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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.
81 lines
2.7 KiB
Plaintext
81 lines
2.7 KiB
Plaintext
# Copyright 2018-2022 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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# Check whether we can determine the size of an optimized-out vla.
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standard_testfile
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# The EXE_SUFFIX is a string appended to the name of the test binary
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# to make it unique per variation.
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# The OPTIONS is a two item list, the first item is a list of compiler
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# flags used for building the test binary, and the second item is a
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# pattern which matches some expected output within this proc.
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proc vla_optimized_out {exe_suffix options} {
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global testfile srcfile
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lassign $options compile_flags sizeof_result
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if { [prepare_for_testing "failed to prepare" "$testfile-$exe_suffix" $srcfile \
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$compile_flags] } {
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return -1
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}
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if ![runto f1] {
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return
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}
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gdb_test "p a" \
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" = <optimized out>" \
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"printed optimized out vla"
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gdb_test "p sizeof (a)" \
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" = ($sizeof_result)" \
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"printed size of optimized out vla"
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# At lower optimisation levels, the upper bound of the array is
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# still defined, it's just the loctaion that tells GDB the array
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# is optimised out. In that case, when we access an element that
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# is within the bounds of the array an answer of '<optimized out>'
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# is reasonable.
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#
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# At higher optimisation levels, the array bounds themselves have
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# been removed. As such GDB can't be expected to know if the
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# array contains _any_ elements at all. It seems reasonable in
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# that case to reply with 'no such vector element'.
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gdb_test "p a\[0\]" \
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"(= <optimized out>|no such vector element)" \
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"print out of range element of vla (0)"
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gdb_test "p a\[6\]" \
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"no such vector element" \
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"print out of range element of vla (6)"
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gdb_test "p a\[0xffffffff\]" \
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"no such vector element" \
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"print out of range element of vla (0xffffffff)"
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}
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foreach {test_prefix options} \
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{ "o1" {{debug optimize=-O1 additional_flags=-DNOCLONE} "6"} \
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"o3" {{debug optimize=-O3} "<optimized out>|6"} \
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"o3_strict" {{debug optimize=-O3 \
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additional_flags=-gstrict-dwarf} \
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"<optimized out>|6"}} {
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with_test_prefix $test_prefix {
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vla_optimized_out $test_prefix $options
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}
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}
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