/[emacs]/emacs/man/building.texi
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revision 1.70 by teirllm, Thu Aug 18 02:48:50 2005 UTC revision 1.71 by nickrob, Thu Oct 6 20:14:24 2005 UTC
# Line 749  ignores any numeric argument. Line 749  ignores any numeric argument.
749  @node GDB Graphical Interface  @node GDB Graphical Interface
750  @subsection GDB Graphical Interface  @subsection GDB Graphical Interface
751    
752    @findex gdb-mouse-set-clear-breakpoint
753    @findex gdb-mouse-toggle-breakpoint
754    By default, the command @code{gdb} starts GDB using a graphical    By default, the command @code{gdb} starts GDB using a graphical
755  interface where you view and control the program's data using Emacs  interface where you view and control the program's data using Emacs
756  windows.  You can still interact with GDB through the GUD buffer, but  windows.  You can still interact with GDB through the GUD buffer, but
# Line 854  relevant line.  This is red when the bre Line 856  relevant line.  This is red when the bre
856  when it is disabled.  Text-only terminals correspondingly display  when it is disabled.  Text-only terminals correspondingly display
857  a @samp{B} or @samp{b}.  a @samp{B} or @samp{b}.
858    
859  @item @kbd{d}  @item d
860  @kindex d @r{(GDB breakpoints buffer)}  @kindex d @r{(GDB breakpoints buffer)}
861  @findex gdb-delete-breakpoint  @findex gdb-delete-breakpoint
862  Delete the breakpoint at the current line (@code{gdb-delete-breakpoint}).  Delete the breakpoint at the current line (@code{gdb-delete-breakpoint}).
# Line 874  The stack buffer displays a @dfn{call st Line 876  The stack buffer displays a @dfn{call st
876  of the nested subroutine calls (@dfn{stack frames}) now active in the  of the nested subroutine calls (@dfn{stack frames}) now active in the
877  program.  @xref{Backtrace,,info stack, gdb, The GNU debugger}.  program.  @xref{Backtrace,,info stack, gdb, The GNU debugger}.
878    
879  The selected frame is displayed in reverse contrast.  Move point to  @findex gdb-frames-select
880  any frame in the stack and type @key{RET} to select it (@code{gdb-frames-select})  The selected frame number is displayed in reverse contrast.  Move
881  and display the associated source in the source buffer. Alternatively,  point to any frame in the stack and type @key{RET} to select it
882  click @kbd{Mouse-2} to make the selected frame become the current one.  (@code{gdb-frames-select}) and display the associated source in the
883  If the locals buffer is displayed then its contents update to display  source buffer.  Alternatively, click @kbd{Mouse-2} on a frame to
884  the variables that are local to the new frame.  select it.  If the locals buffer is displayed then its contents update
885    to display the variables that are local to the new frame.
886    
887  @node Watch Expressions  @node Watch Expressions
888  @subsubsection Watch Expressions  @subsubsection Watch Expressions
889  @cindex Watching expressions in GDB  @cindex Watching expressions in GDB
890    
891    @findex gud-watch
892  If you want to see how a variable changes each time your program stops  If you want to see how a variable changes each time your program stops
893  then place the cursor over the variable name and click on the watch  then place the cursor over the variable name and click on the watch
894  icon in the tool bar (@code{gud-watch}).  icon in the tool bar (@code{gud-watch}).
# Line 894  types, such as arrays, structures and un Line 898  types, such as arrays, structures and un
898  format.  To expand or contract a complex data type, click @kbd{Mouse-2}  format.  To expand or contract a complex data type, click @kbd{Mouse-2}
899  on the tag to the left of the expression.  on the tag to the left of the expression.
900    
 @kindex RET @r{(GDB speedbar)}  
901  @findex gdb-var-delete  @findex gdb-var-delete
902  With the cursor over the root expression of a complex data type, type  With the cursor over the root expression of a complex data type, type
903  @kbd{D} to delete it from the speedbar  @kbd{D} to delete it from the speedbar
904  (@code{gdb-var-delete}).  (@code{gdb-var-delete}).
905    
906    @kindex RET @r{(GDB speedbar)}
907  @findex gdb-edit-value  @findex gdb-edit-value
908  With the cursor over a simple data type or an element of a complex  With the cursor over a simple data type or an element of a complex
909  data type which holds a value, type @key{RET} or click @kbd{Mouse-2} to edit  data type which holds a value, type @key{RET} or click @kbd{Mouse-2} to edit
910  its value.  A prompt for a new value appears in the mini-buffer  its value.  A prompt for a new value appears in the mini-buffer
911  (@code{gdb-edit-value}).  (@code{gdb-edit-value}).
