X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/de2436ef7b89c052dc78532eccaef1840f7dee0a..490468dcffd66ab9ea64bc1204ac9692dc530e8c:/src/.gdbinit

diff --git a/src/.gdbinit b/src/.gdbinit
index e9bb716a09..ef7100f892 100644
--- a/src/.gdbinit
+++ b/src/.gdbinit
@@ -1,11 +1,41 @@
-# Set up a mask to use.
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001
+#   Free Software Foundation, Inc.
+#
+# This file is part of GNU Emacs.
+#
+# GNU Emacs is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# GNU Emacs is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Emacs; see the file COPYING.  If not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
 
 # Force loading of symbols, enough to give us gdb_valbits etc.
 set main
 
 # Find lwlib source files too.
 dir ../lwlib
+#dir /gd/gnu/lesstif-0.89.9/lib/Xm
+
+# Don't enter GDB when user types C-g to quit.
+# This has one unfortunate effect: you can't type C-c
+# at the GDB to stop Emacs, when using X.
+# However, C-z works just as well in that case.
+handle 2 noprint pass
 
+# Don't pass SIGALRM to Emacs.  This makes problems when
+# debugging.
+handle SIGALRM ignore
+
+# Set up a mask to use.
 # This should be EMACS_INT, but in some cases that is a macro.
 # long ought to work in all cases right now.
 set $valmask = ((long)1 << gdb_valbits) - 1
@@ -64,15 +94,6 @@ document xptr
 Print the pointer portion of $, assuming it is an Emacs Lisp value.
 end
 
-define xwindow
-print (struct window *) (($ & $valmask) | gdb_data_seg_bits)
-printf "%dx%d+%d+%d\n", $->width, $->height, $->left, $->top
-end
-document xwindow
-Print $ as a window pointer, assuming it is an Emacs Lisp window value.
-Print the window's position as "WIDTHxHEIGHT+LEFT+TOP".
-end
-
 define xmarker
 print (struct Lisp_Marker *) (($ & $valmask) | gdb_data_seg_bits)
 end
@@ -136,19 +157,9 @@ document xbuflocal
 Print $ as a buffer-local-value pointer, assuming it is an Emacs Lisp Misc value.
 end
 
-define xbuffer
-print (struct buffer *) (($ & $valmask) | gdb_data_seg_bits)
-output &((struct Lisp_String *) ((($->name) & $valmask) | gdb_data_seg_bits))->data
-echo \n
-end
-document xbuffer
-Set $ as a buffer pointer, assuming it is an Emacs Lisp buffer value.
-Print the name of the buffer.
-end
-
 define xsymbol
 print (struct Lisp_Symbol *) ((((int) $) & $valmask) | gdb_data_seg_bits)
-output (char*)&$->name->data
+output (char*)$->name->data
 echo \n
 end
 document xsymbol
@@ -158,7 +169,7 @@ end
 
 define xstring
 print (struct Lisp_String *) (($ & $valmask) | gdb_data_seg_bits)
-output ($->size > 1000) ? 0 : ($->data[0])@($->size)
+output ($->size > 1000) ? 0 : ($->data[0])@($->size_byte < 0 ? $->size : $->size_byte)
 echo \n
 end
 document xstring
@@ -176,6 +187,15 @@ Print the contents and address of the vector $.
 This command assumes that $ is an Emacs Lisp vector value.
 end
 
+define xprocess
+print (struct Lisp_Process *) (($ & $valmask) | gdb_data_seg_bits)
+output *$
+echo \n
+end
+document xprocess
+Print the address of the struct Lisp_process which the Lisp_Object $ points to.
+end
+
 define xframe
 print (struct frame *) (($ & $valmask) | gdb_data_seg_bits)
 end
@@ -183,6 +203,23 @@ document xframe
 Print $ as a frame pointer, assuming it is an Emacs Lisp frame value.
 end
 
+define xcompiled
+print (struct Lisp_Vector *) (($ & $valmask) | gdb_data_seg_bits)
+output ($->contents[0])@($->size & 0xff)
+end
+document xcompiled
+Print $ as a compiled function pointer, assuming it is an Emacs Lisp compiled value.
+end
+
+define xwindow
+print (struct window *) (($ & $valmask) | gdb_data_seg_bits)
+printf "%dx%d+%d+%d\n", $->width, $->height, $->left, $->top
+end
+document xwindow
+Print $ as a window pointer, assuming it is an Emacs Lisp window value.
+Print the window's position as "WIDTHxHEIGHT+LEFT+TOP".
+end
+
 define xwinconfig
 print (struct save_window_data *) (($ & $valmask) | gdb_data_seg_bits)
 end
@@ -190,12 +227,52 @@ document xwinconfig
 Print $ as a window configuration pointer, assuming it is an Emacs Lisp window configuration value.
 end
 
