@emph{Maintainer's note: The way GDB manipulates registers is undergoing
significant change. Many of the macros and functions refered to in the
-sections below are likely to be made obsolete. See the file @file{TODO}
-for more up-to-date information.}
+section below are likely to be made obsolete. For instance, instead of
+having different raw and virtual register sizes, an architecture can
+define pseudo-registers that map onto the raw registers.
+
+See the @uref{http://www.gnu.org/software/gdb/bugs/, Bug Tracking
+Database} and @uref{http://sources.redhat.com/gdb/current/ari, ARI
+Index} for more up-to-date information.}
Some architectures use one representation for a value when it lives in a
register, but use a different representation when it lives in memory.
@findex FRAME_CHAIN
Given @var{frame}, return a pointer to the calling frame.
-@item FRAME_CHAIN_COMBINE(@var{chain}, @var{frame})
-@findex FRAME_CHAIN_COMBINE
-Define this to take the frame chain pointer and the frame's nominal
-address and produce the nominal address of the caller's frame.
-Presently only defined for HP PA.
-
@item FRAME_CHAIN_VALID(@var{chain}, @var{thisframe})
@findex FRAME_CHAIN_VALID
Define this to be an expression that returns zero if the given frame is
Define this if you need to supply your own definition for the function
@code{get_saved_register}.
-@item HAVE_REGISTER_WINDOWS
-@findex HAVE_REGISTER_WINDOWS
-Define this if the target has register windows.
-
-@item REGISTER_IN_WINDOW_P (@var{regnum})
-@findex REGISTER_IN_WINDOW_P
-Define this to be an expression that is 1 if the given register is in
-the window.
-
@item IBM6000_TARGET
@findex IBM6000_TARGET
Shows that we are configured for an IBM RS/6000 target. This
the stack frame of the function already has been destroyed up to the
final `return from function call' instruction.
-@item IN_SIGTRAMP (@var{pc}, @var{name})
-@findex IN_SIGTRAMP
-Define this to return non-zero if the given @var{pc} and/or @var{name}
-indicates that the current function is a @code{sigtramp}.
-
@item SIGTRAMP_START (@var{pc})
@findex SIGTRAMP_START
@itemx SIGTRAMP_END (@var{pc})
@item REGISTER_RAW_SIZE (@var{reg})
@findex REGISTER_RAW_SIZE
-Return the raw size of @var{reg}.
+Return the raw size of @var{reg}; defaults to the size of the register's
+virtual type.
@xref{Target Architecture Definition, , Using Different Register and Memory Data Representations}.
@item REGISTER_VIRTUAL_SIZE (@var{reg})
@findex REGISTER_VIRTUAL_SIZE
-Return the virtual size of @var{reg}.
+Return the virtual size of @var{reg}; defaults to the size of the
+register's virtual type.
@xref{Target Architecture Definition, , Using Different Register and Memory Data Representations}.
@item REGISTER_VIRTUAL_TYPE (@var{reg})
@findex PC_IN_CALL_DUMMY
See @file{inferior.h}.
+@item PC_IN_SIGTRAMP (@var{pc}, @var{name})
+@findex PC_IN_SIGTRAMP
+@cindex sigtramp
+The @dfn{sigtramp} is a routine that the kernel calls (which then calls
+the signal handler). On most machines it is a library routine that is
+linked into the executable.
+
+This function, given a program counter value in @var{pc} and the
+(possibly NULL) name of the function in which that @var{pc} resides,
+returns nonzero if the @var{pc} and/or @var{name} show that we are in
+sigtramp.
+
@item PC_LOAD_SEGMENT
@findex PC_LOAD_SEGMENT
If defined, print information about the load segment for the program
A C expression that returns the address of the ``real'' code beyond the
function entry prologue found at @var{pc}.
-@item SKIP_PROLOGUE_FRAMELESS_P
-@findex SKIP_PROLOGUE_FRAMELESS_P
-A C expression that should behave similarly, but that can stop as soon
-as the function is known to have a frame. If not defined,
-@code{SKIP_PROLOGUE} will be used instead.
