375 lines
12 KiB
Text
375 lines
12 KiB
Text
# Copyright 2005-2014 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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if { [is_remote target] || ![isnative] } then {
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continue
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}
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# Until "set follow-fork-mode" and "catch fork" are implemented on
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# other targets...
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#
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if {![istarget "*-*-linux*"]} then {
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continue
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}
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standard_testfile .c
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set pi_txt [gdb_remote_download host ${srcdir}/${subdir}/pi.txt]
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if {[is_remote host]} {
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set copy1_txt copy1.txt
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} else {
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set copy1_txt [standard_output_file copy1.txt]
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}
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if {[prepare_for_testing ${testfile}.exp $testfile $srcfile \
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[list debug "additional_flags=-DPI_TXT=\"$pi_txt\" -DCOPY1_TXT=\"$copy1_txt\""]]} {
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untested checkpoint.exp
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return -1
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}
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global gdb_prompt
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#
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# This tests gdb checkpoint and restart.
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#
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runto_main
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set break1_loc [gdb_get_line_number "breakpoint 1"]
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set break2_loc [gdb_get_line_number "breakpoint 2"]
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set break3_loc [gdb_get_line_number "breakpoint 3"]
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set break4_loc [gdb_get_line_number "breakpoint 4"]
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gdb_breakpoint $break1_loc
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gdb_test "continue" "breakpoint 1.*" "break1 start"
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gdb_test "checkpoint" ".*" ""
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gdb_test "continue 10" "breakpoint 1.*" "break1 two"
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gdb_test "checkpoint" ".*" ""
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gdb_test "continue 10" "breakpoint 1.*" "break1 three"
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gdb_test "checkpoint" ".*" ""
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gdb_test "continue 10" "breakpoint 1.*" "break1 four"
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gdb_test "checkpoint" ".*" ""
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gdb_test "continue 10" "breakpoint 1.*" "break1 five"
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gdb_test "checkpoint" ".*" ""
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gdb_test "continue 10" "breakpoint 1.*" "break1 six"
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gdb_test "checkpoint" ".*" ""
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gdb_test "continue 10" "breakpoint 1.*" "break1 seven"
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gdb_test "checkpoint" ".*" ""
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gdb_test "continue 10" "breakpoint 1.*" "break1 eight"
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gdb_test "checkpoint" ".*" ""
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gdb_test "continue 10" "breakpoint 1.*" "break1 nine"
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gdb_test "checkpoint" ".*" ""
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gdb_test "continue 10" "breakpoint 1.*" "break1 ten"
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gdb_test "checkpoint" ".*" ""
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gdb_test "info checkpoints" \
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" 10 .* 9 .* 8 .* 7 .* 6 .* 5 .* 4 .* 3 .* 2 .* 1 .*" \
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"info checkpoints one"
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delete_breakpoints
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gdb_breakpoint $break2_loc
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gdb_test "continue" "breakpoint 2.*" "break2 one"
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gdb_test "restart 1" "Switching to .*breakpoint 1.*" "restart 1 one"
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gdb_test "print i" " = 78" "verify i 1 one"
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gdb_test "step" "if .c == EOF.*" "step in 1 one"
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gdb_test "print lines" " = 1.*" "verify lines 1 one"
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gdb_test "restart 2" "Switching to .*breakpoint 1.*" "restart 2 one"
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gdb_test "step" "if .c == EOF.*" "step in 2 one"
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gdb_test "print i + 1 == lines * 79" " = 1" "verify i 2 one"
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gdb_test "print lines" " = 11.*" "verify lines 2 one"
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gdb_test "restart 3" "Switching to .*breakpoint 1.*" "restart 3 one"
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gdb_test "step" "if .c == EOF.*" "step in 3 one"
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gdb_test "print i + 1 == lines * 79" " = 1" "verify i 3 one"
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gdb_test "print lines" " = 21.*" "verify lines 3 one"
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gdb_test "restart 4" "Switching to .*breakpoint 1.*" "restart 4 one"
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gdb_test "step" "if .c == EOF.*" "step in 4 one"
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gdb_test "print i + 1 == lines * 79" " = 1" "verify i 4 one"
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gdb_test "print lines" " = 31.*" "verify lines 4 one"
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gdb_test "restart 5" "Switching to .*breakpoint 1.*" "restart 5 one"
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gdb_test "step" "if .c == EOF.*" "step in 5 one"
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gdb_test "print i + 1 == lines * 79" " = 1" "verify i 5 one"
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gdb_test "print lines" " = 41.*" "verify lines 5 one"
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gdb_test "restart 6" "Switching to .*breakpoint 1.*" "restart 6 one"
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gdb_test "step" "if .c == EOF.*" "step in 6 one"
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gdb_test "print i + 1 == lines * 79" " = 1" "verify i 6 one"
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gdb_test "print lines" " = 51.*" "verify lines 6 one"
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gdb_test "restart 7" "Switching to .*breakpoint 1.*" "restart 7 one"
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gdb_test "step" "if .c == EOF.*" "step in 7 one"
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gdb_test "print i + 1 == lines * 79" " = 1" "verify i 7 one"
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gdb_test "print lines" " = 61.*" "verify lines 7 one"
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gdb_test "restart 8" "Switching to .*breakpoint 1.*" "restart 8 one"
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gdb_test "step" "if .c == EOF.*" "step in 8 one"
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gdb_test "print i + 1 == lines * 79" " = 1" "verify i 8 one"
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gdb_test "print lines" " = 71.*" "verify lines 8 one"
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gdb_test "restart 9" "Switching to .*breakpoint 1.*" "restart 9 one"
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gdb_test "step" "if .c == EOF.*" "step in 9 one"
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gdb_test "print i + 1 == lines * 79" " = 1" "verify i 9 one"
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gdb_test "print lines" " = 81.*" "verify lines 9 one"
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gdb_test "restart 10" "Switching to .*breakpoint 1.*" "restart 10 one"
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gdb_test "step" "if .c == EOF.*" "step in 10 one"
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gdb_test "print i + 1 == lines * 79" " = 1" "verify i 10 one"
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gdb_test "print lines" " = 91.*" "verify lines 10 one"
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#
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# Now let the files be closed by the original process,
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# and diff them.
