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Regard whitespace Rev 8590 → Rev 8591

/programs/develop/mtdbg/README
17,7 → 17,7
6. Improve disassembly engine
7. Split out context handling and kernel interface
8. Split out commands handler and tables in cmd.inc
8. Restrurize and refactor data section
8. Restructurize and refactor data section
9. Add disassembler listing export into file
10. Record trace log
11. Improve FPU/MMX/SSE/AVX debugging
/programs/develop/mtdbg/cmd_hist.inc
0,0 → 1,257
init_cmd_hist_buffer:
;-------------------------------------------------------------------------------
push eax ebx ecx
 
mcall 68, 12, 4096 ;allocate 4KB block
mov [cmd_hist_buffer.ptr], eax
mov [cmd_hist_buffer.size], ecx
 
mov edi, eax
xor eax, eax
stosd
stosd
mov [cmd_hist_buffer.new_node_offset], eax
mov [cmd_hist_buffer.last_node_offset], eax
mov [cmd_hist_buffer.cur_node_offset], eax
mov [cmd_hist_buffer.tmp_line_flag], al
mov [cmd_hist_buffer.n_flag], al
 
pop ecx ebx eax
ret
;-------------------------------------------------------------------------------
 
enlarge_cmd_hist_buffer:
;-------------------------------------------------------------------------------
pusha
 
mov ecx, [cmd_hist_buffer.size]
add ecx, 4096
mov edx, [cmd_hist_buffer.ptr]
mcall 68, 20 ;reallocate the buffer (prev. size + 4KB)
test eax, eax
jz .err
mov [cmd_hist_buffer.ptr], eax
mov [cmd_hist_buffer.size], ecx
 
.ok:
clc
popa
ret
 
.err:
stc
popa
ret
;-------------------------------------------------------------------------------
 
add_cmd_hist_line:
;-------------------------------------------------------------------------------
;in:
;eax = ptr to ASCIIZ string of line
;-------------------------------------------------------------------------------
pusha
 
mov esi, eax
mov edx, eax
xor ecx, ecx
 
@@:
inc ecx
lodsb
test al, al
jz @f
jmp @b
 
@@:
dec ecx
jz .ok
 
inc ecx
 
mov eax, [cmd_hist_buffer.new_node_offset]
lea eax, [eax+ecx+2*4]
cmp [cmd_hist_buffer.size], eax
jae @f
call enlarge_cmd_hist_buffer
jc .err
 
@@:
mov edi, [cmd_hist_buffer.new_node_offset]
mov eax, [cmd_hist_buffer.ptr]
add edi, eax
cmp eax, edi ;if eax = edi, then it's the first node
jne @f
xor eax, eax
dec eax
stosd ;save previous node link = -1 for the first node
stosd ;save next node link = -1 for the first node
jmp .cp_str
 
@@:
mov ebx, [cmd_hist_buffer.last_node_offset]
mov [edi], ebx ;save previous node link for a new node
add ebx, eax
mov eax, [cmd_hist_buffer.new_node_offset]
mov [ebx+4], eax ;update next node link for a last node
mov [cmd_hist_buffer.last_node_offset], eax
mov [cmd_hist_buffer.cur_node_offset], eax
add edi, 4
xor eax, eax
dec eax
stosd
 
.cp_str:
mov esi, edx
 
push ecx
rep movsb
pop ecx
 
add ecx, 2*4
add [cmd_hist_buffer.new_node_offset], ecx
 
 
.ok:
clc
 
.err:
mov [cmd_hist_buffer.tmp_line_flag], 0
 
popa
ret
;-------------------------------------------------------------------------------
 
add_cmd_hist_tmp_line:
;-------------------------------------------------------------------------------
;in:
;eax = ptr to ASCIIZ string of line
;-------------------------------------------------------------------------------
pusha
 
mov esi, eax
mov edx, eax
xor ecx, ecx
 
@@:
inc ecx
lodsb
test al, al
jz @f
jmp @b
 
@@:
mov eax, [cmd_hist_buffer.new_node_offset]
lea eax, [eax+ecx+2*4]
cmp [cmd_hist_buffer.size], eax
jae @f
call enlarge_cmd_hist_buffer
jc .err
 
@@:
mov edi, [cmd_hist_buffer.new_node_offset]
mov [cmd_hist_buffer.tmp_line_flag], 1
mov eax, [cmd_hist_buffer.ptr]
add edi, eax
xor eax, eax
stosd
stosd ;two zeroes - marker (prefix) of tmp line
 
.cp_str:
mov esi, edx
 
rep movsb
 
.ok:
clc
 
.err:
popa
ret
;-------------------------------------------------------------------------------
 
get_cmd_hist_line:
;-------------------------------------------------------------------------------
;out:
;eax = ptr to ASCIIZ string of current line
;-------------------------------------------------------------------------------
push ebx
 
mov eax, [cmd_hist_buffer.ptr]
mov ebx, [cmd_hist_buffer.cur_node_offset]
 
lea eax, [eax + ebx + 2*4]
 
pop ebx
ret
;-------------------------------------------------------------------------------
 
get_cmd_hist_tmp_line:
;-------------------------------------------------------------------------------
;out:
;eax = ptr to ASCIIZ string of current line or 0 (no tmp line)
;-------------------------------------------------------------------------------
cmp [cmd_hist_buffer.tmp_line_flag], 0
je @f
 
mov eax, [cmd_hist_buffer.new_node_offset]
add eax, [cmd_hist_buffer.ptr]
add eax, 2*4
 
@@:
ret
;-------------------------------------------------------------------------------
 
prev_cmd_hist_line:
;-------------------------------------------------------------------------------
;out:
;CF = 0 - OK, CF = 1 (no previous lines)
;-------------------------------------------------------------------------------
push eax ebx
 
mov eax, [cmd_hist_buffer.ptr]
mov ebx, [cmd_hist_buffer.cur_node_offset]
 
lea eax, [eax+ebx]
mov eax, [eax]
inc eax
jz .ret_cf
dec eax
mov [cmd_hist_buffer.cur_node_offset], eax
 
clc
pop ebx eax
ret
 
.ret_cf:
stc
pop ebx eax
ret
;-------------------------------------------------------------------------------
 
next_cmd_hist_line:
;-------------------------------------------------------------------------------
;out:
;CF = 0 - OK, CF = 1 (no next lines)
;-------------------------------------------------------------------------------
push eax ebx
 
mov eax, [cmd_hist_buffer.ptr]
mov ebx, [cmd_hist_buffer.cur_node_offset]
 
lea eax, [eax+ebx]
mov eax, [eax+4]
inc eax
jz .ret_cf
dec eax
mov [cmd_hist_buffer.cur_node_offset], eax
 
clc
pop ebx eax
ret
 
.ret_cf:
stc
pop ebx eax
ret
;-------------------------------------------------------------------------------
 
/programs/develop/mtdbg/gui.inc
133,6 → 133,8
; initialize process heap
mcall 68, 11
 
call init_cmd_hist_buffer
 
push eax
fstcw word [esp]
pop eax
210,7 → 212,7
pop edx
mov edx, [btn2_tab+edx*4]
mov edi, COLOR_BG_NORMAL
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
mov esi, 7
mov ebx, [registers_x_pos_dd]
add ebx, 4*10000h+REGISTERS_Y_POS
251,6 → 253,7
jz F7
cmp ah, 0x42
jz F8
mov [cmd_hist_buffer.tmp_line_flag], 0
cmp [cmdline_len], CMD_WIDTH
jae waitevent
push eax
269,14 → 272,17
call draw_cmdline_end
inc [cmdline_pos]
call draw_cursor
 
jmp waitevent
 
.backspace:
mov [cmd_hist_buffer.tmp_line_flag], 0
cmp [cmdline_pos], 0
jz waitevent
dec [cmdline_pos]
 
.delchar:
mov [cmd_hist_buffer.tmp_line_flag], 0
call clear_cmdline_end
mov edi, [cmdline_pos]
dec [cmdline_len]
325,7 → 331,69
call draw_cursor
 
.up:
xor edx, edx
jmp .hist
 
.down:
xor edx, edx
inc edx
 
.hist:
cmp [cmd_hist_buffer.tmp_line_flag], 1
je @f
mov eax, cmdline
mov ecx, [cmdline_len]
mov byte [eax + ecx], 0
call add_cmd_hist_tmp_line
 
