423 lines
14 KiB
Groff
423 lines
14 KiB
Groff
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.TH WINEDBG 1 "October 2005" "Wine 4.6" "Wine Developers Manual"
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.SH NAME
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winedbg \- Wine debugger
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.SH SYNOPSIS
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.B winedbg
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.RI "[ " options " ] [ " program_name " [ " program_arguments " ] | " wpid " ]"
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.PP
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.B winedbg --gdb
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.RI "[ " options " ] [ " program_name " [ " program_arguments " ] | " wpid " ]"
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.PP
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.BI "winedbg --auto " wpid
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.PP
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.B winedbg --minidump
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.RI "[ " file.mdmp " ] " wpid
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.PP
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.BI "winedbg " file.mdmp
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.SH DESCRIPTION
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.B winedbg
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is a debugger for Wine. It allows:
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.RS 4
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.nf
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+ debugging native Win32 applications
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+ debugging Winelib applications
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+ being a drop-in replacement for Dr Watson
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.fi
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.RE
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.PP
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.SH MODES
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\fBwinedbg\fR can be used in five modes. The first argument to the
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program determines the mode winedbg will run in.
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.IP \fBdefault\fR
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Without any explicit mode, this is standard \fBwinedbg\fR operating
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mode. \fBwinedbg\fR will act as the front end for the user.
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.IP \fB--gdb\fR
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\fBwinedbg\fR will be used as a proxy for \fBgdb\fR. \fBgdb\fR will be
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the front end for command handling, and \fBwinedbg\fR will proxy all
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debugging requests from \fBgdb\fR to the Win32 APIs.
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.IP \fB--auto\fR
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This mode is used when \fBwinedbg\fR is set up in \fIAeDebug\fR
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registry entry as the default debugger. \fBwinedbg\fR will then
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display basic information about a crash. This is useful for users
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who don't want to debug a crash, but rather gather relevant
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information about the crash to be sent to developers.
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.IP \fB--minidump\fR
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This mode is similar to the \fB--auto\fR one, except that instead of
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printing the information on the screen (as \fB--auto\fR does), it's
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saved into a minidump file. The name of the file is either passed on
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the command line, or generated by \fBWineDbg\fR when none is given.
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This file could later on be reloaded into \fBwinedbg\fR for further
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examination.
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.IP \fBfile.mdmp\fR
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In this mode \fBwinedbg\fR reloads the state of a debuggee which
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has been saved into a minidump file. See either the \fBminidump\fR
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command below, or the \fB--minidump mode\fR.
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.SH OPTIONS
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When in \fBdefault\fR mode, the following options are available:
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.PP
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.IP \fB--command\ \fIstring\fR
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\fBwinedbg\fR will execute the command \fIstring\fR as if it was keyed on
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winedbg command line, and then will exit. This can be handy for
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getting the pid of running processes (winedbg --command "info proc").
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.IP \fB--file\ \fIfilename\fR
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\fBwinedbg\fR will execute the list of commands contained in file
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filename as if they were keyed on winedbg command line, and then
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will exit.
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.PP
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When in \fBgdb\fR proxy mode, the following options are available:
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.PP
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.IP \fB--no-start\fR
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\fBgdb\fR will not be automatically
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started. Relevant information for starting \fBgdb\fR is printed on
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screen. This is somehow useful when not directly using \fBgdb\fR but
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some graphical front-ends, like \fBddd\fR or \fBkgbd\fR.
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.IP \fB--port\fR\ \fIport\fR
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Start the \fBgdb\fR server on the given port. If this option is not
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specified, a randomly chosen port will be used. If \fB--no-start\fR is
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specified, the port used will be printed on startup.
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.IP \fB--with-xterm\fR
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This will run \fBgdb\fR in its own xterm instead of using the current
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Unix console for textual display.
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.PP
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In all modes, the rest of the command line, when passed, is used to
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identify which programs, if any, has to debugged:
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.IP \fIprogram_name\fR
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This is the name of an executable to start for a debugging
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session. \fBwinedbg\fR will actually create a process with this
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executable. If \fIprograms_arguments\fR are also given, they will be
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used as arguments for creating the process to be debugged.
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.IP \fIwpid\fR
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\fBwinedbg\fR will attach to the process which Windows pid is \fIwpid\fR.
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Use the \fBinfo proc\fR command within \fBwinedbg\fR to list running processes
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and their Windows pids.
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.IP \fBdefault\fR
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If nothing is specified, you will enter the debugger without any run
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nor attached process. You'll have to do the job yourself.
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.SH COMMANDS
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.SS Default mode, and while reloading a minidump file:
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.PP
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Most of commands used in \fBwinedbg\fR are similar to the ones from
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\fBgdb\fR. Please refer to the \fBgdb\fR documentations for some more
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details. See the \fIgdb\ differences\fR section later on to get a list
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of variations from \fBgdb\fR commands.
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.PP
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\fIMisc. commands\fR
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.IP \fBabort\fR
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Aborts the debugger.
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.IP \fBquit\fR
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Exits the debugger.
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.IP \fBattach\ \fIN\fR
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Attach to a Wine process (\fIN\fR is its Windows ID, numeric or hexadecimal).
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IDs can be obtained using the \fBinfo\ process\fR command. Note the
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\fBinfo\ process\fR command returns hexadecimal values
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.IP
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.IP \fBdetach\fR
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Detach from a Wine-process.
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.PP
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\fIHelp commands\fR
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.IP \fBhelp\fR
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Prints some help on the commands.
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.IP \fBhelp\ info\fR
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Prints some help on info commands
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.PP
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\fIFlow control commands\fR
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.IP \fBcont\fR
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Continue execution until next breakpoint or exception.
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.IP \fBpass\fR
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Pass the exception event up to the filter chain.
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.IP \fBstep\fR
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Continue execution until next C line of code (enters function call)
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.IP \fBnext\fR
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Continue execution until next C line of code (doesn't enter function
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call)
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.IP \fBstepi\fR
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Execute next assembly instruction (enters function call)
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.IP \fBnexti\fR
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Execute next assembly instruction (doesn't enter function call)
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.IP \fBfinish\fR
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Execute until return of current function is reached.
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.PP
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\fBcont\fR, \fBstep\fR, \fBnext\fR, \fBstepi\fR, \fBnexti\fR can be
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postfixed by a number (N), meaning that the command must be executed N
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times before control is returned to the user.
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.PP
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\fIBreakpoints, watchpoints
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.IP \fBenable\ \fIN\fR
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Enables (break|watch)-point \fIN\fR
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.IP \fBdisable\ \fIN\fR
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Disables (break|watch)-point \fIN\fR
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.IP \fBdelete\ \fIN\fR
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Deletes (break|watch)-point \fIN\fR
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.IP \fBcond\ \fIN\fR
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Removes any existing condition to (break|watch)-point \fIN\fR
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.IP \fBcond\ \fIN\ expr\fR
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Adds condition \fIexpr\fR to (break|watch)-point
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\fIN\fR. \fIexpr\fR will be evaluated each time the
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(break|watch)-point is hit. If the result is a zero value, the
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breakpoint isn't triggered.
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.IP \fBbreak\ *\ \fIN\fR
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Adds a breakpoint at address \fIN\fR
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.IP \fBbreak\ \fIid\fR
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Adds a breakpoint at the address of symbol \fIid\fR
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.IP \fBbreak\ \fIid\ N\fR
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Adds a breakpoint at the line \fIN\fR inside symbol \fIid\fR.
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.IP \fBbreak\ \fIN\fR
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Adds a breakpoint at line \fIN\fR of current source file.
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.IP \fBbreak\fR
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Adds a breakpoint at current \fB$PC\fR address.
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.IP \fBwatch\ *\ \fIN\fR
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Adds a watch command (on write) at address \fIN\fR (on 4 bytes).
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.IP \fBwatch\ \fIid\fR
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Adds a watch command (on write) at the address of symbol
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\fIid\fR. Size depends on size of \fIid\fR.
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.IP \fBrwatch\ *\ \fIN\fR
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Adds a watch command (on read) at address \fIN\fR (on 4 bytes).
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.IP \fBrwatch\ \fIid\fR
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Adds a watch command (on read) at the address of symbol
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\fIid\fR. Size depends on size of \fIid\fR.
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.IP \fBinfo\ break\fR
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Lists all (break|watch)-points (with their state).
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.PP
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You can use the symbol \fBEntryPoint\fR to stand for the entry point of the Dll.
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.PP
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When setting a (break|watch)-point by \fIid\fR, if the symbol cannot
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be found (for example, the symbol is contained in a not yet loaded
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module), \fBwinedbg\fR will recall the name of the symbol and will try
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to set the breakpoint each time a new module is loaded (until it succeeds).
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.PP
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\fIStack manipulation\fR
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.IP \fBbt\fR
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Print calling stack of current thread.
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.IP \fBbt\ \fIN\fR
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Print calling stack of thread of ID \fIN\fR. Note: this doesn't change
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the position of the current frame as manipulated by the \fBup\fR &
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\fBdn\fR commands).
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.IP \fBup\fR
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Goes up one frame in current thread's stack
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.IP \fBup\ \fIN\fR
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Goes up \fIN\fR frames in current thread's stack
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.IP \fBdn\fR
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Goes down one frame in current thread's stack
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.IP \fBdn\ \fIN\fR
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Goes down \fIN\fR frames in current thread's stack
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.IP \fBframe\ \fIN\fR
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Sets \fIN\fR as the current frame for current thread's stack.
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.IP \fBinfo\ locals\fR
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Prints information on local variables for current function frame.
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.PP
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\fIDirectory & source file manipulation\fR
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.IP \fBshow\ dir\fR
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Prints the list of dirs where source files are looked for.
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.IP \fBdir\ \fIpathname\fR
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Adds \fIpathname\fR to the list of dirs where to look for source
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files
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.IP \fBdir\fR
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Deletes the list of dirs where to look for source files
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.IP \fBsymbolfile\ \fIpathname\fR
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Loads external symbol definition file \fIpathname\fR
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.IP \fBsymbolfile\ \fIpathname\ N\fR
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Loads external symbol definition file \fIpathname\fR (applying
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an offset of \fIN\fR to addresses)
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.IP \fBlist\fR
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Lists 10 source lines forwards from current position.
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.IP \fBlist\ -\fR
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Lists 10 source lines backwards from current position
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.IP \fBlist\ \fIN\fR
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Lists 10 source lines from line \fIN\fR in current file
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.IP \fBlist\ \fIpathname\fB:\fIN\fR
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Lists 10 source lines from line \fIN\fR in file \fIpathname\fR
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.IP \fBlist\ \fIid\fR
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Lists 10 source lines of function \fIid\fR
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.IP \fBlist\ *\ \fIN\fR
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Lists 10 source lines from address \fIN\fR
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.PP
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You can specify the end target (to change the 10 lines value) using
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the ',' separator. For example:
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.IP \fBlist\ 123,\ 234\fR
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lists source lines from line 123 up to line 234 in current file
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.IP \fBlist\ foo.c:1,56\fR
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lists source lines from line 1 up to 56 in file foo.c
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.PP
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\fIDisplaying\fR
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.PP
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A display is an expression that's evaluated and printed after the
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execution of any \fBwinedbg\fR command.
