Cary Coutant 1707f18344 Fix problem where TLS common symbols are not allocated properly during LTO.
The plugin API doesn't provide a way for the claimed file handler to
identify a TLS symbol, so when adding a common TLS symbol, gold
mistakenly places the symbol in the non-TLS commons list, and does
not override it when we see the replacement symbol that is marked
as TLS. Consequently, we allocate the TLS common symbol as a regular
common, and, if it's the only TLS in the program, we'll give an
internal error because we haven't allocated a TLS segment.

This patch fixes the problem by removing an exclusion where common
symbols would not override the placeholder symbols, but checking to
see if the size needs adjusting (the original reason for the exclusion).
Furthermore, we need to avoid putting placeholder symbols in the common
list, and wait until we see a real common symbol with a type we can
trust.

gold/
	PR gold/17432
	* resolve.cc (Symbol_table::resolve): Override common placeholder
	symbols, but adjust sizes.
	* symtab.cc (Symbol_table::add_from_object): Don't add placeholder
	symbols to common lists.
2014-09-25 21:49:42 -07:00
2014-09-26 09:30:35 +09:30
2010-09-27 21:01:18 +00:00
2014-09-22 19:04:48 +09:30
2014-08-28 11:59:09 +01:00
2014-09-12 14:25:15 +01:00
2014-09-12 14:25:15 +01:00
2014-09-12 14:25:15 +01:00
2014-02-06 11:01:57 +01:00

		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
debuggers, etc., plus their support routines, definitions, and documentation.

If you are receiving this as part of a GDB release, see the file gdb/README.
If with a binutils release, see binutils/README;  if with a libg++ release,
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