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gdb_test "restart 0" "Switching to .*breakpoint 2.*" "restart 0 one"
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gdb_breakpoint $break3_loc
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gdb_test "continue" "breakpoint 3.*" "break3 one"
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gdb_test "shell diff -s $pi_txt $copy1_txt" \
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"Files .*pi.txt and .*copy1.txt are identical.*" \
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"Diff input and output one"
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#
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# And now run from various checkpoints, allowing
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# various amounts of input and output.
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#
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gdb_breakpoint $break1_loc
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gdb_test "restart 1" "Switching to .*c == EOF.*" "restart 1 two"
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gdb_test "continue" ".*" ""
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gdb_test "continue 100" "breakpoint 1.*" "breakpoint 1 1 one"
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gdb_test "step" "if .c == EOF.*" "step in 1 two"
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gdb_test "print lines" " = 102.*" "verify lines 1 two"
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gdb_test "restart 2" "Switching to .*c == EOF.*" "restart 2 two"
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gdb_test "continue" ".*" ""
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gdb_test "continue 100" "breakpoint 1.*" "breakpoint 1 2 one"
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gdb_test "step" "if .c == EOF.*" "step in 2 two"
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gdb_test "print lines" " = 112.*" "verify lines 2 two"
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gdb_test "restart 3" "Switching to .*c == EOF.*" "restart 3 two"
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gdb_test "continue" ".*" ""
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gdb_test "continue 500" "breakpoint 1.*" "breakpoint 1 3 one"
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gdb_test "step" "if .c == EOF.*" "step in 3 two"
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gdb_test "print lines" " = 522.*" "verify lines 3 two"
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gdb_test "restart 4" "Switching to .*c == EOF.*" "restart 4 two"
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gdb_test "continue" ".*" ""
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gdb_test "continue 500" "breakpoint 1.*" "breakpoint 1 4 one"
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gdb_test "step" "if .c == EOF.*" "step in 4 two"
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gdb_test "print lines" " = 532.*" "verify lines 4 two"
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gdb_test "restart 5" "Switching to .*c == EOF.*" "restart 5 two"
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gdb_test "continue" ".*" ""
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gdb_test "continue 1000" "breakpoint 1.*" "breakpoint 1 5 one"
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gdb_test "step" "if .c == EOF.*" "step in 5 two"
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gdb_test "print lines" " = 1042.*" "verify lines 5 two"
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gdb_test "restart 6" "Switching to .*c == EOF.*" "restart 6 two"
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gdb_test "continue" ".*" ""
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gdb_test "continue 1000" "breakpoint 1.*" "breakpoint 1 6 one"
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gdb_test "step" "if .c == EOF.*" "step in 6 two"
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gdb_test "print lines" " = 1052.*" "verify lines 5 two"
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gdb_test "restart 7" "Switching to .*c == EOF.*" "restart 7 two"
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gdb_test "continue" ".*" ""
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gdb_test "continue 1100" "breakpoint 1.*" "breakpoint 1 7 one"
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gdb_test "step" "if .c == EOF.*" "step in 7 two"
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gdb_test "print lines" " = 1162.*" "verify lines 7 two"
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gdb_test "shell diff -s $pi_txt $copy1_txt" \
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"Files .*pi.txt and .*copy1.txt are identical.*" \
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"Diff input and output two"
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#
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# OK, now allow the original program to delete the output file,
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# and verify that the checkpoints can still write to it.
