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authorUlrich Drepper <drepper@redhat.com>2003-09-17 08:47:44 +0000
committerUlrich Drepper <drepper@redhat.com>2003-09-17 08:47:44 +0000
commita4db3439f1177cf5c5ceb80bfa3f3a2cef00fc0e (patch)
treee21a8cd5a2222281888d37b530d360e92995abd7 /stdlib
parent6c052003bda07641309dcd4fe4a5158d24f5d607 (diff)
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Update.
2003-09-15  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/i386/Makefile (sysdep-CFLAGS): If not in math or csu
	subdir, add -mpreferred-stack-boundary=4, with few exceptions.

2003-09-17  Jakub Jelinek  <jakub@redhat.com>

	* Makeconfig (stack-align-test-flags): Set.
	* stdlib/Makefile (CFLAGS-tst-bsearch.c): Add
	$(stack-align-test-flags).
	* stdlib/tst-bsearch.c: Include tst-stack-align.h.
	(align_check): New var.
	(comp): Use TEST_STACK_ALIGN macro.
	(do_test): Fail if align_check != 1.
	* sysdeps/generic/tst-stack-align.h: New file.
	* sysdeps/i386/i686/Makefile (stack-align-test-flags): Add -msse.
	* sysdeps/i386/i686/tst-stack-align.h: New file.
Diffstat (limited to 'stdlib')
-rw-r--r--stdlib/Makefile2
-rw-r--r--stdlib/tst-bsearch.c18
2 files changed, 19 insertions, 1 deletions
diff --git a/stdlib/Makefile b/stdlib/Makefile
index 5ff7dfdbc6..f882a554ef 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -96,6 +96,8 @@ ifeq (yes,$(have-protected))
 CFLAGS-atexit.c = -DHAVE_DOT_HIDDEN
 endif
 
+CFLAGS-tst-bsearch.c = $(stack-align-test-flags)
+
 include ../Rules
 
 # Testdir has to be named stdlib and needs to be writable
diff --git a/stdlib/tst-bsearch.c b/stdlib/tst-bsearch.c
index ad80776785..8d2fd895fe 100644
--- a/stdlib/tst-bsearch.c
+++ b/stdlib/tst-bsearch.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2000.
 
@@ -19,6 +19,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <tst-stack-align.h>
 
 struct entry
 {
@@ -40,6 +41,7 @@ struct entry
 };
 #define narr (sizeof (arr) / sizeof (arr[0]))
 
+static int align_check;
 
 static int
 comp (const void *p1, const void *p2)
@@ -47,6 +49,9 @@ comp (const void *p1, const void *p2)
   struct entry *e1 = (struct entry *) p1;
   struct entry *e2 = (struct entry *) p2;
 
+  if (!align_check)
+    align_check = TEST_STACK_ALIGN () ? -1 : 1;
+
   return e1->val - e2->val;
 }
 
@@ -128,6 +133,17 @@ main (void)
 	}
     }
 
+  if (align_check == 0)
+    {
+      puts ("alignment not checked");
+      result = 1;
+    }
+  else if (align_check == -1)
+    {
+      puts ("stack not sufficiently aligned");
+      result = 1;
+    }
+
   if (result == 0)
     puts ("all OK");