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author | Timothy Pearson <tpearson@raptorengineering.com> | 2019-05-11 15:12:49 -0500 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-05-11 15:12:49 -0500 |
commit | 9e80202352dd49bdd9e67b8b906d86f058431505 (patch) | |
tree | 5673c17aad6e3833da8c4ff21b5a11f666ec9fbe /src/tests/tcg/cris/check_mmap2.c | |
download | hqemu-master.zip hqemu-master.tar.gz |
Diffstat (limited to 'src/tests/tcg/cris/check_mmap2.c')
-rw-r--r-- | src/tests/tcg/cris/check_mmap2.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/tests/tcg/cris/check_mmap2.c b/src/tests/tcg/cris/check_mmap2.c new file mode 100644 index 0000000..35139a0 --- /dev/null +++ b/src/tests/tcg/cris/check_mmap2.c @@ -0,0 +1,48 @@ +/* +#notarget: cris*-*-elf +*/ + +#define _GNU_SOURCE +#include <string.h> +#include <stdlib.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <sys/mman.h> + +int main (int argc, char *argv[]) +{ + int fd = open (argv[0], O_RDONLY); + struct stat sb; + int size; + void *a; + const char *str = "a string you'll only find in the program"; + + if (fd == -1) + { + perror ("open"); + abort (); + } + + if (fstat (fd, &sb) < 0) + { + perror ("fstat"); + abort (); + } + + size = sb.st_size; + + /* We want to test mmapping a size that isn't exactly a page. */ + if ((size & 8191) == 0) + size--; + + a = mmap (NULL, size, PROT_READ, MAP_SHARED, fd, 0); + + if (memmem (a, size, str, strlen (str) + 1) == NULL) + abort (); + + printf ("pass\n"); + exit (0); +} |