From d93f7b5c9552338037fcb8fc03b3a04e21c478cd Mon Sep 17 00:00:00 2001
From: Yao Qi <yao@codesourcery.com>
Date: Sun, 14 Aug 2011 15:58:40 +0000
Subject: gdb/testsuite/

	* gdb.base/maint.exp: set data_section to ".neardata".
	* gdb.base/savedregs.c (thrower): Trigger SIGILL on NO-MMU machine.
	* gdb.base/savedregs.exp: Handle SIGILL.
	* gdb.mi/mi-syn-frame.c (bar): Trigger SIGILL on NO-MMU machine.
	* gdb.xml/tdesc-regs.exp: Set core-regs for tic6x-*-*.
---
 gdb/testsuite/gdb.base/savedregs.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'gdb/testsuite/gdb.base/savedregs.c')

diff --git a/gdb/testsuite/gdb.base/savedregs.c b/gdb/testsuite/gdb.base/savedregs.c
index 9f302a0..4f962ac 100644
--- a/gdb/testsuite/gdb.base/savedregs.c
+++ b/gdb/testsuite/gdb.base/savedregs.c
@@ -45,11 +45,25 @@ catcher (int sig)
 static void
 thrower (void)
 {
+  /* Trigger a SIGSEGV.  */
   *(char *)0 = 0;
+
+  /* On MMU-less system, previous memory access to address zero doesn't
+     trigger a SIGSEGV.  Trigger a SIGILL.  Each arch should define its
+     own illegal instruction here.  */
+
+#if defined(__arm__)
+  asm(".word 0xf8f00000");
+#elif defined(__TMS320C6X__)
+  asm(".word 0x56454313");
+#else
+#endif
+
 }
 
 main ()
 {
+  signal (SIGILL, catcher);
   signal (SIGSEGV, catcher);
   thrower ();
 }
-- 
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