@@:
test edx, edx
jnz .hist.next
cmp [cmd_hist_buffer.n_flag], 0
jne @f
call get_cmd_hist_line
inc [cmd_hist_buffer.n_flag]
jmp .hist.cp_line
 
@@:
call prev_cmd_hist_line
jc waitevent
call get_cmd_hist_line
inc [cmd_hist_buffer.n_flag]
jmp .hist.cp_line
 
.hist.next:
cmp [cmd_hist_buffer.n_flag], 0
je waitevent
 
call next_cmd_hist_line
call get_cmd_hist_line
jnc .hist.cp_line
call get_cmd_hist_tmp_line
mov [cmd_hist_buffer.tmp_line_flag], 0
mov [cmd_hist_buffer.n_flag], 0
 
.hist.cp_line:
 
mov esi, eax
mov edi, cmdline
xor ecx, ecx
 
@@:
inc ecx
lodsb
stosb
test al, al
jnz @b
 
dec ecx
mov [cmdline_pos], 0
call clear_cmdline_end
mov [cmdline_len], ecx
mov [cmdline_pos], ecx
call draw_cmdline
call draw_cursor
 
jmp waitevent
 
; We also trying to execute previous command, if empty command_line
346,6 → 414,11
 
.exec:
mov byte [esi+ecx], 0
 
mov eax, esi
call add_cmd_hist_line
mov [cmd_hist_buffer.n_flag], 0
 
and [cmdline_pos], 0
push esi
call clear_cmdline_end
438,6 → 511,8
; Cmdline handling
 
clear_cmdline_end:
pusha
 
mov ebx, [cmdline_pos]
mov ecx, [cmdline_len]
sub ecx, ebx
452,6 → 527,8
mov edx, COLOR_BG_NORMAL
; draw container rectangle/box for cmdline
mcall 13
 
popa
ret
 
draw_cmdline:
466,7 → 543,7
mov esi, [cmdline_len]
sub esi, ebx
 
mov ecx, (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
mov ecx, (FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
lea edx, [cmdline+ebx]
imul ebx, FONT_X_SIZE
add ebx, CMD_X_POS
587,7 → 664,7
mov edx, messages
push MSG_WIDTH
pop esi
mov ecx, (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
mov ecx, (FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
mov ebx, MSG_X_POS*10000h
mov bx, word[messages_y_pos_dd+4]
 
605,6 → 682,8
 
; TODO: make it cursor.draw and cursor.hide ???
draw_cursor:
pusha
 
mov ecx, [cmdline_y_pos_dd+2]
add cx, CMD_Y_SIZE-1
mov ebx, [cmdline_pos]
613,9 → 692,11
mov edx, ebx
shl ebx, 16
or ebx, edx
mov edx, (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
mov edx, (FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
; draw line
mcall 38
 
popa
ret
 
hide_cursor:
633,7 → 714,7
cmp ebx, [cmdline_len]
jae .ret
; setting up text color scheme and attributes
mov ecx, (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
mov ecx, (FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
lea edx, [cmdline+ebx]
imul ebx, FONT_X_SIZE
add ebx, CMD_X_POS
686,7 → 767,7
mov al, 4
mov ebx, TITLE_X_POS*10000h+TITLE_Y_POS
; setting up text color scheme and attributes
mov ecx, (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
mov ecx, (FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
mov edx, NoPrgLoaded_str
cmp [debuggee_pid], 0
jz @f
710,7 → 791,7
 
@@:
; draw line with COLOR_LINE (in edx) in one case
; and draw text string with color (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL (in ecx) in another
; and draw text string with color (FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL (in ecx) in another
mcall
ret
 
742,16 → 823,16
 
mov eax, [esi]
 
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
cmp [debuggee_pid], 0
jz .cd
cmp [bSuspended], 0
jz .cd
 
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
cmp eax, dword [esi+oldcontext-context]
je .cd
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_CHANGED or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_CHANGED or 0x40000000)
.cd:
push eax ;store reg value
 
1025,13 → 1106,13
 
.display:
 
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
cmp [debuggee_pid], 0
jz .do_label
cmp [bSuspended], 0
jz .do_label
 
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
 
mov eax, dword [_st0+ebp]
cmp eax, dword [_st0+(oldcontext-context)+ebp]
1046,7 → 1127,7
je .do_label
 
.scol:
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_CHANGED or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_CHANGED or 0x40000000)
 
.do_label:
; draw a text string in the window
1091,13 → 1172,13
stosb
call .hex_2_str
 
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
cmp [debuggee_pid], 0
jz .cd
cmp [bSuspended], 0
jz .cd
 
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
 
mov eax, dword [_mm0+ebp]
cmp eax, dword [_mm0+(oldcontext-context)+ebp]
1108,7 → 1189,7
je .cd
 
.scol:
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_CHANGED or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_CHANGED or 0x40000000)
.cd:
; draw a text string in the window
 
1200,13 → 1281,13
and byte [edx], not 20h
 
.onoff:
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
cmp [debuggee_pid], 0
jz .doit
cmp [bSuspended], 0
jz .doit
 
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
bt [_eflags], edi
lahf
bt dword [_eflags + oldcontext - context], edi
1213,7 → 1294,7
rcl ah, 1
test ah, 3
jp .doit
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_CHANGED or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_CHANGED or 0x40000000)
 
.doit:
mov ah, 0
1230,11 → 1311,11
; Also show current register set (common + MMX, SSE or AVX)
draw_reg_title:
mov edi, COLOR_BG_NORMAL
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
mov esi, 7
cmp [reg_mode], REG_MODE_CPU
jz @f
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
@@:
movzx edx, [fpu_mode]
mov edx, [btn2_tab+edx*4]
1246,7 → 1327,7
 
cmp [reg_mode], REG_MODE_SSE
jz @f
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
@@:
mov edx, aSSE
; draw a text string in the window
1256,7 → 1337,7
 
cmp [reg_mode], REG_MODE_AVX
jz @f
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
@@:
mov edx, aAVX
; draw a text string in the window
1324,12 → 1405,12
.fpu:
call draw_fpu_regs
@@:
mov ecx, (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE
mov ecx, (0 and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE
cmp [debuggee_pid], 0
jz @f
cmp [bSuspended], 0
jz @f
mov ecx, (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
mov ecx, (0 and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
@@:
mov edx, aColon
xor esi, esi
1404,12 → 1485,12
mov edx, DATA_X_POS*10000h + DUMP_Y_POS
mov ecx, [dumppos]
mov edi, COLOR_BG_NORMAL
mov esi, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
mov esi, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_INACTIVE or 0x40000000)
cmp [debuggee_pid], 0
jz @f
cmp [bSuspended], 0
jz @f
mov esi, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
mov esi, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL or 0x40000000)
@@:
; draw a number in the window
mcall 47
1541,7 → 1622,7
push ebx
lea ecx, [ebx+DISASM_Y_POS-1]
shl ecx, 16
mov cl, 11
mov cl, FONT_Y_SIZE+TEXT_Y_CLEARANCE
; setting up background color for disassembled text
mov edx, COLOR_BG_NORMAL
; draw container rectangle/box with color COLOR_BG_NORMAL (was 0xFFFFFF - white)
1562,26 → 1643,26
sub esi, edx
; normal color
; was 0x40000000
mov ecx, ((FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_LABEL or 0x40000000)
mov ecx, ((FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_LABEL or 0x40000000)
mov al, 4
; draw a text string in the window with color COLOR_TXT_NORMAL in ecx
mcall
mov byte [esi+edx-1], 0
lea esi, [esi*3]
movzx ecx, bx
shr ebx, 16
lea ebx, [ebx+esi*2]
shl ecx, 16
mov cl, 10
imul ebx, 10001h
sub bx, DATA_X_POS
sub bx, word[data_x_size_dd+4]
neg bx
mov al, 13
; lea esi, [esi*3]
; movzx ecx, bx
; shr ebx, 16
; lea ebx, [ebx+esi*2]
; shl ecx, 16
; mov cl, 10
; imul ebx, 10001h
; sub bx, DATA_X_POS
; sub bx, word[data_x_size_dd+4]
; neg bx
; mov al, 13
; copy color value from edi
mov edx, edi
; mov edx, edi
; draw container rectangle/box for disassembled text, color in edx
mcall
; mcall
inc [disasm_cur_str]
mov eax, [disasm_height_dd]
cmp [disasm_cur_str], eax
1593,7 → 1674,7
pop ebp
jc .loopend
mov edx, COLOR_BG_NORMAL
mov esi, (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
mov esi, (FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_NORMAL
mov ebx, DATA_X_POS*10000h
add ebx, [data_x_size_dd+4]
mov ecx, [disasm_cur_str]
1605,7 → 1686,7
popad
jnz .nobp
mov edx, COLOR_BG_BREAKPOINT
mov esi, (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_BREAKPOINT
mov esi, (FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_BREAKPOINT
.nobp:
 
mov eax, [_eip]
1612,7 → 1693,7
cmp eax, ebp
jnz .notcurrent
mov edx, COLOR_BG_SELECTED
mov esi, (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_SELECTED
mov esi, (FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_SELECTED
.notcurrent:
push esi ; Save color value for disassembled text
 