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#
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gdb_test "restart 0" "Switching to .*breakpoint 3.*" "restart 0 one"
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gdb_breakpoint $break4_loc
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gdb_test "continue" "breakpoint 4.*" "break4 one"
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gdb_test "shell diff $pi_txt $copy1_txt" \
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"diff: .*copy1.txt: No such file or directory" \
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"delete copy1"
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delete_breakpoints
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gdb_breakpoint $break2_loc
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gdb_test "restart 1" "if .c == EOF.*" "restart 1 three"
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gdb_test "continue" "breakpoint 2.*" "break2 1 one"
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gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 1"
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gdb_test "restart 2" "if .c == EOF.*" "restart 2 three"
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gdb_test "continue" "breakpoint 2.*" "break2 2 one"
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gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 2"
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gdb_test "restart 3" "if .c == EOF.*" "restart 3 three"
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gdb_test "continue" "breakpoint 2.*" "break2 3 one"
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gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 3"
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gdb_test "restart 4" "if .c == EOF.*" "restart 4 three"
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gdb_test "continue" "breakpoint 2.*" "break2 4 one"
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gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 4"
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gdb_test "restart 5" "if .c == EOF.*" "restart 5 three"
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gdb_test "continue" "breakpoint 2.*" "break2 5 one"
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gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 5"
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gdb_test "restart 6" "if .c == EOF.*" "restart 6 three"
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gdb_test "continue" "breakpoint 2.*" "break2 6 one"
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gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 6"
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gdb_test "restart 7" "if .c == EOF.*" "restart 7 three"
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gdb_test "continue" "breakpoint 2.*" "break2 7 one"
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gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 7"
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gdb_test "restart 8" "if .c == EOF.*" "restart 8 three"
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gdb_test "continue" "breakpoint 2.*" "break2 8 one"
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gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 8"
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gdb_test "restart 9" "if .c == EOF.*" "restart 9 three"
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gdb_test "continue" "breakpoint 2.*" "break2 9 one"
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gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 9"
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gdb_test "restart 10" "if .c == EOF.*" "restart 10 three"
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gdb_test "continue" "breakpoint 2.*" "break2 10 one"
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gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 10"
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#
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# Now confirm that if one fork exits, we automatically switch to another one.
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#
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delete_breakpoints
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gdb_test "continue" \
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"Deleting copy.*$inferior_exited_re normally.*Switching to.*" \
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"Exit, dropped into next fork one"
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gdb_test "continue" \
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"Deleting copy.*$inferior_exited_re normally.*Switching to.*" \
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"Exit, dropped into next fork two"
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gdb_test "continue" \
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"Deleting copy.*$inferior_exited_re normally.*Switching to.*" \
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"Exit, dropped into next fork three"
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gdb_test "continue" \
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"Deleting copy.*$inferior_exited_re normally.*Switching to.*" \
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"Exit, dropped into next fork four"
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gdb_test "continue" \
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"Deleting copy.*$inferior_exited_re normally.*Switching to.*" \
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"Exit, dropped into next fork five"
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#
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# There should be still at least five forks left
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#
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gdb_test "info checkpoints" " 5 .* 4 .* 3 .* 2 .* 1 .*" \
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"info checkpoints two"
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#
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# Kill should now terminate all of them.
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#
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gdb_test "kill" "" "kill all one" \
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"Kill the program being debugged.*y or n. $" "y"
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#
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# and confirm that all are gone
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#
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gdb_test "restart 0" "Not found.*" "no more checkpoint 0"
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gdb_test "restart 1" "Not found.*" "no more checkpoint 1"
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gdb_test "restart 2" "Not found.*" "no more checkpoint 2"
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gdb_test "restart 3" "Not found.*" "no more checkpoint 3"
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gdb_test "restart 4" "Not found.*" "no more checkpoint 4"
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gdb_test "restart 5" "Not found.*" "no more checkpoint 5"
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gdb_test "restart 6" "Not found.*" "no more checkpoint 6"
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gdb_test "restart 7" "Not found.*" "no more checkpoint 7"
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gdb_test "restart 8" "Not found.*" "no more checkpoint 8"
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gdb_test "restart 9" "Not found.*" "no more checkpoint 9"
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gdb_test "restart 10" "Not found.*" "no more checkpoint 10"
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#
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# Now let's try setting a large number of checkpoints (>600)
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#
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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runto_main
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gdb_breakpoint $break1_loc
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gdb_test "commands\nsilent\nif (lines % 2)\ncheckpoint\nend\n continue\nend" \
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"" \
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"set checkpoint breakpoint"
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set prev_timeout $timeout
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set timeout [expr $timeout + 120]
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verbose "Timeout now $timeout sec."
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gdb_breakpoint $break2_loc
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gdb_test "continue" "breakpoint 2.*" "break2 with many checkpoints"
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set count 0
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set msg "info checkpoints with at least 600 checkpoints"
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gdb_test_multiple "info checkpoints" $msg {
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-re " $decimal process \[^\r\]*\r\n" {
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incr count
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exp_continue
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}
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-re "$gdb_prompt $" {
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if { $count >= 600 } {
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pass $msg
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} else {
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fail $msg
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}
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}
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}
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#
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# OK, kill 'em all...
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#
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gdb_test "kill" "" "kill all one with many checkpoints" \
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"Kill the program being debugged.*y or n. $" "y"
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# Restore old timeout
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set timeout $prev_timeout
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verbose "Timeout now $timeout sec."
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#
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# Finished: cleanup
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#
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remote_exec host "rm -f $pi_txt"
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