912    
913    @vindex gdb-show-changed-values
914  If you set the variable @code{gdb-show-changed-values} to  If you set the variable @code{gdb-show-changed-values} to
915  non-@code{nil} (the default value), then Emacs will use  non-@code{nil} (the default value), Emacs will use
916  font-lock-warning-face to display values that have recently changed in  font-lock-warning-face to display values that have recently changed in
917  the speedbar.  the speedbar.
918    
919    @vindex gdb-use-colon-colon-notation
920  If you set the variable @code{gdb-use-colon-colon-notation} to a  If you set the variable @code{gdb-use-colon-colon-notation} to a
921  non-@code{nil} value, then, in C, Emacs will use the  non-@code{nil} value then, in C, Emacs will use the
922  FUNCTION::VARIABLE format to display variables in the speedbar.  @var{function}::@var{variable} format to display variables in the
923  Since this does not work for variables defined in compound statements,  speedbar.  Since this does not work for variables defined in compound
924  the default value is @code{nil}.  statements, the default value is @code{nil}.
925    
926  @node Other GDB User Interface Buffers  @node Other GDB User Interface Buffers
927  @subsubsection Other Buffers  @subsubsection Other Buffers
928    
929  @table @asis  @table @asis
930  @item Input/Output Buffer  @item Input/Output Buffer
931    @vindex gdb-use-inferior-io-buffer
932  If the variable @code{gdb-use-inferior-io-buffer} is non-@code{nil},  If the variable @code{gdb-use-inferior-io-buffer} is non-@code{nil},
933  the executable program that is being debugged takes its input and  the executable program that is being debugged takes its input and
934  displays its output here.  Some of the commands from shell mode are  displays its output here.  Some of the commands from shell mode are
# Line 936  Arrays and structures display their type Line 943  Arrays and structures display their type
943  separately to examine their values.  @xref{Watch Expressions}.  separately to examine their values.  @xref{Watch Expressions}.
944    
945  @item Registers Buffer  @item Registers Buffer
946    @findex toggle-gdb-all-registers
947  The registers buffer displays the values held by the registers  The registers buffer displays the values held by the registers
948  (@pxref{Registers,,, gdb, The GNU debugger}).  Press @key{SPC} to  (@pxref{Registers,,, gdb, The GNU debugger}).  Press @key{SPC} to
949  toggle the display of floating point registers.  toggle the display of floating point registers
950    (@code{toggle-gdb-all-registers}).
951    
952  @item Assembler Buffer  @item Assembler Buffer
953  The assembler buffer displays the current frame as machine code.  An  The assembler buffer displays the current frame as machine code.  An
# Line 947  remove breakpoints as with the source bu Line 956  remove breakpoints as with the source bu
956  appear in the fringe or margin.  appear in the fringe or margin.
957    
958  @item Threads Buffer  @item Threads Buffer
959    @findex gdb-threads-select
960  The threads buffer displays a summary of all threads currently in your  The threads buffer displays a summary of all threads currently in your
961  program (@pxref{Threads,,, gdb, The GNU debugger}).  Move point to  program (@pxref{Threads,,, gdb, The GNU debugger}).  Move point to any
962  any thread in the list and press @key{RET} to make it become the  thread in the list and press @key{RET} to select it
963  current thread (@code{gdb-threads-select}) and display the associated  (@code{gdb-threads-select}) and display the associated source in the
964  source in the source buffer.  Alternatively, click @kbd{Mouse-2} to  source buffer.  Alternatively, click @kbd{Mouse-2} on a thread to
965  make the selected thread become the current one.  select it.  If the locals buffer is displayed then its contents update
966    to display the variables that are local to the new thread.
967    
968  @item Memory Buffer  @item Memory Buffer
   
969  The memory buffer allows the user to examine sections of program  The memory buffer allows the user to examine sections of program
970  memory (@pxref{Memory,,, gdb, The GNU debugger}).  Click @kbd{Mouse-1}  memory (@pxref{Memory,,, gdb, The GNU debugger}).  Click @kbd{Mouse-1}
971  on the appropriate part of the header line to change the starting  on the appropriate part of the header line to change the starting

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