diff options
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/NEWS | 6 | ||||
| -rw-r--r-- | gdb/TODO | 18 | ||||
| -rw-r--r-- | gdb/doc/ChangeLog | 14 | ||||
| -rw-r--r-- | gdb/doc/Makefile.in | 26 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 9 | ||||
| -rw-r--r-- | gdb/mi/ChangeLog-mi | 5 | ||||
| -rw-r--r-- | gdb/mi/gdbmi.texinfo | 3925 |
8 files changed, 2693 insertions, 1315 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 78090d1..6275eb3 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,10 @@ 2000-04-23 Eli Zaretskii <eliz@is.elta.co.il> + * TODO, NEWS: Update due to inclusion of gdbmi.texinfo in the GDB + manual. + +2000-04-23 Eli Zaretskii <eliz@is.elta.co.il> + * config/djgpp/README: Explain how to unpack using djunpack.bat. Fri Apr 21 15:23:13 2000 Andrew Cagney <cagney@b1.cygnus.com> @@ -124,9 +124,9 @@ try to find a command that does what you are looking for. A new machine oriented interface (MI) has been added to GDB. This interface is designed for debug environments running GDB as a separate -process. This is part of the long term libGDB project. See -gdb/mi/gdbmi.texinfo for further information. It can be enabled by -configuring with: +process. This is part of the long term libGDB project. See the +"GDB/MI" chapter of the GDB manual for further information. It can be +enabled by configuring with: .../configure --enable-gdbmi @@ -140,24 +140,6 @@ Mark -- -MI documentation in GDB user guide. (Andrew Cagney, Elena Zannoni, -Stan Shebs, anyone else?) - -> (Are there plans to make gdbmi.texi be part of the manual as well?) - -I'd like to see it go in there sooner rather than later too. Otherwise -you're introducing discrepancies between the manual and the documentation, -and everybody is confused - witness the lack of doc for the tracing -commands still, some two years after they were added... - -Discussion on MI can be found on the thread: [PATCH] GDB command-line -switches and annotations docs -http://sourceware.cygnus.com/ml/gdb-patches/2000-q1/msg00639.html - -MI documentation can be found in the file gdb/mi/gdbmi.texinfo - --- - Revised UDP support (was: Re: [Fwd: [patch] UDP transport support]) http://sourceware.cygnus.com/ml/gdb-patches/2000-04/msg00000.html diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index dfc7138..5b15a2a 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,17 @@ +2000-04-23 Eli Zaretskii <eliz@is.elta.co.il> + + * Makefile.in (GDBMI_DIR): New variable. + (SET_TEXINPUTS): Add $(GDBMI_DIR). + (SFILES_DOC): Add $(GDBMI_DIR)/gdbmi.texinfo. + (gdbmi.texinfo): New target, for texi2roff. + (gdb.me, gdb.ms, gdb.mm): Depend on gdbmi.texinfo. + (gdb.info, gdb_toc.html): Add "-I ${GDBMI_DIR}". + + * gdb.texinfo (Top): Add GDB/MI to the main menu and @include + gdbmi.texinfo. + (Mode Options): Add xref to GDB/MI docs and remove a FIXME + comment. + 2000-04-17 Elena Zannoni <ezannoni@kwikemart.cygnus.com> * gdb.texinfo (Files): Update description of add-symbol-file diff --git a/gdb/doc/Makefile.in b/gdb/doc/Makefile.in index cef11bf..57fac5c 100644 --- a/gdb/doc/Makefile.in +++ b/gdb/doc/Makefile.in @@ -56,7 +56,11 @@ TEXI2ROFF=texi2roff # Traditionally readline is in .. or . READLINE_DIR = ${gdbdir}/../readline/doc -SET_TEXINPUTS = TEXINPUTS=${TEXIDIR}:.:$(srcdir):$(READLINE_DIR):$$TEXINPUTS +# The GDB/MI docs come from a sibling directory ../mi +GDBMI_DIR = ${gdbdir}/mi + +SET_TEXINPUTS = \ + TEXINPUTS=${TEXIDIR}:.:$(srcdir):$(READLINE_DIR):$(GDBMI_DIR):$$TEXINPUTS # There may be alternate predefined collections of switches to configure # the GDB manual. Normally this is not done in synch with the software @@ -93,7 +97,7 @@ SFILES_INCLUDED = gdb-cfg.texi $(srcdir)/annotate.texi SFILES_LOCAL = $(srcdir)/gdb.texinfo GDBvn.texi $(SFILES_INCLUDED) -SFILES_DOC = $(SFILES_LOCAL) \ +SFILES_DOC = $(SFILES_LOCAL) $(GDBMI_DIR)/gdbmi.texinfo \ $(READLINE_DIR)/rluser.texinfo $(READLINE_DIR)/inc-hist.texinfo #### Host, target, and site specific Makefile fragments come in here. @@ -233,10 +237,10 @@ gdb.ps: gdb.dvi $(DVIPS) -o $@ $? # GDB MANUAL: info file -# We're using texinfo2, and older makeinfo's may not be able to +# We're using texinfo 3.12; older makeinfo's may not be able to # cope with all the markup. gdb.info: ${SFILES_DOC} - $(MAKEINFO) -I ${READLINE_DIR} -I $(srcdir) -o ./gdb.info gdb.texinfo + $(MAKEINFO) -I ${READLINE_DIR} -I ${GDBMI_DIR} -I $(srcdir) -o ./gdb.info gdb.texinfo # GDB MANUAL: roff translations # Try to use a recent texi2roff. v2 was put on prep in jan91. @@ -275,8 +279,14 @@ inc-hist.texinfo: ${READLINE_DIR}/inc-hist.texinfo ln ${READLINE_DIR}/inc-hist.texinfo . || \ cp ${READLINE_DIR}/inc-hist.texinfo . +gdbmi.texinfo: ${GDBMI_DIR}/gdbmi.texinfo + (test "$$LN_S" = "ln -s" && \ + ln -s ${GDBMI_DIR}/gdbmi.texinfo .) || \ + ln ${GDBMI_DIR}/gdbmi.texinfo . || \ + cp ${GDBMI_DIR}/gdbmi.texinfo . + # gdb manual suitable for [gtn]roff -me -gdb.me: $(SFILES_LOCAL) links2roff rluser.texinfo inc-hist.texinfo +gdb.me: $(SFILES_LOCAL) links2roff rluser.texinfo inc-hist.texinfo gdbmi.texinfo sed -e '/\\input texinfo/d' \ -e '/@c TEXI2ROFF-KILL/,/@c END TEXI2ROFF-KILL/d' \ -e '/^@ifinfo/,/^@end ifinfo/d' \ @@ -291,7 +301,7 @@ gdb.me: $(SFILES_LOCAL) links2roff rluser.texinfo inc-hist.texinfo >gdb.me # gdb manual suitable for [gtn]roff -ms -gdb.ms: $(SFILES_LOCAL) links2roff rluser.texinfo inc-hist.texinfo +gdb.ms: $(SFILES_LOCAL) links2roff rluser.texinfo inc-hist.texinfo gdbmi.texinfo sed -e '/\\input texinfo/d' \ -e '/@c TEXI2ROFF-KILL/,/@c END TEXI2ROFF-KILL/d' \ -e '/^@ifinfo/,/^@end ifinfo/d' \ @@ -308,7 +318,7 @@ gdb.ms: $(SFILES_LOCAL) links2roff rluser.texinfo inc-hist.texinfo # gdb manual suitable for [tn]roff -mm # '@noindent's removed due to texi2roff-2 mm bug; if yours is newer, # try leaving them in -gdb.mm: $(SFILES_LOCAL) links2roff rluser.texinfo inc-hist.texinfo +gdb.mm: $(SFILES_LOCAL) links2roff rluser.texinfo inc-hist.texinfo gdbmi.texinfo sed -e '/\\input texinfo/d' \ -e '/@c TEXI2ROFF-KILL/,/@c END TEXI2ROFF-KILL/d' \ -e '/^@ifinfo/,/^@end ifinfo/d' \ @@ -326,7 +336,7 @@ gdb.mm: $(SFILES_LOCAL) links2roff rluser.texinfo inc-hist.texinfo # GDB MANUAL: HTML file gdb_toc.html: ${SFILES_DOC} - $(MAKEHTML) $(MAKEHTMLFLAGS) -I ${READLINE_DIR} -I $(srcdir) $(srcdir)/gdb.texinfo + $(MAKEHTML) $(MAKEHTMLFLAGS) -I ${READLINE_DIR} -I ${GDBMI_DIR} -I $(srcdir) $(srcdir)/gdb.texinfo # GDB GUI MANUAL: TeX dvi file gdbgui.dvi : gdbgui.texinfo ${SFILES_DOC} diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index d909466..4628dd0 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -24,6 +24,9 @@ @c readline appendices use @vindex @syncodeindex vr cp +@c gdbmi uses @findex +@syncodeindex fn cp + @c !!set GDB manual's edition---not the same as GDB version! @set EDITION Eighth @@ -142,6 +145,7 @@ Copyright (C) 1988-2000 Free Software Foundation, Inc. * Sequences:: Canned sequences of commands * Emacs:: Using @value{GDBN} under @sc{gnu} Emacs * Annotations:: @value{GDBN}'s annotation interface. +* GDB/MI:: @value{GDBN}'s Machine Interface. * GDB Bugs:: Reporting bugs in @value{GDBN} * Formatting Documentation:: How to format and print @value{GDBN} documentation @@ -1040,9 +1044,7 @@ Use the interpreter @var{interp} for interface with the controlling program or device. This option is meant to be set by programs which communicate with @value{GDBN} using it as a back end. For example, @samp{--interpreter=mi} causes @value{GDBN} to use the @dfn{gdbmi -interface}. -@c FIXME: There should be an @xref here to the GDB/MI docs, but -@c gdbmi.texi doesn't have a single node to reference! +interface} (@pxref{GDB/MI, , The @sc{gdb/mi} Interface}). @item -write @cindex @code{--write} @@ -12204,6 +12206,7 @@ each value is printed in its own window. @end ignore @include annotate.texi +@include gdbmi.texinfo @node GDB Bugs @chapter Reporting Bugs in @value{GDBN} diff --git a/gdb/mi/ChangeLog-mi b/gdb/mi/ChangeLog-mi index f0a3304..c03ef58 100644 --- a/gdb/mi/ChangeLog-mi +++ b/gdb/mi/ChangeLog-mi @@ -1,3 +1,8 @@ +2000-04-23 Eli Zaretskii <eliz@is.elta.co.il> + + * gdbmi.texinfo: Lots of changes, to include this document as part + of the GDB manual. + 2000-03-13 James Ingham <jingham@leda.cygnus.com> * mi-cmd-var.c (mi_cmd_var_create): Add special frame cookie "@" diff --git a/gdb/mi/gdbmi.texinfo b/gdb/mi/gdbmi.texinfo index 8602885..a90c9d4 100644 --- a/gdb/mi/gdbmi.texinfo +++ b/gdb/mi/gdbmi.texinfo @@ -1,293 +1,375 @@ -\input texinfo @c -*-texinfo-*- -@c %**start of header -@setfilename gdbmi.info -@settitle GDB/MI Machine Interface -@setchapternewpage off -@c %**end of header +@c \input texinfo @c -*-texinfo-*- +@c @c %**start of header +@c @setfilename gdbmi.info +@c @settitle GDB/MI Machine Interface +@c @setchapternewpage off +@c @c %**end of header + +@c @ifinfo +@c This file documents GDB/MI, a Machine Interface to GDB. + +@c Copyright (C) 2000, Free Software Foundation, Inc. +@c Contributed by Cygnus Solutions. + +@c Permission is granted to make and distribute verbatim copies of this +@c manual provided the copyright notice and this permission notice are +@c preserved on all copies. + +@c @ignore +@c Permission is granted to process this file through TeX and print the +@c results, provided the printed document carries copying permission notice +@c identical to this one except for the removal of this paragraph (this +@c paragraph not being relevant to the printed manual). + +@c @end ignore +@c Permission is granted to copy and distribute modified versions of this +@c manual under the conditions for verbatim copying, provided also that the +@c entire resulting derived work is distributed under the terms of a +@c permission notice identical to this one. + +@c Permission is granted to copy and distribute translations of this manual +@c into another language, under the above conditions for modified versions. +@c @end ifinfo + +@c @c This title page illustrates only one of the +@c @c two methods of forming a title page. + +@c @titlepage +@c @title GDB/MI +@c @subtitle Version 0.2 +@c @subtitle Feb 2000 +@c @author Andrew Cagney, Fernando Nasser and Elena Zannoni + +@c @c The following two commands +@c @c start the copyright page. +@c @page +@c @vskip 0pt plus 1filll +@c Permission is granted to make and distribute verbatim copies of this +@c manual provided the copyright notice and this permission notice are +@c preserved on all copies. + +@c Copyright @copyright{} 2000, Free Software Foundation, Inc. +@c @end titlepage -@ifinfo -This file documents GDB/MI, a Machine Interface to GDB. +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI +@chapter The @sc{gdb/mi} Interface -Copyright (C) 2000, Free Software Foundation, Inc. -Contributed by Cygnus Solutions. +@unnumberedsec Function and Purpose -Permission is granted to make and distribute verbatim copies of this -manual provided the copyright notice and this permission notice are -preserved on all copies. +@cindex @sc{gdb/mi}, its purpose +@sc{gdb/mi} is a line based machine oriented text interface to GDB. It is +specifically intended to support the development of systems which use +the debugger as just one small component of a larger system. -@ignore -Permission is granted to process this file through TeX and print the -results, provided the printed document carries copying permission notice -identical to this one except for the removal of this paragraph (this -paragraph not being relevant to the printed manual). +This chapter is a specification of the @sc{gdb/mi} interface. It is written +in the form of a reference manual. -@end ignore -Permission is granted to copy and distribute modified versions of this -manual under the conditions for verbatim copying, provided also that the -entire resulting derived work is distributed under the terms of a -permission notice identical to this one. - -Permission is granted to copy and distribute translations of this manual -into another language, under the above conditions for modified versions. -@end ifinfo - -@c This title page illustrates only one of the -@c two methods of forming a title page. - -@titlepage -@title GDB/MI -@subtitle Version 0.2 -@subtitle Feb 2000 -@author Andrew Cagney, Fernando Nasser and Elena Zannoni - -@c The following two commands -@c start the copyright page. -@page -@vskip 0pt plus 1filll -Permission is granted to make and distribute verbatim copies of this -manual provided the copyright notice and this permission notice are -preserved on all copies. - -Copyright @copyright{} 2000, Free Software Foundation, Inc. -@end titlepage +Note that @sc{gdb/mi} is still under construction, so some of the +features described below are incomplete and subject to change. -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Overview +@unnumberedsec Notation and Terminology -@heading Function and Purpose +@cindex notational conventions, for @sc{gdb/mi} +This chapter uses the following notation: -GDB/MI is a line based machine oriented text interface to GDB. It is -specifically intended to support the development of systems which use -the debugger as just one small component of a larger system. +@itemize @bullet +@item +@code{|} separates two alternatives. -@heading This Document +@item +@code{[ @var{something} ]} indicates that @var{something} is optional: +it may or may not be given. -This document is a specification of the GDB/MI interface. It is written -in the form of a reference manual. +@item +@code{( @var{group} )*} means that @var{group} inside the parentheses +may repeat zero or more times. -@heading Terminology +@item +@code{( @var{group} )+} means that @var{group} inside the parentheses +may repeat one or more times. + +@item +@code{"@var{string}"} means a literal @var{string}. +@end itemize +@ignore @heading Dependencies +@end ignore @heading Acknowledgments -In alphabetic order: Fernando Nasser, Stan Shebs and Elena Zannoni. - -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Command Syntax +In alphabetic order: Andrew Cagney, Fernando Nasser, Stan Shebs and +Elena Zannoni. + +@menu +* GDB/MI Command Syntax:: +* GDB/MI and CLI:: +* GDB/MI Output Records:: +* GDB/MI Command Description Format:: +* GDB/MI Breakpoint Table Commands:: +* GDB/MI Data Manipulation:: +* GDB/MI Program Control:: +* GDB/MI Misc Commands:: +* GDB/MI Stack Manipulation:: +* GDB/MI Symbol Query:: +* GDB/MI Target Manipulation:: +* GDB/MI Thread Commands:: +* GDB/MI Tracepoint Commands:: +* GDB/MI Variable Objects:: +@end menu + +@c When these are implemented, they should be moved to be between Misc and +@c Stack Manipulation in the above menu. They are now outside the menu +@c because makeinfo 3.12 barfs if it sees @ignore or @comments in the +@c middle of a menu. +@ignore +* GDB/MI Kod Commands:: +* GDB/MI Memory Overlay Commands:: +* GDB/MI Signal Handling Commands:: +@end ignore -@section Input Syntax +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Command Syntax +@section @sc{gdb/mi} Command Syntax -@table @code +@menu +* GDB/MI Input Syntax:: +* GDB/MI Output Syntax:: +* GDB/MI Simple Examples:: +@end menu -@item <command> @expansion{} -<cli-command> | <mi-command> +@node GDB/MI Input Syntax +@subsection @sc{gdb/mi} Input Syntax -@item <cli-command> @expansion{} -[ <token> ] "any existing GDB CLI command" <nl> +@cindex input syntax for @sc{gdb/mi} +@cindex @sc{gdb/mi}, input syntax +@table @code +@item @var{command} @expansion{} +@code{@var{cli-command} | @var{mi-command}} -@item <mi-command> @expansion{} -[ <token> ] ``-'' <operation> ( `` '' <option> )* [ `` --'' ] ( `` '' <parameter> )* <nl> +@item @var{cli-command} @expansion{} +@code{[ @var{token} ] @var{cli-command} @var{nl}}, where +@var{cli-command} is any existing GDB CLI command. -@item <token> @expansion{} -``any sequence of digits'' +@item @var{mi-command} @expansion{} +@code{[ @var{token} ] "-" @var{operation} ( " " @var{option} )* +@code{[} " --" @code{]} ( " " @var{parameter} )* @var{nl}} -@item <option> @expansion{} -``-'' <parameter> [ `` '' <parameter> ] +@item @var{token} @expansion{} +@code{"any sequence of digits"} -@item <parameter> @expansion{} -<non-blank-sequence> | <c-string> +@item @var{option} @expansion{} +@code{"-" @var{parameter} [ " " @var{parameter} ]} -@item <operation> @expansion{} -any of the operations described in this document. +@item @var{parameter} @expansion{} +@code{@var{non-blank-sequence} | @var{c-string}} -@item <non-blank-sequence> @expansion{} -anything provided it doesn't contain special characters such as ``-'' - <nl>, ``"'' and of course `` ''. +@item @var{operation} @expansion{} +@emph{any of the operations described in this document} -@item <c-string> @expansion{} -``"'' <seven-bit-iso-c-string-content> ``"'' +@item @var{non-blank-sequence} @expansion{} +@emph{anything, provided it doesn't contain special characters such as +"-", @var{nl}, """ and of course " "} -@item <nl> @expansion{} -CR | CR-LF +@item @var{c-string} @expansion{} +@code{""" @var{seven-bit-iso-c-string-content} """} +@item @var{nl} @expansion{} +@code{CR | CR-LF} @end table Notes: @itemize @bullet - @item -The CLI commands are still handled by the MI interpreter; their output -is described below +The CLI commands are still handled by the @sc{mi} interpreter; their +output is described below. @item -The @code{<token>}, when present, is passed back when the command +The @code{@var{token}}, when present, is passed back when the command finishes. @item -Some mi commands accept optional arguments as part of the parameter -list. Each option is identified by a leading @code{-} (dash) and may be -followed by an option argument parameter. Options occure first in the -parameter list and can be delimiated from normal parameters using -@code{--}. - +Some @sc{mi} commands accept optional arguments as part of the parameter +list. Each option is identified by a leading @samp{-} (dash) and may be +followed by an optional argument