sdk/lib/rtl/amd64/debug_asm.S

   1 /*
   2  * COPYRIGHT:         See COPYING in the top level directory
   3  * PROJECT:           ReactOS Run-Time Library
   4  * PURPOSE:           Debug Routines
   5  * FILE:              lib/rtl/amd64/debug_asm.S
   6  * PROGRAMER:         Timo Kreuzer (timo.kreuzer@reactos.org)
   7  */
   8
   9 #include <asm.inc>
  10
  11 /* GLOBALS ****************************************************************/
  12
  13 PUBLIC DbgBreakPoint
  14 PUBLIC DbgBreakPointWithStatus
  15 PUBLIC DbgUserBreakPoint
  16 PUBLIC DebugService
  17 PUBLIC DebugService2
  18 PUBLIC DbgBreakPointNoBugCheck
  19 PUBLIC RtlpBreakWithStatusInstruction
  20
  21 /* FUNCTIONS ***************************************************************/
  22
  23 .code64
  24
  25 .PROC DbgBreakPointNoBugCheck
  26     .endprolog
  27     int 3
  28     ret
  29 .ENDP
  30
  31 DbgUserBreakPoint:
  32 .PROC DbgBreakPoint
  33     .endprolog
  34     int 3
  35     ret
  36 .ENDP
  37
  38 .PROC DbgBreakPointWithStatus
  39     .endprolog
  40     mov eax, ecx
  41 .ENDP
  42
  43 .PROC RtlpBreakWithStatusInstruction
  44     .endprolog
  45     int 3
  46     ret
  47 .ENDP
  48
  49 DebugService2:
  50
  51     /* Pass the service number in eax */
  52     mov rax, r8
  53     int HEX(2D)
  54     int 3
  55     ret
  56
  57
  58 /******************************************************************************
  59  * NTSTATUS NTAPI DebugService(
  60  *     IN ULONG Service,    // <rcx> = [rsp + 8]
  61  *     IN PVOID Buffer,     // <rdx> = [rsp + 16]
  62  *     IN ULONG Length,     // <r8>  = [rsp + 24]
  63  *     IN PVOID Argument1,  // <r9>  = [rsp + 32]
  64  *     IN PVOID Argument2); //         [rsp + 40]
  65  */
  66 DebugService:
  67
  68     /* Prepare registers for interrupt */
  69     mov eax, ecx       // Service
  70     mov rcx, rdx       // Buffer
  71     mov edx, r8d       // Length
  72     mov r8, r9         // Argument1
  73     mov r9, [rsp + 40] // Argument2
  74
  75     /* Call the Interrupt */
  76     int HEX(2D)
  77     int 3
  78
  79    /* Return */
  80     ret
  81
  82 END