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-		      README for gdb-4.13 release
-		    Updated 8-Aug-94 by Fred Fish
-
-This is GDB, the GNU source-level debugger, presently running under un*x.
-A summary of new features is in the file `NEWS'.
-
-
-Unpacking and Installation -- quick overview
-==========================
-
-In this release, the GDB debugger sources, the generic GNU include
-files, the BFD ("binary file description") library, the readline
-library, and other libraries all have directories of their own
-underneath the gdb-4.13 directory.  The idea is that a variety of GNU
-tools can share a common copy of these things.  Be aware of variation
-over time--for example don't try to build gdb with a copy of bfd from
-a release other than the gdb release (such as a binutils or gas
-release), especially if the releases are more than a few weeks apart.
-Configuration scripts and makefiles exist to cruise up and down this
-directory tree and automatically build all the pieces in the right
-order.
-
-When you unpack the gdb-4.13.tar.gz file, you'll find a directory
-called `gdb-4.13', which contains:
-
-  Makefile.in      config.sub*      glob/            opcodes/
-  README           configure*       include/         readline/
-  bfd/             configure.in     libiberty/       texinfo/
-  config/          etc/             mmalloc/
-  config.guess*    gdb/             move-if-change*
-
-To build GDB, you can just do:
-
-	cd gdb-4.13
-	./configure
-	make
-	cp gdb/gdb /usr/local/bin/gdb	(or wherever you want)
-
-This will configure and build all the libraries as well as GDB.
-If `configure' can't determine your system type, specify one as its
-argument, e.g. sun4 or decstation.
-
-If you get compiler warnings during this stage, see the `Reporting Bugs'
-section below; there are a few known problems.
-
-GDB can be used as a cross-debugger, running on a machine of one type
-while debugging a program running on a machine of another type.  See below.
-
-
-More Documentation
-******************
-
-   The GDB 4 release includes an already-formatted reference card,
-ready for printing with PostScript or Ghostscript, in the `gdb'
-subdirectory of the main source directory.  (In `gdb-4.13/gdb/refcard.ps'.)
-If you can use PostScript or Ghostscript with your printer, you can
-print the reference card immediately with `refcard.ps'.
-
-   The release also includes the source for the reference card.  You
-can format it, using TeX, by typing:
-
-     make refcard.dvi
-
-   The GDB reference card is designed to print in landscape mode on US
-"letter" size paper; that is, on a sheet 11 inches wide by 8.5 inches
-high.  You will need to specify this form of printing as an option to
-your DVI output program.
-
-   All the documentation for GDB comes as part of the machine-readable
-distribution.  The documentation is written in Texinfo format, which is
-a documentation system that uses a single source file to produce both
-on-line information and a printed manual.  You can use one of the Info
-formatting commands to create the on-line version of the documentation
-and TeX (or `texi2roff') to typeset the printed version.
-
-   GDB includes an already formatted copy of the on-line Info version of
-this manual in the `gdb' subdirectory.  The main Info file is
-`gdb-VERSION-NUMBER/gdb/gdb.info', and it refers to subordinate files
-matching `gdb.info*' in the same directory.  If necessary, you can
-print out these files, or read them with any editor; but they are
-easier to read using the `info' subsystem in GNU Emacs or the
-standalone `info' program, available as part of the GNU Texinfo
-distribution.
-
-   If you want to format these Info files yourself, you need one of the
-Info formatting programs, such as `texinfo-format-buffer' or `makeinfo'.
-
-   If you have `makeinfo' installed, and are in the top level GDB
-source directory (`gdb-4.13', in the case of version 4.13), you can make
-the Info file by typing:
-
-     cd gdb
-     make gdb.info
-
-   If you want to typeset and print copies of this manual, you need TeX,
-a program to print its DVI output files, and `texinfo.tex', the Texinfo
-definitions file.
-
-   TeX is a typesetting program; it does not print files directly, but
-produces output files called DVI files.  To print a typeset document,
-you need a program to print DVI files.  If your system has TeX
-installed, chances are it has such a program.  The precise command to
-use depends on your system; `lpr -d' is common; another (for PostScript
-devices) is `dvips'.  The DVI print command may require a file name
-without any extension or a `.dvi' extension.
-
-   TeX also requires a macro definitions file called `texinfo.tex'. 
