(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 0 insertions, 200 deletions

diff --git a/elf/tst-stackguard1.c b/elf/tst-stackguard1.c
deleted file mode 100644
index 50739e5..0000000
--- a/elf/tst-stackguard1.c
+++ /dev/null
@@ -1,200 +0,0 @@
-/* Copyright (C) 2005 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2005.
-
-   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.  */
-
-#include <errno.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/wait.h>
-#include <stackguard-macros.h>
-#include <unistd.h>
-
-static const char *command;
-static bool child;
-static uintptr_t stack_chk_guard_copy;
-static bool stack_chk_guard_copy_set;
-static int fds[2];
-
-static void __attribute__ ((constructor))
-con (void)
-{
-  stack_chk_guard_copy = STACK_CHK_GUARD;
-  stack_chk_guard_copy_set = true;
-}
-
-static int
-uintptr_t_cmp (const void *a, const void *b)
-{
-  if (*(uintptr_t *) a < *(uintptr_t *) b)
-    return 1;
-  if (*(uintptr_t *) a > *(uintptr_t *) b)
-    return -1;
-  return 0;
-}
-
-static int
-do_test (void)
-{
-  if (!stack_chk_guard_copy_set)
-    {
-      puts ("constructor has not been run");
-      return 1;
-    }
-
-  if (stack_chk_guard_copy != STACK_CHK_GUARD)
-    {
-      puts ("STACK_CHK_GUARD changed between constructor and do_test");
-      return 1;
-    }
-
-  if (child)
-    {
-      write (2, &stack_chk_guard_copy, sizeof (stack_chk_guard_copy));
-      return 0;
-    }
-
-  if (command == NULL)
-    {
-      puts ("missing --command or --child argument");
-      return 1;
-    }
-
-#define N 16
-  uintptr_t child_stack_chk_guards[N + 1];
-  child_stack_chk_guards[N] = stack_chk_guard_copy;
-  int i;
-  for (i = 0; i < N; ++i)
-    {
-      if (pipe (fds) < 0)
-	{
-	  printf ("couldn't create pipe: %m\n");
-	  return 1;
-	}
-
-      pid_t pid = fork ();
-      if (pid < 0)
-	{
-	  printf ("fork failed: %m\n");
-	  return 1;
-	}
-
-      if (!pid)
-	{
-	  if (stack_chk_guard_copy != STACK_CHK_GUARD)
-	    {
-	      puts ("STACK_CHK_GUARD changed after fork");
-	      exit (1);
-	    }
-
-	  close (fds[0]);
-	  close (2);
-	  dup2 (fds[1], 2);
-	  close (fds[1]);
-
-	  system (command);
-	  exit (0);
-	}
-
-      close (fds[1]);
-
-      if (TEMP_FAILURE_RETRY (read (fds[0], &child_stack_chk_guards[i],
-				    sizeof (uintptr_t))) != sizeof (uintptr_t))
-	{
-	  puts ("could not read stack_chk_guard value from child");
-	  return 1;
-	}
-
-      close (fds[0]);
-
-      pid_t termpid;
-      int status;
-      termpid = TEMP_FAILURE_RETRY (waitpid (pid, &status, 0));
-      if (termpid == -1)
-	{
-	  printf ("waitpid failed: %m\n");
-	  return 1;
-	}
-      else if (termpid != pid)
-	{
-	  printf ("waitpid returned %ld != %ld\n",
-		  (long int) termpid, (long int) pid);
-	  return 1;
-	}
-      else if (!WIFEXITED (status) || WEXITSTATUS (status))
-	{
-	  puts ("child hasn't exited with exit status 0");
-	  return 1;
-	}
-    }
-
-  qsort (child_stack_chk_guards, N + 1, sizeof (uintptr_t), uintptr_t_cmp);
-
-  uintptr_t default_guard = 0;
-  unsigned char *p = (unsigned char *) &default_guard;
-  p[sizeof (uintptr_t) - 1] = 255;
-  p[sizeof (uintptr_t) - 2] = '\n';
-  p[0] = 0;
-
-  /* Test if the stack guard canaries are either randomized,
-     or equal to the default stack guard canary value.
-     Even with randomized stack guards it might happen
-     that the random number generator generates the same
-     values, but if that happens in more than half from
-     the 16 runs, something is very wrong.  */
-  int ndifferences = 0;
-  int ndefaults = 0;
-  int npartlyrandomized = 0;
-  for (i = 0; i < N; ++i) 
-    {
-      if (child_stack_chk_guards[i] != child_stack_chk_guards[i+1])
-	ndifferences++;
-      else if (child_stack_chk_guards[i] == default_guard)
-	ndefaults++;
-      else if (*(char *) &child_stack_chk_guards[i] == 0)
-	npartlyrandomized++;
-    }
-
-  printf ("differences %d defaults %d partly randomized %d\n",
-	  ndifferences, ndefaults, npartlyrandomized);
-
-  if ((ndifferences + ndefaults + npartlyrandomized) < 3 * N / 4)
-    {
-      puts ("stack guard canaries are not randomized enough");
-      puts ("nor equal to the default canary value");
-      return 1;
-    }
-
-  return 0;
-}
-
-#define OPT_COMMAND	10000
-#define OPT_CHILD	10001
-#define CMDLINE_OPTIONS	\
-  { "command", required_argument, NULL, OPT_COMMAND },  \
-  { "child", no_argument, NULL, OPT_CHILD },
-#define CMDLINE_PROCESS	\
-  case OPT_COMMAND:	\
-    command = optarg;	\
-    break;		\
-  case OPT_CHILD:	\
-    child = true;	\
-    break;
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"