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Detailed changelog [1] [1] https://sourceware.org/pipermail/binutils/2024-January/132213.html (From OE-Core rev: 7e7afecc532a451b0ca9f34195a287c6472063c0) Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
76 lines
2.7 KiB
Diff
76 lines
2.7 KiB
Diff
From 56d41f0cc6a806d2e8d7dcbfb4cca4cd37fba835 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Mon, 2 Mar 2015 01:58:54 +0000
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Subject: [PATCH] binutils-crosssdk: Generate relocatable SDKs
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This patch will modify the ELF linker scripts so that the crosssdk
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linker will generate binaries with a 4096 bytes PT_INTERP section. When the binaries
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will be relocated, at SDK install time, the interpreter path can be easily
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changed by the relocating script.
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generate larger .interp section for gold linker as well
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Upstream-Status: Inappropriate [SDK specific]
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Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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---
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gold/layout.cc | 2 +-
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ld/genscripts.sh | 3 +++
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ld/scripttempl/elf.sc | 4 ++--
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3 files changed, 6 insertions(+), 3 deletions(-)
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diff --git a/gold/layout.cc b/gold/layout.cc
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index b43ae841a6c..6101a95195b 100644
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--- a/gold/layout.cc
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+++ b/gold/layout.cc
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@@ -5102,7 +5102,7 @@ Layout::create_interp(const Target* target)
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gold_assert(interp != NULL);
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}
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- size_t len = strlen(interp) + 1;
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+ size_t len = 4096;
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Output_section_data* odata = new Output_data_const(interp, len, 1);
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diff --git a/ld/genscripts.sh b/ld/genscripts.sh
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index a726b158161..5d2eb737efc 100755
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--- a/ld/genscripts.sh
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+++ b/ld/genscripts.sh
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@@ -315,6 +315,7 @@ DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}"
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LD_FLAG=r
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DATA_ALIGNMENT=${DATA_ALIGNMENT_r}
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DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
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+PARTIAL_LINKING=" "
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( echo "/* Script for -r */"
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source_sh ${CUSTOMIZER_SCRIPT}
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source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
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@@ -323,10 +324,12 @@ DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
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LD_FLAG=u
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DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
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CONSTRUCTING=" "
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+PARTIAL_LINKING=" "
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( echo "/* Script for -Ur */"
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source_sh ${CUSTOMIZER_SCRIPT}
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source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
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) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu
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+unset PARTIAL_LINKING
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DATA_ALIGNMENT=${DATA_ALIGNMENT_}
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RELOCATING=" "
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diff --git a/ld/scripttempl/elf.sc b/ld/scripttempl/elf.sc
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index 54716110b61..da17fe5cbce 100644
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--- a/ld/scripttempl/elf.sc
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+++ b/ld/scripttempl/elf.sc
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@@ -152,8 +152,8 @@ if test -z "$DATA_SEGMENT_ALIGN"; then
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DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT-0}, .);"
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fi
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fi
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-if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}"; then
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- INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }"
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+if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}${PARTIAL_LINKING}"; then
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+ INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp); . = 0x1000; }"
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fi
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if test -z "$PLT"; then
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IPLT=".iplt ${RELOCATING-0} : { *(.iplt) }"
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