* elfread.c (elf_symtab_read): Avoid use of SECT_OFF_MAX.

	(elfstab_offset_sections): Likewise.
	* gdb-stabs.h (stab_section_info): Likewise.
	* i386-interix-tdep.c (pei_adjust_objfile_offsets): Likewise.
	* objfiles.c (objfile_relocate): Likewise.
	* pa64solib.c (pa64_solib_add_solib_objfile): Likewise.
	* remote.c (get_offsets): Likewise.
	(remote_cisco_objfile_relocate): Likewise.
	* somread.c (som_symfile_offsets): Likewise.
	* symfile.c (alloc_section_addr_info): New function.
	(build_section_addr_info_from_section_tab): Use it.
	(free_section_addr_info): Adjust.
	(default_symfile_offsets): Avoid use of SECT_OFF_MAX.
	(syms_from_objfile): Allocate local_addr dynamically.
	(symbol_file_add_with_addrs_or_offsets): Allocate orig_addrs
	dynamically.
	(add_symbol_file_command): Allocate sect_opts dynamically.
	(reread_symbols): Avoid use of SECT_OFF_MAX.
	* symfile.h (section_addr_info): Do not use MAX_SECTIONS.
	(alloc_section_addr_info): Declare it.
	* symtab.h (SIZEOF_SECTION_OFFSETS): Remove.
	* win32-nat.c (solib_symbols_add): Allocate section_addrs
	dynamically.
	* xcoffread.c (xcoff_symfile_offsets): Avoid use of SECT_OFF_MAX.