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3 Commits

Author SHA1 Message Date
Rui Ueyama cc1f10df5f Remove trailing whitespaces. 
llvm-svn: 276649
 2016-07-25 16:51:52 +00:00
Rafael Espindola a0a65f973a Use the plt entry as the address of some symbols. 
This is the function equivalent of a copy relocation.

Since functions are expected to change sizes, we cannot use copy
relocations. In situations where one would be needed, what is done
instead is:
* Create a plt entry
* Output an undefined symbol whose addr is the plt entry.

The dynamic linker makes sure any shared library uses the plt entry as
the function address.

llvm-svn: 260224
 2016-02-09 15:11:01 +00:00
George Rimar 02ca17906d [ELF] - Symbols from object files that override symbols in DSO are added to .dynsym table. 
Main executable did not export symbols that exist both in the main executable and in DSOs before this patch.
Symbols from object files that override symbols in DSO should be added to .dynsym table.

Differential revision: http://reviews.llvm.org/D16405

llvm-svn: 258672
 2016-01-25 08:44:38 +00:00