Use fits_in_signed_long to check x32 addend overflow

	* config/tc-i386.c (tc_gen_reloc): Use fits_in_signed_long.
	* dwarf.c (read_and_display_attr_value): Don't look up tag from
	abbrev for DW_FORM_ref_addr.
	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MINOR): Bump to 16.
	* libc/sys/rtems/machine/_types.h: Add Microblaze.
	* libc/include/string.h (memrchr): Declare.
	* libc/string/Makefile.am (ELIX_4_SOURCES): Add memrchr.c.
	(CHEWOUT_FILES): Add memrchr.def.
	* libc/string/Makefile.in: Regenerate.
	* libc/string/memrchr.c: New file.
	* cygwin.din (memrchr): Export.
	* posix.sgml (std-gnu): Add memrchr.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
	* new-features.sgml (ov-new1.7.16): Document memrchr.
*** empty log message ***
	PR bootstrap/50461
	* configure.ac (mpfr-dir): When using in-tree MPFR sources
	allow for the fact that from release v3.1.0 of MPFR the source
	files were moved into a src sub-directory.
	* configure: Regenerate.
2012-05-10  Tristan Gingold  <gingold@adacore.com>

        * printcmd.c (set_command): Add pre/post inc/dec.
Search global symbols from the expression's block objfile first.

gdb/ChangeLog:

        * findvar.c (default_read_var_value): For LOC_UNRESOLVED symbols,
        try locating the symbol in the symbol's own objfile first, before
        extending the search to all objfiles.
        * symtab.c (lookup_symbol_aux_objfile): New function, extracted
        out of lookup_symbol_aux_symtabs.
        (lookup_symbol_aux_symtabs): Add new parameter "exclude_objfile".
        Replace extracted-out code by call to lookup_symbol_aux_objfile.
        Do not search EXCLUDE_OBJFILE.
        (lookup_static_symbol_aux): Update call to lookup_symbol_aux_symtabs.
        (lookup_symbol_global): Search for matches in the block's objfile
        first, before searching all other objfiles.
New testcase: gdb.base/ctxobj.exp

gdb/testsuite/ChangeLog:

        * gdb.base/ctxobj-f.c, gdb.base/ctxobj-m.c, gdb.base/ctxobj-v.c,
        gdb.base/ctxobj.exp: New files.
Add print 'file'::var testcase with two libs defining the same global variable

gdb/testsuite/ChangeLog:

	* gdb.base/print-file-var-lib1.c, gdb.base/print-file-var-lib2.c,
	gdb.base/print-file-var-main.c, gdb.base/print-file-var.exp:
	New files.

gdb/ChangeLog:

        * config/djgpp/fnchange.lst: Add entries for print-file-var-lib1.c,
        print-file-var-lib2.c, print-file-var-main.c and
        print-file-var.exp (located in gdb/testsuite/gdb.base).
Count R_X86_64_RELATIVE64 as reloc_class_relative

bfd/

	* elf64-x86-64.c (elf_x86_64_reloc_type_class): Handle
	R_X86_64_RELATIVE64.

ld/testsuite/

	* ld-x86-64/pr13082-1a.d: Check RELACOUNT.
	* ld-x86-64/pr13082-1b.d: Likewise.
	* psymtab.c (PSYMTAB_TO_SYMTAB): Remove.
	(find_pc_sect_symtab_from_partial, lookup_symbol_aux_psymtabs)
	(lookup_partial_symbol, find_last_source_symtab_from_partial)
	(read_psymtabs_with_filename, map_matching_symbols_psymtab)
	(expand_symtabs_matching_via_partial, maintenance_check_symtabs):
	Update.
	* tracepoint.c (scope_info): Update.
	* symtab.c (lookup_block_symbol, iterate_over_symbols)
	(find_pc_sect_symtab, search_symbols)
	(default_make_symbol_completion_list_break_on)
	(make_file_symbol_completion_list): Update.
	* symmisc.c (dump_symtab_1): Update.
	* stack.c (print_frame_args, iterate_over_block_locals)
	(print_frame_labels, iterate_over_block_arg_vars): Update.
	* python/py-block.c (block_object) <dict>: Remove.
	<block>: New field.
	<iter>: Change type.
	(blpy_iter): Update.
	(blpy_block_syms_iternext): Update.
	* psymtab.c (map_block): Use block iterators.
	* objfiles.c (objfile_relocate1): Use ALL_DICT_SYMBOLS.
	* mi/mi-cmd-stack.c (list_args_or_locals): Update.
	* mdebugread.c (parse_symbol, mylookup_symbol): Update.
	* infrun.c (check_exception_resume): Update.
	* cp-support.c (make_symbol_overload_list_block): Update.
	* coffread.c (patch_opaque_types): Update.
	* buildsym.c (finish_block, end_symtab): Use ALL_DICT_SYMBOLS.
	* block.h (struct block_iterator): New.
	(block_iterator_first, block_iterator_next, block_iter_name_first)
	(block_iter_name_next, block_iter_match_first)
	(block_iter_match_next): Declare.
	(ALL_BLOCK_SYMBOLS): Redefine.
	* block.c (block_iterator_first, block_iterator_next)
	(block_iter_name_first, block_iter_name_next)
	(block_iter_match_first, block_iter_match_next): New functions.
	* ada-lang.c (ada_add_block_symbols)
	(ada_make_symbol_completion_list): Use block iterator.
	* psymtab.c (partial_map_expand_apply): Add assertion.
	(partial_map_symtabs_matching_filename): Skip included psymtabs.
	(psymtab_to_symtab): Find unshared psymtab.
	(dump_psymtab): Print including psymtabs.
	(recursively_search_psymtabs): New function.
	(expand_symtabs_matching_via_partial): Use it.
	* psympriv.h (struct partial_symtab) <user, searched_flag>: New
	fields.
	(enum psymtab_search_status): New.
	* jv-lang.c (get_java_class_symtab): Use allocate_global_block,
	set_block_symtab.
	* jit.c (finalize_symtab): Use allocate_global_block,
	set_block_symtab.
	* buildsym.c (finish_block_internal): New function, from old
	finish_block.
	(finish_block): Rewrite.
	(end_symtab): Use finish_block_internal, set_block_symtab.
	* block.h (struct global_block): New.
	(allocate_global_block, set_block_symtab): Declare.
	* block.c (allocate_global_block, set_block_symtab): New
	functions.
	* symtab.h (struct symtab) <includes, user>: New fields.
	* block.h (struct block_iterator) <d, idx, which>: New fields.
	* block.c (initialize_block_iterator, find_iterator_symtab)
	(block_iterator_step, block_iter_name_step)
	(block_iter_match_step): New functions.
	(block_iterator_first, block_iterator_next)
	(block_iter_name_first, block_iter_name_next)
	(block_iter_match_first, block_iter_match_next): Rewrite.
	(get_block_symtab): New function.
	* cc-with-dwz.sh: New file.