97 lines
2.6 KiB
Text
97 lines
2.6 KiB
Text
# Copyright 2008-2016 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file is part of the GDB testsuite. It tests stepping over
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# consecutive instructions in reverse.
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if ![supports_reverse] {
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return
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}
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standard_testfile
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if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
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return -1
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}
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runto main
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if [supports_process_record] {
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# Activate process record/replay
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gdb_test_no_output "record" "Turn on process record"
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}
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gdb_breakpoint foo
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gdb_test "continue" "Breakpoint $decimal, foo .*" \
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"continue to breakpoint in foo"
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set foo1_addr 0
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set foo2_addr 0
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set stop_addr 0
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gdb_test_multiple "x /2i \$pc" "get breakpoint address for foo" {
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global hex
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global foo1_addr
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global foo2_addr
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global gdb_prompt
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-re "=> ($hex).*\[\r\n\]+ ($hex).*$gdb_prompt $" {
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set foo1_addr $expect_out(1,string)
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set foo2_addr $expect_out(2,string)
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pass "get breakpoint address for foo"
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}
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}
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gdb_test "break \*$foo2_addr" "Breakpoint $decimal at $foo2_addr: file .*" \
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"set bp, 2nd instr"
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set testmsg "stopped at bp, 2nd instr"
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gdb_test_multiple "step" $testmsg {
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-re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
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set stop_addr $expect_out(1,string)
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if [eval expr "$foo2_addr == $stop_addr"] then {
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pass "stopped at bp, 2nd instr"
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} else {
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fail "stopped at bp, 2nd instr (wrong address)"
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}
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}
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}
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###
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###
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###
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# Set reverse execution direction
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gdb_test_no_output "set exec-dir reverse" "set reverse execution"
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# Now step backward and hope to hit the first breakpoint.
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set test_msg "stopped at bp in reverse, 1st instr"
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gdb_test_multiple "step" "$test_msg" {
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-re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
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set stop_addr $expect_out(1,string)
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if [eval expr "$foo1_addr == $stop_addr"] then {
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pass "$test_msg"
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} else {
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fail "$test_msg (wrong address)"
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}
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}
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-re "Breakpoint $decimal, foo.*$gdb_prompt $" {
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gdb_test "print \$pc == $foo1_addr" \
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"$decimal = 1" \
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"$test_msg"
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}
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}
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