Handle void * conversions in FreeBSD/x86 native code to fix C++ build.

[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.cp / casts.exp

diff --git a/gdb/testsuite/gdb.cp/casts.exp b/gdb/testsuite/gdb.cp/casts.exp
index ee499d72f0d236bda03d04fe2ebc01bb40353bb2..34a24920604f3b88dc0c489e68a6d02dad75af20 100644 (file)
--- a/gdb/testsuite/gdb.cp/casts.exp
+++ b/gdb/testsuite/gdb.cp/casts.exp
@@ -1,4 +1,4 @@
-# Copyright 2002-2004, 2007-2012 Free Software Foundation, Inc.
+# Copyright 2002-2016 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
@@ -27,30 +27,24 @@
 
 if { [skip_cplus_tests] } { continue }
 
-set testfile "casts"
-set srcfile ${testfile}.cc
-set binfile ${objdir}/${subdir}/${testfile}
+standard_testfile .cc
 
-if [get_compiler_info ${binfile} "c++"] {
-    return -1;
+if [get_compiler_info "c++"] {
+    return -1
 }
 
-if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
-     untested casts.exp
-     return -1
+if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
+    return -1
 }
 
-
-gdb_exit
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
-gdb_load ${binfile}
-
 if ![runto_main] then {
     perror "couldn't run to breakpoint"
     continue
 }
 
+# Prevent symbol on address 0x0 being printed.
+gdb_test_no_output "set print symbol off"
+
 gdb_test "break [gdb_get_line_number "casts.exp: 1"]" \
     "Breakpoint.*at.* file .*" \
     ""
@@ -116,6 +110,25 @@ gdb_test "print reinterpret_cast<void> (b)" "Invalid reinterpret_cast" \
 gdb_test "print reinterpret_cast<A &> (*b)" " = \\(A \\&\\) @$hex: {a = 42}" \
     "reinterpret_cast to reference type"
 
+# Test that keyword shadowing works.
+
+gdb_test "whatis decltype(5)" " = double"
+
+# Basic tests using typeof.
+
+foreach opname {__typeof__ __typeof __decltype} {
+    gdb_test "print (${opname}(a)) (b)" " = \\(A \\*\\) $hex" \
+       "old-style cast using $opname"
+
+    gdb_test "print static_cast<${opname}(a)> (b)" " = \\(A \\*\\) $hex" \
+       "static_cast using $opname"
+
+    gdb_test "print reinterpret_cast<${opname}(a)> (b)" " = \\(A \\*\\) $hex" \
+       "reinterpret_cast using $opname"
+}
+
+gdb_test "whatis __decltype(*a)" "type = A \\&"
+
 # Tests of dynamic_cast.
 
 set nonzero_hex "0x\[0-9A-Fa-f\]\[0-9A-Fa-f\]+"