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.IP \fBdisplay\fR
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.IP \fBinfo\ display\fR
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Lists the active displays
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.IP \fBdisplay\ \fIexpr\fR
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Adds a display for expression \fIexpr\fR
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.IP \fBdisplay\ /\fIfmt\ \fIexpr\fR
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Adds a display for expression \fIexpr\fR. Printing evaluated
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\fIexpr\fR is done using the given format (see \fBprint\ command\fR
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for more on formats)
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.IP \fBdel\ display\ \fIN\fR
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.IP \fBundisplay\ \fIN\fR
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Deletes display \fIN\fR
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.PP
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\fIDisassembly\fR
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.IP \fBdisas\fR
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Disassemble from current position
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.IP \fBdisas\ \fIexpr\fR
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Disassemble from address \fIexpr\fR
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.IP \fBdisas\ \fIexpr\fB,\fIexpr\fR
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Disassembles code between addresses specified by the two expressions
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.PP
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\fIMemory\ (reading,\ writing,\ typing)\fR
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.IP \fBx\ \fIexpr\fR
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Examines memory at address \fIexpr\fR
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.IP \fBx\ /\fIfmt\ expr\fR
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Examines memory at address \fIexpr\fR using format \fIfmt\fR
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.IP \fBprint\ \fIexpr\fR
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Prints the value of \fIexpr\fR (possibly using its type)
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.IP \fBprint\ /\fIfmt\ expr\fR
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Prints the value of \fIexpr\fR (possibly using its type)
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.IP \fBset\ \fIvar\fB\ =\ \fIexpr\fR
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Writes the value of \fIexpr\fR in \fIvar\fR variable
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.IP \fBwhatis\ \fIexpr\fR
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Prints the C type of expression \fIexpr\fR
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.PP
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.IP \fIfmt\fR
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is either \fIletter\fR or \fIcount letter\fR, where \fIletter\fR
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can be:
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.RS 4
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.IP s
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an ASCII string
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.IP u
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a UTF16 Unicode string
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.IP i
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instructions (disassemble)
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.IP x
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32-bit unsigned hexadecimal integer
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.IP d
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32-bit signed decimal integer
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.IP w
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16-bit unsigned hexadecimal integer
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.IP c
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character (only printable 0x20-0x7f are actually printed)
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.IP b
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8-bit unsigned hexadecimal integer
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.IP g
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Win32 GUID
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.RE
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.PP
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\fIExpressions\fR
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.PP
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Expressions in Wine Debugger are mostly written in a C form. However,
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there are a few discrepancies:
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.PP
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.RS 4
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Identifiers can take a '!' in their names. This allows mainly to
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specify a module where to look the ID from, e.g. \fIUSER32!CreateWindowExA\fR.
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.PP
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In a cast operation, when specifying a structure or a union, you must
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use the struct or union keyword (even if your program uses a typedef).
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.RE
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.PP
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When specifying an identifier, if several symbols with
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this name exist, the debugger will prompt for the symbol you want to
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use. Pick up the one you want from its number.
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.PP
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\fIMisc.\fR
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|
|
.PP
|
||
|
|
.BI "minidump " file.mdmp
|
||
|
|
saves the debugging context of the debuggee into a minidump file called
|
||
|
|
\fIfile.mdmp\fR.
|
||
|
|
.PP
|
||
|
|
\fIInformation on Wine internals\fR
|
||
|
|
.IP \fBinfo\ class\fR
|
||
|
|
Lists all Windows classes registered in Wine
|
||
|
|
.IP \fBinfo\ class\ \fIid\fR
|
||
|
|
Prints information on Windows class \fIid\fR
|
||
|
|
.IP \fBinfo\ share\fR
|
||
|
|
Lists all the dynamic libraries loaded in the debugged program
|
||
|
|
(including .so files, NE and PE DLLs)
|
||
|
|
.IP \fBinfo\ share\ \fIN\fR
|
||
|
|
Prints information on module at address \fIN\fR
|
||
|
|
.IP \fBinfo\ regs\fR
|
||
|
|
Prints the value of the CPU registers
|
||
|
|
.IP \fBinfo\ all-regs\fR
|
||
|
|
Prints the value of the CPU and Floating Point registers
|
||
|
|
.IP \fBinfo\ segment\fR
|
||
|
|
Lists all allocated segments (i386 only)
|
||
|
|
.IP \fBinfo\ segment\ \fIN\fR
|
||
|
|
Prints information on segment \fIN\fR (i386 only)
|
||
|
|
.IP \fBinfo\ stack\fR
|
||
|
|
Prints the values on top of the stack
|
||
|
|
.IP \fBinfo\ map\fR
|
||
|
|
Lists all virtual mappings used by the debugged program
|
||
|
|
.IP \fBinfo\ map\ \fIN\fR
|
||
|
|
Lists all virtual mappings used by the program of Windows pid \fIN\fR
|
||
|
|
.IP \fBinfo\ wnd\fR
|
||
|
|
Displays the window hierarchy starting from the desktop window
|
||
|
|
.IP \fBinfo\ wnd\ \fIN\fR
|
||
|
|
Prints information of Window of handle \fIN\fR
|
||
|
|
.IP \fBinfo\ process\fR
|
||
|
|
Lists all w-processes in Wine session
|
||
|
|
.IP \fBinfo\ thread\fR
|
||
|
|
Lists all w-threads in Wine session
|
||
|
|
.IP \fBinfo\ frame\fR
|
||
|
|
Lists the exception frames (starting from current stack frame). You
|
||
|
|
can also pass, as optional argument, a thread id (instead of current
|
||
|
|
thread) to examine its exception frames.
