Bring kernel space CloudABI code in sync with HEAD.

MFC r312353, r312354 and r312355:

  Sync in the latest CloudABI generated source files.

  Languages like C++17 and Go provide direct support for slice types:
  pointer/length pairs. The CloudABI generator now has more complete for
  this, meaning that for the C binding, pointer/length pairs now use an
  automatic naming scheme of ${name} and ${name}_len.

  Apart from this change and some reformatting, the ABI definitions are
  identical. Binary compatibility is preserved entirely.

MFC r315700:

  Make file descriptor passing work for CloudABI's sendmsg().

  Reduce the potential amount of code duplication between cloudabi32 and
  cloudabi64 by creating a cloudabi_sock_recv() utility function. The
  cloudabi32 and cloudabi64 modules will then only contain code to convert
  the iovecs to the native pointer size.

  In cloudabi_sock_recv(), we can now construct an SCM_RIGHTS cmsghdr in
  an mbuf and pass that on to kern_sendit().

MFC r315736:

  Make file descriptor passing for CloudABI's recvmsg() work.

  Similar to the change for sendmsg(), create a pointer size independent
  implementation of recvmsg() and let cloudabi32 and cloudabi64 call into
  it. In case userspace requests one or more file descriptors, call
  kern_recvit() in such a way that we get the control message headers in
  an mbuf. Iterate over all of the headers and copy the file descriptors
  to userspace.

1 files changed, 1 insertions, 1 deletions

diff --git a/sys/i386/cloudabi32/cloudabi32_sysvec.c b/sys/i386/cloudabi32/cloudabi32_sysvec.c
index 118b80e..45b9e5c 100644
--- a/sys/i386/cloudabi32/cloudabi32_sysvec.c
+++ b/sys/i386/cloudabi32/cloudabi32_sysvec.c
@@ -156,7 +156,7 @@ cloudabi32_thread_setregs(struct thread *td,
 
 	/* Perform standard register initialization. */
 	stack.ss_sp = TO_PTR(attr->stack);
-	stack.ss_size = attr->stack_size - sizeof(args);
+	stack.ss_size = attr->stack_len - sizeof(args);
 	cpu_set_upcall(td, TO_PTR(attr->entry_point), NULL, &stack);
 
 	/*