1 files changed, 85 insertions, 0 deletions
diff --git a/testsuite/systemtap.syscall/readwrite.c b/testsuite/systemtap.syscall/readwrite.c
new file mode 100644
index 00000000..88f3a38a
--- /dev/null
+++ b/testsuite/systemtap.syscall/readwrite.c
@@ -0,0 +1,85 @@
+/* COVERAGE: read write readv writev lseek llseek */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <linux/unistd.h>
+#include <sys/uio.h>
+
+#define STRING1 "red"
+#define STRING2 "green"
+#define STRING3 "blue"
+int main()
+{
+  int fd;
+  struct iovec v[3], x[3];
+  loff_t res;
+  char buf[64], buf1[32], buf2[32], buf3[32];
+
+  v[0].iov_base = STRING1;
+  v[0].iov_len = sizeof(STRING1);
+  v[1].iov_base = STRING2;
+  v[1].iov_len = sizeof(STRING2);
+  v[2].iov_base = STRING3;
+  v[2].iov_len = sizeof(STRING3);
+
+  fd = open("foobar1",O_WRONLY|O_CREAT, 0666);
+  // open ("foobar1", O_WRONLY|O_CREAT, 0666) = 4
+
+  write(fd,"Hello world", 11);
+  // write (4, "Hello world", 11) = 11
+
+  write(fd,"Hello world abcdefghijklmnopqrstuvwxyz 01234567890", 50);
+  // write (4, "Hello world abc"..., 50) = 50
+
+  writev(fd, v, 3);
+  // writev (4, XXXX, 3) = 15
+
+  lseek(fd, 0, SEEK_SET);
+  // lseek (4, 0, SEEK_SET) = 0
+
+  lseek(fd, 1, SEEK_CUR);
+  // lseek (4, 1, SEEK_CUR) = 1
+
+  lseek(fd, -1, SEEK_END);
+  // lseek (4, -1, SEEK_END) = 75
+
+#ifdef SYS__llseek
+  syscall(SYS__llseek, fd, 1, 0, &res, SEEK_SET);
+  // llseek (4, 0x1, 0x0, XXXX, SEEK_SET) = 0
+
+  syscall(SYS__llseek, fd, 0, 0, &res, SEEK_SET);
+  // llseek (4, 0x0, 0x0, XXXX, SEEK_SET) = 0
+
+  syscall(SYS__llseek, fd, 0, 12, &res, SEEK_CUR);
+  // llseek (4, 0x0, 0xc, XXXX, SEEK_CUR) = 0
+
+  syscall(SYS__llseek, fd, 8, 1, &res, SEEK_END);
+  // llseek (4, 0x8, 0x1, XXXX, SEEK_END) = 0
+#endif
+
+  close (fd);
+
+  fd = open("foobar1",O_RDONLY);
+  // open ("foobar1", O_RDONLY) = 4
+
+  read(fd, buf, 11);
+  // read (4, XXXX, 11) = 11
+
+  read(fd, buf, 50);
+  // read (4, XXXX, 50) = 50
+
+  x[0].iov_base = buf1;
+  x[0].iov_len = sizeof(STRING1);
+  x[1].iov_base = buf2;
+  x[1].iov_len = sizeof(STRING2);
+  x[2].iov_base = buf3;
+  x[2].iov_len = sizeof(STRING3);
+  readv(fd, x, 3);
+  // readv (4, XXXX, 3) = 15
+
+  close (fd);
+
+  return 0;
+}