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[KERNEL] cleaned code and added description of some functions

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git-svn-id: svn://kolibrios.org@9911 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Doczom
2023-04-09 18:19:13 +00:00
parent cf0e9867b0
commit 7028e04565
8 changed files with 483 additions and 400 deletions
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46
kernel/trunk/core/debug.inc
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@@ -44,12 +44,14 @@ get_debuggee_slot:
cli
mov eax, ecx
call pid_to_slot
;call pid_to_appdata
test eax, eax
jz .ret_bad
shl eax, BSF sizeof.APPDATA
push ebx
mov ebx, [current_slot_idx]
cmp [SLOT_BASE + eax + APPDATA.debugger_slot], ebx
;cmp [eax + APPDATA.debugger_slot], ebx
pop ebx
jnz .ret_bad
; clc ; automatically
@@ -64,6 +66,7 @@ debug_detach:
call get_debuggee_slot
jc .ret
and dword [eax + SLOT_BASE + APPDATA.debugger_slot], 0
;and dword [eax + APPDATA.debugger_slot], 0
call do_resume
.ret:
sti
@@ -74,10 +77,13 @@ debug_terminate:
call get_debuggee_slot
jc debug_detach.ret
mov ecx, eax
shr ecx, BSF sizeof.APPDATA
;movzx ecx, ch ; del when sysfn_term... will using APPDATA
; push 2
; pop ebx
mov edx, esi
mov edx, esi ; what?
jmp sysfn_terminate
debug_suspend:
@@ -93,13 +99,15 @@ debug_suspend:
jc .ret
; } End patch
mov cl, [SLOT_BASE + eax + APPDATA.state] ; process state
;mov cl, [eax + APPDATA.state] ; process state
test cl, cl
jz .1
cmp cl, 5
cmp cl, TSTATE_WAITING
jnz .ret
mov cl, 2
mov cl, TSTATE_WAIT_SUSPENDED
.2:
mov [SLOT_BASE + eax + APPDATA.state], cl
;mov [eax + APPDATA.state], cl
.ret:
sti
ret
@@ -109,13 +117,15 @@ debug_suspend:
do_resume:
mov cl, [SLOT_BASE + eax + APPDATA.state]
cmp cl, 1
;mov cl, [eax + APPDATA.state]
cmp cl, TSTATE_RUN_SUSPENDED
jz .1
cmp cl, 2
cmp cl, TSTATE_WAIT_SUSPENDED
jnz .ret
mov cl, 5
mov cl, TSTATE_WAITING
.2:
mov [SLOT_BASE + eax + APPDATA.state], cl
;mov [eax + APPDATA.state], cl
.ret:
ret
.1:
@@ -140,7 +150,7 @@ debug_getcontext:
; ecx=pid
; edx=sizeof(CONTEXT)
; esi->CONTEXT
; destroys eax,ebx,ecx,edx,esi,edi
; destroys eax,ebx,ecx,edx,esi,edi, ebp
xor ebx, ebx ; 0 - get only gp regs
cmp edx, 40
@@ -156,13 +166,17 @@ debug_getcontext:
jc .ret
shr eax, BSF sizeof.APPDATA
;movzx ebp, ah
cmp eax, [fpu_owner]
;cmp ebp, [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]
;mov eax, [eax + APPDATA.pl0_stack]
lea esi, [eax + RING0_STACK_SIZE]
.ring0:
@@ -232,6 +246,7 @@ debug_setcontext:
jc .stiret
; mov esi, edx
mov eax, [eax + SLOT_BASE+APPDATA.pl0_stack]
;mov eax, [eax + APPDATA.pl0_stack]
lea edi, [eax + RING0_STACK_SIZE]
.ring0:
@@ -268,6 +283,7 @@ debug_set_drx:
jc .errret
mov ebp, eax
lea eax, [eax + SLOT_BASE + APPDATA.dbg_regs]
;lea eax, [eax + APPDATA.dbg_regs]
; [eax]=dr0, [eax+4]=dr1, [eax+8]=dr2, [eax+C]=dr3
; [eax+10]=dr7
cmp esi, OS_BASE
@@ -295,17 +311,18 @@ debug_set_drx:
; imul eax, ebp, tss_step/32
; and byte [eax + tss_data + TSS._trap], not 1
and [SLOT_BASE + ebp + APPDATA.dbg_state], not 1
;and [ebp + APPDATA.dbg_state], not 1
.okret:
and dword [esp+32], 0
and dword [esp + SYSCALL_STACK.eax], 0
sti
ret
.errret:
sti
mov dword [esp+32], 1
mov dword [esp + SYSCALL_STACK.eax], 1
ret
.errret2:
sti
mov dword [esp+32], 2
mov dword [esp + SYSCALL_STACK.eax], 2
ret
.new:
; add new breakpoint
@@ -342,6 +359,7 @@ debug_set_drx:
; imul eax, ebp, tss_step/32
; or byte [eax + tss_data + TSS._trap], 1
or [SLOT_BASE + ebp + APPDATA.dbg_state], 1
;or [ebp + APPDATA.dbg_state], 1
jmp .okret
debug_read_process_memory:
@@ -355,13 +373,14 @@ debug_read_process_memory:
call get_debuggee_slot
jc .err
shr eax, BSF sizeof.APPDATA
;movzx eax,ah
mov ecx, edi
call read_process_memory
sti
mov dword [esp+32], eax
mov dword [esp + SYSCALL_STACK.eax], eax
ret
.err:
or dword [esp+32], -1
or dword [esp + SYSCALL_STACK.eax], -1
ret
debug_write_process_memory:
@@ -375,10 +394,11 @@ debug_write_process_memory:
call get_debuggee_slot
jc debug_read_process_memory.err
shr eax, BSF sizeof.APPDATA
;movzx eax,ah
mov ecx, edi
call write_process_memory
sti
mov [esp+32], eax
mov [esp + SYSCALL_STACK.eax], eax
ret
debugger_notify: