* arm-tdep.c (arm_pc_is_thumb): Use obj_section_addr.
* hppa-hpux-tdep.c (hppa_hpux_find_dummy_bpaddr): Likewise.
* hppa-linux-tdep.c (hppa_linux_find_global_pointer): Use
obj_section_addr and obj_section_endaddr.
* hppa-tdep.c (hppa64_convert_code_addr_to_fptr): Likewise.
* hppabsd-tdep.c (hppabsd_find_global_pointer): Likewise.
* ia64-tdep.c (ia64_find_global_pointer): Likewise.
(find_extant_func_descr): Likewise.
* solib-frv.c (frv_relocate_main_executable): Use
obj_section_addr.
* xstormy16-tdep.c (xstormy16_find_jmp_table_entry): Use
obj_section_addr and obj_section_endaddr.