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| author |   kettenis <kettenis@openbsd.org> | 2016-05-21 21:58:52 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2016-05-21 21:58:52 +0000 |
| commit | 83c41c9705f353872fb3c1a33182503df389a36f (patch) | |
| tree | 4cd1ff1cda41f6e423087a26e39721a57dc3879a | |
| parent | sync (diff) | |
| download | wireguard-openbsd-83c41c9705f353872fb3c1a33182503df389a36f.tar.xz wireguard-openbsd-83c41c9705f353872fb3c1a33182503df389a36f.zip | |
Temporarily make the PLT writable when we're initializing the magic slots
or doing non-lazy relocation processing.
ok guenther@
| -rw-r--r-- | libexec/ld.so/sparc64/rtld_machine.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libexec/ld.so/sparc64/rtld_machine.c b/libexec/ld.so/sparc64/rtld_machine.c index 5b91c432162..915737b599b 100644 --- a/libexec/ld.so/sparc64/rtld_machine.c +++ b/libexec/ld.so/sparc64/rtld_machine.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rtld_machine.c,v 1.56 2015/11/02 07:02:53 guenther Exp $ */ +/* $OpenBSD: rtld_machine.c,v 1.57 2016/05/21 21:58:52 kettenis Exp $ */ /* * Copyright (c) 1999 Dale Rahn @@ -847,6 +847,10 @@ _dl_md_reloc_got(elf_object_t *object, int lazy) if (object->traced) lazy = 1; + /* temporarily make the PLT writable */ + _dl_protect_segment(object, 0, "__plt_start", "__plt_end", + PROT_READ|PROT_WRITE); + if (!lazy) { fails = _dl_md_reloc_all_plt(object); } else { |