diff options
| author | Dale Rahn <drahn@cvs.openbsd.org> | 2006-05-03 16:10:53 +0000 |
|---|---|---|
| committer | Dale Rahn <drahn@cvs.openbsd.org> | 2006-05-03 16:10:53 +0000 |
| commit | ec4b8bbf8212a67706e8bf0d84a933147a5bf89c (patch) | |
| tree | f06a750d1a5fbec05783cff2a3ba488c9e288a69 /libexec/ld.so/sparc64/ldasm.S | |
| parent | b1f9a206d3729c6275222429f2ec0529817fc0b3 (diff) | |
prebind - how to prelink a binary without throwing security out the window
Prelink fixes the address of libraries making 'return to libc' attacks trival,
prebind uses a different method to achieve most of the same gains, however
without adding any security conerns.
Still under development, now in-tree.
Diffstat (limited to 'libexec/ld.so/sparc64/ldasm.S')
| -rw-r--r-- | libexec/ld.so/sparc64/ldasm.S | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libexec/ld.so/sparc64/ldasm.S b/libexec/ld.so/sparc64/ldasm.S index dcf8186fa96..332bc13ebd8 100644 --- a/libexec/ld.so/sparc64/ldasm.S +++ b/libexec/ld.so/sparc64/ldasm.S @@ -1,4 +1,4 @@ -/* $OpenBSD: ldasm.S,v 1.23 2004/05/25 15:56:19 deraadt Exp $ */ +/* $OpenBSD: ldasm.S,v 1.24 2006/05/03 16:10:52 drahn Exp $ */ /* $NetBSD: rtld_start.S,v 1.5 2001/08/14 22:17:48 eeh Exp $ */ /* @@ -315,3 +315,11 @@ _ENTRY(_dl_sysctl) t ST_SYSCALL ! off to wonderland retl sub %g0, %o0, %o0 ! error: result = -errno + +_ENTRY(_dl_gettimeofday) + mov SYS_gettimeofday | SYSCALL_G2RFLAG, %g1 ! calling sys_gettimeofday + add %o7, 8, %g2 ! just return on success + t ST_SYSCALL ! off to wonderland + retl + sub %g0, %o0, %o0 ! error: result = -errno + |