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-*-*.

3 files changed, 20 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.base/maint.exp b/gdb/testsuite/gdb.base/maint.exp
index 61ad439..2bd25936 100644
--- a/gdb/testsuite/gdb.base/maint.exp
+++ b/gdb/testsuite/gdb.base/maint.exp
@@ -394,6 +394,11 @@ gdb_test_multiple "maint info sections" "maint info sections" {
 	set data_section ER_RW
 	pass "maint info sections"
     }
+    -re "Exec file:\r\n.*break($EXEEXT)?., file type.*neardata.*$gdb_prompt $" {
+	# c6x doesn't have .data section.  It has .neardata and .fardata section.
+	set data_section ".neardata"
+	pass "maint info sections"
+    }
     -re "Exec file:\r\n.*break($EXEEXT)?., file type.*$gdb_prompt $" {
 	pass "maint info sections"
     }
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 ();
 }
diff --git a/gdb/testsuite/gdb.base/savedregs.exp b/gdb/testsuite/gdb.base/savedregs.exp
index eeee0ff..b9204a4 100644
--- a/gdb/testsuite/gdb.base/savedregs.exp
+++ b/gdb/testsuite/gdb.base/savedregs.exp
@@ -143,6 +143,7 @@ process_saved_regs thrower { main } { }
 # Continue to the signal catcher, check main's saved-reg info, capture
 # catcher's saved-reg info.
 gdb_test "handle SIGSEGV pass print nostop"
+gdb_test "handle SIGILL pass print nostop"
 gdb_test "advance catcher" "catcher .* at .*"
 process_saved_regs catcher { sigtramp thrower } { main }