R_SPARC_DISP32. Support R_SPARC_PLT32.
(sparc_reloc_map): Add BFD_RELOC_16_PCREL and BFD_RELOC_SPARC_PLT32.
(elf32_sparc_check_relocs): Handle R_SPARC_PLT32.
(elf32_sparc_relocate_section): Likewise.
* elf64-sparc.c (sparc64_elf_howto_table): Fix dst_mask for
R_SPARC_DISP32. Support R_SPARC_PLT32 and R_SPARC_PLT64.
(sparc_reloc_map): Add BFD_RELOC_16_PCREL, BFD_RELOC_64_PCREL
and BFD_RELOC_SPARC_PLT32.
(sparc64_elf_check_relocs): Handle R_SPARC_PLT32 and R_SPARC_PLT64.
(sparc64_elf_relocate_section): Likewise.
* reloc.c (bfd_reloc_code_type): Add BFD_RELOC_SPARC_PLT32.
* bfd-in2.h, libbfd.h: Rebuilt.
* config/tc-sparc.h (TC_PARSE_CONS_EXPRESSION): Define.
(sparc_cons): Provide prototype.
* config/tc-sparc.c (tc_gen_reloc): Handle BFD_RELOC_*_PCREL and
BFD_RELOC_SPARC_PLT{32,64}. Enumerate for which relocs
reloc->addend = fixp->fx_addnumber shouldn't be done instead of
enumarating for which pc relative ones it should be done.
(sparc_cons_special_reloc): New variable.
(sparc_cons): New function.
(cons_fix_new_sparc): Use sparc_cons_special_reloc.
* testsuite/gas/sparc/pcrel.s: New test.
* testsuite/gas/sparc/pcrel.d: Expected output.
* testsuite/gas/sparc/pcrel64.s: New test.
* testsuite/gas/sparc/pcrel64.d: Expected output.
* testsuite/gas/sparc/plt.s: New test.
* testsuite/gas/sparc/plt.d: Expected output.
* testsuite/gas/sparc/plt64.s: New test.
* testsuite/gas/sparc/plt64.d: Expected output.
* testsuite/gas/sparc/sparc.exp: Add pcrel, pcrel64, plt and plt64
tests.
* config/tc-sparc.c (md_longopts): Add --no-undeclared-regs option.
(sparc_ip): Warn if %g2 or %g3 register is used and not covered
by .register pseudo-op if -64 and --no-undeclared-regs.
(s_register, sparc_adjust_symtab): New functions.
* config/tc-sparc.h (tc_adjust_symtab, sparc_adjust_symtab):
Declare sparc_adjust_symtab as tc_adjust_symtab.
* doc/c-sparc.texi: Add description of #ignore special literal
for .register pseudo-op.
* config/tc-sparc.c (sparc_ip): Allow OLO10 relocations
on -64 and not pic.
(output_insn): Put OLO10's secondary addend into tc_fix_data.
(md_apply_fix3): Handle BFD_RELOC_SPARC_OLO10.
(tc_gen_reloc): Return two relocs for OLO10, LO10 and SPARC13.
* config/tc-sparc.h (RELOC_EXPANSION_POSSIBLE,
MAX_RELOC_EXPANSION): Define.
(TC_FIX_TYPE, TC_INIT_FIX_DATA, TC_FIX_DATA_PRINT): Likewise.
