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objcopy --weaken-symbol: apply to STB_GNU_UNIQUE symbols

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PR binutils/28926
    * objcopy.c (filter_symbols): Apply weaken to STB_GNU_UNIQUE symbols
    * NEWS: Mention feature.
    * testsuite/binutils-all/objcopy.exp (objcopy_test_symbol_manipulation): New test.
    * testsuite/binutils-all/weaken-gnu-unique.s: New.
This commit is contained in:
Fangrui Song
2022-03-16 09:38:37 -07:00
parent b1b9c4115e
commit 260ecdcec4
5 changed files with 24 additions and 2 deletions
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4
binutils/testsuite/binutils-all/objcopy.exp
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@ -1144,6 +1144,10 @@ proc objcopy_test_symbol_manipulation {} {
verbose [file rootname $t]
run_dump_test [file rootname $t]
}
if { [supports_gnu_unique] } {
run_dump_test "weaken-gnu-unique"
}
}
proc objcopy_test_elf_common_symbols {} {

8
binutils/testsuite/binutils-all/weaken-gnu-unique.d Normal file
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@ -0,0 +1,8 @@
#name: weaken STB_GNU_UNIQUE symbols
#PROG: objcopy
#objcopy: -W foo
#source: unique.s
#readelf: -s
#...
+[0-9]+: +[0-9a-f]+ +[0-9]+ +OBJECT +WEAK +DEFAULT +[1-9] foo