1640,11 → 1721,11
sub ecx, [disasm_start_pos]
add ecx, disasm_buffer
 
mov esi, (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_HEX
mov esi, (FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_HEX
mov eax, [_eip]
cmp eax, ebp
jnz @f
mov esi, (FONT and 11b) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_SELECTED
mov esi, (FONT) shl 28 or ((FONT_MULTIPLIER - 1) and 111b) shl 24 or COLOR_TXT_SELECTED
@@:
.drawhex:
; draw a number in the window, color in esi
1936,4 → 2017,3
ret
 
; vim: ft=fasm tabstop=4
 
/programs/develop/mtdbg/mtdbg.asm
1853,6 → 1853,11
 
include 'disasm.inc'
 
;-----------------------------------------------------------------------------
; Include command history functions
 
include "cmd_hist.inc"
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DATA ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2484,6 → 2489,15
cmdline_y_pos_dd dd ?, ?
registers_y_size_dd dd ?, ?
 
cmd_hist_buffer:
.ptr dd ?
.size dd ?
.last_node_offset dd ?
.new_node_offset dd ?
.cur_node_offset dd ?
.tmp_line_flag db ?
.n_flag db ?
 
i_param rb 256
 
; stack
/programs/develop/mtdbg/mtdbg.txt
1,94 → 1,44
Ââåäåíèå.
 
mtdbg ïðåäñòàâëÿåò ñîáîé îòëàä÷èê äëÿ îïåðàöèîííîé ñèñòåìû Kolibri. Äàííàÿ
äîêóìåíòàöèÿ îïèñûâàåò âîçìîæíîñòè îòëàä÷èêà è ðàáîòó ñ íèì. Åñëè íóæíû
êàêèå-òî âîçìîæíîñòè îòëàä÷èêà, êîòîðûõ åù¸ íåò, ëèáî îáðàùàéòåñü íà ôîðóì
meos.sysbin.com (ðàçäåë "Ïðîãðàììû"), ëèáî ìûëüòå ìíå íà àäðåñ, óêàçàííûé â
êîíöå äàííîãî ôàéëà.
mtdbg ïðåäñòàâëÿåò ñîáîé èíòåðàêòèâíûé îòëàä÷èê äëÿ îïåðàöèîííîé ñèñòåìû KolibriOS. Àâòîð ïðîãðàììû - Åâãåíèé Ãðå÷íèêîâ (Diamond). Äàííàÿ äîêóìåíòàöèÿ îïèñûâàåò âîçìîæíîñòè îòëàä÷èêà è ðàáîòó ñ íèì. Åñëè ó âàñ åñòü êàêèå-ëèáî âîïðîñû ïî ðàáîòå ñ ïðîãðàììîé èëè íóæíû êàêèå-òî âîçìîæíîñòè îòëàä÷èêà, êîòîðûõ åù¸ íåò, îáðàùàéòåñü íà ôîðóì board.kolibrios.org â ñîîòâåòñòâóþùóþ òåìó - http://board.kolibrios.org/viewtopic.php?f=45&t=358, èëè ïî àäðåñó àâòîðà - mailto:diamondz@land.ru.
 
Îáùåå îïèñàíèå.
 
 êàæäûé ìîìåíò âðåìåíè mtdbg ìîæåò îòëàæèâàòü òîëüêî îäíó ïðîãðàììó. Íàçîâ¸ì
òàêóþ ïðîãðàììó çàãðóæåííîé äëÿ îòëàäêè. Åñëè íèêàêàÿ ïðîãðàììà íå çàãðóæåíà,
àáñîëþòíîå áîëüøèíñòâî äåéñòâèé ïî îòëàäêå íåäîñòóïíî.
 êàæäûé ìîìåíò âðåìåíè mtdbg ìîæåò îòëàæèâàòü òîëüêî îäíó ïðîãðàììó. Íàçîâ¸ì òàêóþ ïðîãðàììó çàãðóæåííîé äëÿ îòëàäêè. Åñëè íèêàêàÿ ïðîãðàììà íå çàãðóæåíà, àáñîëþòíîå áîëüøèíñòâî äåéñòâèé ïî îòëàäêå íåäîñòóïíî.
 
mtdbg óïðàâëÿåòñÿ êîìàíäíîé ñòðîêîé, ââîäèìîé ñ êëàâèàòóðû. Êîìàíäíàÿ ñòðîêà
èçîáðàæàåòñÿ â íèæíåé ÷àñòè îêíà îòëàä÷èêà. Îáðàáàòûâàþòñÿ ñòàíäàðòíûå êëàâèøè
ââîäà Backspace,Delete,Home,End,ñòðåëêè âëåâî/âïðàâî.
Êîìàíäû íå÷óâñòâèòåëüíû ê ðåãèñòðó ñèìâîëîâ.  êà÷åñòâå ðàçäåëèòåëÿ
èñïîëüçóåòñÿ ïðîèçâîëüíîå íåíóëåâîå ÷èñëî ïðîáåëîâ.
mtdbg óïðàâëÿåòñÿ êîìàíäíîé ñòðîêîé, ââîäèìîé ñ êëàâèàòóðû. Êîìàíäíàÿ ñòðîêà èçîáðàæàåòñÿ â íèæíåé ÷àñòè îêíà îòëàä÷èêà. Îáðàáàòûâàþòñÿ ñòàíäàðòíûå êëàâèøè ââîäà Backspace, Delete, Home, End, ñòðåëêè âëåâî/âïðàâî, ñòðåëêè ââåðõ/âíèç (ïðîêðó÷èâàíèå èñòîðèè êîìàíä). Êîìàíäû íå÷óâñòâèòåëüíû ê ðåãèñòðó ñèìâîëîâ.  êà÷åñòâå ðàçäåëèòåëÿ èñïîëüçóåòñÿ ïðîèçâîëüíîå íåíóëåâîå ÷èñëî ïðîáåëîâ.
 
 ëþáîé ìîìåíò îòëàä÷èê ìîæíî çàâåðøèòü êîìàíäîé "quit" (áåç àðãóìåíòîâ).
Âïðî÷åì, ìîæíî è ïðîñòî íàæàòü íà êíîïêó çàêðûòèÿ â ëåâîì âåðõíåì óãëó îêíà.
 ëþáîé ìîìåíò îòëàä÷èê ìîæíî çàâåðøèòü êîìàíäîé "quit" (áåç àðãóìåíòîâ). Âïðî÷åì, ìîæíî è ïðîñòî íàæàòü íà êíîïêó çàêðûòèÿ â ïðàâîì âåðõíåì óãëó îêíà.
 
