Viewing file:  split-6.c (1.11 KB) -rw-r--r--
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/* { 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 <stdarg.h>
#include <stdlib.h>
/* 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;
}
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