id_t is a 64-bit integer and thus is passed as two arguments like off_t is.

As a result, those arguments must be recombined before calling the real
syscal implementation.  This change fixes 32-bit compatibility for
cpuset_getid(), cpuset_setid(), cpuset_getaffinity(), and
cpuset_setaffinity().

2 files changed, 70 insertions, 7 deletions

diff --git a/sys/compat/freebsd32/freebsd32_misc.c b/sys/compat/freebsd32/freebsd32_misc.c
index 59bfb05..38af651 100644
--- a/sys/compat/freebsd32/freebsd32_misc.c
+++ b/sys/compat/freebsd32/freebsd32_misc.c
@@ -2495,6 +2495,63 @@ freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap)
 	return (error);
 }
 
+int
+freebsd32_cpuset_setid(struct thread *td,
+    struct freebsd32_cpuset_setid_args *uap)
+{
+	struct cpuset_setid_args ap;
+
+	ap.which = uap->which;
+	ap.id = (uap->idlo | ((id_t)uap->idhi << 32));
+	ap.setid = uap->setid;
+
+	return cpuset_setid(td, &ap);
+}
+
+int
+freebsd32_cpuset_getid(struct thread *td,
+    struct freebsd32_cpuset_getid_args *uap)
+{
+	struct cpuset_getid_args ap;
+
+	ap.level = uap->level;
+	ap.which = uap->which;
+	ap.id = (uap->idlo | ((id_t)uap->idhi << 32));
+	ap.setid = uap->setid;
+
+	return cpuset_getid(td, &ap);
+}
+
+int
+freebsd32_cpuset_getaffinity(struct thread *td,
+    struct freebsd32_cpuset_getaffinity_args *uap)
+{
+	struct cpuset_getaffinity_args ap;
+
+	ap.level = uap->level;
+	ap.which = uap->which;
+	ap.id = (uap->idlo | ((id_t)uap->idhi << 32));
+	ap.cpusetsize = uap->cpusetsize;
+	ap.mask = uap->mask;
+
+	return cpuset_getaffinity(td, &ap);
+}
+
+int
+freebsd32_cpuset_setaffinity(struct thread *td,
+    struct freebsd32_cpuset_setaffinity_args *uap)
+{
+	struct cpuset_setaffinity_args ap;
+
+	ap.level = uap->level;
+	ap.which = uap->which;
+	ap.id = (uap->idlo | ((id_t)uap->idhi << 32));
+	ap.cpusetsize = uap->cpusetsize;
+	ap.mask = uap->mask;
+
+	return cpuset_setaffinity(td, &ap);
+}
+
 #if 0
 
 int
diff --git a/sys/compat/freebsd32/syscalls.master b/sys/compat/freebsd32/syscalls.master
index 85cb626..5ab7e42 100644
--- a/sys/compat/freebsd32/syscalls.master
+++ b/sys/compat/freebsd32/syscalls.master
@@ -799,16 +799,22 @@
 				    mode_t mode); }
 483	AUE_SHMUNLINK	NOPROTO	{ int shm_unlink(const char *path); }
 484	AUE_NULL	NOPROTO	{ int cpuset(cpusetid_t *setid); }
-485	AUE_NULL	NOPROTO	{ int cpuset_setid(cpuwhich_t which, id_t id, \
+485	AUE_NULL	STD	{ int freebsd32_cpuset_setid(cpuwhich_t which, \
+				    uint32_t idlo, uint32_t idhi, \
 				    cpusetid_t setid); }
-486	AUE_NULL	NOPROTO	{ int cpuset_getid(cpulevel_t level, \
-				    cpuwhich_t which, id_t id, \
+486	AUE_NULL	STD	{ int freebsd32_cpuset_getid(cpulevel_t level, \
+				    cpuwhich_t which, \
+				    uint32_t idlo, uint32_t idhi, \
 				    cpusetid_t *setid); }
-487	AUE_NULL	NOPROTO	{ int cpuset_getaffinity(cpulevel_t level, \
-				    cpuwhich_t which, id_t id, size_t cpusetsize, \
+487	AUE_NULL	STD	{ int freebsd32_cpuset_getaffinity( \
+				    cpulevel_t level, cpuwhich_t which, \
+				    uint32_t idlo, uint32_t idhi, \
+				    size_t cpusetsize, \
 				    cpuset_t *mask); }
-488	AUE_NULL	NOPROTO	{ int cpuset_setaffinity(cpulevel_t level, \
-				    cpuwhich_t which, id_t id, size_t cpusetsize, \
+488	AUE_NULL	STD	{ int freebsd32_cpuset_setaffinity( \
+				    cpulevel_t level, cpuwhich_t which, \
+				    uint32_t idlo, uint32_t idhi, \
+				    size_t cpusetsize, \
 				    const cpuset_t *mask); }
 489	AUE_FACCESSAT	NOPROTO	{ int faccessat(int fd, char *path, int mode, \
 				    int flag); }