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diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 620368d..2006857 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -32,17 +32,13 @@ @c THIS MANUAL REQUIRES TEXINFO-2 macros and info-makers to format properly. -@ifinfo @c This is a dir.info fragment to support semi-automated addition of @c manuals to an info tree. zoo@cygnus.com is developing this facility. -@format -START-INFO-DIR-ENTRY +@dircategory Programming & development tools. +@direntry * Gdb: (gdb). The @sc{gnu} debugger. -END-INFO-DIR-ENTRY -@end format -@end ifinfo -@c -@c +@end direntry + @ifinfo This file documents the @sc{gnu} debugger @value{GDBN}. @@ -114,7 +110,7 @@ into another language, under the above conditions for modified versions. @end titlepage @page -@ifinfo +@ifnottex @node Top @top Debugging with @value{GDBN} @@ -157,7 +153,7 @@ Copyright (C) 1988-1999 Free Software Foundation, Inc. * Index:: Index @end menu -@end ifinfo +@end ifnottex @node Summary @unnumbered Summary of @value{GDBN} @@ -226,14 +222,14 @@ you have these freedoms and that you cannot take these freedoms away from anyone else. @node Contributors -@unnumberedsec Contributors to GDB - -Richard Stallman was the original author of GDB, and of many other -@sc{gnu} programs. Many others have contributed to its development. -This section attempts to credit major contributors. One of the virtues -of free software is that everyone is free to contribute to it; with -regret, we cannot actually acknowledge everyone here. The file -@file{ChangeLog} in the @value{GDBN} distribution approximates a +@unnumberedsec Contributors to @value{GDBN} + +Richard Stallman was the original author of @value{GDBN}, and of many +other @sc{gnu} programs. Many others have contributed to its +development. This section attempts to credit major contributors. One +of the virtues of free software is that everyone is free to contribute +to it; with regret, we cannot actually acknowledge everyone here. The +file @file{ChangeLog} in the @value{GDBN} distribution approximates a blow-by-blow account. Changes much prior to version 2.0 are lost in the mists of time. @@ -259,10 +255,11 @@ and Randy Smith (releases 3.2, 3.1, and 3.0). Richard Stallman, assisted at various times by Peter TerMaat, Chris Hanson, and Richard Mlynarik, handled releases through 2.8. -Michael Tiemann is the author of most of the @sc{gnu} C++ support in GDB, -with significant additional contributions from Per Bothner. James -Clark wrote the @sc{gnu} C++ demangler. Early work on C++ was by Peter -TerMaat (who also did much general update work leading to release 3.0). +Michael Tiemann is the author of most of the @sc{gnu} C++ support in +@value{GDBN}, with significant additional contributions from Per +Bothner. James Clark wrote the @sc{gnu} C++ demangler. Early work on +C++ was by Peter TerMaat (who also did much general update work leading +to release 3.0). @value{GDBN} 4 uses the BFD subroutine library to examine multiple object-file formats; BFD was a joint project of David V. @@ -326,7 +323,7 @@ Toshiba sponsored the support for the TX39 Mips processor. Matsushita sponsored the support for the MN10200 and MN10300 processors. -Fujitsu sponsored the support for SPARClite and FR30 processors +Fujitsu sponsored the support for SPARClite and FR30 processors. Kung Hsu, Jeff Law, and Rick Sladkey added support for hardware watchpoints. @@ -336,7 +333,7 @@ Michael Snyder added support for tracepoints. Stu Grossman wrote gdbserver. Jim Kingdon, Peter Schauer, Ian Taylor, and Stu Grossman made -nearly innumerable bug fixes and cleanups throughout GDB. +nearly innumerable bug fixes and cleanups throughout @value{GDBN}. The following people at the Hewlett-Packard Company contributed support for the PA-RISC 2.0 architecture, HP-UX 10.20, 10.30, and 11.0 @@ -346,8 +343,8 @@ John Bishop, Susan Macchia, Kathy Mann, Satish Pai, India Paul, Steve Rehrauer, and Elena Zannoni. Kim Haase provided HP-specific information in this manual. -Cygnus Solutions has sponsored GDB maintenance and much of its -development since 1991. Cygnus engineers who have worked on GDB +Cygnus Solutions has sponsored @value{GDBN} maintenance and much of its +development since 1991. Cygnus engineers who have worked on @value{GDBN} fulltime include Mark Alexander, Jim Blandy, Per Bothner, Kevin Buettner, Edith Epstein, Chris Faylor, Fred Fish, Martin Hunt, Jim Ingham, John Gilmore, Stu