From 7a4d9fd314252151f26a0d63217cf84e97acfc92 Mon Sep 17 00:00:00 2001 From: "Sergey Semyonov (Serge)" Date: Sat, 26 Apr 2014 20:38:36 +0000 Subject: [PATCH] mtdbg: display contents of fpu registers. some bugs still unfixed git-svn-id: svn://kolibrios.org@4900 a494cfbc-eb01-0410-851d-a64ba20cac60 --- programs/develop/mtdbg/gui.inc | 215 ++++++++++++++++++++++++++++++- programs/develop/mtdbg/mtdbg.asm | 15 ++- 2 files changed, 223 insertions(+), 7 deletions(-) diff --git a/programs/develop/mtdbg/gui.inc b/programs/develop/mtdbg/gui.inc index 08885c5a05..997fbd6cc5 100644 --- a/programs/develop/mtdbg/gui.inc +++ b/programs/develop/mtdbg/gui.inc @@ -697,6 +697,12 @@ draw_fpu_register: push edx push ecx push esi + + sub esp, 8 + + fld tword [esi] + fistp qword [esp] + mov eax, esi mov esi, ecx @@ -727,11 +733,15 @@ draw_fpu_register: imul esi, 60000h lea edx, [ebx+esi] mov esi, ecx - pop ecx + + mov ecx, esp + ; draw a number in the window ; color is the same as for previous text draw function ; ebx : [20] show 16 chars set [30] bit - qword mcall 47, 40100101h + add esp, 8 + pop ecx lea ebx, [edx+60000h*18] mov esi, ecx pop ecx @@ -740,6 +750,196 @@ draw_fpu_register: add edx, ecx ret +;----------------------------------------------------------------------------- +; Display FPU register (ST0 - ST7) content +; +; in: esi->value, ebx = coord +draw_fpu_register_2: + +.str_buf equ esp +.bcd_man equ esp+32 +.bcd_exp equ esp+32+12 + + sub esp, 32+12+12 + + mov edx, ebp + shl edx, 4 + + fld tword [_st0+edx] + fldlg2 + fld tword [_st0+edx] + bt dword [_st0+edx+8], 15 + jnc @f + fabs +@@: + fyl2x + frndint + fld st0 + fbstp tword [.bcd_exp] + fldl2t + fmulp + fld st0 + frndint + fxch + fsub st,st1 + + f2xm1 + fld1 + faddp + fscale + fstp st1 + fdivp + fimul dword [_10000000] + fbstp tword [.bcd_man] + + mov eax, 0x20202020 + mov edi, .str_buf + stosd + stosd + stosd + stosd + + lea esi, [.bcd_man-1] + mov edi, .str_buf + + mov ecx, 9 + mov eax, 0x10000 + + mov al, [esi+ecx+1] + cmp al, 0x80 ; check for sign + jne .mantis_2_str + mov al, '-' + stosb + +.mantis_2_str: + + mov al, [esi+ecx] + test al, al + jnz @f + + bt eax, 16 + jc .skip_lb +@@: + mov ah, al + shr al, 4 + jnz .write_h + + bt eax, 16 + jc .skip_hb + +.write_h: + add al, 0x30 + stosb + btr eax, 16 + jnc .skip_hb + mov al, '.' + stosb +.skip_hb: + mov al, ah + and al, 0x0F + jnz .write_lb + + bt eax, 16 + jc .skip_lb +.write_lb: + add al,0x30 + stosb + btr eax, 16 + jnc .skip_lb + mov al, '.' + stosb +.skip_lb: + dec ecx + jnz .mantis_2_str + + mov ax, ' e' + stosw + + lea esi, [.bcd_exp-1] + mov ecx, 9 + mov eax,0x10000 + mov al, [esi+ecx+1] + cmp al, 0x80 + jne .exp_2_str + mov al, '-' + stosb +.exp_2_str: + mov al, [esi+ecx] + test al, al + jnz @f + + bt eax, 16 + jc .skip_lb2 +@@: + mov ah, al + shr al, 4 + jnz .write_h2 + + bt eax, 16 + jc .skip_hb2 +.write_h2: + add al, 0x30 + stosb + btr eax, 16 + stosb +.skip_hb2: + mov al, ah + and al, 0x0F + jnz .write_lb2 + + bt eax, 16 + jc .skip_lb2 +.write_lb2: + add al, 0x30 + stosb + btr eax, 16 +.skip_lb2: + dec ecx + jnz .exp_2_str + + mov ecx, (COLOR_TXT_INACTIVE or 0x40000000) + cmp [debuggee_pid], 0 + jz .do_label + cmp [bSuspended], 0 + jz .do_label + + mov ecx, (COLOR_TXT_NORMAL or 0x40000000) + + mov eax, dword [_st0+edx] + cmp eax, dword [_st0+(oldcontext-context)+edx] + jne .scol + + mov eax, dword [_st0+edx+4] + cmp eax, dword [_st0+(oldcontext-context)+4] + jne .scol + + mov ax, word [_st0+edx+8] + cmp ax, word [_st0+(oldcontext-context)+8] + je .do_label + +.scol: + mov ecx, (COLOR_TXT_CHANGED or 0x40000000) + +.do_label: + ; draw a text string in the window + + mov eax, 4 + mov esi, eax + lea edx, [fpu_strs+ebp*4] + mov edi, COLOR_BG_NORMAL + int 0x40 + + mov esi, 16 + mov edx, .str_buf + add ebx, 0x180000 + int 0x40 + + sub ebx, 0x180000 + add esp, 32+12+12 + + ret + + ;----------------------------------------------------------------------------- ; Show FPU MMX register content ; @@ -911,6 +1111,8 @@ draw_main_registers: ; MMX registers + push ebp + push 8 mov edx, mmx_strs mov ebx, (registers_x_pos+2)*10000h+registers_y_pos+142 @@ -927,20 +1129,23 @@ align 4 ;FPU registers + ;int3 + nop + mov [esp], byte 8 - mov edx, fpu_strs + xor ebp, ebp mov ebx, (registers_x_pos+2)*10000h+registers_y_pos+232 - mov esi, _st0 align 4 .draw_fpu_regs: - call draw_fpu_register + call draw_fpu_register_2 add ebx, 10 - add esi, 16 + inc ebp dec dword [esp] jnz .draw_fpu_regs pop eax ;restore stack + pop ebp mov ecx, COLOR_TXT_INACTIVE cmp [debuggee_pid], 0 diff --git a/programs/develop/mtdbg/mtdbg.asm b/programs/develop/mtdbg/mtdbg.asm index 602323d53b..cb51ad5a1d 100644 --- a/programs/develop/mtdbg/mtdbg.asm +++ b/programs/develop/mtdbg/mtdbg.asm @@ -2328,11 +2328,13 @@ avx_strs: db '-YMM6-' db '-YMM7-' +align 4 debuggee_pid dd 0 bSuspended db 0 bAfterGo db 0 temp_break dd 0 reg_mode db 1 +_10000000 dd 10000000 include 'disasm_tbl.inc' @@ -2442,8 +2444,17 @@ _ctx_flags: dd ? _sse_flags: - dq ? - dq ? + + +_fcw dw ? +_fsw dw ? +_ftw db ? + db ? +_fop dw ? +_fpu_ip dd ? + dw ? + dw ? + dq ? dq ?