grab some tests from glibc

test/setjmp/bug269-setjmp.c

@@ -0,0 +1,107 @@
+/* Copyright (C) 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */ ;
+
+/* Test case for Bugzilla # 269 */
+
+#include <stdio.h>
+#include <setjmp.h>
+#include <stdlib.h>
+
+jmp_buf buf1;
+jmp_buf buf2;
+int *p;
+int n_x = 6;
+
+static int g_counter = 0;
+
+int
+f (void) 
+{
+  static int counter = 0;
+  static int way_point1 = 3;
+  static int way_point2 = 2;
+  int lose = 0;
+
+  if (setjmp (buf1) != 101)
+    {
+      int a[n_x];		/* reallocate stack space */
+      g_counter++;
+      p = &a[0];
+      if (g_counter < 5)
+	longjmp (buf1, 2);
+      else if (g_counter == 5)
+	longjmp (buf1, 101);
+      else
+	{
+	  _setjmp (buf2);
+	  _longjmp (buf1, 101);
+	}
+    }
+
+  way_point1--;
+
+  if (counter == 0)
+    {
+      counter++;
+      {
+	int a[n_x];		/* reallocate stack space */
+	g_counter++;
+	p = &a[0];
+	if (g_counter < 5)
+	  longjmp (buf1, 2);
+	else if (g_counter == 5)
+	  longjmp (buf1, 101);
+	else
+	  {
+	    _setjmp (buf2);
+	    _longjmp (buf1, 101);
+	  }
+      }
+    }
+
+  way_point2--;
+
+  if (counter == 1)
+    {
+      counter++;
+      longjmp (buf2, 2);
+    }
+
+  lose = !(way_point1 == 0 && way_point2 == 0
+	   && g_counter == 6 && counter == 2);
+
+  return lose;
+}
+
+static int
+do_test (void)
+{
+  int lose;
+
+  lose = f ();
+
+  if (lose)
+    puts ("Test FAILED!");
+  else
+    puts ("Test succeeded!");
+
+  return lose ? EXIT_FAILURE : EXIT_SUCCESS;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"

test/setjmp/jmpbug.c

@@ -0,0 +1,40 @@
+/* setjmp vs alloca test case.  Exercised bug on sparc.  */
+
+#include <stdio.h>
+#include <setjmp.h>
+#include <alloca.h>
+
+static void
+sub5 (jmp_buf buf)
+{
+  longjmp (buf, 1);
+}
+
+static void
+test (int x)
+{
+  jmp_buf buf;
+  char *foo;
+  int arr[100];
+
+  arr[77] = x;
+  if (setjmp (buf))
+    {
+      printf ("made it ok; %d\n", arr[77]);
+      return;
+    }
+
+  foo = (char *) alloca (128);
+  sub5 (buf);
+}
+
+int
+main (void)
+{
+  int i;
+
+  for (i = 123; i < 345; ++i)
+    test (i);
+
+  return 0;
+}