-This file tells TeX how to typeset a document written in Texinfo
-format.  On its own, TeX cannot read, much less typeset a Texinfo file.
- `texinfo.tex' is distributed with GDB and is located in the
-`gdb-VERSION-NUMBER/texinfo' directory.
-
-   If you have TeX and a DVI printer program installed, you can typeset
-and print this manual.  First switch to the the `gdb' subdirectory of
-the main source directory (for example, to `gdb-4.13/gdb') and then type:
-
-     make gdb.dvi
-
-
-Installing GDB
-**************
-
-   GDB comes with a `configure' script that automates the process of
-preparing GDB for installation; you can then use `make' to build the
-`gdb' program.
-
-   The GDB distribution includes all the source code you need for GDB in
-a single directory, whose name is usually composed by appending the
-version number to `gdb'.
-
-   For example, the GDB version 4.13 distribution is in the `gdb-4.13'
-directory.  That directory contains:
-
-`gdb-4.13/configure (and supporting files)'
-     script for configuring GDB and all its supporting libraries.
-
-`gdb-4.13/gdb'
-     the source specific to GDB itself
-
-`gdb-4.13/bfd'
-     source for the Binary File Descriptor library
-
-`gdb-4.13/include'
-     GNU include files
-
-`gdb-4.13/libiberty'
-     source for the `-liberty' free software library
-
-`gdb-4.13/opcodes'
-     source for the library of opcode tables and disassemblers
-
-`gdb-4.13/readline'
-     source for the GNU command-line interface
-
-`gdb-4.13/glob'
-     source for the GNU filename pattern-matching subroutine
-
-`gdb-4.13/mmalloc'
-     source for the GNU memory-mapped malloc package
-
-'gdb-4.13/sim'
-     source for some simulators (z8000, H8/300, H8/500, etc)
-
-   The simplest way to configure and build GDB is to run `configure'
-from the `gdb-VERSION-NUMBER' source directory, which in this example
-is the `gdb-4.13' directory.
-
-   First switch to the `gdb-VERSION-NUMBER' source directory if you are
-not already in it; then run `configure'.  Pass the identifier for the
-platform on which GDB will run as an argument.
-
-   For example:
-
-     cd gdb-4.13
-     ./configure HOST
-     make
-
-where HOST is an identifier such as `sun4' or `decstation', that
-identifies the platform where GDB will run.
-
-   Running `configure HOST' followed by `make' builds the `bfd',
-`readline', `mmalloc', and `libiberty' libraries, then `gdb' itself. 
-The configured source files, and the binaries, are left in the
-corresponding source directories.
-
-   `configure' is a Bourne-shell (`/bin/sh') script; if your system
-does not recognize this automatically when you run a different shell,
-you may need to run `sh' on it explicitly:
-
-     sh configure HOST
-
-   If you run `configure' from a directory that contains source
-directories for multiple libraries or programs, such as the `gdb-4.13'
-source directory for version 4.13, `configure' creates configuration
-files for every directory level underneath (unless you tell it not to,
-with the `--norecursion' option).
-
-   You can run the `configure' script from any of the subordinate
-directories in the GDB distribution, if you only want to configure that
-subdirectory; but be sure to specify a path to it.
-
-   For example, with version 4.13, type the following to configure only
-the `bfd' subdirectory:
-
-     cd gdb-4.13/bfd
-     ../configure HOST
-
-   You can install `gdb' anywhere; it has no hardwired paths. However,
-you should make sure that the shell on your path (named by the `SHELL'
-environment variable) is publicly readable.  Remember that GDB uses the
-shell to start your program--some systems refuse to let GDB debug child
-processes whose programs are not readable.
-
-
-Compiling GDB in another directory
-==================================
-
-   If you want to run GDB versions for several host or target machines,
-you need a different `gdb' compiled for each combination of host and
-target.  `configure' is designed to make this easy by allowing you to
-generate each configuration in a separate subdirectory, rather than in
-the source directory.  If your `make' program handles the `VPATH'
-feature correctly (GNU `make' and SunOS 'make' are two that should),
-running `make' in each of these directories builds the `gdb' program
-specified there.
-
-   To build `gdb' in a separate directory, run `configure' with the
-`--srcdir' option to specify where to find the source. (You also need
-to specify a path to find `configure' itself from your working
-directory.  If the path to `configure' would be the same as the
-argument to `--srcdir', you can leave out the `--srcdir' option; it
-will be assumed.)
