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Since only the GNU_PROPERTY_X86_UINT32_VALID bit may be set in data-only relocatable objects which don't contain any instructions, linker shouldn't mask out the GNU_PROPERTY_X86_UINT32_VALID bit when merging GNU_PROPERTY_X86_XXX bits. Otherwise, linker output doesn't contain GNU_PROPERTY_X86_XXX property with any data-only relocatable inputs. This patch keeps the GNU_PROPERTY_X86_UINT32_VALID bit and updates readelf to print "<None>" if GNU_PROPERTY_X86_XXX property only has the GNU_PROPERTY_X86_UINT32_VALID bit. bfd/ * elfxx-x86.c (_bfd_x86_elf_parse_gnu_properties): Don't mask out the GNU_PROPERTY_X86_UINT32_VALID bit. binutils/ * readelf.c (decode_x86_isa): Print <None> if bitmask only contains the GNU_PROPERTY_X86_UINT32_VALID bit. (decode_x86_feature_1): Likewise. (decode_x86_feature_2): Likewise. (print_gnu_property_note): Don't mask out the GNU_PROPERTY_X86_UINT32_VALID bit. * testsuite/binutils-all/i386/pr21231b.d: Updated. * testsuite/binutils-all/x86-64/pr21231b.d: Likewise. gas/ * testsuite/gas/i386/i386.exp: Run property-1 and x86-64-property-1. * testsuite/gas/i386/property-1.d: New file. * testsuite/gas/i386/property-1.s: Likewise. * testsuite/gas/i386/x86-64-property-1.d: Likewise. ld/ * testsuite/ld-i386/i386.exp: Run property-x86-5. * testsuite/ld-i386/property-x86-5.d: New file. * testsuite/ld-x86-64/property-x86-5-x32.d: Likewise. * testsuite/ld-x86-64/property-x86-5.d: Likewise. * testsuite/ld-x86-64/property-x86-5a.s: Likewise. * testsuite/ld-x86-64/property-x86-5b.s: Likewise. * testsuite/ld-x86-64/x86-64.exp: Run property-x86-5 and property-x86-5-x32.
12 lines
311 B
Makefile
12 lines
311 B
Makefile
#source: property-x86-5a.s
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#source: property-x86-5b.s
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#as: --x32
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#ld: -m elf32_x86_64
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#readelf: -n
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Displaying notes found in: .note.gnu.property
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Owner Data size Description
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GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
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Properties: x86 ISA needed: CMOV
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x86 ISA used: <None>
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