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- // tilegx.cc -- tilegx target support for gold.
- // Copyright (C) 2012-2022 Free Software Foundation, Inc.
- // Written by Jiong Wang (jiwang@tilera.com)
- // This file is part of gold.
- // This program is free software; you can redistribute it and/or modify
- // it under the terms of the GNU General Public License as published by
- // the Free Software Foundation; either version 3 of the License, or
- // (at your option) any later version.
- // This program is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- // You should have received a copy of the GNU General Public License
- // along with this program; if not, write to the Free Software
- // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
- // MA 02110-1301, USA.
- #include "gold.h"
- #include <cstring>
- #include "elfcpp.h"
- #include "dwarf.h"
- #include "parameters.h"
- #include "reloc.h"
- #include "tilegx.h"
- #include "object.h"
- #include "symtab.h"
- #include "layout.h"
- #include "output.h"
- #include "copy-relocs.h"
- #include "target.h"
- #include "target-reloc.h"
- #include "target-select.h"
- #include "tls.h"
- #include "gc.h"
- #include "icf.h"
- // the first got entry reserved
- const int32_t TILEGX_GOT_RESERVE_COUNT = 1;
- // the first two .got.plt entry reserved
- const int32_t TILEGX_GOTPLT_RESERVE_COUNT = 2;
- // 1. for both 64/32 bit mode, the instruction bundle is always 64bit.
- // 2. thus .plt section should always be aligned to 64 bit.
- const int32_t TILEGX_INST_BUNDLE_SIZE = 64;
- namespace
- {
- using namespace gold;
- // A class to handle the PLT data.
- // This is an abstract base class that handles most of the linker details
- // but does not know the actual contents of PLT entries. The derived
- // classes below fill in those details.
- template<int size, bool big_endian>
- class Output_data_plt_tilegx : public Output_section_data
- {
- public:
- typedef Output_data_reloc<elfcpp::SHT_RELA, true,size, big_endian>
- Reloc_section;
- Output_data_plt_tilegx(Layout* layout, uint64_t addralign,
- Output_data_got<size, big_endian>* got,
- Output_data_space* got_plt,
- Output_data_space* got_irelative)
- : Output_section_data(addralign), layout_(layout),
- irelative_rel_(NULL), got_(got), got_plt_(got_plt),
- got_irelative_(got_irelative), count_(0),
- irelative_count_(0), free_list_()
- { this->init(layout); }
- Output_data_plt_tilegx(Layout* layout, uint64_t plt_entry_size,
- Output_data_got<size, big_endian>* got,
- Output_data_space* got_plt,
- Output_data_space* got_irelative,
- unsigned int plt_count)
- : Output_section_data((plt_count + 1) * plt_entry_size,
- TILEGX_INST_BUNDLE_SIZE, false),
- layout_(layout), irelative_rel_(NULL), got_(got),
- got_plt_(got_plt), got_irelative_(got_irelative), count_(plt_count),
- irelative_count_(0), free_list_()
- {
- this->init(layout);
- // Initialize the free list and reserve the first entry.
- this->free_list_.init((plt_count + 1) * plt_entry_size, false);
- this->free_list_.remove(0, plt_entry_size);
- }
- // Initialize the PLT section.
- void
- init(Layout* layout);
- // Add an entry to the PLT.
- void
- add_entry(Symbol_table*, Layout*, Symbol* gsym);
- // Add an entry to the PLT for a local STT_GNU_IFUNC symbol.
- unsigned int
- add_local_ifunc_entry(Symbol_table*, Layout*,
- Sized_relobj_file<size, big_endian>*, unsigned int);
- // Add the relocation for a PLT entry.
- void
- add_relocation(Symbol_table*, Layout*, Symbol*, unsigned int);
- // Return the .rela.plt section data.
- Reloc_section*
- rela_plt()
- { return this->rel_; }
- // Return where the IRELATIVE relocations should go in the PLT
- // relocations.
- Reloc_section*
- rela_irelative(Symbol_table*, Layout*);
- // Return whether we created a section for IRELATIVE relocations.
- bool
- has_irelative_section() const
- { return this->irelative_rel_ != NULL; }
- // Return the number of PLT entries.
- unsigned int
- entry_count() const
- { return this->count_ + this->irelative_count_; }
- // Return the offset of the first non-reserved PLT entry.
- unsigned int
- first_plt_entry_offset()
- { return this->get_plt_entry_size(); }
- // Return the size of a PLT entry.
- unsigned int
- get_plt_entry_size() const
- { return plt_entry_size; }
- // Reserve a slot in the PLT for an existing symbol in an incremental update.
- void
- reserve_slot(unsigned int plt_index)
- {
- this->free_list_.remove((plt_index + 1) * this->get_plt_entry_size(),
- (plt_index + 2) * this->get_plt_entry_size());
- }
- // Return the PLT address to use for a global symbol.
- uint64_t
- address_for_global(const Symbol*);
- // Return the PLT address to use for a local symbol.
- uint64_t
- address_for_local(const Relobj*, unsigned int symndx);
- protected:
- // Fill in the first PLT entry.
- void
- fill_first_plt_entry(unsigned char*);
- // Fill in a normal PLT entry. Returns the offset into the entry that
- // should be the initial GOT slot value.
- void
- fill_plt_entry(unsigned char*,
- typename elfcpp::Elf_types<size>::Elf_Addr,
- unsigned int,
- typename elfcpp::Elf_types<size>::Elf_Addr,
- unsigned int, unsigned int);
- void
- do_adjust_output_section(Output_section* os);
- // Write to a map file.
- void
- do_print_to_mapfile(Mapfile* mapfile) const
- { mapfile->print_output_data(this, _("** PLT")); }
- private:
- // Set the final size.
- void
- set_final_data_size();
- // Write out the PLT data.
- void
- do_write(Output_file*);
- // A pointer to the Layout class, so that we can find the .dynamic
- // section when we write out the GOT PLT section.
- Layout* layout_;
- // The reloc section.
- Reloc_section* rel_;
- // The IRELATIVE relocs, if necessary. These must follow the
- // regular PLT relocations.
- Reloc_section* irelative_rel_;
- // The .got section.
- Output_data_got<size, big_endian>* got_;
- // The .got.plt section.
- Output_data_space* got_plt_;
- // The part of the .got.plt section used for IRELATIVE relocs.
- Output_data_space* got_irelative_;
- // The number of PLT entries.
- unsigned int count_;
- // Number of PLT entries with R_TILEGX_IRELATIVE relocs. These
- // follow the regular PLT entries.
- unsigned int irelative_count_;
- // List of available regions within the section, for incremental
- // update links.
- Free_list free_list_;
- // The size of an entry in the PLT.
- static const int plt_entry_size = 40;
- // The first entry in the PLT.
- static const unsigned char first_plt_entry[plt_entry_size];
- // Other entries in the PLT for an executable.
- static const unsigned char plt_entry[plt_entry_size];
- };
- // The tilegx target class.
- // See the ABI at
- // http://www.tilera.com/scm
- // TLS info comes from
- // http://people.redhat.com/drepper/tls.pdf
- template<int size, bool big_endian>
- class Target_tilegx : public Sized_target<size, big_endian>
- {
- public:
- // TileGX use RELA
- typedef Output_data_reloc<elfcpp::SHT_RELA, true, size, big_endian>
- Reloc_section;
- Target_tilegx(const Target::Target_info* info = &tilegx_info)
- : Sized_target<size, big_endian>(info),
- got_(NULL), plt_(NULL), got_plt_(NULL), got_irelative_(NULL),
- global_offset_table_(NULL), tilegx_dynamic_(NULL), rela_dyn_(NULL),
- rela_irelative_(NULL), copy_relocs_(elfcpp::R_TILEGX_COPY),
- got_mod_index_offset_(-1U),
- tls_get_addr_sym_defined_(false)
- { }
- // Scan the relocations to look for symbol adjustments.
- void
- gc_process_relocs(Symbol_table* symtab,
- Layout* layout,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- unsigned int sh_type,
- const unsigned char* prelocs,
- size_t reloc_count,
- Output_section* output_section,
- bool needs_special_offset_handling,
- size_t local_symbol_count,
- const unsigned char* plocal_symbols);
- // Scan the relocations to look for symbol adjustments.
- void
- scan_relocs(Symbol_table* symtab,
- Layout* layout,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- unsigned int sh_type,
- const unsigned char* prelocs,
- size_t reloc_count,
- Output_section* output_section,
- bool needs_special_offset_handling,
- size_t local_symbol_count,
- const unsigned char* plocal_symbols);
- // Finalize the sections.
- void
- do_finalize_sections(Layout*, const Input_objects*, Symbol_table*);
- // Return the value to use for a dynamic which requires special
- // treatment.
- uint64_t
- do_dynsym_value(const Symbol*) const;
- // Relocate a section.
- void
- relocate_section(const Relocate_info<size, big_endian>*,
- unsigned int sh_type,
- const unsigned char* prelocs,
- size_t reloc_count,
- Output_section* output_section,
- bool needs_special_offset_handling,
- unsigned char* view,
- typename elfcpp::Elf_types<size>::Elf_Addr view_address,
- section_size_type view_size,
- const Reloc_symbol_changes*);
- // Scan the relocs during a relocatable link.
- void
- scan_relocatable_relocs(Symbol_table* symtab,
- Layout* layout,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- unsigned int sh_type,
- const unsigned char* prelocs,
- size_t reloc_count,
- Output_section* output_section,
- bool needs_special_offset_handling,
- size_t local_symbol_count,
- const unsigned char* plocal_symbols,
- Relocatable_relocs*);
- // Scan the relocs for --emit-relocs.
- void
- emit_relocs_scan(Symbol_table* symtab,
- Layout* layout,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- unsigned int sh_type,
- const unsigned char* prelocs,
- size_t reloc_count,
- Output_section* output_section,
- bool needs_special_offset_handling,
- size_t local_symbol_count,
- const unsigned char* plocal_syms,
- Relocatable_relocs* rr);
- // Relocate a section during a relocatable link.
- void
- relocate_relocs(
- const Relocate_info<size, big_endian>*,
- unsigned int sh_type,
- const unsigned char* prelocs,
- size_t reloc_count,
- Output_section* output_section,
- typename elfcpp::Elf_types<size>::Elf_Off offset_in_output_section,
- unsigned char* view,
- typename elfcpp::Elf_types<size>::Elf_Addr view_address,
- section_size_type view_size,
- unsigned char* reloc_view,
- section_size_type reloc_view_size);
- // Return whether SYM is defined by the ABI.
- bool
- do_is_defined_by_abi(const Symbol* sym) const
- { return strcmp(sym->name(), "__tls_get_addr") == 0; }
- // define tilegx specific symbols
- virtual void
- do_define_standard_symbols(Symbol_table*, Layout*);
- // Return the PLT section.
- uint64_t
- do_plt_address_for_global(const Symbol* gsym) const
- { return this->plt_section()->address_for_global(gsym); }
- uint64_t
- do_plt_address_for_local(const Relobj* relobj, unsigned int symndx) const
- { return this->plt_section()->address_for_local(relobj, symndx); }
- // This function should be defined in targets that can use relocation
- // types to determine (implemented in local_reloc_may_be_function_pointer
- // and global_reloc_may_be_function_pointer)
- // if a function's pointer is taken. ICF uses this in safe mode to only
- // fold those functions whose pointer is defintely not taken. For tilegx
- // pie binaries, safe ICF cannot be done by looking at relocation types.
- bool
- do_can_check_for_function_pointers() const
- { return true; }
- // Return the base for a DW_EH_PE_datarel encoding.
- uint64_t
- do_ehframe_datarel_base() const;
- // Return whether there is a GOT section.
- bool
- has_got_section() const
- { return this->got_ != NULL; }
- // Return the size of the GOT section.
- section_size_type
- got_size() const
- {
- gold_assert(this->got_ != NULL);
- return this->got_->data_size();
- }
- // Return the number of entries in the GOT.
- unsigned int
- got_entry_count() const
- {
- if (this->got_ == NULL)
- return 0;
- return this->got_size() / (size / 8);
- }
- // Return the number of entries in the PLT.
- unsigned int
- plt_entry_count() const;
- // Return the offset of the first non-reserved PLT entry.
- unsigned int
- first_plt_entry_offset() const;
- // Return the size of each PLT entry.
- unsigned int
- plt_entry_size() const;
- // Create the GOT section for an incremental update.
- Output_data_got_base*
- init_got_plt_for_update(Symbol_table* symtab,
- Layout* layout,
- unsigned int got_count,
- unsigned int plt_count);
- // Reserve a GOT entry for a local symbol, and regenerate any
- // necessary dynamic relocations.
- void
- reserve_local_got_entry(unsigned int got_index,
- Sized_relobj<size, big_endian>* obj,
- unsigned int r_sym,
- unsigned int got_type);
- // Reserve a GOT entry for a global symbol, and regenerate any
- // necessary dynamic relocations.
- void
- reserve_global_got_entry(unsigned int got_index, Symbol* gsym,
- unsigned int got_type);
- // Register an existing PLT entry for a global symbol.
- void
- register_global_plt_entry(Symbol_table*, Layout*, unsigned int plt_index,
- Symbol* gsym);
- // Force a COPY relocation for a given symbol.
- void
- emit_copy_reloc(Symbol_table*, Symbol*, Output_section*, off_t);
- // Apply an incremental relocation.
- void
- apply_relocation(const Relocate_info<size, big_endian>* relinfo,
- typename elfcpp::Elf_types<size>::Elf_Addr r_offset,
- unsigned int r_type,
- typename elfcpp::Elf_types<size>::Elf_Swxword r_addend,
- const Symbol* gsym,
- unsigned char* view,
- typename elfcpp::Elf_types<size>::Elf_Addr address,
- section_size_type view_size);
- private:
- // The class which scans relocations.
- class Scan
- {
- public:
- Scan()
- : issued_non_pic_error_(false)
- { }
- static inline int
- get_reference_flags(unsigned int r_type);
- inline void
- local(Symbol_table* symtab, Layout* layout, Target_tilegx* target,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- Output_section* output_section,
- const elfcpp::Rela<size, big_endian>& reloc, unsigned int r_type,
- const elfcpp::Sym<size, big_endian>& lsym,
- bool is_discarded);
- inline void
- global(Symbol_table* symtab, Layout* layout, Target_tilegx* target,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- Output_section* output_section,
- const elfcpp::Rela<size, big_endian>& reloc, unsigned int r_type,
- Symbol* gsym);
- inline bool
- local_reloc_may_be_function_pointer(Symbol_table* symtab, Layout* layout,
- Target_tilegx* target,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- Output_section* output_section,
- const elfcpp::Rela<size, big_endian>& reloc,
- unsigned int r_type,
- const elfcpp::Sym<size, big_endian>& lsym);
- inline bool
- global_reloc_may_be_function_pointer(Symbol_table* symtab, Layout* layout,
- Target_tilegx* target,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- Output_section* output_section,
- const elfcpp::Rela<size, big_endian>& reloc,
- unsigned int r_type,
- Symbol* gsym);
- private:
- static void
- unsupported_reloc_local(Sized_relobj_file<size, big_endian>*,
- unsigned int r_type);
- static void
- unsupported_reloc_global(Sized_relobj_file<size, big_endian>*,
- unsigned int r_type, Symbol*);
- void
- check_non_pic(Relobj*, unsigned int r_type);
- inline bool
- possible_function_pointer_reloc(unsigned int r_type);
- bool
- reloc_needs_plt_for_ifunc(Sized_relobj_file<size, big_endian>*,
- unsigned int r_type);
- // Whether we have issued an error about a non-PIC compilation.
- bool issued_non_pic_error_;
- };
- // The class which implements relocation.
- class Relocate
- {
- public:
- Relocate()
- { }
- ~Relocate()
- {
- }
- // Do a relocation. Return false if the caller should not issue
- // any warnings about this relocation.
- inline bool
- relocate(const Relocate_info<size, big_endian>*, unsigned int,
- Target_tilegx*, Output_section*, size_t, const unsigned char*,
- const Sized_symbol<size>*, const Symbol_value<size>*,
- unsigned char*, typename elfcpp::Elf_types<size>::Elf_Addr,
- section_size_type);
- };
- // Adjust TLS relocation type based on the options and whether this
- // is a local symbol.
- static tls::Tls_optimization
- optimize_tls_reloc(bool is_final, int r_type);
- // Get the GOT section, creating it if necessary.
- Output_data_got<size, big_endian>*
- got_section(Symbol_table*, Layout*);
- // Get the GOT PLT section.
- Output_data_space*
- got_plt_section() const
- {
- gold_assert(this->got_plt_ != NULL);
- return this->got_plt_;
- }
- // Create the PLT section.
- void
- make_plt_section(Symbol_table* symtab, Layout* layout);
- // Create a PLT entry for a global symbol.
- void
- make_plt_entry(Symbol_table*, Layout*, Symbol*);
- // Create a PLT entry for a local STT_GNU_IFUNC symbol.
- void
- make_local_ifunc_plt_entry(Symbol_table*, Layout*,
- Sized_relobj_file<size, big_endian>* relobj,
- unsigned int local_sym_index);
- // Create a GOT entry for the TLS module index.
- unsigned int
- got_mod_index_entry(Symbol_table* symtab, Layout* layout,
- Sized_relobj_file<size, big_endian>* object);
- // Get the PLT section.
- Output_data_plt_tilegx<size, big_endian>*
- plt_section() const
- {
- gold_assert(this->plt_ != NULL);
- return this->plt_;
- }
- // Get the dynamic reloc section, creating it if necessary.
- Reloc_section*
- rela_dyn_section(Layout*);
- // Get the section to use for IRELATIVE relocations.
- Reloc_section*
- rela_irelative_section(Layout*);
- // Add a potential copy relocation.
- void
- copy_reloc(Symbol_table* symtab, Layout* layout,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int shndx, Output_section* output_section,
- Symbol* sym, const elfcpp::Rela<size, big_endian>& reloc)
- {
- unsigned int r_type = elfcpp::elf_r_type<size>(reloc.get_r_info());
- this->copy_relocs_.copy_reloc(symtab, layout,
- symtab->get_sized_symbol<size>(sym),
- object, shndx, output_section,
- r_type, reloc.get_r_offset(),
- reloc.get_r_addend(),
- this->rela_dyn_section(layout));
- }
- // Information about this specific target which we pass to the
- // general Target structure.
- static const Target::Target_info tilegx_info;
- // The types of GOT entries needed for this platform.
- // These values are exposed to the ABI in an incremental link.
- // Do not renumber existing values without changing the version
- // number of the .gnu_incremental_inputs section.
- enum Got_type
- {
- GOT_TYPE_STANDARD = 0, // GOT entry for a regular symbol
- GOT_TYPE_TLS_OFFSET = 1, // GOT entry for TLS offset
- GOT_TYPE_TLS_PAIR = 2, // GOT entry for TLS module/offset pair
- GOT_TYPE_TLS_DESC = 3 // GOT entry for TLS_DESC pair
- };
- // This type is used as the argument to the target specific
- // relocation routines. The only target specific reloc is
- // R_X86_64_TLSDESC against a local symbol.
- struct Tlsdesc_info
- {
- Tlsdesc_info(Sized_relobj_file<size, big_endian>* a_object,
- unsigned int a_r_sym)
- : object(a_object), r_sym(a_r_sym)
- { }
- // The object in which the local symbol is defined.
- Sized_relobj_file<size, big_endian>* object;
- // The local symbol index in the object.
- unsigned int r_sym;
- };
- // The GOT section.
- Output_data_got<size, big_endian>* got_;
- // The PLT section.
- Output_data_plt_tilegx<size, big_endian>* plt_;
- // The GOT PLT section.
- Output_data_space* got_plt_;
- // The GOT section for IRELATIVE relocations.
- Output_data_space* got_irelative_;
- // The _GLOBAL_OFFSET_TABLE_ symbol.
- Symbol* global_offset_table_;
- // The _TILEGX_DYNAMIC_ symbol.
- Symbol* tilegx_dynamic_;
- // The dynamic reloc section.
- Reloc_section* rela_dyn_;
- // The section to use for IRELATIVE relocs.
- Reloc_section* rela_irelative_;
- // Relocs saved to avoid a COPY reloc.
- Copy_relocs<elfcpp::SHT_RELA, size, big_endian> copy_relocs_;
- // Offset of the GOT entry for the TLS module index.
- unsigned int got_mod_index_offset_;
- // True if the _tls_get_addr symbol has been defined.
- bool tls_get_addr_sym_defined_;
- };
- template<>
- const Target::Target_info Target_tilegx<64, false>::tilegx_info =
- {
- 64, // size
- false, // is_big_endian
- elfcpp::EM_TILEGX, // machine_code
- false, // has_make_symbol
- false, // has_resolve
- false, // has_code_fill
- true, // is_default_stack_executable
- false, // can_icf_inline_merge_sections
- '\0', // wrap_char
- "/lib/ld.so.1", // program interpreter
- 0x10000, // default_text_segment_address
- 0x10000, // abi_pagesize (overridable by -z max-page-size)
- 0x10000, // common_pagesize (overridable by -z common-page-size)
- false, // isolate_execinstr
- 0, // rosegment_gap
- elfcpp::SHN_UNDEF, // small_common_shndx
- elfcpp::SHN_UNDEF, // large_common_shndx
- 0, // small_common_section_flags
- 0, // large_common_section_flags
- NULL, // attributes_section
- NULL, // attributes_vendor
- "_start", // entry_symbol_name
- 32, // hash_entry_size
- elfcpp::SHT_PROGBITS, // unwind_section_type
- };
- template<>
- const Target::Target_info Target_tilegx<32, false>::tilegx_info =
- {
- 32, // size
- false, // is_big_endian
- elfcpp::EM_TILEGX, // machine_code
- false, // has_make_symbol
- false, // has_resolve
- false, // has_code_fill
- true, // is_default_stack_executable
- false, // can_icf_inline_merge_sections
- '\0', // wrap_char
- "/lib32/ld.so.1", // program interpreter
- 0x10000, // default_text_segment_address
- 0x10000, // abi_pagesize (overridable by -z max-page-size)
- 0x10000, // common_pagesize (overridable by -z common-page-size)
- false, // isolate_execinstr
- 0, // rosegment_gap
- elfcpp::SHN_UNDEF, // small_common_shndx
- elfcpp::SHN_UNDEF, // large_common_shndx
- 0, // small_common_section_flags
- 0, // large_common_section_flags
- NULL, // attributes_section
- NULL, // attributes_vendor
- "_start", // entry_symbol_name
- 32, // hash_entry_size
- elfcpp::SHT_PROGBITS, // unwind_section_type
- };
- template<>
- const Target::Target_info Target_tilegx<64, true>::tilegx_info =
- {
- 64, // size
- true, // is_big_endian
- elfcpp::EM_TILEGX, // machine_code
- false, // has_make_symbol
- false, // has_resolve
- false, // has_code_fill
- true, // is_default_stack_executable
- false, // can_icf_inline_merge_sections
- '\0', // wrap_char
- "/lib/ld.so.1", // program interpreter
- 0x10000, // default_text_segment_address
- 0x10000, // abi_pagesize (overridable by -z max-page-size)
- 0x10000, // common_pagesize (overridable by -z common-page-size)
- false, // isolate_execinstr
- 0, // rosegment_gap
- elfcpp::SHN_UNDEF, // small_common_shndx
- elfcpp::SHN_UNDEF, // large_common_shndx
- 0, // small_common_section_flags
- 0, // large_common_section_flags
- NULL, // attributes_section
- NULL, // attributes_vendor
- "_start", // entry_symbol_name
- 32, // hash_entry_size
- elfcpp::SHT_PROGBITS, // unwind_section_type
- };
- template<>
- const Target::Target_info Target_tilegx<32, true>::tilegx_info =
- {
- 32, // size
- true, // is_big_endian
- elfcpp::EM_TILEGX, // machine_code
- false, // has_make_symbol
- false, // has_resolve
- false, // has_code_fill
- true, // is_default_stack_executable
- false, // can_icf_inline_merge_sections
- '\0', // wrap_char
- "/lib32/ld.so.1", // program interpreter
- 0x10000, // default_text_segment_address
- 0x10000, // abi_pagesize (overridable by -z max-page-size)
- 0x10000, // common_pagesize (overridable by -z common-page-size)
- false, // isolate_execinstr
- 0, // rosegment_gap
- elfcpp::SHN_UNDEF, // small_common_shndx
- elfcpp::SHN_UNDEF, // large_common_shndx
- 0, // small_common_section_flags
- 0, // large_common_section_flags
- NULL, // attributes_section
- NULL, // attributes_vendor
- "_start", // entry_symbol_name
- 32, // hash_entry_size
- elfcpp::SHT_PROGBITS, // unwind_section_type
- };
- // tilegx relocation handlers
- template<int size, bool big_endian>
- class Tilegx_relocate_functions
- {
- public:
- // overflow check will be supported later
- typedef enum
- {
- STATUS_OKAY, // No error during relocation.
- STATUS_OVERFLOW, // Relocation overflow.
- STATUS_BAD_RELOC // Relocation cannot be applied.
- } Status;
- struct Tilegx_howto
- {
- // right shift operand by this number of bits.
- unsigned char srshift;
- // the offset to apply relocation.
- unsigned char doffset;
- // set to 1 for pc-relative relocation.
- unsigned char is_pcrel;
- // size in bits, or 0 if this table entry should be ignored.
- unsigned char bsize;
- // whether we need to check overflow.
- unsigned char overflow;
- };
- static const Tilegx_howto howto[elfcpp::R_TILEGX_NUM];
- private:
- // Do a simple rela relocation
- template<int valsize>
- static inline void
- rela(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Swap<size, big_endian>::Valtype addend,
- elfcpp::Elf_Xword srshift, elfcpp::Elf_Xword doffset,
- elfcpp::Elf_Xword bitmask)
- {
- typedef typename elfcpp::Swap<valsize, big_endian>::Valtype Valtype;
- Valtype* wv = reinterpret_cast<Valtype*>(view);
- Valtype val = elfcpp::Swap<valsize, big_endian>::readval(wv);
- Valtype reloc = 0;
- if (size == 32)
- reloc = Bits<32>::sign_extend(psymval->value(object, addend)) >> srshift;
- else
- reloc = psymval->value(object, addend) >> srshift;
- elfcpp::Elf_Xword dst_mask = bitmask << doffset;
- val &= ~dst_mask;
- reloc &= bitmask;
- elfcpp::Swap<valsize, big_endian>::writeval(wv, val | (reloc<<doffset));
- }
- // Do a simple rela relocation
- template<int valsize>
- static inline void
- rela_ua(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Swap<size, big_endian>::Valtype addend,
- elfcpp::Elf_Xword srshift, elfcpp::Elf_Xword doffset,
- elfcpp::Elf_Xword bitmask)
- {
- typedef typename elfcpp::Swap_unaligned<valsize, big_endian>::Valtype
- Valtype;
- unsigned char* wv = view;
- Valtype val = elfcpp::Swap_unaligned<valsize, big_endian>::readval(wv);
- Valtype reloc = 0;
- if (size == 32)
- reloc = Bits<32>::sign_extend(psymval->value(object, addend)) >> srshift;
- else
- reloc = psymval->value(object, addend) >> srshift;
- elfcpp::Elf_Xword dst_mask = bitmask << doffset;
- val &= ~dst_mask;
- reloc &= bitmask;
- elfcpp::Swap_unaligned<valsize, big_endian>::writeval(wv,
- val | (reloc<<doffset));
- }
- template<int valsize>
- static inline void
- rela(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Swap<size, big_endian>::Valtype addend,
- elfcpp::Elf_Xword srshift, elfcpp::Elf_Xword doffset1,
- elfcpp::Elf_Xword bitmask1, elfcpp::Elf_Xword doffset2,
- elfcpp::Elf_Xword bitmask2)
- {
- typedef typename elfcpp::Swap<valsize, big_endian>::Valtype Valtype;
- Valtype* wv = reinterpret_cast<Valtype*>(view);
- Valtype val = elfcpp::Swap<valsize, big_endian>::readval(wv);
- Valtype reloc = 0;
- if (size == 32)
- reloc = Bits<32>::sign_extend(psymval->value(object, addend)) >> srshift;
- else
- reloc = psymval->value(object, addend) >> srshift;
- elfcpp::Elf_Xword dst_mask = (bitmask1 << doffset1)
- | (bitmask2 << doffset2);
- val &= ~dst_mask;
- reloc = ((reloc & bitmask1) << doffset1)
- | ((reloc & bitmask2) << doffset2);
- elfcpp::Swap<valsize, big_endian>::writeval(wv, val | reloc);
- }
- // Do a simple PC relative relocation with a Symbol_value with the
- // addend in the relocation.
- template<int valsize>
- static inline void
- pcrela(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Swap<size, big_endian>::Valtype addend,
- typename elfcpp::Elf_types<size>::Elf_Addr address,
- elfcpp::Elf_Xword srshift, elfcpp::Elf_Xword doffset,
- elfcpp::Elf_Xword bitmask)
- {
- typedef typename elfcpp::Swap<valsize, big_endian>::Valtype Valtype;
- Valtype* wv = reinterpret_cast<Valtype*>(view);
- Valtype val = elfcpp::Swap<valsize, big_endian>::readval(wv);
- Valtype reloc = 0;
- if (size == 32)
- reloc = Bits<32>::sign_extend(psymval->value(object, addend) - address)
- >> srshift;
- else
- reloc = (psymval->value(object, addend) - address) >> srshift;
- elfcpp::Elf_Xword dst_mask = bitmask << doffset;
- val &= ~dst_mask;
- reloc &= bitmask;
- elfcpp::Swap<valsize, big_endian>::writeval(wv, val | (reloc<<doffset));
- }
- template<int valsize>
- static inline void
- pcrela_ua(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Swap<size, big_endian>::Valtype addend,
- typename elfcpp::Elf_types<size>::Elf_Addr address,
- elfcpp::Elf_Xword srshift, elfcpp::Elf_Xword doffset,
- elfcpp::Elf_Xword bitmask)
- {
- typedef typename elfcpp::Swap_unaligned<valsize, big_endian>::Valtype
- Valtype;
- unsigned char* wv = view;
- Valtype reloc = 0;
- if (size == 32)
- reloc = Bits<32>::sign_extend(psymval->value(object, addend) - address)
- >> srshift;
- else
- reloc = (psymval->value(object, addend) - address) >> srshift;
- reloc &= bitmask;
- elfcpp::Swap<valsize, big_endian>::writeval(wv, reloc << doffset);
- }
- template<int valsize>
- static inline void
- pcrela(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Swap<size, big_endian>::Valtype addend,
- typename elfcpp::Elf_types<size>::Elf_Addr address,
- elfcpp::Elf_Xword srshift, elfcpp::Elf_Xword doffset1,
- elfcpp::Elf_Xword bitmask1, elfcpp::Elf_Xword doffset2,
- elfcpp::Elf_Xword bitmask2)
- {
- typedef typename elfcpp::Swap<valsize, big_endian>::Valtype Valtype;
- Valtype* wv = reinterpret_cast<Valtype*>(view);
- Valtype val = elfcpp::Swap<valsize, big_endian>::readval(wv);
- Valtype reloc = 0;
- if (size == 32)
- reloc = Bits<32>::sign_extend(psymval->value(object, addend) - address)
- >> srshift;
- else
- reloc = (psymval->value(object, addend) - address) >> srshift;
- elfcpp::Elf_Xword dst_mask = (bitmask1 << doffset1)
- | (bitmask2 << doffset2);
- val &= ~dst_mask;
- reloc = ((reloc & bitmask1) << doffset1)
- | ((reloc & bitmask2) << doffset2);
- elfcpp::Swap<valsize, big_endian>::writeval(wv, val | reloc);
- }
- typedef Tilegx_relocate_functions<size, big_endian> This;
- typedef Relocate_functions<size, big_endian> Base;
- public:
- static inline void
- abs64(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Elf_types<size>::Elf_Addr addend)
- {
- This::template rela_ua<64>(view, object, psymval, addend, 0, 0,
- 0xffffffffffffffffllu);
- }
- static inline void
- abs32(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Elf_types<size>::Elf_Addr addend)
- {
- This::template rela_ua<32>(view, object, psymval, addend, 0, 0,
- 0xffffffff);
- }
- static inline void
- abs16(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Elf_types<size>::Elf_Addr addend)
- {
- This::template rela_ua<16>(view, object, psymval, addend, 0, 0,
- 0xffff);
- }
- static inline void
- pc_abs64(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Elf_types<size>::Elf_Addr addend,
- typename elfcpp::Elf_types<size>::Elf_Addr address)
- {
- This::template pcrela_ua<64>(view, object, psymval, addend, address, 0, 0,
- 0xffffffffffffffffllu);
- }
- static inline void
- pc_abs32(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Elf_types<size>::Elf_Addr addend,
- typename elfcpp::Elf_types<size>::Elf_Addr address)
- {
- This::template pcrela_ua<32>(view, object, psymval, addend, address, 0, 0,
- 0xffffffff);
- }
- static inline void
- pc_abs16(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Elf_types<size>::Elf_Addr addend,
- typename elfcpp::Elf_types<size>::Elf_Addr address)
- {
- This::template pcrela_ua<16>(view, object, psymval, addend, address, 0, 0,
- 0xffff);
- }
- static inline void
- imm_x_general(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Elf_types<size>::Elf_Addr addend,
- Tilegx_howto &r_howto)
- {
- This::template rela<64>(view, object, psymval, addend,
- (elfcpp::Elf_Xword)(r_howto.srshift),
- (elfcpp::Elf_Xword)(r_howto.doffset),
- (elfcpp::Elf_Xword)((1 << r_howto.bsize) - 1));
- }
- static inline void
- imm_x_pcrel_general(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Elf_types<size>::Elf_Addr addend,
- typename elfcpp::Elf_types<size>::Elf_Addr address,
- Tilegx_howto &r_howto)
- {
- This::template pcrela<64>(view, object, psymval, addend, address,
- (elfcpp::Elf_Xword)(r_howto.srshift),
- (elfcpp::Elf_Xword)(r_howto.doffset),
- (elfcpp::Elf_Xword)((1 << r_howto.bsize) - 1));
- }
- static inline void
- imm_x_two_part_general(unsigned char* view,
- const Sized_relobj_file<size, big_endian>* object,
- const Symbol_value<size>* psymval,
- typename elfcpp::Elf_types<size>::Elf_Addr addend,
- typename elfcpp::Elf_types<size>::Elf_Addr address,
- unsigned int r_type)
- {
- elfcpp::Elf_Xword doffset1 = 0llu;
- elfcpp::Elf_Xword doffset2 = 0llu;
- elfcpp::Elf_Xword dmask1 = 0llu;
- elfcpp::Elf_Xword dmask2 = 0llu;
- elfcpp::Elf_Xword rshift = 0llu;
- unsigned int pc_rel = 0;
- switch (r_type)
- {
- case elfcpp::R_TILEGX_BROFF_X1:
- doffset1 = 31llu;
- doffset2 = 37llu;
- dmask1 = 0x3fllu;
- dmask2 = 0x1ffc0llu;
- rshift = 3llu;
- pc_rel = 1;
- break;
- case elfcpp::R_TILEGX_DEST_IMM8_X1:
- doffset1 = 31llu;
- doffset2 = 43llu;
- dmask1 = 0x3fllu;
- dmask2 = 0xc0llu;
- rshift = 0llu;
- break;
- }
- if (pc_rel)
- This::template pcrela<64>(view, object, psymval, addend, address,
- rshift, doffset1, dmask1, doffset2, dmask2);
- else
- This::template rela<64>(view, object, psymval, addend, rshift,
- doffset1, dmask1, doffset2, dmask2);
- }
- static inline void
- tls_relax(unsigned char* view, unsigned int r_type,
- tls::Tls_optimization opt_t)
- {
- const uint64_t TILEGX_X_MOVE_R0_R0 = 0x283bf8005107f000llu;
- const uint64_t TILEGX_Y_MOVE_R0_R0 = 0xae05f800540bf000llu;
- const uint64_t TILEGX_X_LD = 0x286ae80000000000llu;
- const uint64_t TILEGX_X_LD4S = 0x286a980000000000llu;
- const uint64_t TILEGX_X1_FULL_MASK = 0x3fffffff80000000llu;
- const uint64_t TILEGX_X0_RRR_MASK = 0x000000007ffc0000llu;
- const uint64_t TILEGX_X1_RRR_MASK = 0x3ffe000000000000llu;
- const uint64_t TILEGX_Y0_RRR_MASK = 0x00000000780c0000llu;
- const uint64_t TILEGX_Y1_RRR_MASK = 0x3c06000000000000llu;
- const uint64_t TILEGX_X0_RRR_SRCB_MASK = 0x000000007ffff000llu;
- const uint64_t TILEGX_X1_RRR_SRCB_MASK = 0x3ffff80000000000llu;
- const uint64_t TILEGX_Y0_RRR_SRCB_MASK = 0x00000000780ff000llu;
- const uint64_t TILEGX_Y1_RRR_SRCB_MASK = 0x3c07f80000000000llu;
- const uint64_t TILEGX_X_ADD_R0_R0_TP = 0x2807a800500f5000llu;
- const uint64_t TILEGX_Y_ADD_R0_R0_TP = 0x9a13a8002c275000llu;
- const uint64_t TILEGX_X_ADDX_R0_R0_TP = 0x2805a800500b5000llu;
- const uint64_t TILEGX_Y_ADDX_R0_R0_TP = 0x9a01a8002c035000llu;
- const uint64_t R_TILEGX_IMM8_X0_TLS_ADD_MASK =
- (TILEGX_X0_RRR_MASK | (0x3Fllu << 12));
- const uint64_t R_TILEGX_IMM8_X1_TLS_ADD_MASK =
- (TILEGX_X1_RRR_MASK | (0x3Fllu << 43));
- const uint64_t R_TILEGX_IMM8_Y0_TLS_ADD_MASK =
- (TILEGX_Y0_RRR_MASK | (0x3Fllu << 12));
- const uint64_t R_TILEGX_IMM8_Y1_TLS_ADD_MASK =
- (TILEGX_Y1_RRR_MASK | (0x3Fllu << 43));
- const uint64_t R_TILEGX_IMM8_X0_TLS_ADD_LE_MASK =
- (TILEGX_X0_RRR_SRCB_MASK | (0x3Fllu << 6));
- const uint64_t R_TILEGX_IMM8_X1_TLS_ADD_LE_MASK =
- (TILEGX_X1_RRR_SRCB_MASK | (0x3Fllu << 37));
- const uint64_t R_TILEGX_IMM8_Y0_TLS_ADD_LE_MASK =
- (TILEGX_Y0_RRR_SRCB_MASK | (0x3Fllu << 6));
- const uint64_t R_TILEGX_IMM8_Y1_TLS_ADD_LE_MASK =
- (TILEGX_Y1_RRR_SRCB_MASK | (0x3Fllu << 37));
- typedef typename elfcpp::Swap<64, big_endian>::Valtype Valtype;
- Valtype* wv = reinterpret_cast<Valtype*>(view);
- Valtype val = elfcpp::Swap<64, big_endian>::readval(wv);
- Valtype reloc = 0;
- switch (r_type)
- {
- case elfcpp::R_TILEGX_IMM8_X0_TLS_ADD:
- if (opt_t == tls::TLSOPT_NONE) {
- // GD/IE: 1. copy dest operand into the second source operand
- // 2. change the opcode to "add"
- reloc = (val & 0x3Fllu) << 12; // featch the dest reg
- reloc |= ((size == 32
- ? TILEGX_X_ADDX_R0_R0_TP
- : TILEGX_X_ADD_R0_R0_TP)
- & TILEGX_X0_RRR_MASK); // change opcode
- val &= ~R_TILEGX_IMM8_X0_TLS_ADD_MASK;
- } else if (opt_t == tls::TLSOPT_TO_LE) {
- // LE: 1. copy dest operand into the first source operand
- // 2. change the opcode to "move"
- reloc = (val & 0x3Fllu) << 6;
- reloc |= (TILEGX_X_MOVE_R0_R0 & TILEGX_X0_RRR_SRCB_MASK);
- val &= ~R_TILEGX_IMM8_X0_TLS_ADD_LE_MASK;
- } else
- gold_unreachable();
- break;
- case elfcpp::R_TILEGX_IMM8_X1_TLS_ADD:
- if (opt_t == tls::TLSOPT_NONE) {
- reloc = (val & (0x3Fllu << 31)) << 12;
- reloc |= ((size == 32
- ? TILEGX_X_ADDX_R0_R0_TP
- : TILEGX_X_ADD_R0_R0_TP)
- & TILEGX_X1_RRR_MASK);
- val &= ~R_TILEGX_IMM8_X1_TLS_ADD_MASK;
- } else if (opt_t == tls::TLSOPT_TO_LE) {
- reloc = (val & (0x3Fllu << 31)) << 6;
- reloc |= (TILEGX_X_MOVE_R0_R0 & TILEGX_X1_RRR_SRCB_MASK);
- val &= ~R_TILEGX_IMM8_X1_TLS_ADD_LE_MASK;
- } else
- gold_unreachable();
- break;
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_ADD:
- if (opt_t == tls::TLSOPT_NONE) {
- reloc = (val & 0x3Fllu) << 12;
- reloc |= ((size == 32
- ? TILEGX_Y_ADDX_R0_R0_TP
- : TILEGX_Y_ADD_R0_R0_TP)
- & TILEGX_Y0_RRR_MASK);
- val &= ~R_TILEGX_IMM8_Y0_TLS_ADD_MASK;
- } else if (opt_t == tls::TLSOPT_TO_LE) {
- reloc = (val & 0x3Fllu) << 6;
- reloc |= (TILEGX_Y_MOVE_R0_R0 & TILEGX_Y0_RRR_SRCB_MASK);
- val &= ~R_TILEGX_IMM8_Y0_TLS_ADD_LE_MASK;
- } else
- gold_unreachable();
- break;
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_ADD:
- if (opt_t == tls::TLSOPT_NONE) {
- reloc = (val & (0x3Fllu << 31)) << 12;
- reloc |= ((size == 32
- ? TILEGX_Y_ADDX_R0_R0_TP
- : TILEGX_Y_ADD_R0_R0_TP)
- & TILEGX_Y1_RRR_MASK);
- val &= ~R_TILEGX_IMM8_Y1_TLS_ADD_MASK;
- } else if (opt_t == tls::TLSOPT_TO_LE) {
- reloc = (val & (0x3Fllu << 31)) << 6;
- reloc |= (TILEGX_Y_MOVE_R0_R0 & TILEGX_Y1_RRR_SRCB_MASK);
- val &= ~R_TILEGX_IMM8_Y1_TLS_ADD_LE_MASK;
- } else
- gold_unreachable();
- break;
- case elfcpp::R_TILEGX_IMM8_X0_TLS_GD_ADD:
- if (opt_t == tls::TLSOPT_NONE) {
- // GD see comments for optimize_tls_reloc
- reloc = TILEGX_X_MOVE_R0_R0 & TILEGX_X0_RRR_SRCB_MASK;
- val &= ~TILEGX_X0_RRR_SRCB_MASK;
- } else if (opt_t == tls::TLSOPT_TO_IE
- || opt_t == tls::TLSOPT_TO_LE) {
- // IE/LE
- reloc = (size == 32
- ? TILEGX_X_ADDX_R0_R0_TP
- : TILEGX_X_ADD_R0_R0_TP)
- & TILEGX_X0_RRR_SRCB_MASK;
- val &= ~TILEGX_X0_RRR_SRCB_MASK;
- }
- break;
- case elfcpp::R_TILEGX_IMM8_X1_TLS_GD_ADD:
- if (opt_t == tls::TLSOPT_NONE) {
- reloc = TILEGX_X_MOVE_R0_R0 & TILEGX_X1_RRR_SRCB_MASK;
- val &= ~TILEGX_X1_RRR_SRCB_MASK;
- } else if (opt_t == tls::TLSOPT_TO_IE
- || opt_t == tls::TLSOPT_TO_LE) {
- reloc = (size == 32
- ? TILEGX_X_ADDX_R0_R0_TP
- : TILEGX_X_ADD_R0_R0_TP)
- & TILEGX_X1_RRR_SRCB_MASK;
- val &= ~TILEGX_X1_RRR_SRCB_MASK;
- }
- break;
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_GD_ADD:
- if (opt_t == tls::TLSOPT_NONE) {
- reloc = TILEGX_Y_MOVE_R0_R0 & TILEGX_Y0_RRR_SRCB_MASK;
- val &= ~TILEGX_Y0_RRR_SRCB_MASK;
- } else if (opt_t == tls::TLSOPT_TO_IE
- || opt_t == tls::TLSOPT_TO_LE) {
- reloc = (size == 32
- ? TILEGX_Y_ADDX_R0_R0_TP
- : TILEGX_Y_ADD_R0_R0_TP)
- & TILEGX_Y0_RRR_SRCB_MASK;
- val &= ~TILEGX_Y0_RRR_SRCB_MASK;
- }
- break;
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_GD_ADD:
- if (opt_t == tls::TLSOPT_NONE) {
- reloc = TILEGX_Y_MOVE_R0_R0 & TILEGX_Y1_RRR_SRCB_MASK;
- val &= ~TILEGX_Y1_RRR_SRCB_MASK;
- } else if (opt_t == tls::TLSOPT_TO_IE
- || opt_t == tls::TLSOPT_TO_LE) {
- reloc = (size == 32
- ? TILEGX_Y_ADDX_R0_R0_TP
- : TILEGX_Y_ADD_R0_R0_TP)
- & TILEGX_Y1_RRR_SRCB_MASK;
- val &= ~TILEGX_Y1_RRR_SRCB_MASK;
- }
- break;
- case elfcpp::R_TILEGX_TLS_IE_LOAD:
- if (opt_t == tls::TLSOPT_NONE) {
- // IE
- reloc = (size == 32
- ? TILEGX_X_LD4S
- : TILEGX_X_LD)
- & TILEGX_X1_RRR_SRCB_MASK;
- val &= ~TILEGX_X1_RRR_SRCB_MASK;
- } else if (opt_t == tls::TLSOPT_TO_LE) {
- // LE
- reloc = TILEGX_X_MOVE_R0_R0 & TILEGX_X1_RRR_SRCB_MASK;
- val &= ~TILEGX_X1_RRR_SRCB_MASK;
- } else
- gold_unreachable();
- break;
- case elfcpp::R_TILEGX_TLS_GD_CALL:
- if (opt_t == tls::TLSOPT_TO_IE) {
- // ld/ld4s r0, r0
- reloc = (size == 32
- ? TILEGX_X_LD4S
- : TILEGX_X_LD) & TILEGX_X1_FULL_MASK;
- val &= ~TILEGX_X1_FULL_MASK;
- } else if (opt_t == tls::TLSOPT_TO_LE) {
- // move r0, r0
- reloc = TILEGX_X_MOVE_R0_R0 & TILEGX_X1_FULL_MASK;
- val &= ~TILEGX_X1_FULL_MASK;
- } else
- // should be handled in ::relocate
- gold_unreachable();
- break;
- default:
- gold_unreachable();
- break;
- }
- elfcpp::Swap<64, big_endian>::writeval(wv, val | reloc);
- }
- };
- template<>
- const Tilegx_relocate_functions<64, false>::Tilegx_howto
- Tilegx_relocate_functions<64, false>::howto[elfcpp::R_TILEGX_NUM] =
- {
- { 0, 0, 0, 0, 0}, // R_TILEGX_NONE
- { 0, 0, 0, 64, 0}, // R_TILEGX_64
- { 0, 0, 0, 32, 0}, // R_TILEGX_32
- { 0, 0, 0, 16, 0}, // R_TILEGX_16
- { 0, 0, 0, 8, 0}, // R_TILEGX_8
- { 0, 0, 1, 64, 0}, // R_TILEGX_64_PCREL
- { 0, 0, 1, 32, 0}, // R_TILEGX_32_PCREL
- { 0, 0, 1, 16, 0}, // R_TILEGX_16_PCREL
- { 0, 0, 1, 8, 0}, // R_TILEGX_8_PCREL
- { 0, 0, 0, 0, 0}, // R_TILEGX_HW0
- { 16, 0, 0, 0, 0}, // R_TILEGX_HW1
- { 32, 0, 0, 0, 0}, // R_TILEGX_HW2
- { 48, 0, 0, 0, 0}, // R_TILEGX_HW3
- { 0, 0, 0, 0, 0}, // R_TILEGX_HW0_LAST
- { 16, 0, 0, 0, 0}, // R_TILEGX_HW1_LAST
- { 32, 0, 0, 0, 0}, // R_TILEGX_HW2_LAST
- { 0, 0, 0, 0, 0}, // R_TILEGX_COPY
- { 0, 0, 0, 8, 0}, // R_TILEGX_GLOB_DAT
- { 0, 0, 0, 0, 0}, // R_TILEGX_JMP_SLOT
- { 0, 0, 0, 0, 0}, // R_TILEGX_RELATIVE
- { 3, 1, 1, 0, 0}, // R_TILEGX_BROFF_X1
- { 3, 31, 1, 27, 0}, // R_TILEGX_JUMPOFF_X1
- { 3, 31, 1, 27, 0}, // R_TILEGX_JUMPOFF_X1_PLT
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_Y0
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_Y1
- { 0, 1, 0, 8, 0}, // R_TILEGX_DEST_IMM8_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_MT_IMM14_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_MF_IMM14_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_MMSTART_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_MMEND_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_Y0
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_Y1
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0
- { 16, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW1
- { 16, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW1
- { 32, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW2
- { 32, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW2
- { 48, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW3
- { 48, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW3
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST
- { 32, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST
- { 32, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST
- { 0, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW0_PCREL
