* gdb.base/breakpoint-shadow.exp, gdb.base/breakpoint-shadow.c: New.

* gdb.base/start.exp: New comment about an alternative - `runto_main'.

gdb/testsuite/ChangeLog

@@ -1,3 +1,8 @@
+2008-11-25  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* gdb.base/breakpoint-shadow.exp, gdb.base/breakpoint-shadow.c: New.
+	* gdb.base/start.exp: New comment about an alternative - `runto_main'.
+
 2008-11-20  Andreas Schwab  <schwab@suse.de>
 
 	* gdb.base/foll-fork.exp (catch_fork_child_follow): Fix patterns

gdb/testsuite/gdb.base/breakpoint-shadow.c

@@ -0,0 +1,27 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2008 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/>.  */
+
+int
+main (void)
+{
+  volatile int i;
+  
+  i = 1;	/* break-first */
+  i = 2;	/* break-second */
+
+  return 0;
+}

gdb/testsuite/gdb.base/breakpoint-shadow.exp

@@ -0,0 +1,63 @@
+# Copyright 2008 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/>.
+
+set testfile breakpoint-shadow
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+    untested "Couldn't compile test program"
+    return -1
+}
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+# We need to start the inferior to place the breakpoints in the memory at all.
+if ![runto_main] {
+    untested start
+    return -1
+}
+
+# The default "auto" mode removes all the breakpoints when we stop (and not
+# running the nonstop mode).  We would not be able to test the shadow.
+gdb_test "set breakpoint always-inserted on"
+gdb_test "show breakpoint always-inserted" "Always inserted breakpoint mode is on."
+
+set match "\nDump of assembler code for function main:\r\n(.*)End of assembler dump.\r\n$gdb_prompt $"
+
+set test "disassembly without breakpoints"
+gdb_test_multiple "disass main" $test {
+    -re $match {
+    	set orig $expect_out(1,string)
+	pass $test
+    }
+}
+
+gdb_test "b [gdb_get_line_number "break-first"]" "Breakpoint \[0-9\] at .*" "First breakpoint placed"
+gdb_test "b [gdb_get_line_number "break-second"]" "Breakpoint \[0-9\] at .*" "Second breakpoint placed"
+
+set test "disassembly with breakpoints"
+gdb_test_multiple "disass main" $test {
+    -re $match {
+    	set got $expect_out(1,string)
+	if [string equal -nocase $orig $got] {
+	    pass $test
+	} else {
+	    fail $test
+	}
+    }
+}

gdb/testsuite/gdb.base/start.exp

@@ -35,6 +35,9 @@ gdb_start
 gdb_reinitialize_dir $srcdir/$subdir
 gdb_load ${binfile}
 
+# This is a testcase specifically for the `start' GDB command.  For regular
+# stop-in-main goal in the testcases consider using `runto_main' instead.
+
 # For C programs, "start" should stop in main().
 if { [gdb_start_cmd] < 0 } {
     untested start
@@ -44,4 +47,3 @@ if { [gdb_start_cmd] < 0 } {
 gdb_test "" \
          "main \\(\\) at .*start.c.*" \
          "start"
-