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65a33d75c2
The canonical form of 'if' in modern TCL is 'if {} {}'. But there's
still a bunch of places in the testsuite where we make use of the
'then' keyword, and sometimes these get copies into new tests, which
just spreads poor practice.
This commit removes all use of the 'then' keyword from the gdb.base/
test script directory.
There should be no changes in what is tested after this commit.
96 lines
3.1 KiB
Plaintext
96 lines
3.1 KiB
Plaintext
# Copyright 2004-2022 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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# The program sigaltstack.c creates a backtrace containing nested
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# signal handlers on an alternative stack. This in turn leads to a
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# non-contiguous (and possibly non-monotonic) backtrace - stack
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# address jump at the normal-alt stack boundary.
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# This test confirms that GDB can both backtrace through and finish
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# such a stack.
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if [target_info exists gdb,nosignals] {
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verbose "Skipping sigaltstack.exp because of nosignals."
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return
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}
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standard_testfile .c
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested "failed to compile"
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return -1
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}
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# get things started
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clean_restart ${binfile}
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# Pass all the alarms straight through (but verbosely)
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gdb_test "handle SIGALRM print pass nostop"
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gdb_test "handle SIGVTALRM print pass nostop"
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gdb_test "handle SIGPROF print pass nostop"
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# Advance to main
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if {![runto_main]} {
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return 0
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}
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# Stop in handle, when at the inner most level
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gdb_test "break catcher if level == INNER"
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gdb_test "continue" ".* catcher .*" "continue to catch"
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# step off the assignment
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gdb_test "next"
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# Full backtrace?
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gdb_test_sequence "bt" "backtrace" {
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"\[\r\n\]+.0 \[^\r\n\]* catcher "
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"\[\r\n\]+.1 .signal handler called."
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"\[\r\n\]+.2 \[^\r\n\]* thrower .next_level=INNER"
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"\[\r\n\]+.3 \[^\r\n\]* catcher "
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"\[\r\n\]+.4 .signal handler called."
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"\[\r\n\]+.5 \[^\r\n\]* thrower .next_level=OUTER"
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"\[\r\n\]+.6 \[^\r\n\]* catcher "
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"\[\r\n\]+.7 \[^\r\n\]* main "
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}
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proc finish_test { pattern msg } {
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global gdb_prompt
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gdb_test_multiple "finish" $msg {
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-re "Cannot insert breakpoint 0.*${gdb_prompt} $" {
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# Some platforms use a special read-only page for signal
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# trampolines. We can't set a breakpoint there, and we
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# don't gracefully fall back to single-stepping.
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setup_kfail gdb/8841 "i?86-*-linux*"
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setup_kfail gdb/8841 "*-*-openbsd*"
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setup_kfail gdb/8841 "nios2-*-linux*"
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fail "$msg (could not set breakpoint)"
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}
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-re "$pattern.*${gdb_prompt} $" {
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pass $msg
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}
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}
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}
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# Finish?
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finish_test "signal handler called." "finish from catch LEAF"
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finish_test "thrower .next_level=INNER, .*" "finish to throw INNER"
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finish_test "catcher .*" "finish to catch INNER"
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finish_test "signal handler called.*" "finish from catch INNER"
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finish_test "thrower .next_level=OUTER, .*" "finish to OUTER"
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finish_test "catcher .*" "finish to catch MAIN"
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finish_test "main .*" "finish to MAIN"
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