50 lines
1.8 KiB
Text
50 lines
1.8 KiB
Text
# Copyright 2020-2022 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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# Test that a backtrace is shown correctly for an objfile that uses partial
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# symtabs created by another objfile sharing the same BFD.
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#
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# It mimics how a bug with psymtab sharing was initially found:
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#
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# 1. Load the test file twice, such that the second objfile re-uses the
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# per_bfd object created for the first objfile.
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# 2. Run to some point where in the backtrace there is a frame for a
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# function that's in a CU that's not yet read in.
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# 3. Check that this frame's information is complete in the "backtrace"
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# output.
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standard_testfile .c share-psymtabs-bt-2.c
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if { [prepare_for_testing "failed to prepare" $testfile "$srcfile $srcfile2" \
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{debug}] } {
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untested "failed to compile"
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return -1
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}
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# Load $binfile a second time. The second created objfile will re-use the
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# partial symtabs created by the first one.
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if { [gdb_file_cmd $binfile] != 0 } {
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fail "file command failed"
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return -1
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}
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gdb_breakpoint "bar"
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if { ![runto "bar"] } {
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return -1
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}
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# A buggy GDB would fail to find the full symbol associated to this frame's
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# address, so would just show "foo ()" (from the minimal symbol).
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gdb_test "bt" "foo \\(x=12345\\).*"
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