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H.J. Lu 00a17c6ad0 Gold: Handle R_X86_64_CODE_4_GOTPC32_TLSDESC/R_X86_64_CODE_4_GOTTPOFF 
Handle R_X86_64_CODE_4_GOTTPOFF and R_X86_64_CODE_4_GOTPC32_TLSDESC.
Convert

	add	name@gottpoff(%rip), %reg
	mov	name@gottpoff(%rip), %reg

to

	add	$name@tpoff, %reg
	mov	$name@tpoff, %reg

and

	lea	name@tlsdesc(%rip), %reg

to

	mov     $name@tpoff, %reg
	mov	name@gottpoff(%rip), %reg

if the instruction is encoded with the REX2 prefix when possible.

elfcpp/

	* x86_64.h (R_X86_64_CODE_4_GOTTPOFF): New.
	(R_X86_64_CODE_4_GOTPC32_TLSDESC): Likewise.

gold/

	* x86_64.cc (Target_x86_64::optimize_tls_reloc): Handle
	R_X86_64_CODE_4_GOTPC32_TLSDESC and R_X86_64_CODE_4_GOTTPOFF.
	(Target_x86_64::Scan::get_reference_flags): Likewise.
	(Target_x86_64::Scan::local): Likewise.
	(Target_x86_64::Scan::global): Likewise.
	(Target_x86_64::Relocate::relocate): Likewise.
	(Target_x86_64::Relocate::relocate_tls): Likewise.
	(Target_x86_64::Relocate::tls_desc_gd_to_ie): Handle
	R_X86_64_CODE_4_GOTPC32_TLSDESC.
	(Target_x86_64::Relocate::tls_desc_gd_to_le): Likewise.
	(Target_x86_64::Relocate::tls_ie_to_le): Handle.
	R_X86_64_CODE_4_GOTTPOFF.
	* testsuite/Makefile.am: Add x86_64_ie_to_le test.
	* testsuite/Makefile.in: Regenerated.
	* testsuite/x86_64_gd_to_le.s: Add R_X86_64_CODE_4_GOTPC32_TLSDESC
	test.
	* testsuite/x86_64_gd_to_le.sh: Check GDesc to LE conversion.
	* testsuite/x86_64_ie_to_le.s: New file.
	* testsuite/x86_64_ie_to_le.sh: Likewise.
2023-12-28 08:47:17 -08:00
..
aarch64.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
arm.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
ChangeLog Add markers for the 2.41 branch 2023-07-03 11:12:15 +01:00
ChangeLog-0815
ChangeLog-2016
ChangeLog-2017 ChangeLog rotation 2018-01-03 17:49:42 +10:30
ChangeLog-2018 ChangeLog rotation 2019-01-01 21:25:40 +10:30
ChangeLog-2019 ChangeLog rotation 2020-01-01 18:12:08 +10:30
ChangeLog-2020 ChangeLog rotation 2021-01-01 10:31:02 +10:30
dwarf.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
elfcpp_file.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
elfcpp_internal.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
elfcpp_swap.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
elfcpp.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
i386.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
mips.h MIPS: Change all E_MIPS_* to EF_MIPS_* 2023-11-10 14:03:17 +00:00
powerpc.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
README Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
s390.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
sparc.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
tilegx.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
x86_64.h Gold: Handle R_X86_64_CODE_4_GOTPC32_TLSDESC/R_X86_64_CODE_4_GOTTPOFF 2023-12-28 08:47:17 -08:00

README

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

elfcpp is a C++ library for reading and writing ELF information.  This
was written to support gold, the ELF linker, and may not be generally
useful.

elfcpp does not do file I/O.  It deals only with offsets and memory
data.

For efficiency, most accessors are templates with two arguments: the
ELF file class (32 or 64 bits) and the endianness.


Copyright (C) 2012-2023 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.