parameter. Options occur first in the +parameter list and can be delimited from normal parameters using +@samp{--} (this is useful when some parameters begin with a dash). @end itemize Pragmatics: @itemize @bullet - @item We want easy access to the existing CLI syntax (for debugging). @item -We want it easy to spot a MI operation - +We want it to be easy to spot a @sc{mi} operation. @end itemize -@section Output Syntax +@node GDB/MI Output Syntax +@subsection @sc{gdb/mi} Output Syntax -The output from GDB/MI consists of zero or more out-of-band records +@cindex output syntax of @sc{gdb/mi} +@cindex @sc{gdb/mi}, output syntax +The output from @sc{gdb/mi} consists of zero or more out-of-band records followed, optionally, by a single result record. The result record being for the most recent command. The sequence of output records is -terminated by ``(gdb)''. +terminated by @samp{(gdb)}. -If an input command was prefixed with a @code{<token>} then the +If an input command was prefixed with a @code{@var{token}} then the corresponding output for that command will also be prefixed by that same -token. +@var{token}. @table @code -@item <output> @expansion{} -( <out-of-band-record> )* [ <result-record> ] ``(gdb)'' <nl> +@item @var{output} @expansion{} +@code{( @var{out-of-band-record} )* [ @var{result-record} ] "(gdb)" @var{nl}} -@item <result-record> @expansion{} -[ <token> ] ``^'' <result-class> ( ``,'' <result> )* <nl> +@item @var{result-record} @expansion{} +@code{ [ @var{token} ] "^" @var{result-class} ( "," @var{result} )* @var{nl}} -@item <out-of-band-record> @expansion{} -<async-record> | <stream-record> +@item @var{out-of-band-record} @expansion{} +@code{@var{async-record} | @var{stream-record}} -@item <async-record> @expansion{} -<exec-async-output> | <status-async-output> | <notify-async-output> +@item @var{async-record} @expansion{} +@code{@var{exec-async-output} | @var{status-async-output} | @var{notify-async-output}} -@item <exec-async-output> @expansion{} -[ <token> ] ``*'' <async-output> +@item @var{exec-async-output} @expansion{} +@code{[ @var{token} ] "*" @var{async-output}} -@item <status-async-output> @expansion{} -[ <token> ] ``+'' <async-output> +@item @var{status-async-output} @expansion{} +@code{[ @var{token} ] "+" @var{async-output}} -@item <notify-async-output> @expansion{} -[ <token> ] ``='' <async-output> +@item @var{notify-async-output} @expansion{} +@code{[ @var{token} ] "=" @var{async-output}} -@item <async-output> @expansion{} -<async-class> ( ``,'' <result> )* <nl> +@item @var{async-output} @expansion{} +@code{@var{async-class} ( "," @var{result} )* @var{nl}} -@item <result-class> @expansion{} -``done'' | ``running'' | ``connected'' | ``error'' | ``exit'' +@item @var{result-class} @expansion{} +@code{"done" | "running" | "connected" | "error" | "exit"} -@item <async-class> @expansion{} -``stopped'' | others (depending on needs, still in development) +@item @var{async-class} @expansion{} +@code{"stopped" | @var{others}} (where @var{others} will be added +depending on the needs---this is still in development). -@item <result> @expansion{} -[ <string> ``='' ] <value> +@item @var{result} @expansion{} +@code{[ @var{string} "=" ] @var{value}} -@item <value> @expansion{} -<const> | ``@{'' <result> ( ``,'' <result> )* ``@}'' +@item @var{value} @expansion{} +@code{@var{const} | "@{" @var{result} ( "," @var{result} )* "@}"} -@item <const> @expansion{} -<c-string> +@item @var{const} @expansion{} +@code{@var{c-string}} -@item <stream-record> @expansion{} -<console-stream-output> | <target-stream-output> | <log-stream-output> +@item @var{stream-record} @expansion{} +@code{@var{console-stream-output} | @var{target-stream-output} | @var{log-stream-output}} -@item <console-stream-output> @expansion{} -``~'' <c-string> +@item @var{console-stream-output} @expansion{} +@code{"~" @var{c-string}} -@item <target-stream-output> @expansion{} -``@@'' <c-string> +@item @var{target-stream-output} @expansion{} +@code{"@@" @var{c-string}} -@item <log-stream-output> @expansion{} -``&'' <c-string> +@item @var{log-stream-output} @expansion{} +@code{"&" @var{c-string}} -@item <nl> @expansion{} -CR | CR-LF - -@item <token> @expansion{} -``any sequence of digits'' +@item @var{nl} @expansion{} +@code{CR | CR-LF} +@item @var{token} @expansion{} +@emph{any sequence of digits}. @end table -In addition, the following are still being developed. +In addition, the following are still being developed: @table @code - -@item <query> +@item @var{query} This action is currently undefined. - @end table Notes: @itemize @bullet - @item All output sequences end in a single line containing a period. @item -The @code{<token>} is from the corresponding request. If an execution -command is interrupted by the -exec-interrupt command, the token -associated with the `*stopped' message is the one of the original -execution command, not the one of the interrupt-command. +The @code{@var{token}} is from the corresponding request. If an execution +command is interrupted by the @samp{-exec-interrupt} command, the +@var{token} associated with the `*stopped' message is the one of the +original execution command, not the one of the interrupt-command. @item -<status-async-output> contains on-going status information about the progress -of a slow operation. It can be discarded. All status output is prefixed by -the prefix `+'. +@cindex status output in @sc{gdb/mi} +@var{status-async-output} contains on-going status information about the +progress of a slow operation. It can be discarded. All status output is +prefixed by @samp{+}. @item -<exec-async-output> contains asynchronous state change on the target -(stopped, started, disappeared). All async output is prefixed by -the prefix `*'. +@cindex async output in @sc{gdb/mi} +@var{exec-async-output} contains asynchronous state change on the target +(stopped, started, disappeared). All async output is prefixed by +@samp{*}. @item -<notify-async-output> contains supplementary information that the client should -handle (new breakpoint information). All notify output is prefixed by -the prefix `='. +@cindex notify output in @sc{gdb/mi} +@var{notify-async-output} contains supplementary information that the +client should handle (e.g., a new breakpoint information). All notify +output is prefixed by @samp{=}. @item -<console-stream-output> is output that should be displayed as is in the -console. It is the textual response to a CLI command. All the console -output is prefixed by the prefix ``~''. +@cindex console output in @sc{gdb/mi} +@var{console-stream-output} is output that should be displayed as is in the +console. It is the textual response to a CLI command. All the console +output is prefixed by @samp{~}. @item -<target-stream-output> is the output produced by the target program. -All the target output is prefixed by the prefix ``@@''. +@cindex target output in @sc{gdb/mi} +@var{target-stream-output} is the output produced by the target program. +All the target output is prefixed by @samp{@@}. @item -<log-stream-output> is output text coming from GDB's internals, for +@cindex log output in @sc{gdb/mi} +@var{log-stream-output} is output text coming from GDB's internals, for instance messages that should be displayed as part of an error log. All -the log output is prefixed by the prefix ``&''. - +the log output is prefixed by @samp{&}. @end itemize -@section Simple Examples +@xref{GDB/MI Stream Records, , @sc{gdb/mi} Stream Records}, for more +details about the various output records. + +@node GDB/MI Simple Examples +@subsection Simple Examples of @sc{gdb/mi} Interaction +@cindex @sc{gdb/mi}, simple examples -@subheading Target stop: +This subsection presents several simple examples of interaction using +the @sc{gdb/mi} interface. In these examples, @samp{->} means that the +following line is passed to @sc{gdb/mi} as input, while @samp{<-} means +the output received from @sc{gdb/mi}. + +@subsubheading Target Stop + +Here's an example of stopping the inferior process: @example -> -stop <- (gdb) @end example -(later) +@noindent +and later: @example <- *stop,reason="stop",address="0x123",source="a.c:123" <- (gdb) @end example +@subsubheading Simple CLI Command -@subheading Simple CLI command being passed through the MI and on to the CLI. +Here's an example of a simple CLI command being passed through +@sc{gdb/mi} and on to the CLI. @example -> print 1+2 @@ -295,8 +377,7 @@ the log output is prefixed by the prefix ``&''. <- (gdb) @end example - -@subheading Command with side effects: +@subsubheading Command With Side Effects @example -> -symbol-file xyz.exe @@ -304,8 +385,9 @@ the log output is prefixed by the prefix ``&''. <- (gdb) @end example +@subsubheading A Bad Command -@subheading A bad command: +Here's what happens if you pass a non-existent command: @example -> -rubbish @@ -313,229 +395,356 @@ the log output is prefixed by the prefix ``&''. <- (gdb) @end example -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter CLI compatibility +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI and CLI +@section @sc{gdb/mi} Compatibility with CLI -To help users familiar with the GDB's existing CLI interface, the GDB/MI -will accept existing CLI commands. As specified by the syntax, such -commands can be directly entered into the MI interface and GDB will +@cindex compatibility, @sc{gdb/mi} and CLI +@cindex @sc{gdb/mi}, compatibility with CLI +To help users familiar with the GDB's existing CLI interface, @sc{gdb/mi} +accepts existing CLI commands. As specified by the syntax, such +commands can be directly entered into the @sc{gdb/mi} interface and GDB will respond. -The mechanism is provided as an aid to developers of MI clients and not -as a reliable interface into the CLI. Since the command is being -interpreteted in an environment that assumes MI behaviour the exact -output of such commands is likely to end up being an un-supported hybrid -of MI and CLI output. +This mechanism is provided as an aid to developers of @sc{gdb/mi} +clients and not as a reliable interface into the CLI. Since the command +is being interpreteted in an environment that assumes @sc{gdb/mi} +behaviour, the exact output of such commands is likely to end up being +an un-supported hybrid of @sc{gdb/mi} and CLI output. +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Output Records +@section @sc{gdb/mi} Output Records -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Output Records +@menu +* GDB/MI Result Records:: +* GDB/MI Stream Records:: +* GDB/MI Out-of-band Records:: +@end menu -@section Result Records +@node GDB/MI Result Records +@subsection @sc{gdb/mi} Result Records -In addition to a number of out-of-band notifications the response to an -MI command includes one of the following result indications. +@cindex result records in @sc{gdb/mi} +@cindex @sc{gdb/mi}, result records +In addition to a number of out-of-band notifications, the response to a +@sc{gdb/mi} command includes one of the following result indications: @table @code - -@item ``^done'' [ ``,'' <results> ] -The synchronous operation was successful, @code{<results>} is the return +@findex ^done +@item "^done" [ "," @var{results} ] +The synchronous operation was successful, @code{@var{results}} is the return value. -@item ``^running'' +@item "^running" +@findex ^running +@c Is this one correct? Should it be an out-of-band notification? The asynchronous operation was successfully started. The target is -running. @emph{Is this one correct should it be an out-of-band -notification?} +running. -@item ``^error'' ``,'' <c-string> -The operation failed. The @code{<c-string>} contains the corresponding +@item "^error" "," @var{c-string} +@cindex ^error +The operation failed. The @code{@var{c-string}} contains the corresponding error message. - @end table -@section Stream Records +@node GDB/MI Stream Records +@subsection @sc{gdb/mi} Stream Records +@cindex @sc{gdb/mi}, stream records +@cindex stream records in @sc{gdb/mi} GDB internally maintains a number of output streams: the console, the target, and the log. The output intended for each of these streams is -tunneled through the MI interface using stream records. +funneled through the @sc{gdb/mi} interface using @dfn{stream records}. -In addition to the prefix each stream record contains a -@code{<string-output>}. This is either raw text (with an implicit new +Each stream record begins with a unique @dfn{prefix character} which +identifies its stream (@pxref{GDB/MI Output Syntax, , @sc{gdb/mi} Output +Syntax}). In addition to the prefix, each stream record contains a +@code{@var{string-output}}. This is either raw text (with an implicit new line) or a quoted C string (which does not contain an implicit newline). @table @code - -@item ``~'' <string-output> +@item "~" @var{string-output} The console output stream contains text that should be displayed in the CLI console window. It contains the textual responses to CLI commands. -@item ``@@'' <string-output> +@item "@@" @var{string-output} The target output stream contains any textual output from the running target. -@item ``&'' <string-output> +@item "&" @var{string-output} The LOG stream contains debugging messages being produced by GDB's internals. - @end table -@section Out-of-band Records. +@node GDB/MI Out-of-band Records +@subsection @sc{gdb/mi} Out-of-band Records -Out-of-band records are used to notify the MI client of additional -changes that have occurred. Those changes can either be a consequence of -an MI (breakpoint modified) or as a result of target activity (target -stopped). +@cindex out-of-band records in @sc{gdb/mi} +@cindex @sc{gdb/mi}, out-of-band records +@dfn{Out-of-band} records are used to notify the @sc{gdb/mi} client of +additional changes that have occurred. Those changes can either be a +consequence of @sc{gdb/mi} (e.g., a breakpoint modified) or a result of +target activity (e.g., target stopped). The following is a preliminary list of possible out-of-band records. @table @code - -@item ``*'' ``stop'' - +@item "*" "stop" @end table -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Command Description Format +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Command Description Format +@section @sc{gdb/mi} Command Description Format -The remaining chapters describe blocks of commands. Each block of +The remaining sections describe blocks of commands. Each block of commands is laid out in a fashion similar to this chapter. Note the the line breaks shown in the examples are here only for readability. They don't appear in the real output. -Note that the commands with a non available example (N.A.) are not yet -implemented. +Also note that the commands with a non-available example (N.A.@:) are +not yet implemented. -@section Motivation +@subheading Motivation -What motivates the collection of commands +The motivation for this collection of commands -@section Introduction +@subheading Introduction -Brief introduction to the commands as a whole. +A brief introduction to this collection of commands as a whole. -@section Operations +@subheading Commands -@subsection -command <args>... +For each command in the block, the following is described: -@subsubsection Result +@subsubheading Synopsis -@subsubsection Out-of-band +@example + -command @var{args}... +@end example -@subsubsection Notes +@subsubheading GDB Command -@subsubsection Example +The corresponding GDB CLI command. +@subsubheading Result -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Breakpoint table commands +@subsubheading Out-of-band + +@subsubheading Notes + +@subsubheading Example -@section -break-after <number> <count> -The breakpoint number <number> is not in effect until it has been hit <count> times. -Note how this is reflected in the output of the -break-list command. -@subsection GDB command -ignore +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Breakpoint Table Commands +@section @sc{gdb/mi} Breakpoint table commands + +@cindex breakpoint commands for @sc{gdb/mi} +@cindex @sc{gdb/mi}, breakpoint commands +This section documents @sc{gdb/mi} commands for manipulating +breakpoints. + +@subheading The @code{-break-after} Command +@findex -break-after + +@subsubheading Synopsis -@subsection Example @example -(gdb) + -break-after @var{number} @var{count} +@end example + +The breakpoint number @var{number} is not in effect until it has been +hit @var{count} times. To see how this is reflected in the output of +the @samp{-break-list} command, see the description of the +@samp{-break-list} command below. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{ignore}. + +@subsubheading Example + +@smallexample +(gdb) -break-insert main ^done,bkpt=@{number="1",addr="0x000100d0",file="hello.c",line="5"@} -(gdb) +(gdb) -break-after 1 3 ~ ^done -(gdb) +(gdb) -break-list ^done,BreakpointTable=@{hdr=@{"Num","Type","Disp","Enb","Address","What"@}, bkpt=@{number="1",type="breakpoint",disp="keep",enabled="y", -addr="0x000100d0",func="main",file="hello.c",line="5",times="0",ignore="3"@}@} -(gdb) -@end example +addr="0x000100d0",func="main",file="hello.c",line="5",times="0", +ignore="3"@}@} +(gdb) +@end smallexample + +@ignore +@subheading The @code{-break-catch} Command +@findex -break-catch + +@subheading The @code{-break-commands} Command +@findex -break-commands +@end ignore -@c @section -break-catch -@c @section -break-commands +@subheading -break-condition +@findex -break-condition + +@subsubheading Synopsis -@section -break-condition <number> <expr> -Breakpoint <number> will stop the program only if the condition in <expr> is true. -The condition becomes part of the -break-list output. -@subsection GDB command -condition -@subsection Example @example -(gdb) + -break-condition @var{number} @var{expr} +@end example + +Breakpoint @var{number} will stop the program only if the condition in +@var{expr} is true. The condition becomes part of the +@samp{-break-list} output (see the description of the @samp{-break-list} +command below). + +@subsubheading GDB Command + +The corresponding GDB command is @samp{condition}. + +@subsubheading Example + +@smallexample +(gdb) -break-condition 1 1 ^done -(gdb) +(gdb) -break-list ^done,BreakpointTable=@{hdr=@{"Num","Type","Disp","Enb","Address","What"@}, bkpt=@{number="1",type="breakpoint",disp="keep",enabled="y", -addr="0x000100d0",func="main",file="hello.c",line="5",cond="1",times="0",ignore="3"@}@} -(gdb) +addr="0x000100d0",func="main",file="hello.c",line="5",cond="1", +times="0",ignore="3"@}@} +(gdb) +@end smallexample + +@subheading The @code{-break-delete} Command +@findex -break-delete + +@subsubheading Synopsis + +@example + -break-delete ( @var{breakpoint} )+ @end example -@section -break-delete @{ <breakpoint> @}+ -Delete the breakpoint(s) specified in the argument list. This is -obviously reflected in the breakpoint list. -@subsection GDB command -delete -@subsection Example +Delete the breakpoint(s) whose number(s) are specified in the argument +list. This is obviously reflected in the breakpoint list. + +@subsubheading GDB command + +The corresponding GDB command is @samp{delete}. + +@subsubheading Example + @example -(gdb) --break-delete 1 +(gdb) +-break-delete 1 ^done -(gdb) +(gdb) -break-list ^done,BreakpointTable=@{@} -(gdb) +(gdb) @end example -@section -break-disable @{ <breakpoint> @}+ -Disable the breakpoint(s). Note how the field 'enabled' in the break -list is now set to 'n'. -@subsection GDB command -disable -@subsection Example +@subheading The @code{-break-disable} Command +@findex -break-disable + +@subsubheading Synopsis + @example -(gdb) + -break-disable ( @var{breakpoint} )+ +@end example + +Disable the named @var{breakpoint}(s). The field @samp{enabled} in the +break list is now set to @samp{n} for the named @var{breakpoint}(s). + +@subsubheading GDB Command + +The corresponding GDB command is @samp{disable}. + +@subsubheading Example + +@smallexample +(gdb) -break-disable 2 ^done -(gdb) +(gdb) -break-list ^done,BreakpointTable=@{hdr=@{"Num","Type","Disp","Enb","Address","What"@}, bkpt=@{number="2",type="breakpoint",disp="keep",enabled="n", addr="0x000100d0",func="main",file="hello.c",line="5",times="0"@}@} -(gdb) -@end example +(gdb) +@end smallexample + +@subheading The @code{-break-enable} Command +@findex -break-enable + +@subsubheading Synopsis -@section -break-enable @{ <breakpoint> @}+ -Enable a previously disabled breakpoint(s). -@subsection GDB command -enable -@subsection Example @example -(gdb) -enable 2 + -break-enable ( @var{breakpoint} )+ +@end example + +Enable (previously disabled) @var{breakpoint}(s). + +@subsubheading GDB Command + +The corresponding GDB command is @samp{enable}. + +@subsubheading Example + +@smallexample +(gdb) +-break-enable 2 ^done -(gdb) +(gdb) -break-list ^done,BreakpointTable=@{hdr=@{"Num","Type","Disp","Enb","Address","What"@}, bkpt=@{number="2",type="breakpoint",disp="keep",enabled="y", addr="0x000100d0",func="main",file="hello.c",line="5",times="0"@}@} -(gdb) +(gdb) +@end smallexample + +@subheading The @code{-break-info} Command +@findex -break-info + +@subsubheading Synopsis + +@example + -break-info @var{breakpoint} @end example -@section -break-info <breakpoint> -REDUNDANT??? Get information about a single breakpoint. -@subsection GDB command -@subsection Example +@c REDUNDANT??? +Get information about a single breakpoint. + +@subsubheading GDB command + +The corresponding GDB command is @samp{info break @var{breakpoint}}. + +@subsubheading Example N.A. -@section -break-insert [ "-t" ] [ "-h" ] [ "-r" ] [ "-c" <condition> ] [ "-i" <ignore-count> ] [ "-p" <thread> ] [ <line> | <addr> ] +@subheading The @code{-break-insert} Command +@findex -break-insert + +@subsubheading Synopsis + +@example + -break-insert [ -t ] [ -h ] [ -r ] + [ -c @var{condition} ] [ -i @var{ignore-count} ] + [ -p @var{thread} ] [ @var{line} | @var{addr} ] +@end example + +@noindent +If specified, @var{line}, can be one of: -<line>, if specified, accordingly to the gdb manual can be one of: @itemize @bullet @item function @c @item +offset @@ -546,82 +755,109 @@ N.A. @item *address @end itemize -The possible forms of this command are: +The possible optional parameters of this command are: @table @samp @item -t Insert a tempoary breakpoint. @item -h Insert a hardware breakpoint. -@item -c <condition> -Make the breakpoint conditional on <condition> -@item -i <ignore-count> -Initialize the <ignore-count> +@item -c @var{condition} +Make the breakpoint conditional on @var{condition}. +@item -i @var{ignore-count} +Initialize the @var{ignore-count}. @item -r Insert a regular breakpoint in all the functions whose names match the given regular expression. Other flags are not applicable to regular expresson. @end table +@subsubheading Result The result is in the form: -^done,bkptno="<gdb number for this breakpoint>",func="<name of the -function where the breakpoint was inserted>",file="<source file which -contains this function>",line="<source line number within the file>" - -Note: this is open to change. An out-of-band breakpoint instead of part -of the result? -@subsection GDB command -break, tbreak, hbreak, thbreak, rbreak. -@subsection Example @example -(gdb) + ^done,bkptno="@var{number}",func="@var{funcname}", + file="@var{filename}",line="@var{lineno}" +@end example + +@noindent +where @var{number} is the GDB number for this breakpoint, @var{funcname} +is the name of the function where the breakpoint was inserted, +@var{filename} is the name of the source file which contains this +function, and @var{lineno} is the source line number within that file. + +Note: this format is open to change. +@c An out-of-band breakpoint instead of part of the result? + +@subsubheading GDB Command + +The corresponding GDB commands are @samp{break}, @samp{tbreak}, +@samp{hbreak}, @samp{thbreak}, and @samp{rbreak}. + +@subsubheading Example + +@smallexample +(gdb) -break-insert main ^done,bkpt=@{number="1",addr="0x0001072c",file="recursive2.c",line="4"@} -(gdb) +(gdb) -break-insert -t foo ^done,bkpt=@{number="2",addr="0x00010774",file="recursive2.c",line="11"@} -(gdb) +(gdb) -break-list ^done,BreakpointTable=@{hdr=@{"Num","Type","Disp","Enb","Address","What"@}, -bkpt=@{number="1",type="breakpoint",disp="keep",enabled="y",addr="0x0001072c", -func="main",file="recursive2.c",line="4",times="0"@}, -bkpt=@{number="2",type="breakpoint",disp="del",enabled="y",addr="0x00010774", -func="foo",file="recursive2.c",line="11",times="0"@}@} -(gdb) +bkpt=@{number="1",type="breakpoint",disp="keep",enabled="y", +addr="0x0001072c", func="main",file="recursive2.c",line="4",times="0"@}, +bkpt=@{number="2",type="breakpoint",disp="del",enabled="y", +addr="0x00010774",func="foo",file="recursive2.c",line="11",times="0"@}@} +(gdb) -break-insert -r foo.* ~int foo(int, int); ^done,bkpt=@{number="3",addr="0x00010774",file="recursive2.c",line="11"@} -(gdb) +(gdb) +@end smallexample + +@subheading The @code{-break-list} Command +@findex -break-list + +@subsubheading Synopsis + +@example + -break-list @end example -@section -break-list Displays the list of inserted breakpoints, showing the following fields: + @table @samp @item Number -Number of the breakpoint +number of the breakpoint @item Type -Type of the breakpoint: breakpoint or watchpoint +type of the breakpoint: @samp{breakpoint} or @samp{watchpoint} @item Disposition -Should the breakpoint be deleted or disabled when it is hit: keep or nokeep +should the breakpoint be deleted or disabled when it is hit: @samp{keep} +or @samp{nokeep} @item Enabled -Is the breakpoint enabled or no: y or n +is the breakpoint enabled or no: @samp{y} or @samp{n} @item Address -Memory location at which the breakpoint is set. +memory location at which the breakpoint is set @item What -Logical location of the breakpoint, expressed by function name, file name, line number. +logical location of the breakpoint, expressed by function name, file +name, line number @item times -Number of times the breakpoint has been hit. +number of times the breakpoint has been hit @end table If there are no breakpoints or watchpoints, the BreakpointTable field is an empty list. -@subsection GDB command -info break -@subsection Example 1 -@example +@subsubheading GDB Command + +The corresponding GDB command is @samp{info break}. + +@subsubheading Example + +@smallexample (gdb) -break-list ^done,BreakpointTable=@{hdr=@{"Num","Type","Disp","Enb","Address","What"@}, @@ -630,277 +866,386 @@ addr="0x000100d0",func="main",file="hello.c",line="5",times="0"@}, bkpt=@{number="2",type="breakpoint",disp="keep",enabled="y", addr="0x00010114",func="foo",file="hello.c",line="13",times="0"@}@} (gdb) -@end example -@subsection Example 2 -@example +@end smallexample + +Here's an example of the result when there are no breakpoints: + +@smallexample (gdb) -break-list ^done,BreakpointTable=@{@} -(gdb) +(gdb) +@end smallexample + +@subheading The @code{-break-watch} Command +@findex -break-watch + +@subsubheading Synopsis + +@example + -break-watch [ -a | -r ] @end example -@section -break-watch [ "-a" | "-r" ] -Create a watchpoint. With the ``-a'' option it will create an access -watchpoint, i.e. a watchpoints that triggers either on a read or on a -write on the memory location. With the ``-r'' option, the watchoint -created is a read watchpoint, i.e. it will trigger only when the memory -location os accessed for reading. Without either of the options, the -watchpoint created is a regular watchpoint, i.e. it will trigger whe the -memory location is accessed for writing. +Create a watchpoint. With the @samp{-a} option it will create an +@dfn{access} watchpoint, i.e. a watchpoints that triggers either on a +read from or on a write to the memory location. With the @samp{-r} +option, the watchpoint created is a @dfn{read} watchpoint, i.e. it will +trigger only when the memory location is accessed for reading. Without +either of the options, the watchpoint created is a regular watchpoint, +i.e. it will trigger when the memory location is accessed for writing. +@xref{Set Watchpoints, , Setting watchpoints}. -Note that ``-break-list'' will report a single list of watchpoints and +Note that @samp{-break-list} will report a single list of watchpoints and breakpoints inserted. -@subsection GDB command -watch, awatch, rwatch +@subsubheading GDB Command -@subsection Example 1 -Watchpoint on a variable in main(). -@example -(gdb) +The corresponding GDB commands are @samp{watch}, @samp{awatch}, and +@samp{rwatch}. + +@subsubheading Example + +Setting a watchpoint on a variable in the @code{main} function: + +@smallexample +(gdb) -break-watch x ^done,wpt=@{number="2",exp="x"@} -(gdb) --exec-continue +(gdb) +-exec-continue ^running ^done,reason="watchpoint-trigger",wpt=@{number="2",exp="x"@}, value=@{old="-268439212",new="55"@}, frame=@{func="main",args=@{@},file="recursive2.c",line="5"@} -(gdb) -@end example -@subsection Example 2 -Watchpoint on a variable local to a function. Gdb will stop the program execution -twice: first for the variable changing value, then for the watchpoint going out of scope. -@example -(gdb) +(gdb) +@end smallexample + +Setting a watchpoint on a variable local to a function. GDB will stop +the program execution twice: first for the variable changing value, then +for the watchpoint going out of scope. + +@smallexample +(gdb) -break-watch C ^done,wpt=@{number="5",exp="C"@} -(gdb) +(gdb) -exec-continue ^running ^done,reason="watchpoint-trigger", wpt=@{number="5",exp="C"@},value=@{old="-276895068",new="3"@}, -frame=@{func="callee4",args=@{@},file="../../../devo/gdb/testsuite/gdb.mi/basics.c", -line="13"@} -(gdb) +frame=@{func="callee4",args=@{@}, +file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="13"@} +(gdb) -exec-continue ^running ^done,reason="watchpoint-scope",wpnum="5", -frame=@{func="callee3",args=@{@{name="strarg",value="0x11940 \"A string argument.\""@}@}, +frame=@{func="callee3",args=@{@{name="strarg", +value="0x11940 \"A string argument.\""@}@}, file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="18"@} -(gdb) -@end example +(gdb) +@end smallexample -@subsection Example 3 -Listing breakpoints and watchpoints, at different points in the program execution. -Note that once the watchpoint goes out of scope, it is deleted. -@example -(gdb) +Listing breakpoints and watchpoints, at different points in the program +execution. Note that once the watchpoint goes out of scope, it is +deleted. + +@smallexample +(gdb) -break-watch C ^done,wpt=@{number="2",exp="C"@} -(gdb) --break-list +(gdb) +-break-list ^done,BreakpointTable=@{hdr=@{"Num","Type","Disp","Enb","Address","What"@}, -bkpt=@{number="1",type="breakpoint",disp="keep",enabled="y",addr="0x00010734", -func="callee4", +bkpt=@{number="1",type="breakpoint",disp="keep",enabled="y", +addr="0x00010734",func="callee4", file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="8",times="1"@}, bkpt=@{number="2",type="watchpoint",disp="keep", enabled="y",addr="",what="C",times="0"@}@} -(gdb) +(gdb) -exec-continue ^running ^done,reason="watchpoint-trigger",wpt=@{number="2",exp="C"@}, value=@{old="-276895068",new="3"@}, frame=@{func="callee4",args=@{@}, file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="13"@} -(gdb) +(gdb) -break-list ^done,BreakpointTable=@{hdr=@{"Num","Type","Disp","Enb","Address","What"@}, -bkpt=@{number="1",type="breakpoint",disp="keep",enabled="y",addr="0x00010734", -func="callee4", +bkpt=@{number="1",type="breakpoint",disp="keep",enabled="y", +addr="0x00010734",func="callee4", file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="8",times="1"@}, bkpt=@{number="2",type="watchpoint",disp="keep", enabled="y",addr="",what="C",times="-5"@}@} -(gdb) +(gdb) -exec-continue ^running ^done,reason="watchpoint-scope",wpnum="2", -frame=@{func="callee3",args=@{@{name="strarg",value="0x11940 \"A string argument.\""@}@}, +frame=@{func="callee3",args=@{@{name="strarg", +value="0x11940 \"A string argument.\""@}@}, file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="18"@} -(gdb) +(gdb) -break-list ^done,BreakpointTable=@{hdr=@{"Num","Type","Disp","Enb","Address","What"@}, -bkpt=@{number="1",type="breakpoint",disp="keep",enabled="y",addr="0x00010734", -func="callee4", +bkpt=@{number="1",type="breakpoint",disp="keep",enabled="y", +addr="0x00010734",func="callee4", file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="8",times="1"@}@} -(gdb) -@end example -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Data manipulation +(gdb) +@end smallexample + +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Data Manipulation +@section @sc{gdb/mi} Data Manipulation -@c REMOVED FROM THE ITNERFACE. -@c @section -data-assign +@cindex data manipulation, in @sc{gdb/mi} +@cindex @sc{gdb/mi}, data manipulation +This section describes the @sc{gdb/mi} commands that manipulate data: +examine memory and registers, evaluate expressions, etc. + +@c REMOVED FROM THE INTERFACE. +@c @subheading -data-assign @c Change the value of a program variable. Plenty of side effects. -@c @subsection GDB command +@c @subsubheading GDB command @c set variable -@c @subsection Example +@c @subsubheading Example @c N.A. -@section -data-disassemble ( -s <start-addr> -e <end-addr> ) | (-f <filename> -l <linenum> [-n <lines> ]] -- <mode> -Where +@subheading The @code{-data-disassemble} Command +@findex -data-disassemble + +@subsubheading Synopsis + +@example + -data-disassemble + [ -s @var{start-addr} -e @var{end-addr} ] + | [ -f @var{filename} -l @var{linenum} [ -n @var{lines} ] ] + -- @var{mode} +@end example + +@noindent +Where: + @table @samp -@item <start-addr> -Is the beginning address (or $pc). -@item <end-addr> -End address. -@item <filename> -Name of the file to disassemble. -@item <linenum> -Line number to disassemble around. -@item <number-of-lines> -specifies the number of disassembly lines to be produced. If it is -1 -the whole function will be disassembled, in case no <end> address is -specified. If <end> is specified as a non-zero value, and -<number-of-lines> is lower that the number of disassembly lines between -<begin> and <end>, we'll display only <number-of-lines> lines, vice -versa if <number-of-lines> is higher than the number of lines between -<begin> and <end>, we'll display only the lines up to <end>. -@item <mode> -can be 0 (only disassembly) or 1 (mixed source and disassembly). +@item @var{start-addr} +is the beginning address (or @code{$pc}) +@item @var{end-addr} +is the end address +@item @var{filename} +is the name of the file to disassemble +@item @var{linenum} +is the line number to disassemble around +@item @var{lines} +is the the number of disassembly lines to be produced. If it is -1, +the whole function will be disassembled, in case no @var{end-add} is +specified. If @var{end-addr} is specified as a non-zero value, and +@var{lines} is lower that the number of disassembly lines between +@var{start-addr} and @var{end-addr}, only @var{lines} lines are +displayed; if @var{lines} is higher than the number of lines between +@var{start-addr} and @var{end-addr}, only the lines up to @var{end-addr} +are displayed. +@item @var{mode} +is either 0 (meaning only disassembly) or 1 (meaning mixed source and +disassembly) @end table +@subsubheading Result + The output for each instruction is composed of two fields: + @itemize @bullet @item Address @item Func-name @item Offset @item Instruction @end itemize + Note that whatever included in the instruction field, is not manipulated -directely by Flathead, i.e. it is not possible to adjust its format. -@subsection GDB command -N.A. No direct mapping. +directely by flathead, i.e. it is not possible to adjust its format. -@subsection Example 1 -Disassemble from the current PC value to PC + 20. +@subsubheading