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old-cross-binutils/elfcpp
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Jing Yu 3a53193762 Add tls support to gold aarch64 backend. 
elfcpp/ChangeLog:
2014-09-17  Han Shen  <shenhan@google.com>
	* aarch64.h (R_AARCH64_TLS_DTPREL64): Switch enum value with ...
	(R_AARCH64_TLS_DTPMOD64): ... enum value.

gold/ChangeLog:
2014-09-17  Han Shen  <shenhan@google.com>
	    Jing Yu  <jingyu@google.com>
        * aarch64-reloc.def: Add TLSGD_ADR_PAGE21, TLSGD_ADD_LO12_NC,
        TLSDESC_ADR_PAGE21, TLSDESC_LD64_LO12, TLSDESC_ADD_LO12, TLSDESC_CALL.
        * aarch64.cc (Target_aarch64): Add data members
        got_irelative_, got_tlsdesc_, rela_irelative_, got_mod_index_offset_,
        tlsdesc_reloc_info_, tls_base_symbol_defined_. Initialize them in
        constructor.
        (Target_aarch64::do_reloc_symbol_index): New method.
        (Target_aarch64::do_reloc_addend): New method.
        (Target_aarch64::add_tlsdesc_info): New method.
        (Target_aarch64::do_dynsym_value): New method.
        (Target_aarch64::do_make_data_plt): Add new parameters: got,
        got_irelative. Pass them to Output_data_plt_aarch64_standard.
        (Target_aarch64::make_data_plt): Add new parameters: got,
        got_irelative. Pass them to do_make_data_plt.
        (Target_aarch64::Relocate): Add skip_call_tls_get_addr_ variable.
        (Target_aarch64::Relocate:tls_gd_to_le): New method.
        (Target_aarch64::Relocate:tls_ie_to_le): New method.
        (Target_aarch64::Relocate:tls_desc_gd_to_le): New method.
        (Target_aarch64::Relocate:tls_desc_gd_to_ie): New method.
        (Target_aarch64::got_tlsdesc_section): New method.
        (Target_aarch64::make_local_ifunc_plt_entry): New method.
        (Target_aarch64::define_tls_base_symbol): New method.
        (Target_aarch64::reserve_tlsdesc_entries): New method.
        (Target_aarch64::got_mod_index_entry): New method.
        (Target_aarch64::rela_tlsdesc_section): New method.
        (Target_aarch64::rela_irelative_section): New method.
        (Target_aarch64::Tlsdesc_info): New struct.
        (Target_aarch64::got_section): Create .got.plt space for IRELATIVE
        relocations and tlsdesc relocations.
        (Target_aarch64::optimize_tls_reloc): Implement method.
        (Output_data_plt_aarch64): Add member variables: tlsdesc_rel_, got_,
        got_irelative_, irelative_count_, tlsdesc_got_offset_. Initialize them
        in constructor.
        (Output_data_plt_aarch64::reserve_tlsdesc_entry): New method.
        (Output_data_plt_aarch64::has_tlsdesc_entry): New method.
        (Output_data_plt_aarch64::get_tlsdesc_got_offset): New method.
        (Output_data_plt_aarch64::get_tlsdesc_plt_offset): New method.
        (Output_data_plt_aarch64::rela_tlsdesc): New method.
        (Output_data_plt_aarch64::rela_irelative): New method.
        (Output_data_plt_aarch64::entry_count): Count IRELATIVE relocations.
        (Output_data_plt_aarch64::first_plt_entry_offset): Add const attribute.
        (Output_data_plt_aarch64::get_plt_tlsdesc_entry_size): New method.
        (Output_data_plt_aarch64::fill_tlsdesc_entry): New method.
        (Output_data_plt_aarch64::do_get_plt_tlsdesc_entry_size): New method.
        (Output_data_plt_aarch64::do_fill_tlsdesc_entry): New method.
        (Output_data_plt_aarch64_standard): New member variables:
        plt_tlsdesc_entry_size, tlsdesc_plt_entry.
        (Output_data_plt_aarch64_standard::Output_data_plt_aarch64_standard):
        New parameter: got, got_irelative.
        (Output_data_plt_aarch64_standard::do_get_plt_entry_size): New method.
        (Output_data_plt_aarch64_standard::do_fill_tlsdesc_entry): New method.
        (Output_data_plt_aarch64::do_write): Replace got_address with
        gotplt_address. Add irelative_count_ to count. Write tlsdesc entry.
        (AArch64_relocate_functions::update_movnz): New method.
        (AArch64_relocate_functions): Correct format.
        (AArch64_relocate_functions::movnz): New method.
        (Target_aarch64::Scan::local): Correct format. Move r_sym, got to
        before the switch. Add new cases to switch.
        Check ie_to_le relaxation on tlsie relocations. Add code handling
        tlsgd tlsdesc cases.
        (Target_aarch64::Scan::global): Move arp to front. Do copy_reloc when
        needed. Add new cases to switch. Insert dynamic RELATIVE relocation
        when needed. Add code handling tlsgd, tlsie, tlsdesc cases.
        Call reloc_name_in_error_message to print unsupported reloc.
        (Target_aarch64::make_plt_section): Pass got_ and got_irelative_ to
        make_data_plt.
        (Target_aarch64::do_finalize_sections): Emit relocs to save COPY
        relocs. Fill in some more dynamic tags.
        (Target_aarch64::Relocate::relocate): Handle tlsgd, tlsdesc relocs.
        Skip call tls_get_addr when tlsgd is relaxed.
        (Target_aarch64::Relocate::relocate_tls): Correct format. Add code
        handling tlsgd, tlsdesc relocs, and tls gd->le, ie->le, tlsdesc->le,
        tlsdesc->ie relaxation.
2014-09-17 14:24:10 -07:00
..
aarch64.h Add tls support to gold aarch64 backend. 2014-09-17 14:24:10 -07:00
arm.h Update copyright years 2014-03-05 22:16:15 +10:30
ChangeLog Add tls support to gold aarch64 backend. 2014-09-17 14:24:10 -07:00
dwarf.h Update copyright years 2014-03-05 22:16:15 +10:30
elfcpp.h [MIPS] Implement O32 FPXX, FP64 and FP64A ABI extensions 2014-07-29 11:27:59 +01:00
elfcpp_file.h Make Elf_file::section_name() a const function, so that it can be used in 2014-09-02 15:44:58 -07:00
elfcpp_internal.h Update copyright years 2014-03-05 22:16:15 +10:30
elfcpp_swap.h Update copyright years 2014-03-05 22:16:15 +10:30
i386.h Update copyright years 2014-03-05 22:16:15 +10:30
mips.h Add support for MIPS R6. 2014-09-15 12:15:55 +01:00
powerpc.h Update copyright years 2014-03-05 22:16:15 +10:30
README Update copyright years 2014-03-05 22:16:15 +10:30
sparc.h Update copyright years 2014-03-05 22:16:15 +10:30
tilegx.h Update copyright years 2014-03-05 22:16:15 +10:30
x86_64.h Update copyright years 2014-03-05 22:16:15 +10:30

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) 2012-2014 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.