1# Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16proc do_test {type} { 17 set typenospace [string map {{ } -} $type] 18 19 global pf_prefix 20 set old_prefix $pf_prefix 21 lappend pf_prefix "$typenospace:" 22 23 if {[runto "func"]} { 24 # Verify that we do not crash when using "return" from a function with 25 # no debugging info. Such function has no `struct symbol'. It may 26 # still have an associated `struct minimal_symbol'. 27 28 gdb_test "return -1" \ 29 "Return value type not available for selected stack frame\\.\r\nPlease use an explicit cast of the value to return\\." \ 30 "return from function with no debug info without a cast" 31 32 # Cast of the result to the proper width must be done explicitely. 33 gdb_test "return ($type) -1" "#0 .* main \\(.*" \ 34 "return from function with no debug info with a cast" \ 35 "Make selected stack frame return now\\? \\(y or n\\) " "y" 36 37 gdb_test "advance marker" "marker \\(.*" \ 38 "advance to marker" 39 40 # And if it returned the full width of the result. 41 gdb_test "print /d t" " = -1" "full width of the returned result" 42 } 43 44 set pf_prefix $old_prefix 45} 46 47foreach type {{signed char} {short} {int} {long} {long long}} { 48 set typeesc [string map {{ } {\ }} $type] 49 set typenospace [string map {{ } -} $type] 50 51 set testfile "return-nodebug" 52 set srcfile ${testfile}.c 53 set srcfile1 ${testfile}1.c 54 set binfile ${objdir}/${subdir}/${testfile}-${typenospace} 55 56 set additional_flags "additional_flags=-DTYPE=$typeesc" 57 58 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object [list debug $additional_flags]] != "" } { 59 continue 60 } 61 62 # This one is compiled without debug info. 63 if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object [list $additional_flags]] != "" } { 64 continue 65 } 66 67 if { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug}] != "" } { 68 continue 69 } 70 71 gdb_exit 72 gdb_start 73 gdb_reinitialize_dir $srcdir/$subdir 74 gdb_load ${binfile} 75 76 do_test $type 77} 78