diff options
| author | Dale Rahn <drahn@cvs.openbsd.org> | 2007-05-05 15:21:22 +0000 |
|---|---|---|
| committer | Dale Rahn <drahn@cvs.openbsd.org> | 2007-05-05 15:21:22 +0000 |
| commit | b769e807d32df4b2769d521a9f2e07fa5636ad46 (patch) | |
| tree | a84bec994dddd31b2cb2cb0ba6947ebfc34e71e2 /libexec/ld.so/sparc | |
| parent | 65314bd4b49f9cce5a6d3f3c9cf77bc7272e60fa (diff) | |
Provide hook so that rthreads can provide a spinlock to protect from races
in lazy binding. ok art@, kurt@
Diffstat (limited to 'libexec/ld.so/sparc')
| -rw-r--r-- | libexec/ld.so/sparc/rtld_machine.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libexec/ld.so/sparc/rtld_machine.c b/libexec/ld.so/sparc/rtld_machine.c index f14d49a69b1..cc3489b37bc 100644 --- a/libexec/ld.so/sparc/rtld_machine.c +++ b/libexec/ld.so/sparc/rtld_machine.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rtld_machine.c,v 1.27 2006/10/28 16:06:05 drahn Exp $ */ +/* $OpenBSD: rtld_machine.c,v 1.28 2007/05/05 15:21:21 drahn Exp $ */ /* * Copyright (c) 1999 Dale Rahn @@ -340,6 +340,7 @@ _dl_bind(elf_object_t *object, int reloff) if (object->plt_size != 0) { sigfillset(&nmask); _dl_sigprocmask(SIG_BLOCK, &nmask, &omask); + _dl_thread_bind_lock(0); /* mprotect the actual modified region, not the whole plt */ _dl_mprotect((void*)addr, sizeof (Elf_Addr) * 3, PROT_READ|PROT_WRITE|PROT_EXEC); @@ -352,6 +353,7 @@ _dl_bind(elf_object_t *object, int reloff) /* mprotect the actual modified region, not the whole plt */ _dl_mprotect((void*)addr, sizeof (Elf_Addr) * 3, PROT_READ|PROT_EXEC); + _dl_thread_bind_lock(1); _dl_sigprocmask(SIG_SETMASK, &omask, NULL); } |