2007-12-16 Daniel Jacobowitz <dan@codesourcery.com>

            Joseph Myers  <joseph@codesourcery.com>

	* configure.ac: Check for *-*-solaris2.1[[0-9]]* instead of
	*-*-solaris2.1[[0-9]].
	* configure: Regenerate.
	* procfs.c (proc_set_current_signal): If redelivering a signal,
	reuse the current siginfo if possible.

testsuite:
	* gdb.base/siginfo-addr.exp, gdb.base/siginfo-addr.c: New.

1 files changed, 68 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.base/siginfo-addr.c b/gdb/testsuite/gdb.base/siginfo-addr.c
new file mode 100644
index 0000000..c1a0095
--- /dev/null
+++ b/gdb/testsuite/gdb.base/siginfo-addr.c
@@ -0,0 +1,68 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2004, 2007 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+static void *p;
+
+static void
+handler (int sig, siginfo_t *info, void *context)
+{
+  if (info->si_addr == p)
+    printf ("Correct si_addr value.\n");
+  else
+    printf ("Got si_addr = %p, expected %p.\n", info->si_addr, p);
+  _exit (0);
+}
+
+int
+main (void)
+{
+  /* Set up unwritable memory.  */
+  {
+    size_t len;
+    len = sysconf(_SC_PAGESIZE);
+    p = mmap (0, len, PROT_NONE, MAP_ANON|MAP_PRIVATE, -1, 0);
+    if (p == MAP_FAILED)
+      {
+	perror ("mmap");
+	return 1;
+      }
+  }
+  /* Set up the signal handler.  */
+  {
+    struct sigaction action;
+    memset (&action, 0, sizeof (action));
+    action.sa_sigaction = handler;
+    action.sa_flags |= SA_SIGINFO;
+    if (sigaction (SIGSEGV, &action, NULL))
+      {
+	perror ("sigaction");
+	return 1;
+      }
+  }
+  /* Trigger SIGSEGV.  */
+  *(int *)p = 0;
+  return 0;
+}