diff options
| author |   guenther <guenther@openbsd.org> | 2017-12-14 17:06:33 +0000 |
|---|---|---|
| committer | guenther <guenther@openbsd.org> | 2017-12-14 17:06:33 +0000 |
| commit | cfd60b50b925dbd1f966fb2bd4ff813c47c0f606 (patch) | |
| tree | 358e8cd6c61013b6f990ef132641e54dba8d513d /lib/libkvm/kvm_private.h | |
| parent | sync (diff) | |
| download | wireguard-openbsd-cfd60b50b925dbd1f966fb2bd4ff813c47c0f606.tar.xz wireguard-openbsd-cfd60b50b925dbd1f966fb2bd4ff813c47c0f606.zip | |
Add Symbols.map to explicitly define the ABIs, hiding linker defined symbols.
Use hidden aliases for internal invocations of exported symbols to avoid PLT.
ok deraadt@ kettenis@ jca@
Diffstat (limited to 'lib/libkvm/kvm_private.h')
| -rw-r--r-- | lib/libkvm/kvm_private.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/libkvm/kvm_private.h b/lib/libkvm/kvm_private.h index b42634ba969..3fe186e7365 100644 --- a/lib/libkvm/kvm_private.h +++ b/lib/libkvm/kvm_private.h @@ -1,4 +1,4 @@ -/* $OpenBSD: kvm_private.h,v 1.24 2015/09/04 02:55:09 dlg Exp $ */ +/* $OpenBSD: kvm_private.h,v 1.25 2017/12/14 17:06:33 guenther Exp $ */ /* $NetBSD: kvm_private.h,v 1.7 1996/05/05 04:32:15 gwr Exp $ */ /*- @@ -106,3 +106,11 @@ void _kvm_syserr(kvm_t *kd, const char *program, const char *fmt, ...) ssize_t _kvm_pread(kvm_t *, int, void *, size_t, off_t); ssize_t _kvm_pwrite(kvm_t *, int, const void *, size_t, off_t); __END_HIDDEN_DECLS + + +#define PROTO(x) __dso_hidden typeof(x) x asm("__"#x) +#define DEF(x) __strong_alias(x, __##x) + +PROTO(kvm_close); +PROTO(kvm_nlist); +PROTO(kvm_read); |