Page MenuHomeFreeBSD

D30898.diff
No OneTemporary

D30898.diff

diff --git a/sys/kern/kern_sharedpage.c b/sys/kern/kern_sharedpage.c
--- a/sys/kern/kern_sharedpage.c
+++ b/sys/kern/kern_sharedpage.c
@@ -308,27 +308,43 @@
#ifdef RANDOM_FENESTRASX
ptrdiff_t base;
#endif
+ u_int flags;
sv = (struct sysentvec *)param;
- if ((sv->sv_flags & SV_SHP) == 0)
+ flags = sv->sv_flags;
+ if ((flags & SV_SHP) == 0)
return;
+ MPASS(sv->sv_shared_page_obj == NULL);
+ MPASS(sv->sv_shared_page_base != 0);
+
sv->sv_shared_page_obj = shared_page_obj;
- sv->sv_sigcode_base = sv->sv_shared_page_base +
- shared_page_fill(*(sv->sv_szsigcode), 16, sv->sv_sigcode);
- if ((sv->sv_flags & SV_ABI_MASK) != SV_ABI_FREEBSD)
- return;
- if ((sv->sv_flags & SV_TIMEKEEP) != 0) {
+ if ((flags & SV_ABI_MASK) == SV_ABI_FREEBSD) {
+ sv->sv_sigcode_base = sv->sv_shared_page_base +
+ shared_page_fill(*(sv->sv_szsigcode), 16, sv->sv_sigcode);
+ }
+ if ((flags & SV_TIMEKEEP) != 0) {
#ifdef COMPAT_FREEBSD32
- if ((sv->sv_flags & SV_ILP32) != 0) {
- KASSERT(compat32_svtk == NULL,
- ("Compat32 already registered"));
- compat32_svtk = alloc_sv_tk_compat32();
+ if ((flags & SV_ILP32) != 0) {
+ if ((flags & SV_ABI_MASK) == SV_ABI_FREEBSD) {
+ KASSERT(compat32_svtk == NULL,
+ ("Compat32 already registered"));
+ compat32_svtk = alloc_sv_tk_compat32();
+ } else {
+ KASSERT(compat32_svtk != NULL,
+ ("Compat32 not registered"));
+ }
sv->sv_timekeep_base = sv->sv_shared_page_base +
compat32_svtk->sv_timekeep_off;
} else {
#endif
- KASSERT(host_svtk == NULL, ("Host already registered"));
- host_svtk = alloc_sv_tk();
+ if ((flags & SV_ABI_MASK) == SV_ABI_FREEBSD) {
+ KASSERT(host_svtk == NULL,
+ ("Host already registered"));
+ host_svtk = alloc_sv_tk();
+ } else {
+ KASSERT(host_svtk != NULL,
+ ("Host not registered"));
+ }
sv->sv_timekeep_base = sv->sv_shared_page_base +
host_svtk->sv_timekeep_off;
#ifdef COMPAT_FREEBSD32
@@ -336,7 +352,8 @@
#endif
}
#ifdef RANDOM_FENESTRASX
- if ((sv->sv_flags & SV_RNG_SEED_VER) != 0) {
+ if ((flags & (SV_ABI_MASK | SV_RNG_SEED_VER)) ==
+ (SV_ABI_FREEBSD | SV_RNG_SEED_VER)) {
/*
* Only allocate a single VDSO entry for multiple sysentvecs,
* i.e., native and COMPAT32.

File Metadata

Mime Type
text/plain
Expires
Sat, Nov 16, 4:51 AM (21 h, 8 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
14653367
Default Alt Text
D30898.diff (2 KB)

Event Timeline