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PR27493, objcopy --weaken-symbol does not weaken undefined symbols

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PR 27493
	* objcopy.c (filter_symbols): Apply --weaken to undefined symbols.
	* NEWS: Mention feature.
This commit is contained in:
Alan Modra 2021-03-03 15:15:23 +10:30
parent 5789f845fb
commit fd5c076a06
3 changed files with 11 additions and 1 deletions
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6
binutils/ChangeLog
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@ -1,3 +1,9 @@
2021-03-03 Alan Modra <amodra@gmail.com>
PR 27493
* objcopy.c (filter_symbols): Apply --weaken to undefined symbols.
* NEWS: Mention feature.
2021-03-01 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/27486

3
binutils/NEWS
View File

@ -1,5 +1,8 @@
-*- text -*-
* objcopy --weaken, --weaken-symbol and --weaken-symbols now make undefined
symbols weak on targets that support weak symbols.
* Readelf and objdump can now display and use the contents of .debug_sup
sections.

3
binutils/objcopy.c
View File

@ -1673,7 +1673,8 @@ filter_symbols (bfd *abfd, bfd *obfd, asymbol **osyms,
if (keep)
{
if ((flags & BSF_GLOBAL) != 0
if (((flags & BSF_GLOBAL) != 0
|| undefined)
&& (weaken || is_specified_symbol (name, weaken_specific_htab)))
{
sym->flags &= ~ BSF_GLOBAL;