Don't allocate .got.plt section if there are no GOT nor PLT entries.

Don't allocate .got.plt section if there are no GOT nor PLT entries.

bfd/

2010-07-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/11812
	* elf32-i386.c (elf_i386_size_dynamic_sections): Don't
	 allocate .got.plt section if there are no GOT nor PLT
	 entries.
	 * elf64-x86-64.c (elf64_x86_64_size_dynamic_sections): Likewise.

ld/testsuite/

2010-07-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/11812
	* ld-elf/exclude3b.d: Don't run on ia64-*-*.  Replace .got with
	.dynamic.

	* ld-elf/exclude3d.d: New.
	* ld-i386/nogot1.d: Likewise.
	* ld-i386/nogot1.s: Likewise.
	* ld-x86-64/nogot1.d: Likewise.
	* ld-x86-64/nogot1.s: Likewise.

	* ld-i386/i386.exp: Run nogot1.
	* ld-x86-64/x86-64.exp: Likewise.