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Document new aliases b', t' and `registers'. Document old aliases

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`bt', `c', `d', `p', `s', `w' and `where'.
This commit is contained in:
Bruce Evans 2006-10-09 02:27:55 +00:00
parent 8408ecd6d8
commit 355938faba
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=163143
1 changed files with 33 additions and 1 deletions
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34
share/man/man4/ddb.4
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@ -58,7 +58,7 @@
.\" [90/08/30 dbg]
.\"
.\" $FreeBSD$
.Dd September 15, 2006
.Dd October 9, 2006
.Dt DDB 4
.Os
.Sh NAME
@ -225,6 +225,7 @@ except that the last start address subtracted by the size displayed by it
is used as the start address.
.Pp
.It Cm print Ns Op Cm /acdoruxz
.It Cm p Ns Op Cm /acdoruxz
Print
.Ar addr Ns s
according to the modifier character (as described above for
@ -257,6 +258,10 @@ ecx = yyyyyy
.Cm write Ns Op Cm /bhl
.Ar addr Ar expr1 Op Ar "expr2 ..."
.Xc
.It Xo
.Cm w Ns Op Cm /bhl
.Ar addr Ar expr1 Op Ar "expr2 ..."
.Xc
Write the expressions specified after
.Ar addr
on the command line at succeeding locations starting with
@ -287,6 +292,7 @@ Set the named variable or register with the value of
Valid variable names are described below.
.Pp
.It Cm break Ns Op Cm /u
.It Cm b Ns Op Cm /u
Set a break point at
.Ar addr .
If
@ -319,7 +325,9 @@ Setting a break
point at the low-level code paths may also cause strange behavior.
.Pp
.It Cm delete Ar addr
.It Cm d Ar addr
.It Cm delete Li \&# Ns Ar number
.It Cm d Li \&# Ns Ar number
Delete the break point.
The target break point can be specified by a
break point number with
@ -331,6 +339,7 @@ specified in the original
command.
.Pp
.It Cm step Ns Op Cm /p
.It Cm s Ns Op Cm /p
Single step
.Ar count
times (the comma is a mandatory part of the syntax).
@ -347,6 +356,7 @@ stepping through code executed by interrupt handlers will probably
do the wrong thing.
.Pp
.It Cm continue Ns Op Cm /c
.It Cm c Ns Op Cm /c
Continue execution until a breakpoint or watchpoint.
If the
.Li c
@ -381,6 +391,21 @@ Otherwise, only print when the matching return is hit.
.Op Ar frame
.Op , Ns Ar count
.Xc
.It Xo
.Cm t Ns Op Cm /u
.Op Ar frame
.Op , Ns Ar count
.Xc
.It Xo
.Cm where Ns Op Cm /u
.Op Ar frame
.Op , Ns Ar count
.Xc
.It Xo
.Cm bt Ns Op Cm /u
.Op Ar frame
.Op , Ns Ar count
.Xc
Stack trace.
The
.Li u
@ -426,6 +451,7 @@ modifier will alter the display to show VM map
addresses for the process and not show other info.
.Pp
.It Cm show registers Ns Op Cm /u
.It Cm registers Ns Op Cm /u
Display the register set.
If the
.Li u
@ -438,6 +464,12 @@ The support of the
modifier depends on the machine.
If not supported, incorrect information will be displayed.
.Pp
The
.Cm registers
alias is a hack to prevent mistyping
.Ql r
from resetting the system.
.Pp
.It Cm show geom Op Ar addr
If the
.Ar addr