src/.gdbinit

   1 # Set up something to print out s-expressions.
   2 define pr
   3 set Fprin1 ($, Qexternal_debugging_output)
   4 echo \n
   5 end
   6 document pr
   7 Print the emacs s-expression which is $.
   8 Works only when an inferior emacs is executing.
   9 end
  10
  11 define xtype
  12 print (enum Lisp_Type) (($ >> 24) & 0x7f)
  13 p $$
  14 end
  15 document xtype
  16 Print the type of $, assuming it is an Elisp value.
  17 end
  18
  19 define xint
  20 print (($ & 0x00ffffff) << 8) >> 8
  21 end
  22 document xint
  23 Print $, assuming it is an Elisp integer.  This gets the sign right.
  24 end
  25
  26 define xptr
  27 print (void *) ($ & 0x00ffffff)
  28 end
  29 document xptr
  30 Print the pointer portion of $, assuming it is an Elisp value.
  31 end
  32
  33 define xwindow
  34 print (struct window *) ($ & 0x00ffffff)
  35 end
  36 document xwindow
  37 Print $ as a window pointer, assuming it is an Elisp window value.
  38 end
  39
  40 define xmarker
  41 print (struct Lisp_Marker *) ($ & 0x00ffffff)
  42 end
  43 document xmarker
  44 Print $ as a marker pointer, assuming it is an Elisp marker value.
  45 end
  46
  47 define xbuffer
  48 print (struct buffer *) ($ & 0x00ffffff)
  49 end
  50 document xbuffer
  51 Print $ as a buffer pointer, assuming it is an Elisp buffer value.
  52 end
  53
  54 define xsymbol
  55 print (struct Lisp_Symbol *) ($ & 0x00ffffff)
  56 print &$->name->data
  57 print $$
  58 end
  59 document xsymbol
  60 Print the name and address of the symbol $.
  61 This command assumes that $ is an Elisp symbol value.
  62 end
  63
  64 define xstring
  65 print (struct Lisp_String *) ($ & 0x00ffffff)
  66 print ($->size > 10000) ? "big string" : ($->data[0])@($->size)
  67 print $$
  68 end
  69 document xstring
  70 Print the contents and address of the string $.
  71 This command assumes that $ is an Elisp string value.
  72 end
  73
  74 define xvector
  75 set $temp = (struct Lisp_Vector *) ($ & 0x00ffffff)
  76 print ($temp->size > 10000) ? "big vector" : ($temp->contents[0])@($temp->size)
  77 print $temp
  78 end
  79 document xvector
  80 Print the contents and address of the vector $.
  81 This command assumes that $ is an Elisp vector value.
  82 end
  83
  84 define xscreen
  85 print (struct screen *) ($ & 0x00ffffff)
  86 end
  87 document xwindow
  88 Print $ as a screen pointer, assuming it is an Elisp screen value.
  89 end
  90
  91 define xcons
  92 print (struct Lisp_Cons *) ($ & 0x00ffffff)
  93 print *$
  94 end
  95 document xcons
  96 Print the contents of $, assuming it is an Elisp cons.
  97 end
  98
  99 define xcar
 100 print ((($ >> 24) & 0x7f) == Lisp_Cons ? ((struct Lisp_Cons *) ($ & 0x00ffffff))->car : 0)
 101 end
 102 document xcar
 103 Print the car of $, assuming it is an Elisp pair.
 104 end
 105
 106 define xcdr
 107 print ((($ >> 24) & 0x7f) == Lisp_Cons ? ((struct Lisp_Cons *) ($ & 0x00ffffff))->cdr : 0)
 108 end
 109 document xcdr
 110 Print the cdr of $, assuming it is an Elisp pair.
 111 end
 112
 113 set print pretty on
 114
 115 # Don't let abort actually run, as it will make
 116 # stdio stop working and therefore the `pr' command below as well.
 117 break abort
 118
 119 # If we are running in synchronous mode, we want a chance to look around
 120 # before Emacs exits.  Perhaps we should put the break somewhere else
 121 # instead...
 122 break _XPrintDefaultError
 123
 124 unset environment TERMCAP
 125 unset environment TERM
 126 set environment DISPLAY :0.0
 127 show environment DISPLAY
 128 set args -q