-
@item SKIP_TRAMPOLINE_CODE (@var{pc})
@findex SKIP_TRAMPOLINE_CODE
If the target machine has trampoline code that sits between callers and
such hosts.
@findex IS_DIR_SEPARATOR
-@item IS_DIR_SEPARATOR (@var{c}
+@item IS_DIR_SEPARATOR (@var{c})
Evaluates to a non-zero value if @var{c} is a directory separator
character. On Unix and GNU/Linux systems, only a slash @file{/} is
such a character, but on Windows, both @file{/} and @file{\} will
@item
Don't fix something on the branch unless/until it is also fixed in the
trunk. If this isn't possible, mentioning it in the @file{gdb/PROBLEMS}
-file is better than committing a hack
+file is better than committing a hack.
@item
When considering a patch for the branch, suggested criteria include:
Does it fix a build? Does it fix the sequence @kbd{break main; run}
@section Obsolete any code
Before anything else, poke the other developers (and around the source
-code) to see there is anything that can be removed from @value{GDBN} (an
-old target, an unused file).
+code) to see if there is anything that can be removed from @value{GDBN}
+(an old target, an unused file).
Obsolete code is identified by adding an @code{OBSOLETE} prefix to every
line. Doing this means that it is easy to identify obsolete code when
@section Create a Release
-This procedure can be followed when creating beta and final final
-releases. With a beta many of the steps can be skipped.
+The process of creating and then making available a release is broken
+down into a number of stages. The first part addresses the technical
+process of creating a releasable tar ball. The later stages address the
+process of releasing that tar ball.
+
+When making a release candidate just the first section is needed.
+
+@subsection Create a release candidate
+
+The objective at this stage is to create a set of tar balls that can be
+made available as a formal release (or as a less formal release
+candidate).
-@subheading Establish a few defaults.
+@subsubheading Freeze the branch
+
+Send out an e-mail notifying everyone that the branch is frozen to
+@email{gdb-patches@@sources.redhat.com}.
+
+@subsubheading Establish a few defaults.
@smallexample
-$ b=gdb_5_1-2001-07-29-branch
-$ v=5.1.1
+$ b=gdb_5_2-branch
+$ v=5.2
$ t=/sourceware/snapshot-tmp/gdbadmin-tmp
$ echo $t/$b/$v
+/sourceware/snapshot-tmp/gdbadmin-tmp/gdb_5_2-branch/5.2
$ mkdir -p $t/$b/$v
$ cd $t/$b/$v
$ pwd
-/sourceware/snapshot-tmp/gdbadmin-tmp/gdb_5_1-2001-07-29-branch/5.1.1
+/sourceware/snapshot-tmp/gdbadmin-tmp/gdb_5_2-branch/5.2
$ which autoconf
/home/gdbadmin/bin/autoconf
$
@end smallexample
-NB: Check the autoconf version carefully. You want to be using the
-version taken from the binutils snapshot directory. It is most likely
-that your system's installed version (@file{/usr/bin}?) is probably
-correct.
+@noindent
+Notes:
-@subheading Check out the relevant modules:
+@itemize @bullet
+@item
+Check the @code{autoconf} version carefully. You want to be using the
+version taken from the @file{binutils} snapshot directory. It is very
+unlikely that a system installed version of @code{autoconf} (e.g.,
+@file{/usr/bin/autoconf}) is correct.
+@end itemize
+
+@subsubheading Check out the relevant modules:
@smallexample
$ for m in gdb insight dejagnu
$
@end smallexample
-NB: The reading of @file{.cvsrc} is disabled (@file{-f}) so that there
-isn't any confusion between what is written here and what your local CVS
-really does.
+@noindent
+Note:
-@subheading Update relevant files.
+@itemize @bullet
+@item
+The reading of @file{.cvsrc} is disabled (@file{-f}) so that there isn't
+any confusion between what is written here and what your local
+@code{cvs} really does.
+@end itemize
+
+@subsubheading Update relevant files.
