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Reactos
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/* FUNCTIONS ***************************************************************/
12
13.code64
14
15PUBLIC DbgUserBreakPoint
16DbgUserBreakPoint:
17PUBLIC DbgBreakPoint
18.PROC DbgBreakPoint
19 .endprolog
20 int 3
21 ret
22.ENDP
23
24PUBLIC RtlpBreakWithStatusInstruction
25RtlpBreakWithStatusInstruction:
26PUBLIC DbgBreakPointWithStatus
27.PROC DbgBreakPointWithStatus
28 .endprolog
29 int 3
30 ret
31.ENDP
32
33PUBLIC DebugService2
34DebugService2:
35
36 /* Pass the service number in eax */
37 mov rax, r8
38 int HEX(2D)
39 int 3
40 ret
41
42
43/******************************************************************************
44 * NTSTATUS NTAPI DebugService(
45 * IN ULONG Service, // <rcx> = [rsp + 8]
46 * IN PVOID Buffer, // <rdx> = [rsp + 16]
47 * IN ULONG Length, // <r8> = [rsp + 24]
48 * IN PVOID Argument1, // <r9> = [rsp + 32]
49 * IN PVOID Argument2); // [rsp + 40]
50 */
51PUBLIC DebugService
52DebugService:
53
54 /* Prepare registers for interrupt */
55 mov eax, ecx // Service
56 mov rcx, rdx // Buffer
57 mov edx, r8d // Length
58 mov r8, r9 // Argument1
59 mov r9, [rsp + 40] // Argument2
60
61 /* Call the Interrupt */
62 int HEX(2D)
63 int 3
64
65 /* Return */
66 ret
67
68END