|
||
|
|
.PP
|
||
|
|
Debug messages can be turned on and off as you are debugging using
|
||
|
|
the \fBset\fR command, but only for channels initialized with the
|
||
|
|
\fIWINEDEBUG\fR environment variable.
|
||
|
|
.IP \fBset\ warn\ +\ \fIwin\fR
|
||
|
|
Turns on warn on \fIwin\fR channel
|
||
|
|
.IP \fBset\ +\ \fIwin\fR
|
||
|
|
Turns on warn/fixme/err/trace on \fIwin\fR channel
|
||
|
|
.IP \fBset\ -\ \fIwin\fR
|
||
|
|
Turns off warn/fixme/err/trace on \fIwin\fR channel
|
||
|
|
.IP \fBset\ fixme\ -\ all\fR
|
||
|
|
Turns off fixme class on all channels
|
||
|
|
.PP
|
||
|
|
.SS Gdb mode:
|
||
|
|
.PP
|
||
|
|
See the \fBgdb\fR documentation for all the \fBgdb\fR commands.
|
||
|
|
.PP
|
||
|
|
However, a few Wine extensions are available, through the
|
||
|
|
\fBmonitor\fR command:
|
||
|
|
.IP \fBmonitor\ wnd\fR
|
||
|
|
Lists all windows in the Wine session
|
||
|
|
.IP \fBmonitor\ proc\fR
|
||
|
|
Lists all processes in the Wine session
|
||
|
|
.IP \fBmonitor\ mem\fR
|
||
|
|
Displays memory mapping of debugged process
|
||
|
|
.PP
|
||
|
|
.SS Auto and minidump modes:
|
||
|
|
.PP
|
||
|
|
Since no user input is possible, no commands are available.
|
||
|
|
|
||
|
|
.SH ENVIRONMENT
|
||
|
|
.IP \fBWINE_GDB\fR
|
||
|
|
When used in \fBgdb\fR proxy mode, \fBWINE_GDB\fR specifies the name
|
||
|
|
(and the path) of the executable to be used for \fBgdb\fR. "gdb"
|
||
|
|
is used by default.
|
||
|
|
.SH AUTHORS
|
||
|
|
The first version was written by Eric Youngdale.
|
||
|
|
.PP
|
||
|
|
See Wine developers list for the rest of contributors.
|
||
|
|
.SH BUGS
|
||
|
|
Bugs can be reported on the
|
||
|
|
.UR https://bugs.winehq.org
|
||
|
|
.B Wine bug tracker
|
||
|
|
.UE .
|
||
|
|
.SH AVAILABILITY
|
||
|
|
.B winedbg
|
||
|
|
is part of the Wine distribution, which is available through WineHQ,
|
||
|
|
the
|
||
|
|
.UR https://www.winehq.org/
|
||
|
|
.B Wine development headquarters
|
||
|
|
.UE .
|
||
|
|
.SH "SEE ALSO"
|
||
|
|
.BR wine (1),
|
||
|
|
.br
|
||
|
|
.UR https://www.winehq.org/help
|
||
|
|
.B Wine documentation and support
|
||
|
|
.UE .
|