- { 0, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW0_PCREL
- { 16, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW1_PCREL
- { 16, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW1_PCREL
- { 32, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW2_PCREL
- { 32, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW2_PCREL
- { 48, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW3_PCREL
- { 48, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW3_PCREL
- { 0, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_PCREL
- { 0, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_PCREL
- { 16, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_PCREL
- { 16, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_PCREL
- { 32, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST_PCREL
- { 32, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST_PCREL
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_GOT
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_GOT
- { 0, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW0_PLT_PCREL
- { 0, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW0_PLT_PCREL
- { 16, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW1_PLT_PCREL
- { 16, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW1_PLT_PCREL
- { 32, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW2_PLT_PCREL
- { 32, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW2_PLT_PCREL
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_GOT
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_GOT
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_GOT
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_GOT
- { 32, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST_GOT
- { 32, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST_GOT
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_TLS_GD
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_TLS_GD
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_TLS_LE
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_TLS_LE
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IRELATIVE
- { 0, 0, 0, 0, 0}, // R_TILEGX_INVALID
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_TLS_IE
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_TLS_IE
- { 0, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL
- { 0, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL
- { 16, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL
- { 16, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL
- { 32, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL
- { 32, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE
- { 0, 0, 0, 0, 0}, // R_TILEGX_INVALID
- { 0, 0, 0, 0, 0}, // R_TILEGX_INVALID
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPMOD64
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPOFF64
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_TPOFF64
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPMOD32
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPOFF32
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_TPOFF32
- { 3, 31, 1, 27, 0}, // R_TILEGX_TLS_GD_CALL
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X0_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X1_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y0_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y1_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_IE_LOAD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X0_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X1_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y0_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y1_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_GNU_VTINHERIT
- { 0, 0, 0, 0, 0}, // R_TILEGX_GNU_VTENTRY
- };
- template<>
- const Tilegx_relocate_functions<32, false>::Tilegx_howto
- Tilegx_relocate_functions<32, false>::howto[elfcpp::R_TILEGX_NUM] =
- {
- { 0, 0, 0, 0, 0}, // R_TILEGX_NONE
- { 0, 0, 0, 64, 0}, // R_TILEGX_64
- { 0, 0, 0, 32, 0}, // R_TILEGX_32
- { 0, 0, 0, 16, 0}, // R_TILEGX_16
- { 0, 0, 0, 8, 0}, // R_TILEGX_8
- { 0, 0, 1, 64, 0}, // R_TILEGX_64_PCREL
- { 0, 0, 1, 32, 0}, // R_TILEGX_32_PCREL
- { 0, 0, 1, 16, 0}, // R_TILEGX_16_PCREL
- { 0, 0, 1, 8, 0}, // R_TILEGX_8_PCREL
- { 0, 0, 0, 0, 0}, // R_TILEGX_HW0
- { 16, 0, 0, 0, 0}, // R_TILEGX_HW1
- { 31, 0, 0, 0, 0}, // R_TILEGX_HW2
- { 31, 0, 0, 0, 0}, // R_TILEGX_HW3
- { 0, 0, 0, 0, 0}, // R_TILEGX_HW0_LAST
- { 16, 0, 0, 0, 0}, // R_TILEGX_HW1_LAST
- { 31, 0, 0, 0, 0}, // R_TILEGX_HW2_LAST
- { 0, 0, 0, 0, 0}, // R_TILEGX_COPY
- { 0, 0, 0, 8, 0}, // R_TILEGX_GLOB_DAT
- { 0, 0, 0, 0, 0}, // R_TILEGX_JMP_SLOT
- { 0, 0, 0, 0, 0}, // R_TILEGX_RELATIVE
- { 3, 1, 1, 0, 0}, // R_TILEGX_BROFF_X1
- { 3, 31, 1, 27, 0}, // R_TILEGX_JUMPOFF_X1
- { 3, 31, 1, 27, 0}, // R_TILEGX_JUMPOFF_X1_PLT
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_Y0
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_Y1
- { 0, 1, 0, 8, 0}, // R_TILEGX_DEST_IMM8_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_MT_IMM14_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_MF_IMM14_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_MMSTART_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_MMEND_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_Y0
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_Y1
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0
- { 16, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW1
- { 16, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW1
- { 31, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW2
- { 31, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW2
- { 31, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW3
- { 31, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW3
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST
- { 31, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST
- { 31, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST
- { 0, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW0_PCREL
- { 0, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW0_PCREL
- { 16, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW1_PCREL
- { 16, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW1_PCREL
- { 31, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW2_PCREL
- { 31, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW2_PCREL
- { 31, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW3_PCREL
- { 31, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW3_PCREL
- { 0, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_PCREL
- { 0, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_PCREL
- { 16, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_PCREL
- { 16, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_PCREL
- { 31, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST_PCREL
- { 31, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST_PCREL
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_GOT
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_GOT
- { 0, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW0_PLT_PCREL
- { 0, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW0_PLT_PCREL
- { 16, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW1_PLT_PCREL
- { 16, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW1_PLT_PCREL
- { 31, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW2_PLT_PCREL
- { 31, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW2_PLT_PCREL
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_GOT
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_GOT
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_GOT
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_GOT
- { 31, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST_GOT
- { 31, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST_GOT
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_TLS_GD
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_TLS_GD
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_TLS_LE
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_TLS_LE
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IRELATIVE
- { 0, 0, 0, 0, 0}, // R_TILEGX_INVALID
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_TLS_IE
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_TLS_IE
- { 0, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL
- { 0, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL
- { 16, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL
- { 16, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL
- { 31, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL
- { 31, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE
- { 0, 0, 0, 0, 0}, // R_TILEGX_INVALID
- { 0, 0, 0, 0, 0}, // R_TILEGX_INVALID
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPMOD64
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPOFF64
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_TPOFF64
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPMOD32
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPOFF32
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_TPOFF32
- { 3, 31, 1, 27, 0}, // R_TILEGX_TLS_GD_CALL
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X0_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X1_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y0_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y1_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_IE_LOAD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X0_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X1_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y0_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y1_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_GNU_VTINHERIT
- { 0, 0, 0, 0, 0}, // R_TILEGX_GNU_VTENTRY
- };
- template<>
- const Tilegx_relocate_functions<64, true>::Tilegx_howto
- Tilegx_relocate_functions<64, true>::howto[elfcpp::R_TILEGX_NUM] =
- {
- { 0, 0, 0, 0, 0}, // R_TILEGX_NONE
- { 0, 0, 0, 64, 0}, // R_TILEGX_64
- { 0, 0, 0, 32, 0}, // R_TILEGX_32
- { 0, 0, 0, 16, 0}, // R_TILEGX_16
- { 0, 0, 0, 8, 0}, // R_TILEGX_8
- { 0, 0, 1, 64, 0}, // R_TILEGX_64_PCREL
- { 0, 0, 1, 32, 0}, // R_TILEGX_32_PCREL
- { 0, 0, 1, 16, 0}, // R_TILEGX_16_PCREL
- { 0, 0, 1, 8, 0}, // R_TILEGX_8_PCREL
- { 0, 0, 0, 0, 0}, // R_TILEGX_HW0
- { 16, 0, 0, 0, 0}, // R_TILEGX_HW1
- { 32, 0, 0, 0, 0}, // R_TILEGX_HW2
- { 48, 0, 0, 0, 0}, // R_TILEGX_HW3
- { 0, 0, 0, 0, 0}, // R_TILEGX_HW0_LAST
- { 16, 0, 0, 0, 0}, // R_TILEGX_HW1_LAST
- { 32, 0, 0, 0, 0}, // R_TILEGX_HW2_LAST
- { 0, 0, 0, 0, 0}, // R_TILEGX_COPY
- { 0, 0, 0, 8, 0}, // R_TILEGX_GLOB_DAT
- { 0, 0, 0, 0, 0}, // R_TILEGX_JMP_SLOT
- { 0, 0, 0, 0, 0}, // R_TILEGX_RELATIVE
- { 3, 1, 1, 0, 0}, // R_TILEGX_BROFF_X1
- { 3, 31, 1, 27, 0}, // R_TILEGX_JUMPOFF_X1
- { 3, 31, 1, 27, 0}, // R_TILEGX_JUMPOFF_X1_PLT
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_Y0
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_Y1
- { 0, 1, 0, 8, 0}, // R_TILEGX_DEST_IMM8_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_MT_IMM14_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_MF_IMM14_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_MMSTART_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_MMEND_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_Y0
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_Y1
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0
- { 16, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW1
- { 16, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW1
- { 32, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW2
- { 32, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW2
- { 48, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW3
- { 48, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW3
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST
- { 32, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST
- { 32, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST
- { 0, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW0_PCREL
- { 0, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW0_PCREL
- { 16, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW1_PCREL
- { 16, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW1_PCREL
- { 32, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW2_PCREL
- { 32, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW2_PCREL
- { 48, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW3_PCREL
- { 48, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW3_PCREL
- { 0, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_PCREL
- { 0, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_PCREL
- { 16, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_PCREL
- { 16, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_PCREL
- { 32, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST_PCREL
- { 32, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST_PCREL
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_GOT
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_GOT
- { 0, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW0_PLT_PCREL
- { 0, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW0_PLT_PCREL
- { 16, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW1_PLT_PCREL
- { 16, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW1_PLT_PCREL
- { 32, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW2_PLT_PCREL
- { 32, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW2_PLT_PCREL
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_GOT
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_GOT
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_GOT
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_GOT
- { 32, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST_GOT
- { 32, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST_GOT
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_TLS_GD
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_TLS_GD
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_TLS_LE
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_TLS_LE
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IRELATIVE
- { 0, 0, 0, 0, 0}, // R_TILEGX_INVALID
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_TLS_IE
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_TLS_IE
- { 0, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL
- { 0, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL
- { 16, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL
- { 16, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL
- { 32, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL
- { 32, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE
- { 0, 0, 0, 0, 0}, // R_TILEGX_INVALID
- { 0, 0, 0, 0, 0}, // R_TILEGX_INVALID
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPMOD64
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPOFF64
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_TPOFF64
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPMOD32
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPOFF32
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_TPOFF32
- { 3, 31, 1, 27, 0}, // R_TILEGX_TLS_GD_CALL
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X0_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X1_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y0_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y1_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_IE_LOAD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X0_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X1_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y0_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y1_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_GNU_VTINHERIT
- { 0, 0, 0, 0, 0}, // R_TILEGX_GNU_VTENTRY
- };
- template<>
- const Tilegx_relocate_functions<32, true>::Tilegx_howto
- Tilegx_relocate_functions<32, true>::howto[elfcpp::R_TILEGX_NUM] =
- {
- { 0, 0, 0, 0, 0}, // R_TILEGX_NONE
- { 0, 0, 0, 64, 0}, // R_TILEGX_64
- { 0, 0, 0, 32, 0}, // R_TILEGX_32
- { 0, 0, 0, 16, 0}, // R_TILEGX_16
- { 0, 0, 0, 8, 0}, // R_TILEGX_8
- { 0, 0, 1, 64, 0}, // R_TILEGX_64_PCREL
- { 0, 0, 1, 32, 0}, // R_TILEGX_32_PCREL
- { 0, 0, 1, 16, 0}, // R_TILEGX_16_PCREL
- { 0, 0, 1, 8, 0}, // R_TILEGX_8_PCREL
- { 0, 0, 0, 0, 0}, // R_TILEGX_HW0
- { 16, 0, 0, 0, 0}, // R_TILEGX_HW1
- { 31, 0, 0, 0, 0}, // R_TILEGX_HW2
- { 31, 0, 0, 0, 0}, // R_TILEGX_HW3
- { 0, 0, 0, 0, 0}, // R_TILEGX_HW0_LAST
- { 16, 0, 0, 0, 0}, // R_TILEGX_HW1_LAST
- { 31, 0, 0, 0, 0}, // R_TILEGX_HW2_LAST
- { 0, 0, 0, 0, 0}, // R_TILEGX_COPY
- { 0, 0, 0, 8, 0}, // R_TILEGX_GLOB_DAT
- { 0, 0, 0, 0, 0}, // R_TILEGX_JMP_SLOT
- { 0, 0, 0, 0, 0}, // R_TILEGX_RELATIVE
- { 3, 1, 1, 0, 0}, // R_TILEGX_BROFF_X1
- { 3, 31, 1, 27, 0}, // R_TILEGX_JUMPOFF_X1
- { 3, 31, 1, 27, 0}, // R_TILEGX_JUMPOFF_X1_PLT
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_Y0
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_IMM8_Y1
- { 0, 1, 0, 8, 0}, // R_TILEGX_DEST_IMM8_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_MT_IMM14_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_MF_IMM14_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_MMSTART_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_MMEND_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_X0
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_X1
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_Y0
- { 0, 1, 0, 8, 0}, // R_TILEGX_SHAMT_Y1
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0
- { 16, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW1
- { 16, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW1
- { 31, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW2
- { 31, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW2
- { 31, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW3
- { 31, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW3
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST
- { 31, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST
- { 31, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST
- { 0, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW0_PCREL
- { 0, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW0_PCREL
- { 16, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW1_PCREL
- { 16, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW1_PCREL
- { 31, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW2_PCREL
- { 31, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW2_PCREL
- { 31, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW3_PCREL
- { 31, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW3_PCREL
- { 0, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_PCREL
- { 0, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_PCREL
- { 16, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_PCREL
- { 16, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_PCREL
- { 31, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST_PCREL
- { 31, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST_PCREL
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_GOT
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_GOT
- { 0, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW0_PLT_PCREL
- { 0, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW0_PLT_PCREL
- { 16, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW1_PLT_PCREL
- { 16, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW1_PLT_PCREL
- { 31, 12, 1, 16, 0}, // R_TILEGX_IMM16_X0_HW2_PLT_PCREL
- { 31, 43, 1, 16, 0}, // R_TILEGX_IMM16_X1_HW2_PLT_PCREL
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_GOT
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_GOT
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_GOT
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_GOT
- { 31, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST_GOT
- { 31, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST_GOT
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_TLS_GD
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_TLS_GD
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_TLS_LE
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_TLS_LE
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IRELATIVE
- { 0, 0, 0, 0, 0}, // R_TILEGX_INVALID
- { 0, 12, 0, 16, 0}, // R_TILEGX_IMM16_X0_HW0_TLS_IE
- { 0, 43, 0, 16, 0}, // R_TILEGX_IMM16_X1_HW0_TLS_IE
- { 0, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL
- { 0, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL
- { 16, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL
- { 16, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL
- { 31, 12, 1, 16, 1}, // R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL
- { 31, 43, 1, 16, 1}, // R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL
- { 0, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE
- { 0, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE
- { 16, 12, 0, 16, 1}, // R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE
- { 16, 43, 0, 16, 1}, // R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE
- { 0, 0, 0, 0, 0}, // R_TILEGX_INVALID
- { 0, 0, 0, 0, 0}, // R_TILEGX_INVALID
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPMOD64
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPOFF64
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_TPOFF64
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPMOD32
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_DTPOFF32
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_TPOFF32
- { 3, 31, 1, 27, 0}, // R_TILEGX_TLS_GD_CALL
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X0_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X1_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y0_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y1_TLS_GD_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_TLS_IE_LOAD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X0_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_X1_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y0_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_IMM8_Y1_TLS_ADD
- { 0, 0, 0, 0, 0}, // R_TILEGX_GNU_VTINHERIT
- { 0, 0, 0, 0, 0}, // R_TILEGX_GNU_VTENTRY
- };
- // Get the GOT section, creating it if necessary.
