* sh.h (R_SH_SWITCH8, R_SH_GNU_VTINHERIT, R_SH_GNU_VTENTRY,
R_SH_LOOP_START,R_SH_LOOP_END): Move to "reserved" spaces.
(R_SH_DIR16, R_SH_DIR8, R_SH_DIR8UL, R_SH_DIR8UW, R_SH_DIR8U,
R_SH_DIR8SW, R_SH_DIR8S, R_SH_DIR4UL, R_SH_DIR4UW, R_SH_DIR4U,
R_SH_PSHA, R_SH_PSHL): New.
* elf32-sh.c (sh_elf_howto_table): R_SH_SWITCH8,
R_SH_GNU_VTINHERIT, R_SH_GNU_VTENTRY,
R_SH_LOOP_START,R_SH_LOOP_END moved to "reserved" spaces,
R_SH_DIR16, R_SH_DIR8, R_SH_DIR8UL, R_SH_DIR8UW, R_SH_DIR8U,
R_SH_DIR8SW, R_SH_DIR8S, R_SH_DIR4UL, R_SH_DIR4UW, R_SH_DIR4U,
R_SH_PSHA, R_SH_PSHL added.
(sh_reloc_map): Add R_SH_DIR16 and R_SH_DIR8.
(sh_elf_relocate_section): Support new relocs.