reactos/lib/rtl/i386/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/i386/debug.S
   6  * PROGRAMER:         Alex Ionescu (alex@relsoft.net)
   7  */
   8
   9 #include <asm.inc>
  10
  11 /* FUNCTIONS ***************************************************************/
  12
  13 .code
  14
  15 PUBLIC _DbgBreakPointNoBugCheck@0
  16 FUNC _DbgBreakPointNoBugCheck@0
  17     FPO 0, 0, 0, 0, 0, FRAME_FPO
  18
  19     /* Do breakpoint */
  20     int 3
  21     ret
  22
  23 ENDFUNC
  24
  25
  26 PUBLIC _DbgUserBreakPoint@0
  27 _DbgUserBreakPoint@0:
  28 PUBLIC _DbgBreakPoint@0
  29 FUNC _DbgBreakPoint@0
  30     FPO 0, 0, 0, 0, 0, FRAME_FPO
  31
  32     /* Do breakpoint */
  33     int 3
  34     ret
  35
  36 ENDFUNC
  37
  38
  39 PUBLIC _DbgBreakPointWithStatus@4
  40 FUNC _DbgBreakPointWithStatus@4
  41     FPO 0, 1, 0, 0, 0, FRAME_FPO
  42
  43     /* Put Status in EAX */
  44     mov eax, [esp+4]
  45
  46 PUBLIC _RtlpBreakWithStatusInstruction@0
  47 GLOBAL_LABEL _RtlpBreakWithStatusInstruction@0
  48
  49     /*
  50      * Do a "labeled" breakpoint -- the KD data block has a "BreakpointWithStatus" field
  51      * pointing to this label, letting a debugger easily check that a breakpoint has occured here
  52      * and thereby know that there is a Status for it to retrieve from EAX
  53      *
  54      * In other words, Status is passed as an argument directly to the debugger
  55      */
  56     int 3
  57     ret 4
  58
  59 ENDFUNC
  60
  61
  62 PUBLIC _DebugService2@12
  63 FUNC _DebugService2@12
  64     FPO 0, 3, 3, 0, 1, FRAME_NONFPO
  65
  66     /* Set up the stack */
  67     push ebp
  68     mov ebp, esp
  69
  70     /* Call the interrupt */
  71     mov eax, [ebp+16]
  72     mov ecx, [ebp+8]
  73     mov edx, [ebp+12]
  74     int HEX(2D)
  75     int 3
  76
  77     /* Return */
  78     pop ebp
  79     ret 12
  80
  81 ENDFUNC
  82
  83
  84 PUBLIC _DebugService@20
  85 FUNC _DebugService@20
  86     FPO 0, 5, 3, 0, 1, FRAME_NONFPO
  87
  88     /* Set up the stack */
  89     push ebp
  90     mov ebp, esp
  91
  92     /* Save non-volatiles */
  93     push ebx
  94     push edi
  95
  96     /* Call the Interrupt */
  97     mov eax, [ebp+8]
  98     mov ecx, [ebp+12]
  99     mov edx, [ebp+16]
 100     mov ebx, [ebp+20]
 101     mov edi, [ebp+24]
 102     int HEX(2D)
 103     int 3
 104
 105     /* Restore non-volatiles */
 106     pop edi
 107     pop ebx
 108
 109     /* Return */
 110     pop ebp
 111     ret 20
 112
 113 ENDFUNC
 114
 115 END