- template<int size, bool big_endian>
- Output_data_got<size, big_endian>*
- Target_tilegx<size, big_endian>::got_section(Symbol_table* symtab,
- Layout* layout)
- {
- if (this->got_ == NULL)
- {
- gold_assert(symtab != NULL && layout != NULL);
- // When using -z now, we can treat .got.plt as a relro section.
- // Without -z now, it is modified after program startup by lazy
- // PLT relocations.
- bool is_got_plt_relro = parameters->options().now();
- Output_section_order got_order = (is_got_plt_relro
- ? ORDER_RELRO
- : ORDER_RELRO_LAST);
- Output_section_order got_plt_order = (is_got_plt_relro
- ? ORDER_RELRO
- : ORDER_NON_RELRO_FIRST);
- this->got_ = new Output_data_got<size, big_endian>();
- layout->add_output_section_data(".got", elfcpp::SHT_PROGBITS,
- (elfcpp::SHF_ALLOC
- | elfcpp::SHF_WRITE),
- this->got_, got_order, true);
- // Define _GLOBAL_OFFSET_TABLE_ at the start of the PLT.
- this->global_offset_table_ =
- symtab->define_in_output_data("_GLOBAL_OFFSET_TABLE_", NULL,
- Symbol_table::PREDEFINED,
- this->got_,
- 0, 0, elfcpp::STT_OBJECT,
- elfcpp::STB_LOCAL,
- elfcpp::STV_HIDDEN, 0,
- false, false);
- if (parameters->options().shared()) {
- // we need to keep the address of .dynamic section in the
- // first got entry for .so
- this->tilegx_dynamic_ =
- symtab->define_in_output_data("_TILEGX_DYNAMIC_", NULL,
- Symbol_table::PREDEFINED,
- layout->dynamic_section(),
- 0, 0, elfcpp::STT_OBJECT,
- elfcpp::STB_LOCAL,
- elfcpp::STV_HIDDEN, 0,
- false, false);
- this->got_->add_global(this->tilegx_dynamic_, GOT_TYPE_STANDARD);
- } else
- // for executable, just set the first entry to zero.
- this->got_->set_current_data_size(size / 8);
- this->got_plt_ = new Output_data_space(size / 8, "** GOT PLT");
- layout->add_output_section_data(".got.plt", elfcpp::SHT_PROGBITS,
- (elfcpp::SHF_ALLOC
- | elfcpp::SHF_WRITE),
- this->got_plt_, got_plt_order,
- is_got_plt_relro);
- // The first two entries are reserved.
- this->got_plt_->set_current_data_size
- (TILEGX_GOTPLT_RESERVE_COUNT * (size / 8));
- if (!is_got_plt_relro)
- {
- // Those bytes can go into the relro segment.
- layout->increase_relro(size / 8);
- }
- // If there are any IRELATIVE relocations, they get GOT entries
- // in .got.plt after the jump slot entries.
- this->got_irelative_
- = new Output_data_space(size / 8, "** GOT IRELATIVE PLT");
- layout->add_output_section_data(".got.plt", elfcpp::SHT_PROGBITS,
- (elfcpp::SHF_ALLOC
- | elfcpp::SHF_WRITE),
- this->got_irelative_,
- got_plt_order, is_got_plt_relro);
- }
- return this->got_;
- }
- // Get the dynamic reloc section, creating it if necessary.
- template<int size, bool big_endian>
- typename Target_tilegx<size, big_endian>::Reloc_section*
- Target_tilegx<size, big_endian>::rela_dyn_section(Layout* layout)
- {
- if (this->rela_dyn_ == NULL)
- {
- gold_assert(layout != NULL);
- this->rela_dyn_ = new Reloc_section(parameters->options().combreloc());
- layout->add_output_section_data(".rela.dyn", elfcpp::SHT_RELA,
- elfcpp::SHF_ALLOC, this->rela_dyn_,
- ORDER_DYNAMIC_RELOCS, false);
- }
- return this->rela_dyn_;
- }
- // Get the section to use for IRELATIVE relocs, creating it if
- // necessary. These go in .rela.dyn, but only after all other dynamic
- // relocations. They need to follow the other dynamic relocations so
- // that they can refer to global variables initialized by those
- // relocs.
- template<int size, bool big_endian>
- typename Target_tilegx<size, big_endian>::Reloc_section*
- Target_tilegx<size, big_endian>::rela_irelative_section(Layout* layout)
- {
- if (this->rela_irelative_ == NULL)
- {
- // Make sure we have already created the dynamic reloc section.
- this->rela_dyn_section(layout);
- this->rela_irelative_ = new Reloc_section(false);
- layout->add_output_section_data(".rela.dyn", elfcpp::SHT_RELA,
- elfcpp::SHF_ALLOC, this->rela_irelative_,
- ORDER_DYNAMIC_RELOCS, false);
- gold_assert(this->rela_dyn_->output_section()
- == this->rela_irelative_->output_section());
- }
- return this->rela_irelative_;
- }
- // Initialize the PLT section.
- template<int size, bool big_endian>
- void
- Output_data_plt_tilegx<size, big_endian>::init(Layout* layout)
- {
- this->rel_ = new Reloc_section(false);
- layout->add_output_section_data(".rela.plt", elfcpp::SHT_RELA,
- elfcpp::SHF_ALLOC, this->rel_,
- ORDER_DYNAMIC_PLT_RELOCS, false);
- }
- template<int size, bool big_endian>
- void
- Output_data_plt_tilegx<size, big_endian>::do_adjust_output_section(
- Output_section* os)
- {
- os->set_entsize(this->get_plt_entry_size());
- }
- // Add an entry to the PLT.
- template<int size, bool big_endian>
- void
- Output_data_plt_tilegx<size, big_endian>::add_entry(Symbol_table* symtab,
- Layout* layout, Symbol* gsym)
- {
- gold_assert(!gsym->has_plt_offset());
- unsigned int plt_index;
- off_t plt_offset;
- section_offset_type got_offset;
- unsigned int* pcount;
- unsigned int reserved;
- Output_data_space* got;
- if (gsym->type() == elfcpp::STT_GNU_IFUNC
- && gsym->can_use_relative_reloc(false))
- {
- pcount = &this->irelative_count_;
- reserved = 0;
- got = this->got_irelative_;
- }
- else
- {
- pcount = &this->count_;
- reserved = TILEGX_GOTPLT_RESERVE_COUNT;
- got = this->got_plt_;
- }
- if (!this->is_data_size_valid())
- {
- plt_index = *pcount;
- // TILEGX .plt section layout
- //
- // ----
- // plt_header
- // ----
- // plt stub
- // ----
- // ...
- // ----
- //
- // TILEGX .got.plt section layout
- //
- // ----
- // reserv1
- // ----
- // reserv2
- // ----
- // entries for normal function
- // ----
- // ...
- // ----
- // entries for ifunc
- // ----
- // ...
- // ----
- if (got == this->got_irelative_)
- plt_offset = plt_index * this->get_plt_entry_size();
- else
- plt_offset = (plt_index + 1) * this->get_plt_entry_size();
- ++*pcount;
- got_offset = (plt_index + reserved) * (size / 8);
- gold_assert(got_offset == got->current_data_size());
- // Every PLT entry needs a GOT entry which points back to the PLT
- // entry (this will be changed by the dynamic linker, normally
- // lazily when the function is called).
- got->set_current_data_size(got_offset + size / 8);
- }
- else
- {
- // FIXME: This is probably not correct for IRELATIVE relocs.
- // For incremental updates, find an available slot.
- plt_offset = this->free_list_.allocate(this->get_plt_entry_size(),
- this->get_plt_entry_size(), 0);
- if (plt_offset == -1)
- gold_fallback(_("out of patch space (PLT);"
- " relink with --incremental-full"));
- // The GOT and PLT entries have a 1-1 correspondance, so the GOT offset
- // can be calculated from the PLT index, adjusting for the three
- // reserved entries at the beginning of the GOT.
- plt_index = plt_offset / this->get_plt_entry_size() - 1;
- got_offset = (plt_index + reserved) * (size / 8);
- }
- gsym->set_plt_offset(plt_offset);
- // Every PLT entry needs a reloc.
- this->add_relocation(symtab, layout, gsym, got_offset);
- // Note that we don't need to save the symbol. The contents of the
- // PLT are independent of which symbols are used. The symbols only
- // appear in the relocations.
- }
- // Add an entry to the PLT for a local STT_GNU_IFUNC symbol. Return
- // the PLT offset.
- template<int size, bool big_endian>
- unsigned int
- Output_data_plt_tilegx<size, big_endian>::add_local_ifunc_entry(
- Symbol_table* symtab,
- Layout* layout,
- Sized_relobj_file<size, big_endian>* relobj,
- unsigned int local_sym_index)
- {
- unsigned int plt_offset =
- this->irelative_count_ * this->get_plt_entry_size();
- ++this->irelative_count_;
- section_offset_type got_offset = this->got_irelative_->current_data_size();
- // Every PLT entry needs a GOT entry which points back to the PLT
- // entry.
- this->got_irelative_->set_current_data_size(got_offset + size / 8);
- // Every PLT entry needs a reloc.
- Reloc_section* rela = this->rela_irelative(symtab, layout);
- rela->add_symbolless_local_addend(relobj, local_sym_index,
- elfcpp::R_TILEGX_IRELATIVE,
- this->got_irelative_, got_offset, 0);
- return plt_offset;
- }
- // Add the relocation for a PLT entry.
- template<int size, bool big_endian>
- void
- Output_data_plt_tilegx<size, big_endian>::add_relocation(Symbol_table* symtab,
- Layout* layout,
- Symbol* gsym,
- unsigned int got_offset)
- {
- if (gsym->type() == elfcpp::STT_GNU_IFUNC
- && gsym->can_use_relative_reloc(false))
- {
- Reloc_section* rela = this->rela_irelative(symtab, layout);
- rela->add_symbolless_global_addend(gsym, elfcpp::R_TILEGX_IRELATIVE,
- this->got_irelative_, got_offset, 0);
- }
- else
- {
- gsym->set_needs_dynsym_entry();
- this->rel_->add_global(gsym, elfcpp::R_TILEGX_JMP_SLOT, this->got_plt_,
- got_offset, 0);
- }
- }
- // Return where the IRELATIVE relocations should go in the PLT. These
- // follow the JUMP_SLOT and the TLSDESC relocations.
- template<int size, bool big_endian>
- typename Output_data_plt_tilegx<size, big_endian>::Reloc_section*
- Output_data_plt_tilegx<size, big_endian>::rela_irelative(Symbol_table* symtab,
- Layout* layout)
- {
- if (this->irelative_rel_ == NULL)
- {
- // case we see any later on.
- this->irelative_rel_ = new Reloc_section(false);
- layout->add_output_section_data(".rela.plt", elfcpp::SHT_RELA,
- elfcpp::SHF_ALLOC, this->irelative_rel_,
- ORDER_DYNAMIC_PLT_RELOCS, false);
- gold_assert(this->irelative_rel_->output_section()
- == this->rel_->output_section());
- if (parameters->doing_static_link())
- {
- // A statically linked executable will only have a .rela.plt
- // section to hold R_TILEGX_IRELATIVE relocs for
- // STT_GNU_IFUNC symbols. The library will use these
- // symbols to locate the IRELATIVE relocs at program startup
- // time.
- symtab->define_in_output_data("__rela_iplt_start", NULL,
- Symbol_table::PREDEFINED,
- this->irelative_rel_, 0, 0,
- elfcpp::STT_NOTYPE, elfcpp::STB_GLOBAL,
- elfcpp::STV_HIDDEN, 0, false, true);
- symtab->define_in_output_data("__rela_iplt_end", NULL,
- Symbol_table::PREDEFINED,
- this->irelative_rel_, 0, 0,
- elfcpp::STT_NOTYPE, elfcpp::STB_GLOBAL,
- elfcpp::STV_HIDDEN, 0, true, true);
- }
- }
- return this->irelative_rel_;
- }
- // Return the PLT address to use for a global symbol.
- template<int size, bool big_endian>
- uint64_t
- Output_data_plt_tilegx<size, big_endian>::address_for_global(
- const Symbol* gsym)
- {
- uint64_t offset = 0;
- if (gsym->type() == elfcpp::STT_GNU_IFUNC
- && gsym->can_use_relative_reloc(false))
- offset = (this->count_ + 1) * this->get_plt_entry_size();
- return this->address() + offset + gsym->plt_offset();
- }
- // Return the PLT address to use for a local symbol. These are always
- // IRELATIVE relocs.
- template<int size, bool big_endian>
- uint64_t
- Output_data_plt_tilegx<size, big_endian>::address_for_local(
- const Relobj* object,
- unsigned int r_sym)
- {
- return (this->address()
- + (this->count_ + 1) * this->get_plt_entry_size()
- + object->local_plt_offset(r_sym));
- }
- // Set the final size.
- template<int size, bool big_endian>
- void
- Output_data_plt_tilegx<size, big_endian>::set_final_data_size()
- {
- unsigned int count = this->count_ + this->irelative_count_;
- this->set_data_size((count + 1) * this->get_plt_entry_size());
- }
- // The first entry in the PLT for an executable.
- template<>
- const unsigned char
- Output_data_plt_tilegx<64, false>::first_plt_entry[plt_entry_size] =
- {
- 0x00, 0x30, 0x48, 0x51,
- 0x6e, 0x43, 0xa0, 0x18, // { ld_add r28, r27, 8 }
- 0x00, 0x30, 0xbc, 0x35,
- 0x00, 0x40, 0xde, 0x9e, // { ld r27, r27 }
- 0xff, 0xaf, 0x30, 0x40,
- 0x60, 0x73, 0x6a, 0x28, // { info 10 ; jr r27 }
- // padding
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00
- };
- template<>
- const unsigned char
- Output_data_plt_tilegx<32, false>::first_plt_entry[plt_entry_size] =
- {
- 0x00, 0x30, 0x48, 0x51,
- 0x6e, 0x23, 0x58, 0x18, // { ld4s_add r28, r27, 4 }
- 0x00, 0x30, 0xbc, 0x35,
- 0x00, 0x40, 0xde, 0x9c, // { ld4s r27, r27 }
- 0xff, 0xaf, 0x30, 0x40,
- 0x60, 0x73, 0x6a, 0x28, // { info 10 ; jr r27 }
- // padding
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00
- };
- template<>
- const unsigned char
- Output_data_plt_tilegx<64, true>::first_plt_entry[plt_entry_size] =
- {
- 0x00, 0x30, 0x48, 0x51,
- 0x6e, 0x43, 0xa0, 0x18, // { ld_add r28, r27, 8 }
- 0x00, 0x30, 0xbc, 0x35,
- 0x00, 0x40, 0xde, 0x9e, // { ld r27, r27 }
- 0xff, 0xaf, 0x30, 0x40,
- 0x60, 0x73, 0x6a, 0x28, // { info 10 ; jr r27 }
- // padding
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00
- };
- template<>
- const unsigned char
- Output_data_plt_tilegx<32, true>::first_plt_entry[plt_entry_size] =
- {
- 0x00, 0x30, 0x48, 0x51,
- 0x6e, 0x23, 0x58, 0x18, // { ld4s_add r28, r27, 4 }
- 0x00, 0x30, 0xbc, 0x35,
- 0x00, 0x40, 0xde, 0x9c, // { ld4s r27, r27 }
- 0xff, 0xaf, 0x30, 0x40,
- 0x60, 0x73, 0x6a, 0x28, // { info 10 ; jr r27 }
- // padding
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00
- };
- template<int size, bool big_endian>
- void
- Output_data_plt_tilegx<size, big_endian>::fill_first_plt_entry(
- unsigned char* pov)
- {
- memcpy(pov, first_plt_entry, plt_entry_size);
- }
- // Subsequent entries in the PLT for an executable.
