From: kettenis <kettenis@openbsd.org>
Date: Wed, 25 Dec 2013 11:10:02 +0000 (+0000)
Subject: Make ld.so pass its cleanup handler in %g1 as required by the SPARC System V
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=2d30e9ae53071f506f9189c2de6bd52eb93c92e5;p=openbsd

Make ld.so pass its cleanup handler in %g1 as required by the SPARC System V
ABI, and stop calling atexit(4) directly from ld.so on sparc.
---

diff --git a/libexec/ld.so/loader.c b/libexec/ld.so/loader.c
index e7b8e2861db..275542cb4a0 100644
--- a/libexec/ld.so/loader.c
+++ b/libexec/ld.so/loader.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: loader.c,v 1.140 2013/12/23 22:13:03 kettenis Exp $ */
+/*	$OpenBSD: loader.c,v 1.141 2013/12/25 11:10:02 kettenis Exp $ */
 
 /*
  * Copyright (c) 1998 Per Fogelstrom, Opsycon AB
@@ -605,7 +605,8 @@ _dl_boot(const char **argv, char **envp, const long dyn_loff, long *dl_data)
 	}
 
 #if !defined(__alpha__) && !defined(__amd64__) && !defined(__hppa__) && \
-    !defined(__i386__) && !defined(__powerpc__) && !defined(__sparc64__)
+    !defined(__i386__) && !defined(__powerpc__) && !defined(__sparc__) && \
+    !defined(__sparc64__)
 	/*
 	 * Schedule a routine to be run at shutdown, by using atexit.
 	 * Cannot call atexit directly from ld.so?
diff --git a/libexec/ld.so/sparc/ldasm.S b/libexec/ld.so/sparc/ldasm.S
index ab6e633e058..17112f54374 100644
--- a/libexec/ld.so/sparc/ldasm.S
+++ b/libexec/ld.so/sparc/ldasm.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ldasm.S,v 1.21 2013/08/13 05:52:21 guenther Exp $	*/
+/*	$OpenBSD: ldasm.S,v 1.22 2013/12/25 11:10:02 kettenis Exp $	*/
 
 /*
  * Copyright (c) 2001 Jason L. Wright (jason@thought.net)
@@ -113,8 +113,13 @@ _dl_start:
 
 	add	%sp, 32 + DL_DATA_SIZE, %sp	! restore stack
 
+1:	call	2f
+	 sethi	%hi(_GLOBAL_OFFSET_TABLE_+(.-1b)), %l7
+2:	or	%l7, %lo(_GLOBAL_OFFSET_TABLE_+(.-1b)), %l7
+	add	%l7, %o7, %l7
+
 	jmp	%o0
-	 clr	%g1			! XXX don't register with atexit
+	 ld	[%l7 + _dl_dtors], %g1	! %g1 = cleanup
 
 
 	.section	".text"