626 | aBreakErr db 'Cannot activate breakpoint, it will be disabled',10,0 |
2627 | aDuplicateBreakpoint db 'Duplicate breakpoint',10,0 |
||
2628 | aInvalidBreak db 'Invalid breakpoint number',10,0 |
||
2629 | OnBeErrMsg db 'There is already enabled breakpoint on this address',10,0 |
||
2630 | aBreakNum db '%2X: at %8X',0 |
||
2631 | aMemBreak1 db '%2X: on ',0 |
||
2632 | aMemBreak2 db 'read from ',0 |
||
2633 | aMemBreak3 db 'access of ',0 |
||
2634 | aMemBreak4 db 'byte',0 |
||
2635 | aMemBreak5 db 'word',0 |
||
2636 | aMemBreak6 db 'dword',0 |
||
2637 | aMemBreak7 db ' at %8X',0 |
||
2638 | aOneShot db ', one-shot',0 |
||
2639 | aDisabled db ', disabled',0 |
||
2640 | aBreakStop db 'Breakpoint #%2X',10,0 |
||
2641 | aUserBreak db 'int3 command at %8X',10,0 |
||
2642 | ;dbgmsg_str db 'Debug message for process %4X.',10,0 |
||
2643 | aInvAddr db 'Invalid address',10,0 |
||
2644 | NoPrgLoaded_str db 'No program loaded' |
||
205 | heavyiron | 2645 | NoPrgLoaded_len = $ - NoPrgLoaded_str |
3675 | GerdtR | 2646 | aRunning db 'Running' |
2647 | aPaused db 'Paused' |
||
2648 | aMain db '[ CPU ]' |
||
2649 | aSSE db '[ SSE ]' |
||
2650 | aAVX db '[ AVX ]' |
||
2651 | aMSR db '[ MSR ]' |
||
2652 | aPoint db 0x1C |
||
2653 | aMinus db '-' |
||
2654 | aColon db ':' |
||
2655 | aSpace db ' ' |
||
2656 | aQuests db '??' |
||
2657 | aDots db '...' |
||
2658 | aParseError db 'Parse error',10,0 |
||
2659 | aDivByZero db 'Division by 0',10,0 |
||
2660 | calc_string db '%8X',10,0 |
||
2661 | aNoMemory db 'No memory',10,0 |
||
2662 | aSymbolsLoaded db 'Symbols loaded',10,0 |
||
2663 | aUnaligned db 'Unaligned address',10,0 |
||
2664 | aEnabledBreakErr db 'Enabled breakpoints are not allowed',10,0 |
||
2665 | aInterrupted db 'Interrupted',10,0 |
||
2666 | aUnpacked db 'Unpacked successful!',10,0 |
||
2667 | aPacked1 db 'Program is probably packed with ',0 |
||
2668 | aPacked2 db '.',10,'Try to unpack automatically? [y/n]: ',0 |
||
2669 | aY_str db 'y',10,0 |
||
2670 | aN_str db 'n',10,0 |
||
2671 | mxp_nrv_name db 'mxp_nrv',0 |
||
2672 | mxp_name db 'mxp',0 |
||
2673 | mxp_lzo_name db 'mxp_lzo',0 |
||
2674 | mtappack_name db 'mtappack',0 |
||
2675 | flags db 'CPAZSDO' |
||
2676 | flags_bits db 0,2,4,6,7,10,11 |
||
2677 | |||
2678 | ;----------------------------------------------------------------------------- |
||
2679 | ; Registers strings |
||
2680 | |||
205 | heavyiron | 2681 | regs_strs: |
3675 | GerdtR | 2682 | db 'EAX=' |
2683 | db 'EBX=' |
||
2684 | db 'ECX=' |
||
2685 | db 'EDX=' |
||
2686 | db 'ESI=' |
||
2687 | db 'EDI=' |
||
2688 | db 'EBP=' |
||
2689 | db 'ESP=' |
||
2690 | db 'EIP=' |
||
2691 | db 'EFLAGS=' |
||
2692 | fpu_strs: |
||
2693 | db 'ST0=' |
||
2694 | db 'ST1=' |
||
2695 | db 'ST2=' |
||
2696 | db 'ST3=' |
||
2697 | db 'ST4=' |
||
2698 | db 'ST5=' |
||
2699 | db 'ST6=' |
||
2700 | db 'ST7=' |
||
2701 | mmx_strs: |
||
2702 | db 'MM0=' |
||
2703 | db 'MM1=' |
||
2704 | db 'MM2=' |
||
2705 | db 'MM3=' |
||
2706 | db 'MM4=' |
||
2707 | db 'MM5=' |
||
2708 | db 'MM6=' |
||
2709 | db 'MM7=' |
||
2710 | sse_strs: |
||
2711 | db '-XMM0-' |
||
2712 | db '-XMM1-' |
||
2713 | db '-XMM2-' |
||
2714 | db '-XMM3-' |
||
2715 | db '-XMM4-' |
||
2716 | db '-XMM5-' |
||
2717 | db '-XMM6-' |
||
2718 | db '-XMM7-' |
||
2719 | avx_strs: |
||
2720 | db '-YMM0-' |
||
2721 | db '-YMM1-' |
||
2722 | db '-YMM2-' |
||
2723 | db '-YMM3-' |
||
2724 | db '-YMM4-' |
||
2725 | db '-YMM5-' |
||
2726 | db '-YMM6-' |
||
2727 | db '-YMM7-' |
||
205 | heavyiron | 2728 | |
3675 | GerdtR | 2729 | debuggee_pid dd 0 |
2730 | bSuspended db 0 |
||
2731 | bAfterGo db 0 |
||
2732 | temp_break dd 0 |
||
2733 | reg_mode db 1 |
||
205 | heavyiron | 2734 | |
3675 | GerdtR | 2735 | include 'disasm_tbl.inc' |
205 | heavyiron | 2736 | |
2737 | reg_table: |
||
3675 | GerdtR | 2738 | db 2,'al',0 |
2739 | db 2,'cl',1 |
||
2740 | db 2,'dl',2 |
||
2741 | db 2,'bl',3 |
||
2742 | db 2,'ah',4 |
||
2743 | db 2,'ch',5 |
||
2744 | db 2,'dh',6 |
||
2745 | db 2,'bh',7 |
||
2746 | db 2,'ax',8 |
||
2747 | db 2,'cx',9 |
||
2748 | db 2,'dx',10 |
||
2749 | db 2,'bx',11 |
||
2750 | db 2,'sp',12 |
||
2751 | db 2,'bp',13 |
||
2752 | db 2,'si',14 |
||
2753 | db 2,'di',15 |
||
2754 | db 3,'eax',16 |
||
2755 | db 3,'ecx',17 |
||
2756 | db 3,'edx',18 |
||
2757 | db 3,'ebx',19 |
||
2758 | db 3,'esp',20 |
||
2759 | db 3,'ebp',21 |
||
2760 | db 3,'esi',22 |
||
2761 | db 3,'edi',23 |
||
2762 | db 3,'eip',24 |
||
2763 | db 0 |
||
205 | heavyiron | 2764 | |
542 | diamond | 2765 | IncludeIGlobals |
2766 | |||
2767 | fn70_read_block: |
||
3675 | GerdtR | 2768 | dd 0 |
2769 | dq 0 |
||
2770 | dd ? |
||
2771 | dd ? |
||
2772 | db 0 |
||
2773 | dd ? |
||
542 | diamond | 2774 | |
2775 | fn70_attr_block: |
||
3675 | GerdtR | 2776 | dd 5 |
2777 | dd 0,0,0 |
||
2778 | dd fileattr |
||
2779 | db 0 |
||
2780 | dd ? |
||
542 | diamond | 2781 | |
205 | heavyiron | 2782 | fn70_load_block: |
3675 | GerdtR | 2783 | dd 7 |
2784 | dd 1 |
||
2785 | load_params dd 0 |
||
2786 | dd 0 |
||
2787 | dd 0 |
||
205 | heavyiron | 2788 | i_end: |
2789 | loadname: |
||
3675 | GerdtR | 2790 | db 0 |
2791 | rb 255 |
||
205 | heavyiron | 2792 | |
3675 | GerdtR | 2793 | symbolsfile rb 260 |
542 | diamond | 2794 | |
205 | heavyiron | 2795 | prgname_ptr dd ? |
2796 | prgname_len dd ? |
||
2797 | |||
542 | diamond | 2798 | IncludeUGlobals |
2799 | |||
3675 | GerdtR | 2800 | dbgwnd dd ? |
205 | heavyiron | 2801 | |
3675 | GerdtR | 2802 | messages rb messages_height*messages_width |
2803 | messages_pos dd ? |
||
205 | heavyiron | 2804 | |
3675 | GerdtR | 2805 | cmdline rb cmdline_width+1 |
2806 | cmdline_len dd ? |
||
2807 | cmdline_pos dd ? |
||
2808 | curarg dd ? |
||
205 | heavyiron | 2809 | |
3675 | GerdtR | 2810 | cmdline_prev rb cmdline_width+1 |
205 | heavyiron | 2811 | |
3675 | GerdtR | 2812 | was_temp_break db ? |
205 | heavyiron | 2813 | |
3675 | GerdtR | 2814 | dbgbufsize dd ? |
2815 | dbgbuflen dd ? |
||
2816 | dbgbuf rb 256 |
||
542 | diamond | 2817 | |
3675 | GerdtR | 2818 | fileattr rb 40 |
2819 | |||
205 | heavyiron | 2820 | needzerostart: |
2821 | |||
2822 | context: |
||
2823 | |||
3675 | GerdtR | 2824 | _eip dd ? |
2825 | _eflags dd ? |
||
2826 | _eax dd ? |
||
2827 | _ecx dd ? |
||
2828 | _edx dd ? |
||
2829 | _ebx dd ? |
||
2830 | _esp dd ? |
||
2831 | _ebp dd ? |
||
2832 | _esi dd ? |
||
2833 | _edi dd ? |
||
205 | heavyiron | 2834 | oldcontext rb $-context |
2835 | |||
3675 | GerdtR | 2836 | mmx_context: |
2837 | _mm0 dq ? |
||
2838 | _mm1 dq ? |
||
2839 | _mm2 dq ? |
||
2840 | _mm3 dq ? |
||
2841 | _mm4 dq ? |
||
2842 | _mm5 dq ? |
||
2843 | _mm6 dq ? |
||
2844 | _mm7 dq ? |
||
2845 | oldmmxcontext rb $-mmx_context |
||
205 | heavyiron | 2846 | |
3675 | GerdtR | 2847 | fpu_context: |
2848 | _st0 dq ? |
||
2849 | _st1 dq ? |
||
2850 | _st2 dq ? |
||
2851 | _st3 dq ? |
||
2852 | _st4 dq ? |
||
2853 | _st5 dq ? |
||
2854 | _st6 dq ? |
||
2855 | _st7 dq ? |
||
2856 | oldfpucontext rb $-fpu_context |
||
2857 | |||
2858 | sse_context: |
||
2859 | _xmm0 dq 2 dup ? |
||
2860 | _xmm1 dq 2 dup ? |
||
2861 | _xmm2 dq 2 dup ? |
||
2862 | _xmm3 dq 2 dup ? |
||
2863 | _xmm4 dq 2 dup ? |
||
2864 | _xmm5 dq 2 dup ? |
||
2865 | _xmm6 dq 2 dup ? |
||
2866 | _xmm7 dq 2 dup ? |
||
2867 | oldssecontext rb $-sse_context |
||
2868 | |||
2869 | avx_context: |
||
2870 | _ymm0 dq 4 dup ? |
||
2871 | _ymm1 dq 4 dup ? |
||
2872 | _ymm2 dq 4 dup ? |
||
2873 | _ymm3 dq 4 dup ? |
||
2874 | _ymm4 dq 4 dup ? |
||
2875 | _ymm5 dq 4 dup ? |
||
2876 | _ymm6 dq 4 dup ? |
||
2877 | _ymm7 dq 4 dup ? |
||
2878 | oldavxcontext rb $-avx_context |
||
2879 | |||
2880 | step_num dd 0 |
||
2881 | proc_num dd 0 |
||
2882 | dumpread dd ? |
||
2883 | dumppos dd ? |
||
2884 | dumpdata rb dump_height*10h |
||
2885 | |||
205 | heavyiron | 2886 | ; breakpoint structure: |
2887 | ; dword +0: address |
||
2888 | ; byte +4: flags |
||
2889 | ; bit 0: 1 <=> breakpoint valid |
||
2890 | ; bit 1: 1 <=> breakpoint disabled |
||
2891 | ; bit 2: 1 <=> one-shot breakpoint |
||
2892 | ; bit 3: 1 <=> DRx breakpoint |
||
2893 | ; byte +5: overwritten byte |
||
2894 | ; for DRx breaks: flags + (index shl 6) |
||
2895 | breakpoints_n = 256 |
||
3675 | GerdtR | 2896 | breakpoints rb breakpoints_n*6 |
2897 | drx_break rd 4 |
||
205 | heavyiron | 2898 | |
3675 | GerdtR | 2899 | disasm_buf_size dd ? |
205 | heavyiron | 2900 | |
3675 | GerdtR | 2901 | symbols dd ? |
2902 | num_symbols dd ? |
||
542 | diamond | 2903 | |
3675 | GerdtR | 2904 | bReload db ? |
205 | heavyiron | 2905 | |
2906 | needzeroend: |
||
2907 | |||
3675 | GerdtR | 2908 | disasm_buffer rb 256 |
2909 | disasm_start_pos dd ? |
||
2910 | disasm_cur_pos dd ? |
||
2911 | disasm_cur_str dd ? |
||
2912 | disasm_string rb 256 |
||
205 | heavyiron | 2913 | |
3675 | GerdtR | 2914 | i_param rb 256 |
205 | heavyiron | 2915 | |
2916 | ; stack |
||
3675 | GerdtR | 2917 | align 400h |
2918 | rb 400h |
||
205 | heavyiron | 2919 | used_mem: |
3675 | GerdtR | 2920 | |
2921 | ; vim: ft=fasm tabstop=4=>=>=>=>>>>> |
||
2922 |