baseline_symbols.txt: New file.

	* config/abi/sparc-linux-gnu/baseline_symbols.txt: New file.
	* config/abi/mips-linux-gnu/baseline_symbols.txt: New file.
	* config/abi/hppa-linux-gnu/baseline_symbols.txt: New file.
	* config/abi/x86_64-linux-gnu/baseline_symbols.txt: Regenerated.

[[Split portion of a mixed commit.]]

From-SVN: r69550.2