mirror of
git://source.winehq.org/git/wine.git
synced 2024-08-31 10:14:06 +00:00
260 lines
7.7 KiB
C
260 lines
7.7 KiB
C
/*
|
|
* File display.c - display handling for Wine internal debugger.
|
|
*
|
|
* Copyright (C) 1997, Eric Youngdale.
|
|
* Copyright (C) 2003, Michal Miroslaw
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "debugger.h"
|
|
|
|
/* needs to be power of 2, search for MARK to see why :) */
|
|
#define DISPTAB_DELTA 8
|
|
|
|
struct display
|
|
{
|
|
struct expr* exp;
|
|
int count;
|
|
char format;
|
|
char enabled;
|
|
char func_buffer[sizeof(SYMBOL_INFO) + 256];
|
|
SYMBOL_INFO* func;
|
|
};
|
|
|
|
static struct display *displaypoints = NULL;
|
|
static unsigned int maxdisplays = 0, ndisplays = 0;
|
|
|
|
static inline BOOL cmp_symbol(const SYMBOL_INFO* si1, const SYMBOL_INFO* si2)
|
|
{
|
|
/* FIXME: !memcmp(si1, si2, sizeof(SYMBOL_INFO) + si1->NameLen)
|
|
* is wrong because sizeof(SYMBOL_INFO) can be aligned on 4-byte boundary
|
|
* Note: we also need to zero out the structures before calling
|
|
* stack_get_frame, so that un-touched fields by stack_get_frame
|
|
* get the same value!!
|
|
*/
|
|
return !memcmp(si1, si2, FIELD_OFFSET(SYMBOL_INFO, Name)) &&
|
|
!memcmp(si1->Name, si2->Name, si1->NameLen);
|
|
}
|
|
|
|
BOOL display_add(struct expr *exp, int count, char format)
|
|
{
|
|
unsigned i;
|
|
BOOL local_binding = FALSE;
|
|
|
|
for (i = 0; i < ndisplays; i++)
|
|
if (displaypoints[i].exp == NULL)
|
|
break;
|
|
|
|
if (i == maxdisplays)
|
|
{
|
|
/* no space left - expand */
|
|
maxdisplays += DISPTAB_DELTA;
|
|
displaypoints = dbg_heap_realloc(displaypoints,
|
|
maxdisplays * sizeof(*displaypoints));
|
|
}
|
|
|
|
if (i == ndisplays) ndisplays++;
|
|
|
|
displaypoints[i].exp = expr_clone(exp, &local_binding);
|
|
displaypoints[i].count = count;
|
|
displaypoints[i].format = format;
|
|
displaypoints[i].enabled = TRUE;
|
|
if (local_binding)
|
|
{
|
|
displaypoints[i].func = (SYMBOL_INFO*)displaypoints[i].func_buffer;
|
|
memset(displaypoints[i].func, 0, sizeof(SYMBOL_INFO));
|
|
displaypoints[i].func->SizeOfStruct = sizeof(SYMBOL_INFO);
|
|
displaypoints[i].func->MaxNameLen = sizeof(displaypoints[i].func_buffer) -
|
|
sizeof(*displaypoints[i].func);
|
|
if (!stack_get_current_symbol(displaypoints[i].func))
|
|
{
|
|
expr_free(displaypoints[i].exp);
|
|
displaypoints[i].exp = NULL;
|
|
return FALSE;
|
|
}
|
|
}
|
|
else displaypoints[i].func = NULL;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL display_info(void)
|
|
{
|
|
unsigned i;
|
|
char buffer[sizeof(SYMBOL_INFO) + 256];
|
|
SYMBOL_INFO* func;
|
|
const char* info;
|
|
|
|
func = (SYMBOL_INFO*)buffer;
|
|
memset(func, 0, sizeof(SYMBOL_INFO));
|
|
func->SizeOfStruct = sizeof(SYMBOL_INFO);
|
|
func->MaxNameLen = sizeof(buffer) - sizeof(*func);
|
|
if (!stack_get_current_symbol(func)) return FALSE;
|
|
|
|
for (i = 0; i < ndisplays; i++)
|
|
{
|
|
if (displaypoints[i].exp == NULL) continue;
|
|
|
|
dbg_printf("%d: ", i + 1);
|
|
expr_print(displaypoints[i].exp);
|
|
|
|
if (displaypoints[i].enabled)
|
|
{
|
|
if (displaypoints[i].func && !cmp_symbol(displaypoints[i].func, func))
|
|
info = " (out of scope)";
|
|
else
|
|
info = "";
|
|
}
|
|
else
|
|
info = " (disabled)";
|
|
if (displaypoints[i].func)
|
|
dbg_printf(" in %s", displaypoints[i].func->Name);
|
|
dbg_printf("%s\n", info);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void print_one_display(int i)
