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Revisão0f2cd53cf4f730136e2b275e8279d8bc348a9a88 (tree)
Hora2022-10-25 21:14:34
AutorTom de Vries <tdevries@suse...>
CommiterTom de Vries

Mensagem de Log

[gdb/testsuite] Handle missing .note.GNU-stack

On openSUSE Tumbleweed I run into this for the dwarf assembly test-cases, and
some hardcoded assembly test-cases:
...

Running gdb.dwarf2/fission-absolute-dwo.exp ...
gdb compile failed, ld: warning: fission-absolute-dwo.o: \
missing .note.GNU-stack section implies executable stack
ld: NOTE: This behaviour is deprecated and will be removed in a future \
version of the linker
=== gdb Summary ===
# of untested testcases 1

...

Fix the dwarf assembly test-cases by adding the missing .note.GNU-stack in
proc Dwarf::assemble.

Fix the hard-coded test-cases using this command:
...
$ for f in $(find gdb/testsuite/gdb.* -name *.S); do

if ! grep -q note.GNU-stack $f; then
echo -e "\t.section\t.note.GNU-stack,\"\",@progbits" >> $f;
fi;
done

...

Likewise for .s files, and gdb/testsuite/lib/my-syscalls.S.

The idiom for arm seems to be to use %progbits instead, see commit 9a5911c08be
("gdb/testsuite/gdb.dwarf2: Replace @ with % for ARM compatability"), so
hand-edit gdb/testsuite/gdb.arch/arm-disp-step.S to use %progbits instead.

Note that dwarf assembly testcases use %progbits as decided by proc _section.

Tested on x86_64-linux.

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=29674

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