-@subsubheading @file{gdb/NEWS}
+@table @file
+
+@item gdb/NEWS
Major releases get their comments added as part of the mainline. Minor
releases should probably mention any significant bugs that were fixed.
-Don't forget to update the ChangeLog.
+Don't forget to include the @file{ChangeLog} entry.
@smallexample
$ emacs gdb/src/gdb/NEWS
$ cp gdb/src/gdb/ChangeLog insight/src/gdb/ChangeLog
@end smallexample
-@subsubheading @file{gdb/README}
+@item gdb/README
+
+You'll need to update:
-You'll need to update: the version, the update date, and who did it.
+@itemize @bullet
+@item
+the version
+@item
+the update date
+@item
+who did it
+@end itemize
@smallexample
$ emacs gdb/src/gdb/README
$ cp gdb/src/gdb/ChangeLog insight/src/gdb/ChangeLog
@end smallexample
-@emph{Maintainer note: Hopefully the README file was reviewed before the
-initial branch was cut so just a simple substitute is needed to get it
-updated.}
+@emph{Maintainer note: Hopefully the @file{README} file was reviewed
+before the initial branch was cut so just a simple substitute is needed
+to get it updated.}
@emph{Maintainer note: Other projects generate @file{README} and
@file{INSTALL} from the core documentation. This might be worth
pursuing.}
-@subsubheading @file{gdb/version.in}
+@item gdb/version.in
@smallexample
$ echo $v > gdb/src/gdb/version.in
+$ cat gdb/src/gdb/version.in
+5.2
$ emacs gdb/src/gdb/version.in
...
c-x 4 a
-...
+... Bump to version ...
c-x c-s c-x c-c
$ cp gdb/src/gdb/version.in insight/src/gdb/version.in
$ cp gdb/src/gdb/ChangeLog insight/src/gdb/ChangeLog
@end smallexample
-@subsubheading @file{dejagnu/src/dejagnu/configure.in}
+@item dejagnu/src/dejagnu/configure.in
Dejagnu is more complicated. The version number is a parameter to
-@var{AM_INIT_AUTOMAKE}. Tweak it to read something like
-@var{gdb-5.1.1}.
+@code{AM_INIT_AUTOMAKE}. Tweak it to read something like gdb-5.1.91.
+
+Don't forget to re-generate @file{configure}.
-Re-generate configure.
+Don't forget to include a @file{ChangeLog} entry.
-Add a ChangeLog.
+@smallexample
+$ emacs dejagnu/src/dejagnu/configure.in
+...
+c-x 4 a
+...
+c-x c-s c-x c-c
+$ ( cd dejagnu/src/dejagnu && autoconf )
+@end smallexample
-@subheading Do the dirty work
+@end table
-This is identical to the process used when creating the daily snapshot.
+@subsubheading Do the dirty work
+
+This is identical to the process used to create the daily snapshot.
@smallexample
-$ for m in gdb insight dejagnu
+$ for m in gdb insight
do
-( cd $m/src && gmake -f Makefile.in $m.tar.bz2 )
+( cd $m/src && gmake -f Makefile.in $m.tar )
done
+$ ( m=dejagnu; cd $m/src && gmake -f Makefile.in $m.tar.bz2 )
@end smallexample
-@subheading Check the source files
+@subsubheading Check the source files
-You're looking for files that have mysteriously disappeared as the
+You're looking for files that have mysteriously disappeared.
@kbd{distclean} has the habit of deleting files it shouldn't. Watch out
for the @file{version.in} update @kbd{cronjob}.