-
-   For example, with version 4.13, you can build GDB in a separate
-directory for a Sun 4 like this:
-
-     cd gdb-4.13
-     mkdir ../gdb-sun4
-     cd ../gdb-sun4
-     ../gdb-4.13/configure sun4
-     make
-
-   When `configure' builds a configuration using a remote source
-directory, it creates a tree for the binaries with the same structure
-(and using the same names) as the tree under the source directory.  In
-the example, you'd find the Sun 4 library `libiberty.a' in the
-directory `gdb-sun4/libiberty', and GDB itself in `gdb-sun4/gdb'.
-
-   One popular reason to build several GDB configurations in separate
-directories is to configure GDB for cross-compiling (where GDB runs on
-one machine--the host--while debugging programs that run on another
-machine--the target).  You specify a cross-debugging target by giving
-the `--target=TARGET' option to `configure'.
-
-   When you run `make' to build a program or library, you must run it
-in a configured directory--whatever directory you were in when you
-called `configure' (or one of its subdirectories).
-
-   The `Makefile' that `configure' generates in each source directory
-also runs recursively.  If you type `make' in a source directory such
-as `gdb-4.13' (or in a separate configured directory configured with
-`--srcdir=PATH/gdb-4.13'), you will build all the required libraries,
-and then build GDB.
-
-   When you have multiple hosts or targets configured in separate
-directories, you can run `make' on them in parallel (for example, if
-they are NFS-mounted on each of the hosts); they will not interfere
-with each other.
-
-
-Specifying names for hosts and targets
-======================================
-
-   The specifications used for hosts and targets in the `configure'
-script are based on a three-part naming scheme, but some short
-predefined aliases are also supported.  The full naming scheme encodes
-three pieces of information in the following pattern:
-
-     ARCHITECTURE-VENDOR-OS
-
-   For example, you can use the alias `sun4' as a HOST argument or in a
-`--target=TARGET' option.  The equivalent full name is
-`sparc-sun-sunos4'.
-
-   The `configure' script accompanying GDB does not provide any query
-facility to list all supported host and target names or aliases. 
-`configure' calls the Bourne shell script `config.sub' to map
-abbreviations to full names; you can read the script, if you wish, or
-you can use it to test your guesses on abbreviations--for example:
-
-     % sh config.sub sun4
-     sparc-sun-sunos411
-     % sh config.sub sun3
-     m68k-sun-sunos411
-     % sh config.sub decstation
-     mips-dec-ultrix42
-     % sh config.sub hp300bsd
-     m68k-hp-bsd
-     % sh config.sub i386v
-     i386-unknown-sysv
-     % sh config.sub i786v
-     Invalid configuration `i786v': machine `i786v' not recognized
-
-`config.sub' is also distributed in the GDB source directory
-(`gdb-4.13', for version 4.13).
-
-
-`configure' options
-===================
-
-   Here is a summary of the `configure' options and arguments that are
-most often useful for building GDB.  `configure' also has several other
-options not listed here.  *note : (configure.info)What Configure Does,
-for a full explanation of `configure'.
-
-     configure [--help]
-               [--prefix=DIR]
-               [--srcdir=PATH]
-               [--norecursion] [--rm]
-               [--target=TARGET] HOST
-
-You may introduce options with a single `-' rather than `--' if you
-prefer; but you may abbreviate option names if you use `--'.
-
-`--help'
-     Display a quick summary of how to invoke `configure'.
-
-`-prefix=DIR'
-     Configure the source to install programs and files under directory
-     `DIR'.
-
-`--srcdir=PATH'
-     *Warning: using this option requires GNU `make', or another `make'
-     that compatibly implements the `VPATH' feature.*
-     Use this option to make configurations in directories separate
-     from the GDB source directories.  Among other things, you can use
-     this to build (or maintain) several configurations simultaneously,
-     in separate directories.  `configure' writes configuration
-     specific files in the current directory, but arranges for them to
-     use the source in the directory PATH.  `configure' will create
-     directories under the working directory in parallel to the source
-     directories below PATH.
-
-`--norecursion'
-     Configure only the directory level where `configure' is executed;
-     do not propagate configuration to subdirectories.
-
-`--rm'
-     Remove the configuration that the other arguments specify.
