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# Copyright (C) 1992, 1997, 2001, 2007, 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/>.
# This file was written by Jeff Law. (law@cs.utah.edu)
if { [prepare_for_testing return.exp "return"] } {
return -1
}
proc return_tests { } {
global gdb_prompt
if { ! [ runto func1 ] } then { return 0 }
send_gdb "return\n"
gdb_expect {
-re "Make .* return now.*y or n. $" {
send_gdb "y\n"
exp_continue
}
-re "func1 ..;.*$gdb_prompt $" {
send_gdb "step\n"
exp_continue
}
-re ".*in main after func1.*$gdb_prompt $" { pass "simple return" }
-re "$gdb_prompt $" { fail "simple return" }
timeout { fail "(timeout) simple return" }
}
# Set breakpoints in other interesting functions.
gdb_test "break func2" "" "break func2"
gdb_test "break func3" "" "break func3"
gdb_test "continue" "return -5;" "continue to return of -5"
send_gdb "return 5\n"
gdb_expect {
-re "Make .* return now.*y or n. $" {
send_gdb "y\n"
exp_continue
}
-re ".*tmp2 = func2.*$gdb_prompt $" { }
-re "$gdb_prompt $" { fail "did not return (integer test)" }
timeout { fail "(timeout) did not return (integer test)" }
}
gdb_test "next" "tmp3 = func3.*" "next over call to func2"
gdb_test "p tmp2" ".* = 5" "correct value returned (integer test)"
gdb_test "continue" "return -5.0;" "continue to return of -5.0"
# Return of a double does not work for 68hc11 (need struct return
# in memory).
setup_xfail "m6811-*-*"
send_gdb "return 5.0\n"
gdb_expect {
-re "Make .* return now.*y or n. $" {
send_gdb "y\n"
exp_continue
}
-re ".*tmp3 = func3.*$gdb_prompt $" { }
-re "$gdb_prompt $" { fail "did not return (double test)" }
timeout { fail "(timeout) did not return (double test)" }
}
setup_xfail "m6811-*-*"
gdb_test "next" "printf.*" "next over call to func3"
# This test also fails for sparc Solaris 2.3 & 2.4, but passes under 2.5
# At the time the `next' is issued, the floating point unit for the
# process is not yet initialized, and the storing of the floating
# point value to the floating point return register is ignored.
# Xfail it for current versions that are known to fail. Presumably
# if some future version does initialize the floating point unit at
# process start, making this test pass, it will be for a version that
# is not xfailed.
setup_xfail "sparc-*-solaris2.3*" "sparc-*-solaris2.4*" "m6811-*-*"
gdb_test "p tmp3" ".* = 5.*" "correct value returned double test (known problem with sparc solaris)"
}
set timeout 30
return_tests
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