GDB Command -@example +There's no direct mapping from this command to the CLI. + +@subsubheading Example + +Disassemble from the current value of @code{$pc} to @code{$pc + 20}: + +@smallexample (gdb) --data-disassemble -s $pc -e "$pc + 20" -- 0 +-data-disassemble -s $pc -e "$pc + 20" -- 0 ^done, -asm_insns={ -{address="0x000107c0",func-name="main",offset="4", -inst="mov 2, %o0"}, -{address="0x000107c4",func-name="main",offset="8", -inst="sethi %hi(0x11800), %o2"}, -{address="0x000107c8",func-name="main",offset="12", -inst="or %o2, 0x140, %o1\t! 0x11940 <_lib_version+8>"}, -{address="0x000107cc",func-name="main",offset="16", -inst="sethi %hi(0x11800), %o2"}, -{address="0x000107d0",func-name="main",offset="20", -inst="or %o2, 0x168, %o4\t! 0x11968 <_lib_version+48>"}} +asm_insns=@{ +@{address="0x000107c0",func-name="main",offset="4", +inst="mov 2, %o0"@}, +@{address="0x000107c4",func-name="main",offset="8", +inst="sethi %hi(0x11800), %o2"@}, +@{address="0x000107c8",func-name="main",offset="12", +inst="or %o2, 0x140, %o1\t! 0x11940 <_lib_version+8>"@}, +@{address="0x000107cc",func-name="main",offset="16", +inst="sethi %hi(0x11800), %o2"@}, +@{address="0x000107d0",func-name="main",offset="20", +inst="or %o2, 0x168, %o4\t! 0x11968 <_lib_version+48>"@}@} (gdb) -@end example +@end smallexample -@subsection Example 2 -Disassemble the whole function main. Line 32 is part of main. -@example +Disassemble the whole @code{main} function. Line 32 is part of +@code{main}. + +@smallexample -data-disassemble -f basics.c -l 32 -- 0 -^done,asm_insns={ -{address="0x000107bc",func-name="main",offset="0",inst="save %sp, -112, %sp"}, -{address="0x000107c0",func-name="main",offset="4",inst="mov 2, %o0"}, -{address="0x000107c4",func-name="main",offset="8",inst="sethi %hi(0x11800), %o2"}, +^done,asm_insns=@{ +@{address="0x000107bc",func-name="main",offset="0", +inst="save %sp, -112, %sp"@}, +@{address="0x000107c0",func-name="main",offset="4", +inst="mov 2, %o0"@}, +@{address="0x000107c4",func-name="main",offset="8", +inst="sethi %hi(0x11800), %o2"@}, [...] -{address="0x0001081c",func-name="main",offset="96",inst="ret "}, -{address="0x00010820",func-name="main",offset="100",inst="restore "}} +@{address="0x0001081c",func-name="main",offset="96",inst="ret "@}, +@{address="0x00010820",func-name="main",offset="100",inst="restore "@}@} (gdb) -@end example +@end smallexample -@subsection Example 3 -Disassemble 3 instruction from the start of main. -@example -(gdb) +Disassemble 3 instruction from the start of @code{main}: + +@smallexample +(gdb) -data-disassemble -f basics.c -l 32 -n 3 -- 0 -^done,asm_insns={ -{address="0x000107bc",func-name="main",offset="0",inst="save %sp, -112, %sp"}, -{address="0x000107c0",func-name="main",offset="4",inst="mov 2, %o0"}, -{address="0x000107c4",func-name="main",offset="8",inst="sethi %hi(0x11800), %o2"}} -(gdb) -@end example +^done,asm_insns=@{ +@{address="0x000107bc",func-name="main",offset="0", +inst="save %sp, -112, %sp"@}, +@{address="0x000107c0",func-name="main",offset="4", +inst="mov 2, %o0"@}, +@{address="0x000107c4",func-name="main",offset="8", +inst="sethi %hi(0x11800), %o2"@}@} +(gdb) +@end smallexample -@subsection Example 4 -Disassemble 3 instruction from the start of main in mixed mode. -@example -(gdb) +Disassemble 3 instruction from the start of @code{main} in mixed mode: + +@smallexample +(gdb) -data-disassemble -f basics.c -l 32 -n 3 -- 1 -^done,asm_insns={ -src_and_asm_line={line="31", -file="/kwikemart/marge/ezannoni/flathead-dev/devo/gdb/testsuite/gdb.mi/basics.c", -line_asm_insn={ -{address="0x000107bc",func-name="main",offset="0",inst="save %sp, -112, %sp"}}}, - -src_and_asm_line={line="32", -file="/kwikemart/marge/ezannoni/flathead-dev/devo/gdb/testsuite/gdb.mi/basics.c", -line_asm_insn={ -{address="0x000107c0",func-name="main",offset="4",inst="mov 2, %o0"}, -{address="0x000107c4",func-name="main",offset="8",inst="sethi %hi(0x11800), %o2"}}}} -(gdb) -@end example - -@section -data-evaluate-expression -Evaluate an expression. The expression could contain an inferior -function call. The function call will execute synchronously. -If the expression contains spaces, it must be enclosed in double quotes. -@subsection GDB command -print, output, gdb_eval -@subsection Example +^done,asm_insns=@{ +src_and_asm_line=@{line="31", +file="/kwikemart/marge/ezannoni/flathead-dev/devo/gdb/ \ + testsuite/gdb.mi/basics.c",line_asm_insn=@{ +@{address="0x000107bc",func-name="main",offset="0", +inst="save %sp, -112, %sp"@}@}@}, + +src_and_asm_line=@{line="32", +file="/kwikemart/marge/ezannoni/flathead-dev/devo/gdb/ \ + testsuite/gdb.mi/basics.c",line_asm_insn=@{ +@{address="0x000107c0",func-name="main",offset="4", +inst="mov 2, %o0"@}, +@{address="0x000107c4",func-name="main",offset="8", +inst="sethi %hi(0x11800), %o2"@}@}@}@} +(gdb) +@end smallexample + + +@subheading The @code{-data-evaluate-expression} Command +@findex -data-evaluate-expression + +@subsubheading Synopsis + @example + -data-evaluate-expression @var{expr} +@end example + +Evaluate @var{expr} as an expression. The expression could contain an +inferior function call. The function call will execute synchronously. +If the expression contains spaces, it must be enclosed in double quotes. + +@subsubheading GDB Command + +The corresponding GDB commands are @samp{print}, @samp{output}, and +@code{call}. In @code{gdbtk} only, there's a corresponding +@samp{gdb_eval} command. + +@subsubheading Example + +In the following example, the numbers that precede the commands are the +@dfn{tokens} described in @ref{GDB/MI Command Syntax, , @sc{gdb/mi} +Command Syntax}. Notice how @sc{gdb/mi} returns the same tokens in its +output. + +@smallexample 211-data-evaluate-expression A 211^done,value="1" -(gdb) +(gdb) 311-data-evaluate-expression &A 311^done,value="0xefffeb7c" (gdb) 411-data-evaluate-expression A+3 411^done,value="4" -(gdb) +(gdb) 511-data-evaluate-expression "A + 3" 511^done,value="4" -(gdb) +(gdb) +@end smallexample + + +@subheading The @code{-data-list-changed-registers} Command +@findex -data-list-changed-registers + +@subsubheading Synopsis + +@example + -data-list-changed-registers @end example -@section -data-list-changed-registers Display a list of the registers that have changed. -@subsection GDB command -gdb_changed_register_list. This is in gdbtk only. -@subsection Example -On a PPC MBX board. -@example -(gdb) + +@subsubheading GDB Command + +GDB doesn't have a direct analog for this command; @code{gdbtk} has the +corresponding command @samp{gdb_changed_register_list}. + +@subsubheading Example + +On a PPC MBX board: + +@smallexample +(gdb) -exec-continue ^running -(gdb) +(gdb) *stopped,reason="breakpoint-hit",bkptno="1",frame=@{func="main", args=@{@},file="try.c",line="5"@} -(gdb) +(gdb) -data-list-changed-registers ^done,changed-registers=@{"0","1","2","4","5","6","7","8","9", "10","11","13","14","15","16","17","18","19","20","21","22","23", "24","25","26","27","28","30","31","64","65","66","67","69"@} -(gdb) +(gdb) +@end smallexample + + +@subheading The @code{-data-list-register-names} Command +@findex -data-list-register-names + +@subsubheading Synopsis + +@example + -data-list-register-names [ ( @var{regno} )+ ] @end example -@section -data-list-register-names Show a list of register names for the current target. If no arguments are given, it shows a list of the names of all the registers. If integer numbers are given as arguments, it will print a list of the -names corresponding to the arguments. -@subsection GDB command -gdb_regnames -@subsection Example +names of the registers corresponding to the arguments. + +@subsubheading GDB Command + +GDB does not have a command which corresponds to +@samp{-data-list-register-names}. In @code{gdbtk} there is a +corresponding command @samp{gdb_regnames}. + +@subsubheading Example + For the PPC MBX board: -@example +@smallexample (gdb) -data-list-register-names ^done,register-names=@{"r0","r1","r2","r3","r4","r5","r6","r7", @@ -913,35 +1258,56 @@ For the PPC MBX board: (gdb) -data-list-register-names 1 2 3 ^done,register-names=@{"r1","r2","r3"@} -(gdb) -@end example +(gdb) +@end smallexample -@section -data-list-register-values -Display the registers contents. Arguments are the format according to -which the registers contents are to be returned, and a list of numbers -specifying the registers to display. A missing list of number indicates -that the contents of all the registers must be returned. -Allowed formats are: -@itemize @bullet -@item 'x': Hexadecimal -@item 'o': Octal -@item 't': Binary -@item 'd': Decimal -@item 'r': Raw -@item 'N': Natural -@end itemize +@subheading The @code{-data-list-register-values} Command +@findex -data-list-register-values + +@subsubheading Synopsis -@subsection GDB command -info reg, info all-reg AND/OR gdb_fetch_registers -@subsection Example -For a PPC MBX board. Note, line breaks are for readability only, they -don't appear in the actual output. @example -(gdb) + -data-list-register-values @var{fmt} [ ( @var{regno} )*] +@end example + +Display the registers contents. @var{fmt} is the format according to +which the registers contents are to be returned, followed by an optional +list of numbers specifying the registers to display. A missing list of +numbers indicates that the contents of all the registers must be returned. + +Allowed formats for @var{fmt} are: + +@table @code +@item x +Hexadecimal +@item o +Octal +@item t +Binary +@item d +Decimal +@item r +Raw +@item N +Natural +@end table + +@subsubheading GDB Command + +The corresponding GDB commands are @samp{info reg}, @samp{info all-reg}, +and (in @code{gdbtk}) @samp{gdb_fetch_registers}. + +@subsubheading Example + +For a PPC MBX board (note: line breaks are for readability only, they +don't appear in the actual output): + +@smallexample +(gdb) -data-list-register-values r 64 65 ^done,register-values=@{@{number="64",value="0xfe00a300"@}, @{number="65",value="0x00029002"@}@} -(gdb) +(gdb) -data-list-register-values x ^done,register-values=@{@{number="0",value="0xfe0043c8"@}, @{number="1",value="0x3fff88"@},@{number="2",value="0xfffffffe"@}, @@ -979,51 +1345,80 @@ don't appear in the actual output. @{number="65",value="0x29002"@},@{number="66",value="0x202f04b5"@}, @{number="67",value="0xfe0043b0"@},@{number="68",value="0xfe00b3e4"@}, @{number="69",value="0x20002b03"@}@} -(gdb) +(gdb) +@end smallexample + + +@subheading The @code{-data-read-memory} Command +@findex -data-read-memory + +@subsubheading Synopsis + +@example + -data-read-memory [ -o @var{byte-offset} ] + @var{address} @var{word-format} @var{word-size} + @var{nr-rows} @var{nr-cols} [ @var{aschar} ] @end example -@section -data-read-memory [ -o <byte-offset> ] [ -- ] <address> <word-format> <word-size> <nr-rows> <nr-cols> [ <aschar> ] -Where +@noindent +where: + @table @samp -@item <address> +@item @var{address} An expression specifying the address of the first memory word to be read. Complex expressions containing embedded white space should be quoted using the C convention. -@item <word-format> + +@item @var{word-format} The format to be used to print the memory words. The notation is the -same as for GDB's @code{print} command. -@item <word-size> +same as for GDB's @code{print} command (@pxref{Output Formats, , Output +formats}). + +@item @var{word-size} The size of each memory word in bytes. -@item <nr-rows> + +@item @var{nr-rows} The number of rows in the output table. -@item <nr-cols> + +@item @var{nr-cols} The number of columns in the output table. -@item <aschar> -If present, indicates that each row should include an ascii dump. The -value of <aschar> is used as a padding character when a byte is not a -member of the printable ascii character set (@code{<32} or @code{>126}). -@item <byte-offset> -An offset to add to the <address> before fetching memory. + +@item @var{aschar} +If present, indicates that each row should include an @sc{ascii} dump. The +value of @var{aschar} is used as a padding character when a byte is not a +member of the printable @sc{ascii} character set (printable @sc{ascii} +characters are those whose code is between 32 and 126, inclusively). + +@item @var{byte-offset} +An offset to add to the @var{address} before fetching memory. @end table -Display memory contents as a table of <nr-rows> by <nr-cols> words. -Each word being <word-size> bytes. In total @code{<nr-rows> * <nr-cols> -* <word-size>} bytes are read (returned as @code{total-bytes}. Should -less then the requested number of bytes be returned by the target, the -missing words are identified using @code{N/A}. The number of bytes read -from the target is returned in @code{nr-bytes} and the starting address -used to read memory by @code{addr}. + +This command displays memory contents as a table of @var{nr-rows} by +@var{nr-cols} words, each word being @var{word-size} bytes. In total, +@code{@var{nr-rows} * @var{nr-cols} * @var{word-size}} bytes are read +(returned as @samp{total-bytes}. Should less then the requested number +of bytes be returned by the target, the missing words are identified +using @samp{N/A}. The number of bytes read from the target is returned +in @samp{nr-bytes} and the starting address used to read memory in +@samp{addr}. The address of the next/previous page or row is available in -@code{next-row} and @code{prev-row}, @code{next-page} and -@code{prev-page}. -@subsection GDB command -x AND/OR gdb_get_mem AND/OR GDBtk's memory read. -@subsection Example 1 +@samp{next-row} and @samp{prev-row}, @samp{next-page} and +@samp{prev-page}. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{x}. @code{gdbtk} has +@samp{gdb_get_mem} memory read. + +@subsubheading Example + Read six bytes of memory starting at @code{bytes+6} but then offset by @code{-6} bytes. Format as three rows of two columns. One byte per word. Display each word in hex. -@example -(gdb) + +@smallexample +(gdb) 9-data-read-memory -o -6 -- bytes+6 x 1 3 2 9^done,addr="0x00001390",nr-bytes="6",total-bytes="6", next-row="0x00001396",prev-row="0x0000138e",next-page="0x00001396", @@ -1031,26 +1426,28 @@ prev-page="0x0000138a",memory=@{ @{addr="0x00001390",data=@{"0x00","0x01"@}@}, @{addr="0x00001392",data=@{"0x02","0x03"@}@}, @{addr="0x00001394",data=@{"0x04","0x05"@}@}@} -(gdb) -@end example -@subsection Example 2 +(gdb) +@end smallexample + Read two bytes of memory starting at address @code{shorts + 64} and display as a single word formatted in decimal. -@example -(gdb) + +@smallexample +(gdb) 5-data-read-memory shorts+64 d 2 1 1 5^done,addr="0x00001510",nr-bytes="2",total-bytes="2", next-row="0x00001512",prev-row="0x0000150e", next-page="0x00001512",prev-page="0x0000150e",memory=@{ @{addr="0x00001510",data=@{"128"@}@}@} -(gdb) -@end example -@subsection Example 3 +(gdb) +@end smallexample + Read thirty two bytes of memory starting at @code{bytes+16} and format as eight rows of four columns. Include a string encoding with @code{x} used as the non-printable character. -@example -(gdb) + +@smallexample +(gdb) 4-data-read-memory bytes+16 x 1 8 4 x 4^done,addr="0x000013a0",nr-bytes="32",total-bytes="32", next-row="0x000013c0",prev-row="0x0000139c", @@ -1063,645 +1460,1106 @@ next-page="0x000013c0",prev-page="0x00001380",memory=@{ @{addr="0x000013b4",data=@{"0x24","0x25","0x26","0x27"@},ascii="$%&'"@}, @{addr="0x000013b8",data=@{"0x28","0x29","0x2a","0x2b"@},ascii="()*+"@}, @{addr="0x000013bc",data=@{"0x2c","0x2d","0x2e","0x2f"@},ascii=",-./"@}@} -(gdb) +(gdb) +@end smallexample + +@subheading The @code{-display-delete} Command +@findex -display-delete + +@subsubheading Synopsis + +@example + -display-delete @var{number} @end example -@section -display-delete <number> -Delete the display <number>. -@subsection GDB command -delete display -@subsection Example +Delete the display @var{number}. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{delete display}. + +@subsubheading Example N.A. -@section -display-disable <number> -Disable display <number> -@subsection GDB command -disable display -@subsection Example + +@subheading The @code{-display-disable} Command +@findex -display-disable + +@subsubheading Synopsis + +@example + -display-disable @var{number} +@end example + +Disable display @var{number}. + +@subsubheading GDB Command + +the corresponding GDB command is @samp{disable display}. + +@subsubheading Example N.A. -@section -display-enable <number> -Enable display <number> -@subsection GDB command -enable display -@subsection Example + +@subheading The @code{-display-enable} Command +@findex -display-enable + +@subsubheading Synopsis + +@example + -display-enable @var{number} +@end example + +Enable display @var{number}. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{enable display}. + +@subsubheading Example N.A. -@section -display-insert <expression> -Display <expression> every time the program stops. -@subsection GDB command -display -@subsection Example + +@subheading The @code{-display-insert} Command +@findex -display-insert + +@subsubheading Synopsis + +@example + -display-insert @var{expression} +@end example + +Display @var{expression} every time the program stops. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{display}. + +@subsubheading Example N.A. -@section -display-list -List the displays. Do not show the current values. -@subsection GDB command -info display -@subsection Example + +@subheading The @code{-display-list} Command +@findex -display-list + +@subsubheading Synopsis + +@example + -display-list +@end example + +List the displays. Do not show the current values. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{info display}. + +@subsubheading Example N.A. -@section -environment-cd <pathdir> -Set GDB's working directory. -@subsection GDB command -cd -@subsection Example + +@subheading The @code{-environment-cd} Command +@findex -environment-cd + +@subsubheading Synopsis + @example -(gdb) + -environment-cd @var{pathdir} +@end example + +Set GDB's working directory. + +@subsubheading GDB Command + +the corresponding GDB command is @samp{cd}. + +@subsubheading Example + +@smallexample +(gdb) -environment-cd /kwikemart/marge/ezannoni/flathead-dev/devo/gdb ^done -(gdb) -@end example +(gdb) +@end smallexample + + +@subheading The @code{-environment-directory} Command +@findex -environment-directory + +@subsubheading Synopsis -@section -environment-directory <pathdir> -Add directory <pathdir> to beginning of search path for source files. -@subsection GDB command -dir -@subsection Example @example -(gdb) + -environment-directory @var{pathdir} +@end example + +Add directory @var{pathdir} to beginning of search path for source files. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{dir}. + +@subsubheading Example + +@smallexample +(gdb) -environment-directory /kwikemart/marge/ezannoni/flathead-dev/devo/gdb ^done (gdb) -@end example +@end smallexample + + +@subheading The @code{-environment-path} Command +@findex -environment-path + +@subsubheading Synopsis -@section -environment-path @{ <pathdir> @}+ -Add directories to beginning of search path for object files. -@subsection GDB command -path -@subsection Example @example -(gdb) + -environment-path ( @var{pathdir} )+ +@end example + +Add directories to beginning of search path for object files. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{path}. + +@subsubheading Example + +@smallexample +(gdb) -environment-path /kwikemart/marge/ezannoni/flathead-dev/ppc-eabi/gdb ^done (gdb) -@end example +@end smallexample + + +@subheading The @code{-environment-pwd} Command +@findex -environment-pwd + +@subsubheading Synopsis -@section -environment-pwd -Show the current working directory -@subsection GDB command -pwd -@subsection Example @example -(gdb) + -environment-pwd +@end example + +Show the current working directory. + +@subsubheading GDB command + +The corresponding GDB command is @samp{pwd}. + +@subsubheading Example + +@smallexample +(gdb) -environment-pwd ~Working directory /kwikemart/marge/ezannoni/flathead-dev/devo/gdb. ^done -(gdb) -@end example +(gdb) +@end smallexample -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Program control +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Program Control +@section @sc{gdb/mi} Program control + +@subsubheading Program termination -@section Program termination As a result of execution, the inferior program can run to completion, if it doesn't encouter any breakpoints. In this case the ouput will include an exit code, if the program has exited exceptionally. -@subsection Example 1 + +@subsubheading Examples: + +@noindent Program exited normally: -@example -(gdb) + +@smallexample +(gdb) -exec-run ^running (gdb) x = 55 *stopped,reason="exited-normally" -(gdb) -@end example +(gdb) +@end smallexample -@subsection Example 2 +@noindent Program exited exceptionally: -@example -(gdb) + +@smallexample +(gdb) -exec-run ^running (gdb) x = 55 *stopped,reason="exited",exit-code="01" -(gdb) -@end example +(gdb) +@end smallexample + +Another way the program can terminate is if it receives a signal such as +@code{SIGINT}. In this case, @sc{gdb/mi} displays this: + +@smallexample +(gdb) +*stopped,reason="exited-signalled",signal-name="SIGINT", +signal-meaning="Interrupt" +@end smallexample + + +@subheading The @code{-exec-abort} Command +@findex -exec-abort + +@subsubheading Synopsis -Another way the program can terminate is if it receives a signal like SIGINT. -@subsection Example -Program exited with signal (for a more complete example, see the exec-interrupt command). @example -(gdb) -*stopped,reason="exited-signalled",signal-name="SIGINT",signal-meaning="Interrupt" + -exec-abort @end example - -@section -exec-abort Kill the inferior running program. -@subsection GDB command -kill +@subsubheading GDB Command -@subsection Example +The corresponding GDB command is @samp{kill}. + +@subsubheading Example N.A. -@section -exec-arguments -Set the inferior program arguments, to be used in the next -exec-run. -@subsection GDB command -set args +@subheading The @code{-exec-arguments} Command +@findex -exec-arguments + +@subsubheading Synopsis + +@example + -exec-arguments @var{args} +@end example + +Set the inferior program arguments, to be used in the next +@samp{-exec-run}. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{set args}. + +@subsubheading Example -@subsection Example -Don't have it around. +@c FIXME! +Don't have one around. -@section -exec-continue -Asynchronous command. Resumes the execution of the inferior program until -a breakpoint is encountered, or the inferior exits. -@subsection GDB command -continue +@subheading The @code{-exec-continue} Command +@findex -exec-continue + +@subsubheading Synopsis -@subsection Example @example + -exec-continue +@end example + +Asynchronous command. Resumes the execution of the inferior program +until a breakpoint is encountered, or until the inferior exits. + +@subsubheading GDB Command + +The corresponding GDB corresponding is @samp{continue}. + +@subsubheading Example + +@smallexample -exec-continue ^running -(gdb) +(gdb) @@Hello world *stopped,reason="breakpoint-hit",bkptno="2",frame=@{func="foo",args=@{@}, file="hello.c",line="13"@} (gdb) -@end example +@end smallexample + -@section -exec-finish -Asynchronous command. Resumes the execution of the inferior program until the -current function is exited. Displays the results returned by the function (???). +@subheading The @code{-exec-finish} Command +@findex -exec-finish -@subsection GDB command -finish +@subsubheading Synopsis -@subsection Example 1 -Function returning 'void'. @example + -exec-finish +@end example + +Asynchronous command. Resumes the execution of the inferior program +until the current function is exited. Displays the results returned by +the function. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{finish}. + +@subsubheading Example + +Function returning @code{void}. + +@smallexample -exec-finish ^running -(gdb) +(gdb) @@hello from foo *stopped,reason="function-finished",frame=@{func="main",args=@{@}, file="hello.c",line="7"@} -(gdb) -@end example -@subsection Example 2 -Function returning other than 'void'. The name of the internal gdb variable storing the -result is printed, and the value itself. -@example +(gdb) +@end smallexample + +Function returning other than @code{void}. The name of the internal GDB +variable storing the result is printed, together with the value itself. + +@smallexample -exec-finish ^running -(gdb) +(gdb) *stopped,reason="function-finished",frame=@{addr="0x000107b0",func="foo", -args=@{@{name="a",value="1"@},@{name="b",value="9"@}@},file="recursive2.c",line="14"@}, +args=@{@{name="a",value="1"@},@{name="b",value="9"@}@}, +file="recursive2.c",line="14"@}, gdb-result-var="$1",return-value="0" -(gdb) +(gdb) +@end smallexample + +@subheading The @code{-exec-interrupt} Command +@findex -exec-interrupt + +@subsubheading Synopsis + +@example + -exec-interrupt @end example -@section -exec-interrupt + Asynchronous command. Interrupts the background execution of the target. Note how the token associated with the stop message is the one for the -execution command that has been interrupted. The token for the interrupt +execution command that has been interrupted. The token for the interrupt itself only appears in the '^done' output. If the user is trying to -interrupt a non running program, an error message will be printed. -@subsection GDB command -interrupt +interrupt a non-running program, an error message will be printed. -@subsection Example -@example -(gdb) +@subsubheading GDB Command + +The corresponding GDB command is @samp{interrupt}. + +@subsubheading Example + +@smallexample +(gdb) 111-exec-continue 111^running -(gdb) +(gdb) 222-exec-interrupt 222^done -(gdb) +(gdb) 111*stopped,signal-name="SIGINT",signal-meaning="Interrupt", frame=@{addr="0x00010140",func="foo",args=@{@},file="try.c",line="13"@} -(gdb) +(gdb) -(gdb) +(gdb) -exec-interrupt ^error,msg="mi_cmd_exec_interrupt: Inferior not executing." -(gdb) +(gdb) +@end smallexample + + +@subheading The @code{-exec-next} Command +@findex -exec-next + +@subsubheading Synopsis +@example + -exec-next @end example -@section -exec-next -Asynchronous command. Resumes execution of the inferior program, stopping +Asynchronous command. Resumes execution of the inferior program, stopping when the beginning of the next source line is reached. -@subsection GDB command -next +@subsubheading GDB Command -@subsection Example -@example +The corresponding GDB command is @samp{next}. + +@subsubheading Example + +@smallexample -exec-next ^running -(gdb) +(gdb) *stopped,reason="end-stepping-range",line="8",file="hello.c" -(gdb) +(gdb) +@end smallexample + + +@subheading The @code{-exec-next-instruction} Command +@findex -exec-next-instruction + +@subsubheading Synopsis + +@example + -exec-next-instruction @end example -@section -exec-next-instruction -Asynchronous command. Executes one machine instruction. If the +Asynchronous command. Executes one machine instruction. If the instruction is a function call continues until the function returns. If the program stops at an instruction in the middle of a source line, the address will be printed as well. -@subsection GDB command -nexti -@subsection Example -@example -(gdb) +@subsubheading GDB Command + +The corresponding GDB command is @samp{nexti}. + +@subsubheading Example + +@smallexample +(gdb) -exec-next-instruction ^running -(gdb) +(gdb) *stopped,reason="end-stepping-range", addr="0x000100d4",line="5",file="hello.c" -(gdb) -@end example +(gdb) +@end smallexample + -@section -exec-return -Makes current function return immediately. Doesn't execute the inferior. -It displays the new current frame. +@subheading The @code{-exec-return} Command +@findex -exec-return -@subsection GDB command -return +@subsubheading Synopsis -@subsection Example @example + -exec-return +@end example + +Makes current function return immediately. Doesn't execute the inferior. +Displays the new current frame. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{return}. + +@subsubheading Example + +@smallexample (gdb) 200-break-insert callee4 200^done,bkpt=@{number="1",addr="0x00010734", file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="8"@} (gdb) -000-exec-run +000-exec-run 000^running (gdb) 000*stopped,reason="breakpoint-hit",bkptno="1", frame=@{func="callee4",args=@{@}, file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="8"@} -(gdb) +(gdb) 205-break-delete 205^done (gdb) 111-exec-return 111^done,frame=@{level="0 ",func="callee3", -args=@{@{name="strarg",value="0x11940 \"A string argument.\""@}@}, +args=@{@{name="strarg", +value="0x11940 \"A string argument.\""@}@}, file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="18"@} (gdb) +@end smallexample + + +@subheading The @code{-exec-run} Command +@findex -exec-run + +@subsubheading Synopsis + +@example + -exec-run @end example -@section -exec-run -Asynchronous command. Starts execution of the inferior from the -beginning. The inferior executes until either a breakpoint is +Asynchronous command. Starts execution of the inferior from the +beginning. The inferior executes until either a breakpoint is encountered or the program exits. -@subsection GDB command -run +@subsubheading GDB Command -@subsection Example -@example -(gdb) +The corresponding GDB command is @samp{run} + +@subsubheading Example + +@smallexample +(gdb) -break-insert main ^done,bkpt=@{number="1",addr="0x0001072c",file="recursive2.c",line="4"@} -(gdb) +(gdb) -exec-run ^running -(gdb) +(gdb) *stopped,reason="breakpoint-hit",bkptno="1", frame=@{func="main",args=@{@},file="recursive2.c",line="4"@} -(gdb) -@end example +(gdb) +@end smallexample -@section -exec-show-arguments +@subheading The @code{-exec-show-arguments} Command +@findex -exec-show-arguments + +@subsubheading Synopsis + +@example + -exec-show-arguments +@end example + Print the arguments of the program. -@subsection GDB command -show args -@subsection Example + +@subsubheading GDB Command + +The corresponding GDB command is @samp{show args}. + +@subsubheading Example N.A. -@c @section -exec-signal +@c @subheading -exec-signal + +@subheading The @code{-exec-step} Command +@findex -exec-step + +@subsubheading Synopsis + +@example + -exec-step +@end example -@section -exec-step -Asynchronous command. Resumes execution of the inferior program, stopping +Asynchronous command. Resumes execution of the inferior program, stopping when the beginning of the next source line is reached, if the next -source line is not a function call. If it is, stop at the first +source line is not a function call. If it is, stop at the first instruction of the called function. -@subsection GDB command -step +@subsubheading GDB Command + +The corresponding GDB command is @samp{step}. + +@subsubheading Example -@subsection Example 1 Stepping into a function: -@example + +@smallexample -exec-step ^running -(gdb) -*stopped,reason="end-stepping-range",frame=@{func="foo",args=@{@{name="a",value="10"@}, +(gdb) +*stopped,reason="end-stepping-range", +frame=@{func="foo",args=@{@{name="a",value="10"@}, @{name="b",value="0"@}@},file="recursive2.c",line="11"@} -(gdb) -@end example -@subsection Example 2 -Regular stepping -@example +(gdb) +@end smallexample + +Regular stepping: + +@smallexample -exec-step ^running -(gdb) +(gdb) *stopped,reason="end-stepping-range",line="14",file="recursive2.c" -(gdb) +(gdb) +@end smallexample + + +@subheading The @code{-exec-step-instruction} Command +@findex -exec-step-instruction + +@subsubheading Synopsis + +@example + -exec-step-instruction @end example -@section -exec-step-instruction -Asynchronous command. Resumes the inferior which executes one machine -instruction. The output, once stop, will vary depend on whether we have +Asynchronous command. Resumes the inferior which executes one machine +instruction. The output, once stop, will vary depend on whether we have stopped in the middle of a source line or not. In the former case, the address at which the program stopped will be printed as well. -@subsection GDB command -stepi +@subsubheading GDB Command -@subsection Example -@example -(gdb) +The corresponding GDB command is @samp{stepi}. + +@subsubheading Example + +@smallexample +(gdb) -exec-step-instruction ^running -(gdb) +(gdb) *stopped,reason="end-stepping-range", frame=@{func="foo",args=@{@},file="try.c",line="10"@} -(gdb) +(gdb) -exec-step-instruction ^running -(gdb) +(gdb) *stopped,reason="end-stepping-range", frame=@{addr="0x000100f4",func="foo",args=@{@},file="try.c",line="10"@} -(gdb) +(gdb) +@end smallexample + + +@subheading The @code{-exec-until} Command +@findex -exec-until + +@subsubheading Synopsis + +@example + -exec-until [ @var{location} ] @end example -@section -exec-until -Asynchronous command. Executes the inferior until the location specified -in the argument is reached. If there is no argument, the inferior +Asynchronous command. Executes the inferior until the @var{location} +specified in the argument is reached. If there is no argument, the inferior executes until a source line greater than the current one is reached. The reason for stopping in this case will be ``location-reached''. -@subsection GDB command -until -@subsection Example -@example -(gdb) +@subsubheading GDB Command + +The corresponding GDB command is @samp{until}. + +@subsubheading Example + +@smallexample +(gdb) -exec-until recursive2.c:6 ^running -(gdb) +(gdb) x = 55 *stopped,reason="location-reached",frame=@{func="main",args=@{@}, file="recursive2.c",line="6"@} -(gdb) -@end example +(gdb) +@end smallexample -@section -file-clear +@ignore +@subheading -file-clear Is this going away???? +@end ignore + -@section -file-exec-and-symbols <file> -Specify the executable file to be debugged. This file is the one from -which the symbol table is also read. If no file is specified, it clears -the executable and symbol information. If breakpoints are set when -using this command with no arguments, gdb will produce errors. No output -is produced, except a completion notification. -@subsection GDB command -file <file> +@subheading The @code{-file-exec-and-symbols} Command +@findex -file-exec-and-symbols + +@subsubheading Synopsis -@subsection Example @example + -file-exec-and-symbols @var{file} +@end example + +Specify the executable file to be debugged. This file is the one from +which the symbol table is also read. If no file is specified, the +command clears the executable and symbol information. If breakpoints +are set when using this command with no arguments, gdb will produce +error messages. Oterwise, no output is produced, except a completion +notification. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{file}. + +@subsubheading Example + +@smallexample (gdb) -file-exec-and-symbols /kwikemart/marge/ezannoni/TRUNK/mbx/hello.mbx ^done (gdb) +@end smallexample + + +@subheading The @code{-file-exec-file} Command +@findex -file-exec-file + +@subsubheading Synopsis + +@example + -file-exec-file @var{file} @end example -@section -file-exec-file <file> -Specify the executable file to be debugged. The symbol table is not read -from this file. If used without argument gdb clears the information +Specify the executable file to be debugged. Unlike +@samp{-file-exec-and-symbols}, the symbol table is @emph{not} read +from this file. If used without argument, GDB clears the information about the executable file. No output is produced, except a completion notification. -@subsection GDB command -exec-file <file> -@subsection Example -@example -(gdb) +@subsubheading GDB Command + +The corresponding GDB command is @samp{exec-file}. + +@subsubheading Example + +@smallexample +(gdb) -file-exec-file /kwikemart/marge/ezannoni/TRUNK/mbx/hello.mbx ^done -(gdb) +(gdb) +@end smallexample + + +@subheading The @code{-file-list-exec-sections} Command +@findex -file-list-exec-sections + +@subsubheading Synopsis + +@example + -file-list-exec-sections @end example -@section -file-list-exec-sections List the sections of the current executable file. -@subsection GDB command -info file (only part of it), gdb_load_info -@subsection Example + +@subsubheading GDB Command + +The GDB command @samp{info file} shows, among the rest, the same +information as this command. @code{gdbtk} has a corresponding command +@samp{gdb_load_info}. + +@subsubheading Example N.A. -@section -file-list-exec-source-files + +@subheading The @code{-file-list-exec-source-files} Command +@findex -file-list-exec-source-files + +@subsubheading Synopsis + +@example + -file-list-exec-source-files +@end example + List the source files for the current executable. -@subsection GDB command -gdb_listfiles (gdbtk). -@subsection Example + +@subsubheading GDB Command + +There's no GDB command which directly corresponds to this one. +@code{gdbtk} has an analogous command @samp{gdb_listfiles}. + +@subsubheading Example N.A. -@section -file-list-shared-libraries + +@subheading The @code{-file-list-shared-libraries} Command +@findex -file-list-shared-libraries + +@subsubheading Synopsis + +@example + -file-list-shared-libraries +@end example + List the shared libraries in the program. -@subsection GDB command -info shared -@subsection Example + +@subsubheading GDB Command + +The corresponding GDB command os @samp{info shared}. + +@subsubheading Example N.A. -@section -file-list-symbol-files + +@subheading The @code{-file-list-symbol-files} Command +@findex -file-list-symbol-files + +@subsubheading Synopsis + +@example + -file-list-symbol-files +@end example + List symbol files. -@subsection GDB command -info file (part of it). -@subsection Example + +@subsubheading GDB Command + +The corresponding GDB command is @samp{info file} (part of it). + +@subsubheading Example N.A. -@section -file-symbol-file <file> -Read symbol table info from the file specified as argument. Used -without arguments clears gdb's symbol table info. No output is -produced, except a completion notification. -@subsection GDB command -symbol-file <file> -@subsection Example +@subheading The @code{-file-symbol-file} Command +@findex -file-symbol-file + +@subsubheading Synopsis + @example -(gdb) + -file-symbol-file @var{file} +@end example + +Read symbol table info from the specified @var{file} argument. When +used without arguments, clears GDB'S symbol table info. No output is +produced, except for a completion notification. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{symbol-file}. + +@subsubheading Example + +@smallexample +(gdb) -file-symbol-file /kwikemart/marge/ezannoni/TRUNK/mbx/hello.mbx ^done -(gdb) -@end example +(gdb) +@end smallexample -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Misc GDB commands +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Misc Commands +@section Misc GDB commands in @sc{gdb/mi} -@c @section -gdb-complete +@c @subheading -gdb-complete -@section -gdb-exit +@subheading The @code{-gdb-exit} Command +@findex -gdb-exit -Exit GDB immediately. -@subsection GDB command -Approximately corresponds to 'quit'. +@subsubheading Synopsis -@subsection Example @example -(gdb) + -gdb-exit +@end example + +Exit GDB immediately. + +@subsubheading GDB Command + +Approximately corresponds to @samp{quit}. + +@subsubheading Example + +@smallexample +(gdb) -gdb-exit +@end smallexample + +@subheading The @code{-gdb-set} Command +@findex -gdb-set + +@subsubheading Synopsis + +@example + -gdb-set @end example -@section -gdb-set Set an internal GDB variable. -IS THIS A DOLLAR VARIABLE? OR SOMETHING LIKE ANNOTATE ????? +@c IS THIS A DOLLAR VARIABLE? OR SOMETHING LIKE ANNOTATE ????? -@subsection GDB command -set +@subsubheading GDB Command -@subsection Example -@example +The corresponding GDB command is @samp{set}. + +@subsubheading Example + +@smallexample (gdb) -gdb-set $foo=3 ^done -(gdb) +(gdb) +@end smallexample + + +@subheading The @code{-gdb-show} Command +@findex -gdb-show + +@subsubheading Synopsis + +@example + -gdb-show @end example -@section -gdb-show Show the current value of a GDB variable. -@subsection GDB command -show +@subsubheading GDB command -@subsection Example -@example -(gdb) +The corresponding GDB command is @samp{show}. + +@subsubheading Example + +@smallexample +(gdb) -gdb-show annotate ^done,value="0" -(gdb) -@end example +(gdb) +@end smallexample -@c @section -gdb-source +@c @subheading -gdb-source -@section -gdb-version -Show version information for gdb. Used in testing mostly. -@subsection GDB command -No equivalent. +@subheading The @code{-gdb-version} Command +@findex -gdb-version + +@subsubheading Synopsis -@subsection Example @example + -gdb-version +@end example + +Show version information for GDB. Used mostly in testing. + +@subsubheading GDB Command + +There's no equivalent GDB command. GDB by default shows this +information when you start an interactive session. + +@subsubheading Example + +@c This example modifies the actual output from GDB to avoid overfull +@c box in TeX. +@smallexample (gdb) -gdb-version -~GNU gdb 4.18.1 HEADLESS -~Copyright 1998 Free Software Foundation, Inc. -~GDB is free software, covered by the GNU General Public License, and you are -~welcome to change it and/or distribute copies of it under certain conditions. +~GNU gdb 5.2.1 +~Copyright 2000 Free Software Foundation, Inc. +~GDB is free software, covered by the GNU General Public License, and +~you are welcome to change it and/or distribute copies of it under +~ certain conditions. ~Type "show copying" to see the conditions. -~There is absolutely no warranty for GDB. Type "show warranty" for details. -~This GDB was configured as "--host=sparc-sun-solaris2.5.1 --target=ppc-eabi". +~There is absolutely no warranty for GDB. Type "show warranty" for +~ details. +~This GDB was configured as + "--host=sparc-sun-solaris2.5.1 --target=ppc-eabi". ^done -(gdb) -@end example +(gdb) +@end smallexample -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Kod Commands +@ignore +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Kod Commands +@section @sc{gdb/mi} Kod Commands The Kod commands are not implemented. -@c @section -kod-info +@c @subheading -kod-info -@c @section -kod-list +@c @subheading -kod-list -@c @section -kod-list-object-types +@c @subheading -kod-list-object-types -@c @section -kod-show +@c @subheading -kod-show -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Memory Overlay Commands +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Memory Overlay Commands +@section @sc{gdb/mi} Memory Overlay Commands -the memory overlay commands not implemented. +The memory overlay commands are not implemented. -@c @section -overlay-auto +@c @subheading -overlay-auto -@c @section -overlay-list-mapping-state +@c @subheading -overlay-list-mapping-state -@c @section -overlay-list-overlays +@c @subheading -overlay-list-overlays -@c @section -overlay-map +@c @subheading -overlay-map -@c @section -overlay-off +@c @subheading -overlay-off -@c @section -overlay-on +@c @subheading -overlay-on -@c @section -overlay-unmap +@c @subheading -overlay-unmap -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Signal Handling Commands +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Signal Handling Commands +@section @sc{gdb/mi} Signal Handling Commands Signal handling commands are not implemented. -@c @section -signal-handle +@c @subheading -signal-handle -@c @section -signal-list-handle-actions +@c @subheading -signal-list-handle-actions -@c @section -signal-list-signal-types +@c @subheading -signal-list-signal-types +@end ignore + + +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Stack Manipulation +@section Stack manipulation commands in @sc{gdb/mi} -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Stack manipulation commands -@section -stack-info-frame +@subheading The @code{-stack-info-frame} Command +@findex -stack-info-frame + +@subsubheading Synopsis + +@example + -stack-info-frame +@end example + Get info on the current frame. -@subsection GDB command -info frame or frame (w/o args). -@subsection Example + +@subsubheading GDB Command + +The corresponding GDB command is @samp{info frame} or @samp{frame} +(without arguments). + +@subsubheading Example N.A. -@section -stack-info-depth [max-depth] -Return the depth of the stack. If the integer argument <max-depth> is specified, do not -count beyond max-depth frames. -@subsection GDB command -No equivalent. -@subsection Example -For a stack with frame levels 0 through 11: +@subheading The @code{-stack-info-depth} Command +@findex -stack-info-depth + +@subsubheading Synopsis + @example -(gdb) + -stack-info-depth [ @var{max-depth} ] +@end example + +Return the depth of the stack. If the integer argument @var{max-depth} +is specified, do not count beyond @var{max-depth} frames. + +@subsubheading GDB Command + +There's no equivalent GDB command. + +@subsubheading Example + +For a stack with frame levels 0 through 11: + +@smallexample +(gdb) -stack-info-depth ^done,depth="12" -(gdb) +(gdb) -stack-info-depth 4 ^done,depth="4" -(gdb) +(gdb) -stack-info-depth 12 ^done,depth="12" -(gdb) +(gdb) -stack-info-depth 11 ^done,depth="11" -(gdb) +(gdb) -stack-info-depth 13 ^done,depth="12" -(gdb) -@end example +(gdb) +@end smallexample + +@subheading The @code{-stack-list-arguments} Command +@findex -stack-list-arguments + +@subsubheading Synopsis -@section -stack-list-arguments <show-values> [ <low-frame> <high-frame> ] -Display a list of the arguments for the frames between low-frame and -high-frame (inclusive). If low-frame and high-frame are not provided, it -will list the arguments for the whole stack. The show-values argument -must have a value of 0 or 1. A value of 0 means that only the names of -the arguments are listed, a value of 1 means that both names and values -of the argumetns are printed. -@subsection GDB command -gdb_get_args (partially). -@subsection Example @example -(gdb) + -stack-list-arguments @var{show-values} + [ @var{low-frame} @var{high-frame} ] +@end example + +Display a list of the arguments for the frames between @var{low-frame} +and @var{high-frame} (inclusive). If @var{low-frame} and +@var{high-frame} are not provided, list the arguments for the whole call +stack. + +The @var{show-values} argument must have a value of 0 or 1. A value of +0 means that only the names of the arguments are listed, a value of 1 +means that both names and values of the argumetns are printed. + +@subsubheading GDB Command + +GDB does not have an equivalent command. @code{gdbtk} has a +@samp{gdb_get_args} command which partially overlaps with the +functionality of @samp{-stack-list-arguments}. + +@subsubheading Example + +@smallexample +(gdb) -stack-list-frames ^done, stack=@{ @@ -1715,7 +2573,7 @@ frame=@{level="3 ",addr="0x000107b4",func="callee1", file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="27"@}, frame=@{level="4 ",addr="0x000107e0",func="main", file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="32"@}@} -(gdb) +(gdb) -stack-list-arguments 0 ^done, stack-args=@{ @@ -1724,12 +2582,13 @@ frame=@{level="1",args=@{name="strarg"@}@}, frame=@{level="2",args=@{name="intarg",name="strarg"@}@}, frame=@{level="3",args=@{name="intarg",name="strarg",name="fltarg"@}@}, frame=@{level="4",args=@{@}@}@} -(gdb) +(gdb) -stack-list-arguments 1 ^done, stack-args=@{ frame=@{level="0",args=@{@}@}, -frame=@{level="1",args=@{@{name="strarg",value="0x11940 \"A string argument.\""@}@}@}, +frame=@{level="1", + args=@{@{name="strarg",value="0x11940 \"A string argument.\""@}@}@}, frame=@{level="2",args=@{ @{name="intarg",value="2"@}, @{name="strarg",value="0x11940 \"A string argument.\""@}@}@}, @@ -1738,249 +2597,494 @@ frame=@{level="2",args=@{ @{name="strarg",value="0x11940 \"A string argument.\""@}, @{name="fltarg",value="3.5"@}@}@}, frame=@{level="4",args=@{@}@}@} -(gdb) +(gdb) -stack-list-arguments 0 2 2 ^done,stack-args=@{frame=@{level="2",args=@{name="intarg",name="strarg"@}@}@} -(gdb) +(gdb) -stack-list-arguments 1 2 2 ^done,stack-args=@{frame=@{level="2", args=@{@{name="intarg",value="2"@}, @{name="strarg",value="0x11940 \"A string argument.\""@}@}@}@} -(gdb) +(gdb) +@end smallexample + +@c @subheading -stack-list-exception-handlers + + +@subheading The @code{-stack-list-frames} Command +@findex -stack-list-frames + +@subsubheading Synopsis + +@example + -stack-list-frames [ @var{low-frame} @var{high-frame} ] @end example -@c @section -stack-list-exception-handlers +List the frames currently on the stack. For each frame it displays the +following info: -@section -stack-list-frames [ <low-frame> <high-frame> ] -List the frames currently on the stack. For each frame it displays the following info: @table @samp -@item <level> +@item @var{level} The frame number, 0 being the topmost frame, i.e. the innermost function. -@item <addr> -Pc value for that frame. -@item <func> -Function name -@item <file> -File name of the source fle where the function lives. -@item <line> -Line number corresponding to the pc. +@item @var{addr} +The @code{$pc} value for that frame. +@item @var{func} +Function name. +@item @var{file} +File name of the source file where the function lives. +@item @var{line} +Line number corresponding to the @code{$pc}. @end table -If invoked without arguments, it prints a backtrace for the whole stack. -If given two integer arguments it shows the frames whose levels are -between the two arguments (inclusive). If the two arguments are equal, -it shows the single frame at the corresponding level. +If invoked without arguments, this command prints a backtrace for the +whole stack. If given two integer arguments, it shows the frames whose +levels are between the two arguments (inclusive). If the two arguments +are equal, it shows the single frame at the corresponding level. -@subsection GDB command -backtrace or where +@subsubheading GDB Command -@subsection Example 1 -Whole stack backtrace. +The corresponding GDB commands are @samp{backtrace} and @samp{where}. -@example +@subsubheading Example + +Full stack backtrace: + +@smallexample (gdb) -stack-list-frames ^done,stack= -@{frame=@{level="0 ",addr="0x0001076c",func="foo",file="recursive2.c",line="11"@}, -frame=@{level="1 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}, -frame=@{level="2 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}, -frame=@{level="3 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}, -frame=@{level="4 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}, -frame=@{level="5 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}, -frame=@{level="6 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}, -frame=@{level="7 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}, -frame=@{level="8 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}, -frame=@{level="9 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}, -frame=@{level="10",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}, -frame=@{level="11",addr="0x00010738",func="main",file="recursive2.c",line="4"@}@} - -(gdb) -@end example - -@subsection Example 2 -Show frames between low_frame and high_frame. -@example -(gdb) +@{frame=@{level="0 ",addr="0x0001076c",func="foo", + file="recursive2.c",line="11"@}, +frame=@{level="1 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}, +frame=@{level="2 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}, +frame=@{level="3 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}, +frame=@{level="4 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}, +frame=@{level="5 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}, +frame=@{level="6 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}, +frame=@{level="7 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}, +frame=@{level="8 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}, +frame=@{level="9 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}, +frame=@{level="10",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}, +frame=@{level="11",addr="0x00010738",func="main", + file="recursive2.c",line="4"@}@} +(gdb) +@end smallexample + +Show frames between low_frame and high_frame: + +@smallexample +(gdb) -stack-list-frames 3 5 ^done,stack= -@{frame=@{level="3 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}, -frame=@{level="4 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}, -frame=@{level="5 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}@} -(gdb) -@end example -@subsection Example 3 -Show one single frame. -@example -(gdb) +@{frame=@{level="3 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}, +frame=@{level="4 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}, +frame=@{level="5 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}@} +(gdb) +@end smallexample + +Show a single frame: + +@smallexample +(gdb) -stack-list-frames 3 3 ^done,stack= -@{frame=@{level="3 ",addr="0x000107a4",func="foo",file="recursive2.c",line="14"@}@} -(gdb) +@{frame=@{level="3 ",addr="0x000107a4",func="foo", + file="recursive2.c",line="14"@}@} +(gdb) +@end smallexample + + +@subheading The @code{-stack-list-locals} Command +@findex -stack-list-locals + +@subsubheading Synopsis + +@example + -stack-list-locals @var{print-values} @end example -@section -stack-list-locals <print-values> Display the local variables names for the current frame. With an argument of 0 prints only the names of the variables, with argument of 1 -prints also the values. -@subsection GDB command -gdb_get_locals +prints also their values. -@subsection Example -@example -(gdb) +@subsubheading GDB Command + +@samp{info locals} in GDB, @samp{gdb_get_locals} in @code{gdbtk}. + +@subsubheading Example + +@smallexample +(gdb) -stack-list-locals 0 ^done,locals=@{name="A",name="B",name="C"@} -(gdb) +(gdb) -stack-list-locals 1 -^done,locals=@{@{name="A",value="1"@},@{name="B",value="2"@},@{name="C",value="3"@}@} -(gdb) -@end example +^done,locals=@{@{name="A",value="1"@},@{name="B",value="2"@}, + @{name="C",value="3"@}@} +(gdb) +@end smallexample + + +@subheading The @code{-stack-select-frame} Command +@findex -stack-select-frame + +@subsubheading Synopsis -@section -stack-select-frame <framenum> -Change the current frame. Select a different frame on the stack. -@subsection GDB command -frame (part), up, down -AND/OR select-frame, -up-silent, down-silent -@subsection Example @example -(gdb) + -stack-select-frame @var{framenum} +@end example + +Change the current frame. Select a different frame @var{framenum} on +the stack. + +@subsubheading GDB Command + +The corresponding GDB commands are @samp{frame}, @samp{up}, @samp{down}, +@samp{select-frame}, @samp{up-silent}, and @samp{down-silent}. + +@subsubheading Example + +@smallexample +(gdb) -stack-select-frame 2 ^done -(gdb) +(gdb) +@end smallexample + +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Symbol Query +@section @sc{gdb/mi} Symbol Query Commands + + +@subheading The @code{-symbol-info-address} Command +@findex -symbol-info-address + +@subsubheading Synopsis + +@example + -symbol-info-address @var{symbol} @end example -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Symbol query commands +Describe where @var{symbol} is stored. + +@subsubheading GDB Command + +the corresponding GDB command is @samp{info address}. -@section -symbol-info-address <symbol> -Describe where <symbol> is stored. -@subsection GDB command -Info address -@subsection Example +@subsubheading Example N.A. -@section -symbol-info-file -Show the file for the symbol [NOT SURE] -@subsection GDB command -gdb_filnd_file (gdbtk). -@subsection Example + +@subheading The @code{-symbol-info-file} Command +@findex -symbol-info-file + +@subsubheading Synopsis + +@example + -symbol-info-file +@end example + +Show the file for the symbol. + +@subsubheading GDB Command + +There's no equivalent GDB command. @code{gdbtk} has +@samp{gdb_filnd_file}. + +@subsubheading Example N.A. -@section -symbol-info-function -Show which function the symbol lives in. [NOT SURE] -@subsection GDB command -gdb_get_function (gdbtk) -@subsection Example + +@subheading The @code{-symbol-info-function} Command +@findex -symbol-info-function + +@subsubheading Synopsis + +@example + -symbol-info-function +@end example + +Show which function the symbol lives in. + +@subsubheading GDB Command + +@samp{gdb_get_function} in @code{gdbtk}. + +@subsubheading Example N.A. -@section -symbol-info-line -Core addresses of the code for a source line. -@subsection GDB command -info line , gdb_get_line, gdb_get_file -@subsection Example + +@subheading The @code{-symbol-info-line} Command +@findex -symbol-info-line + +@subsubheading Synopsis + +@example + -symbol-info-line +@end example + +Show the core addresses of the code for a source line. + +@subsubheading GDB Command + +The corresponding GDB comamnd is @samp{info line}. @code{gdbtk} has the +@samp{gdb_get_line} @samp{gdb_get_file} commands. + +@subsubheading Example N.A. -@section -symbol-info-symbol -Describe what symbol is at location ADDR [NOT SURE] -@subsection GDB command -info symbol -@subsection Example + +@subheading The @code{-symbol-info-symbol} Command +@findex -symbol-info-symbol + +@subsubheading Synopsis + +@example + -symbol-info-symbol @var{addr} +@end example + +Describe what symbol is at location @var{addr}. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{info symbol}. + +@subsubheading Example N.A. -@section -symbol-list-functions + +@subheading The @code{-symbol-list-functions} Command +@findex -symbol-list-functions + +@subsubheading Synopsis + +@example + -symbol-list-functions +@end example + List the functions in the executable. -@subsection GDB command -info functions, gdb_listfunc, gdb_search -@subsection Example + +@subsubheading GDB Command + +@samp{info functions} in GDB, @samp{gdb_listfunc} @samp{gdb_search} in +@code{gdbtk}. + +@subsubheading Example N.A. -@section -symbol-list-types + +@subheading The @code{-symbol-list-types} Command +@findex -symbol-list-types + +@subsubheading Synopsis + +@example + -symbol-list-types +@end example + List all the type names. -@subsection GDB command -info types, gdb_search -@subsection Example + +@subsubheading GDB Command + +The corresponding commands are @samp{info types} in GDB, +@samp{gdb_search} in @code{gdbtk}. + +@subsubheading Example N.A. -@section -symbol-list-variables -List all global and static variable names. -@subsection GDB command -Info variables, gdb_search -@subsection Example + +@subheading The @code{-symbol-list-variables} Command +@findex -symbol-list-variables + +@subsubheading Synopsis + +@example + -symbol-list-variables +@end example + +List all the global and static variable names. + +@subsubheading GDB Command + +@samp{info variables} in GDB, @samp{gdb_search} in @code{gdbtk}. + +@subsubheading Example N.A. -@section -symbol-locate -@subsection GDB command -gdb_loc (gdbtk) -@subsection Example + +@subheading The @code{-symbol-locate} Command +@findex -symbol-locate + +@subsubheading Synopsis + +@example + -symbol-locate +@end example + +@subsubheading GDB Command + +@samp{gdb_loc} in @code{gdbtk}. + +@subsubheading Example N.A. -@section -symbol-type -Show type of a variable. -@subsection GDB command -ptype, gdb_obj_variable -@subsection Example + +@subheading The @code{-symbol-type} Command +@findex -symbol-type + +@subsubheading Synopsis + +@example + -symbol-type @var{variable} +@end example + +Show type of @var{variable}. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{ptype}, @code{gdbtk} has +@samp{gdb_obj_variable}. + +@subsubheading Example N.A. -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Target manipulation commands -@section -target-attach -Attach to a process or file outside of GDB. -@subsection GDB command -attach -@subsection Example +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Target Manipulation +@section @sc{gdb/mi} Target Manipulation Commands + + +@subheading The @code{-target-attach} Command +@findex -target-attach + +@subsubheading Synopsis + +@example + -target-attach @var{pid} | @var{file} +@end example + +Attach to a process @var{pid} or a file @var{file} outside of GDB. + +@subsubheading GDB command + +The corresponding GDB command is @samp{attach}. + +@subsubheading Example N.A. -@section -target-compare-sections -Compare section data on target to the exec file. -@subsection GDB command -compare-sections -@subsection Example + +@subheading The @code{-target-compare-sections} Command +@findex -target-compare-sections + +@subsubheading Synopsis + +@example + -target-compare-sections [ @var{section} ] +@end example + +Compare data of section @var{section} on target to the exec file. +Without the argument, all sections are compared. + +@subsubheading GDB Command + +The GDB equivalent is @samp{compare-sections}. + +@subsubheading Example N.A. -@section -target-detach -Disconnect from the remote target. -No output. -@subsection GDB command -detach +@subheading The @code{-target-detach} Command +@findex -target-detach + +@subsubheading Synopsis -@subsection Example @example -(gdb) + -target-detach +@end example + +Disconnect from the remote target. There's no output. + +@subsubheading GDB command + +The corresponding GDB command is @samp{detach}. + +@subsubheading Example + +@smallexample +(gdb) -target-detach ^done -(gdb) +(gdb) +@end smallexample + + +@subheading The @code{-target-download} Command +@findex -target-download + +@subsubheading Synopsis + +@example + -target-download @end example -@section -target-download Loads the executable onto the remote target. It prints out an update message every half second, which includes the fields: -@itemize @bullet -@item section: The name of the section. -@item section-sent: The size of what has been sent so far for that section. -@item section-size: The size of the section. -@item total-sent: The total size of what was sent so far (the current and the previous sections). -@item total-size: The size of the overall executable to download. -@end itemize -Each message is sent as status record. -In addition it prints the name and size of the sections, as they are -downloaded. These messages include the fields: -@itemize @bullet -@item section: The name of the section. -@item section-size: The size of the section. -@item total-size: The size of the overall executable to download. -@end itemize -At the end a summary is printed. -@subsection GDB command -load +@table @samp +@item section +The name of the section. +@item section-sent +The size of what has been sent so far for that section. +@item section-size +The size of the section. +@item total-sent +The total size of what was sent so far (the current and the previous sections). +@item total-size +The size of the overall executable to download. +@end table -@subsection Example -Note: Each status message appears on a single line. Here the messages +@noindent +Each message is sent as status record (@pxref{GDB/MI Output Syntax, , +@sc{gdb/mi} Output Syntax}). + +In addition, it prints the name and size of the sections, as they are +downloaded. These messages include the following fields: + +@table @samp +@item section +The name of the section. +@item section-size +The size of the section. +@item total-size +The size of the overall executable to download. +@end table + +@noindent +At the end, a summary is printed. + +@subsubheading GDB Command + +The corresponding GDB command is @samp{load}. + +@subsubheading Example + +Note: each status message appears on a single line. Here the messages have been broken down, so they can fit into a page. -@example + +@smallexample (gdb) -target-download +download,@{section=".text",section-size="6668",total-size="9880"@} @@ -2025,217 +3129,342 @@ total-sent="8772",total-size="9880"@} total-sent="9284",total-size="9880"@} +download,@{section=".data",section-sent="3072",section-size="3156", total-sent="9796",total-size="9880"@} -^done,address="0x10004",load-size="9880",transfer-rate="6586",write-rate="429" -(gdb) +^done,address="0x10004",load-size="9880",transfer-rate="6586", +write-rate="429" +(gdb) +@end smallexample + + +@subheading The @code{-target-exec-status} Command +@findex -target-exec-status + +@subsubheading Synopsis + +@example + -target-exec-status @end example -@section -target-exec-status -Provide information on the state of the target. Whether it is running or not, for instance. -@subsection GDB command -No equivalent -@subsection Example +Provide information on the state of the target (whether it is running or +not, for instance). + +@subsubheading GDB Command + +There's no equivalent GDB command. + +@subsubheading Example N.A. -@section -target-list-available-targets + +@subheading The @code{-target-list-available-targets} Command +@findex -target-list-available-targets + +@subsubheading Synopsis + +@example + -target-list-available-targets +@end example + List the possible targets to connect to. -@subsection GDB command -help target -@subsection Example + +@subsubheading GDB Command + +The corresponding GDB command is @samp{help target}. + +@subsubheading Example N.A. -@section -target-list-current-targets -What the current target is. -@subsection GDB command -info file (part of it). -@subsection Example + +@subheading The @code{-target-list-current-targets} Command +@findex -target-list-current-targets + +@subsubheading Synopsis + +@example + -target-list-current-targets +@end example + +Describe the current target. + +@subsubheading GDB Command + +The corresponding information is printed by @samp{info file} (among +other things). + +@subsubheading Example N.A. -@section -target-list-parameters -???? -@subsection GDB command -No equivalent -@subsection Example + +@subheading The @code{-target-list-parameters} Command +@findex -target-list-parameters + +@subsubheading Synopsis + +@example + -target-list-parameters +@end example + +@c ???? + +@subsubheading GDB Command + +No equivalent. + +@subsubheading Example N.A. -@section -target-select -Connect GDB to the remote target. -It takes two args: --target-select <type> <parameters>. +@subheading The @code{-target-select} Command +@findex -target-select -Where: +@subsubheading Synopsis + +@example + -target-select @var{type} @var{parameters ...} +@end example + +Connect GDB to the remote target. This command takes two args: @table @samp -@item <type> -The type of target, for instance async, remote, etc. -@item <parameters> -Device names, host names and the like. +@item @var{type} +The type of target, for instance @samp{async}, @samp{remote}, etc. +@item @var{parameters} +Device names, host names and the like. @xref{Target Commands, , +Commands for managing targets}, for more details. @end table + The output is a connection notification, followed by the address at -which the target program is, in the following form: -^connected,addr="<address>",func="<function name>",args=@{<arg list>@} +which the target program is, in the following form: -@subsection GDB command -target +@smallexample +^connected,addr="@var{address}",func="@var{function name}", + args=@{@var{arg list}@} +@end smallexample -@subsection Example -@example -(gdb) +@subsubheading GDB Command + +The corresponding GDB command is @samp{target}. + +@subsubheading Example + +@smallexample +(gdb) -target-select async /dev/ttya ^connected,addr="0xfe00a300",func="??",args=@{@} -(gdb) +(gdb) +@end smallexample + +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Thread Commands +@section @sc{gdb/mi} Thread Commands + + +@subheading The @code{-thread-info} Command +@findex -thread-info + +@subsubheading Synopsis + +@example + -thread-info @end example -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Thread commands - -@section -thread-info -@subsection GDB command -@subsection Example - -@section -thread-list-all-threads -@subsection GDB command -@subsection Example - -@section -thread-list-ids -Produces a list of the currently known gdb thread ids. At the end of the -list it also prints the toal number of such threads. -@subsection GDB command -None equivalent. (Maybe part of info threads). -@subsection Example 1 -No threads present, besides the main process. +@subsubheading GDB command + +No equivalent. + +@subsubheading Example +N.A. + + +@subheading The @code{-thread-list-all-threads} Command +@findex -thread-list-all-threads + +@subsubheading Synopsis + +@example + -thread-list-all-threads +@end example + +@subsubheading GDB Command + +The equivalent GDB command is @samp{info threads}. + +@subsubheading Example +N.A. + + +@subheading The @code{-thread-list-ids} Command +@findex -thread-list-ids + +@subsubheading Synopsis + @example -(gdb) + -thread-list-ids +@end example + +Produces a list of the currently known gdb thread ids. At the end of the +list it also prints the total number of such threads. + +@subsubheading GDB Command + +Part of @samp{info threads} supplies the same information. + +@subsubheading Example + +No threads present, besides the main process. + +@smallexample +(gdb) -thread-list-ids ^done,thread-ids=@{@},number-of-threads="0" -(gdb) -@end example -@subsection Example 2 +(gdb) +@end smallexample + + Several threads. -@example -(gdb) + +@smallexample +(gdb) -thread-list-ids ^done,thread-ids=@{thread-id="3",thread-id="2",thread-id="1"@}, number-of-threads="3" -(gdb) +(gdb) +@end smallexample + + +@subheading The @code{-thread-select} Command +@findex -thread-select + +@subsubheading Synopsis + +@example + -thread-select @var{threadnum} @end example -@section -thread-select <threadnum> -Make <threadnum> the current thread. It prints the number of the new +Make @var{threadnum} the current thread. It prints the number of the new current thread, and the topmost frame for that thread. -@subsection GDB command -thread -@subsection Example -@example -(gdb) + +@subsubheading GDB Command + +The corresponding GDB command is @samp{thread}. + +@subsubheading Example + +@smallexample +(gdb) -exec-next ^running -(gdb) +(gdb) *stopped,reason="end-stepping-range",thread-id="2",line="187", file="../../../devo/gdb/testsuite/gdb.threads/linux-dp.c" -(gdb) +(gdb) -thread-list-ids ^done, -thread-ids={thread-id="3",thread-id="2",thread-id="1"}, +thread-ids=@{thread-id="3",thread-id="2",thread-id="1"@}, number-of-threads="3" -(gdb) +(gdb) -thread-select 3 ^done,new-thread-id="3", frame=@{level="0 ",func="vprintf", args=@{@{name="format",value="0x8048e9c \"%*s%c %d %c\\n\""@}, @{name="arg",value="0x2"@}@},file="vprintf.c",line="31"@} -(gdb) -@end example +(gdb) +@end smallexample -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Tracepoint Commands +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Tracepoint Commands +@section @sc{gdb/mi} Tracepoint Commands -The tracepoint commands are not implemented. +The tracepoint commands are not yet implemented. -@c @section -trace-actions +@c @subheading -trace-actions -@c @section -trace-delete +@c @subheading -trace-delete -@c @section -trace-disable +@c @subheading -trace-disable -@c @section -trace-dump +@c @subheading -trace-dump -@c @section -trace-enable +@c @subheading -trace-enable -@c @section -trace-exists +@c @subheading -trace-exists -@c @section -trace-find +@c @subheading -trace-find -@c @section -trace-frame-number +@c @subheading -trace-frame-number -@c @section -trace-info +@c @subheading -trace-info -@c @section -trace-insert +@c @subheading -trace-insert -@c @section -trace-list +@c @subheading -trace-list -@c @section -trace-pass-count +@c @subheading -trace-pass-count -@c @section -trace-save +@c @subheading -trace-save -@c @section -trace-start +@c @subheading -trace-start -@c @section -trace-stop +@c @subheading -trace-stop -@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% CHAPTER %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -@chapter Variable Objects +@c %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +@node GDB/MI Variable Objects +@section @sc{gdb/mi} Variable Objects -@section Motivation + +@subheading Motivation for Variable Objects in @sc{gdb/mi} For the implementation of a variable debugger window (locals, watched expressions, etc.), we are proposing the adaptation of the existent code -used by Insight. +used by @code{Insight}. -The two main reason for that are: +The two main reasons for that are: @enumerate 1 @item -It has been proven in practice (it is already on it's second generation) +It has been proven in practice (it is already on its second generation). + @item It will shorten development time (needless to say how important it is -now) +now). @end enumerate The original interface was designed to be used by Tcl code, so it was -slightly changed so it can be used through flathead. This document +slightly changed so it could be used through flathead. This document describes the flathead operations that will be available and gives some -hints about its use. +hints about their use. @emph{Note}: In addition to the set of operations described here, we -expect the GUI implementation of a variable window to require, at least, -the following operations: -@itemize bullet +expect the @sc{gui} implementation of a variable window to require, at +least, the following operations: + +@itemize @bullet @item -gdb-show output-radix @item -stack-list-arguments @item -stack-list-locals @item -stack-select-frame @end itemize -@section Introduction +@subheading Introduction to Variable Objects in @sc{gdb/mi} +@cindex variable objects in @sc{gdb/mi} The basic idea behind variable objects is the creation of a named object to represent a variable, an expression, a memory location or even a CPU register. For each object created, a set of operations is available for examining or changing its properties. Furthermore, complex data types, such as C structures, are represented -in a tree format. For instance, the struct type variable is the root -and the children will represent the struct members. If a children is -itself of a complex type, it will also have children of its own. -Appropriate language differences are handled for C, C++ and Java. +in a tree format. For instance, the @code{struct} type variable is the +root and the children will represent the struct members. If a child +is itself of a complex type, it will also have children of its own. +Appropriate language differences are handled for C, C@t{++} and Java. When returning the actual values of the objects, this facility allows for the individual selection of the display format used in the result creation. It can be chosen among: binary, decimal, hexadecimal, octal -and natural. Natural refers to the a default format automatically chosen -based on the variable type (like decimal for int, hex for pointers, -etc.). +and natural. Natural refers to the a default format automatically +chosen based on the variable type (like decimal for an @code{int}, hex +for pointers, etc.). The following is the complete set of flathead operations defined to access this functionality: @@ -2270,193 +3499,322 @@ access this functionality: @tab update the variable and its children @end multitable -In the next section we describe each operation in detail and suggest how -it can be used. +In the next subsection we describe each operation in detail and suggest +how it can be used. + +@subheading Description And Use of Operations on Variable Objects +@subheading The @code{-var-create} Command +@findex -var-create -@section Operations Description And Use +@subsubheading Synopsis -@subsection -var-create @{<name> | '-'@} @{<frame-addr> | '*'@} <expression> +@example + -var-create @{@var{name} | "-"@} + @{@var{frame-addr} | "*"@} @var{expression} +@end example This operation creates a variable object, which allows the monitoring of a variable, the result of an expression, a memory cell or a CPU register. -The <name> parameter is the string by which the object can be -referenced. It must be unique. If '-' is specified, the varobj system -will generate a string "varNNNNNN" automatically. It will be unique -provided that one does not specify <name> on that format. The command -fails if a duplicate name is found. +The @var{name} parameter is the string by which the object can be +referenced. It must be unique. If @samp{-} is specified, the varobj +system will generate a string "varNNNNNN'' automatically. It will be +unique provided that one does not specify @var{name} on that format. +The command fails if a duplicate name is found. The frame under which the expression should be evaluated can be -specified. A '*' indicates that the current frame should be used. +specified by @var{frame-addr}. A @samp{*} indicates that the current +frame should be used. Expression is any expression valid on the current language set (must not -begin with '*') or: *<addr> - The address of a memory cell -*<addr>-<addr> - An memory address range (TBD) $<regname> - A CPU -register - +begin with a @samp{*}), or one of the following: + +@itemize @bullet +@item +@samp{*@var{addr}}, where @var{addr} is the address of a memory cell + +@item +@samp{*@var{addr}-@var{addr}} -- a memory address range (TBD) + +@item +@samp{$@var{regname}} -- a CPU register name +@end itemize + +@subsubheading Result + This operation returns the name, number of children and the type of the object created. Type is returned as a string as the ones generated by -gdb CLI. +the GDB CLI: + +@example + name="@var{name}",numchild="N",type="@var{type}" +@end example + + +@subheading The @code{-var-delete} Command +@findex -var-delete + +@subsubheading Synopsis + +@example + -var-delete @var{name} +@end example + +Deletes a previously created variable object and all of its children. + +Returns an error if the object @var{name} is not found. + + +@subheading The @code{-var-set-format} Command +@findex -var-set-format + +@subsubheading Synopsis + +@example + -var-set-format @var{name} @var{format-spec} +@end example + +Sets the output format for the value of the object @var{name} to be +@var{format-spec}. + +The syntax for the @var{format-spec} is as follows: + +@example + @var{format-spec} @expansion{} + @{binary | decimal | hexadecimal | octal | natural@} +@end example + + +@subheading The @code{-var-show-format} Command +@findex -var-show-format + +@subsubheading Synopsis + +@example + -var-show-format @var{name} +@end example + +Returns the format used to display the value of the object @var{name}. + +@example + format @expansion{} + @var{format-spec} +@end example + + +@subheading The @code{-var-info-num-children} Command +@findex -var-info-num-children + +@subsubheading Synopsis + +@example + -var-info-num-children @var{name} +@end example -name="<name>",numchild="N",type="<type>" +Returns the number of children of a variable object @var{name}: -@subsection -var-delete <name> +@example + numchild=@var{n} +@end example -Deletes a previously created variable object and all of it's children. -Returns an error if the object <name> is not found. +@subheading The @code{-var-list-children} Command +@findex -var-list-children -@subsection -var-set-format <name> <format-spec> +@subsubheading Synopsis -Sets the output format for the value of the object. +@example + -var-list-children @var{name} +@end example -<format-spec> = @{binary | decimal | hexadecimal | octal | natural@} +Returns a list of the children of the specified variable object: -@subsection -var-show-format <name> +@example + numchild=@var{n},children=@{@{name=@var{name}, + numchild=@var{n},type=@var{type}@},(repeats N times)@} +@end example -Returns the format used to display the value of the object. -format="<format-spec>" +@subheading The @code{-var-info-type} Command +@findex -var-info-type -@subsection -var-info-num-children <name> +@subsubheading Synopsis -Returns the number of children of a variable object. +@example + -var-info-type @var{name} +@end example -numchild="N" +Returns the type of the specified variable @var{name}. The type is +returned as a string in the same format as it is output by the GDB CLI: -@subsection -var-list-children <name> +@example + type=@var{typename} +@end example -Returns a list of the children of the specified variable object. -numchild="N",children=@{@{name="<name>",numchild="N",type="<type>"@},(repeats N times)@} +@subheading The @code{-var-info-expression} Command +@findex -var-info-expression -@subsection -var-info-type <name> +@subsubheading Synopsis -Returns the type of the specified variable. The type is returned as a -string in the same format as it is output by gdb's CLI. +@example + -var-info-expression @var{name} +@end example -type="<type>" +Returns what is represented by the variable object @var{name}: -@subsection -var-info-expression <name> +@example + lang=@var{lang-spec},exp=@var{expression} +@end example -Returns what is represented by the specified variable object. +@noindent +where @var{lang-spec} is @code{@{"C" | "C++" | "Java"@}}. -lang="<lang-spec>",exp="<expression>" +@subheading The @code{-var-show-attributes} Command +@findex -var-show-attributes -where <lang-spec> = @{"C" | "C++" | "Java"@} +@subsubheading Synopsis -@subsection -var-show-attributes <name> +@example + -var-show-attributes @var{name} +@end example -List attributes of the specified variable object. +List attributes of the specified variable object @var{name}: -status="<attr>[,<attr>]*" +@example + status=@var{attr} [ ( ,@var{attr} )* ] +@end example + +@noindent +where @var{attr} is @code{@{ @{ editable | noneditable @} | TBD @}}. + +@subheading The @code{-var-evaluate-expression} Command +@findex -var-evaluate-expression -where <attr> = @{ @{ editable | noneditable @} | TBD @} +@subsubheading Synopsis -@subsection -var-evaluate-expression <name> +@example + -var-evaluate-expression @var{name} +@end example Evaluates the expression that is represented by the specified variable object and returns its value as a string in the current format specified -for the object. +for the object: -value="<value>" +@example + value=@var{value} +@end example -@subsection -var-assign <name> <expression> +@subheading The @code{-var-assign} Command +@findex -var-assign -Assigns a new value for the variable object specified. The object must -be "editable". +@subsubheading Synopsis -@subsection -var-update @{<name> | '*'@} +@example + -var-assign @var{name} @var{expression} +@end example -Update the value of the variable object by evaluating its expression -after fetching all the new values from memory or registers. A '*' -causes all existing variable objects to be updated. +Assigns the value of @var{expression} to the variable object specified +by @var{name}. The object must be ``editable''. +@subheading The @code{-var-update} Command +@findex -var-update +@subsubheading Synopsis + +@example + -var-update @{@var{name} | "*"@} +@end example + +Update the value of the variable object @var{name} by evaluating its +expression after fetching all the new values from memory or registers. +A @samp{*} causes all existing variable objects to be updated. + +@ignore @c%%%%%%%%%%%%%%%%%%%%%%%%%%%% APPENDIX %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @appendix Proposed v2.0 Output Syntax This appendix is not part of the MI specification. It is provided as a discussion point. -The output from GDB/MI consists of zero or more out-of-band records +The output from @sc{gdb/mi} consists of zero or more out-of-band records optionally followed by a single result record. The result record being for the most recent command input. The sequence being terminated by ``(gdb)''. -Asynchronous GDB/MI output is similar. +Asynchronous @sc{gdb/mi} output is similar. Each output record directly associated with an input command is prefixed -by the input commands @code{<token>}. +by the input commands @code{@var{token}}. @table @code -@item <output> @expansion{} -@{ <out-of-band-record> @} [ <result-record> ] ``(gdb)'' <nl> +@item @var{output} @expansion{} +@{ @var{out-of-band-record} @} @code{[} @var{result-record} @code{]} "(gdb)" @var{nl} -@item <result-record> @expansion{} -[ <token> ] ``^'' <result-class> @{ ``,'' <result> @} <nl> +@item @var{result-record} @expansion{} +@code{[} @var{token} @code{]} "^" @var{result-class} @{ "," @var{result} @} @var{nl} -@item <out-of-band-record> @expansion{} -<async-record> | <stream-record> +@item @var{out-of-band-record} @expansion{} +@var{async-record} @code{|} @var{stream-record} -@item <async-record> @expansion{} -<exec-async-output> | <status-async-output> | <notify-async-output> +@item @var{async-record} @expansion{} +@var{exec-async-output} @code{|} @var{status-async-output} @code{|} @var{notify-async-output} -@item <exec-async-output> @expansion{} -[ <token> ] ``*'' <async-output> +@item @var{exec-async-output} @expansion{} +@code{[} @var{token} @code{]} "*" @var{async-output} -@item <status-async-output> @expansion{} -[ <token> ] ``+'' <async-output> +@item @var{status-async-output} @expansion{} +@code{[} @var{token} @code{]} "+" @var{async-output} -@item <notify-async-output> @expansion{} -[ <token> ] ``='' <async-output> +@item @var{notify-async-output} @expansion{} +@code{[} @var{token} @code{]} "=" @var{async-output} -@item <async-output> @expansion{} -<async-class> @{ ``,'' <result> @} <nl> +@item @var{async-output} @expansion{} +@var{async-class} @{ "," @var{result} @} @var{nl} -@item <result-class> @expansion{} -``done'' | ``running'' | ``connected'' | ``error'' | ``exit'' +@item @var{result-class} @expansion{} +"done" @code{|} "running" @code{|} "connected" @code{|} "error" @code{|} "exit" -@item <async-class> @expansion{} -``stopped'' | @emph{others depending on need as still in development} +@item @var{async-class} @expansion{} +"stopped" @code{|} @emph{others depending on need as still in development} -@item <result> @expansion{} -<string> ``='' <value> +@item @var{result} @expansion{} +@var{string} "=" @var{value} -@item <value> @expansion{} -<c-string> | <tupple> | <list> +@item @var{value} @expansion{} +@var{c-string} @code{|} @var{tupple} @code{|} @var{list} -@item <tupple> @expansion{} -``@{@}'' | ``@{'' <result> @{ ``,'' <result> @} ``@}'' +@item @var{tupple} @expansion{} +"@{@}" @code{|} "@{" @var{result} @{ "," @var{result} @} "@}" -@item <list> @expansion{} -``[]'' | ``['' <value> @{ ``,'' <value> @} ``]'' +@item @var{list} @expansion{} +"@code{[]}" @code{|} "@code{[}" @var{value} @{ "," @var{value} @} "@code{]}" -@item <string> @expansion{} +@item @var{string} @expansion{} @emph{[-A-Za-z\.0-9_]*} -@item <c-string> @expansion{} +@item @var{c-string} @expansion{} @emph{See the input specification} -@item <stream-record> @expansion{} -<console-stream-output> | <target-stream-output> | <log-stream-output> +@item @var{stream-record} @expansion{} +@var{console-stream-output} @code{|} @var{target-stream-output} @code{|} @var{log-stream-output} -@item <console-stream-output> @expansion{} -``~'' <c-string> +@item @var{console-stream-output} @expansion{} +"~" @var{c-string} -@item <target-stream-output> @expansion{} -``@@'' <c-string> +@item @var{target-stream-output} @expansion{} +"@@" @var{c-string} -@item <log-stream-output> @expansion{} -``&'' <c-string> +@item @var{log-stream-output} @expansion{} +"&" @var{c-string} -@item <nl> @expansion{} -CR | CR-LF +@item @var{nl} @expansion{} +CR @code{|} CR-LF -@item <token> @expansion{} -``any sequence of digits'' +@item @var{token} @expansion{} +"any sequence of digits" @end table @@ -2464,7 +3822,7 @@ In addition, the following are still being developed. @table @code -@item <query> +@item @var{query} This action is currently undefined. @end table @@ -2477,44 +3835,45 @@ Notes: All output sequences end in a single line containing a period. @item -The @code{<token>} is from the corresponding request. If an execution +The @code{@var{token}} is from the corresponding request. If an execution command is interrupted by the -exec-interrupt command, the token associated with the `*stopped' message is the one of the original execution command, not the one of the interrupt-command. @item -<status-async-output> contains on-going status information about the progress +@var{status-async-output} contains on-going status information about the progress of a slow operation. It can be discarded. All status output is prefixed by the prefix `+'. @item -<exec-async-output> contains asynchronous state change on the target +@var{exec-async-output} contains asynchronous state change on the target (stopped, started, disappeared). All async output is prefixed by the prefix `*'. @item -<notify-async-output> contains supplementary information that the client should +@var{notify-async-output} contains supplementary information that the client should handle (new breakpoint information). All notify output is prefixed by the prefix `='. @item -<console-stream-output> is output that should be displayed as is in the +@var{console-stream-output} is output that should be displayed as is in the console. It is the textual response to a CLI command. All the console output is prefixed by the prefix ``~''. @item -<target-stream-output> is the output produced by the target program. +@var{target-stream-output} is the output produced by the target program. All the target output is prefixed by the prefix ``@@''. @item -<log-stream-output> is output text coming from GDB's internals, for +@var{log-stream-output} is output text coming from GDB's internals, for instance messages that should be displayed as part of an error log. All the log output is prefixed by the prefix ``&''. @end itemize +@end ignore + @c Local variables: @c change-log-default-name: "ChangeLog-mi" @c End: -@bye |