97 lines
2.6 KiB
Text
97 lines
2.6 KiB
Text
# Copyright 2008-2015 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 is part of the GDB testsuite. It tests stepping over
|
|
# consecutive instructions in reverse.
|
|
|
|
if ![supports_reverse] {
|
|
return
|
|
}
|
|
|
|
standard_testfile
|
|
|
|
if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
|
|
return -1
|
|
}
|
|
|
|
runto main
|
|
|
|
if [supports_process_record] {
|
|
# Activate process record/replay
|
|
gdb_test_no_output "record" "Turn on process record"
|
|
}
|
|
|
|
gdb_breakpoint foo
|
|
gdb_test "continue" "Breakpoint $decimal, foo .*" \
|
|
"continue to breakpoint in foo"
|
|
|
|
set foo1_addr 0
|
|
set foo2_addr 0
|
|
set stop_addr 0
|
|
|
|
gdb_test_multiple "x /2i \$pc" "get breakpoint address for foo" {
|
|
global hex
|
|
global foo1_addr
|
|
global foo2_addr
|
|
global gdb_prompt
|
|
|
|
-re "=> ($hex).*\[\r\n\]+ ($hex).*$gdb_prompt $" {
|
|
set foo1_addr $expect_out(1,string)
|
|
set foo2_addr $expect_out(2,string)
|
|
pass "get breakpoint address for foo"
|
|
}
|
|
}
|
|
|
|
gdb_test "break \*$foo2_addr" "Breakpoint $decimal at $foo2_addr: file .*" \
|
|
"set bp, 2nd instr"
|
|
|
|
set testmsg "stopped at bp, 2nd instr"
|
|
gdb_test_multiple "step" $testmsg {
|
|
-re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
|
|
set stop_addr $expect_out(1,string)
|
|
if [eval expr "$foo2_addr == $stop_addr"] then {
|
|
pass "stopped at bp, 2nd instr"
|
|
} else {
|
|
fail "stopped at bp, 2nd instr (wrong address)"
|
|
}
|
|
}
|
|
}
|
|
|
|
###
|
|
###
|
|
###
|
|
|
|
# Set reverse execution direction
|
|
|
|
gdb_test_no_output "set exec-dir reverse" "set reverse execution"
|
|
|
|
# Now step backward and hope to hit the first breakpoint.
|
|
|
|
set test_msg "stopped at bp in reverse, 1st instr"
|
|
gdb_test_multiple "step" "$test_msg" {
|
|
-re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
|
|
set stop_addr $expect_out(1,string)
|
|
if [eval expr "$foo1_addr == $stop_addr"] then {
|
|
pass "$test_msg"
|
|
} else {
|
|
fail "$test_msg (wrong address)"
|
|
}
|
|
}
|
|
-re "Breakpoint $decimal, foo.*$gdb_prompt $" {
|
|
gdb_test "print \$pc == $foo1_addr" \
|
|
"$decimal = 1" \
|
|
"$test_msg"
|
|
}
|
|
}
|