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Rev 1276 Rev 1289
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;;                                                              ;;
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;;                                                              ;;
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;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2009. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 1276 $
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$Revision: 1289 $
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.alloc:
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.alloc:
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        call    alloc_page
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        call    alloc_page
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        test    eax, eax
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        test    eax, eax
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        jz      .fail
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        jz      .fail
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        stdcall map_page,[.err_addr],eax,dword PG_UW
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        stdcall map_page,[.err_addr],eax,PG_UW
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        mov     edi, [.err_addr]
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        mov     edi, [.err_addr]
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        and     edi, 0xFFFFF000
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        and     edi, 0xFFFFF000
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.exit:  ;iret with repeat fault instruction
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.exit:  ;iret with repeat fault instruction
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        add     esp,12 ;clear in stack: locals(.err_addr) + #PF + ret_to_caller
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        add     esp,12 ;clear in stack: locals(.err_addr) + #PF + ret_to_caller
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        restore_ring3_context
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        restore_ring3_context
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        iretd
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        iretd
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.err_access:
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; access denied? this may be a result of copy-on-write protection for DLL
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; check list of HDLLs
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        and     ebx, not 0xFFF
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        mov     eax, [CURRENT_TASK]
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        shl     eax, 8
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        lea     eax, [SLOT_BASE+eax+APP_OBJ_OFFSET]
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        mov     esi, [eax+APPOBJ.fd]
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.scan_hdll:
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        cmp     esi, eax
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.err_access  =  .fail
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        jz      .fail
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        cmp     [esi+APPOBJ.magic], 'HDLL'
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        jnz     .scan_hdll.next
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        mov     edx, ebx
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        sub     edx, [esi+HDLL.base]
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        cmp     edx, [esi+HDLL.size]
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        jb      .fault_in_hdll
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.scan_hdll.next:
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        mov     esi, [esi+APPOBJ.fd]
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        jmp     .scan_hdll
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.fault_in_hdll:
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; allocate new page, map it as rw and copy data
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        call    alloc_page
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;íèêîãäà íå ïðîèñõîäèò
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        test    eax, eax
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        jz      .fail
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        stdcall map_page,ebx,eax,PG_UW
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        mov     edi, ebx
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        mov     ecx, 1024
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        sub     ebx, [esi+HDLL.base]
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        mov     esi, [esi+HDLL.parent]
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        mov     esi, [esi+DLLDESCR.data]
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        add     esi, ebx
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        rep     movsd
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       ;jmp     .fail
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        jmp     .exit
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.kernel_space:
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.kernel_space: