Rev 410 | Go to most recent revision | Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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205 | heavyiron | 1 | format binary |
2 | use32 |
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3 | db 'MENUET01' |
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4 | dd 1 |
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5 | dd start |
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6 | dd i_end |
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7 | dd used_mem |
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8 | dd used_mem |
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9 | dd i_param |
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10 | dd 0 |
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11 | |||
12 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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13 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; GUI ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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14 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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15 | |||
16 | data_width equ 80 |
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17 | data_x_pos equ 12 |
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18 | data_x_size equ data_width*6 |
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19 | |||
20 | title_x_pos equ 30 |
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21 | title_y_pos equ 32 |
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22 | title_y_size equ 10 |
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23 | |||
24 | registers_x_pos equ data_x_pos |
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25 | registers_y_pos equ (title_y_pos + title_y_size) |
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26 | registers_y_size equ 30 |
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27 | |||
28 | dump_y_pos equ (registers_y_pos + registers_y_size + 5) |
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29 | dump_height equ 4 |
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30 | dump_y_size equ (dump_height*10) |
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31 | |||
32 | disasm_y_pos equ (dump_y_pos + dump_y_size + 4) |
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33 | disasm_height equ 16 |
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34 | disasm_y_size equ (disasm_height*10) |
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35 | |||
36 | messages_width equ data_width |
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37 | messages_height equ 12 |
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38 | messages_x_pos equ data_x_pos |
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39 | messages_y_pos equ (disasm_y_pos + disasm_y_size + 4) |
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40 | messages_x_size equ messages_width*6 |
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41 | messages_y_size equ messages_height*10 |
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42 | |||
43 | cmdline_width equ data_width |
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44 | cmdline_x_pos equ data_x_pos |
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45 | cmdline_y_pos equ (messages_y_pos + messages_y_size + 10) |
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46 | cmdline_x_size equ messages_x_size |
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47 | cmdline_y_size equ 10 |
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48 | |||
49 | wnd_x_size equ (data_x_pos + messages_x_size + data_x_pos) |
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50 | wnd_y_size equ (cmdline_y_pos + cmdline_y_size + data_x_pos) |
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51 | |||
52 | start: |
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53 | mov edi, messages |
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54 | mov ecx, messages_width*messages_height |
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55 | mov al, ' ' |
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56 | rep stosb |
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57 | xor eax, eax |
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58 | mov [messages_pos], eax |
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59 | mov [cmdline_len], eax |
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60 | mov [cmdline_pos], eax |
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61 | mov edi, needzerostart |
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62 | mov ecx, (needzeroend-needzerostart+3)/4 |
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63 | rep stosd |
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64 | mov esi, begin_str |
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65 | call put_message_nodraw |
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66 | ; set event mask - default events and debugging events |
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67 | push 40 |
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68 | pop eax |
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69 | mov ebx, 0x107 |
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70 | int 40h |
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71 | ; set debug messages buffer |
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72 | mov ecx, dbgbufsize |
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73 | mov dword [ecx], 256 |
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74 | xor ebx, ebx |
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75 | mov [ecx+4], ebx |
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76 | mov al, 69 |
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77 | int 40h |
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78 | mov esi, i_param |
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79 | call skip_spaces |
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80 | test al, al |
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81 | jz dodraw |
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82 | push esi |
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83 | call draw_window |
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84 | pop esi |
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85 | call OnLoadInit |
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86 | jmp waitevent |
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87 | dodraw: |
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88 | call draw_window |
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89 | waitevent: |
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90 | push 10 |
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91 | pop eax |
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92 | int 40h |
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93 | cmp al, 9 |
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94 | jz debugmsg |
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95 | dec eax |
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96 | jz dodraw |
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97 | dec eax |
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98 | jz keypressed |
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99 | dec eax |
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100 | jnz waitevent |
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101 | ; button pressed - we have only one button (close) |
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102 | push -1 |
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103 | pop eax |
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104 | int 40h |
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105 | keypressed: |
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106 | mov al, 2 |
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107 | int 40h |
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108 | shr eax, 8 |
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109 | cmp al, 8 |
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110 | jz .backspace |
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111 | cmp al, 0xB0 |
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112 | jz .left |
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113 | cmp al, 0xB3 |
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114 | jz .right |
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115 | cmp al, 0x0D |
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116 | jz .enter |
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117 | cmp al, 0xB6 |
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118 | jz .del |
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119 | cmp al, 0xB4 |
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120 | jz .home |
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121 | cmp al, 0xB5 |
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122 | jz .end |
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123 | cmp al, 0xB1 |
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124 | jz .down |
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125 | cmp al, 0xB2 |
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126 | jz .up |
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127 | cmp al, 0xD8 |
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128 | jz CtrlF7 |
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129 | cmp al, 0xD9 |
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130 | jz CtrlF8 |
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131 | cmp [cmdline_len], cmdline_width |
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132 | jae waitevent |
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133 | push eax |
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134 | call clear_cmdline_end |
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135 | pop eax |
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136 | mov edi, cmdline |
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137 | mov ecx, [cmdline_len] |
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138 | add edi, ecx |
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139 | lea esi, [edi-1] |
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140 | sub ecx, [cmdline_pos] |
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141 | std |
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142 | rep movsb |
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143 | cld |
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144 | stosb |
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145 | inc [cmdline_len] |
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146 | call draw_cmdline_end |
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147 | inc [cmdline_pos] |
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148 | call draw_cursor |
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149 | jmp waitevent |
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150 | .backspace: |
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151 | cmp [cmdline_pos], 0 |
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152 | jz waitevent |
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153 | dec [cmdline_pos] |
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154 | .delchar: |
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155 | call clear_cmdline_end |
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156 | mov edi, [cmdline_pos] |
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157 | dec [cmdline_len] |
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158 | mov ecx, [cmdline_len] |
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159 | sub ecx, edi |
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160 | add edi, cmdline |
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161 | lea esi, [edi+1] |
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162 | rep movsb |
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163 | call draw_cmdline_end |
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164 | call draw_cursor |
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165 | jmp waitevent |
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166 | .del: |
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167 | mov eax, [cmdline_pos] |
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168 | cmp eax, [cmdline_len] |
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169 | jae waitevent |
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170 | jmp .delchar |
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171 | .left: |
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172 | cmp [cmdline_pos], 0 |
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173 | jz waitevent |
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174 | call hide_cursor |
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175 | dec [cmdline_pos] |
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176 | call draw_cursor |
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177 | jmp waitevent |
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178 | .right: |
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179 | mov eax, [cmdline_pos] |
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180 | cmp eax, [cmdline_len] |
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181 | jae waitevent |
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182 | call hide_cursor |
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183 | inc [cmdline_pos] |
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184 | call draw_cursor |
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185 | jmp waitevent |
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186 | .home: |
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187 | call hide_cursor |
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188 | and [cmdline_pos], 0 |
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189 | call draw_cursor |
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190 | jmp waitevent |
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191 | .end: |
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192 | call hide_cursor |
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193 | mov eax, [cmdline_len] |
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194 | mov [cmdline_pos], eax |
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195 | call draw_cursor |
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196 | .up: |
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197 | .down: |
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198 | jmp waitevent |
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199 | .enter: |
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200 | mov ecx, [cmdline_len] |
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201 | test ecx, ecx |
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202 | jz waitevent |
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203 | mov esi, cmdline |
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204 | mov byte [esi+ecx], 0 |
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205 | and [cmdline_pos], 0 |
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206 | push esi |
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207 | call clear_cmdline_end |
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208 | call draw_cursor |
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209 | pop esi |
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210 | and [cmdline_len], 0 |
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211 | ; skip leading spaces |
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212 | call skip_spaces |
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213 | cmp al, 0 |
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214 | jz waitevent |
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215 | ; now esi points to command |
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216 | push esi |
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217 | mov esi, prompt |
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218 | call put_message_nodraw |
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219 | pop esi |
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220 | push esi |
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221 | call put_message_nodraw |
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222 | z1: mov esi, newline |
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223 | call put_message |
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224 | pop esi |
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225 | push esi |
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226 | call get_arg |
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227 | mov [curarg], esi |
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228 | pop edi |
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229 | mov esi, commands |
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230 | call find_cmd |
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231 | mov eax, aUnknownCommand |
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232 | jc .x11 |
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233 | ; check command requirements |
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234 | ; flags field: |
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235 | ; &1: command may be called without parameters |
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236 | ; &2: command may be called with parameters |
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237 | ; &4: command may be called without loaded program |
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238 | ; &8: command may be called with loaded program |
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239 | mov eax, [esi+8] |
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240 | mov ecx, [curarg] |
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241 | cmp byte [ecx], 0 |
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242 | jz .noargs |
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243 | test byte [esi+16], 2 |
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244 | jz .x11 |
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245 | jmp @f |
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246 | .noargs: |
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247 | test byte [esi+16], 1 |
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248 | jz .x11 |
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249 | @@: |
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250 | cmp [debuggee_pid], 0 |
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251 | jz .nodebuggee |
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252 | mov eax, aAlreadyLoaded |
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253 | test byte [esi+16], 8 |
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254 | jz .x11 |
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255 | jmp .x9 |
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256 | .nodebuggee: |
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257 | mov eax, need_debuggee |
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258 | test byte [esi+16], 4 |
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259 | jnz .x9 |
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260 | .x11: |
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261 | xchg esi, eax |
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262 | call put_message |
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263 | .x10: |
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264 | jmp waitevent |
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265 | .x9: |
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266 | call dword [esi+4] |
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267 | jmp .x10 |
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268 | |||
269 | find_cmd: |
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270 | ; all commands are case-insensitive |
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271 | push edi |
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272 | .x4: |
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273 | mov al, [edi] |
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274 | cmp al, 0 |
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275 | jz .x5 |
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276 | cmp al, 'A' |
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277 | jb @f |
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278 | cmp al, 'Z' |
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279 | ja @f |
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280 | or al, 20h |
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281 | @@: |
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282 | stosb |
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283 | jmp .x4 |
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284 | .x5: |
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285 | ; find command |
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286 | pop edi |
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287 | .x6: |
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288 | cmp dword [esi], 0 |
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289 | jz .x7 |
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290 | push esi |
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291 | mov esi, [esi] |
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292 | lodsb |
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293 | movzx ecx, al |
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294 | push edi |
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295 | repz cmpsb |
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296 | pop edi |
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297 | pop esi |
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298 | jz .x8 |
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299 | add esi, 17 |
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300 | jmp .x6 |
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301 | .x7: |
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302 | stc |
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303 | .x8: |
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304 | ret |
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305 | |||
306 | get_arg: |
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307 | lodsb |
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308 | cmp al, ' ' |
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309 | ja get_arg |
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310 | mov byte [esi-1], 0 |
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311 | cmp al, 0 |
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312 | jnz skip_spaces |
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313 | dec esi |
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314 | skip_spaces: |
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315 | lodsb |
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316 | cmp al, 0 |
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317 | jz @f |
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318 | cmp al, ' ' |
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319 | jbe skip_spaces |
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320 | @@: dec esi |
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321 | ret |
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322 | |||
323 | clear_cmdline_end: |
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324 | mov ebx, [cmdline_pos] |
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325 | mov ecx, [cmdline_len] |
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326 | sub ecx, ebx |
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327 | push 13 |
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328 | pop eax |
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329 | imul ebx, 6 |
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330 | imul ecx, 6 |
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331 | inc ecx |
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332 | add ebx, cmdline_x_pos |
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333 | shl ebx, 16 |
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334 | or ebx, ecx |
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335 | mov ecx, cmdline_y_pos*10000h + cmdline_y_size |
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336 | mov edx, 0xFFFFFF |
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337 | int 40h |
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338 | ret |
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339 | |||
340 | draw_cmdline: |
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341 | xor ebx, ebx |
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342 | jmp @f |
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343 | draw_cmdline_end: |
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344 | mov ebx, [cmdline_pos] |
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345 | @@: |
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346 | mov esi, [cmdline_len] |
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347 | sub esi, ebx |
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348 | push 4 |
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349 | pop eax |
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350 | xor ecx, ecx |
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351 | lea edx, [cmdline+ebx] |
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352 | imul ebx, 6 |
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353 | add ebx, cmdline_x_pos |
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354 | shl ebx, 16 |
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355 | or ebx, cmdline_y_pos+1 |
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356 | int 40h |
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357 | ret |
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358 | |||
359 | put_message_nodraw: |
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360 | ; in: esi->ASCIZ message |
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361 | mov edx, [messages_pos] |
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362 | .m: |
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363 | lea edi, [messages+edx] |
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364 | .l: |
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365 | lodsb |
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366 | cmp al, 0 |
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367 | jz .done |
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368 | call test_scroll |
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369 | cmp al, 10 |
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370 | jz .newline |
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371 | cmp al, '%' |
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372 | jnz @f |
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373 | cmp dword [esp], z1 |
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374 | jnz .format |
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375 | @@: |
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376 | stosb |
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377 | inc edx |
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378 | jmp .l |
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379 | .newline: |
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380 | push edx |
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381 | mov ecx, messages_width |
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382 | xor eax, eax |
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383 | xchg eax, edx |
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384 | div ecx |
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385 | xchg eax, edx |
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386 | pop edx |
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387 | test eax, eax |
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388 | jz .m |
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389 | sub edx, eax |
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390 | add edx, ecx |
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391 | jmp .m |
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392 | .done: |
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393 | mov [messages_pos], edx |
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394 | ret |
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395 | .format: |
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396 | ; at moment all format specs must be % |
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397 | lodsb ; get |
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398 | sub al, '0' |
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399 | movzx ecx, al |
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400 | lodsb |
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401 | pop eax |
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402 | pop ebp |
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403 | push eax |
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404 | ; write number in ebp with ecx digits |
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405 | dec ecx |
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406 | shl ecx, 2 |
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407 | .writenibble: |
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408 | push ecx |
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409 | call test_scroll |
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410 | pop ecx |
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411 | mov eax, ebp |
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412 | shr eax, cl |
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413 | and al, 0xF |
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414 | cmp al, 10 |
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415 | sbb al, 69h |
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416 | das |
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417 | stosb |
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418 | inc edx |
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419 | sub ecx, 4 |
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420 | jns .writenibble |
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421 | jmp .l |
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422 | |||
423 | test_scroll: |
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424 | cmp edx, messages_width*messages_height |
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425 | jnz .ret |
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426 | push esi |
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427 | mov edi, messages |
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428 | lea esi, [edi+messages_width] |
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429 | mov ecx, (messages_height-1)*messages_width/4 |
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430 | rep movsd |
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431 | push eax |
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432 | mov al, ' ' |
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433 | push edi |
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434 | push messages_width |
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435 | pop ecx |
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436 | sub edx, ecx |
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437 | rep stosb |
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438 | pop edi |
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439 | pop eax |
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440 | pop esi |
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441 | .ret: ret |
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442 | |||
443 | put_message: |
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444 | call put_message_nodraw |
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445 | |||
446 | draw_messages: |
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447 | push 13 |
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448 | pop eax |
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449 | mov edx, 0xFFFFFF |
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450 | mov ebx, messages_x_pos*10000h+messages_x_size |
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451 | mov ecx, messages_y_pos*10000h+messages_y_size |
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452 | int 40h |
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453 | mov edx, messages |
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454 | push messages_width |
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455 | pop esi |
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456 | xor ecx, ecx |
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457 | mov al, 4 |
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458 | mov ebx, messages_x_pos*10000h+messages_y_pos |
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459 | @@: |
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460 | int 40h |
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461 | add edx, esi |
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462 | add ebx, 10 |
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463 | cmp edx, messages+messages_width*messages_height |
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464 | jb @b |
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465 | ret |
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466 | |||
467 | draw_cursor: |
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468 | push 38 |
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469 | pop eax |
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470 | mov ecx, cmdline_y_pos*10001h+cmdline_y_size-1 |
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471 | mov ebx, [cmdline_pos] |
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472 | imul ebx, 6 |
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473 | add ebx, cmdline_x_pos |
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474 | mov edx, ebx |
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475 | shl ebx, 16 |
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476 | or ebx, edx |
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477 | xor edx, edx |
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478 | int 40h |
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479 | ret |
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480 | hide_cursor: |
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481 | mov ebx, [cmdline_pos] |
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482 | push 13 |
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483 | pop eax |
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484 | imul ebx, 6 |
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485 | add ebx, cmdline_x_pos |
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486 | shl ebx, 16 |
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487 | inc ebx |
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488 | mov ecx, cmdline_y_pos*10000h + cmdline_y_size |
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489 | mov edx, 0xFFFFFF |
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490 | int 40h |
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491 | mov ebx, [cmdline_pos] |
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492 | cmp ebx, [cmdline_len] |
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493 | jae .ret |
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494 | mov al, 4 |
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495 | xor ecx, ecx |
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496 | lea edx, [cmdline+ebx] |
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497 | imul ebx, 6 |
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498 | add ebx, cmdline_x_pos |
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499 | shl ebx, 16 |
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500 | or ebx, cmdline_y_pos+1 |
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501 | push 1 |
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502 | pop esi |
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503 | int 40h |
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504 | .ret: |
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505 | ret |
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506 | |||
507 | redraw_title: |
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508 | push 13 |
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509 | pop eax |
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510 | mov edx, 0xFFFFFF |
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511 | mov ebx, title_x_pos*10000h + data_x_pos+data_x_size-title_x_pos |
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512 | mov ecx, title_y_pos*10000h + title_y_size |
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513 | int 40h |
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514 | draw_title: |
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515 | mov al, 38 |
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516 | mov ebx, (data_x_pos-2)*10000h + title_x_pos-5 |
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517 | mov ecx, (title_y_pos+5)*10001h |
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518 | xor edx, edx |
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519 | int 40h |
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520 | push NoPrgLoaded_len |
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521 | pop esi |
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522 | cmp [debuggee_pid], 0 |
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523 | jz @f |
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524 | mov esi, [prgname_len] |
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525 | @@: imul ebx, esi, 6 |
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526 | add ebx, title_x_pos+4 |
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527 | shl ebx, 16 |
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528 | mov bx, data_x_pos+data_x_size-10-5-6*7 |
