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44 lines
1.9 KiB
Makefile
44 lines
1.9 KiB
Makefile
#source: dso-4.s
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#source: dso-2b.s
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#source: dso-1c.s
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#as: --pic --no-underscore --em=criself -I$srcdir/$subdir
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#ld: --shared -m crislinux
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#readelf: -s -r
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# PR 16044 is about a (compile-time-non-local) hidden function symbol,
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# entered as an undef reference with a R_CRIS_32_PLT_GOTREL relocation
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# referring to a hidden symbol, later defined. Here, we invalidly
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# incremented the h->plt.refcount (from -1) as part of that relocation
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# processing. There are some PLTGOT relocations. As there are no
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# circumstances requiring a PLT entry for this symbol, its PLT entry
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# can be eliminated and the PLTGOT relocations can be made to a static
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# element in the GOT, relocated with the absolute-to-relative
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# R_CRIS_RELATIVE relocation without symbol lookup. As part of
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# eliminating unneeded PLT entries (and PLTGOT to "static" GOT
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# elimination), a later pass noticed the inconsistency through an
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# assert.
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#
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# The key points in this dump that may need future adjustments are the
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# single dynamic relocation, that the dsofn symbol it points to, is
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# local, its absence from the dynamic symbol table and that the
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# relocation and symbol values match.
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Relocation section '\.rela\.dyn' at offset 0x[0-9a-f]+ contains 1 entries:
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Offset[ ]+Info[ ]+Type[ ]+Sym\.Value Sym\. Name \+ Addend
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[0-9a-f]+ 0+[0-9a-f]+ R_CRIS_RELATIVE[ ]+184
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Symbol table '\.dynsym' contains 7 entries:
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+Num: +Value +Size +Type +Bind +Vis +Ndx +Name
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+0: 0+ +0 +NOTYPE +LOCAL +DEFAULT +UND
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+1: [0-9a-f]+ +0 +SECTION +LOCAL +DEFAULT +5
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+2: [0-9a-f]+ +0 +FUNC +GLOBAL +DEFAULT +5 export_1
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+3: [0-9a-f]+ +0 +NOTYPE +GLOBAL +DEFAULT +7 __bss_start
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+4: [0-9a-f]+ +0 +NOTYPE +GLOBAL +DEFAULT +7 _edata
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+5: [0-9a-f]+ +0 +NOTYPE +GLOBAL +DEFAULT +7 _end
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+6: [0-9a-f]+ +0 +FUNC +GLOBAL +DEFAULT +5 export_2
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Symbol table '\.symtab' contains [0-9]+ entries:
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#...
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+[0-9]+: 0+184 +2 FUNC + LOCAL + DEFAULT + 5 dsofn
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#...
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