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DosDebug Commands: Difference between revisions

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Created page with "{|class="wikitable" |+DosDebug commands !Number||Name||Description |- |0||DBG_C_Null||Null |- |1||DBG_C_ReadMem||Read Word |- |1||DBG_C_ReadMem_I||Read Word |- |2||DBG_C_ReadM..."
 
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!Number||Name||Description
!Number||Name||Description
|-
|-
|0||DBG_C_Null||Null
|0||[[DBG_C_Null]]||Null
|-
|-
|1||DBG_C_ReadMem||Read Word
|1||[[DBG_C_ReadMem]]||Read Word
|-
|-
|1||DBG_C_ReadMem_I||Read Word
|1||[[DBG_C_ReadMem_I]]||Read Word
|-
|-
|2||DBG_C_ReadMem_D||Read Word (same as 1)
|2||[[DBG_C_ReadMem_D]]||Read Word (same as 1)
|-
|-
|3||DBG_C_ReadReg||Read Register Set
|3||[[DBG_C_ReadReg]]||Read Register Set
|-
|-
|4||DBG_C_WriteMem||Write Word
|4||[[DBG_C_WriteMem]]||Write Word
|-
|-
|4||DBG_C_WriteMem_I||Write Word
|4||[[DBG_C_WriteMem_I]]||Write Word
|-
|-
|5||DBG_C_WriteMem_D||Write Word (same as 4)
|5||[[DBG_C_WriteMem_D]]||Write Word (same as 4)
|-
|-
|6||DBG_C_WriteReg||Write Register Set
|6||[[DBG_C_WriteReg]]||Write Register Set
|-
|-
|7||DBG_C_Go||Go
|7||[[DBG_C_Go]]||Go
|-
|-
|8||DBG_C_Term||Terminate
|8||[[DBG_C_Term]]||Terminate
|-
|-
|9||DBG_C_SStep||Single Step
|9||[[DBG_C_SStep]]||Single Step
|-
|-
|10||DBG_C_Stop||Stop
|10||[[DBG_C_Stop]]||Stop
|-
|-
|11||DBG_C_Freeze||Freeze Thread
|11||[[DBG_C_Freeze]]||Freeze Thread
|-
|-
|12||DBG_C_Resume||Resume Thread
|12||[[DBG_C_Resume]]||Resume Thread
|-
|-
|13||DBG_C_NumToAddr||Object Number to Address
|13||[[DBG_C_NumToAddr]]||Object Number to Address
|-
|-
|14||DBG_C_ReadCoRegs||Read Coprocessor Registers
|14||[[DBG_C_ReadCoRegs]]||Read Coprocessor Registers
|-
|-
|15||DBG_C_WriteCoRegs||Write Coprocessor Registers
|15||[[DBG_C_WriteCoRegs]]||Write Coprocessor Registers
|-
|-
|16||Reserved||Reserved
|16||Reserved||Reserved
|-
|-
|17||DBG_C_ThrdStat||Get Thread Status
|17||[[DBG_C_ThrdStat]]||Get Thread Status
|-
|-
|18||DBG_C_MapROAlias||Map Read-Only Alias
|18||[[DBG_C_MapROAlias]]||Map Read-Only Alias
|-
|-
|19||DBG_C_MapRWAlias||Map Read-Write Alias
|19||[[DBG_C_MapRWAlias]]||Map Read-Write Alias
|-
|-
|20||DBG_C_UnMapAlias||Unmap Alias
|20||[[DBG_C_UnMapAlias]]||Unmap Alias
|-
|-
|21||DBG_C_Connect||Connect to Debuggee
|21||[[DBG_C_Connect]]||Connect to Debuggee
|-
|-
|22||DBG_C_ReadMemBuf||Read Memory Buffer
|22||[[DBG_C_ReadMemBuf]]||Read Memory Buffer
|-
|-
|23||DBG_C_WriteMemBuf||Write Memory Buffer
|23||[[DBG_C_WriteMemBuf]]||Write Memory Buffer
|-
|-
|24||DBG_C_SetWatch||Set Watchpoint
|24||[[DBG_C_SetWatch]]||Set Watchpoint
|-
|-
|25||DBG_C_ClearWatch||Clear Watchpoint
|25||[[DBG_C_ClearWatch]]||Clear Watchpoint
|-
|-
|26||DBG_C_RangeStep||Range Step
|26||[[DBG_C_RangeStep]]||Range Step
|-
|-
|27||DBG_C_Continue||Continue
|27||[[DBG_C_Continue]]||Continue
|-
|-
|28||DBG_C_AddrToObject||Get Memory Object Information
|28||[[DBG_C_AddrToObject]]||Get Memory Object Information
|-
|-
|29||DBG_C_XchngOpcode||Exchange Opcode
|29||[[DBG_C_XchngOpcode]]||Exchange Opcode
|-
|-
|30||DBG_C_LinToSel||Translate Linear Address to Segment:Offset
|30||[[DBG_C_LinToSel]]||Translate Linear Address to Segment:Offset
|-
|-
|31||DBG_C_SelToLin||Translate Segment:Offset to Linear Address
|31||[[DBG_C_SelToLin]]||Translate Segment:Offset to Linear Address
|-
| 33 || [[DBG_C_Attach]] || Attach to a Process Command
|-
| 34 || [[DBG_C_Detach]] || Detach from a Process under Debug Command
|-
| 35 || [[DBG_C_RegDebug]] || JIT (Just-in-Time) Debugger Registration/De-Registration Command
|-
| 36 || [[DBG_C_QueryDebug]] || Query JIT (Just-in-Time) Debugger Registered Command
|}
|}
Not all fields must be defined for every DosDebug command. The same field can have a different meaning in different DosDebug commands. For each command, fields in the Debug Buffer structure that are not listed are not useful for that command, but may be modified by DosDebug as required.
Not all fields must be defined for every DosDebug command. The same field can have a different meaning in different DosDebug commands. For each command, fields in the Debug Buffer structure that are not listed are not useful for that command, but may be modified by DosDebug as required.
[[Category:Debug Command]]

