git: 0c988f92dc47 - main - arm: Add static asssert for context size

The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=0c988f92dc47091498e4aad01a8505253c8e9111

commit 0c988f92dc47091498e4aad01a8505253c8e9111
Author:     Warner Losh <imp@FreeBSD.org>
AuthorDate: 2022-02-10 21:26:46 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2022-02-10 21:32:20 +0000

    arm: Add static asssert for context size
    
    Add a static assert for the siginfo_t, mcontext_t and ucontext_t
    sizes. These are de-facto ABI options and cannot change size ever.
    
    Reviewed by:            andrew
    Differential Revision:  https://reviews.freebsd.org/D34210
---
 sys/arm/arm/exec_machdep.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/arm/arm/exec_machdep.c b/sys/arm/arm/exec_machdep.c
index 865fc4d86288..fdd57d7859c5 100644
--- a/sys/arm/arm/exec_machdep.c
+++ b/sys/arm/arm/exec_machdep.c
@@ -69,6 +69,10 @@ __FBSDID("$FreeBSD$");
 #include <vm/pmap.h>
 #include <vm/vm_map.h>
 
+_Static_assert(sizeof(mcontext_t) == 208, "mcontext_t size incorrect");
+_Static_assert(sizeof(ucontext_t) == 260, "ucontext_t size incorrect");
+_Static_assert(sizeof(siginfo_t) == 64, "siginfo_t size incorrect");
+
 /*
  * Clear registers on exec
  */