diff options
Diffstat (limited to 'tests/cris/check_mmap3.c')
-rw-r--r-- | tests/cris/check_mmap3.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/cris/check_mmap3.c b/tests/cris/check_mmap3.c new file mode 100644 index 0000000000..34401fa0c9 --- /dev/null +++ b/tests/cris/check_mmap3.c @@ -0,0 +1,33 @@ +/* +#notarget: cris*-*-elf +*/ + +#define _GNU_SOURCE +#include <string.h> +#include <stdlib.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <sys/mman.h> + +int main (int argc, char *argv[]) +{ + volatile unsigned char *a; + + /* Check that we can map a non-multiple of a page and still get a full page. */ + a = mmap (NULL, 0x4c, PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + if (a == NULL || a == (unsigned char *) -1) + abort (); + + a[0] = 0xbe; + a[8191] = 0xef; + memset ((char *) a + 1, 0, 8190); + + if (a[0] != 0xbe || a[8191] != 0xef) + abort (); + + printf ("pass\n"); + exit (0); +} |