-
-`--target=TARGET'
-     Configure GDB for cross-debugging programs running on the specified
-     TARGET.  Without this option, GDB is configured to debug programs
-     that run on the same machine (HOST) as GDB itself.
-
-     There is no convenient way to generate a list of all available
-     targets.
-
-`HOST ...'
-     Configure GDB to run on the specified HOST.
-
-     There is no convenient way to generate a list of all available
-     hosts.
-
-`configure' accepts other options, for compatibility with configuring
-other GNU tools recursively; but these are the only options that affect
-GDB or its supporting libraries.
-
-
-Languages other than C
-=======================
-
-See the GDB manual (doc/gdb.texinfo) for information on this.
-
-Kernel debugging
-=================
-
-I have't done this myself so I can't really offer any advice.
-Remote debugging over serial lines works fine, but the kernel debugging
-code in here has not been tested in years.  Van Jacobson has
-better kernel debugging, but the UC lawyers won't let FSF have it.
-
-
-Remote debugging
-=================
-
-The files m68k-stub.c, i386-stub.c, and sparc-stub.c are examples of
-remote stubs to be used with remote.c.  They are designed to run
-standalone on an m68k, i386, or SPARC cpu and communicate properly with
-the remote.c stub over a serial line.
-
-The file rem-multi.shar contains a general stub that can probably
-run on various different flavors of unix to allow debugging over a
-serial line from one machine to another.
-
-Some working remote interfaces for talking to existing ROM monitors
-are:
-	remote-adapt.c	 AMD 29000 "Adapt"
-	remote-eb.c	 AMD 29000 "EBMON"
-	remote-es1800.c	 Ericsson 1800 monitor
-	remote-hms.c	 Hitachi Micro Systems H8/300 monitor
-	remote-mips.c	 MIPS remote debugging protocol
-	remote-mm.c	 AMD 29000 "minimon"
-	remote-nindy.c   Intel 960 "Nindy"
-	remote-sim.c	 Generalized simulator protocol
-	remote-st2000.c	 Tandem ST-2000 monitor
-	remote-udi.c	 AMD 29000 using the AMD "Universal Debug Interface"
-	remote-vx.c	 VxWorks realtime kernel
-	remote-z8k.c	 Zilog Z8000 simulator
-
-Remote-vx.c and the vx-share subdirectory contain a remote interface for the
-VxWorks realtime kernel, which communicates over TCP using the Sun
-RPC library.  This would be a useful starting point for other remote-
-via-ethernet back ends.
-
-Remote-udi.c and the 29k-share subdirectory contain a remote interface
-for AMD 29000 programs, which uses the AMD "Universal Debug Interface".
-This allows GDB to talk to software simulators, emulators, and/or bare
-hardware boards, via network or serial interfaces.  Note that GDB only
-provides an interface that speaks UDI, not a complete solution.  You
-will need something on the other end that also speaks UDI.
-
-
-Reporting Bugs
-===============
-
-The correct address for reporting bugs found in gdb is
-"bug-gdb@prep.ai.mit.edu".  Please email all bugs, and all requests for
-help with GDB, to that address.  Please include the GDB version number
-(e.g. gdb-4.13), and how you configured it (e.g. "sun4" or "mach386
-host, i586-intel-synopsys target").  If you include the banner that GDB
-prints when it starts up, that will give us enough information.
-
-For more information on how/whether to report bugs, see the GDB Bugs
-section of the GDB manual (gdb/doc/gdb.texinfo).
-
-Known bugs:
-
-  * Under Ultrix 4.2 (DECstation-3100) or Alphas under OSF/1, we have
-    seen problems with backtraces after interrupting the inferior out
-    of a read().  The problem is caused by ptrace() returning an
-    incorrect value for the frame pointer register (register 15 or
-    30).  As far as we can tell, this is a kernel problem.  Any help
-    with this would be greatly appreciated.
-
-  * On DECstations there are warnings about shift counts out of range in
-    various BFD modules.  None of them is a cause for alarm, they are actually
-    a result of bugs in the DECstation compiler.
-
-  * Notes for the DEC Alpha using OSF/1:
-    The debugging output of native cc has two known problems; we view these
-    as compiler bugs.
-    The linker miscompacts symbol tables, which causes gdb to confuse the
-    type of variables or results in `struct <illegal>' type outputs.
-    dbx has the same problems with those executables.  A workaround is to
-    specify -Wl,-b when linking, but that will increase the executable size
-    considerably.