Grossman, Kung Hsu, Jim Kingdon, John Metzler, @@ -696,7 +693,7 @@ debugger attached to a bare board, there may not be any notion of ``process'', and there is often no way to get a core dump. @value{GDBN} will warn you if it is unable to attach or to read core dumps. -You can run @code{gdb} without printing the front material, which describes +You can run @code{@value{GDBP}} without printing the front material, which describes @value{GDBN}'s non-warranty, by specifying @code{-silent}: @smallexample @@ -807,7 +804,7 @@ If memory-mapped files are available on your system through the @code{mmap} system call, you can use this option to have @value{GDBN} write the symbols from your program into a reusable file in the current directory. If the program you are debugging is -called @file{/tmp/fred}, the mapped symbol file is @file{./fred.syms}. +called @file{/tmp/fred}, the mapped symbol file is @file{/tmp/fred.syms}. Future @value{GDBN} debugging sessions notice the presence of this file, and can quickly map in symbol information from it, rather than reading the symbol table from the executable program. @@ -888,7 +885,7 @@ mode. @cindex @code{--nowindows} @cindex @code{-nw} ``No windows''. If @value{GDBN} comes with a graphical user interface -(GUI) built in, then this option tells GDB to only use the command-line +(GUI) built in, then this option tells @value{GDBN} to only use the command-line interface. If no GUI is available, this option has no effect. @item -windows @@ -1025,11 +1022,13 @@ no-warranty blurb, and exit. @table @code @kindex quit @r{[}@var{expression}@r{]} @kindex q -@item quit -To exit @value{GDBN}, use the @code{quit} command (abbreviated @code{q}), or -type an end-of-file character (usually @kbd{C-d}). If you do not supply -@var{expression}, @value{GDBN} will terminate normally; otherwise it will -terminate using the result of @var{expression} as the error code. +@item quit @r{[}@var{expression}@r{]} +@itemx q +To exit @value{GDBN}, use the @code{quit} command (abbreviated +@code{q}), or type an end-of-file character (usually @kbd{C-d}). If you +do not supply @var{expression}, @value{GDBN} will terminate normally; +otherwise it will terminate using the result of @var{expression} as the +error code. @end table @cindex interrupt @@ -1095,7 +1094,7 @@ how long it can be. It starts with a command name, which is followed by arguments whose meaning depends on the command name. For example, the command @code{step} accepts an argument which is the number of times to step, as in @samp{step 5}. You can also use the @code{step} command -with no arguments. Some command names do not allow any arguments. +with no arguments. Some commands do not allow any arguments. @cindex abbreviation @value{GDBN} command names may always be truncated if that abbreviation is @@ -1109,7 +1108,7 @@ arguments to the @code{help} command. @cindex repeating commands @kindex RET A blank line as input to @value{GDBN} (typing just @key{RET}) means to -repeat the previous command. Certain commands (for example, @code{run}) +repeat the previous command. Certain commands (for example, @code{run}) will not repeat this way; these are commands whose unintentional repetition might cause trouble and which you are unlikely to want to repeat. @@ -1222,7 +1221,7 @@ consider more information than usual when you press @key{TAB} or @kbd{M-?} to request word completion: @example -(@value{GDBP}) b 'bubble( @key{M-?} +(@value{GDBP}) b 'bubble( @kbd{M-?} bubble(double,double) bubble(int,int) (@value{GDBP}) b 'bubble( @end example @@ -1278,7 +1277,8 @@ running -- Running the program stack -- Examining the stack status -- Status inquiries support -- Support facilities -tracepoints -- Tracing of program execution without stopping the program +tracepoints -- Tracing of program execution without@* + stopping the program user-defined -- User-defined commands Type "help" followed by a class name for a list of @@ -1288,6 +1288,7 @@ documentation. Command name abbreviations are allowed if unambiguous. (@value{GDBP}) @end smallexample +@c the above line break eliminates huge line overfull... @item help @var{class} Using one of the general help classes as an argument, you can get a @@ -1398,7 +1399,7 @@ information in @value{GDBN} bug-reports. If multiple versions of version of @value{GDBN} you are running; as @value{GDBN} evolves, new commands are introduced, and old ones may wither away. Also, many system vendors ship variant versions of @value{GDBN}, and there are -variant versions of @value{GDBN} in GNU/Linux distributions as well. +variant versions of @value{GDBN} in @sc{gnu}/Linux distributions as well. The version number is the same as the one announced when you start @value{GDBN}. @@ -1409,7 +1410,7 @@ Display information about permission for copying @value{GDBN}. @kindex show warranty @item show warranty Display the @sc{gnu} ``NO WARRANTY'' statement, or a warranty, -if your version of @value{GDB} comes with one. +if your version of @value{GDBN} comes with one. @end table @@ -3307,6 +3308,7 @@ and hence is quicker than @code{until} without an argument. @kindex stepi @kindex si @item stepi +@itemx stepi @var{arg} @itemx si Execute one machine instruction, then stop and return to the debugger. @@ -3321,6 +3323,7 @@ An argument is a repeat count, as in @code{step}. @kindex nexti @kindex ni @item nexti +@itemx nexti @var{arg} @itemx ni Execute one machine instruction, but if it is a function call, proceed until the function returns. @@ -3362,6 +3365,7 @@ You can change these settings with the @code{handle} command. @table @code @kindex info signals @item info signals +@itemx info handle Print a table of all the kinds of signals and how @value{GDBN} has been told to handle each one. You can use this to see the signal numbers of all the defined types of signals. @@ -4112,7 +4116,7 @@ the object code for the first line of function @c FIXME: I think this example should also show the addresses in @c symbolic form, as they usually would be displayed. @smallexample -(@value{GDBP}) info line m4_changecom +(@value{GDBP}) info line m4_changequote Line 895 of "builtin.c" starts at pc 0x634c and ends at 0x6350. @end smallexample @@ -5483,7 +5487,7 @@ Fortran source file @item .ch @itemx .c186 @itemx .c286 -CHILL source file. +CHILL source file @item .mod Modula-2 source file @@ -6016,8 +6020,11 @@ of the character's ordinal value; or of the form @samp{\@var{x}}, where @samp{\n} for newline. @item -String constants are a sequence of character constants surrounded -by double quotes (@code{"}). +String constants are a sequence of character constants surrounded by +double quotes (@code{"}). Any valid character constant (as described +above) may appear. Double quotes within the string must be preceded by +a backslash, so for instance @samp{"a\"b'c"} is a string of five +characters. @item Pointer constants are an integral value. You can also write pointers @@ -6371,7 +6378,7 @@ Less than, greater than on integral, floating-point, or enumerated types. @item <=@r{, }>= -Less than, greater than, less than or equal to, greater than or equal to +Less than or equal to, greater than or equal to on integral, floating-point and enumerated types, or set inclusion on set types. Same precedence as @code{<}. @@ -7904,22 +7911,23 @@ the program is running. To do this, use the @code{kill} command @itemx add-symbol-file @var{filename} @var{address} @r{[} -readnow @r{]} @r{[} -mapped @r{]} @itemx add-symbol-file @var{filename} @var{address} @var{data_address} @var{bss_address} @itemx add-symbol-file @var{filename} @r{-T}@var{section} @var{address} -The @code{add-symbol-file} command reads additional symbol table information -from the file @var{filename}. You would use this command when @var{filename} -has been dynamically loaded (by some other means) into the program that -is running. @var{address} should be the memory address at which the -file has been loaded; @value{GDBN} cannot figure this out for itself. -You can specify up to three addresses, in which case they are taken to be -the addresses of the text, data, and bss segments respectively. -For complicated cases, you can specify an arbitrary number of @r{-T}@var{section} @var{address} -pairs, to give an explicit section name and base address for that section. -You can specify any @var{address} as an expression. +The @code{add-symbol-file} command reads additional symbol table +information from the file @var{filename}. You would use this command +when @var{filename} has been dynamically loaded (by some other means) +into the program that is running. @var{address} should be the memory +address at which the file has been loaded; @value{GDBN} cannot figure +this out for itself. You can specify up to three addresses, in which +case they are taken to be the addresses of the text, data, and bss +segments respectively. For complicated cases, you can specify an +arbitrary number of @samp{@r{-T}@var{section} @var{address}} pairs, to +give an explicit section name and base address for that section. You +can specify any @var{address} as an expression. The symbol table of the file @var{filename} is added to the symbol table originally read with the @code{symbol-file} command. You can use the -@code{add-symbol-file} command any number of times; the new symbol data thus -read keeps adding to the old. To discard all old symbol data instead, -use the @code{symbol-file} command. +@code{add-symbol-file} command any number of times; the new symbol data +thus read keeps adding to the old. To discard all old symbol data +instead, use the @code{symbol-file} command without any arguments. @code{add-symbol-file} does not repeat if you press @key{RET} after using it. @@ -9776,7 +9784,7 @@ the VxWorks shell can also be debugged. @value{GDBN} uses code that runs on both the Unix host and on the VxWorks target. The program @code{@value{GDBP}} is installed and executed on the Unix host. (It may be installed with the name @code{vxgdb}, to distinguish it from a -@value{GDB} for debugging programs on the host itself.) +@value{GDBN} for debugging programs on the host itself.) @table @code @item VxWorks-timeout @var{args} @@ -9805,8 +9813,8 @@ manual. Once you have included @file{rdb.a} in your VxWorks system image and set your Unix execution search path to find @value{GDBN}, you are ready to -run @value{GDBN}. From your Unix host, run @code{@value{GDBP}} (or @code{vxgdb}, -depending on your installation). +run @value{GDBN}. From your Unix host, run @code{@value{GDBP}} (or +@code{vxgdb}, depending on your installation). @value{GDBN} comes up showing the prompt: @@ -10041,7 +10049,7 @@ C:\> CTTY com1 @noindent (Later, if you wish to return control to the DOS console, you can use the command @code{CTTY con}---but you must send it over the device that -had control, in our example over the @file{COM1} serial line). +had control, in our example over the @file{COM1} serial line.) From the Unix host, use a communications program such as @code{tip} or @code{cu} to communicate with the PC; for example, @@ -10220,7 +10228,7 @@ E7000 emulator for Hitachi H8 and SH. @kindex target sh3@r{, with H8/300} @kindex target sh3e@r{, with H8/300} @item target sh3 @var{dev} -@item target sh3e @var{dev} +@itemx target sh3e @var{dev} Hitachi SH-3 and SH-3E target systems. @end table @@ -10265,14 +10273,14 @@ what speed to use over the serial device. @c only for Unix hosts @kindex device @cindex serial device, Hitachi micros -Use the special @code{@value{GDBP}} command @samp{device @var{port}} if you +Use the special @code{@value{GDBN}} command @samp{device @var{port}} if you need to explicitly set the serial device. The default @var{port} is the first available port on your host. This is only necessary on Unix hosts, where it is typically something like @file{/dev/ttya}. @kindex speed @cindex serial line speed, Hitachi micros -@code{@value{GDBP}} has another special command to set the communications +@code{@value{GDBN}} has another special command to set the communications speed: @samp{speed @var{bps}}. This command also is only used from Unix hosts; on DOS hosts, set the line speed as usual from outside @value{GDBN} with the DOS @code{mode} command (for instance, @@ -10319,7 +10327,7 @@ your development board. @kindex target hms@r{, and serial protocol} Now that serial communications are set up, and the development board is connected, you can start up @value{GDBN}. Call @code{@value{GDBP}} with -the name of your program as the argument. @code{@value{GDBP}} prompts +the name of your program as the argument. @code{@value{GDBN}} prompts you, as usual, with the prompt @samp{(@value{GDBP})}. Use two special commands to begin your debugging session: @samp{target hms} to specify cross-debugging to the Hitachi board, and the @code{load} command to @@ -10713,7 +10721,7 @@ is using. Use the @code{info reg} command to see what registers @cindex floating point, MIPS remote If your target board does not support the MIPS floating point coprocessor, you should use the command @samp{set mipsfpu none} (if you -need this, you may wish to put the command in your @value{GDBINIT} +need this, you may wish to put the command in your @value{GDBN} init file). This tells @value{GDBN} how to find the return value of functions which return floating point values. It also allows @value{GDBN} to avoid saving the floating point registers when calling |