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/* { dg-do run { target arm*-*-* } } */
/* Test Armv7m interrupt routines. */
#include <stdlib.h>
#ifdef __ARM_ARCH_7M__
void __attribute__((interrupt))
foo(void)
{
long long n;
long p;
asm volatile ("" : "=r" (p) : "0" (&n));
if (p & 4)
abort ();
return;
}
void __attribute__((interrupt))
bar(void)
{
throw 42;
}
int main()
{
int a;
int before;
int after;
volatile register int sp asm("sp");
asm volatile ("mov %0, sp\n"
"blx %2\n"
"mov %1, sp\n"
: "=&r" (before), "=r" (after) : "r" (foo)
: "memory", "cc", "r0", "r1", "r2", "r3", "ip", "lr");
if (before != after)
abort();
asm volatile ("mov %0, sp\n"
"sub sp, sp, #4\n"
"blx %2\n"
"add sp, sp, #4\n"
"mov %1, sp\n"
: "=&r" (before), "=r" (after) : "r" (foo)
: "memory", "cc", "r0", "r1", "r2", "r3", "ip", "lr");
if (before != after)
abort();
before = sp;
try
{
bar();
}
catch (int i)
{
if (i != 42)
abort();
}
catch (...)
{
abort();
}
if (before != sp)
abort();
exit(0);
}
#else
int main()
{
exit (0);
}
#endif
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