90 lines
3 KiB
Text
90 lines
3 KiB
Text
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# Copyright 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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# Tests side-effects of sizeof evaluation.
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# Based on gcc/testsuite/gcc.dg/vla-4.c; vla-15.c
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standard_testfile
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if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
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return -1
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}
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if ![runto_main] {
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return -1
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}
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gdb_breakpoint [gdb_get_line_number "vla-filled"]
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gdb_continue_to_breakpoint "vla-filled"
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# Check side effects for sizeof argument.
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set sizeof_int [get_sizeof "int" 4]
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set sizeof_vla [ expr "10" * "$sizeof_int" ]
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gdb_test "print sizeof (vla1\[i++\])" " = ${sizeof_int}" \
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"print sizeof (vla1\[i++\])"
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gdb_test "print i" " = 0" \
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"print i - sizeof no side effects"
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gdb_test "print sizeof (++vla1\[0\])" " = ${sizeof_int}" \
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"print sizeof (++vla1\[0\])"
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gdb_test "print vla1\[0\]" " = 10" \
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"print vla1\[0\] - sizeof no side effects"
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gdb_test "ptype ++vla1\[0\]" "type = int" "ptype ++vla1\[0\]"
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gdb_test "print vla1\[0\]" " = 10" \
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"print vla1\[0\] - ptype no side effects"
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gdb_test "whatis ++vla1\[0\]" "type = int" "whatis ++vla1\[0\]"
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gdb_test "print vla1\[0\]" " = 10" \
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"print vla1\[0\] - whatis no side effects"
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gdb_test "print sizeof (vla2\[i++\])" " = ${sizeof_vla}" \
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"print sizeof (vla2\[i++\])"
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gdb_test "print i" " = 1" \
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"print i - sizeof with side effects (1)"
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gdb_test "print sizeof (vla2\[i++ + sizeof(j++)\])" " = ${sizeof_vla}" \
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"print sizeof (vla2\[i++ + sizeof(j++)\])"
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gdb_test "print i" " = 2" \
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"print i - sizeof with side effects (2)"
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gdb_test "print j" " = 0" \
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"print j - sizeof with no side effects"
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gdb_test "ptype vla2\[i++\]" "type = int \\\[10\\\]" \
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"ptype vla2\[i++\]"
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gdb_test "print i" " = 2" \
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"print i - ptype with side effects (1)"
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gdb_test "ptype vla2\[i++ + sizeof(j++)\]" "type = int \\\[10\\\]" \
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"ptype vla2\[i++ + sizeof(j++)\]"
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gdb_test "print i" " = 2" \
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"print i - ptype with side effects (2)"
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gdb_test "print j" " = 0" \
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"print j - ptype with no side effects"
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gdb_test "whatis vla2\[i++\]" "type = int \\\[10\\\]" \
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"whatis vla2\[i++\]"
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gdb_test "print i" " = 2" \
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"print i - whatis with side effects (1)"
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gdb_test "whatis vla2\[i++ + sizeof(j++)\]" "type = int \\\[10\\\]" \
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"whatis vla2\[i++ + sizeof(j++)\]"
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gdb_test "print i" " = 2" \
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"print i - whatis with side effects (2)"
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gdb_test "print j" " = 0" \
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"print j - whatis with no side effects"
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