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1.Add procedure check exception 12 (overflow stack) 2.Add info in reference of function 68,24 (rus) 3.Change max limit size of the load file to 1G, for load big WinApp files. 4.Fix procedure close tcp socket:

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When WinApp create/close socket in loop =>  crash core Kolibri

git-svn-id: svn://kolibrios.org@9976 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Jurgen
2024-02-16 18:07:13 +00:00
parent a0d93dfb0c
commit 34d6f8189f
4 changed files with 65 additions and 17 deletions
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48
kernel/trunk/core/sys32.inc
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@@ -201,11 +201,59 @@ exc_c: ; exceptions (all but 7th - #NM)
iretd
IRetToUserHook:
cmp ebx, 12
je .ex_stack
cmp ebx, 14
jne .nostack
mov ecx, cr2
sub ecx, [reg_esp3]
jg .nostack
add ecx, 1000h
jl .nostack
.ex_stack:
xor ecx, ecx
mov ecx, [ecx+APP_HEADER_01_.except_stack_top]
test ecx, ecx
jle .nostack
xchg edi, eax
sub ecx, sizeof.EXCEPT_STACK
push ebx
push 1
pop ebx
.lock:
lock bts [ecx+EXCEPT_STACK.LockAccess], 0
jnc .lock1
call delay_hs_unprotected
jmp .lock
.lock1:
pop ebx
cmp ebx, 14
jne .ex12
btr [esi+APPDATA.except_mask], 12
jc .ex_stack1
xchg eax, edi
jmp .nostack
.ex_stack1:
bts [esi+APPDATA.except_mask], ebx
dec ebx
dec ebx
.ex12:
mov [ecx+EXCEPT_STACK.ExcCode], ebx
mov eax, ecx
xchg [reg_esp3], eax
mov [ecx+EXCEPT_STACK.OldESP], eax
mov eax, cr2
mov [ecx+EXCEPT_STACK.RegCR2], eax
xchg edi, [reg_eip]
mov [ecx+EXCEPT_STACK.RegEIP], edi
jmp .end
.nostack:
xchg eax, [reg_eip]
sub dword[reg_esp3], 8
mov edi, [reg_esp3]
stosd
mov [edi], ebx
.end:
restore_ring3_context
; simply return control to interrupted process
unknown_interrupt: