reactos/dll/ntdll/dispatch/amd64/dispatch.S

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS kernel
   4  * FILE:            ntdll/dispatch/amd64/dispatch.S
   5  * PURPOSE:         Usermode dispatcher stubs
   6  *
   7  * PROGRAMMER:      Timo kreuzer (timo.kreuzer@reactos.org)
   8  */
   9
  10 /* INCLUDES ******************************************************************/
  11
  12 #include <asm.inc>
  13 #include <ksamd64.inc>
  14
  15 EXTERN NtContinue:PROC
  16 EXTERN LdrpInit:PROC
  17
  18 .code
  19
  20 PUBLIC LdrInitializeThunk
  21 .PROC LdrInitializeThunk
  22     mov rbp, 0
  23     .setframe rbp, 0
  24     .endprolog
  25
  26     /* First parameter is the APC context */
  27     mov rcx, r9
  28     jmp LdrpInit
  29
  30 .ENDP
  31
  32 PUBLIC KiUserApcDispatcher
  33 .PROC KiUserApcDispatcher
  34     .endprolog
  35     /* We enter with a 16 byte aligned stack */
  36
  37     mov rcx, [rsp + CONTEXT_P1Home] /* NormalContext */
  38     mov rdx, [rsp + CONTEXT_P2Home] /* SystemArgument1 */
  39     mov r8, [rsp + CONTEXT_P3Home]  /* SystemArgument2 */
  40     lea r9, [rsp]                   /* Context */
  41     call qword ptr [rsp + CONTEXT_P4Home] /* NormalRoutine */
  42
  43     /* NtContinue(Context, TRUE); */
  44     lea rcx, [rsp]
  45     mov dl, 1
  46     call NtContinue
  47
  48     nop
  49     int 3
  50 .ENDP
  51
  52
  53 PUBLIC KiRaiseUserExceptionDispatcher
  54 .PROC KiRaiseUserExceptionDispatcher
  55     .endprolog
  56     int 3
  57
  58 .ENDP
  59
  60 PUBLIC KiUserCallbackDispatcher
  61 .PROC KiUserCallbackDispatcher
  62     .endprolog
  63     int 3
  64
  65 .ENDP
  66
  67 PUBLIC KiUserExceptionDispatcher
  68 .PROC KiUserExceptionDispatcher
  69     .endprolog
  70     int 3
  71
  72 .ENDP
  73
  74 END
  75