WebSVN – Kolibri OS – Diff – /kernel/trunk/core/debug.inc



;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;                                                              ;;
;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License    ;;
;;                                                              ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

 

$Revision: 9715 $
 
 

                                  ; TODO legacy 32-bit FPU/MMX context
.std_ctx:
        call    get_debuggee_slot
        jc      .ret

 
        shr     eax, BSF sizeof.APPDATA
        cmp     eax, [fpu_owner]
        jne     @f
        inc     bh                ; set swap context flag
@@:
        shl     eax, BSF sizeof.APPDATA
        mov     edi, esi
        mov     eax, [SLOT_BASE + eax + APPDATA.pl0_stack]

        lea     esi, [eax + RING0_STACK_SIZE]
 
.ring0:

        btr     dword [eax + 10h], edx    ; clear L bit
        test    byte [eax + 10h], 55h
        jnz     .okret
;        imul    eax, ebp, tss_step/32
;        and     byte [eax + tss_data + TSS._trap], not 1
        and     [SLOT_BASE + ebp + APPDATA.dbg_state], not 1
.okret:
        and     dword [esp+32], 0
        sti
        ret
.errret:

        not     ebx
        and     [eax + 10h+2], bx
        or      [eax + 10h+2], dx         ; set R/W and LEN fields
;        imul    eax, ebp, tss_step/32
;        or      byte [eax + tss_data + TSS._trap], 1
        or      [SLOT_BASE + ebp + APPDATA.dbg_state], 1
        jmp     .okret

 
debug_read_process_memory:
; in:

; esi=address in debuggee
; out: [esp+36]=sizeof(read)
; destroys all
        call    get_debuggee_slot
        jc      .err
        shr     eax, BSF sizeof.APPDATA
        mov     ecx, edi
        call    read_process_memory
        sti
        mov     dword [esp+32], eax
        ret

; esi=address in debuggee
; out: [esp+36]=sizeof(write)
; destroys all
        call    get_debuggee_slot
        jc      debug_read_process_memory.err
        shr     eax, BSF sizeof.APPDATA
        mov     ecx, edi
        call    write_process_memory
        sti
        mov     [esp+32], eax
        ret

        xchg    ebp, eax
        mov     edi, [timer_ticks]
        add     edi, 500        ; 5 sec timeout
.1:
        mov     eax, ebp
        shl     eax, BSF sizeof.APPDATA
        mov     esi, [SLOT_BASE + eax + APPDATA.dbg_event_mem]
        test    esi, esi
        jz      .ret
; read buffer header
        push    ecx

