/* { dg-do run } */ /* { dg-require-effective-target split_stack } */ /* { dg-options "-fsplit-stack" } */ /* This test is like split-3.c, but tests with a smaller stack frame, since that uses a different prologue. */ #include #include /* Use a noinline function to ensure that the buffer is not removed from the stack. */ static void use_buffer (char *buf) __attribute__ ((noinline)); static void use_buffer (char *buf) { buf[0] = '\0'; } /* When using gold, the call to abort will force a stack split. */ static void down (int i, ...) { char buf[1]; va_list ap; va_start (ap, i); if (va_arg (ap, int) != 1 || va_arg (ap, int) != 2 || va_arg (ap, int) != 3 || va_arg (ap, int) != 4 || va_arg (ap, int) != 5 || va_arg (ap, int) != 6 || va_arg (ap, int) != 7 || va_arg (ap, int) != 8 || va_arg (ap, int) != 9 || va_arg (ap, int) != 10) abort (); if (i > 0) { use_buffer (buf); down (i - 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10); } } int main (void) { down (1000, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10); return 0; }