154 lines
2.3 KiB
Groff
154 lines
2.3 KiB
Groff
.TH MDB 1
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.SH NAME
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mdb \- Minix debugger
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.SH SYNOPSIS
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.B mdb
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.RB [ \-fc ]
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.I file
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.br
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.B mdb
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.BR [-L|-l]log\-file
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.I exec-file
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.RI [ core\-file ]
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.RI [ @command\-file ]
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.SH DESCRIPTION
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.de SP
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.if t .sp 0.4
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.if n .sp
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..
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.B mdb
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is the Minix debugger.
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.SH OPTIONS
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Its command line options are:
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.TP
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.B \-f
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Just examine the specified file.
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.TP
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.B \-c
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Examine 'core' file. No exec-file will be supplied.
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.TP
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.B \-Llog\-file
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Log to file only
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.TP
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.B \-llog\-file
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Log to file.
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.SP
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.IR exec\-file
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Unless the -c option has been specified, the exec-file is required.
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.SP
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.IR core\-file
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The core-file is optional.
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.SP
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If the core-file is supplied,
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.B mdb
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assumes that the user wishes to examine the core file.
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Otherwise
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.B mdb
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assumes that the user will run the exec-file and trace it.
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.SP
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.IR @command\-file
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.B mdb
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executes command from command-file.
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.SH OVERVIEW
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.br
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.B mdb
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commands are of the form:
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.I [ expression ]
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.I command
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.SP
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.I expression
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can be of the form:
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.IP
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.I address
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which defaults to text segment
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.IP
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address
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.I overriden
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by
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.I T:
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for Text segment
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or
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.I D:
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for Data segment
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or
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.I S:
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for Stack segment
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.IP
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.I symbol
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where
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.B mdb
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does a lookup for the symbol first as a
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.I text
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symbol and then as a
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.I data
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symbol.
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.SP
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.TP
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.I command
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.SP
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The help command is ?.
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.SP
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For detailed help on a command type:
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.I command ?.
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.SP
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A semi-colon can be used to separate commands on a line.
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.SP
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.SH MDB COMMANDS
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.SP
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! Shell escape
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.SP
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# Set Variable or register
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.SP
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Tt Current call / Backtrace all
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.SP
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/nsf Display for n size s with format f
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.SP
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Xx [n] Disasm / & display reg for n instructions
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.SP
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Rr a Run / with arguments a
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.SP
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Cc [n] Continue with current signal / no signal n times
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.SP
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Ii [n] Single step with / no signal for n instructions
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.SP
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Mm t n Trace until / Stop when modified t type for n instructions
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.SP
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k Kill
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.SP
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Bb Display / Set Break-pt
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.SP
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Dd Delete all / one break-points
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.SP
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P Toggle Pagging
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.SP
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Ll name Log to file name / and to standard output
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.SP
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Vv Toggle debug flag / Version info
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.SP
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V Version info
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.SP
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e [t] List symbols for type t
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.SP
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y Print segment mappings
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.SP
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s [n] Dump stack for n words
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.SP
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z [a] Trace syscalls with address a
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.SP
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? Help - short help
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.SP
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@ file Execute commands from file
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.SP
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Qq Quit / and kill traced process
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.SP
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.SH "SEE ALSO"
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.SP
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trace(2).
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.SH DIAGNOSTICS
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.SH NOTES
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.SH BUGS
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.SH AUTHOR
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Philip Murton and others
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