mirror of
https://sourceware.org/git/binutils-gdb.git
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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
267 lines
6.5 KiB
Plaintext
267 lines
6.5 KiB
Plaintext
# Copyright 2008-2022 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 reverse stepping.
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# Lots of code borrowed from "step-test.exp".
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#
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# Test step and next in reverse
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#
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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 "failed to prepare" $testfile $srcfile] } {
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return -1
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}
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runto_main
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if [supports_process_record] {
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# Activate process record/replay
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gdb_test_no_output "record" "turn on process record"
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}
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# plain vanilla step/next (no count)
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gdb_test "next" ".*NEXT TEST 1.*" "next test 1"
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gdb_test "step" ".*STEP TEST 1.*" "step test 1"
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# step/next with count
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gdb_test "next 2" ".*NEXT TEST 2.*" "next test 2"
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gdb_test "step 3" ".*STEP TEST 2.*" "step test 2"
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# step over call
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gdb_test "step" ".*NEXT OVER THIS CALL.*" "step up to call"
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gdb_test "next" ".*STEP INTO THIS CALL.*" "next over call"
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# step into call
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gdb_test "step" ".*ARRIVED IN CALLEE.*" "step into call"
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# finish out of call
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set test_message "finish out of fn call"
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gdb_test_multiple "finish" "$test_message" {
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-re "FINISH TEST.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "STEP INTO THIS CALL.*$gdb_prompt $" {
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send_gdb "step\n"
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exp_continue
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}
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}
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# stepi over flat code (no calls)
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set test_message "simple stepi"
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gdb_test_multiple "stepi" "$test_message" {
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-re "STEPI TEST.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "FINISH TEST.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "NEXTI TEST.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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}
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# stepi into a function call
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set alphanum_re "\[a-zA-Z0-9\]"
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set pic_thunk_re "__$alphanum_re*\\.get_pc_thunk\\.$alphanum_re* \\(\\)"
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set test_message "stepi into function call"
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gdb_test_multiple "stepi" "$test_message" {
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-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "NEXTI TEST.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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-re "RETURN FROM CALLEE.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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-re "ENTER CALLEE.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "STEPI TEST.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "$pic_thunk_re.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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}
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# stepi thru return of a function call
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set test_message "stepi back from function call"
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gdb_test_multiple "stepi" "$test_message" {
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-re "NEXTI TEST.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "RETURN FROM CALLEE.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "STEPI TEST.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "ENTER CALLEE.*$gdb_prompt $" {
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fail "$test_message (too far)"
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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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# stepi backward thru return and into a function
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set stepi_location [gdb_get_line_number "ARRIVED IN CALLEE" "$srcfile"]
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set test_message "reverse stepi thru function return"
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gdb_test_multiple "stepi" "$test_message" {
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-re "NEXTI TEST.*$gdb_prompt $" {
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fail "$test_message (start statement)"
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}
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-re "RETURN FROM CALLEE.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "$hex\[ \t\]*$stepi_location.*ARRIVED IN CALLEE.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "ENTER CALLEE.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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-re "STEPI TEST.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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}
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# stepi backward out of a function call
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set stepi_location [gdb_get_line_number "STEPI TEST" "$srcfile"]
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set test_message "reverse stepi from a function call"
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gdb_test_multiple "stepi" "$test_message" {
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-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
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fail "$test_message (start statement)"
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}
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-re "ENTER CALLEE.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "$pic_thunk_re.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "${hex} in main .*:$stepi_location.*STEPI TEST.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "STEPI TEST.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "STEP INTO THIS CALL.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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}
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# stepi backward over flat code (no calls)
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set stepi_location [gdb_get_line_number "FINISH TEST" "$srcfile"]
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set test_message "simple reverse stepi"
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gdb_test_multiple "stepi" "$test_message" {
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-re "STEPI TEST.*$gdb_prompt $" {
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fail "$test_message (start statement)"
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}
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-re "$hex\[ \t\]*$stepi_location.* FINISH TEST.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "$stepi_location.* FINISH TEST.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "STEP INTO THIS CALL.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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}
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# step backward into function (thru return)
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gdb_test "step" "(RETURN FROM CALLEE|ARRIVED IN CALLEE).*" \
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"reverse step into fn call"
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# step backward out of called function (thru call)
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set test_message "reverse step out of called fn"
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gdb_test_multiple "step" "$test_message" {
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-re "STEP INTO THIS CALL.*.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
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send_gdb "step\n"
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exp_continue
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}
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-re "ENTER CALLEE.*$gdb_prompt $" {
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send_gdb "step\n"
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exp_continue
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}
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}
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# next backward over call
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gdb_test "next" ".*NEXT OVER THIS CALL.*" "reverse next over call"
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# step/next backward with count
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gdb_test "step 3" ".*REVERSE STEP TEST 1.*" "reverse step test 1"
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gdb_test "next 2" ".*REVERSE NEXT TEST 1.*" "reverse next test 1"
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# step/next backward without count
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gdb_test "step" ".*STEP TEST 1.*" "reverse step test 2"
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gdb_test "next" ".*NEXT TEST 1.*" "reverse next test 2"
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# Finish test by running forward to the end.
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# FIXME return to this later...
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# gdb_test_no_output "set exec-dir forward" "set forward execution"
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# gdb_continue_to_end "step-reverse.exp"
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