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529 | cmp [bSuspended], 0 |
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530 | jz @f |
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531 | add ebx, 6 |
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532 | @@: |
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533 | int 40h |
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534 | mov ebx, (data_x_pos+data_x_size-10+4)*0x10000 + data_x_pos+data_x_size+2 |
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535 | int 40h |
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536 | mov al, 4 |
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537 | mov ebx, title_x_pos*10000h+title_y_pos |
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538 | xor ecx, ecx |
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539 | mov edx, NoPrgLoaded_str |
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540 | cmp [debuggee_pid], 0 |
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541 | jz @f |
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542 | mov edx, [prgname_ptr] |
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543 | @@: |
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544 | int 40h |
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545 | cmp [debuggee_pid], 0 |
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546 | jz .nodebuggee |
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547 | mov ebx, (data_x_pos+data_x_size-10-6*7)*10000h + title_y_pos |
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548 | mov edx, aRunning |
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549 | push 7 |
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550 | pop esi |
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551 | cmp [bSuspended], 0 |
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552 | jz @f |
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553 | add ebx, 6*10000h |
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554 | mov edx, aPaused |
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555 | dec esi |
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556 | @@: |
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557 | int 40h |
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558 | ret |
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559 | .nodebuggee: |
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560 | mov al, 38 |
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561 | mov ebx, (data_x_pos+data_x_size-10-6*7-5)*0x10000 + data_x_pos+data_x_size+2 |
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562 | mov ecx, (title_y_pos+5)*10001h |
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563 | xor edx, edx |
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564 | jmp @b |
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565 | |||
566 | draw_register: |
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567 | ; in: esi->value, edx->string, ecx=string len, ebx=coord |
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568 | push edx |
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569 | push ecx |
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570 | push esi |
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571 | mov eax, esi |
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572 | mov esi, ecx |
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573 | ; color |
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574 | mov ecx, 808080h |
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575 | cmp [debuggee_pid], 0 |
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576 | jz .cd |
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577 | cmp [bSuspended], 0 |
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578 | jz .cd |
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579 | xor ecx, ecx |
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580 | mov edi, [eax] |
||
581 | cmp dword [eax+oldcontext-context], edi |
||
582 | jz .cd |
||
583 | mov ecx, 0x00AA00 |
||
584 | .cd: |
||
585 | push 4 |
||
586 | pop eax |
||
587 | int 40h |
||
588 | imul esi, 60000h |
||
589 | lea edx, [ebx+esi] |
||
590 | mov al, 47 |
||
591 | mov ebx, 80101h |
||
592 | mov esi, ecx |
||
593 | pop ecx |
||
594 | int 40h |
||
595 | lea ebx, [edx+60000h*18] |
||
596 | mov esi, ecx |
||
597 | pop ecx |
||
598 | pop edx |
||
599 | add edx, ecx |
||
600 | ret |
||
601 | draw_flag: |
||
602 | movzx edi, byte [edx+7] |
||
603 | bt [_eflags], edi |
||
604 | jc .on |
||
605 | or byte [edx], 20h |
||
606 | jmp .onoff |
||
607 | .on: |
||
608 | and byte [edx], not 20h |
||
609 | .onoff: |
||
610 | mov ecx, 808080h |
||
611 | cmp [debuggee_pid], 0 |
||
612 | jz .doit |
||
613 | cmp [bSuspended], 0 |
||
614 | jz .doit |
||
615 | xor ecx, ecx |
||
616 | bt [_eflags], edi |
||
617 | lahf |
||
618 | bt dword [_eflags + oldcontext - context], edi |
||
619 | rcl ah, 1 |
||
620 | test ah, 3 |
||
621 | jp .doit |
||
622 | mov ecx, 0x00AA00 |
||
623 | .doit: |
||
624 | mov ah, 0 |
||
625 | int 40h |
||
626 | ret |
||
627 | |||
628 | redraw_registers: |
||
629 | push 13 |
||
630 | pop eax |
||
631 | mov edx, 0xFFFFFF |
||
632 | mov ebx, data_x_pos*10000h + data_x_size |
||
633 | mov ecx, registers_y_pos*10000h + registers_y_size |
||
634 | int 40h |
||
635 | draw_registers: |
||
636 | mov esi, _eax |
||
637 | push 4 |
||
638 | pop ecx |
||
639 | mov edx, regs_strs |
||
640 | mov ebx, registers_x_pos*10000h+registers_y_pos |
||
641 | call draw_register |
||
642 | add esi, _ebx-_eax |
||
643 | call draw_register |
||
644 | add esi, _ecx-_ebx |
||
645 | call draw_register |
||
646 | add esi, _edx-_ecx |
||
647 | call draw_register |
||
648 | mov ebx, registers_x_pos*10000h+registers_y_pos+10 |
||
649 | add esi, _esi-_edx |
||
650 | call draw_register |
||
651 | add esi, _edi-_esi |
||
652 | call draw_register |
||
653 | add esi, _ebp-_edi |
||
654 | call draw_register |
||
655 | add esi, _esp-_ebp |
||
656 | call draw_register |
||
657 | mov ebx, registers_x_pos*10000h+registers_y_pos+20 |
||
658 | add esi, _eip-_esp |
||
659 | call draw_register |
||
660 | mov cl, 7 |
||
661 | add esi, _eflags-_eip |
||
662 | call draw_register |
||
663 | mov al, 4 |
||
664 | mov ecx, 808080h |
||
665 | cmp [debuggee_pid], 0 |
||
666 | jz @f |
||
667 | cmp [bSuspended], 0 |
||
668 | jz @f |
||
669 | xor ecx, ecx |
||
670 | @@: |
||
671 | mov edx, aColon |
||
672 | xor esi, esi |
||
673 | inc esi |
||
674 | mov ebx, (registers_x_pos+37*6)*10000h + registers_y_pos+20 |
||
675 | int 40h |
||
676 | mov edx, flags |
||
677 | @@: |
||
678 | add ebx, 2*6*10000h |
||
679 | call draw_flag |
||
680 | inc edx |
||
681 | cmp dl, flags_bits and 0xFF |
||
682 | jnz @b |
||
683 | ret |
||
684 | |||
685 | redraw_dump: |
||
686 | push 13 |
||
687 | pop eax |
||
688 | mov edx, 0xFFFFFF |
||
689 | mov ebx, data_x_pos*10000h + data_x_size |
||
690 | mov ecx, dump_y_pos*10000h + dump_y_size |
||
691 | int 40h |
||
692 | draw_dump: |
||
693 | ; addresses |
||
694 | mov al, 47 |
||
695 | mov ebx, 80100h |
||
696 | mov edx, data_x_pos*10000h + dump_y_pos |
||
697 | mov ecx, [dumppos] |
||
698 | mov esi, 808080h |
||
699 | cmp [debuggee_pid], 0 |
||
700 | jz @f |
||
701 | cmp [bSuspended], 0 |
||
702 | jz @f |
||
703 | xor esi, esi |
||
704 | @@: |
||
705 | int 40h |
||
706 | add ecx, 10h |
||
707 | add edx, 10 |
||
708 | cmp dl, dump_y_pos + dump_y_size |
||
709 | jb @b |
||
710 | ; hex dump of data |
||
711 | mov ebx, 20101h |
||
712 | mov ecx, dumpdata |
||
713 | push ecx |
||
714 | xor edi, edi |
||
715 | mov edx, (data_x_pos+12*6)*10000h + dump_y_pos |
||
716 | cmp [dumpread], edi |
||
717 | jz .hexdumpdone1 |
||
718 | .hexdumploop1: |
||
719 | int 40h |
||
720 | add edx, 3*6*10000h |
||
721 | inc ecx |
||
722 | inc edi |
||
723 | test edi, 15 |
||
724 | jz .16 |
||
725 | test edi, 7 |
||
726 | jnz @f |
||
727 | add edx, 2*6*10000h - 10 + 6*(3*10h+2)*10000h |
||
728 | .16: |
||
729 | add edx, 10 - 6*(3*10h+2)*10000h |
||
730 | @@: |
||
731 | cmp edi, [dumpread] |
||
732 | jb .hexdumploop1 |
||
733 | .hexdumpdone1: |
||
734 | mov al, 4 |
||
735 | mov ecx, esi |
||
736 | mov ebx, edx |
||
737 | push 2 |
||
738 | pop esi |
||
739 | mov edx, aQuests |
||
740 | .hexdumploop2: |
||
741 | cmp edi, dump_height*10h |
||
742 | jae .hexdumpdone2 |
||
743 | int 40h |
||
744 | add ebx, 3*6*10000h |
||
745 | inc edi |
||
746 | test edi, 15 |
||
747 | jz .16x |
||
748 | test edi, 7 |
||
749 | jnz .hexdumploop2 |
||
750 | add ebx, 2*6*10000h - 10 + 6*(3*10h+2)*10000h |
||
751 | .16x: |
||
752 | add ebx, 10 - 6*(3*10h+2)*10000h |
||
753 | jmp .hexdumploop2 |
||
754 | .hexdumpdone2: |
||
755 | dec esi |
||
756 | ; colon, minus signs |
||
757 | mov ebx, (data_x_pos+8*6)*10000h + dump_y_pos |
||
758 | mov edx, aColon |
||
759 | @@: |
||
760 | int 40h |
||
761 | add ebx, 10 |
||
762 | cmp bl, dump_y_pos+dump_height*10 |
||
763 | jb @b |
||
764 | mov ebx, (data_x_pos+(12+3*8)*6)*10000h + dump_y_pos |
||
765 | mov edx, aMinus |
||
766 | @@: |
||
767 | int 40h |
||
768 | add ebx, 10 |
||
769 | cmp bl, dump_y_pos+dump_height*10 |
||
770 | jb @b |
||
771 | ; ASCII data |
||
772 | mov ebx, (data_x_pos+(12+3*10h+2+2)*6)*10000h + dump_y_pos |
||
773 | mov edi, dump_height*10h |
||
774 | pop edx |
||
775 | .asciiloop: |
||
776 | push edx |
||
777 | cmp byte [edx], 20h |
||
778 | jae @f |
||
779 | mov edx, aPoint |
||
780 | @@: |
||
781 | int 40h |
||
782 | pop edx |
||
783 | inc edx |
||
784 | add ebx, 6*10000h |
||
785 | dec edi |
||
786 | jz .asciidone |
||
787 | test edi, 15 |
||
788 | jnz .asciiloop |
||
789 | add ebx, 10 - 6*10h*10000h |
||
790 | jmp .asciiloop |
||
791 | .asciidone: |
||
792 | ret |
||
793 | |||
794 | redraw_disasm: |
||
795 | push 13 |
||
796 | pop eax |
||
797 | mov edx, 0xFFFFFF |
||
798 | mov ebx, data_x_pos*10000h + data_x_size |
||
799 | mov ecx, (disasm_y_pos-1)*10000h + (disasm_y_size+1) |
||
800 | int 40h |
||
801 | draw_disasm: |
||
802 | mov eax, [disasm_start_pos] |
||
803 | mov [disasm_cur_pos], eax |
||
804 | and [disasm_cur_str], 0 |
||
805 | .loop: |
||
806 | push [disasm_cur_pos] |
||
807 | call disasm_instr |
||
808 | pop ebp |
||
809 | jc .loopend |
||
810 | xor esi, esi ; default color: black |
||
811 | mov ebx, data_x_pos*10000h + data_x_size |
||
812 | mov ecx, [disasm_cur_str] |
||
813 | imul ecx, 10*10000h |
||
814 | add ecx, (disasm_y_pos-1)*10000h + 10 |
||
815 | mov eax, ebp |
||
816 | pushad |
||
817 | call find_enabled_breakpoint |
||
818 | popad |
||
819 | jnz .nored |
||
820 | push 13 |
||
821 | pop eax |
||
822 | mov edx, 0xFF0000 |
||
823 | int 40h |
||
824 | .nored: |
||
825 | mov eax, [_eip] |
||
826 | cmp eax, ebp |
||
827 | jnz .noblue |
||
828 | push 13 |
||
829 | pop eax |
||
830 | mov edx, 0x0000FF |
||
831 | int 40h |
||
832 | mov esi, 0xFFFFFF ; on blue bgr, use white color |
||
833 | .noblue: |
||
834 | push 47 |
||
835 | pop eax |
||
836 | mov ebx, 80100h |
||
837 | mov edx, [disasm_cur_str] |
||
838 | imul edx, 10 |
||
839 | add edx, data_x_pos*10000h + disasm_y_pos |
||
840 | mov ecx, ebp |
||
841 | int 40h |
||
842 | mov al, 4 |
||
843 | lea ebx, [edx+8*6*10000h] |
||
844 | mov ecx, esi |
||
845 | push 1 |
||
846 | pop esi |
||
847 | mov edx, aColon |
||
848 | int 40h |
||
849 | push 9 |
||
850 | pop edi |
||
851 | lea edx, [ebx+2*6*10000h] |
||
852 | mov esi, ecx |
||
853 | mov al, 47 |
||
854 | mov ebx, 20101h |
||
855 | mov ecx, ebp |
||
856 | sub ecx, [disasm_start_pos] |
||
857 | add ecx, disasm_buffer |
||
858 | .drawhex: |
||
859 | int 40h |
||
860 | add edx, 6*3*10000h |
||
861 | inc ecx |
||
862 | inc ebp |
||
863 | cmp ebp, [disasm_cur_pos] |
||
864 | jae .hexdone |
||
865 | dec edi |
||
866 | jnz .drawhex |
||
867 | push esi |
||
868 | mov esi, [disasm_cur_pos] |
||
869 | dec esi |
||
870 | cmp esi, ebp |
||
871 | pop esi |
||
872 | jbe .drawhex |
||
873 | mov al, 4 |
||
874 | lea ebx, [edx-6*10000h] |
||
875 | mov ecx, esi |
||
876 | push 3 |
||
877 | pop esi |
||
878 | mov edx, aDots |
||
879 | int 40h |
||
880 | mov esi, ecx |
||
881 | .hexdone: |
||
882 | xor eax, eax |
||
883 | mov edi, disasm_string |
||
884 | mov edx, edi |
||
885 | or ecx, -1 |
||
886 | repnz scasb |
||
887 | not ecx |
||
888 | dec ecx |
||
889 | xchg ecx, esi |
||
890 | mov ebx, [disasm_cur_str] |
||
891 | imul ebx, 10 |
||
892 | add ebx, (data_x_pos+6*40)*10000h+disasm_y_pos |
||
893 | mov al, 4 |
||
894 | int 40h |
||
895 | inc [disasm_cur_str] |
||
896 | cmp [disasm_cur_str], disasm_height |
||
897 | jb .loop |
||
898 | .loopend: |
||
899 | ret |
||
900 | |||
901 | update_disasm_eip: |
||
902 | ; test if instruction at eip is showed |
||
903 | mov ecx, disasm_height |
||
904 | mov eax, [disasm_start_pos] |
||
905 | mov [disasm_cur_pos], eax |
||
906 | @@: |
||
907 | mov eax, [_eip] |
||
908 | cmp [disasm_cur_pos], eax |
||
909 | jz redraw_disasm |
||
910 | push ecx |
||
911 | call disasm_instr |
||
912 | pop ecx |
||
913 | jc @f |
||
914 | loop @b |
||
915 | @@: |
||
916 | update_disasm_eip_force: |
||
917 | mov eax, [_eip] |
||
918 | mov [disasm_start_pos], eax |
||
919 | update_disasm: |
||
920 | cmp [debuggee_pid], 0 |
||
921 | jz .no |
||
922 | push 69 |
||
923 | pop eax |
||
924 | push 6 |
||
925 | pop ebx |
||
926 | mov ecx, [debuggee_pid] |
||
927 | mov edi, disasm_buffer |
||
928 | mov edx, 256 |
||
929 | mov esi, [disasm_start_pos] |
||
930 | int 40h |
||
931 | cmp eax, -1 |
||
932 | jnz @f |
||
933 | mov esi, read_mem_err |
||
934 | call put_message |
||
935 | .no: |
||
936 | xor eax, eax |
||
937 | @@: |
||
938 | mov [disasm_buf_size], eax |
||
939 | call restore_from_breaks |
||
940 | jmp redraw_disasm |
||
941 | |||
942 | draw_window: |
||
943 | ; start redraw |
||
944 | push 12 |
||
945 | pop eax |
||
946 | push 1 |
||
947 | pop ebx |
||
948 | int 40h |
||
949 | ; define window |
||
950 | xor eax, eax |
||
951 | mov ebx, wnd_x_size |
||
952 | mov ecx, wnd_y_size |
||
953 | mov edx, 3FFFFFFh |
||
954 | int 40h |
||
955 | ; caption |
||
956 | mov al, 4 |
||
957 | mov ecx, 0xFFFFFF |
||
958 | mov ebx, 80008h |
||
959 | mov edx, caption_str |
||
960 | push caption_len |
||
961 | pop esi |
||
962 | int 40h |
||
963 | ; messages frame |
||
964 | mov al, 38 |
||
965 | mov ebx, (messages_x_pos-2)*10000h + (messages_x_pos+messages_x_size+2) |
||
966 | push ebx |
||
967 | mov ecx, (messages_y_pos-2)*10001h |
||
968 | xor edx, edx |
||
969 | int 40h |
||
970 | mov ecx, (messages_y_pos+messages_y_size+2)*10001h |
||
971 | int 40h |
||
972 | mov ebx, (messages_x_pos-2)*10001h |
||
973 | push ebx |
||
974 | mov ecx, (messages_y_pos-2)*10000h + (messages_y_pos+messages_y_size+2) |
||
975 | int 40h |
||
976 | mov ebx, (messages_x_pos+messages_x_size+2)*10001h |
||
977 | push ebx |
||
978 | int 40h |
||
979 | ; command line frame |
||
980 | mov ecx, (cmdline_y_pos-2)*10000h + (cmdline_y_pos+cmdline_y_size+2) |
||
981 | pop ebx |
||
982 | int 40h |
||
983 | pop ebx |
||
984 | int 40h |
||
985 | pop ebx |
||
986 | mov ecx, (cmdline_y_pos+cmdline_y_size+2)*10001h |
||
987 | int 40h |
||
988 | mov ecx, (cmdline_y_pos-2)*10001h |
||
989 | int 40h |
||
990 | ; messages |
||
991 | call draw_messages |
||
992 | ; command line & cursor |
||
993 | call draw_cmdline |
||
994 | call draw_cursor |
||
995 | ; title & registers & dump & disasm |
||
996 | mov al, 38 |
||
997 | mov ebx, (data_x_pos-2)*10001h |
||
998 | mov ecx, (title_y_pos+5)*10000h + (messages_y_pos-2) |
||
999 | int 40h |
||
1000 | mov ebx, (data_x_pos+data_x_size+2)*10001h |
||
1001 | int 40h |
||
1002 | mov ebx, (data_x_pos-2)*10000h + (data_x_pos+data_x_size+2) |
||
1003 | mov ecx, (dump_y_pos-3)*10001h |
||
1004 | int 40h |
||
1005 | mov ecx, (disasm_y_pos-4)*10001h |
||
1006 | int 40h |
||
1007 | call draw_title |
||
1008 | call draw_registers |
||
1009 | call draw_dump |
||
1010 | call draw_disasm |
||
1011 | ; end redraw |
||
1012 | mov al, 12 |
||
1013 | push 2 |
||
1014 | pop ebx |
||
1015 | int 40h |
||
1016 | ret |
||
1017 | |||
1018 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1019 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DEBUGGING ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1020 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1021 | |||
1022 | OnHelp: |
||
1023 | mov esi, help_msg |
||
1024 | mov edi, [curarg] |
||
1025 | cmp byte [edi], 0 |
||
1026 | jz .x |
||
1027 | mov esi, help_groups |
||
1028 | call find_cmd |
||
1029 | jc .nocmd |
||
1030 | mov esi, [esi+12] |
||
1031 | .x: |
||
1032 | jmp put_message |
||
1033 | .nocmd: |
||
1034 | mov esi, aUnknownCommand |
||
1035 | jmp .x |
||
1036 | |||
1037 | OnQuit: |
||
1038 | xor eax, eax |
||
1039 | dec eax |
||
1040 | int 40h |
||
1041 | |||
1042 | get_new_context: |
||
1043 | mov esi, context |
||
1044 | mov edi, oldcontext |
||
1045 | mov ecx, 10 |
||
1046 | rep movsd |
||
1047 | get_context: |
||
1048 | push 1 |
||
1049 | pop ebx |
||
1050 | push 69 |
||
1051 | pop eax |
||
1052 | mov ecx, [debuggee_pid] |
||
1053 | mov esi, context |
||
1054 | push 28h |
||
1055 | pop edx |
||
1056 | int 40h |
||
1057 | ret |
||
1058 | set_context: |
||
1059 | push 2 |
||
1060 | pop ebx |
||
1061 | push 69 |
||
1062 | pop eax |
||
1063 | mov ecx, [debuggee_pid] |
||
1064 | mov esi, context |
||
1065 | push 28h |
||
1066 | pop edx |
||
1067 | int 40h |
||
1068 | ret |
||
1069 | |||
1070 | get_dump: |
||
1071 | mov edi, dumpdata |
||
1072 | mov esi, [edi-4] |
||
1073 | mov edx, dump_height*10h |
||
1074 | mov ecx, edx |
||
1075 | xor eax, eax |
||
1076 | push edi |
||
1077 | rep stosb |
||
1078 | pop edi |
||
1079 | mov ecx, [debuggee_pid] |
||
1080 | mov al, 69 |
||
1081 | push 6 |
||
1082 | pop ebx |
||
1083 | int 40h |
||
1084 | cmp eax, -1 |
||
1085 | jnz @f |
||
1086 | mov esi, read_mem_err |
||
1087 | call put_message |
||
1088 | xor eax, eax |
||
1089 | @@: |
||
1090 | mov [edi-8], eax |
||
1091 | ; call restore_from_breaks |
||
1092 | ; ret |
||
1093 | restore_from_breaks: |
||
1094 | ; in: edi=buffer,eax=size,esi=address |
||
1095 | mov ebx, breakpoints |
||
1096 | @@: |
||
1097 | test byte [ebx+4], 1 |
||
1098 | jz .cont ; ignore invalid |
||
1099 | test byte [ebx+4], 2 or 8 |
||
1100 | jnz .cont ; ignore disabled and memory breaks |
||
1101 | mov ecx, [ebx] |
||
1102 | sub ecx, esi |
||
1103 | cmp ecx, eax |
||
1104 | jae .cont |
||
1105 | mov dl, [ebx+5] |
||
1106 | mov [edi+ecx], dl |
||
1107 | .cont: |
||
1108 | add ebx, 6 |
||
1109 | cmp ebx, breakpoints+breakpoints_n*6 |
||
1110 | jb @b |
||
1111 | ret |
||
1112 | |||
1113 | OnLoad: |
||
1114 | mov esi, [curarg] |
||
1115 | OnLoadInit: |
||
1116 | mov edi, loadname |
||
1117 | or [prgname_len], -1 |
||
1118 | mov [prgname_ptr], edi |
||
1119 | .copyname: |
||
1120 | lodsb |
||
1121 | stosb |
||
1122 | inc [prgname_len] |
||
1123 | cmp al, '/' |
||
1124 | jnz @f |
||
1125 | or [prgname_len], -1 |
||
1126 | mov [prgname_ptr], edi |
||
1127 | @@: |
||
1128 | cmp al, ' ' |
||
1129 | ja .copyname |
||
1130 | mov byte [edi-1], 0 |
||
1131 | and [load_params], 0 |
||
1132 | dec esi |
||
1133 | call skip_spaces |
||
1134 | cmp al, 0 |
||
1135 | jz @f |
||
1136 | mov [load_params], esi |
||
1137 | @@: |
||
1138 | and [dumppos], 0 |
||
1139 | do_reload: |
||
1140 | push 18 |
||
1141 | pop eax |
||
1142 | push 7 |
||
1143 | pop ebx |
||
1144 | int 40h |
||
1145 | mov [dbgwnd], eax |
||
1146 | xchg ecx, eax |
||
1147 | push 70 |
||
1148 | pop eax |
||
1149 | mov ebx, fn70_load_block |
||
1150 | int 40h |
||
1151 | test eax, eax |
||
1152 | jns .load_ok |
||
1153 | .load_err: |
||
1154 | push eax |
||
1155 | mov esi, load_err_msg |
||
1156 | call put_message |
||
1157 | pop eax |
||
1158 | not eax |
||
1159 | cmp eax, 0x20 |
||
1160 | jae .unk_err |
||
1161 | mov esi, [load_err_msgs+eax*4] |
||
1162 | test esi, esi |
||
1163 | jnz put_message |
||
1164 | .unk_err: |
||
1165 | mov esi, unk_err_msg |
||
1166 | inc eax |
||
1167 | push eax |
||
1168 | call put_message_nodraw |
||
1169 | jmp draw_messages |
||
1170 | .load_ok: |
||
1171 | mov [debuggee_pid], eax |
||
1172 | mov [bSuspended], 1 |
||
1173 | push ecx |
||
1174 | call get_context |
||
1175 | mov edi, oldcontext |
||
1176 | mov ecx, 10 |
||
1177 | rep movsd |
||
1178 | ; activate debugger window |
||
1179 | pop ecx |
||
1180 | mov bl, 3 |
||
1181 | push 18 |
||
1182 | pop eax |
||
1183 | int 40h |
||
1184 | call redraw_title |
||
1185 | call redraw_registers |
||
1186 | call get_dump |
||
1187 | call redraw_dump |
||
1188 | call update_disasm_eip_force |
||
1189 | mov esi, load_succ_msg |
||
1190 | push [debuggee_pid] |
||
1191 | call put_message_nodraw |
||
1192 | call draw_messages |
||
1193 | ; now test for packed progs |
||
1194 | cmp [disasm_buf_size], 100h |
||
1195 | jz @f |
||
1196 | ret |
||
1197 | @@: |
||
1198 | mov esi, mxp_nrv_sig |
||
1199 | mov ebp, disasm_buffer |
||
1200 | mov edi, ebp |
||
1201 | push 3 |
||
1202 | pop ecx |
||
1203 | repz cmpsb |
||
1204 | jnz .not_mxp_nrv |
||
1205 | cmpsb |
||
1206 | mov cl, mxp_nrv_sig_size-4 |
||
1207 | repz cmpsb |
||
1208 | mov esi, mxp_nrv_name |
||
1209 | jz .packed |
||
1210 | .not_mxp_nrv: |
||
1211 | mov esi, mxp_sig |
||
1212 | mov edi, ebp |
||
1213 | mov cl, mxp_sig_size |
||
1214 | repz cmpsb |
||
1215 | mov esi, mxp_name |
||
1216 | jz .packed |
||
1217 | .not_mxp: |
||
1218 | mov esi, mxp_lzo_sig1 |
||
1219 | mov edi, ebp |
||
1220 | mov cl, mxp_lzo_sig1_size |
||
1221 | repz cmpsb |
||
1222 | mov esi, mxp_lzo_name |
||
1223 | jz .packed |
||
1224 | mov esi, mxp_lzo_sig2 |
||
1225 | mov edi, ebp |
||
1226 | mov cl, 8 |
||
1227 | repz cmpsb |
||
1228 | jnz .not_mxp_lzo |
||
1229 | cmpsb |
||
1230 | mov cl, mxp_lzo_sig2_size - 9 |
||
1231 | repz cmpsb |
||
1232 | mov esi, mxp_lzo_name |
||
1233 | jz .packed |
||
1234 | .not_mxp_lzo: |
||
1235 | mov esi, mtappack_name |
||
1236 | cmp dword [ebp], 0xBF5E246A |
||
1237 | jnz .not_mtappack |
||
1238 | cmp dword [ebp+8], 0xEC4E8B57 |
||
1239 | jnz .not_mtappack1 |
||
1240 | cmp dword [ebp+12], 0x8D5EA4F3 |
||
1241 | jnz .not_mtappack1 |
||
1242 | cmp byte [ebp+12h], 0xE9 |
||
1243 | jz .packed |
||
1244 | .not_mtappack1: |
||
1245 | cmp word [ebp+8], 0xB957 |
||
1246 | jnz .not_mtappack |
||
1247 | cmp dword [ebp+14], 0x575EA4F3 |
||
1248 | jnz .not_mtappack2 |
||
1249 | cmp byte [ebp+17h], 0xE9 |
||
1250 | jz .packed |
||
1251 | .not_mtappack2: |
||
1252 | cmp dword [ebp+14], 0x5F8DA4F3 |
||
1253 | jnz .not_mtappack3 |
||
1254 | cmp word [ebp+18], 0xE9FC |
||
1255 | jz .packed |
||
1256 | .not_mtappack3: |
||
1257 | cmp word [ebp+14], 0xA4F3 |
||
1258 | jnz .not_mtappack |
||
1259 | cmp byte [ebp+15h], 0xE9 |
||
1260 | jz .packed |
||
1261 | .not_mtappack: |
||
1262 | ret |
||
1263 | .packed: |
||
1264 | push esi |
||
1265 | mov esi, aPacked1 |
||
1266 | call put_message_nodraw |
||
1267 | pop esi |
||
1268 | call put_message_nodraw |
||
1269 | mov esi, aPacked2 |
||
1270 | call put_message |
||
1271 | call hide_cursor |
||
1272 | push 40 |
||
1273 | pop eax |
||
1274 | push 7 |
||
1275 | pop ebx |
||
1276 | int 40h |
||
1277 | .wait: |
||
1278 | push 10 |
||
1279 | pop eax |
||
1280 | int 40h |
||
1281 | dec eax |
||
1282 | jz .redraw |
||
1283 | dec eax |
||
1284 | jz .key |
||
1285 | or eax, -1 |
||
1286 | int 40h |
||
1287 | .redraw: |
||
1288 | call draw_window |
||
1289 | call hide_cursor |
||
1290 | jmp .wait |
||
1291 | .key: |
||
1292 | mov al, 2 |
||
1293 | int 40h |
||
1294 | cmp ah, 'y' |
||
1295 | jz .yes |
||
1296 | cmp ah, 'Y' |
||
1297 | jz .yes |
||
1298 | cmp ah, 0xD |
||
1299 | jz .yes |
||
1300 | cmp ah, 'n' |
||
1301 | jz .no |
||
1302 | cmp ah, 'N' |
||
1303 | jnz .wait |
||
1304 | .no: |
||
1305 | push 40 |
||
1306 | pop eax |
||
1307 | mov ebx, 0x107 |
||
1308 | int 40h |
||
1309 | call draw_cursor |
||
1310 | mov esi, aN_str |
||
1311 | jmp put_message |
||
1312 | .yes: |
||
1313 | push 40 |
||
1314 | pop eax |
||
1315 | mov ebx, 0x107 |
||
1316 | int 40h |
||
1317 | call draw_cursor |
||
1318 | mov esi, aY_str |
||
1319 | call put_message |
||
1320 | call OnUnpack |
||
1321 | ret |
||
1322 | |||
1323 | mxp_nrv_sig: |
||
1324 | xor eax, eax |
||
1325 | mov ecx, 0x95 ; 0xA1 for programs with parameters |
||
1326 | mov [eax], ecx |
||
1327 | add ecx, [eax+24h] |
||
1328 | push 40h |
||
1329 | pop esi |
||
1330 | mov edi, [eax+20h] |
||
1331 | push edi |
||
1332 | rep movsb |
||
1333 | jmp dword [esp] |
||
1334 | pop esi |
||
1335 | add esi, [eax] |
||
1336 | xor edi, edi |
||
1337 | mxp_nrv_sig_size = $ - mxp_nrv_sig |
||
1338 | |||
1339 | mxp_sig: |
||
1340 | mov ecx, 1CBh |
||
1341 | push 46h |
||
1342 | pop esi |
||
1343 | mov edi, [20h] |
||
1344 | rep movsb |
||
1345 | mov ecx, [24h] |
||
1346 | rep movsb |
||
1347 | jmp dword [20h] |
||
1348 | mov eax, [20h] |
||
1349 | add eax, 1CBh |
||
1350 | push eax |
||
1351 | push dword [24h] |
||
1352 | push 0 |
||
1353 | push 8 |
||
1354 | call $+0x25 |
||
1355 | mxp_sig_size = $ - mxp_sig |
||
1356 | |||
1357 | mxp_lzo_sig1: |
||
1358 | xor eax, eax |
||
1359 | mov ebp, 0FFh |
||
1360 | mov ecx, 175h |
||
1361 | mov [eax], ecx |
||
1362 | add ecx, [eax+24h] |
||
1363 | push 45h |
||
1364 | pop esi |
||
1365 | mov edi, [eax+20h] |
||
1366 | push edi |
||
1367 | rep movsb |
||
1368 | jmp dword [esp] |
||
1369 | pop ebx |
||
1370 | add ebx, [eax] |
||
1371 | xor edi, edi |
||
1372 | cmp byte [ebx], 11h |
||
1373 | jbe $+0x1A |
||
1374 | mxp_lzo_sig1_size = $ - mxp_lzo_sig1 |
||
1375 | mxp_lzo_sig2: |
||
1376 | xor eax, eax |
||
1377 | mov ebp, 0FFh |
||
1378 | mov ecx, 188h ; or 177h |
||
1379 | mov [eax], ecx |
||
1380 | add ecx, [eax+24h] |
||
1381 | push 44h |
||
1382 | pop esi |
||
1383 | mov edi, [eax+20h] |
||
1384 | rep movsb |
||
1385 | jmp dword [eax+20h] |
||
1386 | mov ebx, [eax+20h] |
||
1387 | add ebx, [eax] |
||
1388 | mxp_lzo_sig2_size = $ - mxp_lzo_sig2 |
||
1389 | |||
1390 | OnReload: |
||
1391 | cmp [debuggee_pid], 0 |
||
1392 | jnz terminate_reload |
||
1393 | mov esi, need_debuggee |
||
1394 | cmp byte [loadname], 0 |
||
1395 | jnz do_reload |
||
1396 | jz put_message |
||
1397 | terminate_reload: |
||
1398 | mov [bReload], 1 |
||
1399 | OnTerminate: |
||
1400 | mov ecx, [debuggee_pid] |
||
1401 | push 8 |
||
1402 | pop ebx |
||
1403 | push 69 |
||
1404 | pop eax |
||
1405 | int 40h |
||
1406 | ret |
||
1407 | |||
1408 | AfterSuspend: |
||
1409 | mov [bSuspended], 1 |
||
1410 | call get_new_context |
||
1411 | call get_dump |
||
1412 | call redraw_title |
||
1413 | call redraw_registers |
||
1414 | call redraw_dump |
||
1415 | call update_disasm_eip |
||
1416 | ret |
||
1417 | |||
1418 | OnSuspend: |
||
1419 | mov ecx, [debuggee_pid] |
||
1420 | push 4 |
||
1421 | pop ebx |
||
1422 | push 69 |
||
1423 | pop eax |
||
1424 | int 40h |
||
1425 | call AfterSuspend |
||
1426 | mov esi, aSuspended |
||
1427 | jmp put_message |
||
1428 | DoResume: |
||
1429 | mov ecx, [debuggee_pid] |
||
1430 | push 5 |
||
1431 | pop ebx |
||
1432 | push 69 |
||
1433 | pop eax |
||
1434 | int 40h |
||
1435 | mov [bSuspended], 0 |
||
1436 | ret |
||
1437 | OnResume: |
||
1438 | mov esi, [curarg] |
||
1439 | cmp byte [esi], 0 |
||
1440 | jz GoOn |
||
1441 | call calc_expression |
||
1442 | jc .ret |
||
1443 | mov eax, ebp |
||
1444 | push eax |
||
1445 | call find_enabled_breakpoint |
||
1446 | pop eax |
||
1447 | jz GoOn |
||
1448 | mov bl, 5 ; valid enabled one-shot |
||
1449 | call add_breakpoint |
||
1450 | jnc GoOn |
||
1451 | mov esi, aBreakpointLimitExceeded |
||
1452 | call put_message |
||
1453 | .ret: |
||
1454 | ret |
||
1455 | GoOn: |
||
1456 | ; test for enabled breakpoint at eip |
||
1457 | mov eax, [_eip] |
||
1458 | call find_enabled_breakpoint |
||
1459 | jnz .nobreak |
||
1460 | ; temporarily disable breakpoint, make step, enable breakpoint, continue |
||
1461 | inc eax |
||
1462 | mov [temp_break], eax |
||
1463 | mov [bAfterGo], 1 |
||
1464 | dec eax |
||
1465 | call disable_breakpoint |
||
1466 | call get_context |
||
1467 | or byte [_eflags+1], 1 ; set TF |
||
1468 | call set_context |
||
1469 | and byte [_eflags+1], not 1 |
||
1470 | call DoResume |
||
1471 | ret |
||
1472 | .nobreak: |
||
1473 | call DoResume |
||
1474 | call redraw_title |
||
1475 | call redraw_registers |
||
1476 | call redraw_dump |
||
1477 | ret |
||
1478 | OnDetach: |
||
1479 | mov ecx, [debuggee_pid] |
||
1480 | push 3 |
||
1481 | pop ebx |
||
1482 | push 69 |
||
1483 | pop eax |
||
1484 | int 40h |
||
1485 | and [debuggee_pid], 0 |
||
1486 | call redraw_title |
||
1487 | call redraw_registers |
||
1488 | call redraw_dump |
||
1489 | mov esi, aContinued |
||
1490 | jmp put_message |
||
1491 | |||
1492 | after_go_exception: |
||
1493 | push eax |
||
1494 | mov eax, [temp_break] |
||
1495 | dec eax |
||
1496 | push esi |
||
1497 | call enable_breakpoint |
||
1498 | ; in any case, clear TF and RF |
||
1499 | call get_new_context |
||
1500 | and [_eflags], not 10100h ; clear TF,RF |
||
1501 | call set_context |
||
1502 | xor edx, edx |
||
1503 | mov [temp_break], edx |
||
1504 | xchg dl, [bAfterGo] |
||
1505 | pop esi |
||
1506 | pop eax |
||
1507 | cmp dl, 2 |
||
1508 | jnz @f |
||
1509 | lodsd |
||
1510 | push esi |
||
1511 | call get_dump |
||
1512 | jmp exception.done |
||
1513 | @@: test eax, eax |
||
1514 | jz .notint1 |
||
1515 | ; if exception is result of single step, simply ignore it and continue |
||
1516 | test dword [esi], 0xF |
||
1517 | jnz dbgmsgstart.5 |
||
1518 | lodsd |
||
1519 | push esi |
||
1520 | mov esi, oldcontext |
||
1521 | mov edi, context |
||
1522 | mov ecx, 28h/4 |
||
1523 | rep movsd |
||
1524 | call DoResume |
||
1525 | jmp dbgmsgend |
||
1526 | .notint1: |
||
1527 | ; in other case, work as without temp_break |
||
1528 | lodsd |
||
1529 | push esi |
||
1530 | push eax |
||
1531 | jmp exception.4 |
||
1532 | .notour: |
||
1533 | |||
1534 | debugmsg: |
||
1535 | neg [dbgbufsize] |
||
1536 | mov esi, dbgbuf |
||
1537 | dbgmsgstart: |
||
1538 | lodsd |
||
1539 | ; push eax esi |
||
1540 | ; push dword [esi] |
||
1541 | ; mov esi, dbgmsg_str |
||
1542 | ; call put_message_nodraw |
||
1543 | ; pop esi eax |
||
1544 | add esi, 4 |
||
1545 | dec eax |
||
1546 | jz exception |
||
1547 | dec eax |
||
1548 | jz terminated |
||
1549 | mov [bSuspended], 1 |
||
1550 | cmp [bAfterGo], 0 |
||
1551 | jnz after_go_exception |
||
1552 | push esi |
||
1553 | call get_new_context |
||
1554 | and [_eflags], not 10100h ; clear TF,RF |
||
1555 | call set_context |
||
1556 | pop esi |
||
1557 | .5: |
||
1558 | push esi |
||
1559 | call get_dump |
||
1560 | pop esi |
||
1561 | lodsd |
||
1562 | xor ecx, ecx |
||
1563 | .6: |
||
1564 | bt eax, ecx |
||
1565 | jnc .7 |
||
1566 | mov ebx, [drx_break+ecx*4] |
||
1567 | test ebx, ebx |
||
1568 | jz .7 |
||
1569 | pushad |
||
1570 | dec ebx |
||
1571 | push ebx |
||
1572 | mov esi, aBreakStop |
||
1573 | call put_message_nodraw |
||
1574 | popad |
||
1575 | .7: |
||
1576 | inc ecx |
||
1577 | cmp cl, 4 |
||
1578 | jb .6 |
||
1579 | push esi |
||
1580 | jmp exception.done_draw |
||
1581 | terminated: |
||
1582 | push esi |
||
1583 | mov esi, terminated_msg |
||
1584 | call put_message |
||
1585 | and [debuggee_pid], 0 |
||
1586 | and [temp_break], 0 |
||
1587 | mov [bAfterGo], 0 |
||
1588 | xor eax, eax |
||
1589 | mov ecx, breakpoints_n*6/4+4 |
||
1590 | mov edi, breakpoints |
||
1591 | rep stosd |
||
1592 | cmp [bReload], 1 |
||
1593 | sbb [bReload], -1 |
||
1594 | jmp exception.done |
||
1595 | exception: |
||
1596 | mov [bSuspended], 1 |
||
1597 | cmp [bAfterGo], 0 |
||
1598 | jnz after_go_exception |
||
1599 | lodsd |
||
1600 | push esi |
||
1601 | push eax |
||
1602 | call get_new_context |
||
1603 | and [_eflags], not 10100h ; clear TF,RF |
||
1604 | call set_context |
||
1605 | .4: |
||
1606 | call get_dump |
||
1607 | pop eax |
||
1608 | ; int3 command generates exception 0D, #GP |
||
1609 | push eax |
||
1610 | cmp al, 0Dh |
||
1611 | jnz .notdbg |
||
1612 | ; check for 0xCC byte at eip |
||
1613 | push 0 |
||
1614 | push 69 |
||
1615 | pop eax |
||
1616 | push 6 |
||
1617 | pop ebx |
||
1618 | mov ecx, [debuggee_pid] |
||
1619 | mov edi, esp |
||
1620 | mov esi, [_eip] |
||
1621 | push 1 |
||
1622 | pop edx |
||
1623 | int 40h |
||
1624 | pop eax |
||
1625 | cmp al, 0xCC |
||
1626 | jnz .notdbg |
||
1627 | ; this is either dbg breakpoint or int3 cmd in debuggee |
||
1628 | mov eax, [_eip] |
||
1629 | call find_enabled_breakpoint |
||
1630 | jnz .user_int3 |
||
1631 | ; dbg breakpoint; clear if one-shot |
||
1632 | pop ecx |
||
1633 | push eax |
||
1634 | mov esi, aBreakStop |
||
1635 | test byte [edi+4], 4 |
||
1636 | jz .put_msg_eax |
||
1637 | pop ecx |
||
1638 | call clear_breakpoint |
||
1639 | jmp .done |
||
1640 | .user_int3: |
||
1641 | mov eax, [_eip] |
||
1642 | inc [_eip] |
||
1643 | pop ecx |
||
1644 | push eax |
||
1645 | call set_context |
||
1646 | mov esi, aUserBreak |
||
1647 | jmp .put_msg_eax |
||
1648 | .notdbg: |
||
1649 | mov esi, aException |
||
1650 | .put_msg_eax: |
||
1651 | call put_message_nodraw |
||
1652 | .done_draw: |
||
1653 | call draw_messages |
||
1654 | .done: |
||
1655 | push 18 |
||
1656 | pop eax |
||
1657 | push 3 |
||
1658 | pop ebx |
||
1659 | mov ecx, [dbgwnd] |
||
1660 | int 40h ; activate dbg window |
||
1661 | call redraw_title |
||
1662 | call redraw_registers |
||
1663 | call redraw_dump |
||
1664 | call update_disasm_eip |
||
1665 | dbgmsgend: |
||
1666 | pop esi |
||
1667 | mov ecx, [dbgbuflen] |
||
1668 | add ecx, dbgbuf |
||
1669 | cmp esi, ecx |
||
1670 | jnz dbgmsgstart |
||
1671 | and [dbgbuflen], 0 |
||
1672 | neg [dbgbufsize] |
||
1673 | cmp [bReload], 2 |
||
1674 | jnz @f |
||
1675 | mov [bReload], 0 |
||
1676 | call do_reload |
||
1677 | @@: |
||
1678 | jmp waitevent |
||
1679 | |||
1680 | CtrlF7: |
||
1681 | cmp [debuggee_pid], 0 |
||
1682 | jz .no |
||
1683 | call OnStep |
||
1684 | .no: |
||
1685 | jmp waitevent |
||
1686 | CtrlF8: |
||
1687 | cmp [debuggee_pid], 0 |
||
1688 | jz CtrlF7.no |
||
1689 | call OnProceed |
||
1690 | jmp CtrlF7.no |
||
1691 | |||
1692 | OnStep: |
||
1693 | cmp [bSuspended], 0 |
||
1694 | jz .running |
||
1695 | call get_context |
||
1696 | or byte [_eflags+1], 1 ; set TF |
||
1697 | call set_context |
||
1698 | and byte [_eflags+1], not 1 |
||
1699 | ; if instruction at eip is "int xx", set one-shot breakpoint immediately after |
||
1700 | mov eax, [_eip] |
||
1701 | call find_enabled_breakpoint |
||
1702 | jnz @f |
||
1703 | cmp byte [edi+5], 0xCD |
||
1704 | jz .int |
||
1705 | @@: |
||
1706 | push 0 |
||
1707 | push 69 |
||
1708 | pop eax |
||
1709 | push 6 |
||
1710 | pop ebx |
||
1711 | mov ecx, [debuggee_pid] |
||
1712 | push 3 |
||
1713 | pop edx |
||
1714 | mov edi, esp |
||
1715 | mov esi, [_eip] |
||
1716 | int 40h |
||
1717 | cmp eax, edx |
||
1718 | pop eax |
||
1719 | jnz .doit |
||
1720 | cmp al, 0xCD |
||
1721 | jz .int |
||
1722 | ; resume process |
||
1723 | .doit: |
||
1724 | call GoOn |
||
1725 | cmp [bAfterGo], 0 |
||
1726 | jz @f |
||
1727 | mov [bAfterGo], 2 |
||
1728 | @@: |
||
1729 | ret |
||
1730 | .int: |
||
1731 | mov eax, [_eip] |
||
1732 | inc eax |
||
1733 | inc eax |
||
1734 | push eax |
||
1735 | call find_enabled_breakpoint |
||
1736 | pop eax |
||
1737 | jz .doit |
||
1738 | ; there is no enabled breakpoint yet; set temporary breakpoint |
||
1739 | mov bl, 5 |
||
1740 | call add_breakpoint |
||
1741 | jmp .doit |
||
1742 | .running: |
||
1743 | mov esi, aRunningErr |
||
1744 | jmp put_message |
||
1745 | |||
1746 | OnProceed: |
||
1747 | cmp [bSuspended], 0 |
||
1748 | jz OnStep.running |
||
1749 | mov esi, [_eip] |
||
1750 | @@: |
||
1751 | call get_byte_nobreak |
||
1752 | jc OnStep |
||
1753 | inc esi |
||
1754 | ; skip prefixes |
||
1755 | call is_prefix |
||
1756 | jz @b |
||
1757 | cmp al, 0xE8 ; call |
||
1758 | jnz @f |
||
1759 | add esi, 4 |
||
1760 | jmp .doit |
||
1761 | @@: ; A4,A5 = movs, A6,A7=cmps |
||
1762 | cmp al, 0xA4 |
||
1763 | jb @f |
||
1764 | cmp al, 0xA8 |
||
1765 | jb .doit |
||
1766 | @@: ; AA,AB=stos, AC,AD=lods, AE,AF=scas |
||
1767 | cmp al, 0xAA |
||
1768 | jb @f |
||
1769 | cmp al, 0xB0 |
||
1770 | jb .doit |
||
1771 | @@: ; E0=loopnz,E1=loopz,E2=loop |
||
1772 | cmp al, 0xE0 |
||
1773 | jb .noloop |
||
1774 | cmp al, 0xE2 |
||
1775 | ja .noloop |
||
1776 | inc esi |
||
1777 | jmp .doit |
||
1778 | .noloop: ; FF /2 = call |
||
1779 | cmp al, 0xFF |
||
1780 | jnz OnStep |
||
1781 | call get_byte_nobreak |
||
1782 | jc OnStep |
||
1783 | inc esi |
||
1784 | mov cl, al |
||
1785 | and al, 00111000b |
||
1786 | cmp al, 00010000b |
||
1787 | jnz OnStep |
||
1788 | ; skip instruction |
||
1789 | mov al, cl |
||
1790 | and eax, 7 |
||
1791 | shr cl, 6 |
||
1792 | jz .mod0 |
||
1793 | jp .doit |
||
1794 | cmp al, 4 |
||
1795 | jnz @f |
||
1796 | inc esi |
||
1797 | @@: |
||
1798 | inc esi |
||
1799 | dec cl |
||
1800 | jz @f |
||
1801 | add esi, 3 |
||
1802 | @@: |
||
1803 | jmp .doit |
||
1804 | .mod0: |
||
1805 | cmp al, 4 |
||
1806 | jnz @f |
||
1807 | call get_byte_nobreak |
||
1808 | jc OnStep |
||
1809 | inc esi |
||
1810 | and al, 7 |
||
1811 | @@: |
||
1812 | cmp al, 5 |
||
1813 | jnz .doit |
||
1814 | add esi, 4 |
||
1815 | .doit: |
||
1816 | ; insert one-shot breakpoint at esi and resume |
||
1817 | call get_byte_nobreak |
||
1818 | jc OnStep |
||
1819 | mov eax, esi |
||
1820 | call find_enabled_breakpoint |
||
1821 | jz .ret |
||
1822 | mov eax, esi |
||
1823 | mov bl, 5 |
||
1824 | call add_breakpoint |
||
1825 | jmp OnStep.doit |
||
1826 | .ret: |
||
1827 | ret |
||
1828 | |||
1829 | get_byte_nobreak: |
||
1830 | mov eax, esi |
||
1831 | call find_enabled_breakpoint |
||
1832 | jnz .nobreak |
||
1833 | mov al, [edi+5] |
||
1834 | clc |
||
1835 | ret |
||
1836 | .nobreak: |
||
1837 | push 69 |
||
1838 | pop eax |
||
1839 | push 6 |
||
1840 | pop ebx |
||
1841 | mov ecx, [debuggee_pid] |
||
1842 | xor edx, edx |
||
1843 | push edx |
||
1844 | inc edx |
||
1845 | mov edi, esp |
||
1846 | int 40h |
||
1847 | dec eax |
||
1848 | clc |
||
1849 | jz @f |
||
1850 | stc |
||
1851 | @@: pop eax |
||
1852 | ret |
||
1853 | |||
1854 | is_prefix: |
||
1855 | cmp al, 0x64 ; fs: |
||
1856 | jz .ret |
||
1857 | cmp al, 0x65 ; gs: |
||
1858 | jz .ret |
||
1859 | cmp al, 0x66 ; use16/32 |
||
1860 | jz .ret |
||
1861 | cmp al, 0x67 ; addr16/32 |
||
1862 | jz .ret |
||
1863 | cmp al, 0xF0 ; lock |
||
1864 | jz .ret |
||
1865 | cmp al, 0xF2 ; repnz |
||
1866 | jz .ret |
||
1867 | cmp al, 0xF3 ; rep(z) |
||
1868 | jz .ret |
||
1869 | cmp al, 0x2E ; cs: |
||
1870 | jz .ret |
||
1871 | cmp al, 0x36 ; ss: |
||
1872 | jz .ret |
||
1873 | cmp al, 0x3E ; ds: |
||
1874 | jz .ret |
||
1875 | cmp al, 0x26 ; es: |
||
1876 | .ret: ret |
||
1877 | |||
1878 | token_end equ 1 |
||
1879 | token_reg equ 2 |
||
1880 | token_hex equ 3 |
||
1881 | token_add equ 4 |
||
1882 | token_sub equ 5 |
||
1883 | token_mul equ 6 |
||
1884 | token_div equ 7 |
||
1885 | token_lp equ 8 |
||
1886 | token_rp equ 9 |
||
1887 | token_err equ -1 |
||
1888 | |||
1889 | is_hex_digit: |
||
1890 | cmp al, '0' |
||
1891 | jb .no |
||
1892 | cmp al, '9' |
||
1893 | jbe .09 |
||
1894 | cmp al, 'A' |
||
1895 | jb .no |
||
1896 | cmp al, 'F' |
||
1897 | jbe .AF |
||
1898 | cmp al, 'a' |
||
1899 | jb .no |
||
1900 | cmp al, 'f' |
||
1901 | jbe .af |
||
1902 | .no: |
||
1903 | stc |
||
1904 | ret |
||
1905 | .09: |
||
