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Diffstat (limited to 'gdb/doc/gdb.texinfo')
-rw-r--r-- | gdb/doc/gdb.texinfo | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index af14286..035573e 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -22324,6 +22324,12 @@ These are @value{GDBN} control commands for the auto-loading: @tab Show setting of @value{GDBN} Python scripts. @item @xref{info auto-load python-scripts}. @tab Show state of @value{GDBN} Python scripts. +@item @xref{set auto-load guile-scripts}. +@tab Control for @value{GDBN} Guile scripts. +@item @xref{show auto-load guile-scripts}. +@tab Show setting of @value{GDBN} Guile scripts. +@item @xref{info auto-load guile-scripts}. +@tab Show state of @value{GDBN} Guile scripts. @item @xref{set auto-load scripts-directory}. @tab Control for @value{GDBN} auto-loaded scripts location. @item @xref{show auto-load scripts-directory}. @@ -22950,7 +22956,9 @@ being debugged. @menu * Sequences:: Canned Sequences of @value{GDBN} Commands * Python:: Extending @value{GDBN} using Python +* Guile:: Extending @value{GDBN} using Guile * Auto-loading extensions:: Automatically loading extensions +* Multiple Extension Languages:: Working with multiple extension languages * Aliases:: Creating new spellings of existing commands @end menu @@ -27953,6 +27961,9 @@ substitute_prompt (``frame: \f, @end smallexample @end table +@c Guile docs live in a separate file. +@include guile.texi + @node Auto-loading extensions @section Auto-loading extensions @cindex auto-loading extensions @@ -27998,6 +28009,8 @@ where @var{ext} is the file extension for the extension language: GDB's own command language @item @file{@var{objfile}-gdb.py} Python +@item @file{@var{objfile}-gdb.scm} +Guile @end table @var{script-name} is formed by ensuring that the file name of @var{objfile} @@ -28091,6 +28104,7 @@ for example, this GCC macro for Python scripts. @end example @noindent +For Guile scripts, replace @code{.byte 1} with @code{.byte 3}. Then one can reference the macro in a header or source file like this: @example @@ -28162,6 +28176,26 @@ cumbersome. It may be easier to specify the scripts in the top of the source tree to the source search path. @end itemize +@node Multiple Extension Languages +@section Multiple Extension Languages + +The Guile and Python extension languages do not share any state, +and generally do not interfere with each other. +There are some things to be aware of, however. + +@subsection Python comes first + +Python was @value{GDBN}'s first extension language, and to avoid breaking +existing behaviour Python comes first. This is generally solved by the +``first one wins'' principle. @value{GDBN} maintains a list of enabled +extension languages, and when it makes a call to an extension language, +(say to pretty-print a value), it tries each in turn until an extension +language indicates it has performed the request (e.g., has returned the +pretty-printed form of a value). +This extends to errors while performing such requests: If an error happens +while, for example, trying to pretty-print an object then the error is +reported and any following extension languages are not tried. + @node Aliases @section Creating new spellings of existing commands @cindex aliases for commands |