|
|
{
|
|
struct dbg_lvalue lvalue;
|
|
|
|
if (displaypoints[i].enabled)
|
|
{
|
|
lvalue = expr_eval(displaypoints[i].exp);
|
|
if (lvalue.type.id == dbg_itype_none)
|
|
{
|
|
dbg_printf("Unable to evaluate expression ");
|
|
expr_print(displaypoints[i].exp);
|
|
dbg_printf("\nDisabling display %d ...\n", i + 1);
|
|
displaypoints[i].enabled = FALSE;
|
|
return;
|
|
}
|
|
}
|
|
|
|
dbg_printf("%d: ", i + 1);
|
|
expr_print(displaypoints[i].exp);
|
|
dbg_printf(" = ");
|
|
if (!displaypoints[i].enabled)
|
|
dbg_printf("(disabled)\n");
|
|
else
|
|
if (displaypoints[i].format == 'i')
|
|
memory_examine(&lvalue, displaypoints[i].count, displaypoints[i].format);
|
|
else
|
|
print_value(&lvalue, displaypoints[i].format, 0);
|
|
}
|
|
|
|
BOOL display_print(void)
|
|
{
|
|
unsigned i;
|
|
char buffer[sizeof(SYMBOL_INFO) + 256];
|
|
SYMBOL_INFO* func;
|
|
|
|
func = (SYMBOL_INFO*)buffer;
|
|
memset(func, 0, sizeof(SYMBOL_INFO));
|
|
func->SizeOfStruct = sizeof(SYMBOL_INFO);
|
|
func->MaxNameLen = sizeof(buffer) - sizeof(*func);
|
|
if (!stack_get_current_symbol(func)) return FALSE;
|
|
|
|
for (i = 0; i < ndisplays; i++)
|
|
{
|
|
if (displaypoints[i].exp == NULL || !displaypoints[i].enabled)
|
|
continue;
|
|
if (displaypoints[i].func && !cmp_symbol(displaypoints[i].func, func))
|
|
continue;
|
|
print_one_display(i);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL display_delete(int displaynum)
|
|
{
|
|
if (displaynum > ndisplays || displaynum == 0 || displaynum < -1 ||
|
|
displaypoints[displaynum - 1].exp == NULL)
|
|
{
|
|
dbg_printf("Invalid display number\n");
|
|
return TRUE;
|
|
}
|
|
|
|
if (displaynum == -1)
|
|
{
|
|
unsigned i;
|
|
|
|
for (i = 0; i < ndisplays; i++)
|
|
{
|
|
if (displaypoints[i].exp != NULL)
|
|
{
|
|
expr_free(displaypoints[i].exp);
|
|
displaypoints[i].exp = NULL;
|
|
}
|
|
}
|
|
maxdisplays = DISPTAB_DELTA;
|
|
displaypoints = dbg_heap_realloc(displaypoints,
|
|
(maxdisplays = DISPTAB_DELTA) * sizeof(*displaypoints));
|
|
ndisplays = 0;
|
|
}
|
|
else if (displaypoints[--displaynum].exp != NULL)
|
|
{
|
|
expr_free(displaypoints[displaynum].exp);
|
|
displaypoints[displaynum].exp = NULL;
|
|
while (displaynum == ndisplays - 1 && displaypoints[displaynum].exp == NULL)
|
|
{
|
|
--ndisplays;
|
|
--displaynum;
|
|
}
|
|
if (maxdisplays - ndisplays >= 2 * DISPTAB_DELTA)
|
|
{
|
|
/* MARK */
|
|
maxdisplays = (ndisplays + DISPTAB_DELTA - 1) & ~(DISPTAB_DELTA - 1);
|
|
displaypoints = dbg_heap_realloc(displaypoints,
|
|
maxdisplays * sizeof(*displaypoints));
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL display_enable(int displaynum, int enable)
|
|
{
|
|
char buffer[sizeof(SYMBOL_INFO) + 256];
|
|
SYMBOL_INFO* func;
|
|
|
|
func = (SYMBOL_INFO*)buffer;
|
|
memset(func, 0, sizeof(SYMBOL_INFO));
|
|
func->SizeOfStruct = sizeof(SYMBOL_INFO);
|
|
func->MaxNameLen = sizeof(buffer) - sizeof(*func);
|
|
if (!stack_get_current_symbol(func)) return FALSE;
|
|
|
|
--displaynum;
|
|
if (displaynum >= ndisplays || displaynum < 0 ||
|
|
displaypoints[displaynum].exp == NULL)
|
|
{
|
|
dbg_printf("Invalid display number\n");
|
|
return TRUE;
|
|
}
|
|
|
|
displaypoints[displaynum].enabled = enable;
|
|
if (!displaypoints[displaynum].func ||
|
|
cmp_symbol(displaypoints[displaynum].func, func))
|
|
{
|
|
print_one_display(displaynum);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|