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Diffstat (limited to 'gdb/testsuite/gdb.twreverse/consecutive-reverse.exp')
-rw-r--r-- | gdb/testsuite/gdb.twreverse/consecutive-reverse.exp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.twreverse/consecutive-reverse.exp b/gdb/testsuite/gdb.twreverse/consecutive-reverse.exp new file mode 100644 index 00000000000..96db3fc606a --- /dev/null +++ b/gdb/testsuite/gdb.twreverse/consecutive-reverse.exp @@ -0,0 +1,126 @@ +# Copyright 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/>. + +# Please email any bugs, comments, and/or additions to this file to: +# bug-gdb@prep.ai.mit.edu + +# Based on a file written by Michael Snyder. (msnyder@redhat.com) + +# +# Test breakpoints at consecutive instruction addresses. +# + +set testfile "consecutive-reverse" +set srcfile ${testfile}.c +set binfile ${objdir}/${subdir}/${testfile} + +if { [prepare_for_testing ${testfile}.exp $testfile $srcfile] } { + untested "${testfile}.exp" + return -1 +} + +runto main + +# FIXME 'record' command should say something so we know it's working. +gdb_test "record" "" "start recording" + +gdb_breakpoint foo +gdb_test "continue" "Breakpoint $decimal, foo .*" \ + "continue to breakpoint in foo" + +set foo1_addr 0 +set foo2_addr 0 +set stop_addr 0 + +send_gdb "x /2i \$pc\n" +gdb_expect { + global hex + global foo1_addr + global foo2_addr + global gdb_prompt + + -re "($hex).*\[\r\n\]+($hex).*$gdb_prompt $" { + set foo1_addr $expect_out(1,string) + set foo2_addr $expect_out(2,string) + pass "get breakpoint address for foo" + } + -re ".*$gdb_prompt $" { + fail "get breakpoint address for foo" + return 0; + } + timeout { + fail "get breakpoint address for foo (timeout)" + return 0; + } +} + +gdb_test "break \*$foo2_addr" "Breakpoint $decimal at $foo2_addr: file .*" \ + "set bp, 2nd instr" + +send_gdb "step\n" +gdb_expect { + -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" { + set stop_addr $expect_out(1,string) + if [eval expr "$foo2_addr == $stop_addr"] then { + pass "stopped at bp, 2nd instr" + } else { + fail "stopped at bp, 2nd instr (wrong address)" + } + } + -re ".*$gdb_prompt $" { + fail "stopped at bp, 2nd instr" + } + timeout { + fail "stopped at bp, 2nd instr (timeout)" + + } +} + +### +### +### + +# Set reverse execution direction +# FIXME: command needs to acknowledge, so we can test if it succeeded. + +gdb_test "set exec-dir reverse" "" "set reverse execution" + +# Now step backward and hope to hit the first breakpoint. + +set test_msg "stopped at bp in reverse, 1st instr" +gdb_test_multiple "step" "$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 $" { + send_gdb "print \$pc == $foo1_addr\n" + gdb_expect { + -re "$decimal = 1\[\r\n\]+$gdb_prompt $" { + pass "$test_msg" + } + -re "$decimal = 0\[\r\n\]+$gdb_prompt $" { + fail "$test_msg (wrong address)" + } + } + } + -re ".*$gdb_prompt $" { + fail "$test_msg" + } +} |