* scripttempl/elf.sc: Set ENTRY based on target. Permit
TEXT_DYNAMIC to control .dynamic segment. Permit
SHLIB_TEXT_START_ADDR to set start of shared object. Support
INITIAL_READONLY_SECTIONS. Put .stub in .text. Only put
.gnu.linkonce.t* in .text when relocating. Support
OTHER_TEXT_SECTIONS. Support SHLIB_DATA_ADDR as well as
DATA_ADDR. Support OTHER_GOT_SYMBOLS and OTHER_GOT_SECTIONS.
* emulparams/elf32b4300.sh (SCRIPT_NAME): Set to elf.
(DATA_ADDR): Don't set.
(INITIAL_READONLY_SECTIONS): Rename from OTHER_READONLY_SECTIONS.
(OTHER_TEXT_SECTIONS): Set.
(OTHER_GOT_SECTIONS): Rename from OTHER_READWRITE_SECTIONS.
(MACHINE): Set to empty string.
* emulparams/elf32l4300.sh: Likewise.
* emulparams/elf32ebmip.sh: Likewise.
* emulparams/elf32elmip.sh: Likewise.
* emulparams/elf32bmip.sh: Likewise. Also:
(TEXT_DYNAMIC): Set.
* emulparams/elf32lmips.sh: Likewise.
* Makefile.in (eelf32bmips.c): Depend upon elf.sc rather than
elfmips.sc.
(eelf32ebmips.c, eelf32elmips.c, eelf32lmip.c): Likewise.