5,13 → 5,13 |
reg_eflags equ ebp+12 |
reg_esp equ ebp+16 |
reg_ss equ ebp+20 |
fpu_ctrl equ ebp-28 |
;fpu_ctrl equ ebp-28 |
|
align 4 |
except_16: |
push ebp |
mov ebp, esp |
sub esp, 28 |
; sub esp, 28 |
|
push eax |
push ebx |
41,12 → 41,54 |
iretd |
|
.default: |
pop edx |
pop ecx |
pop ebx |
pop eax |
leave |
|
fnstenv [fpu_ctrl] |
fnclex |
or word [fpu_ctrl], 0111111b |
fldenv [fpu_ctrl] |
save_ring3_context ;debugger support |
|
mov bl, 16 |
jmp exc_c |
|
; fnstenv [fpu_ctrl] |
; fnclex |
; or word [fpu_ctrl], 0111111b |
; fldenv [fpu_ctrl] |
|
; pop edx |
; pop ecx |
; pop ebx |
; pop eax |
|
; leave |
; iretd |
|
align 16 |
except_19: |
push ebp |
mov ebp, esp |
|
push eax |
push ebx |
push ecx |
push edx |
|
mov ebx, [ss:CURRENT_TASK] |
shl ebx, 8 |
|
mov eax, [ss:ebx+PROC_BASE+APPDATA.sse_handler] |
test eax, eax |
jz .default |
|
mov ecx, [reg_eip] |
mov edx, [reg_esp] |
sub edx, 4 |
mov [ss:edx+new_app_base], ecx |
mov [reg_esp], edx |
mov dword [reg_eip], eax |
|
pop edx |
pop ecx |
pop ebx |
55,10 → 97,21 |
leave |
iretd |
|
.default: |
pop edx |
pop ecx |
pop ebx |
pop eax |
leave |
|
save_ring3_context ;debugger support |
|
mov bl, 19 |
jmp exc_c |
|
restore reg_eip |
restore reg_cs |
restore reg_eflags |
restore reg_esp |
restore reg_ss |
restore fpu_ctrl |
;restore fpu_ctrl |