Çàïóñê îòëàä÷èêà áåç ïàðàìåòðîâ êîìàíäíîé ñòðîêè ïðèâîäèò ê òîìó, ÷òî
íèêàêàÿ ïðîãðàììà íå çàãðóæåíà. Òàêæå mtdbg ìîæíî çàïóñêàòü ñ êîìàíäíîé
ñòðîêîé, â ýòîì ñëó÷àå îí ïîïûòàåòñÿ çàãðóçèòü ïðîãðàììó ñ èìåíåì, óêàçàííûì
êàê ïåðâûé àðãóìåíò êîìàíäíîé ñòðîêè, è ïàðàìåòðàìè, óêàçàííûìè êàê
Çàïóñê îòëàä÷èêà áåç ïàðàìåòðîâ êîìàíäíîé ñòðîêè ïðèâîäèò ê òîìó, ÷òî íèêàêàÿ ïðîãðàììà íå çàãðóæåíà. Òàêæå mtdbg ìîæíî çàïóñêàòü ñ êîìàíäíîé
ñòðîêîé, â ýòîì ñëó÷àå îí ïîïûòàåòñÿ çàãðóçèòü ïðîãðàììó ñ èìåíåì, óêàçàííûì êàê ïåðâûé àðãóìåíò êîìàíäíîé ñòðîêè, è ïàðàìåòðàìè, óêàçàííûìè êàê
ïîñëåäóþùèå (åñëè îíè åñòü).
 
Åñëè íèêàêàÿ ïðîãðàììà íå çàãðóæåíà, òî ìîæíî çàãðóçèòü ïðîãðàììó êîìàíäîé
Åñëè íèêàêàÿ ïðîãðàììà íå çàãðóæåíà, òî ìîæíî çàãðóçèòü ïðîãðàììó êîìàíäîé load:
load <ïîëíîå èìÿ èñïîëíÿåìîãî ôàéëà> [<àðãóìåíòû>]
Íàïðèìåð:
load /rd/1/example
LOAD /rd/1/aclock w200 h200
LoaD /hd0/1/menuetos/dosbox/dosbox
Âñ¸, ÷òî ñòîèò ïîñëå ïåðâîãî ïðîáåëà ïîñëå èìåíè èñïîëíÿåìîãî ôàéëà, äîñëîâíî
ïåðåäà¸òñÿ ïðîãðàììå â êà÷åñòâå êîìàíäíîé ñòðîêè.
Êîìàíäà load ñîîáùàåò î ðåçóëüòàòå â îêíå ñîîáùåíèé (íåìíîãî âûøå îêíà
êîìàíäíîé ñòðîêè). Åñëè ïðîãðàììó óäàëîñü çàãðóçèòü, òî îá ýòîì ïîÿâèòñÿ
ñîîòâåòñòâóþùåå ñîîáùåíèå; åñëè íå óäàëîñü, òî â ñîîáùåíèè áóäåò óêàçàíà
ïðè÷èíà îøèáêè. Íàèáîëåå âåðîÿòíàÿ - "file not found", åñëè íåïðàâèëüíî óêàçàíî
èìÿ ôàéëà.
Âñ¸, ÷òî ñòîèò ïîñëå ïåðâîãî ïðîáåëà ïîñëå èìåíè èñïîëíÿåìîãî ôàéëà, äîñëîâíî ïåðåäà¸òñÿ ïðîãðàììå â êà÷åñòâå êîìàíäíîé ñòðîêè.
Êîìàíäà load ñîîáùàåò î ðåçóëüòàòå â îêíå ñîîáùåíèé (íåìíîãî âûøå îêíà êîìàíäíîé ñòðîêè). Åñëè ïðîãðàììó óäàëîñü çàãðóçèòü, òî îá ýòîì ïîÿâèòñÿ ñîîòâåòñòâóþùåå ñîîáùåíèå; åñëè íå óäàëîñü, òî â ñîîáùåíèè áóäåò óêàçàíà ïðè÷èíà îøèáêè. Íàèáîëåå âåðîÿòíàÿ - "file not found", åñëè íåïðàâèëüíî óêàçàíî èìÿ ôàéëà.
 
Îòëàä÷èê ìîæåò çàãðóæàòü ôàéëû ñ èíôîðìàöèåé îá èìåíàõ â ïðîãðàììå (ìåòêè,
ãëîáàëüíûå ïåðåìåííûå) - òåêñòîâûå ôàéëû, êàæäàÿ ñòðîêà êîòîðûõ èìååò âèä
0x<hex_çíà÷åíèå_àäðåñà> <èìÿ>
(ñòðîêè, íå èìåþùèå òàêîé âèä, èãíîðèðóþòñÿ). Òàêîé ôàéë ìîæåò áûòü ñîçäàí
âðó÷íóþ èëè ñãåíåðèðîâàí àâòîìàòè÷åñêè ïðè êîìïèëÿöèè èñõîäíèêà fasm'îì.
ßâíàÿ çàãðóçêà îñóùåñòâëÿåòñÿ êîìàíäîé
Îòëàä÷èê ìîæåò çàãðóæàòü ôàéëû ñ èíôîðìàöèåé îá èìåíàõ â ïðîãðàììå (ìåòêè, ãëîáàëüíûå ïåðåìåííûå) - òåêñòîâûå ôàéëû, êàæäàÿ ñòðîêà êîòîðûõ èìååò âèä 0x<hex_çíà÷åíèå_àäðåñà> <èìÿ> (ñòðîêè, íå èìåþùèå òàêîé âèä, èãíîðèðóþòñÿ). Òàêîé ôàéë ìîæåò áûòü ñîçäàí âðó÷íóþ èëè ñãåíåðèðîâàí àâòîìàòè÷åñêè ïðè êîìïèëÿöèè èñõîäíèêà fasm'îì.
ßâíàÿ çàãðóçêà îñóùåñòâëÿåòñÿ êîìàíäîé load-symbols:
load-symbols <ïîëíîå èìÿ ôàéëà ñèìâîëîâ>
Êðîìå òîãî, ïðè âûïîëíåíèè êîìàíäû load îòëàä÷èê ïðîâåðÿåò íàëè÷èå ôàéëà
ñ òàêèì æå èìåíåì, êàê çàãðóæàåìûé áèíàðíèê, è ðàñøèðåíèåì .dbg
(/rd/1/example.dbg äëÿ ïåðâîì èç ïðèìåðîâ âûøå), è åñëè òàêîé åñòü,
çàãðóæàåò åãî àâòîìàòè÷åñêè (âûäàâàÿ ñîîáùåíèå "Symbols loaded", åñëè âñ¸ â
Êðîìå òîãî, ïðè âûïîëíåíèè êîìàíäû load îòëàä÷èê ïðîâåðÿåò íàëè÷èå ôàéëà ñ òàêèì æå èìåíåì, êàê çàãðóæàåìûé áèíàðíèê, è ðàñøèðåíèåì .dbg (/rd/1/example.dbg äëÿ ïåðâîãî èç ïðèìåðîâ âûøå), è åñëè òàêîé åñòü, çàãðóæàåò åãî àâòîìàòè÷åñêè (âûäàâàÿ ñîîáùåíèå "Symbols loaded", åñëè âñ¸ â
ïîðÿäêå).
 
Ìîæåò ñëó÷èòüñÿ òàê, ÷òî çàãðóæåííàÿ ïðîãðàììà óïàêîâàíà. Îáùèé ïðèíöèï
óïàêîâêè ïðîãðàìì ñëåäóþùèé: ñíà÷àëà èñõîäíûé ôàéë ïàêóåòñÿ (êàêèì-íèáóäü
àëãîðèòìîì ñæàòèÿ), ïîòîì ïðèïèñûâàåòñÿ íåáîëüøîé ïî ðàçìåðó êîä, êîòîðûé
ïîëó÷àåò óïðàâëåíèå ïðè çàïóñêå ïðîãðàììû, ðàñïàêîâûâàåò â ïàìÿòè èñõîäíûé êîä,
ïîñëå ÷åãî ïåðåäà¸ò åìó óïðàâëåíèå. Åñëè ïðîãðàììà óïàêîâàíà, òî å¸ "íàñòîÿùèé"
êîä íå âèäåí è äëÿ îòëàäêè íóæíî ïðåäâàðèòåëüíî ïðîéòè êîä ðàñïàêîâùèêà.
mtdbg îïðåäåëÿåò áîëüøèíñòâî ñóùåñòâóþùèõ óïàêîâùèêîâ (mxp,mxp_lzo,mxp_nrv,
mtappack) è â ýòîì ñëó÷àå ïðåäëàãàåò àâòîìàòè÷åñêè ïðîéòè äî "íàñòîÿùåãî" êîäà.
Ðåêîìåíäóåòñÿ ñîãëàñèòüñÿ (íàæàòü 'y' èëè <Enter>), íî ìîæíî è îòêàçàòüñÿ.
Ïðè îòêàçå è â ñëó÷àå, êîãäà ïðîãðàììà óïàêîâàíà ÷åì-òî íåèçâåñòíûì, ìîæíî
èñïîëüçîâàòü êîìàíäó "unpack" (áåç àðãóìåíòîâ). Âûçûâàéòå å¸ òîëüêî â ñëó÷àå,
êîãäà âû óâåðåíû, ÷òî ïðîãðàììà óïàêîâàíà è ÷òî óïðàâëåíèå åù¸ íå äîøëî äî
îñíîâíîãî êîäà! [Íà÷èíàÿ ñ âåðñèè Kolibri 0.6.5.0, âåñü ýòîò àáçàö óæå
íåàêòóàëåí, ïîñêîëüêó ïðèëîæåíèÿ ìîæíî óïàêîâûâàòü êàê ëþáûå äâîè÷íûå ôàéëû
kpack'îì è ïðè ýòîì êîä ðàñïàêîâùèêà íàõîäèòñÿ â ÿäðå è ðàñïàêîâêà ïðîçðà÷íà
äëÿ îòëàäêè.]
Ìîæåò ñëó÷èòüñÿ òàê, ÷òî çàãðóæåííàÿ ïðîãðàììà óïàêîâàíà. Îáùèé ïðèíöèï óïàêîâêè ïðîãðàìì ñëåäóþùèé: ñíà÷àëà èñõîäíûé ôàéë ïàêóåòñÿ (êàêèì-íèáóäü àëãîðèòìîì ñæàòèÿ), ïîòîì ïðèïèñûâàåòñÿ íåáîëüøîé ïî ðàçìåðó êîä, êîòîðûé ïîëó÷àåò óïðàâëåíèå ïðè çàïóñêå ïðîãðàììû, ðàñïàêîâûâàåò â ïàìÿòè èñõîäíûé êîä, ïîñëå ÷åãî ïåðåäà¸ò åìó óïðàâëåíèå. Åñëè ïðîãðàììà óïàêîâàíà, òî å¸ "íàñòîÿùèé" êîä íå âèäåí è äëÿ îòëàäêè íóæíî ïðåäâàðèòåëüíî ïðîéòè êîä ðàñïàêîâùèêà. mtdbg îïðåäåëÿåò áîëüøèíñòâî ñóùåñòâóþùèõ óïàêîâùèêîâ (mxp, mxp_lzo, mxp_nrv, mtappack) è â ýòîì ñëó÷àå ïðåäëàãàåò àâòîìàòè÷åñêè ïðîéòè äî "íàñòîÿùåãî" êîäà. Ðåêîìåíäóåòñÿ ñîãëàñèòüñÿ (íàæàòü 'y' èëè <Enter>), íî ìîæíî è îòêàçàòüñÿ. Ïðè îòêàçå è â ñëó÷àå, êîãäà ïðîãðàììà óïàêîâàíà ÷åì-òî íåèçâåñòíûì, ìîæíî èñïîëüçîâàòü êîìàíäó "unpack" (áåç àðãóìåíòîâ). Âûçûâàéòå å¸ òîëüêî â ñëó÷àå,
êîãäà âû óâåðåíû, ÷òî ïðîãðàììà óïàêîâàíà è ÷òî óïðàâëåíèå åù¸ íå äîøëî äî îñíîâíîãî êîäà! [Íà÷èíàÿ ñ âåðñèè Kolibri 0.6.5.0, âåñü ýòîò àáçàö óæå íåàêòóàëåí, ïîñêîëüêó ïðèëîæåíèÿ ìîæíî óïàêîâûâàòü êàê è ëþáûå äâîè÷íûå ôàéëû kpack'îì è ïðè ýòîì êîä ðàñïàêîâùèêà íàõîäèòñÿ â ÿäðå è ðàñïàêîâêà ïðîçðà÷íà äëÿ îòëàäêè.]
 
Çàãðóæåííóþ ïðîãðàììó ìîæíî ïðèáèòü êîìàíäîé "terminate" (áåç àðãóìåíòîâ).
Êîìàíäà "detach" (áåç àðãóìåíòîâ) îòêëþ÷àåòñÿ îò ïðîãðàììû, ïîñëå ÷åãî
ïðîãðàììà ïðîäîëæàåò âûïîëíÿòüñÿ íîðìàëüíî, êàê åñëè áû îòëàä÷èêà íå áûëî.
Ïîñëå îáåèõ ýòèõ êîìàíä ïðîãðàììà ïåðåñòà¸ò áûòü îòëàæèâàåìîé.
Çàãðóæåííóþ ïðîãðàììó ìîæíî ïðèáèòü êîìàíäîé "terminate" (áåç àðãóìåíòîâ). Êîìàíäà "detach" (áåç àðãóìåíòîâ) îòêëþ÷àåòñÿ îò ïðîãðàììû, ïîñëå ÷åãî ïðîãðàììà ïðîäîëæàåò âûïîëíÿòüñÿ íîðìàëüíî, êàê åñëè áû îòëàä÷èêà íå áûëî. Ïîñëå îáåèõ ýòèõ êîìàíä ïðîãðàììà ïåðåñòà¸ò áûòü îòëàæèâàåìîé.
 
Ìîæíî çàíîâî çàãðóçèòü ïðîãðàììó äëÿ îòëàäêè êîìàíäîé "reload" (áåç
àðãóìåíòîâ). Åñëè óæå åñòü çàãðóæåííàÿ ïðîãðàììà, òî îíà ïðèáèâàåòñÿ è
çàïóñêàåòñÿ (ñ ñàìîãî íà÷àëà) íîâûé ýêçåìïëÿð (ñ òîé æå êîìàíäíîé ñòðîêîé),
â ýòîì ñëó÷àå êîìàíäà àíàëîãè÷íà êîìàíäàì
Ìîæíî çàíîâî çàãðóçèòü ïðîãðàììó äëÿ îòëàäêè êîìàíäîé "reload" (áåç àðãóìåíòîâ). Åñëè óæå åñòü çàãðóæåííàÿ ïðîãðàììà, òî îíà ïðèáèâàåòñÿ è
çàïóñêàåòñÿ (ñ ñàìîãî íà÷àëà) íîâûé ýêçåìïëÿð (ñ òîé æå êîìàíäíîé ñòðîêîé), â ýòîì ñëó÷àå êîìàíäà àíàëîãè÷íà êîìàíäàì:
terminate
load <last program name> <last program arguments>
 ïðîòèâíîì ñëó÷àå çàíîâî çàãðóæàåòñÿ ïðîãðàììà, êîòîðóþ îòëàæèâàëè ïîñëåäíåé
(â òåêóùåì ñåàíñå ðàáîòû ñ mtdbg) (ñ òîé æå êîìàíäíîé ñòðîêîé), ò.å. ïî÷òè òî
æå ñàìîå, ÷òî è
load <last program name> <last program arguments>,
íî êîìàíäà reload â îáîèõ ñëó÷àÿõ êîðî÷å è óäîáíåå; êðîìå òîãî, load ñ÷èòàåò,
÷òî çàãðóæàåòñÿ íîâàÿ ïðîãðàììà, è ïåðåâîäèò îêíî äàííûõ (ñì. íèæå) íà
íóëåâîé àäðåñ, à reload ñîõðàíÿåò òåêóùèé àäðåñ.
 ïðîòèâíîì ñëó÷àå çàíîâî çàãðóæàåòñÿ ïðîãðàììà, êîòîðóþ îòëàæèâàëè ïîñëåäíåé (â òåêóùåì ñåàíñå ðàáîòû ñ mtdbg) (ñ òîé æå êîìàíäíîé ñòðîêîé), ò.å. ïî÷òè òî æå ñàìîå, ÷òî è load <last program name> <last program arguments>, íî êîìàíäà reload â îáîèõ ñëó÷àÿõ êîðî÷å è óäîáíåå; êðîìå òîãî, load ñ÷èòàåò, ÷òî çàãðóæàåòñÿ íîâàÿ ïðîãðàììà, è ïåðåâîäèò îêíî äàííûõ (ñì. íèæå) íà íóëåâîé àäðåñ, à reload ñîõðàíÿåò òåêóùèé àäðåñ.
 
