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Upstream-Status: Inappropriate [SDK specific]
This patch will modify the ELF linker scripts so that the crosssdk linker will
generate binaries with a 4096 bytes PT_INTERP section. When the binaries will
be relocated, at SDK install time, the interpreter path can be easily changed
by the relocating script.
Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
Index: binutils_git/ld/genscripts.sh
===================================================================
--- binutils_git.orig/ld/genscripts.sh 2012-11-21 11:58:23.325441925 +0200
+++ binutils_git/ld/genscripts.sh 2012-11-21 12:03:42.106815400 +0200
@@ -290,6 +290,7 @@
LD_FLAG=r
DATA_ALIGNMENT=${DATA_ALIGNMENT_r}
DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
+PARTIAL_LINKING=" "
( echo "/* Script for ld -r: link without relocation */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
@@ -298,10 +299,12 @@
LD_FLAG=u
DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
CONSTRUCTING=" "
+PARTIAL_LINKING=" "
( echo "/* Script for ld -Ur: link w/out relocation, do create constructors */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu
+unset PARTIAL_LINKING
LD_FLAG=
DATA_ALIGNMENT=${DATA_ALIGNMENT_}
Index: binutils_git/ld/scripttempl/elf.sc
===================================================================
--- binutils_git.orig/ld/scripttempl/elf.sc 2012-11-21 12:02:26.800377384 +0200
+++ binutils_git/ld/scripttempl/elf.sc 2012-11-21 12:04:16.166109621 +0200
@@ -124,8 +124,8 @@
DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);"
DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT-0}, .);"
fi
-if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}"; then
- INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }"
+if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}${PARTIAL_LINKING}"; then
+ INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp); . = 0x1000; }"
fi
if test -z "$PLT"; then
IPLT=".iplt ${RELOCATING-0} : { *(.iplt) }"
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