wine/debugger/display.c
1999-07-18 18:40:11 +00:00

148 lines
2.6 KiB
C

/*
* File display.c - display handling for Wine internal debugger.
*
* Copyright (C) 1997, Eric Youngdale.
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <sys/types.h>
#include "neexe.h"
#include "module.h"
#include "selectors.h"
#include "debugger.h"
#include <stdarg.h>
#define MAX_DISPLAY 25
struct display
{
struct expr * exp;
int count;
char format;
};
static struct display displaypoints[MAX_DISPLAY];
int
DEBUG_AddDisplay(struct expr * exp, int count, char format)
{
int i;
/*
* First find a slot where we can store this display.
*/
for(i=0; i < MAX_DISPLAY; i++ )
{
if( displaypoints[i].exp == NULL )
{
displaypoints[i].exp = DEBUG_CloneExpr(exp);
displaypoints[i].count = count;
displaypoints[i].format = format;
break;
}
}
return TRUE;
}
int
DEBUG_InfoDisplay()
{
int i;
/*
* First find a slot where we can store this display.
*/
for(i=0; i < MAX_DISPLAY; i++ )
{
if( displaypoints[i].exp != NULL )
{
fprintf(stderr, "%d : ", i+1);
DEBUG_DisplayExpr(displaypoints[i].exp);
fprintf(stderr, "\n");
}
}
return TRUE;
}
int
DEBUG_DoDisplay()
{
DBG_ADDR addr;
int i;
/*
* First find a slot where we can store this display.
*/
for(i=0; i < MAX_DISPLAY; i++ )
{
if( displaypoints[i].exp != NULL )
{
addr = DEBUG_EvalExpr(displaypoints[i].exp);
if( addr.type == NULL )
{
fprintf(stderr, "Unable to evaluate expression ");
DEBUG_DisplayExpr(displaypoints[i].exp);
fprintf(stderr, "\nDisabling...\n");
DEBUG_DelDisplay(i);
}
else
{
fprintf(stderr, "%d : ", i + 1);
DEBUG_DisplayExpr(displaypoints[i].exp);
fprintf(stderr, " = ");
if( displaypoints[i].format == 'i' )
{
DEBUG_ExamineMemory( &addr,
displaypoints[i].count,
displaypoints[i].format);
}
else
{
DEBUG_Print( &addr,
displaypoints[i].count,
displaypoints[i].format, 0);
}
}
}
}
return TRUE;
}
int
DEBUG_DelDisplay(int displaynum)
{
int i;
if( displaynum >= MAX_DISPLAY || displaynum == 0 || displaynum < -1 )
{
fprintf(stderr, "Invalid display number\n");
return TRUE;
}
if( displaynum == -1 )
{
for(i=0; i < MAX_DISPLAY; i++ )
{
if( displaypoints[i].exp != NULL )
{
DEBUG_FreeExpr(displaypoints[i].exp);
displaypoints[i].exp = NULL;
}
}
}
else if( displaypoints[displaynum - 1].exp != NULL )
{
DEBUG_FreeExpr(displaypoints[displaynum - 1].exp);
displaypoints[displaynum - 1].exp = NULL;
}
return TRUE;
}