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

This commit is contained in:

Warner Losh

2022-02-10 14:26:46 -07:00

parent 3988ca5aab

commit 0c988f92dc

1 changed files with 4 additions and 0 deletions

									
										sys/arm/arm/exec_machdep.c
									
		+4
		
												View File
												
					@@ -69,6 +69,10 @@ __FBSDID("$FreeBSD$");

					#include <vm/pmap.h>

					#include <vm/pmap.h>

					#include <vm/vm_map.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

					 * Clear registers on exec

					 */

					 */