@smallexample
$ ( cd gdb/src && cvs -f -q -n update )
M djunpack.bat
+? gdb-5.1.91.tar
? proto-toplev
-? gdb-5.1.1.tar.bz2
+@dots{} lots of generated files @dots{}
M gdb/ChangeLog
M gdb/NEWS
M gdb/README
M gdb/version.in
-? gdb/p-exp.tab.c
-? gdb/doc/gdb.info-11
-? gdb/doc/gdb.info-12
-? gdb/doc/gdb.info-13
-? gdb/doc/gdb.info-14
-? gdb/doc/gdb.info-15
-? gdb/doc/gdbint.info-4
-? gdb/doc/gdbint.info-5
+@dots{} lots of generated files @dots{}
$
@end smallexample
+@noindent
@emph{Don't worry about the @file{gdb.info-??} or
@file{gdb/p-exp.tab.c}. They were generated (and yes @file{gdb.info-1}
was also generated only something strange with CVS means that they
didn't get supressed). Fixing it would be nice though.}
-@subheading Re-pack the release with @code{gzip}
+@subsubheading Create compressed versions of the release
@smallexample
-$ cp */*/*.bz2 .
-$ bunzip2 -k -v *.bz2
-$ gzip -9 -v *.tar
+$ cp */src/*.tar .
+$ cp */src/*.bz2 .
+$ ls -F
+dejagnu/ dejagnu-gdb-5.2.tar.bz2 gdb/ gdb-5.2.tar insight/ insight-5.2.tar
+$ for m in gdb insight
+do
+bzip2 -v -9 -c $m-$v.tar > $m-$v.tar.bz2
+gzip -v -9 -c $m-$v.tar > $m-$v.tar.gz
+done
+$
@end smallexample
-NB: A pipe such as @kbd{bunzip2 < xxx.bz2 | gzip -9 > xxx.gz} shouldn't
-be used since, in that mode, gzip doesn't know the file name information
-and consequently can't include it. This is also why the release process
-runs @code{tar} and @code{bzip2} as separate passes.
+@noindent
+Note:
-@emph{Maintainer note: The release process could be changed to create
-@file{.tar} rather than @file{.tar.bz2} files.}
+@itemize @bullet
+@item
+A pipe such as @kbd{bunzip2 < xxx.bz2 | gzip -9 > xxx.gz} is not since,
+in that mode, @code{gzip} does not know the name of the file and, hence,
+can not include it in the compressed file. This is also why the release
+process runs @code{tar} and @code{bzip2} as separate passes.
+@end itemize
-@section Check the release
+@subsection Sanity check the tar ball
+
+Pick a popular machine (Solaris/PPC?) and try the build on that.
+
+@smallexample
+$ bunzip2 < gdb-5.2.tar.bz2 | tar xpf -
+$ cd gdb-5.2
+$ ./configure
+$ make
+@dots{}
+$ ./gdb/gdb ./gdb/gdb
+GNU gdb 5.2
+@dots{}
+(gdb) b main
+Breakpoint 1 at 0x80732bc: file main.c, line 734.
+(gdb) run
+Starting program: /tmp/gdb-5.2/gdb/gdb
+
+Breakpoint 1, main (argc=1, argv=0xbffff8b4) at main.c:734
+734 catch_errors (captured_main, &args, "", RETURN_MASK_ALL);
+(gdb) print args
+$1 = @{argc = 136426532, argv = 0x821b7f0@}
+(gdb)
+@end smallexample
-Grab the @file{gdb.tar.bz2}, copy it to your local machine and then try
-a simple build using it.
+@subsection Make a release candidate available
-If this is a pre-release just copy the @file{.bz2} files to the snapshot
-directory and skip the remaining steps.
+If this is a release candidate then the only remaining steps are:
-If it is a final release, also make it available under a bogus name so
-that others can download and check it.
+@enumerate
+@item
+Commit @file{version.in} and @file{ChangeLog}
+@item
+Tweak @file{version.in} (and @file{ChangeLog} to read
+@var{L}.@var{M}.@var{N}-0000-00-00-cvs so that the version update
+process can restart.
+@item
+Make the release candidate available in
+@uref{ftp://sources.redhat.com/pub/gdb/snapshots/branch}
+@item
+Notify the relevant mailing lists ( @email{gdb@@sources.redhat.com} and
+@email{gdb-testers@@sources.redhat.com} that the candidate is available.