-define xcompiled
-print (struct Lisp_Vector *) (($ & $valmask) | gdb_data_seg_bits)
-output ($->contents[0])@($->size & 0xff)
+define xsubr
+print (struct Lisp_Subr *) (($ & $valmask) | gdb_data_seg_bits)
+output *$
+echo \n
 end
-document xcompiled
-Print $ as a compiled function pointer, assuming it is an Emacs Lisp compiled value.
+document xsubr
+Print the address of the subr which the Lisp_Object $ points to.
+end
+
+define xchartable
+print (struct Lisp_Char_Table *) (($ & $valmask) | gdb_data_seg_bits)
+printf "Purpose: "
+output (char*)&((struct Lisp_Symbol *) ((((int) $->purpose) & $valmask) | gdb_data_seg_bits))->name->data
+printf "  %d extra slots", ($->size & 0x1ff) - 388
+echo \n
+end
+document xchartable
+Print the address of the char-table $, and its purpose.
+This command assumes that $ is an Emacs Lisp char-table value.
+end
+
+define xboolvector
+print (struct Lisp_Bool_Vector *) (($ & $valmask) | gdb_data_seg_bits)
+output ($->size > 256) ? 0 : ($->data[0])@(($->size + 7)/ 8)
+echo \n
+end
+document xboolvector
+Print the contents and address of the bool-vector $.
+This command assumes that $ is an Emacs Lisp bool-vector value.
+end
+
+define xbuffer
+print (struct buffer *) (($ & $valmask) | gdb_data_seg_bits)
+output &((struct Lisp_String *) ((($->name) & $valmask) | gdb_data_seg_bits))->data
+echo \n
+end
+document xbuffer
+Set $ as a buffer pointer, assuming it is an Emacs Lisp buffer value.
+Print the name of the buffer.
+end
+
+define xhashtable
+print (struct Lisp_Hash_Table *) (($ & $valmask) | gdb_data_seg_bits)
+end
+document xhashtable
+Set $ as a hash table pointer, assuming it is an Emacs Lisp hash table value.
 end
 
 define xcons
@@ -230,24 +307,6 @@ document xcdr
 Print the cdr of $, assuming it is an Emacs Lisp pair.
 end
 
-define xsubr
-print (struct Lisp_Subr *) (($ & $valmask) | gdb_data_seg_bits)
-output *$
-echo \n
-end
-document xsubr
-Print the address of the subr which the Lisp_Object $ points to.
-end
-
-define xprocess
-print (struct Lisp_Process *) (($ & $valmask) | gdb_data_seg_bits)
-output *$
-echo \n
-end
-document xprocess
-Print the address of the struct Lisp_process which the Lisp_Object $ points to.
-end
-
 define xfloat
 print ((struct Lisp_Float *) (($ & $valmask) | gdb_data_seg_bits))->data
 end
@@ -264,6 +323,56 @@ document xscrollbar
 Print $ as a scrollbar pointer.
 end
 
+define xprintsym
+  set $sym = (struct Lisp_Symbol *) ((((int) $arg0) & $valmask) | gdb_data_seg_bits)
+  output (char*)$sym->name->data
+  echo \n
+end
+document xprintsym
+  Print argument as a symbol.
+end
+
+define xbacktrace
+  set $bt = backtrace_list
+  while $bt 
+    set $type = (enum Lisp_Type) ((*$bt->function >> gdb_valbits) & 0x7)
+    if $type == Lisp_Symbol
+      xprintsym *$bt->function
+    else
+      printf "0x%x ", *$bt->function
+      if $type == Lisp_Vectorlike
+        set $size = ((struct Lisp_Vector *) ((*$bt->function & $valmask) | gdb_data_seg_bits))->size
+        output (enum pvec_type) (($size & PVEC_FLAG) ? $size & PVEC_TYPE_MASK : 0)
+      else
+        printf "Lisp type %d", $type
+      end
+      echo \n
+    end
+    set $bt = $bt->next
+  end
+end
+document xbacktrace
+  Print a backtrace of Lisp function calls from backtrace_list.
+  Set a breakpoint at Fsignal and call this to see from where 
+  an error was signaled.
+end
+
+define xreload
+  set $valmask = ((long)1 << gdb_valbits) - 1
+  set $nonvalbits = gdb_emacs_intbits - gdb_valbits
+end
+document xreload
+  When starting Emacs a second time in the same gdb session under
+  FreeBSD 2.2.5, gdb 4.13, $valmask and $nonvalbits have lost
+  their values.  (The same happens on current (2000) versions of GNU/Linux
+  with gdb 5.0.)
+  This function reloads them.
+end
+
+define hook-run
+  xreload
+end
+
 set print pretty on
 set print sevenbit-strings