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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.
98 lines
3.2 KiB
Plaintext
98 lines
3.2 KiB
Plaintext
# Copyright 2017-2022 Free Software Foundation, Inc.
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#
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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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#
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# This file is part of the gdb testsuite.
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# Test single stepping through POWER8/ISA 2.07 atomic sequences beginning with
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# a lbarx/lharx/lqarx instruction and ending with a stbcx/sthcx/stqxc
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# instruction. Note that although lbarx, lharx, stbcx and sthcx instructions
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# were introduced in ISA 2.06, they were implemented only in POWER8 (ISA 2.07).
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if {![istarget "powerpc*"] || ![is_lp64_target]} {
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untested "skipping powerpc isa 207 atomic sequences test"
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return
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}
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standard_testfile .c .S
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if { [prepare_for_testing "failed to prepare" $testfile "$srcfile $srcfile2" \
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{debug quiet}] } {
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return -1
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}
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# The test proper. DISPLACED is true if we should try with displaced
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# stepping.
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proc do_test { displaced } {
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global decimal hex
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global gdb_prompt inferior_exited_re srcfile srcfile2
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if ![runto_main] then {
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return -1
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}
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gdb_test_no_output "set displaced-stepping $displaced"
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gdb_breakpoint "test_atomic_sequences" "Breakpoint $decimal at $hex" \
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"set the breakpoint at the start of the test function"
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gdb_test_multiple "continue" "Continue until lbarx/stbcx start breakpoint" {
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-re "$inferior_exited_re with code 01.\[\r\n\]+$gdb_prompt $" {
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unsupported "POWER8/ISA 2.07 atomic instructions not supported."
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return -1
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}
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-re "Continuing.*Breakpoint $decimal.*$gdb_prompt $" {
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pass "continue until test_atomic_sequences function"
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}
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}
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set bp1 [gdb_get_line_number "lbarx" "$srcfile2"]
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gdb_breakpoint "$bp1" "Breakpoint $decimal at $hex" \
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"set the breakpoint at the start of the lbarx/stbcx sequence"
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set bp2 [gdb_get_line_number "lharx" "$srcfile2"]
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gdb_breakpoint "$bp2" "Breakpoint $decimal at $hex" \
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"set the breakpoint at the start of the lharx/sthcx sequence"
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set bp3 [gdb_get_line_number "lqarx" "$srcfile2"]
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gdb_breakpoint "$bp3" "Breakpoint $decimal at $hex" \
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"set the breakpoint at the start of the lqarx/stqcx sequence"
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gdb_test continue "Continuing.*Breakpoint $decimal.*" \
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"continue until lbarx/stbcx start breakpoint"
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gdb_test nexti "bne.*1b" \
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"step through the lbarx/stbcx sequence"
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gdb_test continue "Continuing.*Breakpoint $decimal.*" \
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"continue until lharx/sthcx start breakpoint"
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gdb_test nexti "bne.*2b" \
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"step through the lharx/sthcx sequence"
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gdb_test continue "Continuing.*Breakpoint $decimal.*" \
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"continue until ldqrx/stqcx start breakpoint"
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gdb_test nexti "bne.*3b" \
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"step through the lqarx/stqcx sequence"
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}
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foreach displaced { "off" "on" } {
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with_test_prefix "displaced=$displaced" {
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do_test $displaced
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}
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}
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