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c39c86378f
When running test-case gdb.dwarf2/fission-reread.exp with target board
cc-with-gdb-index, we run into:
...
gdb compile failed, warning: Could not find DWO TU \
fission-reread.dwo(0x9022f1ceac7e8b19) referenced by TU at offset 0x0 \
[in module outputs/gdb.dwarf2/fission-reread/fission-reread]
...
The problem is that the .dwo file is not found.
There's code added in the .exp file to make sure the .dwo can be found:
...
# Make sure we can find the .dwo file, regardless of whether we're
# running in parallel mode.
gdb_test_no_output "set debug-file-directory [file dirname $binfile]" \
"set debug-file-directory"
...
This works normally, but not for the gdb invocation done by cc-with-tweaks.sh
for target board cc-with-gdb-index.
Fix this by finding the full path to the .dwo file and passing it
to the compilation.
Tested on x86_64-linux with native and target boards cc-with-gdb-index,
cc-with-debug-names and readnow.
gdb/testsuite/ChangeLog:
2021-02-01 Tom de Vries <tdevries@suse.de>
* gdb.dwarf2/fission-base.S: Pass -DDWO=$dwo.
* gdb.dwarf2/fission-loclists-pie.S: Same.
* gdb.dwarf2/fission-loclists.S: Same.
* gdb.dwarf2/fission-multi-cu.S: Same.
* gdb.dwarf2/fission-reread.S: Same.
* gdb.dwarf2/fission-base.exp: Use DWO.
* gdb.dwarf2/fission-loclists-pie.exp: Same.
* gdb.dwarf2/fission-loclists.exp: Same.
* gdb.dwarf2/fission-multi-cu.exp: Same.
* gdb.dwarf2/fission-reread.exp: Same.
57 lines
1.6 KiB
Plaintext
57 lines
1.6 KiB
Plaintext
# Copyright 2016-2021 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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#
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# This testcase exercises PR symtab/19999.
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# For Fission, while we shouldn't add the DWARF base address to addresses
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# coming from .debug_addr, will still need to add the base offset in case
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# we're debugging a PIE executable.
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load_lib dwarf.exp
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# We run objcopy locally to split out the .dwo file.
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if [is_remote host] {
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return 0
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}
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# This test can only be run on targets which support DWARF-2 and use gas.
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if ![dwarf2_support] {
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return 0
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}
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# This test can only be run on x86-64 targets.
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if {![istarget x86_64-*] || ![is_lp64_target]} {
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return 0
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}
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standard_testfile .S
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set dwo [standard_output_file "fission-loclists-pie.dwo"]
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if [build_executable_from_fission_assembler \
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"$testfile.exp" "$binfile" "$srcfile" \
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[list "nodebug" "ldflags=-pie" additional_flags=-DDWO=$dwo]] {
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return -1
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}
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clean_restart $binfile
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if ![runto_main] {
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return -1
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}
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# Verify gdb can find argc.
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gdb_test "p argc" " = 1"
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