Also: call os_panic() on a heap botch crash, attempt to generate a
post-mortem API dump, etc.
Add an "ugly" test case to vec_test.c, to cause a configurable block
overrun.
Change-Id: I7b29a7645277f9e485e06ff83335306fedc24b71
Signed-off-by: Dave Barach <dave@barachs.net>
-perftool_configure_args = --disable-vlib --disable-svm --enable-perftool
+perftool_configure_args = --disable-vlib --disable-svm --enable-perftool \
+ --enable-dlmalloc
#include <vppinfra/clib.h>
#include <vppinfra/cache.h>
#include <vppinfra/clib.h>
#include <vppinfra/cache.h>
+/* --- begin vpp customizations --- */
+
+#if CLIB_DEBUG > 0
+#define FOOTERS 1 /* extra debugging */
+#endif
+#define USE_LOCKS 1
+#define DLM_ABORT {extern void os_panic(void); os_panic(); abort();}
+#define ONLY_MSPACES 1
+
+/* --- end vpp customizations --- */
+
/* Version identifier to allow people to support multiple versions */
#ifndef DLMALLOC_VERSION
#define DLMALLOC_VERSION 20806
/* Version identifier to allow people to support multiple versions */
#ifndef DLMALLOC_VERSION
#define DLMALLOC_VERSION 20806
/* The maximum possible size_t value has all bits set */
#define MAX_SIZE_T (~(size_t)0)
/* The maximum possible size_t value has all bits set */
#define MAX_SIZE_T (~(size_t)0)
#ifndef USE_LOCKS /* ensure true if spin or recursive locks set */
#define USE_LOCKS ((defined(USE_SPIN_LOCKS) && USE_SPIN_LOCKS != 0) || \
(defined(USE_RECURSIVE_LOCKS) && USE_RECURSIVE_LOCKS != 0))
#ifndef USE_LOCKS /* ensure true if spin or recursive locks set */
#define USE_LOCKS ((defined(USE_SPIN_LOCKS) && USE_SPIN_LOCKS != 0) || \
(defined(USE_RECURSIVE_LOCKS) && USE_RECURSIVE_LOCKS != 0))
uword help = 0;
uword big = 0;
uword align = 0;
uword help = 0;
uword big = 0;
uword align = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
&& 0 == unformat (input, "dump %d", &g_dump_period)
&& 0 == unformat (input, "help %=", &help, 1)
&& 0 == unformat (input, "big %=", &big, 1)
&& 0 == unformat (input, "dump %d", &g_dump_period)
&& 0 == unformat (input, "help %=", &help, 1)
&& 0 == unformat (input, "big %=", &big, 1)
+ && 0 == unformat (input, "ugly %d", &ugly)
&& 0 == unformat (input, "align %=", &align, 1))
{
clib_error ("unknown input `%U'", format_unformat_error, input);
&& 0 == unformat (input, "align %=", &align, 1))
{
clib_error ("unknown input `%U'", format_unformat_error, input);
+ /* Cause a deliberate heap botch */
+ if (ugly)
+ {
+ u8 *overrun_me = 0;
+ int i;
+
+ vec_validate (overrun_me, 31);
+ for (i = 0; i < vec_len (overrun_me) + ugly; i++)
+ overrun_me[i] = i;
+
+ vec_free (overrun_me);
+ }
+
if (big)
{
u8 *bigboy = 0;
if (big)
{
u8 *bigboy = 0;