- template<>
- const unsigned char
- Output_data_plt_tilegx<64, false>::plt_entry[plt_entry_size] =
- {
- 0xdc, 0x0f, 0x00, 0x10,
- 0x0d, 0xf0, 0x6a, 0x28, // { moveli r28, 0 ; lnk r26 }
- 0xdb, 0x0f, 0x00, 0x10,
- 0x8e, 0x03, 0x00, 0x38, // { moveli r27, 0 ; shl16insli r28, r28, 0 }
- 0x9c, 0xc6, 0x0d, 0xd0,
- 0x6d, 0x03, 0x00, 0x38, // { add r28, r26, r28 ; shl16insli r27, r27, 0 }
- 0x9b, 0xb6, 0xc5, 0xad,
- 0xff, 0x57, 0xe0, 0x8e, // { add r27, r26, r27 ; info 10 ; ld r28, r28 }
- 0xdd, 0x0f, 0x00, 0x70,
- 0x80, 0x73, 0x6a, 0x28, // { shl16insli r29, zero, 0 ; jr r28 }
- };
- template<>
- const unsigned char
- Output_data_plt_tilegx<32, false>::plt_entry[plt_entry_size] =
- {
- 0xdc, 0x0f, 0x00, 0x10,
- 0x0d, 0xf0, 0x6a, 0x28, // { moveli r28, 0 ; lnk r26 }
- 0xdb, 0x0f, 0x00, 0x10,
- 0x8e, 0x03, 0x00, 0x38, // { moveli r27, 0 ; shl16insli r28, r28, 0 }
- 0x9c, 0xc6, 0x0d, 0xd0,
- 0x6d, 0x03, 0x00, 0x38, // { add r28, r26, r28 ; shl16insli r27, r27, 0 }
- 0x9b, 0xb6, 0xc5, 0xad,
- 0xff, 0x57, 0xe0, 0x8c, // { add r27, r26, r27 ; info 10 ; ld4s r28, r28 }
- 0xdd, 0x0f, 0x00, 0x70,
- 0x80, 0x73, 0x6a, 0x28, // { shl16insli r29, zero, 0 ; jr r28 }
- };
- template<>
- const unsigned char
- Output_data_plt_tilegx<64, true>::plt_entry[plt_entry_size] =
- {
- 0xdc, 0x0f, 0x00, 0x10,
- 0x0d, 0xf0, 0x6a, 0x28, // { moveli r28, 0 ; lnk r26 }
- 0xdb, 0x0f, 0x00, 0x10,
- 0x8e, 0x03, 0x00, 0x38, // { moveli r27, 0 ; shl16insli r28, r28, 0 }
- 0x9c, 0xc6, 0x0d, 0xd0,
- 0x6d, 0x03, 0x00, 0x38, // { add r28, r26, r28 ; shl16insli r27, r27, 0 }
- 0x9b, 0xb6, 0xc5, 0xad,
- 0xff, 0x57, 0xe0, 0x8e, // { add r27, r26, r27 ; info 10 ; ld r28, r28 }
- 0xdd, 0x0f, 0x00, 0x70,
- 0x80, 0x73, 0x6a, 0x28, // { shl16insli r29, zero, 0 ; jr r28 }
- };
- template<>
- const unsigned char
- Output_data_plt_tilegx<32, true>::plt_entry[plt_entry_size] =
- {
- 0xdc, 0x0f, 0x00, 0x10,
- 0x0d, 0xf0, 0x6a, 0x28, // { moveli r28, 0 ; lnk r26 }
- 0xdb, 0x0f, 0x00, 0x10,
- 0x8e, 0x03, 0x00, 0x38, // { moveli r27, 0 ; shl16insli r28, r28, 0 }
- 0x9c, 0xc6, 0x0d, 0xd0,
- 0x6d, 0x03, 0x00, 0x38, // { add r28, r26, r28 ; shl16insli r27, r27, 0 }
- 0x9b, 0xb6, 0xc5, 0xad,
- 0xff, 0x57, 0xe0, 0x8c, // { add r27, r26, r27 ; info 10 ; ld4s r28, r28 }
- 0xdd, 0x0f, 0x00, 0x70,
- 0x80, 0x73, 0x6a, 0x28, // { shl16insli r29, zero, 0 ; jr r28 }
- };
- template<int size, bool big_endian>
- void
- Output_data_plt_tilegx<size, big_endian>::fill_plt_entry(
- unsigned char* pov,
- typename elfcpp::Elf_types<size>::Elf_Addr gotplt_base,
- unsigned int got_offset,
- typename elfcpp::Elf_types<size>::Elf_Addr plt_base,
- unsigned int plt_offset, unsigned int plt_index)
- {
- const uint32_t TILEGX_IMM16_MASK = 0xFFFF;
- const uint32_t TILEGX_X0_IMM16_BITOFF = 12;
- const uint32_t TILEGX_X1_IMM16_BITOFF = 43;
- typedef typename elfcpp::Swap<TILEGX_INST_BUNDLE_SIZE, big_endian>::Valtype
- Valtype;
- memcpy(pov, plt_entry, plt_entry_size);
- // first bundle in plt stub - x0
- Valtype* wv = reinterpret_cast<Valtype*>(pov);
- Valtype val = elfcpp::Swap<TILEGX_INST_BUNDLE_SIZE, big_endian>::readval(wv);
- Valtype reloc =
- ((gotplt_base + got_offset) - (plt_base + plt_offset + 8)) >> 16;
- elfcpp::Elf_Xword dst_mask =
- (elfcpp::Elf_Xword)(TILEGX_IMM16_MASK) << TILEGX_X0_IMM16_BITOFF;
- val &= ~dst_mask;
- reloc &= TILEGX_IMM16_MASK;
- elfcpp::Swap<TILEGX_INST_BUNDLE_SIZE, big_endian>::writeval(wv,
- val | (reloc<<TILEGX_X0_IMM16_BITOFF));
- // second bundle in plt stub - x1
- wv = reinterpret_cast<Valtype*>(pov + 8);
- val = elfcpp::Swap<TILEGX_INST_BUNDLE_SIZE, big_endian>::readval(wv);
- reloc = (gotplt_base + got_offset) - (plt_base + plt_offset + 8);
- dst_mask = (elfcpp::Elf_Xword)(TILEGX_IMM16_MASK) << TILEGX_X1_IMM16_BITOFF;
- val &= ~dst_mask;
- reloc &= TILEGX_IMM16_MASK;
- elfcpp::Swap<TILEGX_INST_BUNDLE_SIZE, big_endian>::writeval(wv,
- val | (reloc<<TILEGX_X1_IMM16_BITOFF));
- // second bundle in plt stub - x0
- wv = reinterpret_cast<Valtype*>(pov + 8);
- val = elfcpp::Swap<TILEGX_INST_BUNDLE_SIZE, big_endian>::readval(wv);
- reloc = (gotplt_base - (plt_base + plt_offset + 8)) >> 16;
- dst_mask = (elfcpp::Elf_Xword)(TILEGX_IMM16_MASK) << TILEGX_X0_IMM16_BITOFF;
- val &= ~dst_mask;
- reloc &= TILEGX_IMM16_MASK;
- elfcpp::Swap<TILEGX_INST_BUNDLE_SIZE, big_endian>::writeval(wv,
- val | (reloc<<TILEGX_X0_IMM16_BITOFF));
- // third bundle in plt stub - x1
- wv = reinterpret_cast<Valtype*>(pov + 16);
- val = elfcpp::Swap<TILEGX_INST_BUNDLE_SIZE, big_endian>::readval(wv);
- reloc = gotplt_base - (plt_base + plt_offset + 8);
- dst_mask = (elfcpp::Elf_Xword)(TILEGX_IMM16_MASK) << TILEGX_X1_IMM16_BITOFF;
- val &= ~dst_mask;
- reloc &= TILEGX_IMM16_MASK;
- elfcpp::Swap<TILEGX_INST_BUNDLE_SIZE, big_endian>::writeval(wv,
- val | (reloc<<TILEGX_X1_IMM16_BITOFF));
- // fifth bundle in plt stub - carry plt_index x0
- wv = reinterpret_cast<Valtype*>(pov + 32);
- val = elfcpp::Swap<TILEGX_INST_BUNDLE_SIZE, big_endian>::readval(wv);
- dst_mask = (elfcpp::Elf_Xword)(TILEGX_IMM16_MASK) << TILEGX_X0_IMM16_BITOFF;
- val &= ~dst_mask;
- plt_index &= TILEGX_IMM16_MASK;
- elfcpp::Swap<TILEGX_INST_BUNDLE_SIZE, big_endian>::writeval(wv,
- val | (plt_index<<TILEGX_X0_IMM16_BITOFF));
- }
- // Write out the PLT. This uses the hand-coded instructions above.
- template<int size, bool big_endian>
- void
- Output_data_plt_tilegx<size, big_endian>::do_write(Output_file* of)
- {
- const off_t offset = this->offset();
- const section_size_type oview_size =
- convert_to_section_size_type(this->data_size());
- unsigned char* const oview = of->get_output_view(offset, oview_size);
- const off_t got_file_offset = this->got_plt_->offset();
- gold_assert(parameters->incremental_update()
- || (got_file_offset + this->got_plt_->data_size()
- == this->got_irelative_->offset()));
- const section_size_type got_size =
- convert_to_section_size_type(this->got_plt_->data_size()
- + this->got_irelative_->data_size());
- unsigned char* const got_view = of->get_output_view(got_file_offset,
- got_size);
- unsigned char* pov = oview;
- // The base address of the .plt section.
- typename elfcpp::Elf_types<size>::Elf_Addr plt_address = this->address();
- typename elfcpp::Elf_types<size>::Elf_Addr got_address =
- this->got_plt_->address();
- this->fill_first_plt_entry(pov);
- pov += this->get_plt_entry_size();
- unsigned char* got_pov = got_view;
- // first entry of .got.plt are set to -1
- // second entry of .got.plt are set to 0
- memset(got_pov, 0xff, size / 8);
- got_pov += size / 8;
- memset(got_pov, 0x0, size / 8);
- got_pov += size / 8;
- unsigned int plt_offset = this->get_plt_entry_size();
- const unsigned int count = this->count_ + this->irelative_count_;
- unsigned int got_offset = (size / 8) * TILEGX_GOTPLT_RESERVE_COUNT;
- for (unsigned int plt_index = 0;
- plt_index < count;
- ++plt_index,
- pov += this->get_plt_entry_size(),
- got_pov += size / 8,
- plt_offset += this->get_plt_entry_size(),
- got_offset += size / 8)
- {
- // Set and adjust the PLT entry itself.
- this->fill_plt_entry(pov, got_address, got_offset,
- plt_address, plt_offset, plt_index);
- // Initialize entry in .got.plt to plt start address
- elfcpp::Swap<size, big_endian>::writeval(got_pov, plt_address);
- }
- gold_assert(static_cast<section_size_type>(pov - oview) == oview_size);
- gold_assert(static_cast<section_size_type>(got_pov - got_view) == got_size);
- of->write_output_view(offset, oview_size, oview);
- of->write_output_view(got_file_offset, got_size, got_view);
- }
- // Create the PLT section.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::make_plt_section(Symbol_table* symtab,
- Layout* layout)
- {
- if (this->plt_ == NULL)
- {
- // Create the GOT sections first.
- this->got_section(symtab, layout);
- // Ensure that .rela.dyn always appears before .rela.plt,
- // because on TILE-Gx, .rela.dyn needs to include .rela.plt
- // in it's range.
- this->rela_dyn_section(layout);
- this->plt_ = new Output_data_plt_tilegx<size, big_endian>(layout,
- TILEGX_INST_BUNDLE_SIZE, this->got_, this->got_plt_,
- this->got_irelative_);
- layout->add_output_section_data(".plt", elfcpp::SHT_PROGBITS,
- (elfcpp::SHF_ALLOC
- | elfcpp::SHF_EXECINSTR),
- this->plt_, ORDER_NON_RELRO_FIRST,
- false);
- // Make the sh_info field of .rela.plt point to .plt.
- Output_section* rela_plt_os = this->plt_->rela_plt()->output_section();
- rela_plt_os->set_info_section(this->plt_->output_section());
- }
- }
- // Create a PLT entry for a global symbol.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::make_plt_entry(Symbol_table* symtab,
- Layout* layout, Symbol* gsym)
- {
- if (gsym->has_plt_offset())
- return;
- if (this->plt_ == NULL)
- this->make_plt_section(symtab, layout);
- this->plt_->add_entry(symtab, layout, gsym);
- }
- // Make a PLT entry for a local STT_GNU_IFUNC symbol.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::make_local_ifunc_plt_entry(
- Symbol_table* symtab, Layout* layout,
- Sized_relobj_file<size, big_endian>* relobj,
- unsigned int local_sym_index)
- {
- if (relobj->local_has_plt_offset(local_sym_index))
- return;
- if (this->plt_ == NULL)
- this->make_plt_section(symtab, layout);
- unsigned int plt_offset = this->plt_->add_local_ifunc_entry(symtab, layout,
- relobj,
- local_sym_index);
- relobj->set_local_plt_offset(local_sym_index, plt_offset);
- }
- // Return the number of entries in the PLT.
- template<int size, bool big_endian>
- unsigned int
- Target_tilegx<size, big_endian>::plt_entry_count() const
- {
- if (this->plt_ == NULL)
- return 0;
- return this->plt_->entry_count();
- }
- // Return the offset of the first non-reserved PLT entry.
- template<int size, bool big_endian>
- unsigned int
- Target_tilegx<size, big_endian>::first_plt_entry_offset() const
- {
- return this->plt_->first_plt_entry_offset();
- }
- // Return the size of each PLT entry.
- template<int size, bool big_endian>
- unsigned int
- Target_tilegx<size, big_endian>::plt_entry_size() const
- {
- return this->plt_->get_plt_entry_size();
- }
- // Create the GOT and PLT sections for an incremental update.
- template<int size, bool big_endian>
- Output_data_got_base*
- Target_tilegx<size, big_endian>::init_got_plt_for_update(Symbol_table* symtab,
- Layout* layout,
- unsigned int got_count,
- unsigned int plt_count)
- {
- gold_assert(this->got_ == NULL);
- this->got_ =
- new Output_data_got<size, big_endian>((got_count
- + TILEGX_GOT_RESERVE_COUNT)
- * (size / 8));
- layout->add_output_section_data(".got", elfcpp::SHT_PROGBITS,
- (elfcpp::SHF_ALLOC
- | elfcpp::SHF_WRITE),
- this->got_, ORDER_RELRO_LAST,
- true);
- // Define _GLOBAL_OFFSET_TABLE_ at the start of the GOT.
- this->global_offset_table_ =
- symtab->define_in_output_data("_GLOBAL_OFFSET_TABLE_", NULL,
- Symbol_table::PREDEFINED,
- this->got_,
- 0, 0, elfcpp::STT_OBJECT,
- elfcpp::STB_LOCAL,
- elfcpp::STV_HIDDEN, 0,
- false, false);
- if (parameters->options().shared()) {
- this->tilegx_dynamic_ =
- symtab->define_in_output_data("_TILEGX_DYNAMIC_", NULL,
- Symbol_table::PREDEFINED,
- layout->dynamic_section(),
- 0, 0, elfcpp::STT_OBJECT,
- elfcpp::STB_LOCAL,
- elfcpp::STV_HIDDEN, 0,
- false, false);
- this->got_->add_global(this->tilegx_dynamic_, GOT_TYPE_STANDARD);
- } else
- this->got_->set_current_data_size(size / 8);
- // Add the two reserved entries.
- this->got_plt_
- = new Output_data_space((plt_count + TILEGX_GOTPLT_RESERVE_COUNT)
- * (size / 8), size / 8, "** GOT PLT");
- layout->add_output_section_data(".got.plt", elfcpp::SHT_PROGBITS,
- (elfcpp::SHF_ALLOC
- | elfcpp::SHF_WRITE),
- this->got_plt_, ORDER_NON_RELRO_FIRST,
- false);
- // If there are any IRELATIVE relocations, they get GOT entries in
- // .got.plt after the jump slot.
- this->got_irelative_
- = new Output_data_space(0, size / 8, "** GOT IRELATIVE PLT");
- layout->add_output_section_data(".got.plt", elfcpp::SHT_PROGBITS,
- elfcpp::SHF_ALLOC | elfcpp::SHF_WRITE,
- this->got_irelative_,
- ORDER_NON_RELRO_FIRST, false);
- // Create the PLT section.
- this->plt_ = new Output_data_plt_tilegx<size, big_endian>(layout,
- this->plt_entry_size(), this->got_, this->got_plt_, this->got_irelative_,
- plt_count);
- layout->add_output_section_data(".plt", elfcpp::SHT_PROGBITS,
- elfcpp::SHF_ALLOC | elfcpp::SHF_EXECINSTR,
- this->plt_, ORDER_PLT, false);
- // Make the sh_info field of .rela.plt point to .plt.
- Output_section* rela_plt_os = this->plt_->rela_plt()->output_section();
- rela_plt_os->set_info_section(this->plt_->output_section());
- // Create the rela_dyn section.
- this->rela_dyn_section(layout);
- return this->got_;
- }
- // Reserve a GOT entry for a local symbol, and regenerate any
- // necessary dynamic relocations.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::reserve_local_got_entry(
- unsigned int got_index,
- Sized_relobj<size, big_endian>* obj,
- unsigned int r_sym,
- unsigned int got_type)
- {
- unsigned int got_offset = (got_index + TILEGX_GOT_RESERVE_COUNT)
- * (size / 8);
- Reloc_section* rela_dyn = this->rela_dyn_section(NULL);
- this->got_->reserve_local(got_index, obj, r_sym, got_type);
- switch (got_type)
- {
- case GOT_TYPE_STANDARD:
- if (parameters->options().output_is_position_independent())
- rela_dyn->add_local_relative(obj, r_sym, elfcpp::R_TILEGX_RELATIVE,
- this->got_, got_offset, 0, false);
- break;
- case GOT_TYPE_TLS_OFFSET:
- rela_dyn->add_local(obj, r_sym,
- size == 32 ? elfcpp::R_TILEGX_TLS_DTPOFF32
- : elfcpp::R_TILEGX_TLS_DTPOFF64,
- this->got_, got_offset, 0);
- break;
- case GOT_TYPE_TLS_PAIR:
- this->got_->reserve_slot(got_index + 1);
- rela_dyn->add_local(obj, r_sym,
- size == 32 ? elfcpp::R_TILEGX_TLS_DTPMOD32
- : elfcpp::R_TILEGX_TLS_DTPMOD64,
- this->got_, got_offset, 0);
- break;
- case GOT_TYPE_TLS_DESC:
- gold_fatal(_("TLS_DESC not yet supported for incremental linking"));
- break;
- default:
- gold_unreachable();
- }
- }
- // Reserve a GOT entry for a global symbol, and regenerate any
- // necessary dynamic relocations.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::reserve_global_got_entry(
- unsigned int got_index, Symbol* gsym, unsigned int got_type)
- {
- unsigned int got_offset = (got_index + TILEGX_GOT_RESERVE_COUNT)
- * (size / 8);
- Reloc_section* rela_dyn = this->rela_dyn_section(NULL);
- this->got_->reserve_global(got_index, gsym, got_type);
- switch (got_type)
- {
- case GOT_TYPE_STANDARD:
- if (!gsym->final_value_is_known())
- {
- if (gsym->is_from_dynobj()
- || gsym->is_undefined()
- || gsym->is_preemptible()
- || gsym->type() == elfcpp::STT_GNU_IFUNC)
- rela_dyn->add_global(gsym, elfcpp::R_TILEGX_GLOB_DAT,
- this->got_, got_offset, 0);
- else
- rela_dyn->add_global_relative(gsym, elfcpp::R_TILEGX_RELATIVE,
- this->got_, got_offset, 0, false);
- }
- break;
- case GOT_TYPE_TLS_OFFSET:
- rela_dyn->add_global_relative(gsym,
- size == 32 ? elfcpp::R_TILEGX_TLS_TPOFF32
- : elfcpp::R_TILEGX_TLS_TPOFF64,
- this->got_, got_offset, 0, false);
- break;
- case GOT_TYPE_TLS_PAIR:
- this->got_->reserve_slot(got_index + 1);
- rela_dyn->add_global_relative(gsym,
- size == 32 ? elfcpp::R_TILEGX_TLS_DTPMOD32
- : elfcpp::R_TILEGX_TLS_DTPMOD64,
- this->got_, got_offset, 0, false);
- rela_dyn->add_global_relative(gsym,
- size == 32 ? elfcpp::R_TILEGX_TLS_DTPOFF32
- : elfcpp::R_TILEGX_TLS_DTPOFF64,
- this->got_, got_offset + size / 8,
- 0, false);
- break;
- case GOT_TYPE_TLS_DESC:
- gold_fatal(_("TLS_DESC not yet supported for TILEGX"));
- break;
- default:
- gold_unreachable();
- }
- }
- // Register an existing PLT entry for a global symbol.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::register_global_plt_entry(
- Symbol_table* symtab, Layout* layout, unsigned int plt_index, Symbol* gsym)
- {
- gold_assert(this->plt_ != NULL);
- gold_assert(!gsym->has_plt_offset());
- this->plt_->reserve_slot(plt_index);
- gsym->set_plt_offset((plt_index + 1) * this->plt_entry_size());
- unsigned int got_offset = (plt_index + 2) * (size / 8);
- this->plt_->add_relocation(symtab, layout, gsym, got_offset);
- }
- // Force a COPY relocation for a given symbol.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::emit_copy_reloc(
- Symbol_table* symtab, Symbol* sym, Output_section* os, off_t offset)
- {
- this->copy_relocs_.emit_copy_reloc(symtab,
- symtab->get_sized_symbol<size>(sym),
- os,
- offset,
- this->rela_dyn_section(NULL));
- }
- // Create a GOT entry for the TLS module index.
