Import fixes from trunk sources to correct invalid memory access issues with various...

Import fixes from trunk sources to correct invalid memory access issues with various binutils programs.

	Apply from master:
	2015-02-26  Nick Clifton  <nickc@redhat.com>

	PR binutils/17512
	* coffgrok.c (do_type): Check for an out of range tag index.
	Check for integer overflow computing array dimension.
	(do_define): Likewise.

	2015-02-26  Nick Clifton  <nickc@redhat.com>

	PR binutils/17512
	* resrc.c (write_rc_messagetable): Tighten check for invalid
	message lengths.

	2015-02-13  Nick Clifton  <nickc@redhat.com>

	* coffgrok.c (do_define): Add check for type size overflow.
	* srconv.c (walk_tree_sfile): Check that enough sections are
	available before parsing.
	(prescan): Likewise.

	2015-02-03  Nick Clifton  <nickc@redhat.com>

	PR binutils/17512
	* objdump.c (display_any_bfd): Fail if archives nest too deeply.

	2015-01-27  Nick Clifton  <nickc@redhat.com>

	PR binutils/17512
	* dlltool.c (identify_search_archive): If the last archive was the
	same as the current archive, terminate the loop.

	* addr2line.c (slurp_symtab): If the symcount is zero, free the
	symbol table pointer.

	* rcparse.y: Add checks to avoid integer divide by zero.
	* rescoff.c (read_coff_rsrc): Add check on the size of the
	resource section.
	(read_coff_res_dir): Add check on the nesting level.
	Check for resource names overrunning the buffer.
	* resrc.c (write_rc_messagetable): Update formatting.
	Add check of 'elen' being zero.

	2015-01-23  Nick Clifton  <nickc@redhat.com>

	* nlmconv.c (powerpc_mangle_relocs): Fix build errors introduced
	by recent delta, when compiling on for a 32-bit host.

	2015-01-21  Nick Clifton  <nickc@redhat.com>

	PR binutils/17512
	* addr2line.c (main): Call bfd_set_error_program_name.
	* ar.c (main): Likewise.
	* coffdump.c (main): Likewise.
	* cxxfilt.c (main): Likewise.
	* dlltool.c (main): Likewise.
	* nlmconv.c (main): Likewise.
	* nm.c (main): Likewise.
	* objdump.c (main): Likewise.
	* size.c (main): Likewise.
	* srconv.c (main): Likewise.
	* strings.c (main): Likewise.
	* sysdump.c (main): Likewise.
	* windmc.c (main): Likewise.
	* windres.c (main): Likewise.
	* objcopy.c (main): Likewise.
	(copy_relocations_in_section): Check for relocs without associated
	symbol pointers.

	2015-01-21  Nick Clifton  <nickc@redhat.com>

	PR binutils/17512
	* coffgrok.c (do_type): Check that computed ref exists.
	(doit): Add range checks when computing section for scope.

	2015-01-08  Nick Clifton  <nickc@redhat.com>

	PR binutils/17512
	* ojcopy.c (copy_object): Free the symbol table if no symbols
	could be loaded.
	(copy_file): Use bfd_close_all_done to close files that could not
	be copied.

	* sysdump.c (getINT): Fail if reading off the end of the buffer.
	Replace call to abort with a call to fatal.
	(getCHARS): Prevetn reading off the end of the buffer.

	* nlmconv.c (i386_mangle_relocs): Skip relocs without an
	associated symbol.
	(powerpc_mangle_relocs): Skip unrecognised relocs.  Check address
	range before applying a reloc.

	2015-01-07  Nick Clifton  <nickc@redhat.com>

	PR binutils/17512
	* dlltool.c (scan_obj_file): Break loop if the last archive
	displayed matches the current archive.

	* objdump.c (display_any_bfd): Add a depth limit to nested archive
	display in order to avoid infinite loops.
	* srconv.c: Replace calls to abort with calls to fatal with an
	error message.

	2015-01-06  Nick Clifton  <nickc@redhat.com>

	PR binutils/17512
	* coffdump.c (dump_coff_section): Check for a symbol being
	available before printing its name.
	(main): Check the return value from coff_grok.
	* coffgrok.c: Reformat and tidy.
	Add range checks to most functions.
	(coff_grok): Return NULL if the input bfd is not in a COFF
	format.
	* coffgrok.h: Reformat and tidy.
	(struct coff_section): Change the nrelocs field to unsigned.
	* srconv.c (main): Check the return value from coff_grok.

	2015-01-05  Nick Clifton  <nickc@redhat.com>

	PR binutils/17512
	* nm.c (print_symbol): Add 'is_synthetic' parameter.  Use it to
	help initialize the info.elfinfo field.
	(print_size_symbols): Add 'synth_count' parameter.  Use it to set
	the is_synthetic parameter when calling print_symbol.
	(print_symbols): Likewise.
	(display_rel_file): Pass synth_count to printing function.
	(display_archive): Break loop if the last archive displayed
	matches the current archive.