1906 | sub al, '0' |
||
1907 | ; clc |
||
1908 | ret |
||
1909 | .AF: |
||
1910 | sub al, 'A'-10 |
||
1911 | ; clc |
||
1912 | ret |
||
1913 | .af: |
||
1914 | sub al, 'a'-10 |
||
1915 | ; clc |
||
1916 | ret |
||
1917 | |||
1918 | find_reg: |
||
1919 | mov edi, reg_table |
||
1920 | .findreg: |
||
1921 | movzx ecx, byte [edi] |
||
1922 | stc |
||
1923 | jecxz .regnotfound |
||
1924 | inc edi |
||
1925 | push esi edi ecx |
||
1926 | @@: |
||
1927 | lodsb |
||
1928 | or al, 20h |
||
1929 | scasb |
||
1930 | loopz @b |
||
1931 | pop ecx edi esi |
||
1932 | lea edi, [edi+ecx+1] |
||
1933 | jnz .findreg |
||
1934 | movzx edi, byte [edi-1] |
||
1935 | add esi, ecx |
||
1936 | .regnotfound: |
||
1937 | ret |
||
1938 | |||
1939 | expr_get_token: |
||
1940 | lodsb |
||
1941 | cmp al, 0 |
||
1942 | jz .end_token |
||
1943 | cmp al, ' ' |
||
1944 | jbe expr_get_token |
||
1945 | cmp al, '+' |
||
1946 | jz .add |
||
1947 | cmp al, '-' |
||
1948 | jz .sub |
||
1949 | cmp al, '*' |
||
1950 | jz .mul |
||
1951 | cmp al, '/' |
||
1952 | jz .div |
||
1953 | cmp al, '(' |
||
1954 | jz .lp |
||
1955 | cmp al, ')' |
||
1956 | jnz .notsign |
||
1957 | .rp: |
||
1958 | mov al, token_rp |
||
1959 | ret |
||
1960 | .div: |
||
1961 | mov al, token_div |
||
1962 | ret |
||
1963 | .end_token: |
||
1964 | mov al, token_end |
||
1965 | ret |
||
1966 | .add: |
||
1967 | mov al, token_add |
||
1968 | ret |
||
1969 | .sub: |
||
1970 | mov al, token_sub |
||
1971 | ret |
||
1972 | .mul: |
||
1973 | mov al, token_mul |
||
1974 | ret |
||
1975 | .lp: |
||
1976 | mov al, token_lp |
||
1977 | ret |
||
1978 | .notsign: |
||
1979 | dec esi |
||
1980 | call find_reg |
||
1981 | jc .regnotfound |
||
1982 | mov al, token_reg |
||
1983 | ret |
||
1984 | .regnotfound: |
||
1985 | ; test for hex number |
||
1986 | xor ecx, ecx |
||
1987 | xor edi, edi |
||
1988 | xor eax, eax |
||
1989 | @@: |
||
1990 | lodsb |
||
1991 | call is_hex_digit |
||
1992 | jc @f |
||
1993 | shl edi, 4 |
||
1994 | or edi, eax |
||
1995 | inc ecx |
||
1996 | jmp @b |
||
1997 | @@: |
||
1998 | dec esi |
||
1999 | jecxz .err |
||
2000 | cmp ecx, 8 |
||
2001 | ja .err |
||
2002 | mov al, token_hex |
||
2003 | ret |
||
2004 | .err: |
||
2005 | mov al, token_err |
||
2006 | mov esi, aParseError |
||
2007 | ret |
||
2008 | |||
2009 | expr_read2: |
||
2010 | cmp al, token_hex |
||
2011 | jz .hex |
||
2012 | cmp al, token_reg |
||
2013 | jz .reg |
||
2014 | cmp al, token_lp |
||
2015 | jz .lp |
||
2016 | mov al, token_err |
||
2017 | mov esi, aParseError |
||
2018 | ret |
||
2019 | .hex: |
||
2020 | mov ebp, edi |
||
2021 | .ret: |
||
2022 | jmp expr_get_token |
||
2023 | .reg: |
||
2024 | cmp edi, 24 |
||
2025 | jz .eip |
||
2026 | sub edi, 4 |
||
2027 | jb .8lo |
||
2028 | sub edi, 4 |
||
2029 | jb .8hi |
||
2030 | sub edi, 8 |
||
2031 | jb .16 |
||
2032 | mov ebp, [_eax+edi*4] |
||
2033 | jmp .ret |
||
2034 | .16: |
||
2035 | movzx ebp, word [_eax+(edi+8)*4] |
||
2036 | jmp .ret |
||
2037 | .8lo: |
||
2038 | movzx ebp, byte [_eax+(edi+4)*4] |
||
2039 | jmp .ret |
||
2040 | .8hi: |
||
2041 | movzx ebp, byte [_eax+(edi+4)*4+1] |
||
2042 | jmp .ret |
||
2043 | .eip: |
||
2044 | mov ebp, [_eip] |
||
2045 | jmp .ret |
||
2046 | .lp: |
||
2047 | call expr_get_token |
||
2048 | call expr_read0 |
||
2049 | cmp al, token_err |
||
2050 | jz @f |
||
2051 | cmp al, token_rp |
||
2052 | jz expr_get_token |
||
2053 | mov al, token_err |
||
2054 | mov esi, aParseError |
||
2055 | @@: ret |
||
2056 | |||
2057 | expr_read1: |
||
2058 | call expr_read2 |
||
2059 | .1: |
||
2060 | cmp al, token_mul |
||
2061 | jz .mul |
||
2062 | cmp al, token_div |
||
2063 | jz .div |
||
2064 | ret |
||
2065 | .mul: |
||
2066 | push ebp |
||
2067 | call expr_get_token |
||
2068 | call expr_read2 |
||
2069 | pop edx |
||
2070 | ; ebp := edx*ebp |
||
2071 | imul ebp, edx |
||
2072 | jmp .1 |
||
2073 | .div: |
||
2074 | push ebp |
||
2075 | call expr_get_token |
||
2076 | call expr_read2 |
||
2077 | pop edx |
||
2078 | ; ebp := edx/ebp |
||
2079 | test ebp, ebp |
||
2080 | jz .div0 |
||
2081 | push eax |
||
2082 | xor eax, eax |
||
2083 | xchg eax, edx |
||
2084 | div ebp |
||
2085 | xchg eax, ebp |
||
2086 | pop eax |
||
2087 | jmp .1 |
||
2088 | .div0: |
||
2089 | mov al, token_err |
||
2090 | mov esi, aDivByZero |
||
2091 | ret |
||
2092 | |||
2093 | expr_read0: |
||
2094 | xor ebp, ebp |
||
2095 | cmp al, token_add |
||
2096 | jz .add |
||
2097 | cmp al, token_sub |
||
2098 | jz .sub |
||
2099 | call expr_read1 |
||
2100 | .1: |
||
2101 | cmp al, token_add |
||
2102 | jz .add |
||
2103 | cmp al, token_sub |
||
2104 | jz .sub |
||
2105 | ret |
||
2106 | .add: |
||
2107 | push ebp |
||
2108 | call expr_get_token |
||
2109 | call expr_read1 |
||
2110 | pop edx |
||
2111 | ; ebp := edx+ebp |
||
2112 | add ebp, edx |
||
2113 | jmp .1 |
||
2114 | .sub: |
||
2115 | push ebp |
||
2116 | call expr_get_token |
||
2117 | call expr_read1 |
||
2118 | pop edx |
||
2119 | ; ebp := edx-ebp |
||
2120 | xchg edx, ebp |
||
2121 | sub ebp, edx |
||
2122 | jmp .1 |
||
2123 | |||
2124 | calc_expression: |
||
2125 | ; in: esi->expression |
||
2126 | ; out: CF=1 if error |
||
2127 | ; CF=0 and ebp=value if ok |
||
2128 | call expr_get_token |
||
2129 | call expr_read0 |
||
2130 | cmp al, token_end |
||
2131 | jz .end |
||
2132 | cmp al, token_err |
||
2133 | jz @f |
||
2134 | mov esi, aParseError |
||
2135 | @@: |
||
2136 | call put_message |
||
2137 | stc |
||
2138 | ret |
||
2139 | .end: |
||
2140 | clc |
||
2141 | ret |
||
2142 | |||
2143 | OnCalc: |
||
2144 | mov esi, [curarg] |
||
2145 | call calc_expression |
||
2146 | jc .ret |
||
2147 | push ebp |
||
2148 | mov esi, calc_string |
||
2149 | call put_message_nodraw |
||
2150 | jmp draw_messages |
||
2151 | .ret: |
||
2152 | ret |
||
2153 | |||
2154 | OnDump: |
||
2155 | mov esi, [curarg] |
||
2156 | cmp byte [esi], 0 |
||
2157 | jnz .param |
||
2158 | add [dumppos], dump_height*10h |
||
2159 | jmp .doit |
||
2160 | .param: |
||
2161 | call calc_expression |
||
2162 | jc .ret |
||
2163 | mov [dumppos], ebp |
||
2164 | .doit: |
||
2165 | call get_dump |
||
2166 | call redraw_dump |
||
2167 | .ret: |
||
2168 | ret |
||
2169 | |||
2170 | OnUnassemble: |
||
2171 | mov esi, [curarg] |
||
2172 | cmp byte [esi], 0 |
||
2173 | jnz .param |
||
2174 | mov eax, [disasm_start_pos] |
||
2175 | mov ecx, disasm_height |
||
2176 | mov [disasm_cur_pos], eax |
||
2177 | @@: |
||
2178 | push ecx |
||
2179 | call disasm_instr |
||
2180 | pop ecx |
||
2181 | jc .err |
||
2182 | loop @b |
||
2183 | mov eax, [disasm_cur_pos] |
||
2184 | jmp .doit |
||
2185 | .param: |
||
2186 | call calc_expression |
||
2187 | jc .ret |
||
2188 | mov eax, ebp |
||
2189 | .doit: |
||
2190 | push eax |
||
2191 | push [disasm_start_pos] |
||
2192 | mov [disasm_start_pos], eax |
||
2193 | call update_disasm |
||
2194 | pop [disasm_start_pos] |
||
2195 | pop eax |
||
2196 | cmp [disasm_cur_str], 0 |
||
2197 | jz @f |
||
2198 | mov [disasm_start_pos], eax |
||
2199 | .ret: |
||
2200 | ret |
||
2201 | @@: |
||
2202 | call update_disasm |
||
2203 | .err: |
||
2204 | mov esi, aInvAddr |
||
2205 | jmp put_message |
||
2206 | |||
2207 | OnReg: |
||
2208 | mov esi, [curarg] |
||
2209 | call skip_spaces |
||
2210 | call find_reg |
||
2211 | jnc @f |
||
2212 | .err: |
||
2213 | mov esi, RSyntax |
||
2214 | jmp put_message |
||
2215 | @@: |
||
2216 | call skip_spaces |
||
2217 | test al, al |
||
2218 | jz .err |
||
2219 | cmp al, '=' |
||
2220 | jnz @f |
||
2221 | inc esi |
||
2222 | call skip_spaces |
||
2223 | test al, al |
||
2224 | jz .err |
||
2225 | @@: |
||
2226 | push edi |
||
2227 | call calc_expression |
||
2228 | pop edi |
||
2229 | jc .ret |
||
2230 | ; now edi=register id, ebp=value |
||
2231 | cmp [bSuspended], 0 |
||
2232 | mov esi, aRunningErr |
||
2233 | jz put_message |
||
2234 | xchg eax, ebp |
||
2235 | cmp edi, 24 |
||
2236 | jz .eip |
||
2237 | sub edi, 4 |
||
2238 | jb .8lo |
||
2239 | sub edi, 4 |
||
2240 | jb .8hi |
||
2241 | sub edi, 8 |
||
2242 | jb .16 |
||
2243 | mov [_eax+edi*4], eax |
||
2244 | jmp .ret |
||
2245 | .16: |
||
2246 | mov word [_eax+(edi+8)*4], ax |
||
2247 | jmp .ret |
||
2248 | .8lo: |
||
2249 | mov byte [_eax+(edi+4)*4], al |
||
2250 | jmp .ret |
||
2251 | .8hi: |
||
2252 | mov byte [_eax+(edi+4)*4+1], al |
||
2253 | jmp .ret |
||
2254 | .eip: |
||
2255 | mov [_eip], eax |
||
2256 | call update_disasm_eip |
||
2257 | .ret: |
||
2258 | call set_context |
||
2259 | jmp redraw_registers |
||
2260 | |||
2261 | ; Breakpoints manipulation |
||
2262 | OnBp: |
||
2263 | mov esi, [curarg] |
||
2264 | call calc_expression |
||
2265 | jc .ret |
||
2266 | xchg eax, ebp |
||
2267 | push eax |
||
2268 | call find_breakpoint |
||
2269 | inc eax |
||
2270 | pop eax |
||
2271 | jz .notfound |
||
2272 | mov esi, aDuplicateBreakpoint |
||
2273 | jmp .sayerr |
||
2274 | .notfound: |
||
2275 | mov bl, 1 |
||
2276 | call add_breakpoint |
||
2277 | jnc .ret |
||
2278 | mov esi, aBreakpointLimitExceeded |
||
2279 | .sayerr: |
||
2280 | call put_message |
||
2281 | .ret: |
||
2282 | jmp redraw_disasm |
||
2283 | |||
2284 | OnBpmb: |
||
2285 | mov dh, 0011b |
||
2286 | jmp DoBpm |
||
2287 | OnBpmw: |
||
2288 | mov dh, 0111b |
||
2289 | jmp DoBpm |
||
2290 | OnBpmd: |
||
2291 | mov dh, 1111b |
||
2292 | DoBpm: |
||
2293 | mov esi, [curarg] |
||
2294 | cmp byte [esi], 'w' |
||
2295 | jnz @f |
||
2296 | and dh, not 2 |
||
2297 | inc esi |
||
2298 | @@: |
||
2299 | push edx |
||
2300 | call calc_expression |
||
2301 | pop edx |
||
2302 | jnc @f |
||
2303 | ret |
||
2304 | @@: |
||
2305 | ; ebp=expression, dh=flags |
||
2306 | movzx eax, dh |
||
2307 | shr eax, 2 |
||
2308 | test ebp, eax |
||
2309 | jz @f |
||
2310 | mov esi, aUnaligned |
||
2311 | jmp put_message |
||
2312 | @@: |
||
2313 | mov eax, ebp |
||
2314 | mov bl, 0Bh |
||
2315 | call add_breakpoint |
||
2316 | jnc @f |
||
2317 | mov esi, aBreakpointLimitExceeded |
||
2318 | jmp put_message |
||
2319 | @@: |
||
2320 | ; now find index |
||
2321 | push eax |
||
2322 | xor ecx, ecx |
||
2323 | .l1: |
||
2324 | cmp [drx_break+ecx*4], 0 |
||
2325 | jnz .l2 |
||
2326 | push 69 |
||
2327 | pop eax |
||
2328 | push ecx |
||
2329 | mov dl, cl |
||
2330 | mov ecx, [debuggee_pid] |
||
2331 | mov esi, ebp |
||
2332 | push 9 |
||
2333 | pop ebx |
||
2334 | int 40h |
||
2335 | test eax, eax |
||
2336 | jz .ok |
||
2337 | pop ecx |
||
2338 | .l2: |
||
2339 | inc ecx |
||
2340 | cmp ecx, 4 |
||
2341 | jb .l1 |
||
2342 | pop eax |
||
2343 | call clear_breakpoint |
||
2344 | mov esi, aBreakpointLimitExceeded |
||
2345 | jmp put_message |
||
2346 | .ok: |
||
2347 | pop ecx |
||
2348 | pop eax |
||
2349 | and byte [edi], not 2 ; breakpoint is enabled |
||
2350 | shl dl, 6 |
||
2351 | or dl, dh |
||
2352 | mov byte [edi+1], dl |
||
2353 | inc eax |
||
2354 | mov [drx_break+ecx*4], eax |
||
2355 | ret |
||
2356 | |||
2357 | OnBc: |
||
2358 | mov esi, [curarg] |
||
2359 | @@: call get_hex_number |
||
2360 | jc OnBp.ret |
||
2361 | call clear_breakpoint |
||
2362 | jmp @b |
||
2363 | |||
2364 | OnBd: |
||
2365 | mov esi, [curarg] |
||
2366 | @@: call get_hex_number |
||
2367 | jc OnBp.ret |
||
2368 | call disable_breakpoint |
||
2369 | jmp @b |
||
2370 | |||
2371 | OnBe: |
||
2372 | mov esi, [curarg] |
||
2373 | @@: call get_hex_number |
||
2374 | jc OnBp.ret |
||
2375 | push eax |
||
2376 | call find_enabled_breakpoint |
||
2377 | pop eax |
||
2378 | jz .err |
||
2379 | call enable_breakpoint |
||
2380 | jmp @b |
||
2381 | .err: |
||
2382 | mov esi, OnBeErrMsg |
||
2383 | jmp put_message |
||
2384 | |||
2385 | get_hex_number: |
||
2386 | call skip_spaces |
||
2387 | xor ecx, ecx |
||
2388 | xor edx, edx |
||
2389 | @@: |
||
2390 | lodsb |
||
2391 | call is_hex_digit |
||
2392 | jc .ret |
||
2393 | shl edx, 4 |
||
2394 | or dl, al |
||
2395 | inc ecx |
||
2396 | jmp @b |
||
2397 | .ret: |
||
2398 | dec esi |
||
2399 | cmp ecx, 1 |
||
2400 | xchg eax, edx |
||
2401 | ret |
||
2402 | |||
2403 | OnBl: |
||
2404 | mov esi, [curarg] |
||
2405 | cmp byte [esi], 0 |
||
2406 | jz .listall |
||
2407 | call get_hex_number |
||
2408 | jc .ret |
||
2409 | cmp eax, breakpoints_n |
||
2410 | jae .err |
||
2411 | push eax |
||
2412 | add eax, eax |
||
2413 | lea edi, [breakpoints + eax + eax*2] |
||
2414 | pop eax |
||
2415 | test byte [edi+4], 1 |
||
2416 | jz .err |
||
2417 | call show_break_info |
||
2418 | .ret: |
||
2419 | ret |
||
2420 | .err: |
||
2421 | mov esi, aInvalidBreak |
||
2422 | jmp put_message |
||
2423 | .listall: |
||
2424 | mov edi, breakpoints |
||
2425 | xor eax, eax |
||
2426 | @@: |
||
2427 | test byte [edi+4], 1 |
||
2428 | jz .cont |
||
2429 | push edi eax |
||
2430 | call show_break_info |
||
2431 | pop eax edi |
||
2432 | .cont: |
||
2433 | add edi, 6 |
||
2434 | inc eax |
||
2435 | cmp eax, breakpoints_n |
||
2436 | jb @b |
||
2437 | ret |
||
2438 | |||
2439 | show_break_info: |
||
2440 | push edi |
||
2441 | test byte [edi+4], 8 |
||
2442 | jnz .dr |
||
2443 | push dword [edi] |
||
2444 | push eax |
||
2445 | mov esi, aBreakNum |
||
2446 | call put_message_nodraw |
||
2447 | jmp .cmn |
||
2448 | .dr: |
||
2449 | push eax |
||
2450 | mov esi, aMemBreak1 |
||
2451 | call put_message_nodraw |
||
2452 | pop edi |
||
2453 | push edi |
||
2454 | mov esi, aMemBreak2 |
||
2455 | test byte [edi+5], 2 |
||
2456 | jz @f |
||
2457 | mov esi, aMemBreak3 |
||
2458 | @@: |
||
2459 | call put_message_nodraw |
||
2460 | pop edi |
||
2461 | push edi |
||
2462 | mov esi, aMemBreak6 |
||
2463 | test byte [edi+5], 8 |
||
2464 | jnz @f |
||
2465 | mov esi, aMemBreak5 |
||
2466 | test byte [edi+5], 4 |
||
2467 | jnz @f |
||
2468 | mov esi, aMemBreak4 |
||
2469 | @@: |
||
2470 | call put_message_nodraw |
||
2471 | pop edi |
||
2472 | push edi |
||
2473 | push dword [edi] |
||
2474 | mov esi, aMemBreak7 |
||
2475 | call put_message_nodraw |
||
2476 | .cmn: |
||
2477 | pop edi |
||
2478 | test byte [edi+4], 2 |
||
2479 | jz @f |
||
2480 | push edi |
||
2481 | mov esi, aDisabled |
||
2482 | call put_message_nodraw |
||
2483 | pop edi |
||
2484 | @@: |
||
2485 | test byte [edi+4], 4 |
||
2486 | jz @f |
||
2487 | mov esi, aOneShot |
||
2488 | call put_message_nodraw |
||
2489 | @@: |
||
2490 | mov esi, newline |
||
2491 | jmp put_message |
||
2492 | |||
2493 | add_breakpoint: |
||
2494 | ; in: eax=address, bl=flags |
||
2495 | ; out: CF=1 => error, CF=0 => eax=breakpoint number |
||
2496 | xor ecx, ecx |
||
2497 | mov edi, breakpoints |
||
2498 | @@: |
||
2499 | test byte [edi+4], 1 |
||
2500 | jz .found |
||
2501 | add edi, 6 |
||
2502 | inc ecx |
||
2503 | cmp ecx, breakpoints_n |
||
2504 | jb @b |
||
2505 | stc |
||
2506 | ret |
||
2507 | .found: |
||
2508 | stosd |
||
2509 | xchg eax, ecx |
||
2510 | mov [edi], bl |
||
2511 | test bl, 2 |
||
2512 | jnz @f |
||
2513 | or byte [edi], 2 |
||
2514 | push eax |
||
2515 | call enable_breakpoint |
||
2516 | pop eax |
||
2517 | @@: |
||
2518 | clc |
||
2519 | ret |
||
2520 | |||
2521 | clear_breakpoint: |
||
2522 | cmp eax, breakpoints_n |
||
2523 | jae .ret |
||
2524 | mov ecx, 4 |
||
2525 | inc eax |
||
2526 | .1: |
||
2527 | cmp [drx_break-4+ecx*4], eax |
||
2528 | jnz @f |
||
2529 | and [drx_break-4+ecx*4], 0 |
||
2530 | @@: loop .1 |
||
2531 | dec eax |
||
2532 | push eax |
||
2533 | add eax, eax |
||
2534 | lea edi, [breakpoints + eax + eax*2 + 4] |
||
2535 | test byte [edi], 1 |
||
2536 | pop eax |
||
2537 | jz .ret |
||
2538 | push edi |
||
2539 | call disable_breakpoint |
||
2540 | pop edi |
||
2541 | mov byte [edi], 0 |
||
2542 | .ret: |
||
2543 | ret |
||
2544 | |||
2545 | disable_breakpoint: |
||
2546 | cmp eax, breakpoints_n |
||
2547 | jae .ret |
||
2548 | add eax, eax |
||
2549 | lea edi, [breakpoints + eax + eax*2 + 5] |
||
2550 | test byte [edi-1], 1 |
||
2551 | jz .ret |
||
2552 | test byte [edi-1], 2 |
||
2553 | jnz .ret |
||
2554 | or byte [edi-1], 2 |
||
2555 | test byte [edi-1], 8 |
||
2556 | jnz .dr |
||
2557 | push esi |
||
2558 | push 7 |
||
2559 | pop ebx |
||
2560 | push 69 |
||
2561 | pop eax |
||
2562 | mov ecx, [debuggee_pid] |
||
2563 | xor edx, edx |
||
2564 | inc edx |
||
2565 | mov esi, [edi-5] |
||
2566 | int 40h |
||
2567 | pop esi |
||
2568 | .ret: |
||
2569 | ret |
||
2570 | .dr: |
||
2571 | mov dl, [edi] |
||
2572 | shr dl, 6 |
||
2573 | mov dh, 80h |
||
2574 | push 69 |
||
2575 | pop eax |
||
2576 | push 9 |
||
2577 | pop ebx |
||
2578 | mov ecx, [debuggee_pid] |
||
2579 | int 40h |
||
2580 | ret |
||
2581 | |||
2582 | enable_breakpoint: |
||
2583 | push esi |
||
2584 | cmp eax, breakpoints_n |
||
2585 | jae .ret |
||
2586 | add eax, eax |
||
2587 | lea edi, [breakpoints + eax + eax*2 + 5] |
||
2588 | test byte [edi-1], 1 |
||
2589 | jz .ret |
||
2590 | test byte [edi-1], 2 |
||
2591 | jz .ret |
||
2592 | and byte [edi-1], not 2 |
||
2593 | test byte [edi-1], 8 |
||
2594 | jnz .dr |
||
2595 | push 6 |
||
2596 | pop ebx |
||
2597 | push 69 |
||
2598 | pop eax |
||
2599 | mov esi, [edi-5] |
||
2600 | mov ecx, [debuggee_pid] |
||
2601 | xor edx, edx |
||
2602 | inc edx |
||
2603 | int 40h |
||
2604 | dec eax |
||
2605 | jnz .err |
||
2606 | mov al, 69 |
||
2607 | push 0xCC |
||
2608 | mov edi, esp |
||
2609 | inc ebx |
||
2610 | int 40h |
||
2611 | pop eax |
||
2612 | .ret: |
||
2613 | pop esi |
||
2614 | ret |
||
2615 | .err: |
||
2616 | or byte [edi-1], 2 |
||
2617 | mov esi, aBreakErr |
||
2618 | call put_message |
||
2619 | pop esi |
||
2620 | ret |
||
2621 | .dr: |
||
2622 | push 9 |
||
2623 | pop ebx |
||
2624 | push 69 |
||
2625 | pop eax |
||
2626 | mov esi, [edi-5] |
||
2627 | mov ecx, [debuggee_pid] |
||
2628 | mov dl, [edi] |
||
2629 | shr dl, 6 |
||
2630 | mov dh, [edi] |
||
2631 | and dh, 0xF |
||
2632 | int 40h |
||
2633 | test eax, eax |
||
2634 | jnz .err |
||
2635 | pop esi |
||
2636 | ret |
||
2637 | |||
2638 | find_breakpoint: |
||
2639 | xor ecx, ecx |
||
2640 | xchg eax, ecx |
||
2641 | mov edi, breakpoints |
||
2642 | @@: |
||
2643 | test byte [edi+4], 1 |
||
2644 | jz .cont |
||
2645 | test byte [edi+4], 8 |
||
2646 | jnz .cont |
||
2647 | cmp [edi], ecx |
||
2648 | jz .found |
||
2649 | .cont: |
||
2650 | add edi, 6 |
||
2651 | inc eax |
||
2652 | cmp eax, breakpoints_n |
||
2653 | jb @b |
||
2654 | or eax, -1 |
||
2655 | .found: |
||
2656 | ret |
||
2657 | |||
2658 | find_enabled_breakpoint: |
||
2659 | xor ecx, ecx |
||
2660 | xchg eax, ecx |
||
2661 | mov edi, breakpoints |
||
2662 | @@: |
||
2663 | test byte [edi+4], 1 |
||
2664 | jz .cont |
||
2665 | test byte [edi+4], 2 or 8 |
||
2666 | jnz .cont |
||
2667 | cmp [edi], ecx |
||
2668 | jz .found |
||
2669 | .cont: |
||
2670 | add edi, 6 |
||
2671 | inc eax |
||
2672 | cmp eax, breakpoints_n |
||
2673 | jb @b |
||
2674 | or eax, -1 |
||
2675 | .found: |
||
2676 | ret |
||
2677 | |||
2678 | OnUnpack: |
||
2679 | ; program must be loaded - checked when command was parsed |
||
2680 | ; program must be stopped |
||
2681 | mov esi, aRunningErr |
||
2682 | cmp [bSuspended], 0 |
||
2683 | jz put_message |
||
2684 | ; all breakpoints must be disabled |
||
2685 | mov edi, breakpoints |
||
2686 | @@: |
||
2687 | test byte [edi+4], 1 |
||
2688 | jz .cont |
||
2689 | test byte [edi+4], 2 |
||
2690 | jnz .cont |
||
2691 | mov esi, aEnabledBreakErr |
||
2692 | jmp put_message |
||
2693 | .cont: |
||
2694 | add edi, 6 |
||
2695 | cmp edi, breakpoints+breakpoints_n*6 |
||
2696 | jb @b |
||
2697 | ; ok, now do it |
||
2698 | ; set breakpoint on 0xC dword access |
||
2699 | push 9 |
||
2700 | pop ebx |
||
2701 | mov ecx, [debuggee_pid] |
||
2702 | mov dx, 1111b*256 |
||
2703 | push 0xC |
||
2704 | pop esi |
||
2705 | @@: |
||
2706 | push 69 |
||
2707 | pop eax |
||
2708 | int 40h |
||
2709 | test eax, eax |
||
2710 | jz .breakok |
||
2711 | inc edx |
||
2712 | cmp dl, 4 |
||
2713 | jb @b |
||
2714 | .breakok: |
||
2715 | call GoOn |
||
2716 | ; now wait for event |
||
2717 | .wait: |
||
2718 | push 10 |
||
2719 | pop eax |
||
2720 | int 40h |
||
2721 | dec eax |
||
2722 | jz .redraw |
||
2723 | dec eax |
||
2724 | jz .key |
||
2725 | dec eax |
||
2726 | jnz .debug |
||
2727 | ; button; we have only one button, close |
||
2728 | or eax, -1 |
||
2729 | int 40h |
||
2730 | .redraw: |
||
2731 | call draw_window |
||
2732 | jmp .wait |
||
2733 | .key: |
||
2734 | mov al, 2 |
||
2735 | int 40h |
||
2736 | cmp ah, 3 ; Ctrl+C |
||
2737 | jnz .wait |
||
2738 | .userbreak: |
||
2739 | mov esi, aInterrupted |
||
2740 | .x1: |
||
2741 | push edx esi |
||
2742 | call put_message |
||
2743 | pop esi edx |
||
2744 | or dh, 80h |
||
2745 | push 69 |
||
2746 | pop eax |
||
2747 | push 9 |
||
2748 | pop ebx |
||
2749 | mov ecx, [debuggee_pid] |
||
2750 | int 40h |
||
2751 | cmp esi, aUnpacked |
||
2752 | jnz OnSuspend |
||
2753 | jmp AfterSuspend |
||
2754 | .debug: |
||
2755 | cmp [dbgbuflen], 4*3 |
||
2756 | jnz .notour |
||
2757 | cmp dword [dbgbuf], 3 |
||
2758 | jnz .notour |
||
2759 | test byte [dbgbuf+8], 1 |
||
2760 | jnz .our |
||
2761 | .notour: |
||
2762 | mov esi, aInterrupted |
||
2763 | push edx |
||
2764 | call put_message |
||
2765 | pop edx |
||
2766 | or dh, 80h |
||
2767 | push 69 |
||
2768 | pop eax |
||
2769 | push 9 |
||
2770 | pop ebx |
||
2771 | mov ecx, [debuggee_pid] |
||
2772 | int 40h |
||
2773 | jmp debugmsg |
||
2774 | .our: |
||
2775 | and [dbgbuflen], 0 |
||
2776 | push edx |
||
2777 | call get_context |
||
2778 | push eax |
||
2779 | mov al, 69 |
||
2780 | mov bl, 6 |
||
2781 | mov ecx, [debuggee_pid] |
||
2782 | mov edi, esp |
||
2783 | push 4 |
||
2784 | pop edx |
||
2785 | push 0xC |
||
2786 | pop esi |
||
2787 | int 40h |
||
2788 | pop eax |
||
2789 | pop edx |
||
2790 | cmp eax, [_eip] |
||
2791 | jz .done |
||
2792 | call DoResume |
||
2793 | jmp .wait |
||
2794 | .done: |
||
2795 | mov esi, aUnpacked |
||
2796 | jmp .x1 |
||
2797 | |||
2798 | disasm_get_byte: |
||
2799 | ; out: al=byte |
||
2800 | push ecx |
||
2801 | mov ecx, [disasm_cur_pos] |
||
2802 | sub ecx, [disasm_start_pos] |
||
2803 | cmp ecx, [disasm_buf_size] |
||
2804 | jae disasm_err |
||
2805 | mov al, [disasm_buffer+ecx] |
||
2806 | pop ecx |
||
2807 | inc [disasm_cur_pos] |
||
2808 | ret |
||
2809 | disasm_get_word: |
||
2810 | push ecx |
||
2811 | mov ecx, [disasm_cur_pos] |
||
2812 | sub ecx, [disasm_start_pos] |
||
2813 | inc ecx |
||
2814 | cmp ecx, [disasm_buf_size] |
||
2815 | jae disasm_err |
||
2816 | mov ax, word [disasm_buffer-1+ecx] |
||
2817 | pop ecx |
||
2818 | add [disasm_cur_pos], 2 |
||
2819 | ret |
||
2820 | disasm_get_dword: |
||
2821 | push ecx |
||
2822 | mov ecx, [disasm_cur_pos] |
||
2823 | sub ecx, [disasm_start_pos] |
||
2824 | add ecx, 3 |
||
2825 | cmp ecx, [disasm_buf_size] |
||
2826 | jae disasm_err |
||
2827 | mov eax, dword [disasm_buffer-3+ecx] |
||
2828 | pop ecx |
||
2829 | add [disasm_cur_pos], 4 |
||
2830 | ret |
||
2831 | |||
2832 | disasm_err: |
||
2833 | mov esp, ebp |
||
2834 | stc_ret: |
||
2835 | stc |
||
2836 | ret |
||
2837 | disasm_ret: |
||
2838 | mov esp, ebp |
||
2839 | and byte [edi], 0 |
||
2840 | ret |
||
2841 | |||
2842 | disasm_instr: |
||
2843 | mov ebp, esp |
||
2844 | cmp [debuggee_pid], 0 |
||
2845 | jz stc_ret |
||
2846 | mov edi, disasm_string |
||
2847 | xor ecx, ecx |
||
2848 | ; ecx=flags |
||
2849 | disasm_loop1: |
||
2850 | xor eax, eax |
||
2851 | call disasm_get_byte |
||
2852 | jmp dword [disasm_table_1 + eax*4] |
||
2853 | |||
2854 | cop0: |
||
2855 | clock: |
||
2856 | crepnz: |
||
2857 | crep: |
||
2858 | csegcs: |
||
2859 | csegds: |
||
2860 | cseges: |
||
2861 | csegss: |
||
2862 | csegfs: |
||
2863 | cseggs: |
||
2864 | call @f |
||
2865 | db 0x2E,3,'cs:' |
||
2866 | db 0x36,3,'ss:' |
||
2867 | db 0x3E,3,'ds:' |
||
2868 | db 0x26,3,'es:' |
||
2869 | db 0x64,3,'fs:' |
||
2870 | db 0x65,3,'gs:' |
||
2871 | db 0x06,10,'push es' |
||
2872 | db 0x07,10,'pop es' |
||
2873 | db 0x0E,10,'push cs' |
||
2874 | db 0x16,10,'push ss' |
||
2875 | db 0x17,10,'pop ss' |
||
2876 | db 0x1E,10,'push ds' |
||
2877 | db 0x1F,10,'pop ds' |
||
2878 | db 0x27,3,'daa' |
||
2879 | db 0x2F,3,'das' |
||
2880 | db 0x37,3,'aaa' |
||
2881 | db 0x3F,3,'aas' |
||
2882 | db 0x60,6,0,'pusha' |
||
2883 | db 0x61,5,0,'popa' |
||
2884 | db 0x90,3,'nop' |
||
2885 | db 0x9B,5,'fwait' |
||
2886 | db 0x9C,6,0,'pushf' |
||
2887 | db 0x9D,5,0,'popf' |
||
2888 | db 0x9E,4,'sahf' |
||
2889 | db 0x9F,4,'lahf' |
||
2890 | db 0xA4,5,'movsb' |
||
2891 | db 0xA5,5,0,'movs' |
||
2892 | db 0xA6,5,'cmpsb' |
||
2893 | db 0xA7,5,0,'cmps' |
||
2894 | db 0xAA,5,'stosb' |
||
2895 | db 0xAB,5,0,'stos' |
||
2896 | db 0xAC,5,'lodsb' |
||
2897 | db 0xAD,5,0,'lods' |
||
2898 | db 0xAE,5,'scasb' |
||
2899 | db 0xAF,5,0,'scas' |
||
2900 | db 0xC3,3,'ret' |
||
2901 | db 0xC9,5,'leave' |
||
2902 | db 0xCC,4,'int3' |
||
2903 | db 0xF0,4,'lock' |
||
2904 | db 0xF2,5,'repnz' |
||
2905 | db 0xF3,6,'rep(z)' |
||
2906 | db 0xF5,3,'cmc' |
||
2907 | db 0xF8,3,'clc' |
||
2908 | db 0xF9,3,'stc' |
||
2909 | db 0xFA,3,'cli' |
||
2910 | db 0xFB,3,'sti' |
||
2911 | db 0xFC,3,'cld' |
||
2912 | db 0xFD,3,'std' |
||
2913 | @@: |
||
2914 | pop esi |
||
2915 | @@: |
||
2916 | cmp al, [esi] |
||
2917 | jz .found |
||
2918 | inc esi |
||
2919 | movzx edx, byte [esi] |
||
2920 | inc esi |
||
2921 | add esi, edx |
||
2922 | jmp @b |
||
2923 | .found: |
||
2924 | inc esi |
||
2925 | lodsb |
||
2926 | cmp byte [esi], 0 |
||
2927 | jz @f |
||
2928 | movzx ecx, al |
||
2929 | disasm_1: |
||
2930 | rep movsb |
||
2931 | and byte [edi], 0 |
||
2932 | ret |
||
2933 | @@: |
||
2934 | mov dl, ch |
||
2935 | movzx ecx, al |
||
2936 | dec ecx |
||
2937 | inc esi |
||
2938 | rep movsb |
||
2939 | test dl, 1 |
||
2940 | mov al, 'w' |
||
2941 | jnz @f |
||
2942 | mov al, 'd' |
||
2943 | @@: stosb |
||
2944 | and byte [edi], 0 |
||
2945 | ret |
||
2946 | |||
2947 | c67: |
||
2948 | or ch, 2 |
||
2949 | jmp disasm_loop1 |
||
2950 | c66: |
||
2951 | or ch, 1 |
||
2952 | jmp disasm_loop1 |
||
2953 | |||
2954 | center: |
||
2955 | caam: |
||
2956 | cxlat: |
||
2957 | crdtsc: |
||
2958 | csysenter: |
||
2959 | ccpuid: |
||
2960 | ccmpxchg: |
||
2961 | cbsf: |
||
2962 | cbsr: |
||
2963 | ccmpxchg8b: |
||
2964 | cunk: |
||
2965 | cerr: |
||
2966 | mov eax, '???' |
||
2967 | stosd |
||
2968 | clc |
||
2969 | ret |
||
2970 | |||
2971 | cF: |
||
2972 | call disasm_get_byte |
||
2973 | jmp dword [disasm_table_2 + eax*4] |
||
2974 | |||
2975 | macro disasm_set_modew |
||
2976 | { |
||
2977 | test al, 1 |
||
2978 | jz @f |
||
2979 | or ch, 80h |
||
2980 | @@: |
||
2981 | } |
||
2982 | |||
2983 | cmov2: |
||
2984 | disasm_set_modew |
||
2985 | ; mov r/m,i |
||
2986 | call disasm_get_byte |
||
2987 | dec [disasm_cur_pos] |
||
2988 | test al, 00111000b |
||
2989 | jnz cunk |
||
2990 | mov eax, 'mov ' |
||
2991 | stosd |
||
2992 | mov eax, ' ' |
||
2993 | stosd |
||
2994 | call disasm_readrmop |
||
2995 | mov ax, ', ' |
||
2996 | stosw |
||
2997 | xor eax, eax |
||
2998 | test ch, 80h |
||
2999 | jnz .1 |
||
3000 | call disasm_get_byte |
||
3001 | jmp .3 |
||
3002 | .1: |
||
3003 | test ch, 1 |
||
3004 | jnz .2 |
||
3005 | call disasm_get_dword |
||
3006 | jmp .3 |
||
3007 | .2: |
||
3008 | call disasm_get_word |
||
3009 | .3: |
||
3010 | call disasm_write_num |
||
3011 | and byte [edi], 0 |
||
3012 | ret |
||
3013 | |||
3014 | cret2: |
||
3015 | mov eax, 'ret ' |
||
3016 | stosd |
||
3017 | mov eax, ' ' |
||
3018 | stosd |
||
3019 | xor eax, eax |
||
3020 | jmp cmov2.2 |
||
3021 | |||
3022 | disasm_write_num: |
||
3023 | push ecx eax |
||
3024 | inc edi |
||
3025 | @@: |
||
3026 | mov ecx, eax |
||
3027 | shr eax, 4 |
||
3028 | jz @f |
||
3029 | inc edi |
||
3030 | jmp @b |
||
3031 | @@: |
||
3032 | pop eax |
||
3033 | cmp ecx, 10 |
||
3034 | jb @f |
||
3035 | inc edi |
||
3036 | @@: |
||
3037 | push edi eax |
||
3038 | @@: |
||
3039 | mov ecx, eax |
||
3040 | and al, 0xF |
||
3041 | cmp al, 10 |
||
3042 | sbb al, 69h |
||
3043 | das |
||
3044 | dec edi |
||
3045 | mov [edi], al |
||
3046 | mov eax, ecx |
||
3047 | shr eax, 4 |
||
3048 | jnz @b |
||
3049 | cmp ecx, 10 |
||
3050 | jb @f |
||
3051 | mov byte [edi-1], '0' |
||
3052 | @@: |
||
3053 | pop eax edi ecx |
||
3054 | cmp eax, 10 |
||
3055 | jb @f |
||
3056 | mov byte [edi], 'h' |
||
3057 | inc edi |
||
3058 | @@: |
||
3059 | ret |
||
3060 | |||
3061 | label disasm_regs32 dword |
||
3062 | label disasm_regs dword |
||
3063 | db 'eax',0 |
||
3064 | db 'ecx',0 |
||
3065 | db 'edx',0 |
||
3066 | db 'ebx',0 |
||
3067 | db 'esp',0 |
||
3068 | db 'ebp',0 |
||
3069 | db 'esi',0 |
||
3070 | db 'edi',0 |
||
3071 | disasm_regs16 dw 'ax','cx','dx','bx','sp','bp','si','di' |
||
3072 | disasm_regs8 dw 'al','cl','dl','bl','ah','ch','dh','bh' |
||
3073 | disasm_scale db '1248' |
||
3074 | disasm_readrmop: |
||
3075 | call disasm_get_byte |
||
3076 | test ch, 40h |
||
3077 | jnz .skip_size |
||
3078 | push eax |
||
3079 | and al, 0xC0 |
||
3080 | cmp al, 0xC0 |
||
3081 | pop eax |
||
3082 | jz .skip_size |
||
3083 | test ch, 80h |
||
3084 | jz .byte |
||
3085 | test ch, 1 |
||
3086 | jnz .word |
||
3087 | mov dword [edi], 'dwor' |
||
3088 | mov byte [edi+4], 'd' |
||
3089 | inc edi |
||
3090 | jmp @f |
||
3091 | .byte: |
||
3092 | test ch, 20h |
||
3093 | jz .qb |
||
3094 | mov byte [edi], 't' |
||
3095 | inc edi |
||
3096 | .qb: |
||
3097 | mov dword [edi], 'byte' |
||
3098 | jmp @f |
||
3099 | .word: |
||
3100 | test ch, 20h |
||
3101 | jz .qw |
||
3102 | mov byte [edi], 'q' |
||
3103 | inc edi |
||
3104 | .qw: |
||
3105 | mov dword [edi], 'word' |
||
3106 | @@: |
||
3107 | mov byte [edi+4], ' ' |
||
3108 | add edi, 5 |
||
3109 | .skip_size: |
||
3110 | test ch, 2 |
||
3111 | jnz disasm_readrmop16 |
||
3112 | push ecx |
||
3113 | movzx ecx, al |
||
3114 | and eax, 7 |
||
3115 | shr ecx, 6 |
||
3116 | jz .vmod0 |
||
3117 | jp .vmod3 |
||
3118 | mov byte [edi], '[' |
||
3119 | inc edi |
||
3120 | cmp al, 4 |
||
3121 | jz .sib1 |
||
3122 | mov eax, [disasm_regs+eax*4] |
||
3123 | stosd |
||
3124 | dec edi |
||
3125 | jmp @f |
||
3126 | .sib1: |
||
3127 | call .parse_sib |
||
3128 | @@: |
||
3129 | mov al, '+' |
||
3130 | stosb |
||
3131 | dec ecx |
||
3132 | jz .vmod1 |
||
3133 | call disasm_get_dword |
||
3134 | jmp @f |
||
3135 | .vmod1: |
||
3136 | call disasm_get_byte |
||
3137 | movsx eax, al |
||
3138 | @@: |
||
3139 | test eax, eax |
||
3140 | jns .2 |
||
3141 | neg eax |
||
3142 | mov byte [edi-1], '-' |
||
3143 | .2: |
||
3144 | call disasm_write_num |
||
3145 | mov al, ']' |
||
3146 | stosb |
||
3147 | pop ecx |
||
3148 | ret |
||
3149 | .vmod3: |
||
3150 | pop ecx |
||
3151 | test ch, 80h |
||
3152 | jz .vmod3_byte |
||
3153 | test ch, 1 |
||
3154 | jnz .vmod3_word |
||
3155 | test ch, 20h |
||
3156 | jnz .vmod3_sti |
||
3157 | mov eax, [disasm_regs32+eax*4] |
||
3158 | stosd |
||
3159 | dec edi |
||
3160 | ret |
||
3161 | .vmod3_byte: |
||
3162 | mov ax, [disasm_regs8+eax*2] |
||
3163 | @@: |
||
3164 | stosw |
||
3165 | ret |
||
3166 | .vmod3_word: |
||
3167 | mov ax, [disasm_regs16+eax*2] |
||
3168 | jmp @b |
||
3169 | .vmod3_sti: |
||
3170 | mov word [edi], 'st' |
||
3171 | add al, '0' |
||
3172 | mov byte [edi+2], al |
||
3173 | add edi, 3 |
||
3174 | ret |
||
3175 | .vmod0: |
||
3176 | mov byte [edi], '[' |
||
3177 | inc edi |
||
3178 | cmp al, 4 |
||
3179 | jz .sib2 |
||
3180 | cmp al, 5 |
||
3181 | jz .ofs32 |
||
3182 | mov eax, [disasm_regs+eax*4] |
||
3183 | stosd |
||
3184 | mov byte [edi-1], ']' |
||
3185 | pop ecx |
||
3186 | ret |
||
3187 | .ofs32: |
||
3188 | call disasm_get_dword |
||
3189 | jmp .2 |
||
3190 | .sib2: |
||
3191 | call .parse_sib |
||
3192 | mov al, ']' |
||
3193 | stosb |
||
3194 | pop ecx |
||
3195 | ret |
||
3196 | .parse_sib: |
||
3197 | call disasm_get_byte |
||
3198 | push edx |
||
3199 | mov dl, al |
||
3200 | mov dh, 0 |
||
3201 | and eax, 7 |
||
3202 | cmp al, 5 |
||
3203 | jnz @f |
||
3204 | jecxz .sib0 |
||
3205 | @@: |
||
3206 | mov eax, [disasm_regs+eax*4] |
||
3207 | stosd |
||
3208 | dec edi |
||
3209 | mov dh, 1 |
||
3210 | .sib0: |
||
3211 | mov al, dl |
||
3212 | shr eax, 3 |
||
3213 | and eax, 7 |
||
3214 | cmp al, 4 |
||
3215 | jz .sibret |
||
3216 | test dh, dh |
||
3217 | jz @f |
||
3218 | mov byte [edi], '+' |
||
3219 | inc edi |
||
3220 | @@: |
||
3221 | mov eax, [disasm_regs+eax*4] |
||
3222 | stosd |
||
3223 | dec edi |
||
3224 | shr dl, 6 |
||
3225 | jz @f |
||
3226 | mov al, '*' |
||
3227 | stosb |
||
3228 | movzx eax, dl |
||
3229 | mov al, [disasm_scale+eax] |
||
3230 | stosb |
||
3231 | @@: |
||
3232 | .sibret: |
||
3233 | test dh, dh |
||
3234 | jnz .sibret2 |
||
3235 | call disasm_get_dword |
||
3236 | cmp byte [edi-1], '[' |
||
3237 | jz @f |
||
3238 | mov byte [edi], '+' |
||
3239 | test eax, eax |
||
3240 | jns .sibns |
||
3241 | neg eax |
||
3242 | mov byte [edi], '-' |
||
3243 | .sibns: |
||
3244 | inc edi |
||
3245 | @@: |
||
3246 | call disasm_write_num |
||
3247 | .sibret2: |
||
3248 | pop edx |
||
3249 | ret |
||
3250 | |||
3251 | disasm_rm16_1 dd 'bxsi','bxdi','bpsi','bpdi' |
||
3252 | disasm_rm16_2 dw 'si','di','bp','bx' |
||
3253 | disasm_readrmop16: |
||
3254 | push ecx |
||
3255 | movzx ecx, al |
||
3256 | and eax, 7 |
||
3257 | shr ecx, 6 |
||
3258 | jz .vmod0 |
||
3259 | jp disasm_readrmop.vmod3 ; mod=3 is the same in 16- and 32-bit code |
||
3260 | ; 1 or 2 |
||
3261 | mov byte [edi], '[' |
||
3262 | inc edi |
||
3263 | cmp al, 4 |
||
3264 | jae @f |
||
3265 | mov eax, [disasm_rm16_1+eax*4] |
||
3266 | stosw |
||
3267 | mov al, '+' |
||
3268 | stosb |
||
3269 | shr eax, 16 |
||
3270 | jmp .1 |
||
3271 | @@: |
||
3272 | mov eax, dword [disasm_rm16_2+eax*2-4*2] |
||
3273 | .1: |
||
3274 | stosw |
||
3275 | mov al, '+' |
||
3276 | stosb |
||
3277 | xor eax, eax |
||
3278 | dec ecx |
||
3279 | jnz .2 |
||
3280 | call disasm_get_byte |
||
3281 | cbw |
||
3282 | jmp @f |
||
3283 | .2: |
||
3284 | call disasm_get_word |
||
3285 | @@: |
||
3286 | test ax, ax |
||
3287 | jns @f |
||
3288 | mov byte [edi-1], '-' |
||
3289 | neg ax |
||
3290 | @@: |
||
3291 | call disasm_write_num |
||
3292 | .done1: |
||
3293 | mov al, ']' |
||
3294 | stosb |
||
3295 | pop ecx |
||
3296 | ret |
||
3297 | .vmod0: |
||
3298 | mov byte [edi], '[' |
||
3299 | inc edi |
||
3300 | cmp al, 6 |
||
3301 | jz .ofs16 |
||
3302 | cmp al, 4 |
||
3303 | jae @f |
||
3304 | mov eax, [disasm_rm16_1+eax*4] |
||
3305 | stosw |
||
3306 | mov al, '+' |
||
3307 | stosb |
||
3308 | shr eax, 16 |
||
3309 | jmp .3 |
||
3310 | @@: |
||
3311 | mov eax, dword [disasm_rm16_2+eax*2-4*2] |
||
3312 | .3: |
||
3313 | stosw |
||
3314 | jmp .done1 |
||
3315 | .ofs16: |
||
3316 | xor eax, eax |
||
3317 | call disasm_get_word |
||
3318 | call disasm_write_num |
||
3319 | jmp .done1 |
||
3320 | |||
3321 | cpush21: |
||
3322 | mov eax, 'push' |
||
3323 | stosd |
||
3324 | mov eax, ' ' |
||
3325 | stosd |
||
3326 | disasm_i32: |
||
3327 | call disasm_get_dword |
||
3328 | call disasm_write_num |
||
3329 | and byte [edi], 0 |
||
3330 | ret |
||
3331 | |||
3332 | cpush22: |
||
3333 | mov eax, 'push' |
||
3334 | stosd |
||
3335 | mov eax, ' ' |
||
3336 | stosd |
||
3337 | call disasm_get_byte |
||
3338 | movsx eax, al |
||
3339 | call disasm_write_num |
||
3340 | and byte [edi], 0 |
||
3341 | ret |
||
3342 | |||
3343 | cinc1: |
||
3344 | ; inc reg32 |
||
3345 | cdec1: |
||
3346 | ; dec reg32 |
||
3347 | cpush1: |
||
3348 | ; push reg32 |
||
3349 | cpop1: |
||
3350 | ; pop reg32 |
||
3351 | cbswap: |
||
3352 | ; bswap reg32 |
||
3353 | mov edx, eax |
||
3354 | and edx, 7 |
||
3355 | shr eax, 3 |
||
3356 | sub al, 8 |
||
3357 | mov esi, 'inc ' |
||
3358 | jz @f |
||
3359 | mov esi, 'dec ' |
||
3360 | dec al |
||
3361 | jz @f |
||
3362 | mov esi, 'push' |
||
3363 | dec al |
||
3364 | jz @f |
||
3365 | mov esi, 'pop ' |
||
3366 | dec al |
||
3367 | jz @f |
||
3368 | mov esi, 'bswa' |
||
3369 | @@: |
||
3370 | xchg eax, esi |
||
3371 | stosd |
||
3372 | mov eax, ' ' |
||
3373 | jz @f |
||
3374 | mov al, 'p' |
||
3375 | @@: |
||
3376 | stosd |
||
3377 | xchg eax, edx |
||
3378 | call disasm_write_reg1632 |
||
3379 | and byte [edi], 0 |
||
3380 | ret |
||
3381 | |||
3382 | cxchg1: |
||
3383 | ; xchg eax,reg32 |
||
3384 | and eax, 7 |
||
3385 | xchg eax, edx |
||
3386 | mov eax, 'xchg' |
||
3387 | stosd |
||
3388 | mov eax, ' ' |
||
3389 | stosd |
||
3390 | xor eax, eax |
||
3391 | call disasm_write_reg1632 |
||
3392 | mov ax, ', ' |
||
3393 | stosw |
||
3394 | xchg eax, edx |
||
3395 | call disasm_write_reg1632 |
||
3396 | and byte [edi], 0 |
||
3397 | ret |
||
3398 | |||
3399 | cint: |
||
3400 | mov eax, 'int ' |
||
3401 | stosd |
||
3402 | mov eax, ' ' |
||
3403 | stosd |
||
3404 | disasm_i8u: |
||
3405 | xor eax, eax |
||
3406 | call disasm_get_byte |
||
3407 | call disasm_write_num |
||
3408 | and byte [edi], 0 |
||
3409 | ret |
||
3410 | |||
3411 | cmov11: |
||
3412 | ; mov r8,i8 |
||
3413 | mov ecx, eax |
||
3414 | mov eax, 'mov ' |
||
3415 | stosd |
||
3416 | mov eax, ' ' |
||
3417 | stosd |
||
3418 | and ecx, 7 |
||
3419 | mov ax, [disasm_regs8+ecx*2] |
||
3420 | stosw |
||
3421 | mov ax, ', ' |
||
3422 | stosw |
||
3423 | jmp disasm_i8u |
||
3424 | |||
3425 | cmov12: |
||
3426 | ; mov r32,i32 |
||
3427 | xchg eax, edx |
||
3428 | mov eax, 'mov ' |
||
3429 | stosd |
||
3430 | mov eax, ' ' |
||
3431 | stosd |
||
3432 | xchg eax, edx |
||
3433 | and eax, 7 |
||
3434 | call disasm_write_reg1632 |
||
3435 | mov ax, ', ' |
||
3436 | stosw |
||
3437 | jmp cmov2.1 |
||
3438 | |||
3439 | disasm_shifts dd 'rol ','ror ','rcl ','rcr ','shl ','shr ','sal ','sar ' |
||
3440 | cshift2: |
||
3441 | ; shift r/m,1 = D0/D1 |
||
3442 | cshift3: |
||
3443 | ; shift r/m,cl = D2/D3 |
||
3444 | disasm_set_modew |
||
3445 | mov dl, al |
||
3446 | call disasm_get_byte |
||
3447 | dec [disasm_cur_pos] |
||
3448 | shr al, 3 |
||
3449 | and eax, 7 |
||
3450 | mov eax, [disasm_shifts+eax*4] |
||
3451 | stosd |
||
3452 | mov eax, ' ' |
||
3453 | stosd |
||
3454 | call disasm_readrmop |
||
3455 | cmp dl, 0xD2 |
||
3456 | jb .s1 |
||
3457 | mov eax, ', cl' |
||
3458 | stosd |
||
3459 | and byte [edi], 0 |
||
3460 | ret |
||
3461 | .s1: |
||
3462 | mov eax, ', 1' |
||
3463 | stosd |
||
3464 | clc |
||
3465 | ret |
||
3466 | |||
3467 | cshift1: |
||
3468 | ; shift r/m,i8 = C0/C1 |
||
3469 | disasm_set_modew |
||
3470 | call disasm_get_byte |
||
3471 | dec [disasm_cur_pos] |
||
3472 | shr al, 3 |
||
3473 | and eax, 7 |
||
3474 | mov eax, [disasm_shifts+eax*4] |
||
3475 | stosd |
||
3476 | mov eax, ' ' |
||
3477 | stosd |
||
3478 | call disasm_readrmop |
||
3479 | mov ax, ', ' |
||
3480 | stosw |
||
3481 | jmp disasm_i8u |
||
3482 | |||
3483 | |||
3484 | cmov3: |
||
3485 | ; A0: mov al,[ofs32] |
||
3486 | ; A1: mov ax/eax,[ofs32] |
||
3487 | ; A2: mov [ofs32],al |
||
3488 | ; A3: mov [ofs32],ax/eax |
||
3489 | mov edx, 'mov ' |
||
3490 | xchg eax, edx |
||
3491 | stosd |
||
3492 | mov eax, ' ' |
||
3493 | stosd |
||
3494 | test dl, 2 |
||
3495 | jnz .1 |
||
3496 | call .write_acc |
||
3497 | mov ax, ', ' |
||
3498 | stosw |
||
3499 | call .write_ofs32 |
||
3500 | jmp .2 |
||
3501 | .1: |
||
3502 | call .write_ofs32 |
||
3503 | mov ax, ', ' |
||
3504 | stosw |
||
3505 | call .write_acc |
||
3506 | .2: and byte [edi], 0 |
||
3507 | ret |
||
3508 | .write_acc: |
||
3509 | test dl, 1 |
||
3510 | jz .8bit |
||
3511 | test ch, 1 |
||
3512 | jnz .16bit |
||
3513 | mov eax, 'eax' |
||
3514 | stosd |
||
3515 | dec edi |
||
3516 | ret |
||
3517 | .16bit: |
||
3518 | mov ax, 'ax' |
||
3519 | stosw |
||
3520 | ret |
||
3521 | .8bit: |
||
3522 | mov ax, 'al' |
||
3523 | stosw |
||
3524 | ret |
||
3525 | .write_ofs32: |
||
3526 | mov al, '[' |
||
3527 | stosb |
||
3528 | call disasm_get_dword |
||
3529 | call disasm_write_num |
||
3530 | mov al, ']' |
||
3531 | stosb |
||
3532 | ret |
||
3533 | |||
3534 | disasm_write_reg: |
||
3535 | test ch, 80h |
||
3536 | jnz disasm_write_reg1632 |
||
3537 | mov ax, [disasm_regs8+eax*2] |
||
3538 | stosw |
||
3539 | ret |
||
3540 | disasm_write_reg1632: |
||
3541 | test ch, 1 |
||
3542 | jnz @f |
||
3543 | mov eax, [disasm_regs32+eax*4] |
||
3544 | stosd |
||
3545 | dec edi |
||
3546 | ret |
||
3547 | @@: |
||
3548 | mov ax, [disasm_regs16+eax*2] |
||
3549 | stosw |
||
3550 | ret |
||
3551 | |||
3552 | cmovzx: ; 0F B6/B7 |
||
3553 | cmovsx: ; 0F BE/BF |
||
3554 | mov edx, eax |
||
3555 | disasm_set_modew |
||
3556 | mov eax, 'movz' |
||
3557 | cmp dl, 0xB8 |
||
3558 | jb @f |
||
3559 | mov eax, 'movs' |
||
3560 | @@: |
||
3561 | stosd |
||
3562 | mov eax, 'x ' |
||
3563 | stosd |
||
3564 | call disasm_get_byte |
||
3565 | dec [disasm_cur_pos] |
||
3566 | shr al, 3 |
||
3567 | and eax, 7 |
||
3568 | call disasm_write_reg1632 |
||
3569 | mov ax, ', ' |
||
3570 | stosw |
||
3571 | or ch, 1 ; 2nd operand - 8 or 16 bits |
||
3572 | call disasm_readrmop |
||
3573 | and byte [edi], 0 |
||
3574 | ret |
||
3575 | |||
3576 | disasm_op2cmds dd 'add ','or ','adc ','sbb ','and ','sub ','xor ','cmp ' |
||
3577 | cop21: |
||
3578 | disasm_set_modew |
||
3579 | mov esi, 'test' |
||
3580 | cmp al, 0A8h |
||
3581 | jae @f |
||
3582 | shr al, 3 |
||
3583 | and eax, 7 |
||
3584 | mov esi, [disasm_op2cmds+eax*4] |
||
3585 | @@: |
||
3586 | xchg eax, esi |
||
3587 | stosd |
||
3588 | mov eax, ' ' |
||
3589 | stosd |
||
3590 | test ch, 80h |
||
3591 | jnz .1632 |
||
3592 | mov eax, 'al, ' |
||
3593 | stosd |
||
3594 | jmp disasm_i8u |
||
3595 | .1632: |
||
3596 | test ch, 1 |
||
3597 | jnz .16 |
||
3598 | mov eax, 'eax,' |
||
3599 | stosd |
||
3600 | mov al, ' ' |
||
3601 | stosb |
||
3602 | call disasm_get_dword |
||
3603 | jmp .x |
||
3604 | .16: |
||
3605 | mov eax, 'ax, ' |
||
3606 | stosd |
||
3607 | xor eax, eax |
||
3608 | call disasm_get_word |
||
3609 | .x: |
||
3610 | call disasm_write_num |
||
3611 | and byte [edi], 0 |
||
3612 | ret |
||
3613 | |||
3614 | cop22: |
||
3615 | disasm_set_modew |
||
3616 | or ch, 40h |
||
3617 | mov edx, eax |
||
3618 | mov esi, 'lea ' |
||
3619 | cmp al, 8Dh |
||
3620 | jz @f |
||
3621 | mov esi, 'imul' |
||
3622 | cmp al, 0xAF |
||
3623 | jz @f |
||
3624 | mov esi, 'mov ' |
||
3625 | cmp al, 88h |
||
3626 | jae @f |
||
3627 | mov esi, 'xchg' |
||
3628 | cmp al, 86h |
||
3629 | jae @f |
||
3630 | mov esi, 'test' |
||
3631 | cmp al, 84h |
||
3632 | jae @f |
||
3633 | shr al, 3 |
||
3634 | and eax, 7 |
||
3635 | mov esi, [disasm_op2cmds+eax*4] |
||
3636 | @@: |
||
3637 | xchg eax, esi |
||
3638 | stosd |
||
3639 | mov eax, ' ' |
||
3640 | stosd |
||
3641 | call disasm_get_byte |
||
3642 | dec [disasm_cur_pos] |
||
3643 | shr al, 3 |
||
3644 | and eax, 7 |
||
3645 | cmp dl, 0x8D |
||
3646 | jz @f |
||
3647 | cmp dl, 0x86 |
||
3648 | jz @f |
||
3649 | cmp dl, 0x87 |
||
3650 | jz @f |
||
3651 | test dl, 2 |
||
3652 | jz .d0 |
||
3653 | @@: |
||
3654 | call disasm_write_reg |
||
3655 | mov ax, ', ' |
||
3656 | stosw |
||
3657 | call disasm_readrmop |
||
3658 | and byte [edi], 0 |
||
3659 | ret |
||
3660 | .d0: |
||
3661 | push eax |
||
3662 | call disasm_readrmop |
||
3663 | mov ax, ', ' |
||
3664 | stosw |
||
3665 | pop eax |
||
3666 | call disasm_write_reg |
||
3667 | and byte [edi], 0 |
||
3668 | ret |
||
3669 | |||
3670 | cop23: |
||
3671 | disasm_set_modew |
||
3672 | xchg eax, edx |
||
3673 | call disasm_get_byte |
||
3674 | dec [disasm_cur_pos] |
||
3675 | shr eax, 3 |
||
3676 | and eax, 7 |
||
3677 | mov eax, [disasm_op2cmds+eax*4] |
||
3678 | ctest: |
||
3679 | stosd |
||
3680 | mov eax, ' ' |
||
3681 | stosd |
||
3682 | call disasm_readrmop |
||
3683 | mov ax, ', ' |
||
3684 | stosw |
||
3685 | test ch, 80h |
||
3686 | jz .i8 |
||
3687 | cmp dl, 83h |
||
3688 | jz .i8 |
||
3689 | test ch, 1 |
||
3690 | jnz .i16 |
||
3691 | call disasm_get_dword |
||
3692 | jmp .ic |
||
3693 | .i8: |
||
3694 | xor eax, eax |
||
3695 | call disasm_get_byte |
||
3696 | cmp dl, 83h |
||
3697 | jnz .ic |
||
3698 | movsx eax, al |
||
3699 | jmp .ic |
||
3700 | .i16: |
||
3701 | xor eax, eax |
||
3702 | call disasm_get_word |
||
3703 | .ic: |
||
3704 | call disasm_write_num |
||
3705 | and byte [edi], 0 |
||
3706 | ret |
||
3707 | |||
3708 | cbtx1: |
||
3709 | ; btx r/m,i8 = 0F BA |
||
3710 | or ch, 80h |
||
3711 | call disasm_get_byte |
||
3712 | dec [disasm_cur_pos] |
||
3713 | shr al, 3 |
||
3714 | and eax, 7 |
||
3715 | cmp al, 4 |
||
3716 | jb cunk |
||
3717 | mov eax, [btx1codes+eax*4-4*4] |
||
3718 | stosd |
||
3719 | mov eax, ' ' |
||
3720 | stosd |
||
3721 | call disasm_readrmop |
||
3722 | mov ax, ', ' |
||
3723 | stosw |
||
3724 | jmp disasm_i8u |
||
3725 | btx1codes dd 'bt ','bts ','btr ','btc ' |
||
3726 | cbtx2: |
||
3727 | ; btx r/m,r = 0F 101xx011 (A3,AB,B3,BB) |
||
3728 | shr al, 3 |
||
3729 | and eax, 3 |
||
3730 | mov eax, [btx1codes+eax*4] |
||
3731 | stosd |
||
3732 | mov eax, ' ' |
||
3733 | stosd |
||
3734 | or ch, 0xC0 |
||
3735 | call disasm_get_byte |
||
3736 | dec [disasm_cur_pos] |
||
3737 | shr al, 3 |
||
3738 | and eax, 7 |
||
3739 | push eax |
||
3740 | call disasm_readrmop |
||
3741 | mov ax, ', ' |
||
3742 | stosw |
||
3743 | pop eax |
||
3744 | call disasm_write_reg1632 |
||
3745 | and byte [edi], 0 |
||
3746 | ret |
||
3747 | |||
3748 | csetcc: |
||
3749 | and eax, 0xF |
||
3750 | mov ax, [disasm_jcc_codes + eax*2] |
||
3751 | mov dword [edi], 'setc' |
||
3752 | add edi, 3 |
||
3753 | stosw |
||
3754 | mov ax, ' ' |
||
3755 | stosw |
||
3756 | stosb |
||
3757 | call disasm_readrmop |
||
3758 | and byte [edi], 0 |
||
3759 | ret |
||
3760 | |||
3761 | disasm_jcc_codes dw 'o ','no','b ','ae','z ','nz','be','a ','s ','ns','p ','np','l ','ge','le','g ' |
||
3762 | cjcc1: |
||
3763 | cjmp2: |
||
3764 | cmp al, 0xEB |
||
3765 | jz .1 |
||
3766 | and eax, 0xF |
||
3767 | mov ax, [disasm_jcc_codes + eax*2] |
||
3768 | jmp .2 |
||
3769 | .1: |
||
3770 | mov ax, 'mp' |
||
3771 | .2: |
||
3772 | mov byte [edi], 'j' |
||
3773 | inc edi |
||
3774 | stosw |
||
3775 | mov eax, ' ' |
||
3776 | stosb |
||
3777 | stosd |
||
3778 | call disasm_get_byte |
||
3779 | movsx eax, al |
||
3780 | disasm_rva: |
||
3781 | add eax, [disasm_cur_pos] |
||
3782 | call disasm_write_num |
||
3783 | and byte [edi], 0 |
||
3784 | ret |
||
3785 | |||
3786 | ccall1: |
||
3787 | cjmp1: |
||
3788 | cjcc2: |
||
3789 | mov edx, 'call' |
||
3790 | cmp al, 0xE8 |
||
3791 | jz @f |
||
3792 | mov edx, 'jmp ' |
||
3793 | cmp al, 0xE9 |
||
3794 | jz @f |
||
3795 | mov edx, ' ' |
||
3796 | and eax, 0xF |
||
3797 | mov dx, [disasm_jcc_codes+eax*2] |
||
3798 | shl edx, 8 |
||
3799 | mov dl, 'j' |
||
3800 | @@: |
||
3801 | xchg eax, edx |
||
3802 | stosd |
||
3803 | mov eax, ' ' |
||
3804 | stosd |
||
3805 | call disasm_get_dword |
||
3806 | jmp disasm_rva |
||
3807 | |||
3808 | op11codes dd 'test',0,'not ','neg ','mul ','imul','div ','idiv' |
||
3809 | op12codes dd 'inc ','dec ','call',0,'jmp ',0,'push',0 |
||
3810 | cop1: |
||
3811 | disasm_set_modew |
||
3812 | xchg eax, edx |
||
3813 | call disasm_get_byte |
||
3814 | dec [disasm_cur_pos] |
||
3815 | shr al, 3 |
||
3816 | and eax, 7 |
||
3817 | cmp dl, 0xFE |
||
3818 | jnz @f |
||
3819 | cmp al, 1 |
||
3820 | ja cunk |
||
3821 | @@: |
||
3822 | and edx, 8 |
||
3823 | add eax, edx |
||
3824 | mov eax, [op11codes+eax*4] |
||
3825 | test eax, eax |
||
3826 | jz cunk |
||
3827 | cmp eax, 'test' |
||
3828 | jz ctest |
||
3829 | @@: |
||
3830 | stosd |
||
3831 | mov eax, ' ' |
||
3832 | stosd |
||
3833 | call disasm_readrmop |
||
3834 | and byte [edi], 0 |
||
3835 | ret |
||
3836 | |||
3837 | cpop2: |
||
3838 | or ch, 80h |
||
3839 | call disasm_get_byte |
||
3840 | dec [disasm_cur_pos] |
||
3841 | test al, 00111000b |
||
3842 | jnz cunk |
||
3843 | mov eax, 'pop ' |
||
3844 | jmp @b |
||
3845 | |||
3846 | cloopnz: |
||
3847 | mov eax, 'loop' |
||
3848 | stosd |
||
3849 | mov eax, 'nz ' |
||
3850 | test ch, 2 |
||
3851 | jz @f |
||
3852 | mov ah, 'w' |
||
3853 | @@: jmp cloop.cmn |
||
3854 | cloopz: |
||
3855 | mov eax, 'loop' |
||
3856 | stosd |
||
3857 | mov eax, 'z ' |
||
3858 | test ch, 2 |
||
3859 | jz @f |
||
3860 | mov eax, 'zw ' |
||
3861 | @@: jmp cloop.cmn |
||
3862 | |||
3863 | cjcxz: |
||
3864 | cloop: |
||
3865 | cmp al, 0xE2 |
||
3866 | jz .loop |
||
3867 | test ch, 2 |
||
3868 | jnz .jcxz |
||
3869 | mov eax, 'jecx' |
||
3870 | stosd |
||
3871 | mov eax, 'z ' |
||
3872 | jmp .cmn |
||
3873 | .jcxz: |
||
3874 | mov eax, 'jcxz' |
||
3875 | stosd |
||
3876 | mov eax, ' ' |
||
3877 | jmp .cmn |
||
3878 | .loop: |
||
3879 | mov eax, 'loop' |
||
3880 | stosd |
||
3881 | mov eax, ' ' |
||
3882 | test ch, 2 |
||
3883 | jz .cmn |
||
3884 | mov al, 'w' |
||
3885 | .cmn: |
||
3886 | stosd |
||
3887 | call disasm_get_byte |
||
3888 | movsx eax, al |
||
3889 | add eax, [disasm_cur_pos] |
||
3890 | test ch, 1 |
||
3891 | jz @f |
||
3892 | and eax, 0xFFFF |
||
3893 | @@: |
||
3894 | disasm_write_num_done: |
||
3895 | call disasm_write_num |
||
3896 | and byte [edi], 0 |
||
3897 | ret |
||
3898 | |||
3899 | cimul1: |
||
3900 | ; imul r,r/m,i |
||
3901 | or ch, 80h ; 32bit operation |
||
3902 | xchg eax, edx |
||
3903 | mov eax, 'imul' |
||
3904 | stosd |
||
3905 | mov eax, ' ' |
||
3906 | stosd |
||
3907 | call disasm_get_byte |
||
3908 | dec [disasm_cur_pos] |
||
3909 | shr al, 3 |
||
3910 | and eax, 7 |
||
3911 | call disasm_write_reg1632 |
||
3912 | mov ax, ', ' |
||
3913 | stosw |
||
3914 | call disasm_readrmop |
||
3915 | mov ax, ', ' |
||
3916 | stosw |
||
3917 | test ch, 1 |
||
3918 | jnz .16 |
||
3919 | cmp dl, 0x69 |
||
3920 | jz .op32 |
||
3921 | call disasm_get_byte |
||
3922 | movsx eax, al |
||
3923 | jmp disasm_write_num_done |
||
3924 | .op32: |
||
3925 | call disasm_get_dword |
||
3926 | jmp disasm_write_num_done |
||
3927 | .16: |
||
3928 | cmp dl, 0x69 |
||
3929 | jz .op16 |
||
3930 | call disasm_get_byte |
||
3931 | cbw |
||
3932 | jmp disasm_write_num_done |
||
3933 | .op16: |
||
3934 | xor eax, eax |
||
3935 | call disasm_get_word |
||
3936 | jmp disasm_write_num_done |
||
3937 | |||
3938 | cshld: |
||
3939 | cshrd: |
||
3940 | mov edx, 'shld' |
||
3941 | test al, 8 |
||
3942 | jz @f |
||
3943 | mov edx, 'shrd' |
||
3944 | @@: |
||
3945 | xchg eax, edx |
||
3946 | stosd |
||
3947 | mov eax, ' ' |
||
3948 | stosd |
||
3949 | call disasm_get_byte |
||
3950 | dec [disasm_cur_pos] |
||
3951 | shr al, 3 |
||
3952 | and eax, 7 |
||
3953 | push eax |
||
3954 | or ch, 80h |
||
3955 | call disasm_readrmop |
||
3956 | mov ax, ', ' |
||
3957 | stosw |
||
3958 | pop eax |
||
3959 | call disasm_write_reg1632 |
||
3960 | mov ax, ', ' |
||
3961 | stosw |
||
3962 | test dl, 1 |
||
3963 | jz disasm_i8u |
||
3964 | mov ax, 'cl' |
||
3965 | stosw |
||
3966 | and byte [edi], 0 |
||
3967 | ret |
||
3968 | |||
3969 | ccbw: |
||
3970 | mov eax, 'cbw ' |
||
3971 | test ch, 1 |
||
3972 | jnz @f |
||
3973 | mov eax, 'cwde' |
||
3974 | @@: stosd |
||
3975 | and byte [edi+1], 0 |
||
3976 | ret |
||
3977 | ccwd: |
||
3978 | mov eax, 'cwd ' |
||
3979 | test ch, 1 |
||
3980 | jnz @b |
||
3981 | mov eax, 'cdq ' |
||
3982 | jmp @b |
||
3983 | |||
3984 | fpuD8 dd 'add ','mul ','com ','comp','sub ','subr','div ','divr' |
||
3985 | |||
3986 | cD8: |
||
3987 | call disasm_get_byte |
||
3988 | dec [disasm_cur_pos] |
||
3989 | push eax |
||
3990 | shr al, 3 |
||
3991 | and eax, 7 |
||
3992 | mov byte [edi], 'f' |
||
3993 | inc edi |
||
3994 | xchg eax, edx |
||
3995 | mov eax, [fpuD8+edx*4] |
||
3996 | stosd |
||
3997 | mov ax, ' ' |
||
3998 | stosw |
||
3999 | stosb |
||
4000 | pop eax |
||
4001 | cmp dl, 2 |
||
4002 | jb .1 |
||
4003 | cmp dl, 3 |
||
4004 | jbe .2 |
||
4005 | .1: |
||
4006 | cmp al, 0xC0 |
||
4007 | jb .2 |
||
4008 | mov eax, 'st0,' |
||
4009 | stosd |
||
4010 | mov al, ' ' |
||
4011 | stosb |
||
4012 | .2: |
||
4013 | or ch, 80h or 20h |
||
4014 | and ch, not 1 |
||
4015 | call disasm_readrmop |
||
4016 | and byte [edi], 0 |
||
4017 | ret |
||
4018 | |||
4019 | fpuD9_2: |
||
4020 | dq 'fchs ','fabs ',0,0,'ftst ','fxam ',0,0 |
||
4021 | db 'fld1 fldl2t fldl2e fldpi fldlg2 fldln2 fldz ' |
||
4022 | dq 0 |
||
4023 | db 'f2xm1 fyl2x fptan fpatan fxtract fprem1 fdecstp fincstp ' |
||
4024 | db 'fprem fyl2xp1 fsqrt fsincos frndint fscale fsin fcos ' |
||
4025 | fpuD9_fnop db 'fnop ' |
||
4026 | cD9: |
||
4027 | call disasm_get_byte |
||
4028 | sub al, 0xC0 |
||
4029 | jae .l1 |
||
4030 | dec [disasm_cur_pos] |
||
4031 | shr al, 3 |
||
4032 | and eax, 7 |
||
4033 | cmp al, 7 |
||
4034 | jnz @f |
||
4035 | mov eax, 'fnst' |
||
4036 | stosd |
||
4037 | mov eax, 'cw ' |
||
4038 | jmp .x1 |
||
4039 | @@: |
||
4040 | cmp al, 5 |
||
4041 | jnz @f |
||
4042 | mov eax, 'fldc' |
||
4043 | stosd |
||
4044 | mov eax, 'w ' |
||
4045 | .x1: |
||
4046 | stosd |
||
4047 | or ch, 0C1h |
||
4048 | jmp .cmn |
||
4049 | @@: |
||
4050 | mov edx, 'fld ' |
||
4051 | test al, al |
||
4052 | jz @f |
||
4053 | mov edx, 'fst ' |
||
4054 | cmp al, 2 |
||
4055 | jz @f |
||
4056 | mov edx, 'fstp' |
||
4057 | cmp al, 3 |
||
4058 | jnz cunk |
||
4059 | @@: |
||
4060 | xchg eax, edx |
||
4061 | stosd |
||
4062 | mov eax, ' ' |
||
4063 | stosd |
||
4064 | or ch, 80h |
||
4065 | and ch, not 1 |
||
4066 | .cmn: |
||
4067 | call disasm_readrmop |
||
4068 | and byte [edi], 0 |
||
4069 | ret |
||
4070 | .l1: |
||
4071 | cmp al, 10h |
||
4072 | jae .l2 |
||
4073 | mov edx, 'fld ' |
||
4074 | cmp al, 8 |
||
4075 | jb @f |
||
4076 | mov edx, 'fxch' |
||
4077 | @@: |
||
4078 | xchg eax, edx |
||
4079 | stosd |
||
4080 | mov eax, ' ' |
||
4081 | stosd |
||
4082 | xchg eax, edx |
||
4083 | and al, 7 |
||
4084 | add al, '0' |
||
4085 | shl eax, 16 |
||
4086 | mov ax, 'st' |
||
4087 | stosd |
||
4088 | clc |
||
4089 | ret |
||
4090 | .l2: |
||
4091 | cmp al, 0x10 |
||
4092 | jnz @f |
||
4093 | mov esi, fpuD9_fnop |
||
4094 | jmp .l3 |
||
4095 | @@: |
||
4096 | sub al, 0x20 |
||
4097 | jb cerr |
||
4098 | lea esi, [fpuD9_2+eax*8] |
||
4099 | cmp byte [esi], 0 |
||
4100 | jz cerr |
||
4101 | .l3: |
||
4102 | movsd |
||
4103 | movsd |
||
4104 | and byte [edi-1], 0 |
||
4105 | ret |
||
4106 | |||
4107 | cDA: |
||
4108 | call disasm_get_byte |
||
4109 | cmp al, 0xC0 |
||
4110 | jae cunk |
||
4111 | dec [disasm_cur_pos] |
||
4112 | shr al, 3 |
||
4113 | and eax, 7 |
||
4114 | mov word [edi], 'fi' |
||
4115 | inc edi |
||
4116 | inc edi |
||
4117 | mov eax, [fpuD8+eax*4] |
||
4118 | stosd |
||
4119 | mov ax, ' ' |
||
4120 | stosw |
||
4121 | or ch, 80h |
||
4122 | and ch, not 1 ; 32-bit operand |
||
4123 | call disasm_readrmop |
||
4124 | and byte [edi], 0 |
||
4125 | ret |
||
4126 | |||
4127 | fpuDB dd 'ild ',0,'ist ','istp',0,'ld ',0,'stp ' |
||
4128 | cDB: |
||
4129 | call disasm_get_byte |
||
4130 | cmp al, 0xC0 |
||
4131 | jae .1 |
||
4132 | dec [disasm_cur_pos] |
||
4133 | shr al, 3 |
||
4134 | and eax, 7 |
||
4135 | xchg eax, edx |
||
4136 | mov eax, [fpuDB+edx*4] |
||
4137 | test eax, eax |
||
4138 | jz cerr |
||
4139 | mov byte [edi], 'f' |
||
4140 | inc edi |
||
4141 | stosd |
||
4142 | mov ax, ' ' |
||
4143 | stosw |
||
4144 | stosb |
||
4145 | or ch, 80h |
||
4146 | and ch, not 1 ; 32-bit operand |
||
4147 | cmp dl, 4 |
||
4148 | jb @f |
||
4149 | or ch, 20h |
||
4150 | and ch, not 80h ; 80-bit operand |
||
4151 | @@: |
||
4152 | call disasm_readrmop |
||
4153 | and byte [edi], 0 |
||
4154 | ret |
||
4155 | .1: |
||
4156 | cmp al, 0xE3 |
||
4157 | jnz cunk |
||
4158 | mov eax, 'fnin' |
||
4159 | stosd |
||
4160 | mov eax, 'it' |
||
4161 | stosd |
||
4162 | dec edi |
||
4163 | ret ; CF cleared |
||
4164 | |||
4165 | fpuDC dd 'add ','mul ',0,0,'subr','sub ','divr','div ' |
||
4166 | cDC: |
||
4167 | call disasm_get_byte |
||
4168 | cmp al, 0xC0 |
||
4169 | jae .1 |
||
4170 | dec [disasm_cur_pos] |
||
4171 | shr al, 3 |
||
4172 | and eax, 7 |
||
4173 | mov byte [edi], 'f' |
||
4174 | inc edi |
||
4175 | mov eax, [fpuD8+eax*4] |
||
4176 | stosd |
||
4177 | mov ax, ' ' |
||
4178 | stosw |
||
4179 | stosb |
||
4180 | or ch, 0A1h ; qword |
||
4181 | call disasm_readrmop |
||
4182 | and byte [edi], 0 |
||
4183 | ret |
||
4184 | .1: |
||
4185 | mov dl, al |
||
4186 | shr al, 3 |
||
4187 | and eax, 7 |
||
4188 | mov eax, [fpuDC+eax*4] |
||
4189 | test eax, eax |
||
4190 | jz cerr |
||
4191 | mov byte [edi], 'f' |
||
4192 | inc edi |
||
4193 | stosd |
||
4194 | mov eax, ' s' |
||
4195 | stosd |
||
4196 | mov al, 't' |
||
4197 | stosb |
||
4198 | and edx, 7 |
||
4199 | lea eax, [edx+'0'] |
||
4200 | stosb |
||
4201 | mov eax, ', st' |
||
4202 | stosd |
||
4203 | mov ax, '0' |
||
4204 | stosw |
||
4205 | ret ; CF cleared |
||
4206 | |||
4207 | fpuDD dd 'fld ',0,'fst ','fstp',0,0,0,0 |
||
4208 | fpuDD_2 dq 'ffree ',0,'fst ','fstp ','fucom ','fucomp ',0,0 |
||
4209 | cDD: |
||
4210 | call disasm_get_byte |
||
4211 | cmp al, 0xC0 |
||
4212 | jae .1 |
||
4213 | dec [disasm_cur_pos] |
||
4214 | shr al, 3 |
||
4215 | and eax, 7 |
||
4216 | xchg eax, edx |
||
4217 | mov eax, [fpuDD+edx*4] |
||
4218 | test eax, eax |
||
4219 | jz cunk |
||
4220 | stosd |
||
4221 | mov eax, ' ' |
||
4222 | stosd |
||
4223 | or ch, 0A1h ; qword operand |
||
4224 | call disasm_readrmop |
||
4225 | and byte [edi], 0 |
||
4226 | ret |
||
4227 | .1: |
||
4228 | push eax |
||
4229 | shr al, 3 |
||
4230 | and eax, 7 |
||
4231 | xchg eax, edx |
||
4232 | mov eax, dword [fpuDD_2+edx*8] |
||
4233 | test eax, eax |
||
4234 | jz cerr |
||
4235 | stosd |
||
4236 | mov eax, dword [fpuDD_2+4+edx*8] |
||
4237 | stosd |
||
4238 | mov ax, 'st' |
||
4239 | stosw |
||
4240 | pop eax |
||
4241 | and al, 7 |
||
4242 | add al, '0' |
||
4243 | stosb |
||
4244 | and byte [edi], 0 |
||
4245 | ret |
||
4246 | |||
4247 | fpuDE dd 'add ','mul ',0,0,'subr','sub ','divr','div ' |
||
4248 | cDE: |
||
4249 | call disasm_get_byte |
||
4250 | cmp al, 0xC0 |
||
4251 | jae .1 |
||
4252 | dec [disasm_cur_pos] |
||
4253 | mov word [edi], 'fi' |
||
4254 | inc edi |
||
4255 | inc edi |
||
4256 | shr al, 3 |
||
4257 | and eax, 7 |
||
4258 | mov eax, [fpuD8+eax*4] |
||
4259 | stosd |
||
4260 | mov ax, ' ' |
||
4261 | stosw |
||
4262 | or ch, 81h ; force 16-bit |
||
4263 | call disasm_readrmop |
||
4264 | and byte [edi], 0 |
||
4265 | ret |
||
4266 | .1: |
||
4267 | push eax |
||
4268 | shr al, 3 |
||
4269 | and eax, 7 |
||
4270 | xchg eax, edx |
||
4271 | mov eax, [fpuDE+edx*4] |
||
4272 | test eax, eax |
||
4273 | jz .fcompp |
||
4274 | mov byte [edi], 'f' |
||
4275 | inc edi |
||
4276 | stosd |
||
4277 | mov al, 'p' |
||
4278 | cmp byte [edi-1], ' ' |
||
4279 | jnz @f |
||
4280 | mov byte [edi-1], al |
||
4281 | mov al, ' ' |
||
4282 | @@: stosb |
||
4283 | mov eax, ' st' |
||
4284 | stosd |
||
4285 | pop eax |
||
4286 | and al, 7 |
||
4287 | add al, '0' |
||
4288 | stosb |
||
4289 | mov ax, ', ' |
||
4290 | stosw |
||
4291 | mov eax, 'st0' |
||
4292 | stosd |
||
4293 | ret ; CF cleared |
||
4294 | .fcompp: |
||
4295 | pop eax |
||
4296 | cmp al, 0xD9 |
||
4297 | jnz cerr |
||
4298 | mov eax, 'fcom' |
||
4299 | stosd |
||
4300 | mov ax, 'pp' |
||
4301 | stosw |
||
4302 | and byte [edi], 0 |
||
4303 | ret |
||
4304 | |||
4305 | fpuDF dd 'ild ',0,'ist ','istp','bld ','ild ','bstp','istp' |
||
4306 | |||
4307 | cDF: |
||
4308 | call disasm_get_byte |
||
4309 | cmp al, 0xC0 |
||
4310 | jae .1 |
||
4311 | dec [disasm_cur_pos] |
||
4312 | shr al, 3 |
||
4313 | and eax, 7 |
||
4314 | xchg eax, edx |
||
4315 | mov eax, [fpuDF+edx*4] |
||
4316 | test eax, eax |
||
4317 | jz cerr |
||
4318 | mov byte [edi], 'f' |
||
4319 | inc edi |
||
4320 | stosd |
||
4321 | mov ax, ' ' |
||
4322 | stosw |
||
4323 | stosb |
||
4324 | or ch, 81h ; force 16-bit operand |
||
4325 | cmp dl, 4 |
||
4326 | jb @f |
||
4327 | or ch, 20h |
||
4328 | test dl, 1 |
||
4329 | jnz @f |
||
4330 | or ch, 40h |
||
4331 | @@: |
||
4332 | call disasm_readrmop |
||
4333 | and byte [edi], 0 |
||
4334 | ret |
||
4335 | .1: |
||
4336 | cmp al, 0xE0 |
||
4337 | jnz cunk |
||
4338 | mov eax, 'fnst' |
||
4339 | stosd |
||
4340 | mov eax, 'sw ' |
||
4341 | stosd |
||
4342 | mov ax, 'ax' |
||
4343 | stosw |
||
4344 | and byte [edi], 0 |
||
4345 | ret |
||
4346 | |||
4347 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
4348 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DATA ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
4349 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
4350 | |||
4351 | caption_str db 'Kolibri Debugger',0 |
||
4352 | caption_len = $ - caption_str |
||
4353 | begin_str db 'Kolibri Debugger, version 0.2',10 |
||
4354 | db 'Hint: type "help" for help, "quit" for quit' |
||
4355 | newline db 10,0 |
||
4356 | prompt db '> ',0 |
||
4357 | |||
4358 | help_groups: |
||
4359 | dd aControl, 0, 0, help_control_msg |
||
4360 | db 0 |
||
4361 | dd aData, 0, 0, help_data_msg |
||
4362 | db 0 |
||
4363 | dd aBreakpoints, 0, 0, help_breaks_msg |
||
4364 | db 0 |
||
4365 | ; flags field: |
||
4366 | ; &1: command may be called without parameters |
||
4367 | ; &2: command may be called with parameters |
||
4368 | ; &4: command may be called without loaded program |
||
4369 | ; &8: command may be called with loaded program |
||
4370 | commands: |
||
4371 | dd _aH, OnHelp, HelpSyntax, HelpHelp |
||
4372 | db 0Fh |
||
4373 | dd aHelp, OnHelp, HelpSyntax, HelpHelp |
||
4374 | db 0Fh |
||
4375 | dd aQuit, OnQuit, QuitSyntax, QuitHelp |
||
4376 | db 0Dh |
||
4377 | dd aLoad, OnLoad, LoadSyntax, LoadHelp |
||
4378 | db 6 |
||
4379 | dd aReload, OnReload, ReloadSyntax, ReloadHelp |
||
4380 | db 0Dh |
||
4381 | dd aTerminate, OnTerminate, TerminateSyntax, TerminateHelp |
||
4382 | db 9 |
||
4383 | dd aDetach, OnDetach, DetachSyntax, DetachHelp |
||
4384 | db 9 |
||
4385 | dd aSuspend, OnSuspend, SuspendSyntax, SuspendHelp |
||
4386 | db 9 |
||
4387 | dd aResume, OnResume, ResumeSyntax, ResumeHelp |
||
4388 | db 0Bh |
||
4389 | dd aStep, OnStep, StepSyntax, StepHelp |
||
4390 | db 9 |
||
4391 | dd aProceed, OnProceed, ProceedSyntax, ProceedHelp |
||
4392 | db 9 |
||
4393 | dd aCalc, OnCalc, CalcSyntax, CalcHelp |
||
4394 | db 0Eh |
||
4395 | dd aDump, OnDump, DumpSyntax, DumpHelp |
||
4396 | db 0Bh |
||
4397 | dd aUnassemble, OnUnassemble, UnassembleSyntax, UnassembleHelp |
||
4398 | db 0Bh |
||
4399 | dd aBp, OnBp, BpSyntax, BpHelp |
||
4400 | db 0Ah |
||
4401 | dd aBpm, OnBpmb, BpmSyntax, BpmHelp |
||
4402 | db 0Ah |
||
4403 | dd aBpmb, OnBpmb, BpmSyntax, BpmHelp |
||
4404 | db 0Ah |
||
4405 | dd aBpmw, OnBpmw, BpmSyntax, BpmHelp |
||
4406 | db 0Ah |
||
4407 | dd aBpmd, OnBpmd, BpmSyntax, BpmHelp |
||
4408 | db 0Ah |
||
4409 | dd aBl, OnBl, BlSyntax, BlHelp |
||
4410 | db 0Bh |
||
4411 | dd aBc, OnBc, BcSyntax, BcHelp |
||
4412 | db 0Ah |
||
4413 | dd aBd, OnBd, BdSyntax, BdHelp |
||
4414 | db 0Ah |
||
4415 | dd aBe, OnBe, BeSyntax, BeHelp |
||
4416 | db 0Ah |
||
4417 | dd aReg, OnReg, RSyntax, RHelp |
||
4418 | db 0Ah |
||
4419 | dd aUnpack, OnUnpack, UnpackSyntax, UnpackHelp |
||
4420 | db 9 |
||
4421 | dd 0 |
||
4422 | aHelp db 5,'help',0 |
||
4423 | _aH db 2,'h',0 |
||
4424 | HelpHelp db 'Help on specified function',10 |
||
4425 | HelpSyntax db 'Usage: h or help [group | command]',10,0 |
||
4426 | |||
4427 | help_msg db 'List of known command groups:',10 |
||
4428 | db '"help control" - display list of control commands',10 |
||
4429 | db '"help data" - display list of commands concerning data',10 |
||
4430 | db '"help breakpoints" - display list of commands concerning breakpoints',10,0 |
||
4431 | aControl db 8,'control',0 |
||
4432 | help_control_msg db 'List of control commands:',10 |
||
4433 | db 'h = help - help',10 |
||
4434 | db 'quit - exit from debugger',10 |
||
4435 | db 'load |
||
4436 | db 'reload - reload debugging program',10 |
||
4437 | db 'terminate - terminate loaded program',10 |
||
4438 | db 'detach - detach from debugging program',10 |
||
4439 | db 'stop - suspend execution of debugging program',10 |
||
4440 | db 'g [ |
||
4441 | db 's = |
||
4442 | db 'p = |
||
4443 | db 'unpack - try to bypass unpacker code (heuristic)',10,0 |
||
4444 | aData db 5,'data',0 |
||
4445 | help_data_msg db 'List of data commands:',10 |
||
4446 | db '? |
||
4447 | db 'd [ |
||
4448 | db 'u [ |
||
4449 | db 'r |
||
4450 | db 'r |
||
4451 | aBreakpoints db 12,'breakpoints',0 |
||
4452 | help_breaks_msg db 'List of breakpoints commands:',10 |
||
4453 | db 'bp |
||
4454 | db 'bpm[b|w|d] |
||
4455 | db 'bl [ |
||
4456 | db 'bc |
||
4457 | db 'bd |
||
4458 | db 'be |
||
4459 | |||
4460 | aQuit db 5,'quit',0 |
||
4461 | QuitHelp db 'Quit from debugger',10 |
||
4462 | QuitSyntax db 'Usage: quit',10,0 |
||
4463 | |||
4464 | aLoad db 5,'load',0 |
||
4465 | LoadHelp db 'Load program for debugging',10 |
||
4466 | LoadSyntax db 'Usage: load |
||
4467 | |||
4468 | aReload db 7,'reload',0 |
||
4469 | ReloadHelp db 'Reload debugging program (restart debug session)',10 |
||
4470 | ReloadSyntax db 'Usage: reload',10,0 |
||
4471 | |||
4472 | aTerminate db 10,'terminate',0 |
||
4473 | TerminateHelp db 'Terminate debugged program',10 |
||
4474 | TerminateSyntax db 'Usage: terminate',10,0 |
||
4475 | |||
4476 | aDetach db 7,'detach',0 |
||
4477 | DetachHelp db 'Detach from debugged program',10 |
||
4478 | DetachSyntax db 'Usage: detach',10,0 |
||
4479 | |||
4480 | aSuspend db 5,'stop',0 |
||
4481 | SuspendHelp db 'Suspend execution of debugged program',10 |
||
4482 | SuspendSyntax db 'Usage: stop',10,0 |
||
4483 | |||
4484 | aResume db 2,'g',0 |
||
4485 | ResumeHelp db 'Go (resume execution of debugged program)',10 |
||
4486 | ResumeSyntax db 'Usage: g',10 |
||
4487 | db ' or: g |
||
4488 | |||
4489 | aStep db 2,'s',0 |
||
4490 | StepHelp db 'Make step in debugged program',10 |
||
4491 | StepSyntax db 'Usage: s',10,0 |
||
4492 | |||
4493 | aProceed db 2,'p',0 |
||
4494 | ProceedHelp db 'Make wide step in debugged program (step over CALL, REPxx, LOOP)',10 |
||
4495 | ProceedSyntax db 'Usage: p',10,0 |
||
4496 | |||
4497 | aDump db 2,'d',0 |
||
4498 | DumpHelp db 'Dump data of debugged program',10 |
||
4499 | DumpSyntax db 'Usage: d |
||
4500 | db ' or: d - continue current dump',10,0 |
||
4501 | |||
4502 | aCalc db 2,'?',0 |
||
4503 | CalcHelp db 'Calculate value of expression',10 |
||
4504 | CalcSyntax db 'Usage: ? |
||
4505 | |||
4506 | aUnassemble db 2,'u',0 |
||
4507 | UnassembleHelp db 'Unassemble',10 |
||
4508 | UnassembleSyntax: |
||
4509 | db 'Usage: u |
||
4510 | db ' or: u - continue current unassemble screen',10,0 |
||
4511 | |||
4512 | aReg db 2,'r',0 |
||
4513 | RHelp db 'Set register value',10 |
||
4514 | RSyntax: |
||
4515 | db 'Usage: r |
||
4516 | db ' or: r |
||
4517 | |||
4518 | aBp db 3,'bp',0 |
||
4519 | BpHelp db 'set BreakPoint on execution',10 |
||
4520 | BpSyntax db 'Usage: bp |
||
4521 | |||
4522 | aBpm db 4,'bpm',0 |
||
4523 | aBpmb db 5,'bpmb',0 |
||
4524 | aBpmw db 5,'bpmw',0 |
||
4525 | aBpmd db 5,'bpmd',0 |
||
4526 | BpmHelp db 'set BreakPoint on Memory access',10 |
||
4527 | db 'Maximum 4 breakpoints of this type are allowed',10 |
||
4528 | db 'Note that for this breaks debugger is activated after access',10 |
||
4529 | BpmSyntax db 'Usage: bpmb [w] |
||
4530 | db ' bpmw [w] |
||
4531 | db ' bpmd [w] |
||
4532 | db ' bpm is synonym for bpmd',10 |
||
4533 | db '"w" means break only on writes (default is on read/write)',10,0 |
||
4534 | |||
4535 | aBl db 3,'bl',0 |
||
4536 | BlHelp db 'Breakpoint List',10 |
||
4537 | BlSyntax db 'Usage: bl - list all breakpoints',10 |
||
4538 | db ' bl |
||
4539 | |||
4540 | aBc db 3,'bc',0 |
||
4541 | BcHelp db 'Breakpoint Clear',10 |
||
4542 | BcSyntax db 'Usage: bc |
||
4543 | db 'Examples: bc 2',10 |
||
4544 | db ' bc 1 3 4 A',10,0 |
||
4545 | |||
4546 | aBd db 3,'bd',0 |
||
4547 | BdHelp db 'Breakpoint Disable',10 |
||
4548 | BdSyntax db 'Usage: bd |
||
4549 | db 'Examples: bd 2',10 |
||
4550 | db ' bd 1 3 4 A',10,0 |
||
4551 | |||
4552 | aBe db 3,'be',0 |
||
4553 | BeHelp db 'Breakpoint Enable',10 |
||
4554 | BeSyntax db 'Usage: be |
||
4555 | db 'Examples: be 2',10 |
||
4556 | db ' be 1 3 4 A',10,0 |
||
4557 | |||
4558 | aUnpack db 7,'unpack',0 |
||
4559 | UnpackHelp db 'Try to bypass unpacker code',10 |
||
4560 | UnpackSyntax db 'Usage: unpack',10,0 |
||
4561 | |||
4562 | aUnknownCommand db 'Unknown command',10,0 |
||
4563 | |||
4564 | load_err_msg db 'Cannot load program. ',0 |
||
4565 | unk_err_msg db 'Unknown error code -%4X',10,0 |
||
4566 | load_err_msgs: |
||
4567 | dd .1, 0, .3, 0, .5, .6, 0, 0, .9, .A, 0, 0, 0, 0, 0, 0 |
||
4568 | dd 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, .1E, .1F, .20 |
||
4569 | .1 db 'HD undefined.',10,0 |
||
4570 | .3 db 'Unknown FS.',10,0 |
||
4571 | .5 db 'File not found.',10,0 |
||
4572 | .6 db 'Unexpected EOF.',10,0 |
||
4573 | .9 db 'FAT table corrupted.',10,0 |
||
4574 | .A db 'Access denied.',10,0 |
||
4575 | .1E db 'No memory.',10,0 |
||
4576 | .1F db 'Not Menuet/Kolibri executable.',10,0 |
||
4577 | .20 db 'Too many processes.',10,0 |
||
4578 | load_succ_msg db 'Program loaded successfully! PID=%4X. Use "g" to run.',10,0 |
||
4579 | need_debuggee db 'No program loaded. Use "load" command.',10,0 |
||
4580 | aAlreadyLoaded db 'Program is already loaded. Use "terminate" or "detach" commands',10,0 |
||
4581 | terminated_msg db 'Program terminated.',10,0 |
||
4582 | aException db 'Debugged program caused an exception %2X. ' |
||
4583 | aSuspended db 'Suspended',10,0 |
||
4584 | aContinued db 'Continuing',10,0 |
||
4585 | aRunningErr db 'Program is running',10,0 |
||
4586 | read_mem_err db 'ERROR: cannot read process memory!!!',10,0 |
||
4587 | aBreakpointLimitExceeded db 'Breakpoint limit exceeded',10,0 |
||
4588 | aBreakErr db 'Cannot activate breakpoint, it will be disabled',10,0 |
||
4589 | aDuplicateBreakpoint db 'Duplicate breakpoint',10,0 |
||
4590 | aInvalidBreak db 'Invalid breakpoint number',10,0 |
||
4591 | OnBeErrMsg db 'There is already enabled breakpoint on this address',10,0 |
||
4592 | aBreakNum db '%2X: at %8X',0 |
||
4593 | aMemBreak1 db '%2X: on ',0 |
||
4594 | aMemBreak2 db 'read from ',0 |
||
4595 | aMemBreak3 db 'access of ',0 |
||
4596 | aMemBreak4 db 'byte',0 |
||
4597 | aMemBreak5 db 'word',0 |
||
4598 | aMemBreak6 db 'dword',0 |
||
4599 | aMemBreak7 db ' at %8X',0 |
||
4600 | aOneShot db ', one-shot',0 |
||
4601 | aDisabled db ', disabled',0 |
||
4602 | aBreakStop db 'Breakpoint #%2X',10,0 |
||
4603 | aUserBreak db 'int3 command at %8X',10,0 |
||
4604 | ;dbgmsg_str db 'Debug message for process %4X.',10,0 |
||
4605 | aInvAddr db 'Invalid address',10,0 |
||
4606 | NoPrgLoaded_str db 'No program loaded' |
||
4607 | NoPrgLoaded_len = $ - NoPrgLoaded_str |
||
4608 | aRunning db 'Running' |
||
4609 | aPaused db 'Paused' |
||
4610 | aPoint db 0x1C |
||
4611 | aMinus db '-' |
||
4612 | aColon db ':' |
||
4613 | aQuests db '??' |
||
4614 | aDots db '...' |
||
4615 | aParseError db 'Parse error',10,0 |
||
4616 | aDivByZero db 'Division by 0',10,0 |
||
4617 | calc_string db '%8X',10,0 |
||
4618 | aUnaligned db 'Unaligned address',10,0 |
||
4619 | aEnabledBreakErr db 'Enabled breakpoints are not allowed',10,0 |
||
4620 | aInterrupted db 'Interrupted',10,0 |
||
4621 | aUnpacked db 'Unpacked successful!',10,0 |
||
4622 | aPacked1 db 'Program is probably packed with ',0 |
||
4623 | aPacked2 db '.',10,'Try to unpack automatically? [y/n]: ',0 |
||
4624 | aY_str db 'y',10,0 |
||
4625 | aN_str db 'n',10,0 |
||
4626 | mxp_nrv_name db 'mxp_nrv',0 |
||
4627 | mxp_name db 'mxp',0 |
||
4628 | mxp_lzo_name db 'mxp_lzo',0 |
||
4629 | mtappack_name db 'mtappack',0 |
||
4630 | flags db 'CPAZSDO' |
||
4631 | flags_bits db 0,2,4,6,7,10,11 |
||
4632 | regs_strs: |
||
4633 | db 'EAX=' |
||
4634 | db 'EBX=' |
||
4635 | db 'ECX=' |
||
4636 | db 'EDX=' |
||
4637 | db 'ESI=' |
||
4638 | db 'EDI=' |
||
4639 | db 'EBP=' |
||
4640 | db 'ESP=' |
||
4641 | db 'EIP=' |
||
4642 | db 'EFLAGS=' |
||
4643 | |||
4644 | debuggee_pid dd 0 |
||
4645 | bSuspended db 0 |
||
4646 | bAfterGo db 0 |
||
4647 | temp_break dd 0 |
||
4648 | |||
4649 | disasm_table_1: |
||
4650 | dd cop22, cop22, cop22, cop22, cop21, cop21, cop0, cop0 ; 0x |
||
4651 | dd cop22, cop22, cop22, cop22, cop21, cop21, cop0, cF |
||
4652 | dd cop22, cop22, cop22, cop22, cop21, cop21, cop0, cop0 ; 1x |
||
4653 | dd cop22, cop22, cop22, cop22, cop21, cop21, cop0, cop0 |
||
4654 | dd cop22, cop22, cop22, cop22, cop21, cop21, cseges,cop0 ; 2x |
||
4655 | dd cop22, cop22, cop22, cop22, cop21, cop21, csegcs,cop0 |
||
4656 | dd cop22, cop22, cop22, cop22, cop21, cop21, csegss,cop0 ; 3x |
||
4657 | dd cop22, cop22, cop22, cop22, cop21, cop21, csegds,cop0 |
||
4658 | dd cinc1, cinc1, cinc1, cinc1, cinc1, cinc1, cinc1, cinc1 ; 4x |
||
4659 | dd cdec1, cdec1, cdec1, cdec1, cdec1, cdec1, cdec1, cdec1 |
||
4660 | dd cpush1,cpush1,cpush1,cpush1,cpush1,cpush1,cpush1,cpush1 ; 5x |
||
4661 | dd cpop1, cpop1, cpop1, cpop1, cpop1, cpop1, cpop1, cpop1 |
||
4662 | dd cop0, cop0, cunk, cunk, csegfs,cseggs,c66, c67 ; 6x |
||
4663 | dd cpush21,cimul1,cpush22,cimul1,cunk,cunk, cunk, cunk |
||
4664 | dd cjcc1, cjcc1, cjcc1, cjcc1, cjcc1, cjcc1, cjcc1, cjcc1 ; 7x |
||
4665 | dd cjcc1, cjcc1, cjcc1, cjcc1, cjcc1, cjcc1, cjcc1, cjcc1 |
||
4666 | dd cop23, cop23, cop23, cop23, cop22, cop22, cop22, cop22 ; 8x |
||
4667 | dd cop22, cop22, cop22, cop22, cunk, cop22, cunk, cpop2 |
||
4668 | dd cop0, cxchg1,cxchg1,cxchg1,cxchg1,cxchg1,cxchg1,cxchg1 ; 9x |
||
4669 | dd ccbw, ccwd, cunk, cop0, cop0, cop0, cop0, cop0 |
||
4670 | dd cmov3, cmov3, cmov3, cmov3, cop0, cop0, cop0, cop0 ; Ax |
||
4671 | dd cop21, cop21, cop0, cop0, cop0, cop0, cop0, cop0 |
||
4672 | dd cmov11,cmov11,cmov11,cmov11,cmov11,cmov11,cmov11,cmov11 ; Bx |
||
4673 | dd cmov12,cmov12,cmov12,cmov12,cmov12,cmov12,cmov12,cmov12 |
||
4674 | dd cshift1,cshift1,cret2,cop0, cunk, cunk, cmov2, cmov2 ; Cx |
||
4675 | dd center,cop0, cunk, cunk, cop0, cint, cunk, cunk |
||
4676 | dd cshift2,cshift2,cshift3,cshift3,caam,cunk,cunk, cxlat ; Dx |
||
4677 | dd cD8, cD9, cDA, cDB, cDC, cDD, cDE, cDF |
||
4678 | dd cloopnz,cloopz,cloop,cjcxz, cunk, cunk, cunk, cunk ; Ex |
||
4679 | dd ccall1,cjmp1, cunk, cjmp2, cunk, cunk, cunk, cunk |
||
4680 | dd clock, cunk, crepnz,crep, cunk, cop0, cop1, cop1 ; Fx |
||
4681 | dd cop0, cop0, cop0, cop0, cop0, cop0, cop1, cop1 |
||
4682 | |||
4683 | disasm_table_2: |
||
4684 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 0x |
||
4685 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4686 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 1x |
||
4687 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4688 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 2x |
||
4689 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4690 | dd cunk, crdtsc,cunk, cunk, csysenter,cunk,cunk, cunk ; 3x |
||
4691 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4692 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 4x |
||
4693 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4694 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 5x |
||
4695 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4696 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 6x |
||
4697 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4698 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 7x |
||
4699 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4700 | dd cjcc2, cjcc2, cjcc2, cjcc2, cjcc2, cjcc2, cjcc2, cjcc2 ; 8x |
||
4701 | dd cjcc2, cjcc2, cjcc2, cjcc2, cjcc2, cjcc2, cjcc2, cjcc2 |
||
4702 | dd csetcc,csetcc,csetcc,csetcc,csetcc,csetcc,csetcc,csetcc ; 9x |
||
4703 | dd csetcc,csetcc,csetcc,csetcc,csetcc,csetcc,csetcc,csetcc |
||
4704 | dd cunk, cunk, ccpuid,cbtx2, cshld, cshld, cunk, cunk ; Ax |
||
4705 | dd cunk, cunk, cunk, cbtx2, cshrd, cshrd, cunk, cop22 |
||
4706 | dd ccmpxchg,ccmpxchg,cunk,cbtx2,cunk, cunk, cmovzx,cmovzx ; Bx |
||
4707 | dd cunk, cunk, cbtx1, cbtx2, cbsf, cbsr, cmovsx,cmovsx |
||
4708 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, ccmpxchg8b ; Cx |
||
4709 | dd cbswap,cbswap,cbswap,cbswap,cbswap,cbswap,cbswap,cbswap |
||
4710 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; Dx |
||
4711 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4712 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; Ex |
||
4713 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4714 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; Fx |
||
4715 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4716 | |||
4717 | reg_table: |
||
4718 | db 2,'al',0 |
||
4719 | db 2,'cl',1 |
||
4720 | db 2,'dl',2 |
||
4721 | db 2,'bl',3 |
||
4722 | db 2,'ah',4 |
||
4723 | db 2,'ch',5 |
||
4724 | db 2,'dh',6 |
||
4725 | db 2,'bh',7 |
||
4726 | db 2,'ax',8 |
||
4727 | db 2,'cx',9 |
||
4728 | db 2,'dx',10 |
||
4729 | db 2,'bx',11 |
||
4730 | db 2,'sp',12 |
||
4731 | db 2,'bp',13 |
||
4732 | db 2,'si',14 |
||
4733 | db 2,'di',15 |
||
4734 | db 3,'eax',16 |
||
4735 | db 3,'ecx',17 |
||
4736 | db 3,'edx',18 |
||
4737 | db 3,'ebx',19 |
||
4738 | db 3,'esp',20 |
||
4739 | db 3,'ebp',21 |
||
4740 | db 3,'esi',22 |
||
4741 | db 3,'edi',23 |
||
4742 | db 3,'eip',24 |
||
4743 | db 0 |
||
4744 | |||
4745 | fn70_load_block: |
||
4746 | dd 7 |
||
4747 | dd 1 |
||
4748 | load_params dd 0 |
||
4749 | dd 0 |
||
4750 | dd 0 |
||
4751 | i_end: |
||
4752 | loadname: |
||
4753 | db 0 |
||
4754 | rb 255 |
||
4755 | |||
4756 | prgname_ptr dd ? |
||
4757 | prgname_len dd ? |
||
4758 | |||
4759 | dbgwnd dd ? |
||
4760 | |||
4761 | messages rb messages_height*messages_width |
||
4762 | messages_pos dd ? |
||
4763 | |||
4764 | cmdline rb cmdline_width+1 |
||
4765 | cmdline_len dd ? |
||
4766 | cmdline_pos dd ? |
||
4767 | curarg dd ? |
||
4768 | |||
4769 | was_temp_break db ? |
||
4770 | |||
4771 | dbgbufsize dd ? |
||
4772 | dbgbuflen dd ? |
||
4773 | dbgbuf rb 256 |
||
4774 | |||
4775 | needzerostart: |
||
4776 | |||
4777 | context: |
||
4778 | _eip dd ? |
||
4779 | _eflags dd ? |
||
4780 | _eax dd ? |
||
4781 | _ecx dd ? |
||
4782 | _edx dd ? |
||
4783 | _ebx dd ? |
||
4784 | _esp dd ? |
||
4785 | _ebp dd ? |
||
4786 | _esi dd ? |
||
4787 | _edi dd ? |
||
4788 | |||
4789 | oldcontext rb $-context |
||
4790 | |||
4791 | dumpread dd ? |
||
4792 | dumppos dd ? |
||
4793 | dumpdata rb dump_height*10h |
||
4794 | |||
4795 | ; breakpoint structure: |
||
4796 | ; dword +0: address |
||
4797 | ; byte +4: flags |
||
4798 | ; bit 0: 1 <=> breakpoint valid |
||
4799 | ; bit 1: 1 <=> breakpoint disabled |
||
4800 | ; bit 2: 1 <=> one-shot breakpoint |
||
4801 | ; bit 3: 1 <=> DRx breakpoint |
||
4802 | ; byte +5: overwritten byte |
||
4803 | ; for DRx breaks: flags + (index shl 6) |
||
4804 | breakpoints_n = 256 |
||
4805 | breakpoints rb breakpoints_n*6 |
||
4806 | drx_break rd 4 |
||
4807 | |||
4808 | disasm_buf_size dd ? |
||
4809 | |||
4810 | bReload db ? |
||
4811 | |||
4812 | needzeroend: |
||
4813 | |||
4814 | disasm_buffer rb 256 |
||
4815 | disasm_start_pos dd ? |
||
4816 | disasm_cur_pos dd ? |
||
4817 | disasm_cur_str dd ? |
||
4818 | disasm_string rb 256 |
||
4819 | |||
4820 | i_param rb 256 |
||
4821 | |||
4822 | ; stack |
||
4823 | align 400h |
||
4824 | rb 400h |
||
4825 | used_mem:=>=>=>=> |