- template<int size, bool big_endian>
- unsigned int
- Target_tilegx<size, big_endian>::got_mod_index_entry(Symbol_table* symtab,
- Layout* layout,
- Sized_relobj_file<size, big_endian>* object)
- {
- if (this->got_mod_index_offset_ == -1U)
- {
- gold_assert(symtab != NULL && layout != NULL && object != NULL);
- Reloc_section* rela_dyn = this->rela_dyn_section(layout);
- Output_data_got<size, big_endian>* got
- = this->got_section(symtab, layout);
- unsigned int got_offset = got->add_constant(0);
- rela_dyn->add_local(object, 0,
- size == 32 ? elfcpp::R_TILEGX_TLS_DTPMOD32
- : elfcpp::R_TILEGX_TLS_DTPMOD64, got,
- got_offset, 0);
- got->add_constant(0);
- this->got_mod_index_offset_ = got_offset;
- }
- return this->got_mod_index_offset_;
- }
- // Optimize the TLS relocation type based on what we know about the
- // symbol. IS_FINAL is true if the final address of this symbol is
- // known at link time.
- //
- // the transformation rules is described below:
- //
- // compiler GD reference
- // |
- // V
- // moveli tmp, hw1_last_tls_gd(x) X0/X1
- // shl16insli r0, tmp, hw0_tls_gd(x) X0/X1
- // addi r0, got, tls_add(x) Y0/Y1/X0/X1
- // jal tls_gd_call(x) X1
- // addi adr, r0, tls_gd_add(x) Y0/Y1/X0/X1
- //
- // linker tranformation of GD insn sequence
- // |
- // V
- // ==> GD:
- // moveli tmp, hw1_last_tls_gd(x) X0/X1
- // shl16insli r0, tmp, hw0_tls_gd(x) X0/X1
- // add r0, got, r0 Y0/Y1/X0/X1
- // jal plt(__tls_get_addr) X1
- // move adr, r0 Y0/Y1/X0/X1
- // ==> IE:
- // moveli tmp, hw1_last_tls_ie(x) X0/X1
- // shl16insli r0, tmp, hw0_tls_ie(x) X0/X1
- // add r0, got, r0 Y0/Y1/X0/X1
- // ld r0, r0 X1
- // add adr, r0, tp Y0/Y1/X0/X1
- // ==> LE:
- // moveli tmp, hw1_last_tls_le(x) X0/X1
- // shl16insli r0, tmp, hw0_tls_le(x) X0/X1
- // move r0, r0 Y0/Y1/X0/X1
- // move r0, r0 Y0/Y1/X0/X1
- // add adr, r0, tp Y0/Y1/X0/X1
- //
- //
- // compiler IE reference
- // |
- // V
- // moveli tmp, hw1_last_tls_ie(x) X0/X1
- // shl16insli tmp, tmp, hw0_tls_ie(x) X0/X1
- // addi tmp, got, tls_add(x) Y0/Y1/X0/X1
- // ld_tls tmp, tmp, tls_ie_load(x) X1
- // add adr, tmp, tp Y0/Y1/X0/X1
- //
- // linker transformation for IE insn sequence
- // |
- // V
- // ==> IE:
- // moveli tmp, hw1_last_tls_ie(x) X0/X1
- // shl16insli tmp, tmp, hw0_tls_ie(x) X0/X1
- // add tmp, got, tmp Y0/Y1/X0/X1
- // ld tmp, tmp X1
- // add adr, tmp, tp Y0/Y1/X0/X1
- // ==> LE:
- // moveli tmp, hw1_last_tls_le(x) X0/X1
- // shl16insli tmp, tmp, hw0_tls_le(x) X0/X1
- // move tmp, tmp Y0/Y1/X0/X1
- // move tmp, tmp Y0/Y1/X0/X1
- //
- //
- // compiler LE reference
- // |
- // V
- // moveli tmp, hw1_last_tls_le(x) X0/X1
- // shl16insli tmp, tmp, hw0_tls_le(x) X0/X1
- // add adr, tmp, tp Y0/Y1/X0/X1
- template<int size, bool big_endian>
- tls::Tls_optimization
- Target_tilegx<size, big_endian>::optimize_tls_reloc(bool is_final, int r_type)
- {
- // If we are generating a shared library, then we can't do anything
- // in the linker.
- if (parameters->options().shared())
- return tls::TLSOPT_NONE;
- switch (r_type)
- {
- // unique GD relocations
- case elfcpp::R_TILEGX_TLS_GD_CALL:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- // These are General-Dynamic which permits fully general TLS
- // access. Since we know that we are generating an executable,
- // we can convert this to Initial-Exec. If we also know that
- // this is a local symbol, we can further switch to Local-Exec.
- if (is_final)
- return tls::TLSOPT_TO_LE;
- return tls::TLSOPT_TO_IE;
- // unique IE relocations
- case elfcpp::R_TILEGX_TLS_IE_LOAD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- // These are Initial-Exec relocs which get the thread offset
- // from the GOT. If we know that we are linking against the
- // local symbol, we can switch to Local-Exec, which links the
- // thread offset into the instruction.
- if (is_final)
- return tls::TLSOPT_TO_LE;
- return tls::TLSOPT_NONE;
- // could be created for both GD and IE
- // but they are expanded into the same
- // instruction in GD and IE.
- case elfcpp::R_TILEGX_IMM8_X0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_ADD:
- if (is_final)
- return tls::TLSOPT_TO_LE;
- return tls::TLSOPT_NONE;
- // unique LE relocations
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
- // When we already have Local-Exec, there is nothing further we
- // can do.
- return tls::TLSOPT_NONE;
- default:
- gold_unreachable();
- }
- }
- // Get the Reference_flags for a particular relocation.
- template<int size, bool big_endian>
- int
- Target_tilegx<size, big_endian>::Scan::get_reference_flags(unsigned int r_type)
- {
- switch (r_type)
- {
- case elfcpp::R_TILEGX_NONE:
- case elfcpp::R_TILEGX_GNU_VTINHERIT:
- case elfcpp::R_TILEGX_GNU_VTENTRY:
- // No symbol reference.
- return 0;
- case elfcpp::R_TILEGX_64:
- case elfcpp::R_TILEGX_32:
- case elfcpp::R_TILEGX_16:
- case elfcpp::R_TILEGX_8:
- return Symbol::ABSOLUTE_REF;
- case elfcpp::R_TILEGX_BROFF_X1:
- case elfcpp::R_TILEGX_64_PCREL:
- case elfcpp::R_TILEGX_32_PCREL:
- case elfcpp::R_TILEGX_16_PCREL:
- case elfcpp::R_TILEGX_8_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW3_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW3_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
- return Symbol::RELATIVE_REF;
- case elfcpp::R_TILEGX_JUMPOFF_X1:
- case elfcpp::R_TILEGX_JUMPOFF_X1_PLT:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
- return Symbol::FUNCTION_CALL | Symbol::RELATIVE_REF;
- case elfcpp::R_TILEGX_IMM16_X0_HW0:
- case elfcpp::R_TILEGX_IMM16_X1_HW0:
- case elfcpp::R_TILEGX_IMM16_X0_HW1:
- case elfcpp::R_TILEGX_IMM16_X1_HW1:
- case elfcpp::R_TILEGX_IMM16_X0_HW2:
- case elfcpp::R_TILEGX_IMM16_X1_HW2:
- case elfcpp::R_TILEGX_IMM16_X0_HW3:
- case elfcpp::R_TILEGX_IMM16_X1_HW3:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST:
- return Symbol::ABSOLUTE_REF;
- case elfcpp::R_TILEGX_IMM16_X0_HW0_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_GOT:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_GOT:
- // Absolute in GOT.
- return Symbol::ABSOLUTE_REF;
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- case elfcpp::R_TILEGX_TLS_DTPOFF64:
- case elfcpp::R_TILEGX_TLS_DTPMOD32:
- case elfcpp::R_TILEGX_TLS_DTPOFF32:
- case elfcpp::R_TILEGX_TLS_TPOFF32:
- case elfcpp::R_TILEGX_TLS_GD_CALL:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_TLS_IE_LOAD:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_ADD:
- return Symbol::TLS_REF;
- case elfcpp::R_TILEGX_COPY:
- case elfcpp::R_TILEGX_GLOB_DAT:
- case elfcpp::R_TILEGX_JMP_SLOT:
- case elfcpp::R_TILEGX_RELATIVE:
- case elfcpp::R_TILEGX_TLS_TPOFF64:
- case elfcpp::R_TILEGX_TLS_DTPMOD64:
- default:
- // Not expected. We will give an error later.
- return 0;
- }
- }
- // Report an unsupported relocation against a local symbol.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::Scan::unsupported_reloc_local(
- Sized_relobj_file<size, big_endian>* object,
- unsigned int r_type)
- {
- gold_error(_("%s: unsupported reloc %u against local symbol"),
- object->name().c_str(), r_type);
- }
- // We are about to emit a dynamic relocation of type R_TYPE. If the
- // dynamic linker does not support it, issue an error.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::Scan::check_non_pic(Relobj* object,
- unsigned int r_type)
- {
- switch (r_type)
- {
- // These are the relocation types supported by glibc for tilegx
- // which should always work.
- case elfcpp::R_TILEGX_RELATIVE:
- case elfcpp::R_TILEGX_GLOB_DAT:
- case elfcpp::R_TILEGX_JMP_SLOT:
- case elfcpp::R_TILEGX_TLS_DTPMOD64:
- case elfcpp::R_TILEGX_TLS_DTPOFF64:
- case elfcpp::R_TILEGX_TLS_TPOFF64:
- case elfcpp::R_TILEGX_8:
- case elfcpp::R_TILEGX_16:
- case elfcpp::R_TILEGX_32:
- case elfcpp::R_TILEGX_64:
- case elfcpp::R_TILEGX_COPY:
- case elfcpp::R_TILEGX_IMM16_X0_HW0:
- case elfcpp::R_TILEGX_IMM16_X1_HW0:
- case elfcpp::R_TILEGX_IMM16_X0_HW1:
- case elfcpp::R_TILEGX_IMM16_X1_HW1:
- case elfcpp::R_TILEGX_IMM16_X0_HW2:
- case elfcpp::R_TILEGX_IMM16_X1_HW2:
- case elfcpp::R_TILEGX_IMM16_X0_HW3:
- case elfcpp::R_TILEGX_IMM16_X1_HW3:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST:
- case elfcpp::R_TILEGX_BROFF_X1:
- case elfcpp::R_TILEGX_JUMPOFF_X1:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW3_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW3_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
- return;
- default:
- // This prevents us from issuing more than one error per reloc
- // section. But we can still wind up issuing more than one
- // error per object file.
- if (this->issued_non_pic_error_)
- return;
- gold_assert(parameters->options().output_is_position_independent());
- object->error(_("requires unsupported dynamic reloc %u; "
- "recompile with -fPIC"),
- r_type);
- this->issued_non_pic_error_ = true;
- return;
- case elfcpp::R_TILEGX_NONE:
- gold_unreachable();
- }
- }
- // Return whether we need to make a PLT entry for a relocation of the
- // given type against a STT_GNU_IFUNC symbol.
- template<int size, bool big_endian>
- bool
- Target_tilegx<size, big_endian>::Scan::reloc_needs_plt_for_ifunc(
- Sized_relobj_file<size, big_endian>* object, unsigned int r_type)
- {
- int flags = Scan::get_reference_flags(r_type);
- if (flags & Symbol::TLS_REF)
- gold_error(_("%s: unsupported TLS reloc %u for IFUNC symbol"),
- object->name().c_str(), r_type);
- return flags != 0;
- }
- // Scan a relocation for a local symbol.
- template<int size, bool big_endian>
- inline void
- Target_tilegx<size, big_endian>::Scan::local(Symbol_table* symtab,
- Layout* layout,
- Target_tilegx<size, big_endian>* target,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- Output_section* output_section,
- const elfcpp::Rela<size, big_endian>& reloc,
- unsigned int r_type,
- const elfcpp::Sym<size, big_endian>& lsym,
- bool is_discarded)
- {
- if (is_discarded)
- return;
- // A local STT_GNU_IFUNC symbol may require a PLT entry.
- bool is_ifunc = lsym.get_st_type() == elfcpp::STT_GNU_IFUNC;
- if (is_ifunc && this->reloc_needs_plt_for_ifunc(object, r_type))
- {
- unsigned int r_sym = elfcpp::elf_r_sym<size>(reloc.get_r_info());
- target->make_local_ifunc_plt_entry(symtab, layout, object, r_sym);
- }
- switch (r_type)
- {
- case elfcpp::R_TILEGX_NONE:
- case elfcpp::R_TILEGX_GNU_VTINHERIT:
- case elfcpp::R_TILEGX_GNU_VTENTRY:
- break;
- // If building a shared library (or a position-independent
- // executable), because the runtime address needs plus
- // the module base address, so generate a R_TILEGX_RELATIVE.
- case elfcpp::R_TILEGX_32:
- case elfcpp::R_TILEGX_64:
- if (parameters->options().output_is_position_independent())
- {
- unsigned int r_sym = elfcpp::elf_r_sym<size>(reloc.get_r_info());
- Reloc_section* rela_dyn = target->rela_dyn_section(layout);
- rela_dyn->add_local_relative(object, r_sym,
- elfcpp::R_TILEGX_RELATIVE,
- output_section, data_shndx,
- reloc.get_r_offset(),
- reloc.get_r_addend(), is_ifunc);
- }
- break;
- // If building a shared library (or a position-independent
- // executable), we need to create a dynamic relocation for this
- // location.
- case elfcpp::R_TILEGX_8:
- case elfcpp::R_TILEGX_16:
- case elfcpp::R_TILEGX_IMM16_X0_HW0:
- case elfcpp::R_TILEGX_IMM16_X1_HW0:
- case elfcpp::R_TILEGX_IMM16_X0_HW1:
- case elfcpp::R_TILEGX_IMM16_X1_HW1:
- case elfcpp::R_TILEGX_IMM16_X0_HW2:
- case elfcpp::R_TILEGX_IMM16_X1_HW2:
- case elfcpp::R_TILEGX_IMM16_X0_HW3:
- case elfcpp::R_TILEGX_IMM16_X1_HW3:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST:
- if (parameters->options().output_is_position_independent())
- {
- this->check_non_pic(object, r_type);
- Reloc_section* rela_dyn = target->rela_dyn_section(layout);
- unsigned int r_sym = elfcpp::elf_r_sym<size>(reloc.get_r_info());
- if (lsym.get_st_type() != elfcpp::STT_SECTION)
- rela_dyn->add_local(object, r_sym, r_type, output_section,
- data_shndx, reloc.get_r_offset(),
- reloc.get_r_addend());
- else
- {
- gold_assert(lsym.get_st_value() == 0);
- rela_dyn->add_symbolless_local_addend(object, r_sym, r_type,
- output_section,
- data_shndx,
- reloc.get_r_offset(),
- reloc.get_r_addend());
- }
- }
- break;
- // R_TILEGX_JUMPOFF_X1_PLT against local symbol
- // may happen for ifunc case.
- case elfcpp::R_TILEGX_JUMPOFF_X1_PLT:
- case elfcpp::R_TILEGX_JUMPOFF_X1:
- case elfcpp::R_TILEGX_64_PCREL:
- case elfcpp::R_TILEGX_32_PCREL:
- case elfcpp::R_TILEGX_16_PCREL:
- case elfcpp::R_TILEGX_8_PCREL:
- case elfcpp::R_TILEGX_BROFF_X1:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW3_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW3_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
- break;
- case elfcpp::R_TILEGX_IMM16_X0_HW0_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_GOT:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_GOT:
- {
- // The symbol requires a GOT entry.
- Output_data_got<size, big_endian>* got
- = target->got_section(symtab, layout);
- unsigned int r_sym = elfcpp::elf_r_sym<size>(reloc.get_r_info());
- // For a STT_GNU_IFUNC symbol we want the PLT offset. That
- // lets function pointers compare correctly with shared
- // libraries. Otherwise we would need an IRELATIVE reloc.
- bool is_new;
- if (is_ifunc)
- is_new = got->add_local_plt(object, r_sym, GOT_TYPE_STANDARD);
- else
- is_new = got->add_local(object, r_sym, GOT_TYPE_STANDARD);
- if (is_new)
- {
- // tilegx dynamic linker will not update local got entry,
- // so, if we are generating a shared object, we need to add a
- // dynamic relocation for this symbol's GOT entry to inform
- // dynamic linker plus the load base explicitly.
- if (parameters->options().output_is_position_independent())
- {
- unsigned int got_offset
- = object->local_got_offset(r_sym, GOT_TYPE_STANDARD);
- Reloc_section* rela_dyn = target->rela_dyn_section(layout);
- rela_dyn->add_local_relative(object, r_sym,
- r_type,
- got, got_offset, 0, is_ifunc);
- }
- }
- }
- break;
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- case elfcpp::R_TILEGX_TLS_GD_CALL:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_TLS_IE_LOAD:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_ADD:
- {
- bool output_is_shared = parameters->options().shared();
- const tls::Tls_optimization opt_t =
- Target_tilegx<size, big_endian>::optimize_tls_reloc(
- !output_is_shared, r_type);
- switch (r_type)
- {
- case elfcpp::R_TILEGX_TLS_GD_CALL:
- // FIXME: predefine __tls_get_addr
- //
- // R_TILEGX_TLS_GD_CALL implicitly reference __tls_get_addr,
- // while all other target, x86/arm/mips/powerpc/sparc
- // generate tls relocation against __tls_get_addr explicitly,
- // so for TILEGX, we need the following hack.
- if (opt_t == tls::TLSOPT_NONE) {
- if (!target->tls_get_addr_sym_defined_) {
- Symbol* sym = NULL;
- options::parse_set(NULL, "__tls_get_addr",
- (gold::options::String_set*)
- ¶meters->options().undefined());
- symtab->add_undefined_symbols_from_command_line(layout);
- target->tls_get_addr_sym_defined_ = true;
- sym = symtab->lookup("__tls_get_addr");
- sym->set_in_reg();
- }
- target->make_plt_entry(symtab, layout,
- symtab->lookup("__tls_get_addr"));
- }
- break;
- // only make effect when applying relocation
- case elfcpp::R_TILEGX_TLS_IE_LOAD:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_GD_ADD:
- break;
- // GD: requires two GOT entry for module index and offset
- // IE: requires one GOT entry for tp-relative offset
- // LE: shouldn't happen for global symbol
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- {
- if (opt_t == tls::TLSOPT_NONE) {
- Output_data_got<size, big_endian> *got
- = target->got_section(symtab, layout);
- unsigned int r_sym
- = elfcpp::elf_r_sym<size>(reloc.get_r_info());
- unsigned int shndx = lsym.get_st_shndx();
- bool is_ordinary;
- shndx = object->adjust_sym_shndx(r_sym, shndx,
- &is_ordinary);
- if (!is_ordinary)
- object->error(_("local symbol %u has bad shndx %u"),
- r_sym, shndx);
- else
- got->add_local_pair_with_rel(object, r_sym, shndx,
- GOT_TYPE_TLS_PAIR,
- target->rela_dyn_section(layout),
- size == 32
- ? elfcpp::R_TILEGX_TLS_DTPMOD32
- : elfcpp::R_TILEGX_TLS_DTPMOD64);
- } else if (opt_t == tls::TLSOPT_TO_IE) {
- Output_data_got<size, big_endian>* got
- = target->got_section(symtab, layout);
- Reloc_section* rela_dyn
- = target->rela_dyn_section(layout);
- unsigned int r_sym
- = elfcpp::elf_r_sym<size>(reloc.get_r_info());
- unsigned int off = got->add_constant(0);
- object->set_local_got_offset(r_sym,
- GOT_TYPE_TLS_OFFSET,off);
- rela_dyn->add_symbolless_local_addend(object, r_sym,
- size == 32
- ? elfcpp::R_TILEGX_TLS_TPOFF32
- : elfcpp::R_TILEGX_TLS_TPOFF64,
- got, off, 0);
- } else if (opt_t != tls::TLSOPT_TO_LE)
- // only TO_LE is allowed for local symbol
- unsupported_reloc_local(object, r_type);
- }
- break;
- // IE
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- {
- layout->set_has_static_tls();
- if (opt_t == tls::TLSOPT_NONE) {
- Output_data_got<size, big_endian>* got
- = target->got_section(symtab, layout);
- Reloc_section* rela_dyn
- = target->rela_dyn_section(layout);
- unsigned int r_sym
- = elfcpp::elf_r_sym<size>(reloc.get_r_info());
- unsigned int off = got->add_constant(0);
- object->set_local_got_offset(r_sym,
- GOT_TYPE_TLS_OFFSET, off);
- rela_dyn->add_symbolless_local_addend(object, r_sym,
- size == 32
- ? elfcpp::R_TILEGX_TLS_TPOFF32
- : elfcpp::R_TILEGX_TLS_TPOFF64,
- got, off, 0);
- } else if (opt_t != tls::TLSOPT_TO_LE)
- unsupported_reloc_local(object, r_type);
- }
- break;
- // LE
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
- layout->set_has_static_tls();
- if (parameters->options().shared()) {
- // defer to dynamic linker
- gold_assert(lsym.get_st_type() != elfcpp::STT_SECTION);
- unsigned int r_sym
- = elfcpp::elf_r_sym<size>(reloc.get_r_info());
- Reloc_section* rela_dyn = target->rela_dyn_section(layout);
- rela_dyn->add_symbolless_local_addend(object, r_sym, r_type,
- output_section, data_shndx,
- reloc.get_r_offset(), 0);
- }
- break;
- default:
- gold_unreachable();
- }
- }
- break;
- case elfcpp::R_TILEGX_COPY:
- case elfcpp::R_TILEGX_GLOB_DAT:
- case elfcpp::R_TILEGX_JMP_SLOT:
- case elfcpp::R_TILEGX_RELATIVE:
- // These are outstanding tls relocs, which are unexpected when linking
- case elfcpp::R_TILEGX_TLS_TPOFF32:
- case elfcpp::R_TILEGX_TLS_TPOFF64:
- case elfcpp::R_TILEGX_TLS_DTPMOD32:
- case elfcpp::R_TILEGX_TLS_DTPMOD64:
- case elfcpp::R_TILEGX_TLS_DTPOFF32:
- case elfcpp::R_TILEGX_TLS_DTPOFF64:
- gold_error(_("%s: unexpected reloc %u in object file"),
- object->name().c_str(), r_type);
- break;
- default:
- gold_error(_("%s: unsupported reloc %u against local symbol"),
- object->name().c_str(), r_type);
- break;
- }
- }
- // Report an unsupported relocation against a global symbol.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::Scan::unsupported_reloc_global(
- Sized_relobj_file<size, big_endian>* object,
- unsigned int r_type,
- Symbol* gsym)
- {
- gold_error(_("%s: unsupported reloc %u against global symbol %s"),
- object->name().c_str(), r_type, gsym->demangled_name().c_str());
- }
- // Returns true if this relocation type could be that of a function pointer.
