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When a global symbol is defined in COMDAT group, we shouldn't leave an undefined symbol in symbol table when the symbol section is discarded unless there is a reference to the symbol outside of COMDAT group. bfd/ PR ld/17550 * elf-bfd.h (elf_link_hash_entry): Update comments for indx, documenting that indx == -3 if symbol is defined in a discarded section. * elflink.c (elf_link_add_object_symbols): Set indx to -3 if symbol is defined in a discarded section. (elf_link_output_extsym): Strip a global symbol defined in a discarded section. ld/ PR ld/17550 * testsuite/ld-elf/pr17550-1.s: New file. * testsuite/ld-elf/pr17550-2.s: Likewise. * testsuite/ld-elf/pr17550-3.s: Likewise. * testsuite/ld-elf/pr17550-4.s: Likewise. * testsuite/ld-elf/pr17550a.d: Likewise. * testsuite/ld-elf/pr17550b.d: Likewise. * testsuite/ld-elf/pr17550c.d: Likewise. * testsuite/ld-elf/pr17550d.d: Likewise.
15 lines
477 B
Makefile
15 lines
477 B
Makefile
#source: pr17550-1.s
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#source: pr17550-2.s
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#ld: -r
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#readelf: -s --wide
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#notarget: alpha-*-* cr16-*-* crx-*-* d30v-*-* dlx-*-* i960-*-* pj*-*-*
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# Disabled on alpha because alpha has a different .set directive.
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# cr16 and crx use non-standard scripts with memory regions, which don't
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# play well with comdat group sections under ld -r. Generic linker
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# targets don't support comdat group sections.
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#failif
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#...
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+[0-9]+: +[0-9a-f]+ +0 +OBJECT +GLOBAL +DEFAULT +UND x_alias
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#...
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