+@end enumerate
-@emph{Maintainer note: This adds an extra day to the release process but
-is very much worth it. Other developers are given the opportunity to
-check that things like your @file{NEWS} entries are correct or that
-other changes actually work.}
+@subsection Make a formal release available
-@section Release the tar ball
+(And you thought all that was required was to post an e-mail.)
-This is where, unfortunately, the notes just get vague.
+@subsubheading Install on sware
-@subheading Install on sware
+Copy the new files to both the release and the old release directory:
@smallexample
+$ cp *.bz2 *.gz ~ftp/pub/gdb/old-releases/
$ cp *.bz2 *.gz ~ftp/pub/gdb/releases
@end smallexample
-@subheading Create and update the web pages.
+@noindent
+Clean up the releases directory so that only the most recent releases
+are available (e.g. keep 5.2 and 5.2.1 but remove 5.1):
-Try the following:
+@smallexample
+$ cd ~ftp/pub/gdb/releases
+$ rm @dots{}
+@end smallexample
+@noindent
+Update the file @file{README} and @file{.message} in the releases
+directory:
+
+@smallexample
+$ vi README
+@dots{}
+$ rm -f .message
+$ ln README .message
+@end smallexample
+
+@subsubheading Update the web pages.
+
+@table @file
+
+@item htdocs/download/ANNOUNCEMENT
+This file, which is posted as the official announcement, includes:
@itemize @bullet
@item
-create the directory @file{htdocs/@var{version}} (e.g., @file{htdocs/5.1.1}
+General announcement
@item
-copy @file{index.html} and @file{ANNOUNCE} from the previous release
-into the @file{htdocs/@var{version}} directory and edit for content.
-Things like the MD5 sums, @kbd{ls -l} output, the version number and so
-on will need updating. Add NEWS entries to the @file{ANNOUNCE}. This
-ensures that the previous announcement is kept somewhere handy.
+News. If making an @var{M}.@var{N}.1 release, retain the news from
+earlier @var{M}.@var{N} release.
@item
-copy the @file{NEWS} from the distro into the
-@file{htdocs/@var{version}} directory, trim down to just the most recent
-news items
-@item
-Add a short (identical) announcement to both @file{htdocs/index.html}
-and @file{htdocs/news/index.html}
+Errata
+@end itemize
+
+@item htdocs/index.html
+@itemx htdocs/news/index.html
+@itemx htdocs/download/index.html
+These files include:
+@itemize @bullet
@item
-edit the script @file{htdocs/index.sh} to link in the new release
-number. Run it across all @file{index.html} files vis @kbd{./index.sh
-index.html */index.html}.
+announcement of the most recent release
@item
-grep the @file{htdocs} tree for references to the previous release
-version (@file{htdocs/download/index.html})
+news entry (remember to update both the top level and the news directory).
@end itemize
+These pages also need to be regenerate using @code{index.sh}.
-@emph{Maintainer note: This step is too fragile --- it is too easy to
-mis one of the entries and forget to update it.}
-
-@subheading Generate online docs
-
+@item download/onlinedocs/
You need to find the magic command that is used to generate the online
docs from the @file{.tar.bz2}. The best way is to look in the output
-from one of the nightly cronjobs and then just edit accordingly.
+from one of the nightly @code{cron} jobs and then just edit accordingly.
Something like:
@smallexample
$ ~/ss/update-web-docs \
- ~ftp/pub/gdb/releases/gdb-5.1.1.tar.bz2 \
+ ~ftp/pub/gdb/releases/gdb-5.2.tar.bz2 \
+ $PWD/www \
+ /www/sourceware/htdocs/gdb/download/onlinedocs \
+ gdb
+@end smallexample
+
+@item download/ari/
+Just like the online documentation. Something like:
+
+@smallexample
+$ /bin/sh ~/ss/update-web-ari \
+ ~ftp/pub/gdb/releases/gdb-5.2.tar.bz2 \
$PWD/www \
- /www/sourceware/htdocs/gdb/5.1.1/onlinedocs \
+ /www/sourceware/htdocs/gdb/download/ari \
gdb
@end smallexample
-@subheading Something about @file{ANNOUNCEMENT}
+@end table
+
+@subsubheading Shadow the pages onto gnu
+
+Something goes here.
