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
  18 #include <stdarg.h>
  19
  20 #define MAX_DISPLAY 25
  21
  22 struct display
  23 {
  24   struct expr * exp;
  25   int           count;
  26   char          format;
  27 };
  28
  29 static struct display displaypoints[MAX_DISPLAY];
  30
  31 int
  32 DEBUG_AddDisplay(struct expr * exp, int count, char format)
  33 {
  34   int i;
  35
  36   /*
  37    * First find a slot where we can store this display.
  38    */
  39   for(i=0; i < MAX_DISPLAY; i++ )
  40     {
  41       if( displaypoints[i].exp == NULL )
  42         {
  43           displaypoints[i].exp = DEBUG_CloneExpr(exp);
  44           displaypoints[i].count  = count;
  45           displaypoints[i].format = format;
  46           break;
  47         }
  48     }
  49
  50   return TRUE;
  51 }
  52
  53 int
  54 DEBUG_InfoDisplay()
  55 {
  56   int i;
  57
  58   /*
  59    * First find a slot where we can store this display.
  60    */
  61   for(i=0; i < MAX_DISPLAY; i++ )
  62     {
  63       if( displaypoints[i].exp != NULL )
  64         {
  65           fprintf(stderr, "%d : ", i+1);
  66           DEBUG_DisplayExpr(displaypoints[i].exp);
  67           fprintf(stderr, "\n");
  68         }
  69     }
  70
  71   return TRUE;
  72 }
  73
  74 int
  75 DEBUG_DoDisplay()
  76 {
  77   DBG_ADDR      addr;
  78   int i;
  79
  80   /*
  81    * First find a slot where we can store this display.
  82    */
  83   for(i=0; i < MAX_DISPLAY; i++ )
  84     {
  85       if( displaypoints[i].exp != NULL )
  86         {
  87           addr = DEBUG_EvalExpr(displaypoints[i].exp);
  88           if( addr.type == NULL )
  89             {
  90               fprintf(stderr, "Unable to evaluate expression ");
  91               DEBUG_DisplayExpr(displaypoints[i].exp);
  92               fprintf(stderr, "\nDisabling...\n");
  93               DEBUG_DelDisplay(i);
  94             }
  95           else
  96             {
  97               fprintf(stderr, "%d  : ", i + 1);
  98               DEBUG_DisplayExpr(displaypoints[i].exp);
  99               fprintf(stderr, " = ");
 100               if( displaypoints[i].format == 'i' )
 101                 {
 102                   DEBUG_ExamineMemory( &addr,
 103                                displaypoints[i].count,
 104                                displaypoints[i].format);
 105                 }
 106               else
 107                 {
 108                   DEBUG_Print( &addr,
 109                                displaypoints[i].count,
 110                                displaypoints[i].format, 0);
 111                 }
 112             }
 113         }
 114     }
 115
 116   return TRUE;
 117 }
 118
 119 int
 120 DEBUG_DelDisplay(int displaynum)
 121 {
 122   int i;
 123
 124   if( displaynum >= MAX_DISPLAY || displaynum == 0 || displaynum < -1 )
 125     {
 126       fprintf(stderr, "Invalid display number\n");
 127       return TRUE;
 128     }
 129   if( displaynum == -1 )
 130     {
 131       for(i=0; i < MAX_DISPLAY; i++ )
 132         {
 133           if( displaypoints[i].exp != NULL )
 134             {
 135               DEBUG_FreeExpr(displaypoints[i].exp);
 136               displaypoints[i].exp = NULL;
 137             }
 138         }
 139     }
 140   else if( displaypoints[displaynum - 1].exp != NULL )
 141     {
 142       DEBUG_FreeExpr(displaypoints[displaynum - 1].exp);
 143       displaypoints[displaynum - 1].exp = NULL;
 144     }
 145   return TRUE;
 146 }