Rev 9709	Rev 9715
Line 1...	Line 1...
1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2	;; ;;	2	;; ;;
3	;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;	3	;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;;
4	;; Distributed under terms of the GNU General Public License ;;	4	;; Distributed under terms of the GNU General Public License ;;
5	;; ;;	5	;; ;;
6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Line 7...	Line 7...
7		7
Line 8...	Line 8...
8	$Revision: 9709 $	8	$Revision: 9715 $
9		9
10		10
Line 153...	Line 153...
153	; TODO legacy 32-bit FPU/MMX context	153	; TODO legacy 32-bit FPU/MMX context
154	.std_ctx:	154	.std_ctx:
155	call get_debuggee_slot	155	call get_debuggee_slot
156	jc .ret	156	jc .ret
Line 157...	Line 157...
157		157
158	shr eax, 8	158	shr eax, BSF sizeof.APPDATA
159	cmp eax, [fpu_owner]	159	cmp eax, [fpu_owner]
160	jne @f	160	jne @f
161	inc bh ; set swap context flag	161	inc bh ; set swap context flag
162	@@:	162	@@:
163	shl eax, BSF sizeof.APPDATA	163	shl eax, BSF sizeof.APPDATA
164	mov edi, esi	164	mov edi, esi
165	mov eax, [eax+SLOT_BASE+APPDATA.pl0_stack]	165	mov eax, [SLOT_BASE + eax + APPDATA.pl0_stack]
Line 166...	Line 166...
166	lea esi, [eax+RING0_STACK_SIZE]	166	lea esi, [eax + RING0_STACK_SIZE]
167		167
168	.ring0:	168	.ring0:
Line 292...	Line 292...
292	btr dword [eax+10h], edx ; clear L bit	292	btr dword [eax + 10h], edx ; clear L bit
293	test byte [eax+10h], 55h	293	test byte [eax + 10h], 55h
294	jnz .okret	294	jnz .okret
295	; imul eax, ebp, tss_step/32	295	; imul eax, ebp, tss_step/32
296	; and byte [eax + tss_data + TSS._trap], not 1	296	; and byte [eax + tss_data + TSS._trap], not 1
297	and [ebp + SLOT_BASE+APPDATA.dbg_state], not 1	297	and [SLOT_BASE + ebp + APPDATA.dbg_state], not 1
298	.okret:	298	.okret:
299	and dword [esp+32], 0	299	and dword [esp+32], 0
300	sti	300	sti
301	ret	301	ret
302	.errret:	302	.errret:
Line 339...	Line 339...
339	not ebx	339	not ebx
340	and [eax+10h+2], bx	340	and [eax + 10h+2], bx
341	or [eax+10h+2], dx ; set R/W and LEN fields	341	or [eax + 10h+2], dx ; set R/W and LEN fields
342	; imul eax, ebp, tss_step/32	342	; imul eax, ebp, tss_step/32
343	; or byte [eax + tss_data + TSS._trap], 1	343	; or byte [eax + tss_data + TSS._trap], 1
344	or [ebp + SLOT_BASE+APPDATA.dbg_state], 1	344	or [SLOT_BASE + ebp + APPDATA.dbg_state], 1
345	jmp .okret	345	jmp .okret
Line 346...	Line 346...
346		346
347	debug_read_process_memory:	347	debug_read_process_memory:
348	; in:	348	; in:
Line 352...	Line 352...
352	; esi=address in debuggee	352	; esi=address in debuggee
353	; out: [esp+36]=sizeof(read)	353	; out: [esp+36]=sizeof(read)
354	; destroys all	354	; destroys all
355	call get_debuggee_slot	355	call get_debuggee_slot
356	jc .err	356	jc .err
357	shr eax, 8	357	shr eax, BSF sizeof.APPDATA
358	mov ecx, edi	358	mov ecx, edi
359	call read_process_memory	359	call read_process_memory
360	sti	360	sti
361	mov dword [esp+32], eax	361	mov dword [esp+32], eax
362	ret	362	ret
Line 372...	Line 372...
372	; esi=address in debuggee	372	; esi=address in debuggee
373	; out: [esp+36]=sizeof(write)	373	; out: [esp+36]=sizeof(write)
374	; destroys all	374	; destroys all
375	call get_debuggee_slot	375	call get_debuggee_slot
376	jc debug_read_process_memory.err	376	jc debug_read_process_memory.err
377	shr eax, 8	377	shr eax, BSF sizeof.APPDATA
378	mov ecx, edi	378	mov ecx, edi
379	call write_process_memory	379	call write_process_memory
380	sti	380	sti
381	mov [esp+32], eax	381	mov [esp+32], eax
382	ret	382	ret
Line 391...	Line 391...
391	xchg ebp, eax	391	xchg ebp, eax
392	mov edi, [timer_ticks]	392	mov edi, [timer_ticks]
393	add edi, 500 ; 5 sec timeout	393	add edi, 500 ; 5 sec timeout
394	.1:	394	.1:
395	mov eax, ebp	395	mov eax, ebp
396	shl eax, 8	396	shl eax, BSF sizeof.APPDATA
397	mov esi, [SLOT_BASE+eax+APPDATA.dbg_event_mem]	397	mov esi, [SLOT_BASE + eax + APPDATA.dbg_event_mem]
398	test esi, esi	398	test esi, esi
399	jz .ret	399	jz .ret
400	; read buffer header	400	; read buffer header
401	push ecx	401	push ecx

Subversion Repositories Kolibri OS

(root)/kernel/trunk/core/debug.inc – Rev 9709 → 9715