debugger/display.c

   1 /*
   2  * File display.c - display handling for Wine internal debugger.
   3  *
   4  * Copyright (C) 1997, Eric Youngdale.
   5  *
   6  */
   7
   8 #include <stdlib.h>
   9 #include <stdio.h>
  10 #include <string.h>
  11 #include <limits.h>
  12 #include <sys/types.h>
  13 #include <neexe.h>
  14 #include "module.h"
  15 #include "selectors.h"
  16 #include "debugger.h"
  17 #include "toolhelp.h"
  18 #include "xmalloc.h"
  19
  20 #include <stdarg.h>
  21
  22 #define MAX_DISPLAY 25
  23 static struct expr * displaypoints[MAX_DISPLAY];
  24
  25 int
  26 DEBUG_AddDisplay(struct expr * exp)
  27 {
  28   int i;
  29
  30   /*
  31    * First find a slot where we can store this display.
  32    */
  33   for(i=0; i < MAX_DISPLAY; i++ )
  34     {
  35       if( displaypoints[i] == NULL )
  36         {
  37           displaypoints[i] = DEBUG_CloneExpr(exp);
  38           break;
  39         }
  40     }
  41
  42   return TRUE;
  43 }
  44
  45 int
  46 DEBUG_InfoDisplay()
  47 {
  48   int i;
  49
  50   /*
  51    * First find a slot where we can store this display.
  52    */
  53   for(i=0; i < MAX_DISPLAY; i++ )
  54     {
  55       if( displaypoints[i] != NULL )
  56         {
  57           fprintf(stderr, "%d : ", i+1);
  58           DEBUG_DisplayExpr(displaypoints[i]);
  59           fprintf(stderr, "\n");
  60         }
  61     }
  62
  63   return TRUE;
  64 }
  65
  66 int
  67 DEBUG_DoDisplay()
  68 {
  69   DBG_ADDR      addr;
  70   int i;
  71
  72   /*
  73    * First find a slot where we can store this display.
  74    */
  75   for(i=0; i < MAX_DISPLAY; i++ )
  76     {
  77       if( displaypoints[i] != NULL )
  78         {
  79           addr = DEBUG_EvalExpr(displaypoints[i]);
  80           if( addr.type == NULL )
  81             {
  82               fprintf(stderr, "Unable to evaluate expression ");
  83               DEBUG_DisplayExpr(displaypoints[i]);
  84               fprintf(stderr, "\nDisabling...\n");
  85               DEBUG_DelDisplay(i);
  86             }
  87           else
  88             {
  89               fprintf(stderr, "%d  : ", i + 1);
  90               DEBUG_DisplayExpr(displaypoints[i]);
  91               fprintf(stderr, " = ");
  92               DEBUG_Print( &addr, 1, 0, 0);
  93             }
  94         }
  95     }
  96
  97   return TRUE;
  98 }
  99
 100 int
 101 DEBUG_DelDisplay(int displaynum)
 102 {
 103   int i;
 104
 105   if( displaynum >= MAX_DISPLAY || displaynum == 0 || displaynum < -1 )
 106     {
 107       fprintf(stderr, "Invalid display number\n");
 108       return TRUE;
 109     }
 110   if( displaynum == -1 )
 111     {
 112       for(i=0; i < MAX_DISPLAY; i++ )
 113         {
 114           if( displaypoints[i] != NULL )
 115             {
 116               DEBUG_FreeExpr(displaypoints[i]);
 117               displaypoints[i] = NULL;
 118             }
 119         }
 120     }
 121   else if( displaypoints[displaynum - 1] != NULL )
 122     {
 123       DEBUG_FreeExpr(displaypoints[displaynum - 1]);
 124       displaypoints[displaynum - 1] = NULL;
 125     }
 126   return TRUE;
 127 }