Âñåãäà äîñòóïíà êîìàíäà "help", êîòîðóþ ìîæíî ñîêðàùàòü äî "h".
Âñå êîìàíäû ðàçáèòû íà ãðóïïû.
102,39 → 52,26
h LoaD
 
Îêíî îòëàä÷èêà ñîñòîèò èç ñëåäóþùèõ ýëåìåíòîâ, ïåðå÷èñëÿåìûõ ñâåðõó âíèç:
- ñòðîêà ñîñòîÿíèÿ. Ïðè íàëè÷èè çàãðóæåííîé ïðîãðàììû ïîêàçûâàåò åå èìÿ è
ñîñòîÿíèå ("Running"/"Paused"), ïðè îòñóòñòâèè ñîîáùàåò "No program loaded".
- îêíî ðåãèñòðîâ - ïîêàçûâàåò çíà÷åíèÿ ðåãèñòðîâ îáùåãî íàçíà÷åíèÿ, ðåãèñòðà
eip è ðåãèñòðà ôëàãîâ. Ïîñëåäíèé çàïèñàí äâóìÿ ñïîñîáàìè: ïîëíîå hex-çíà÷åíèå
è ñîñòîÿíèÿ îòäåëüíûõ ôëàãîâ: CF,PF,AF,ZF,SF,DF,OF: åñëè ôëàã ñáðîøåí, òî
èçîáðàæàåòñÿ ìàëåíüêàÿ áóêâà, åñëè óñòàíîâëåí, òî çàãëàâíàÿ.
Ðåãèñòðû, èçìåíèâøèåñÿ ñ ïðåäûäóùåãî ìîìåíòà, ïîäñâå÷èâàþòñÿ çåëåíûì.
- ñòðîêà ñîñòîÿíèÿ. Ïðè íàëè÷èè çàãðóæåííîé ïðîãðàììû ïîêàçûâàåò åå èìÿ è ñîñòîÿíèå ("Running"/"Paused"), ïðè îòñóòñòâèè ñîîáùàåò "No program loaded".
- îêíî ðåãèñòðîâ - ïîêàçûâàåò çíà÷åíèÿ ðåãèñòðîâ îáùåãî íàçíà÷åíèÿ, ðåãèñòðà eip, ðåãèñòðà ôëàãîâ è ðåãèñòðîâ FPU/MMX. Ðåãèñòð ôëàãîâ îòîáðàæàåòñÿ äâóìÿ ñïîñîáàìè: ïîëíîå hex-çíà÷åíèå è ñîñòîÿíèÿ îòäåëüíûõ ôëàãîâ: CF,PF,AF,ZF,SF,DF,OF: åñëè ôëàã ñáðîøåí, òî èçîáðàæàåòñÿ ìàëåíüêàÿ áóêâà, åñëè óñòàíîâëåí, òî çàãëàâíàÿ. Ðåãèñòðû, èçìåíèâøèåñÿ ñ ïðåäûäóùåãî ìîìåíòà, ïîäñâå÷èâàþòñÿ îðàíæåâûì.
- îêíî äàííûõ (îêíî äàìïà) - ïîêàçûâàåò ñîäåðæèìîå ïàìÿòè çàãðóæåííîé ïðîãðàììû
- îêíî êîäà (îêíî äèçàññåìáëåðà) - ïîêàçûâàåò êîä ïðîãðàììû â âèäå
äèçàññåìáëèðîâàííûõ èíñòðóêöèé
- îêíî êîäà (îêíî äèçàññåìáëåðà) - ïîêàçûâàåò êîä ïðîãðàììû â âèäå äèçàññåìáëèðîâàííûõ èíñòðóêöèé
- îêíî ñîîáùåíèé
- îêíî êîìàíäíîé ñòðîêè
 
 îêíå äàìïà ìîæíî ïðîñìàòðèâàòü äàííûå, íà÷èíàÿ ñ ëþáîãî àäðåñà, äëÿ ýòîãî
åñòü êîìàíäà
 îêíå äàìïà ìîæíî ïðîñìàòðèâàòü äàííûå, íà÷èíàÿ ñ ëþáîãî àäðåñà, äëÿ ýòîãî åñòü êîìàíäà:
d <âûðàæåíèå>
Êîìàíäà d áåç àðãóìåíòîâ ïðîëèñòûâàåò îêíî äàìïà âíèç.
Òî æå ñàìîå îòíîñèòñÿ ê îêíó êîäà è êîìàíäå
u <âûðàæåíèå>
èëè ïðîñòî u.
Êîìàíäà d áåç àðãóìåíòîâ ïðîëèñòûâàåò îêíî äàìïà âíèç. Òî æå ñàìîå îòíîñèòñÿ ê îêíó êîäà è êîìàíäå u <âûðàæåíèå> èëè ïðîñòî u.
Íàïðèìåð:
d esi - ïîêàçûâàåò äàííûå, íàõîäÿùèåñÿ ïî àäðåñó esi (íàïðèìåð, ïîëåçíà ïåðåä
âûïîëíåíèåì èíñòðóêöèè rep movsb)
d esi - ïîêàçûâàåò äàííûå, íàõîäÿùèåñÿ ïî àäðåñó esi (íàïðèìåð, ïîëåçíà ïåðåä âûïîëíåíèåì èíñòðóêöèè rep movsb)
d esp - ïîêàçûâàåò ñòåê
u eip - äèçàññåìáëèðóåò èíñòðóêöèè, íà÷èíàÿ ñ òåêóùåé
 
Âûðàæåíèÿ â mtdbg ìîãóò âêëþ÷àòü
- øåñòíàäöàòåðè÷íûå êîíñòàíòû
- èìåíà âñåõ ðåãèñòðîâ îáùåãî íàçíà÷åíèÿ (8 32-áèòíûõ, 8 16-áèòíûõ è
8 8-áèòíûõ) è ðåãèñòðà eip; çíà÷åíèÿ 16- è 8-áèòíûõ ðåãèñòðîâ ðàñøèðÿþòñÿ
- èìåíà âñåõ ðåãèñòðîâ îáùåãî íàçíà÷åíèÿ (8 32-áèòíûõ, 8 16-áèòíûõ è 8 8-áèòíûõ) è ðåãèñòðà eip; çíà÷åíèÿ 16- è 8-áèòíûõ ðåãèñòðîâ ðàñøèðÿþòñÿ
íóëÿìè äî 32 áèò
- ÷åòûðå àðèôìåòè÷åñêèå îïåðàöèè +,-,*,/ (ñî ñòàíäàðòíûìè ïðèîðèòåòàìè) è
ñêîáêè
- ÷åòûðå àðèôìåòè÷åñêèå îïåðàöèè +,-,*,/ (ñî ñòàíäàðòíûìè ïðèîðèòåòàìè) è ñêîáêè
- [åñëè åñòü èíôîðìàöèÿ î ñèìâîëàõ] èìåíà, çàãðóæåííûå èç dbg-ôàéëà
Âñå âû÷èñëåíèÿ ïðîèçâîäÿòñÿ ïî ìîäóëþ 2^32.
Ïðèìåðû âûðàæåíèé:
145,80 → 82,39
ax + 2* bH*(eip+a73)
3*esi*di/EAX
Êîìàíäà
? <âûðàæåíèå>
âû÷èñëÿåò çíà÷åíèå óêàçàííîãî âûðàæåíèÿ.
? <âûðàæåíèå> âû÷èñëÿåò çíà÷åíèå óêàçàííîãî âûðàæåíèÿ.
 
Çíà÷åíèÿ ðåãèñòðîâ çàãðóæåííîé ïðîãðàììû ìîæíî èçìåíÿòü êîìàíäîé r, èìåþùåé
äâå àáñîëþòíî ýêâèâàëåíòíûå ôîðìû:
Çíà÷åíèÿ ðåãèñòðîâ çàãðóæåííîé ïðîãðàììû ìîæíî èçìåíÿòü êîìàíäîé r, èìåþùåé äâå àáñîëþòíî ýêâèâàëåíòíûå ôîðìû:
r <ðåãèñòð> <âûðàæåíèå>
r <ðåãèñòð>=<âûðàæåíèå>
(â îáîèõ ñëó÷àÿõ ìîæíî ðàññòàâëÿòü ïðîáåëû ïî âêóñó).  êà÷åñòâå ðåãèñòðà ìîæíî
óêàçûâàòü ëþáîé èç âûøåóïîìÿíóòûõ - 24 ðåãèñòðà îáùåãî íàçíà÷åíèÿ è eip.
(â îáîèõ ñëó÷àÿõ ìîæíî ðàññòàâëÿòü ïðîáåëû ïî âêóñó).  êà÷åñòâå ðåãèñòðà ìîæíî óêàçûâàòü ëþáîé èç âûøåóïîìÿíóòûõ - 24 ðåãèñòðà îáùåãî íàçíà÷åíèÿ è eip.
 
