1 | ; $Id: RTAssertDoBreakpoint-r0drv-os2.asm 8256 2008-04-21 20:53:28Z vboxsync $
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2 | ;; @file
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3 | ; IPRT - DevHelp_GetDOSVar, Ring-0 Driver, OS/2.
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4 | ;
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5 |
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6 | ;
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7 | ; Copyright (c) 1999-2007 knut st. osmundsen <bird-src-spam@anduin.net>
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8 | ;
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9 | ; Permission is hereby granted, free of charge, to any person
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10 | ; obtaining a copy of this software and associated documentation
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11 | ; files (the "Software"), to deal in the Software without
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12 | ; restriction, including without limitation the rights to use,
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13 | ; copy, modify, merge, publish, distribute, sublicense, and/or sell
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14 | ; copies of the Software, and to permit persons to whom the
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15 | ; Software is furnished to do so, subject to the following
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16 | ; conditions:
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17 | ;
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18 | ; The above copyright notice and this permission notice shall be
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19 | ; included in all copies or substantial portions of the Software.
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20 | ;
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21 | ; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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22 | ; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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23 | ; OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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24 | ; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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25 | ; HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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26 | ; WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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27 | ; FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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28 | ; OTHER DEALINGS IN THE SOFTWARE.
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29 | ;
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30 |
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31 |
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32 | ;*******************************************************************************
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33 | ;* Header Files *
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34 | ;*******************************************************************************
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35 | %define RT_INCL_16BIT_SEGMENTS
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36 | %include "iprt/asmdefs.mac"
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37 |
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38 |
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39 | ;*******************************************************************************
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40 | ;* Defined Constants And Macros *
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41 | ;*******************************************************************************
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42 | %define DevHlp_InternalError 02bh
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43 |
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44 |
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45 | ;*******************************************************************************
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46 | ;* External Symbols *
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47 | ;*******************************************************************************
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48 | extern KernThunkStackTo16
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49 | extern KernThunkStackTo32
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50 | extern NAME(g_szRTAssertMsg)
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51 | extern NAME(g_cchRTAssertMsg)
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52 | extern NAME(g_fpfnDevHlp)
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53 |
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54 |
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55 | BEGINCODE
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56 |
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57 | BEGINPROC_EXPORTED RTAssertDoBreakpoint
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58 | push ebp
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59 | mov ebp, esp
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60 | push esi
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61 | push edi
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62 | push ds
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63 |
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64 | ;
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65 | ; Try detect debug kernel... later one day.
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66 | ;
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67 |
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68 |
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69 | ;
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70 | ; Raise an IPE.
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71 | ;
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72 | call KernThunkStackTo16
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73 | ;jmp far dword NAME(RTAssertDoBreakpoint_16) wrt CODE16
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74 | db 066h
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75 | db 0eah
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76 | dw NAME(RTAssertDoBreakpoint_16) wrt CODE16
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77 | dw CODE16
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78 | BEGINCODE16
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79 | GLOBALNAME RTAssertDoBreakpoint_16
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80 | ; mov ax, seg NAME(g_szRTAssertMsg) - makes wlink crash.
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81 | mov ax, DATA16
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82 | mov ds, ax
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83 | mov si, NAME(g_szRTAssertMsg)
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84 | mov di, [NAME(g_cchRTAssertMsg)]
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85 | mov dl, DevHlp_InternalError
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86 | call far [NAME(g_fpfnDevHlp)]
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87 |
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88 | ; Doesn't normally return, but in case it does...
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89 | ;jmp far dword NAME(RTAssertDoBreakpoint_32)
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90 | db 066h
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91 | db 0eah
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92 | dd NAME(RTAssertDoBreakpoint_32)
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93 | dw TEXT32 wrt FLAT
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94 | BEGINCODE32:
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95 | GLOBALNAME RTAssertDoBreakpoint_32
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96 | call KernThunkStackTo32
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97 | mov eax, 1
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98 | pop ds
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99 | pop edi
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100 | pop esi
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101 | leave
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102 | ret
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103 | ENDPROC RTAssertDoBreakpoint
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104 |
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