Latest revision as of 01:18, 16 May 2025

DosDebug commands
Number Name Description
0 DBG_C_Null Null
1 DBG_C_ReadMem Read Word
1 DBG_C_ReadMem_I Read Word
2 DBG_C_ReadMem_D Read Word (same as 1)
3 DBG_C_ReadReg Read Register Set
4 DBG_C_WriteMem Write Word
4 DBG_C_WriteMem_I Write Word
5 DBG_C_WriteMem_D Write Word (same as 4)
6 DBG_C_WriteReg Write Register Set
7 DBG_C_Go Go
8 DBG_C_Term Terminate
9 DBG_C_SStep Single Step
10 DBG_C_Stop Stop
11 DBG_C_Freeze Freeze Thread
12 DBG_C_Resume Resume Thread
13 DBG_C_NumToAddr Object Number to Address
14 DBG_C_ReadCoRegs Read Coprocessor Registers
15 DBG_C_WriteCoRegs Write Coprocessor Registers
16 Reserved Reserved
17 DBG_C_ThrdStat Get Thread Status
18 DBG_C_MapROAlias Map Read-Only Alias
19 DBG_C_MapRWAlias Map Read-Write Alias
20 DBG_C_UnMapAlias Unmap Alias
21 DBG_C_Connect Connect to Debuggee
22 DBG_C_ReadMemBuf Read Memory Buffer
23 DBG_C_WriteMemBuf Write Memory Buffer
24 DBG_C_SetWatch Set Watchpoint
25 DBG_C_ClearWatch Clear Watchpoint
26 DBG_C_RangeStep Range Step
27 DBG_C_Continue Continue
28 DBG_C_AddrToObject Get Memory Object Information
29 DBG_C_XchngOpcode Exchange Opcode
30 DBG_C_LinToSel Translate Linear Address to Segment:Offset
31 DBG_C_SelToLin Translate Segment:Offset to Linear Address
33 DBG_C_Attach Attach to a Process Command
34 DBG_C_Detach Detach from a Process under Debug Command
35 DBG_C_RegDebug JIT (Just-in-Time) Debugger Registration/De-Registration Command
36 DBG_C_QueryDebug Query JIT (Just-in-Time) Debugger Registered Command

Not all fields must be defined for every DosDebug command. The same field can have a different meaning in different DosDebug commands. For each command, fields in the Debug Buffer structure that are not listed are not useful for that command, but may be modified by DosDebug as required.

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