# Copyright (C) 2009-2012 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/>. proc do_test {type} { set typenospace [string map {{ } -} $type] with_test_prefix "$typenospace" { if {[runto "func"]} { # Verify that we do not crash when using "return" from a # function with no debugging info. Such function has no # `struct symbol'. It may still have an associated # `struct minimal_symbol'. gdb_test "return -1" \ "Return value type not available for selected stack frame\\.\r\nPlease use an explicit cast of the value to return\\." \ "return from function with no debug info without a cast" # Cast of the result to the proper width must be done explicitely. gdb_test "return ($type) -1" "#0 .* main \\(.*" \ "return from function with no debug info with a cast" \ "Make selected stack frame return now\\? \\(y or n\\) " "y" gdb_test "advance marker" "marker \\(.*" \ "advance to marker" # And if it returned the full width of the result. gdb_test "print /d t" " = -1" "full width of the returned result" } } } foreach type {{signed char} {short} {int} {long} {long long} {float} {double}} { set typeesc [string map {{ } {\ }} $type] set typenospace [string map {{ } -} $type] set testfile "return-nodebug" set srcfile ${testfile}.c set srcfile1 ${testfile}1.c set binfile ${objdir}/${subdir}/${testfile}-${typenospace} set additional_flags "additional_flags=-DTYPE=$typeesc" if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object [list debug $additional_flags]] != "" } { continue } # This one is compiled without debug info. if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object [list $additional_flags]] != "" } { continue } if { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug}] != "" } { continue } gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_load ${binfile} do_test $type }