+
+
+@subsubheading Install the @value{GDBN} tar ball on GNU
+
+At the time of writing, the GNU machine was @kbd{gnudist.gnu.org} in
+@file{~ftp/gnu/gdb}.
-Send the @file{ANNOUNCEMENT} file you created above to:
+@subsubheading Make the @file{ANNOUNCEMENT}
+
+Post the @file{ANNOUNCEMENT} file you created above to:
@itemize @bullet
@item
@email{gdb-announce@@sources.redhat.com, GDB Announcement mailing list}
@item
-The gnu announce list (but delay it a day or so to let things get out).
+@email{info-gnu@@gnu.org, General GNU Announcement list} (but delay it a
+day or so to let things get out)
+@item
+@email{bug-gdb@@gnu.org, GDB Bug Report mailing list}
@end itemize
-@subheading Install it on GNU
+@subsection Cleanup
-At the time of writing, the GNU machine was @kbd{gnudist.gnu.org} in
-@file{~ftp/gnu/gdb} (I think, I'm still waiting for it to copy into my
-home directory).
+The release is out but you're still not finished.
-@section Cleanup
+@subsubheading Commit outstanding changes
-@subheading Commit outstanding changes
-
-In particular you'll need to commit the changes to:
+In particular you'll need to commit any changes to:
@itemize @bullet
@item
@file{gdb/README}
@end itemize
-@subheading Tag the release
+@subsubheading Tag the release
Something like:
$ echo $d
2002-01-24
$ ( cd insight/src/gdb && cvs -f -q update )
-$ ( cd insight/src && cvs -f -q tag gdb_5_1_1-$d-release )
+$ ( cd insight/src && cvs -f -q tag gdb_5_2-$d-release )
@end smallexample
-Insight is used since that contains more of the release than GDB (yes
-dejagnu doesn't get tagged but I think we can live with that.).
+Insight is used since that contains more of the release than
+@value{GDBN} (@code{dejagnu} doesn't get tagged but I think we can live
+with that).
+
+@subsubheading Mention the release on the trunk
-@subheading Restart @file{gdb/version.in}
+Just put something in the @file{ChangeLog} so that the trunk also
+indicates when the release was made.
+
+@subsubheading Restart @file{gdb/version.in}
If @file{gdb/version.in} does not contain an ISO date such as
@kbd{2002-01-24} then the daily @code{cronjob} won't update it. Having
committed all the release changes it can be set to
-@file{5.1.0_0000-00-00-cvs} which will restart things (yes the @kbd{_}
+@file{5.2.0_0000-00-00-cvs} which will restart things (yes the @kbd{_}
is important - it affects the snapshot process).
Don't forget the @file{ChangeLog}.
-@subheading Merge into trunk
+@subsubheading Merge into trunk
The files committed to the branch may also need changes merged into the
trunk.
+@subsubheading Revise the release schedule
+
+Post a revised release schedule to @email{gdb@@sources.redhat.com, GDB
+Discussion List} with an updated announcement. The schedule can be
+generated by running:
+
+@smallexample
+$ ~/ss/schedule `date +%s` schedule
+@end smallexample
+
+@noindent
+The first parameter is approximate date/time in seconds (from the epoch)
+of the most recent release.
+
+Also update the schedule @code{cronjob}.
+
@section Post release
Remove any @code{OBSOLETE} code.
Any @file{@var{foo}-xdep.c} file that references STACK_END_ADDR
is so old that it has never been converted to use BFD. Now that's old!
-@item PYRAMID_CONTROL_FRAME_DEBUGGING
-pyr-xdep.c
-@item PYRAMID_CORE
-pyr-xdep.c
-@item PYRAMID_PTRACE
-pyr-xdep.c
-
-@item REG_STACK_SEGMENT
-exec.c
-
@end table
@include fdl.texi
projects / deliverable / binutils-gdb.git / blobdiff