| 1 | ;
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| 2 | ; NDEBUG.ASM -- No debugger
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| 3 | ;
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| 4 | ; Copyright (c) 1991-1995 by Eberhard Mattes
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| 5 | ;
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| 6 | ; This file is part of emx.
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| 7 | ;
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| 8 | ; emx is free software; you can redistribute it and/or modify it
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| 9 | ; under the terms of the GNU General Public License as published by
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| 10 | ; the Free Software Foundation; either version 2, or (at your option)
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| 11 | ; any later version.
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| 12 | ;
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| 13 | ; emx is distributed in the hope that it will be useful,
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| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | ; GNU General Public License for more details.
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| 17 | ;
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| 18 | ; You should have received a copy of the GNU General Public License
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| 19 | ; along with emx; see the file COPYING. If not, write to
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| 20 | ; the Free Software Foundation, 59 Temple Place - Suite 330,
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| 21 | ; Boston, MA 02111-1307, USA.
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| 22 | ;
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| 23 | ; See emx.asm for a special exception.
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| 24 | ;
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| 25 |
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| 26 | INCLUDE EMX.INC
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| 27 | INCLUDE PMINT.INC
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| 28 |
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| 29 | PUBLIC STEP_FLAG, DEBUG_AVAIL, DEBUG_SER_FLAG, DEBUG_SER_PORT
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| 30 | PUBLIC DEBUG_EXCEPTION, SET_BREAKPOINT, INS_BREAKPOINTS
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| 31 | PUBLIC DEBUG_RESUME, DEBUG_STEP, DEBUG_QUIT, DEBUG_INIT
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| 32 |
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| 33 | SV_DATA SEGMENT
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| 34 |
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| 35 | STEP_FLAG DB FALSE
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| 36 | DEBUG_AVAIL DB FALSE
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| 37 | DEBUG_SER_FLAG DB FALSE
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| 38 | DEBUG_SER_PORT DW 0
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| 39 |
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| 40 | SV_DATA ENDS
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| 41 |
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| 42 | SV_CODE SEGMENT
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| 43 |
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| 44 | ASSUME CS:SV_CODE, DS:NOTHING
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| 45 |
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| 46 | ;
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| 47 | ; Set EFLAGS for resuming current process (without stepping)
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| 48 | ;
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| 49 | ; In: SS:BP Interrupt/exception stack frame
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| 50 | ;
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| 51 | ASSUME BP:PTR ISTACKFRAME
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| 52 | DEBUG_RESUME PROC NEAR
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| 53 | AND I_EFLAGS, NOT FLAG_TF
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| 54 | OR I_EFLAGS, FLAG_RF
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| 55 | RET
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| 56 | ASSUME BP:NOTHING
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| 57 | DEBUG_RESUME ENDP
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| 58 |
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| 59 |
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| 60 | ;
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| 61 | ; Set EFLAGS for single stepping current process
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| 62 | ;
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| 63 | ; In: SS:BP Interrupt/exception stack frame
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| 64 | ;
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| 65 | ASSUME BP:PTR ISTACKFRAME
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| 66 | DEBUG_STEP PROC NEAR
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| 67 | OR I_EFLAGS, FLAG_TF
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| 68 | RET
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| 69 | ASSUME BP:NOTHING
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| 70 | DEBUG_STEP ENDP
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| 71 |
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| 72 | DEBUG_EXCEPTION PROC NEAR
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| 73 | RET ; Return and dump registers
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| 74 | DEBUG_EXCEPTION ENDP
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| 75 |
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| 76 | SET_BREAKPOINT PROC NEAR
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| 77 | RET
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| 78 | SET_BREAKPOINT ENDP
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| 79 |
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| 80 | INS_BREAKPOINTS PROC NEAR
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| 81 | RET
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| 82 | INS_BREAKPOINTS ENDP
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| 83 |
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| 84 | DEBUG_INIT PROC NEAR
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| 85 | RET
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| 86 | DEBUG_INIT ENDP
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| 87 |
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| 88 | DEBUG_QUIT PROC NEAR
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| 89 | RET
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| 90 | DEBUG_QUIT ENDP
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| 91 |
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| 92 | SV_CODE ENDS
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| 93 |
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| 94 | END
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