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When running test-case gdb.base/with.exp with target board cc-with-gdb-index,
we have:
...
(gdb) PASS: gdb.base/with.exp: basics: show language
with language ada -- print g_s^M
'g_s' has unknown type; cast it to its declared type^M
(gdb) FAIL: gdb.base/with.exp: basics: with language ada -- print g_s
...
This is due to this bit in dw2_map_matching_symbols:
...
if (dwarf2_per_objfile->index_table != nullptr)
{
/* Ada currently doesn't support .gdb_index (see PR24713). We can get
here though if the current language is Ada for a non-Ada objfile
using GNU index. As Ada does not look for non-Ada symbols this
function should just return. */
return;
}
...
While the reasoning in the comment may be sound from language perspective, it
does introduce an inconsistency in gdb behaviour between:
- having a .gdb_index section, and
- having a .gdb_names section, or a partial symtab, or -readnow.
Fix the inconsistency by completing implementation of
dw2_map_matching_symbols.
Tested on x86_64-linux, both with native and target board
cc-with-debug-index.
gdb/ChangeLog:
2020-05-20 Tom de Vries <tdevries@suse.de>
PR symtab/25833
* dwarf2/read.c (dw2_map_matching_symbols): Handle .gdb_index.
gdb/testsuite/ChangeLog:
2020-05-20 Tom de Vries <tdevries@suse.de>
PR symtab/25833
* gdb.base/with-mf-inc.c: New test.
* gdb.base/with-mf-main.c: New test.
* gdb.base/with-mf.exp: New file.
35 lines
1.1 KiB
Plaintext
35 lines
1.1 KiB
Plaintext
# This testcase is part of GDB, the GNU debugger.
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# Copyright 2020 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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# Test .gdb_index in ada language mode.
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standard_testfile with-mf-main.c with-mf-inc.c
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if {[prepare_for_testing "failed to prepare" $testfile "$srcfile $srcfile2" \
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debug]} {
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return -1
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}
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if { [ensure_gdb_index $binfile] == -1 } {
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return -1
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}
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clean_restart $binfile
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gdb_test "with language ada -- print g_s" \
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" = \\(a => 1, b => 2, c => 3\\)"
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