1# Copyright (C) 1992, 1997, 2001, 2007 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 16# Please email any bugs, comments, and/or additions to this file to: 17# bug-gdb@prep.ai.mit.edu 18 19# This file was written by Jeff Law. (law@cs.utah.edu) 20 21if $tracelevel then { 22 strace $tracelevel 23} 24 25set prms_id 0 26set bug_id 0 27 28set testfile "return" 29set srcfile ${testfile}.c 30set binfile ${objdir}/${subdir}/${testfile} 31if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { 32 untested return.exp 33 return -1 34} 35 36proc return_tests { } { 37 global gdb_prompt 38 39 40 if { ! [ runto func1 ] } then { return 0 } 41 send_gdb "return\n" 42 gdb_expect { 43 -re "Make .* return now.*y or n. $" { 44 send_gdb "y\n" 45 exp_continue 46 } 47 -re "func1 ..;.*$gdb_prompt $" { 48 send_gdb "step\n" 49 exp_continue 50 } 51 -re ".*in main after func1.*$gdb_prompt $" { pass "simple return" } 52 -re "$gdb_prompt $" { fail "simple return" } 53 timeout { fail "(timeout) simple return" } 54 } 55 56 # Set breakpoints in other interesting functions. 57 gdb_test "break func2" "" "break func2" 58 gdb_test "break func3" "" "break func3" 59 60 gdb_test "continue" "return -5;" "continue to return of -5" 61 send_gdb "return 5\n" 62 gdb_expect { 63 -re "Make .* return now.*y or n. $" { 64 send_gdb "y\n" 65 exp_continue 66 } 67 -re ".*tmp2 = func2.*$gdb_prompt $" { } 68 -re "$gdb_prompt $" { fail "did not return (integer test)" } 69 timeout { fail "(timeout) did not return (integer test)" } 70 } 71 gdb_test "next" "tmp3 = func3.*" "next over call to func2" 72 73 gdb_test "p tmp2" ".* = 5" "correct value returned (integer test)" 74 75 gdb_test "continue" "return -5.0;" "continue to return of -5.0" 76 77 # Return of a double does not work for 68hc11 (need struct return 78 # in memory). 79 setup_xfail "m6811-*-*" 80 send_gdb "return 5.0\n" 81 gdb_expect { 82 -re "Make .* return now.*y or n. $" { 83 send_gdb "y\n" 84 exp_continue 85 } 86 -re ".*tmp3 = func3.*$gdb_prompt $" { } 87 -re "$gdb_prompt $" { fail "did not return (double test)" } 88 timeout { fail "(timeout) did not return (double test)" } 89 } 90 91 setup_xfail "m6811-*-*" 92 gdb_test "next" "printf.*" "next over call to func3" 93 94 # This test also fails for sparc Solaris 2.3 & 2.4, but passes under 2.5 95 # At the time the `next' is issued, the floating point unit for the 96 # process is not yet initialized, and the storing of the floating 97 # point value to the floating point return register is ignored. 98 # Xfail it for current versions that are known to fail. Presumably 99 # if some future version does initialize the floating point unit at 100 # process start, making this test pass, it will be for a version that 101 # is not xfailed. 102 103 setup_xfail "sparc-*-solaris2.3*" "sparc-*-solaris2.4*" "m6811-*-*" 104 gdb_test "p tmp3" ".* = 5.*" "correct value returned double test (known problem with sparc solaris)" 105} 106 107 108# Start with a fresh gdb. 109 110gdb_exit 111gdb_start 112gdb_reinitialize_dir $srcdir/$subdir 113gdb_load ${binfile} 114 115set timeout 30 116return_tests 117