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cefdd1cd64
If a custom linker script with an unexpected relative layout of .got and .got.plt sections was used, gold might produce a wrong offset when applying R_AARCH64_TLSDESC_* relocations. This patch fixes the issue by calculating "got_tlsdesc_offset" in a more direct way. gold/ * aarch64.cc (Target_aarch64::Relocate::relocate_tls): Make got_tlsdesc_offset signed and fix its calculation. * testsuite/Makefile.am (aarch64_tlsdesc): New test. * testsuite/Makefile.in: Regenerate. * testsuite/aarch64_tlsdesc.s: New test source file. * testsuite/aarch64_tlsdesc.sh: New test script. * testsuite/aarch64_tlsdesc.t: New test linker script.
111 lines
2.9 KiB
Bash
Executable File
111 lines
2.9 KiB
Bash
Executable File
#!/bin/sh
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# aarch64_tlsdesc.sh -- test R_AARCH64_TLSDESC_* relocations.
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# Copyright (C) 2017 Free Software Foundation, Inc.
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# Written by Igor Kudrin <ikudrin@accesssoftek.com>.
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# This file is part of gold.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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file=aarch64_tlsdesc.stdout
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get_address_by_reloc()
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{
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var=$1
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pattern="\<R_AARCH64_TLSDESC\>"
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found=$(grep "$pattern" "$file")
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if test -z "$found"; then
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echo "GOT entry for a TLS symbol is not found in file $file."
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echo "Search pattern: $pattern"
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echo ""
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echo "Actual output below:"
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cat "$file"
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exit 1
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fi
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eval $var="0x0$(echo $found | awk -F'[: ]' '{ print $1 }')"
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}
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check_adrp()
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{
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pattern="\<adrp[[:space:]]\+x0, 0\>"
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found=$(grep "$pattern" "$file")
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if test -z "$found"; then
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echo "An ADRP immediate is supposed to be 0"
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echo "Search pattern: $pattern"
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echo ""
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echo "Actual output below:"
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cat "$file"
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exit 1
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fi
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}
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get_address_from_ldr()
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{
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var=$1
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pattern="\<ldr[[:space:]]\+x1\>"
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found=$(grep "$pattern" "$file")
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if test -z "$found"; then
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echo "An LDR instruction is not found in file $file."
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echo "Search pattern: $pattern"
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echo ""
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echo "Actual output below:"
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cat "$file"
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exit 1
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fi
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eval $var="$(echo $found | awk -F'[#\\]]' '{ print $2 }')"
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}
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get_address_from_add()
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{
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var=$1
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pattern="\<add[[:space:]]\+x0\>"
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found=$(grep "$pattern" "$file")
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if test -z "$found"; then
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echo "An ADD instruction is not found in file $file."
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echo "Search pattern: $pattern"
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echo ""
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echo "Actual output below:"
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cat "$file"
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exit 1
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fi
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eval $var="$(echo $found | awk -F'#' '{ print $2 }')"
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}
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check_adrp
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get_address_by_reloc address_by_reloc
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get_address_from_ldr address_from_ldr
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get_address_from_add address_from_add
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if test $(($address_by_reloc)) -ne $(($address_from_ldr)); then
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echo "The address in LDR instruction is wrong."
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echo ""
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echo "Actual output below:"
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cat "$file"
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exit 1
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fi
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if test $(($address_by_reloc)) -ne $(($address_from_add)); then
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echo "The address in ADD instruction is wrong."
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echo ""
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echo "Actual output below:"
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cat "$file"
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exit 1
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fi
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exit 0
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