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/**
* @file swexn_basic_test.c
* @author bblum
* @brief Tests uninstalling handlers
* @public yes
* @for p4
*/
#include <stddef.h>
#include <stdlib.h>
#include <syscall.h>
#include "410_tests.h"
DEF_TEST_NAME("swexn_uninstall_test:");
#define STAQ_SIZE (4096)
char exn_staq[STAQ_SIZE];
#define EXN_STAQ_TOP ((void *)(&exn_staq[STAQ_SIZE-8]))
#define BAD_MEMORY ((void *)0x40000000)
volatile int success = 0;
void handler(void *arg, ureg_t *uregs)
{
REPORT_MISC("Uh-oh, we weren't supposed to be called!");
REPORT_END_FAIL;
exit(-1);
return;
}
int main()
{
int ret;
void (*x)() = (typeof(x))NULL;
REPORT_START_ABORT;
ret = swexn(EXN_STAQ_TOP, handler, NULL, NULL);
if (ret < 0) {
REPORT_MISC("swexn call rejected");
REPORT_END_FAIL;
exit(-1);
}
/* uninstall */
ret = swexn(NULL, NULL, NULL, NULL);
if (ret < 0) {
REPORT_MISC("swexn call rejected (2)");
REPORT_END_FAIL;
exit(-1);
}
/* Invoke handler */
success = *(int *)BAD_MEMORY;
REPORT_MISC("D:");
REPORT_END_FAIL;
exit(-1);
}
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