 
Äîïóñòèì, êîìàíäà load óñïåøíî çàãðóçèëà ïðîãðàììó äëÿ îòëàäêè.
Ñðàçó ïîñëå çàãðóçêè ïðîãðàììà ïðèîñòàíîâëåíà è íå âûïîëíÿåòñÿ.
Íàæàòèå F7 (àíàëîã êîìàíäíîé ñòðîêè - êîìàíäà "s") äåëàåò îäèí øàã â
çàãðóæåííîé ïðîãðàììå, ïîñëå ÷åãî óïðàâëåíèå âîçâðàùàåòñÿ îòëàä÷èêó, êîòîðûé
ïîêàçûâàåò íîâîå ñîäåðæèìîå ðåãèñòðîâ è ïàìÿòè. Ñèñòåìíûé âûçîâ int 40h
(à òàêæå èíñòðóêöèè sysenter è syscall) ïðè ýòîì ñ÷èòàåòñÿ îäíèì øàãîì.
Íàæàòèå F8 (àíàëîã êîìàíäíîé ñòðîêè - êîìàíäà "p") òàêæå äåëàåò øàã â
çàãðóæåííîé ïðîãðàììå, íî ïðè ýòîì âûçîâû ïðîöåäóð, ñòðîêîâûå îïåðàöèè ñ
Äîïóñòèì, êîìàíäà load óñïåøíî çàãðóçèëà ïðîãðàììó äëÿ îòëàäêè. Ñðàçó ïîñëå çàãðóçêè ïðîãðàììà ïðèîñòàíîâëåíà è íå âûïîëíÿåòñÿ.
Íàæàòèå F7 (àíàëîã êîìàíäíîé ñòðîêè - êîìàíäà "s") äåëàåò îäèí øàã â çàãðóæåííîé ïðîãðàììå, ïîñëå ÷åãî óïðàâëåíèå âîçâðàùàåòñÿ îòëàä÷èêó, êîòîðûé ïîêàçûâàåò íîâîå ñîäåðæèìîå ðåãèñòðîâ è ïàìÿòè. Ñèñòåìíûé âûçîâ int 40h (à òàêæå èíñòðóêöèè sysenter è syscall) ïðè ýòîì ñ÷èòàåòñÿ îäíèì øàãîì.
Íàæàòèå F8 (àíàëîã êîìàíäíîé ñòðîêè - êîìàíäà "p") òàêæå äåëàåò øàã â çàãðóæåííîé ïðîãðàììå, íî ïðè ýòîì âûçîâû ïðîöåäóð, ñòðîêîâûå îïåðàöèè ñ
ïðåôèêñîì rep/repz/repnz è öèêëû loop âûïîëíÿþòñÿ êàê îäèí øàã.
Êîìàíäû ïîøàãîâîãî âûïîëíåíèÿ èñïîëüçóþòñÿ, êàê ïðàâèëî, íà îòäåëüíûõ ó÷àñòêàõ
ïðîãðàììû, êîãäà íóæíî, íàïðèìåð, ðåãóëÿðíî îòñëåæèâàòü çíà÷åíèÿ ðåãèñòðîâ
è/èëè êàêèõ-òî ïåðåìåííûõ â ïàìÿòè.
Êîìàíäà
g <âûðàæåíèå>
âîçîáíîâëÿåò âûïîëíåíèå ïðîãðàììû è æä¸ò, ïîêà óïðàâëåíèå äîéä¸ò äî
eip=ñîîòâåòñòâóþùåìó àäðåñó, à â ýòîò ìîìåíò ïðèîñòàíàâëèâàåò ïðîãðàììó.
Êîìàíäà "g" áåç àðãóìåíòîâ ïðîñòî âîçîáíîâëÿåò âûïîëíåíèå ïðîãðàììû.
Êîìàíäû ïîøàãîâîãî âûïîëíåíèÿ èñïîëüçóþòñÿ, êàê ïðàâèëî, íà îòäåëüíûõ ó÷àñòêàõ ïðîãðàììû, êîãäà íóæíî, íàïðèìåð, ðåãóëÿðíî îòñëåæèâàòü çíà÷åíèÿ ðåãèñòðîâ è/èëè êàêèõ-òî ïåðåìåííûõ â ïàìÿòè.
Êîìàíäà g <âûðàæåíèå> âîçîáíîâëÿåò âûïîëíåíèå ïðîãðàììû è æä¸ò, ïîêà óïðàâëåíèå äîéä¸ò äî eip=ñîîòâåòñòâóþùåìó àäðåñó, è â ýòîò ìîìåíò ïðèîñòàíàâëèâàåò ïðîãðàììó. Êîìàíäà "g" áåç àðãóìåíòîâ ïðîñòî âîçîáíîâëÿåò âûïîëíåíèå ïðîãðàììû.
 
Ïðèîñòàíîâèòü âûïîëíåíèå ïðîãðàììû ìîæíî êîìàíäîé "stop" (áåç àðãóìåíòîâ).
 
Îáû÷íî òðåáóåòñÿ, ÷òîáû ïðîãðàììà íîðìàëüíî âûïîëíÿëàñü, íî ïðè íàñòóïëåíèè
îïðåäåë¸ííûõ óñëîâèé ïðîãðàììà ïðèîñòàíàâàëàñü è óïðàâëåíèå ïîëó÷àë îòëàä÷èê.
Ñîîòâåòñòâóþùèå óñëîâèÿ íàçûâàþòñÿ òî÷êàìè îñòàíîâà, breakpoint(s), â
ïðîñòîðå÷èè - áðÿêàìè. Ïðîñòåéøèé òèï òî÷åê îñòàíîâà - íà êîíêðåòíûé àäðåñ,
ò.å. ïðåðûâàòü âûïîëíåíèå ïðè eip=<çàäàííîå çíà÷åíèå>. Òàêèå òî÷êè îñòàíîâà
óñòàíàâëèâàþòñÿ êîìàíäîé
Îáû÷íî òðåáóåòñÿ, ÷òîáû ïðîãðàììà íîðìàëüíî âûïîëíÿëàñü, íî ïðè íàñòóïëåíèè îïðåäåë¸ííûõ óñëîâèé ïðîãðàììà ïðèîñòàíàâàëàñü è óïðàâëåíèå ïîëó÷àë îòëàä÷èê. Ñîîòâåòñòâóþùèå óñëîâèÿ íàçûâàþòñÿ òî÷êàìè îñòàíîâà, breakpoint(s), â ïðîñòîðå÷èè - áðÿêàìè. Ïðîñòåéøèé òèï òî÷åê îñòàíîâà - íà êîíêðåòíûé àäðåñ, ò.å. ïðåðûâàòü âûïîëíåíèå ïðè eip=<çàäàííîå çíà÷åíèå>. Òàêèå òî÷êè îñòàíîâà óñòàíàâëèâàþòñÿ êîìàíäîé:
bp <âûðàæåíèå>
Çàìå÷àíèå. Åñëè åñòü òîëüêî îäíà òàêàÿ òî÷êà îñòàíîâà, óäîáíåå âìåñòî íå¸
èñïîëüçîâàòü êîìàíäó "g" ñ àðãóìåíòîì.
Çàìå÷àíèå. Åñëè åñòü òîëüêî îäíà òàêàÿ òî÷êà îñòàíîâà, óäîáíåå âìåñòî íå¸ èñïîëüçîâàòü êîìàíäó "g" ñ àðãóìåíòîì.
 
Äðóãîé òèï òî÷åê îñòàíîâà - ïî îáðàùåíèþ ê çàäàííîìó ó÷àñòêó ïàìÿòè.
Òàêèõ òî÷åê îñòàíîâà ìîæåò áûòü íå áîëüøå ÷åòûð¸õ (ïîñêîëüêó èñïîëüçóþòñÿ
Äðóãîé òèï òî÷åê îñòàíîâà - ïî îáðàùåíèþ ê çàäàííîìó ó÷àñòêó ïàìÿòè. Òàêèõ òî÷åê îñòàíîâà ìîæåò áûòü íå áîëüøå ÷åòûð¸õ (ïîñêîëüêó èñïîëüçóþòñÿ
àïïàðàòíûå âîçìîæíîñòè ïðîöåññîðîâ x86, ãäå äîïóñêàþòñÿ òîëüêî 4 òàêèõ òî÷êè).
bpm <âûðàæåíèå> - áðÿêàåòñÿ íà ëþáîé äîñòóï ê áàéòó ïî óêàçàííîìó àäðåñó
bpm w <âûðàæåíèå> - áðÿêàåòñÿ íà çàïèñü áàéòà ïî óêàçàííîìó àäðåñó
bpmb,bpmw,bpmd <âûðàæåíèå> - áðÿêàþòñÿ íà äîñòóï ê ñîîòâåòñòâåííî áàéòó, ñëîâó
è äâîéíîìó ñëîâó ïî óêàçàííîìó àäðåñó. bpm è bpmb - ñèíîíèìû. Ïðè èñïîëüçîâàíèè
bpmw,bpmd àäðåñ äîëæåí áûòü âûðîâíåí ñîîòâåòñòâåííî íà ãðàíèöó ñëîâà (ò.å. áûòü
÷¸òíûì) èëè íà ãðàíèöó äâîéíîãî ñëîâà (ò.å. äåëèòüñÿ íà 4).
bpmb/bpmw/bpmd <âûðàæåíèå> - áðÿêàþòñÿ íà äîñòóï ê ñîîòâåòñòâåííî áàéòó, ñëîâó è äâîéíîìó ñëîâó ïî óêàçàííîìó àäðåñó. bpm è bpmb - ñèíîíèìû. Ïðè èñïîëüçîâàíèè bpmw/bpmd àäðåñ äîëæåí áûòü âûðîâíåí ñîîòâåòñòâåííî íà ãðàíèöó ñëîâà (ò.å. áûòü ÷¸òíûì) èëè íà ãðàíèöó äâîéíîãî ñëîâà (ò.å. äåëèòüñÿ íà 4).
bpmb,bpmw,bpmd w <âûðàæåíèå> - àíàëîãè÷íî äëÿ áðÿêà íà çàïèñü.
 
Ñïèñîê óñòàíîâëåííûõ òî÷åê îñòàíîâà ìîæíî ïðîñìîòðåòü êîìàíäîé "bl", èíôîðìàöèþ
î êîíêðåòíîé òî÷êå îñòàíîâà ìîæíî ïîëó÷èòü ñ ïîìîùüþ "bl <íîìåð>". Íåíóæíûå
òî÷êè îñòàíîâà óäàëÿþòñÿ êîìàíäîé "bc <íîìåð>", âðåìåííî íåíóæíûå ìîæíî
çàïðåòèòü êîìàíäîé "bd <íîìåð>", êîãäà îíè ñòàíóò ñíîâà íóæíû, èñïîëüçóéòå
êîìàíäó "be <íîìåð>".
Ñïèñîê óñòàíîâëåííûõ òî÷åê îñòàíîâà ìîæíî ïðîñìîòðåòü êîìàíäîé "bl", èíôîðìàöèþ î êîíêðåòíîé òî÷êå îñòàíîâà ìîæíî ïîëó÷èòü ñ ïîìîùüþ "bl <íîìåð>". Íåíóæíûå òî÷êè îñòàíîâà óäàëÿþòñÿ êîìàíäîé "bc <íîìåð>", âðåìåííî íåíóæíûå ìîæíî çàïðåòèòü êîìàíäîé "bd <íîìåð>", êîãäà îíè ñòàíóò ñíîâà íóæíû, èñïîëüçóéòå êîìàíäó "be <íîìåð>".
 
Çàìå÷àíèÿ.
 
1. Ïðè îòëàäêå ñîáñòâåííûõ ïðîãðàìì ìîæíî âñòàâëÿòü â êîä èíñòðóêöèè
int3 (îáðàòèòå âíèìàíèå íà îòñóòñòâèå ïðîáåëà!). Òàêàÿ èíñòðóêöèÿ âûçûâàåò
èñêëþ÷åíèå ïðè íîðìàëüíîì çàïóñêå, ÷òî ïðèâåä¸ò ê çàâåðøåíèþ ïðîöåññà,
íî ïðè ðàáîòå ïîä îòëàä÷èêîì ïðîñòî àêòèâèçèðóåòñÿ îòëàä÷èê (ñ ñîîáùåíèåì
"int3 command at xxx"). Ýòî ïîçâîëÿåò íå äóìàòü î òîì, êàêèå àäðåñà
èñïîëüçîâàòü â êîìàíäàõ g è/èëè bp. Ìîæíî òàêæå ãåíåðèðîâàòü ôàéë ñ
èíôîðìàöèåé î ñèìâîëàõ è çàãðóæàòü åãî, òîãäà íå òîëüêî íåò íóæäû
ñàìîñòîÿòåëüíî âû÷èñëÿòü àäðåñà äëÿ "g" è "bp", íî è "u","d","?" áóäóò
ïîíèìàòü óêàçàíèå èìåíè ìåòêè/ïåðåìåííîé.
1. Ïðè îòëàäêå ñîáñòâåííûõ ïðîãðàìì ìîæíî âñòàâëÿòü â êîä èíñòðóêöèè int3 (îáðàòèòå âíèìàíèå íà îòñóòñòâèå ïðîáåëà!). Òàêàÿ èíñòðóêöèÿ âûçûâàåò èñêëþ÷åíèå ïðè íîðìàëüíîì çàïóñêå, ÷òî ïðèâåä¸ò ê çàâåðøåíèþ ïðîöåññà, íî ïðè ðàáîòå ïîä îòëàä÷èêîì ïðîñòî àêòèâèçèðóåòñÿ îòëàä÷èê (ñ ñîîáùåíèåì "int3 command at xxx"). Ýòî ïîçâîëÿåò íå äóìàòü î òîì, êàêèå àäðåñà èñïîëüçîâàòü â êîìàíäàõ g è/èëè bp. Ìîæíî òàêæå ãåíåðèðîâàòü ôàéë ñ èíôîðìàöèåé î ñèìâîëàõ è çàãðóæàòü åãî, òîãäà íå òîëüêî íåò íóæäû ñàìîñòîÿòåëüíî âû÷èñëÿòü àäðåñà äëÿ "g" è "bp", íî è "u","d","?" áóäóò ïîíèìàòü óêàçàíèå èìåíè ìåòêè/ïåðåìåííîé.
2. Âåñü âûâîä è âåñü ââîä îðèåíòèðîâàí íà 16-ðè÷íóþ ñèñòåìó ñ÷èñëåíèÿ.
3. Êîãäà ïðîãðàììà âûïîëíÿåòñÿ, îêíà ðåãèñòðîâ è äàííûõ ïîêàçûâàþò èíôîðìàöèþ,
îòíîñÿùóþñÿ ê ìîìåíòó äî âîçîáíîâëåíèÿ; óñòàíîâêà çíà÷åíèé ðåãèñòðîâ â
ýòîì ðåæèìå íåâîçìîæíà. Âïðî÷åì, êîìàíäà "d" â ýòîì ðåæèìå ïîêàçûâàåò
èíôîðìàöèþ, âåðíóþ â ìîìåíò âûäà÷è êîìàíäû.
3. Êîãäà ïðîãðàììà âûïîëíÿåòñÿ, îêíà ðåãèñòðîâ è äàííûõ ïîêàçûâàþò èíôîðìàöèþ, îòíîñÿùóþñÿ ê ìîìåíòó äî âîçîáíîâëåíèÿ; óñòàíîâêà çíà÷åíèé ðåãèñòðîâ â ýòîì ðåæèìå íåâîçìîæíà. Âïðî÷åì, êîìàíäà "d" â ýòîì ðåæèìå ïîêàçûâàåò èíôîðìàöèþ, âåðíóþ â ìîìåíò âûäà÷è êîìàíäû.
 
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