| 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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