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* ldgram.y (DATA_SEGMENT_RELRO_END): Add one argument.

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* scripttempl/elf.sc (DATA_SEGMENT_RELRO_END): Add 0 as first
	argument.
	(DATA_SEGMENT_RELRO_GOTPLT_END): Pass $SEPARATE_GOTPLT as first
	and . as second argument.
	(GOTPLT): Move $DATA_SEGMENT_RELRO_GOTPLT_END before the section.
	* ldexp.c (fold_unary): Remove DATA_SEGMENT_RELRO_END handling here.
	(fold_binary): Add it here.  Insert padding to make relro_end
	COMMONPAGESIZE bytes aligned.  For DATA_SEGMENT_ALIGN in
	exp_dataseg_relro_adjust phase just use previously computed
	exp_data_seg.base.
	* ldlang.c (lang_size_sections): Set exp_data_seg.base for
	relro_adjust here.  Call lang_size_sections_1 once more if there
	was too big padding at DATA_SEGMENT_RELRO_END.
	* ld.texinfo (DATA_SEGMENT_RELRO_END): Add documentation.
This commit is contained in:
Jakub Jelinek
2004-10-04 13:41:15 +00:00
parent daab19f765
commit a4f5ad884e
6 changed files with 100 additions and 31 deletions
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7
ld/scripttempl/elf.sc
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@@ -90,9 +90,9 @@ if test -n "${COMMONPAGESIZE}"; then
DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})"
DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);"
if test -n "${SEPARATE_GOTPLT}"; then
DATA_SEGMENT_RELRO_GOTPLT_END=". = DATA_SEGMENT_RELRO_END (. + ${SEPARATE_GOTPLT});"
DATA_SEGMENT_RELRO_GOTPLT_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT}, .);"
else
DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (.);"
DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (0, .);"
fi
fi
INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
@@ -102,7 +102,8 @@ if test -z "$GOT"; then
GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) }"
else
GOT=".got ${RELOCATING-0} : { *(.got) }"
GOTPLT=".got.plt ${RELOCATING-0} : { ${RELOCATING+${DATA_SEGMENT_RELRO_GOTPLT_END}} *(.got.plt) }"
GOTPLT="${RELOCATING+${DATA_SEGMENT_RELRO_GOTPLT_END}}
.got.plt ${RELOCATING-0} : { *(.got.plt) }"
fi
fi
DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }"