* ldgram.y: Add SPECIAL token.

(sect_constraint): Handle SPECIAL.
	* ldlang.c (lang_output_section_find_1): Don't match SPECIAL.
	(map_input_to_output_sections): Likewise.
	* ldlex.l (SPECIAL): Define.
	* emulparams/elf32ppc.sh (DATA_GOT, SDATA_GOT, SEPARATE_GOTPLT,
	GOT, PLT, GOTPLT): Define.
	* emultempl/ppc32elf.em (old_plt, old_got): New static vars.
	(ppc_after_open): New function.
	(PARSE_AND_LIST_PROLOGUE): Define OPTION_OLD_LPT and OPTION_OLD_GOT.
	(PARSE_AND_LIST_LONGOPTS): Add "bss-plt" and "sdata-got".
	(PARSE_AND_LIST_OPTIONS): Document them.
	(PARSE_AND_LIST_ARGS_CASES): Handle them.
	(LDEMUL_AFTER_OPEN): Define.
	* scripttempl/elf.sc (PLT): Don't override existing define.
	(DATA_GOT, SDATA_GOT): Define and use to enable alternate got
	placement rather than using NO_SMALL_DATA.  Emit GOTPLT for RELRO_NOW.
This commit is contained in:
Alan Modra
2005-05-11 14:10:10 +00:00
parent d7128ce4b1
commit 0cf7d72c50
7 changed files with 135 additions and 13 deletions

View File

@@ -12,7 +12,16 @@ MAXPAGESIZE=0x10000
COMMONPAGESIZE=0x1000
ARCH=powerpc:common
MACHINE=
# Yes, we want duplicate .got and .plt sections. The linker chooses the
# appropriate one magically in ppc_after_open
DATA_GOT=
SDATA_GOT=
SEPARATE_GOTPLT=0
BSS_PLT=
GOT=".got ${RELOCATING-0} : SPECIAL { *(.got) }"
PLT=".plt ${RELOCATING-0} : SPECIAL { *(.plt) }"
GOTPLT="${PLT}"
OTHER_TEXT_SECTIONS="*(.glink)"
EXECUTABLE_SYMBOLS='PROVIDE (__stack = 0); PROVIDE (___stack = 0);'
OTHER_BSS_END_SYMBOLS='__end = .;'
OTHER_RELRO_SECTIONS="