-    If a structure has incomplete type in one file (e.g. "struct foo *"
-    without a definition for "struct foo"), gdb will be unable to find the
-    structure definition from another file.
-    It has been reported that the Ultrix 4.3A compiler on decstations has the
-    same problems.
-
-    Under some circumstances OSF/1 shared libraries do get relocated to a
-    different address, but gdb cannot handle these relocations yet. If you
-    encounter problems while debugging executables which use shared libraries,
-    try to relink your executable with the -non_shared option when using cc
-    or with the -static option when using gcc.
-
-  * Notes for Solaris 2.x, using the SPARCworks cc compiler:
-    You have to compile your program with the -xs option of the SPARCworks
-    compiler to be able to debug your program with gdb.
-    Under Solaris 2.3 you also need patch 101409-03 (Jumbo linker patch).
-    Under Solaris 2.2, if you have patch 101052 installed, make sure
-    that it is at least at revision 101052-06.
-
-  * Notes for BSD/386:
-    To compile gdb-4.13 on BSD/386, you must run the configure script and
-    its subscripts with bash.  Here is an easy way to do this:
-
-	bash -c 'CONFIG_SHELL=/bin/bash ./configure'
-
-    (configure will report i386-unknown-bsd).  Then, compile with the
-    standard "make" command.
-
-GDB can produce warnings about symbols that it does not understand.  By
-default, these warnings are disabled.  You can enable them by executing
-`set complaint 10' (which you can put in your ~/.gdbinit if you like).
-I recommend doing this if you are working on a compiler, assembler,
-linker, or gdb, since it will point out problems that you may be able
-to fix.  Warnings produced during symbol reading indicate some mismatch
-between the object file and GDB's symbol reading code.  In many cases,
-it's a mismatch between the specs for the object file format, and what
-the compiler actually outputs or the debugger actually understands.
-
-
-X Windows versus GDB
-=====================
-
-There is an "xxgdb", which seems to work for simple operations,
-which was posted to comp.sources.x.
-
-For those interested in auto display of source and the availability of
-an editor while debugging I suggest trying gdb-mode in gnu-emacs
-(Try typing M-x gdb RETURN).  Comments on this mode are welcome.
-
-
-Writing Code for GDB
-=====================
-
-There is a lot of information about writing code for GDB in the
-internals manual, distributed with GDB in gdb/doc/gdbint.texinfo.  You
-can read it by hand, print it by using TeX and texinfo, or process it
-into an `info' file for use with Emacs' info mode or the standalone
-`info' program.  In particular, see the nodes Getting Started,
-Debugging GDB, New Architectures, Coding Style, Clean Design, and
-Submitting Patches.
-
-If you are pondering writing anything but a short patch, especially
-take note of the information about copyrights in the node Submitting
-Patches.  It can take quite a while to get all the paperwork done, so
-we encourage you to start that process as soon as you decide you are
-planning to work on something, or at least well ahead of when you
-think you will be ready to submit the patches.
-
-
-GDB Testsuite
-=============
-
-There is a dejagnu based testsuite available for testing your newly
-built GDB, or for regression testing GDBs with local modifications.
-The testsuite is distributed separately from the base GDB distribution
-for the convenience of people that wish to get either GDB or the testsuite
-separately.
-
-The name of the testsuite is gdb-4.13-testsuite.tar.gz.  You unpack it in the
-same directory in which you unpacked the base GDB distribution, and it
-will create and populate the directory gdb-4.13/gdb/testsuite.
-
-Running the testsuite requires the prior installation of dejagnu, which
-should be available via ftp.  Once dejagnu is installed, you can run
-the tests in one of two ways:
-
-  (1)	cd gdb-4.13/gdb		(assuming you also unpacked gdb)
-	make check
-
-or
-
-  (2)	cd gdb-4.13/gdb/testsuite
-	make		(builds the test executables)
-	make site.exp	(builds the site specific file)
-	runtest -tool gdb GDB=../gdb    (or GDB=<somepath> as appropriate)
-
-The second method gives you slightly more control in case of problems with
-building one or more test executables, in case you wish to remove some
-test executables before running the tests, or if you are using the testsuite
-'standalone', without it being part of the GDB source tree.
-
-See the dejagnu documentation for further details.
-
-
-(this is for editing this file with GNU emacs)
-Local Variables:
-mode: text
-End: