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/** setjmp/longjmp tests (focusing on getting the jump right).
*/
#include <testfwk.h>
#if !defined(__SDCC_pic14) // Unimplemented setjmp
#include <setjmp.h>
unsigned int global_int = 0;
unsigned int *gpInt;
#if defined(__SDCC_mcs51)
#include <8052.h>
void
T2_isr (void) __interrupt (5) //no using
{
//do not clear flag TF2 so it keeps interrupting !
(*gpInt)++;
}
#endif
void
try_fun (jmp_buf catch, int except)
{
longjmp (catch, except);
}
jmp_buf buf;
void g(void)
{
longjmp(buf, 0); // When called with an argument of 0, longjmp() makes setjmp() return 1 instead.
g();
}
void f1(void)
{
static int i;
int j;
i= 0;
j= setjmp(buf);
ASSERT(i == j);
i++;
if(!j)
g();
}
#endif
// Get FreeBSD version to skip part of test for known broken setjmp (FreeBSD bug #255320, affecting at least FreeBSD 13.0 and FreeBSD 13.1).
#ifdef __FreeBSD__
#include <sys/param.h>
#endif
void
testJmp (void)
{
#if !defined(__SDCC_pic14) // Unimplemented setjmp
jmp_buf catch;
int exception;
#if defined(__SDCC_mcs51)
gpInt = &global_int;
//enable the interrupt and set it's flag to generate some heavy stack usage
ET2 = 1;
EA = 1;
TF2 = 1;
#endif
exception = setjmp (catch);
if (exception == 0)
{
try_fun (catch, 1);
//should not get here!
ASSERT (0);
}
ASSERT (exception == 1);
#if !defined(__FreeBSD__) || __FreeBSD_version >= 1302000 // Known FreeBSD 13.0 and 13.1 bug #255320.
f1();
#endif
#endif
// C99 might require setjmp to be a macro. The standard seems self-contradicting on this issue.
//#ifndef setjmp
// ASSERT(0);
//#endif
}
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