- template<int size, bool big_endian>
- inline bool
- Target_tilegx<size, big_endian>::Scan::possible_function_pointer_reloc(
- unsigned int r_type)
- {
- switch (r_type)
- {
- case elfcpp::R_TILEGX_IMM16_X0_HW0:
- case elfcpp::R_TILEGX_IMM16_X1_HW0:
- case elfcpp::R_TILEGX_IMM16_X0_HW1:
- case elfcpp::R_TILEGX_IMM16_X1_HW1:
- case elfcpp::R_TILEGX_IMM16_X0_HW2:
- case elfcpp::R_TILEGX_IMM16_X1_HW2:
- case elfcpp::R_TILEGX_IMM16_X0_HW3:
- case elfcpp::R_TILEGX_IMM16_X1_HW3:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW3_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW3_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_GOT:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_GOT:
- {
- return true;
- }
- }
- return false;
- }
- // For safe ICF, scan a relocation for a local symbol to check if it
- // corresponds to a function pointer being taken. In that case mark
- // the function whose pointer was taken as not foldable.
- template<int size, bool big_endian>
- inline bool
- Target_tilegx<size, big_endian>::Scan::local_reloc_may_be_function_pointer(
- Symbol_table* ,
- Layout* ,
- Target_tilegx<size, big_endian>* ,
- Sized_relobj_file<size, big_endian>* ,
- unsigned int ,
- Output_section* ,
- const elfcpp::Rela<size, big_endian>& ,
- unsigned int r_type,
- const elfcpp::Sym<size, big_endian>&)
- {
- return possible_function_pointer_reloc(r_type);
- }
- // For safe ICF, scan a relocation for a global symbol to check if it
- // corresponds to a function pointer being taken. In that case mark
- // the function whose pointer was taken as not foldable.
- template<int size, bool big_endian>
- inline bool
- Target_tilegx<size, big_endian>::Scan::global_reloc_may_be_function_pointer(
- Symbol_table*,
- Layout* ,
- Target_tilegx<size, big_endian>* ,
- Sized_relobj_file<size, big_endian>* ,
- unsigned int ,
- Output_section* ,
- const elfcpp::Rela<size, big_endian>& ,
- unsigned int r_type,
- Symbol* gsym)
- {
- // GOT is not a function.
- if (strcmp(gsym->name(), "_GLOBAL_OFFSET_TABLE_") == 0)
- return false;
- // When building a shared library, do not fold symbols whose visibility
- // is hidden, internal or protected.
- return ((parameters->options().shared()
- && (gsym->visibility() == elfcpp::STV_INTERNAL
- || gsym->visibility() == elfcpp::STV_PROTECTED
- || gsym->visibility() == elfcpp::STV_HIDDEN))
- || possible_function_pointer_reloc(r_type));
- }
- // Scan a relocation for a global symbol.
- template<int size, bool big_endian>
- inline void
- Target_tilegx<size, big_endian>::Scan::global(Symbol_table* symtab,
- Layout* layout,
- Target_tilegx<size, big_endian>* target,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- Output_section* output_section,
- const elfcpp::Rela<size, big_endian>& reloc,
- unsigned int r_type,
- Symbol* gsym)
- {
- // A reference to _GLOBAL_OFFSET_TABLE_ implies that we need a got
- // section. We check here to avoid creating a dynamic reloc against
- // _GLOBAL_OFFSET_TABLE_.
- if (!target->has_got_section()
- && strcmp(gsym->name(), "_GLOBAL_OFFSET_TABLE_") == 0)
- target->got_section(symtab, layout);
- // A STT_GNU_IFUNC symbol may require a PLT entry.
- if (gsym->type() == elfcpp::STT_GNU_IFUNC
- && this->reloc_needs_plt_for_ifunc(object, r_type))
- target->make_plt_entry(symtab, layout, gsym);
- switch (r_type)
- {
- case elfcpp::R_TILEGX_NONE:
- case elfcpp::R_TILEGX_GNU_VTINHERIT:
- case elfcpp::R_TILEGX_GNU_VTENTRY:
- break;
- case elfcpp::R_TILEGX_DEST_IMM8_X1:
- case elfcpp::R_TILEGX_IMM16_X0_HW0:
- case elfcpp::R_TILEGX_IMM16_X1_HW0:
- case elfcpp::R_TILEGX_IMM16_X0_HW1:
- case elfcpp::R_TILEGX_IMM16_X1_HW1:
- case elfcpp::R_TILEGX_IMM16_X0_HW2:
- case elfcpp::R_TILEGX_IMM16_X1_HW2:
- case elfcpp::R_TILEGX_IMM16_X0_HW3:
- case elfcpp::R_TILEGX_IMM16_X1_HW3:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST:
- case elfcpp::R_TILEGX_64:
- case elfcpp::R_TILEGX_32:
- case elfcpp::R_TILEGX_16:
- case elfcpp::R_TILEGX_8:
- {
- // Make a PLT entry if necessary.
- if (gsym->needs_plt_entry())
- {
- target->make_plt_entry(symtab, layout, gsym);
- // Since this is not a PC-relative relocation, we may be
- // taking the address of a function. In that case we need to
- // set the entry in the dynamic symbol table to the address of
- // the PLT entry.
- if (gsym->is_from_dynobj() && !parameters->options().shared())
- gsym->set_needs_dynsym_value();
- }
- // Make a dynamic relocation if necessary.
- if (gsym->needs_dynamic_reloc(Scan::get_reference_flags(r_type)))
- {
- if (!parameters->options().output_is_position_independent()
- && gsym->may_need_copy_reloc())
- {
- target->copy_reloc(symtab, layout, object,
- data_shndx, output_section, gsym, reloc);
- }
- else if (((size == 64 && r_type == elfcpp::R_TILEGX_64)
- || (size == 32 && r_type == elfcpp::R_TILEGX_32))
- && gsym->type() == elfcpp::STT_GNU_IFUNC
- && gsym->can_use_relative_reloc(false)
- && !gsym->is_from_dynobj()
- && !gsym->is_undefined()
- && !gsym->is_preemptible())
- {
- // Use an IRELATIVE reloc for a locally defined
- // STT_GNU_IFUNC symbol. This makes a function
- // address in a PIE executable match the address in a
- // shared library that it links against.
- Reloc_section* rela_dyn =
- target->rela_irelative_section(layout);
- unsigned int r_type = elfcpp::R_TILEGX_IRELATIVE;
- rela_dyn->add_symbolless_global_addend(gsym, r_type,
- output_section, object,
- data_shndx,
- reloc.get_r_offset(),
- reloc.get_r_addend());
- } else if ((r_type == elfcpp::R_TILEGX_64
- || r_type == elfcpp::R_TILEGX_32)
- && gsym->can_use_relative_reloc(false))
- {
- Reloc_section* rela_dyn = target->rela_dyn_section(layout);
- rela_dyn->add_global_relative(gsym, elfcpp::R_TILEGX_RELATIVE,
- output_section, object,
- data_shndx,
- reloc.get_r_offset(),
- reloc.get_r_addend(), false);
- }
- else
- {
- this->check_non_pic(object, r_type);
- Reloc_section* rela_dyn = target->rela_dyn_section(layout);
- rela_dyn->add_global(gsym, r_type, output_section, object,
- data_shndx, reloc.get_r_offset(),
- reloc.get_r_addend());
- }
- }
- }
- break;
- case elfcpp::R_TILEGX_BROFF_X1:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW3_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW3_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
- case elfcpp::R_TILEGX_64_PCREL:
- case elfcpp::R_TILEGX_32_PCREL:
- case elfcpp::R_TILEGX_16_PCREL:
- case elfcpp::R_TILEGX_8_PCREL:
- {
- // Make a PLT entry if necessary.
- if (gsym->needs_plt_entry())
- target->make_plt_entry(symtab, layout, gsym);
- // Make a dynamic relocation if necessary.
- if (gsym->needs_dynamic_reloc(Scan::get_reference_flags(r_type)))
- {
- if (parameters->options().output_is_executable()
- && gsym->may_need_copy_reloc())
- {
- target->copy_reloc(symtab, layout, object,
- data_shndx, output_section, gsym, reloc);
- }
- else
- {
- this->check_non_pic(object, r_type);
- Reloc_section* rela_dyn = target->rela_dyn_section(layout);
- rela_dyn->add_global(gsym, r_type, output_section, object,
- data_shndx, reloc.get_r_offset(),
- reloc.get_r_addend());
- }
- }
- }
- break;
- case elfcpp::R_TILEGX_IMM16_X0_HW0_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_GOT:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_GOT:
- {
- // The symbol requires a GOT entry.
- Output_data_got<size, big_endian>* got
- = target->got_section(symtab, layout);
- if (gsym->final_value_is_known())
- {
- // For a STT_GNU_IFUNC symbol we want the PLT address.
- if (gsym->type() == elfcpp::STT_GNU_IFUNC)
- got->add_global_plt(gsym, GOT_TYPE_STANDARD);
- else
- got->add_global(gsym, GOT_TYPE_STANDARD);
- }
- else
- {
- // If this symbol is not fully resolved, we need to add a
- // dynamic relocation for it.
- Reloc_section* rela_dyn = target->rela_dyn_section(layout);
- // Use a GLOB_DAT rather than a RELATIVE reloc if:
- //
- // 1) The symbol may be defined in some other module.
- //
- // 2) We are building a shared library and this is a
- // protected symbol; using GLOB_DAT means that the dynamic
- // linker can use the address of the PLT in the main
- // executable when appropriate so that function address
- // comparisons work.
- //
- // 3) This is a STT_GNU_IFUNC symbol in position dependent
- // code, again so that function address comparisons work.
- if (gsym->is_from_dynobj()
- || gsym->is_undefined()
- || gsym->is_preemptible()
- || (gsym->visibility() == elfcpp::STV_PROTECTED
- && parameters->options().shared())
- || (gsym->type() == elfcpp::STT_GNU_IFUNC
- && parameters->options().output_is_position_independent()))
- got->add_global_with_rel(gsym, GOT_TYPE_STANDARD, rela_dyn,
- elfcpp::R_TILEGX_GLOB_DAT);
- else
- {
- // For a STT_GNU_IFUNC symbol we want to write the PLT
- // offset into the GOT, so that function pointer
- // comparisons work correctly.
- bool is_new;
- if (gsym->type() != elfcpp::STT_GNU_IFUNC)
- is_new = got->add_global(gsym, GOT_TYPE_STANDARD);
- else
- {
- is_new = got->add_global_plt(gsym, GOT_TYPE_STANDARD);
- // Tell the dynamic linker to use the PLT address
- // when resolving relocations.
- if (gsym->is_from_dynobj()
- && !parameters->options().shared())
- gsym->set_needs_dynsym_value();
- }
- if (is_new)
- {
- unsigned int got_off = gsym->got_offset(GOT_TYPE_STANDARD);
- rela_dyn->add_global_relative(gsym,
- r_type,
- got, got_off, 0, false);
- }
- }
- }
- }
- break;
- // a minor difference here for R_TILEGX_JUMPOFF_X1
- // between bfd linker and gold linker for gold, when
- // R_TILEGX_JUMPOFF_X1 against global symbol, we
- // turn it into JUMPOFF_X1_PLT, otherwise the distance
- // to the symbol function may overflow at runtime.
- case elfcpp::R_TILEGX_JUMPOFF_X1:
- case elfcpp::R_TILEGX_JUMPOFF_X1_PLT:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
- // If the symbol is fully resolved, this is just a PC32 reloc.
- // Otherwise we need a PLT entry.
- if (gsym->final_value_is_known())
- break;
- // If building a shared library, we can also skip the PLT entry
- // if the symbol is defined in the output file and is protected
- // or hidden.
- if (gsym->is_defined()
- && !gsym->is_from_dynobj()
- && !gsym->is_preemptible())
- break;
- target->make_plt_entry(symtab, layout, gsym);
- break;
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- case elfcpp::R_TILEGX_TLS_GD_CALL:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_TLS_IE_LOAD:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_ADD:
- {
- const bool is_final = gsym->final_value_is_known();
- const tls::Tls_optimization opt_t =
- Target_tilegx<size, big_endian>::optimize_tls_reloc(is_final,
- r_type);
- switch (r_type)
- {
- // only expand to plt against __tls_get_addr in GD model
- case elfcpp::R_TILEGX_TLS_GD_CALL:
- if (opt_t == tls::TLSOPT_NONE) {
- // FIXME: it's better '__tls_get_addr' referenced explicitly
- if (!target->tls_get_addr_sym_defined_) {
- Symbol* sym = NULL;
- options::parse_set(NULL, "__tls_get_addr",
- (gold::options::String_set*)
- ¶meters->options().undefined());
- symtab->add_undefined_symbols_from_command_line(layout);
- target->tls_get_addr_sym_defined_ = true;
- sym = symtab->lookup("__tls_get_addr");
- sym->set_in_reg();
- }
- target->make_plt_entry(symtab, layout,
- symtab->lookup("__tls_get_addr"));
- }
- break;
- // only make effect when applying relocation
- case elfcpp::R_TILEGX_TLS_IE_LOAD:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_GD_ADD:
- break;
- // GD: requires two GOT entry for module index and offset
- // IE: requires one GOT entry for tp-relative offset
- // LE: shouldn't happen for global symbol
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- {
- if (opt_t == tls::TLSOPT_NONE) {
- Output_data_got<size, big_endian>* got
- = target->got_section(symtab, layout);
- got->add_global_pair_with_rel(gsym, GOT_TYPE_TLS_PAIR,
- target->rela_dyn_section(layout),
- size == 32
- ? elfcpp::R_TILEGX_TLS_DTPMOD32
- : elfcpp::R_TILEGX_TLS_DTPMOD64,
- size == 32
- ? elfcpp::R_TILEGX_TLS_DTPOFF32
- : elfcpp::R_TILEGX_TLS_DTPOFF64);
- } else if (opt_t == tls::TLSOPT_TO_IE) {
- // Create a GOT entry for the tp-relative offset.
- Output_data_got<size, big_endian>* got
- = target->got_section(symtab, layout);
- got->add_global_with_rel(gsym, GOT_TYPE_TLS_OFFSET,
- target->rela_dyn_section(layout),
- size == 32
- ? elfcpp::R_TILEGX_TLS_TPOFF32
- : elfcpp::R_TILEGX_TLS_TPOFF64);
- } else if (opt_t != tls::TLSOPT_TO_LE)
- // exteranl symbol should not be optimized to TO_LE
- unsupported_reloc_global(object, r_type, gsym);
- }
- break;
- // IE
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- {
- layout->set_has_static_tls();
- if (opt_t == tls::TLSOPT_NONE) {
- // Create a GOT entry for the tp-relative offset.
- Output_data_got<size, big_endian>* got
- = target->got_section(symtab, layout);
- got->add_global_with_rel(gsym, GOT_TYPE_TLS_OFFSET,
- target->rela_dyn_section(layout),
- size == 32
- ? elfcpp::R_TILEGX_TLS_TPOFF32
- : elfcpp::R_TILEGX_TLS_TPOFF64);
- } else if (opt_t != tls::TLSOPT_TO_LE)
- unsupported_reloc_global(object, r_type, gsym);
- }
- break;
- // LE
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
- layout->set_has_static_tls();
- if (parameters->options().shared()) {
- // defer to dynamic linker
- Reloc_section* rela_dyn = target->rela_dyn_section(layout);
- rela_dyn->add_symbolless_global_addend(gsym, r_type,
- output_section, object,
- data_shndx,
- reloc.get_r_offset(), 0);
- }
- break;
- default:
- gold_unreachable();
- }
- }
- break;
- // below are outstanding relocs
- // should not existed in static linking stage
- case elfcpp::R_TILEGX_COPY:
- case elfcpp::R_TILEGX_GLOB_DAT:
- case elfcpp::R_TILEGX_JMP_SLOT:
- case elfcpp::R_TILEGX_RELATIVE:
- case elfcpp::R_TILEGX_TLS_TPOFF32:
- case elfcpp::R_TILEGX_TLS_TPOFF64:
- case elfcpp::R_TILEGX_TLS_DTPMOD32:
- case elfcpp::R_TILEGX_TLS_DTPMOD64:
- case elfcpp::R_TILEGX_TLS_DTPOFF32:
- case elfcpp::R_TILEGX_TLS_DTPOFF64:
- gold_error(_("%s: unexpected reloc %u in object file"),
- object->name().c_str(), r_type);
- break;
- default:
- gold_error(_("%s: unsupported reloc %u against global symbol %s"),
- object->name().c_str(), r_type,
- gsym->demangled_name().c_str());
- break;
- }
- }
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::gc_process_relocs(Symbol_table* symtab,
- Layout* layout,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- unsigned int sh_type,
- const unsigned char* prelocs,
- size_t reloc_count,
- Output_section* output_section,
- bool needs_special_offset_handling,
- size_t local_symbol_count,
- const unsigned char* plocal_symbols)
- {
- typedef Target_tilegx<size, big_endian> Tilegx;
- typedef typename Target_tilegx<size, big_endian>::Scan Scan;
- typedef gold::Default_classify_reloc<elfcpp::SHT_RELA, size, big_endian>
- Classify_reloc;
- if (sh_type == elfcpp::SHT_REL)
- {
- return;
- }
- gold::gc_process_relocs<size, big_endian, Tilegx, Scan, Classify_reloc>(
- symtab,
- layout,
- this,
- object,
- data_shndx,
- prelocs,
- reloc_count,
- output_section,
- needs_special_offset_handling,
- local_symbol_count,
- plocal_symbols);
- }
- // Scan relocations for a section.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::scan_relocs(Symbol_table* symtab,
- Layout* layout,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- unsigned int sh_type,
- const unsigned char* prelocs,
- size_t reloc_count,
- Output_section* output_section,
- bool needs_special_offset_handling,
- size_t local_symbol_count,
- const unsigned char* plocal_symbols)
- {
- typedef Target_tilegx<size, big_endian> Tilegx;
- typedef typename Target_tilegx<size, big_endian>::Scan Scan;
- typedef gold::Default_classify_reloc<elfcpp::SHT_RELA, size, big_endian>
- Classify_reloc;
- if (sh_type == elfcpp::SHT_REL)
- {
- gold_error(_("%s: unsupported REL reloc section"),
- object->name().c_str());
- return;
- }
- gold::scan_relocs<size, big_endian, Tilegx, Scan, Classify_reloc>(
- symtab,
- layout,
- this,
- object,
- data_shndx,
- prelocs,
- reloc_count,
- output_section,
- needs_special_offset_handling,
- local_symbol_count,
- plocal_symbols);
- }
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::do_define_standard_symbols(
- Symbol_table* symtab,
- Layout* layout)
- {
- Output_section* feedback_section = layout->find_output_section(".feedback");
- if (feedback_section != NULL)
- {
- symtab->define_in_output_data("__feedback_section_end",
- NULL,
- Symbol_table::PREDEFINED,
- feedback_section,
- 0,
- 0,
- elfcpp::STT_NOTYPE,
- elfcpp::STB_GLOBAL,
- elfcpp::STV_HIDDEN,
- 0,
- true, // offset_is_from_end
- false);
- }
- }
- // Finalize the sections.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::do_finalize_sections(
- Layout* layout,
- const Input_objects*,
- Symbol_table* symtab)
- {
- const Reloc_section* rel_plt = (this->plt_ == NULL
- ? NULL
- : this->plt_->rela_plt());
- layout->add_target_dynamic_tags(false, this->got_plt_, rel_plt,
- this->rela_dyn_, true, true);
- // Emit any relocs we saved in an attempt to avoid generating COPY
- // relocs.
- if (this->copy_relocs_.any_saved_relocs())
- this->copy_relocs_.emit(this->rela_dyn_section(layout));
- // Set the size of the _GLOBAL_OFFSET_TABLE_ symbol to the size of
- // the .got section.
- Symbol* sym = this->global_offset_table_;
- if (sym != NULL)
- {
- uint64_t data_size = this->got_->current_data_size();
- symtab->get_sized_symbol<size>(sym)->set_symsize(data_size);
- // If the .got section is more than 0x8000 bytes, we add
- // 0x8000 to the value of _GLOBAL_OFFSET_TABLE_, so that 16
- // bit relocations have a greater chance of working.
- if (data_size >= 0x8000)
- symtab->get_sized_symbol<size>(sym)->set_value(
- symtab->get_sized_symbol<size>(sym)->value() + 0x8000);
- }
- if (parameters->doing_static_link()
- && (this->plt_ == NULL || !this->plt_->has_irelative_section()))
- {
- // If linking statically, make sure that the __rela_iplt symbols
- // were defined if necessary, even if we didn't create a PLT.
- static const Define_symbol_in_segment syms[] =
- {
- {
- "__rela_iplt_start", // name
- elfcpp::PT_LOAD, // segment_type
- elfcpp::PF_W, // segment_flags_set
- elfcpp::PF(0), // segment_flags_clear
- 0, // value
- 0, // size
- elfcpp::STT_NOTYPE, // type
- elfcpp::STB_GLOBAL, // binding
- elfcpp::STV_HIDDEN, // visibility
- 0, // nonvis
- Symbol::SEGMENT_START, // offset_from_base
- true // only_if_ref
- },
- {
- "__rela_iplt_end", // name
- elfcpp::PT_LOAD, // segment_type
- elfcpp::PF_W, // segment_flags_set
- elfcpp::PF(0), // segment_flags_clear
- 0, // value
- 0, // size
- elfcpp::STT_NOTYPE, // type
- elfcpp::STB_GLOBAL, // binding
- elfcpp::STV_HIDDEN, // visibility
- 0, // nonvis
- Symbol::SEGMENT_START, // offset_from_base
- true // only_if_ref
- }
- };
- symtab->define_symbols(layout, 2, syms,
- layout->script_options()->saw_sections_clause());
- }
- }
- // Perform a relocation.
- template<int size, bool big_endian>
- inline bool
- Target_tilegx<size, big_endian>::Relocate::relocate(
- const Relocate_info<size, big_endian>* relinfo,
- unsigned int,
- Target_tilegx<size, big_endian>* target,
- Output_section*,
- size_t relnum,
- const unsigned char* preloc,
- const Sized_symbol<size>* gsym,
- const Symbol_value<size>* psymval,
- unsigned char* view,
- typename elfcpp::Elf_types<size>::Elf_Addr address,
- section_size_type)
- {
- if (view == NULL)
- return true;
- typedef Tilegx_relocate_functions<size, big_endian> TilegxReloc;
- typename TilegxReloc::Tilegx_howto r_howto;
- const elfcpp::Rela<size, big_endian> rela(preloc);
- unsigned int r_type = elfcpp::elf_r_type<size>(rela.get_r_info());
- const Sized_relobj_file<size, big_endian>* object = relinfo->object;
- // Pick the value to use for symbols defined in the PLT.
- Symbol_value<size> symval;
- if (gsym != NULL
- && gsym->use_plt_offset(Scan::get_reference_flags(r_type)))
- {
- symval.set_output_value(target->plt_address_for_global(gsym));
- psymval = &symval;
- }
- else if (gsym == NULL && psymval->is_ifunc_symbol())
- {
- unsigned int r_sym = elfcpp::elf_r_sym<size>(rela.get_r_info());
- if (object->local_has_plt_offset(r_sym))
- {
- symval.set_output_value(target->plt_address_for_local(object, r_sym));
- psymval = &symval;
- }
- }
- elfcpp::Elf_Xword addend = rela.get_r_addend();
- // Get the GOT offset if needed.
- // For tilegx, the GOT pointer points to the start of the GOT section.
- bool have_got_offset = false;
- int got_offset = 0;
- int got_base = target->got_ != NULL
- ? target->got_->current_data_size() >= 0x8000 ? 0x8000 : 0
- : 0;
- unsigned int got_type = GOT_TYPE_STANDARD;
- bool always_apply_relocation = false;
- switch (r_type)
- {
- case elfcpp::R_TILEGX_IMM16_X0_HW0_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_GOT:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_GOT:
- if (gsym != NULL)
- {
- gold_assert(gsym->has_got_offset(got_type));
- got_offset = gsym->got_offset(got_type) - got_base;
- }
- else
- {
- unsigned int r_sym = elfcpp::elf_r_sym<size>(rela.get_r_info());
- gold_assert(object->local_has_got_offset(r_sym, got_type));
- got_offset =
- object->local_got_offset(r_sym, got_type) - got_base;
- }
- have_got_offset = true;
- break;
- default:
- break;
- }
- r_howto = TilegxReloc::howto[r_type];
- switch (r_type)
- {
- case elfcpp::R_TILEGX_NONE:
- case elfcpp::R_TILEGX_GNU_VTINHERIT:
- case elfcpp::R_TILEGX_GNU_VTENTRY:
- break;
- case elfcpp::R_TILEGX_IMM16_X0_HW0_GOT:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_GOT:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_GOT:
- gold_assert(have_got_offset);
- symval.set_output_value(got_offset);
- psymval = &symval;
- always_apply_relocation = true;
- addend = 0;
- // Fall through.
- // when under PIC mode, these relocations are deferred to rtld
- case elfcpp::R_TILEGX_IMM16_X0_HW0:
- case elfcpp::R_TILEGX_IMM16_X1_HW0:
- case elfcpp::R_TILEGX_IMM16_X0_HW1:
- case elfcpp::R_TILEGX_IMM16_X1_HW1:
- case elfcpp::R_TILEGX_IMM16_X0_HW2:
- case elfcpp::R_TILEGX_IMM16_X1_HW2:
- case elfcpp::R_TILEGX_IMM16_X0_HW3:
- case elfcpp::R_TILEGX_IMM16_X1_HW3:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST:
- if (always_apply_relocation
- || !parameters->options().output_is_position_independent())
- TilegxReloc::imm_x_general(view, object, psymval, addend, r_howto);
- break;
- case elfcpp::R_TILEGX_JUMPOFF_X1:
- case elfcpp::R_TILEGX_JUMPOFF_X1_PLT:
- gold_assert(gsym == NULL
- || gsym->has_plt_offset()
- || gsym->final_value_is_known()
- || (gsym->is_defined()
- && !gsym->is_from_dynobj()
- && !gsym->is_preemptible()));
- TilegxReloc::imm_x_pcrel_general(view, object, psymval, addend,
- address, r_howto);
- break;
- case elfcpp::R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW3_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW3_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
- case elfcpp::R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
- TilegxReloc::imm_x_pcrel_general(view, object, psymval, addend,
- address, r_howto);
- break;
- case elfcpp::R_TILEGX_BROFF_X1:
- case elfcpp::R_TILEGX_DEST_IMM8_X1:
- TilegxReloc::imm_x_two_part_general(view, object, psymval,
- addend, address, r_type);
- break;
- // below are general relocation types, which can be
- // handled by target-independent handlers
- case elfcpp::R_TILEGX_64:
- TilegxReloc::abs64(view, object, psymval, addend);
- break;
- case elfcpp::R_TILEGX_64_PCREL:
- TilegxReloc::pc_abs64(view, object, psymval, addend, address);
- break;
- case elfcpp::R_TILEGX_32:
- TilegxReloc::abs32(view, object, psymval, addend);
- break;
- case elfcpp::R_TILEGX_32_PCREL:
- TilegxReloc::pc_abs32(view, object, psymval, addend, address);
- break;
- case elfcpp::R_TILEGX_16:
- TilegxReloc::abs16(view, object, psymval, addend);
- break;
- case elfcpp::R_TILEGX_16_PCREL:
- TilegxReloc::pc_abs16(view, object, psymval, addend, address);
- break;
- case elfcpp::R_TILEGX_8:
- Relocate_functions<size, big_endian>::rela8(view, object,
- psymval, addend);
- break;
- case elfcpp::R_TILEGX_8_PCREL:
- Relocate_functions<size, big_endian>::pcrela8(view, object,
- psymval, addend, address);
- break;
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- case elfcpp::R_TILEGX_TLS_GD_CALL:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_TLS_IE_LOAD:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_ADD:
- {
- const bool is_final = (gsym == NULL
- ? !parameters->options().shared()
- : gsym->final_value_is_known());
- tls::Tls_optimization opt_t =
- Target_tilegx<size, big_endian>::optimize_tls_reloc(is_final,
- r_type);
- switch (r_type)
- {
- case elfcpp::R_TILEGX_TLS_GD_CALL:
- {
- if (opt_t == tls::TLSOPT_NONE) {
- Symbol *tls_sym = relinfo->symtab->lookup("__tls_get_addr");
- symval.set_output_value(
- target->plt_address_for_global(tls_sym));
- psymval = &symval;
- TilegxReloc::imm_x_pcrel_general(view, object, psymval,
- addend, address, r_howto);
- }
- else if (opt_t == tls::TLSOPT_TO_IE
- || opt_t == tls::TLSOPT_TO_LE)
- TilegxReloc::tls_relax(view, r_type, opt_t);
- }
- break;
- // XX_TLS_GD is the same as normal X_GOT relocation
- // except allocating a got entry pair,
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- if (opt_t == tls::TLSOPT_NONE) {
- got_type = GOT_TYPE_TLS_PAIR;
- have_got_offset = true;
- } else if (opt_t == tls::TLSOPT_TO_IE) {
- got_type = GOT_TYPE_TLS_OFFSET;
- have_got_offset = true;
- }
- goto do_update_value;
- // XX_TLS_IE is the same as normal X_GOT relocation
- // except allocating one additional runtime relocation
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- if (opt_t == tls::TLSOPT_NONE) {
- got_type = GOT_TYPE_TLS_OFFSET;
- have_got_offset = true;
- }
- // Fall through.
- do_update_value:
- if (have_got_offset) {
- if (gsym != NULL) {
- gold_assert(gsym->has_got_offset(got_type));
- got_offset = gsym->got_offset(got_type) - got_base;
- } else {
- unsigned int r_sym
- = elfcpp::elf_r_sym<size>(rela.get_r_info());
- gold_assert(object->local_has_got_offset(r_sym, got_type));
- got_offset =
- object->local_got_offset(r_sym, got_type) - got_base;
- }
- }
- if (opt_t == tls::TLSOPT_NONE
- || opt_t == tls::TLSOPT_TO_IE) {
- // for both GD/IE, these relocations
- // actually calculate got offset, so
- // there behavior are the same
- gold_assert(have_got_offset);
- symval.set_output_value(got_offset);
- psymval = &symval;
- addend = 0;
- TilegxReloc::imm_x_general(view, object, psymval,
- addend, r_howto);
- break;
- } // else if (opt_t == tls::TLSOPT_TO_LE)
- // both GD/IE are turned into LE, which
- // is absolute relocation.
- // Fall through.
- // LE
- //
- // tp
- // |
- // V
- // t_var1 | t_var2 | t_var3 | ...
- // --------------------------------------------------
- //
- // so offset to tp should be negative, we get offset
- // from the following formular for LE
- //
- // t_var1_off = t_var1_sym_value - tls_section_start
- //
- case elfcpp::R_TILEGX_IMM16_X0_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
- case elfcpp::R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
- {
- Output_segment *tls_segment = relinfo->layout->tls_segment();
- if (tls_segment == NULL) {
- gold_assert(parameters->errors()->error_count() > 0
- || issue_undefined_symbol_error(gsym));
- return false;
- }
- typename elfcpp::Elf_types<size>::Elf_Addr value
- = psymval->value(relinfo->object, 0);
- symval.set_output_value(value);
- psymval = &symval;
- TilegxReloc::imm_x_general(view, object, psymval,
- addend, r_howto);
- }
- break;
- // tls relaxation
- case elfcpp::R_TILEGX_TLS_IE_LOAD:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_ADD:
- case elfcpp::R_TILEGX_IMM8_X0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_X1_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y0_TLS_GD_ADD:
- case elfcpp::R_TILEGX_IMM8_Y1_TLS_GD_ADD:
- TilegxReloc::tls_relax(view, r_type, opt_t);
- break;
- default:
- gold_unreachable();
- }
- }
- break;
- // below are outstanding relocs
- // should not existed in static linking stage
- case elfcpp::R_TILEGX_COPY:
- case elfcpp::R_TILEGX_GLOB_DAT:
- case elfcpp::R_TILEGX_JMP_SLOT:
- case elfcpp::R_TILEGX_RELATIVE:
- case elfcpp::R_TILEGX_TLS_TPOFF32:
- case elfcpp::R_TILEGX_TLS_TPOFF64:
- case elfcpp::R_TILEGX_TLS_DTPMOD32:
- case elfcpp::R_TILEGX_TLS_DTPMOD64:
- case elfcpp::R_TILEGX_TLS_DTPOFF32:
- case elfcpp::R_TILEGX_TLS_DTPOFF64:
- gold_error_at_location(relinfo, relnum, rela.get_r_offset(),
- _("unexpected reloc %u in object file"),
- r_type);
- break;
- default:
- gold_error_at_location(relinfo, relnum, rela.get_r_offset(),
- _("unsupported reloc %u"),
- r_type);
- break;
- }
- return true;
- }
- // Relocate section data.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::relocate_section(
- const Relocate_info<size, big_endian>* relinfo,
- unsigned int sh_type,
- const unsigned char* prelocs,
- size_t reloc_count,
- Output_section* output_section,
- bool needs_special_offset_handling,
- unsigned char* view,
- typename elfcpp::Elf_types<size>::Elf_Addr address,
- section_size_type view_size,
- const Reloc_symbol_changes* reloc_symbol_changes)
- {
- typedef Target_tilegx<size, big_endian> Tilegx;
- typedef typename Target_tilegx<size, big_endian>::Relocate Tilegx_relocate;
- typedef gold::Default_classify_reloc<elfcpp::SHT_RELA, size, big_endian>
- Classify_reloc;
- gold_assert(sh_type == elfcpp::SHT_RELA);
- gold::relocate_section<size, big_endian, Tilegx, Tilegx_relocate,
- gold::Default_comdat_behavior, Classify_reloc>(
- relinfo,
- this,
- prelocs,
- reloc_count,
- output_section,
- needs_special_offset_handling,
- view,
- address,
- view_size,
- reloc_symbol_changes);
- }
- // Apply an incremental relocation. Incremental relocations always refer
- // to global symbols.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::apply_relocation(
- const Relocate_info<size, big_endian>* relinfo,
- typename elfcpp::Elf_types<size>::Elf_Addr r_offset,
- unsigned int r_type,
- typename elfcpp::Elf_types<size>::Elf_Swxword r_addend,
- const Symbol* gsym,
- unsigned char* view,
- typename elfcpp::Elf_types<size>::Elf_Addr address,
- section_size_type view_size)
- {
- gold::apply_relocation<size, big_endian, Target_tilegx<size, big_endian>,
- typename Target_tilegx<size, big_endian>::Relocate>(
- relinfo,
- this,
- r_offset,
- r_type,
- r_addend,
- gsym,
- view,
- address,
- view_size);
- }
- // Scan the relocs during a relocatable link.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::scan_relocatable_relocs(
- Symbol_table* symtab,
- Layout* layout,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- unsigned int sh_type,
- const unsigned char* prelocs,
- size_t reloc_count,
- Output_section* output_section,
- bool needs_special_offset_handling,
- size_t local_symbol_count,
- const unsigned char* plocal_symbols,
- Relocatable_relocs* rr)
- {
- typedef gold::Default_classify_reloc<elfcpp::SHT_RELA, size, big_endian>
- Classify_reloc;
- typedef gold::Default_scan_relocatable_relocs<Classify_reloc>
- Scan_relocatable_relocs;
- gold_assert(sh_type == elfcpp::SHT_RELA);
- gold::scan_relocatable_relocs<size, big_endian, Scan_relocatable_relocs>(
- symtab,
- layout,
- object,
- data_shndx,
- prelocs,
- reloc_count,
- output_section,
- needs_special_offset_handling,
- local_symbol_count,
- plocal_symbols,
- rr);
- }
- // Scan the relocs for --emit-relocs.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::emit_relocs_scan(
- Symbol_table* symtab,
- Layout* layout,
- Sized_relobj_file<size, big_endian>* object,
- unsigned int data_shndx,
- unsigned int sh_type,
- const unsigned char* prelocs,
- size_t reloc_count,
- Output_section* output_section,
- bool needs_special_offset_handling,
- size_t local_symbol_count,
- const unsigned char* plocal_syms,
- Relocatable_relocs* rr)
- {
- typedef gold::Default_classify_reloc<elfcpp::SHT_RELA, size, big_endian>
- Classify_reloc;
- typedef gold::Default_emit_relocs_strategy<Classify_reloc>
- Emit_relocs_strategy;
- gold_assert(sh_type == elfcpp::SHT_RELA);
- gold::scan_relocatable_relocs<size, big_endian, Emit_relocs_strategy>(
- symtab,
- layout,
- object,
- data_shndx,
- prelocs,
- reloc_count,
- output_section,
- needs_special_offset_handling,
- local_symbol_count,
- plocal_syms,
- rr);
- }
- // Relocate a section during a relocatable link.
- template<int size, bool big_endian>
- void
- Target_tilegx<size, big_endian>::relocate_relocs(
- const Relocate_info<size, big_endian>* relinfo,
- unsigned int sh_type,
- const unsigned char* prelocs,
- size_t reloc_count,
- Output_section* output_section,
- typename elfcpp::Elf_types<size>::Elf_Off offset_in_output_section,
- unsigned char* view,
- typename elfcpp::Elf_types<size>::Elf_Addr view_address,
- section_size_type view_size,
- unsigned char* reloc_view,
- section_size_type reloc_view_size)
- {
- typedef gold::Default_classify_reloc<elfcpp::SHT_RELA, size, big_endian>
- Classify_reloc;
- gold_assert(sh_type == elfcpp::SHT_RELA);
- gold::relocate_relocs<size, big_endian, Classify_reloc>(
- relinfo,
- prelocs,
- reloc_count,
- output_section,
- offset_in_output_section,
- view,
- view_address,
- view_size,
- reloc_view,
- reloc_view_size);
- }
- // Return the value to use for a dynamic which requires special
- // treatment. This is how we support equality comparisons of function
- // pointers across shared library boundaries, as described in the
- // processor specific ABI supplement.
- template<int size, bool big_endian>
- uint64_t
- Target_tilegx<size, big_endian>::do_dynsym_value(const Symbol* gsym) const
- {
- gold_assert(gsym->is_from_dynobj() && gsym->has_plt_offset());
- return this->plt_address_for_global(gsym);
- }
- // Return the value to use for the base of a DW_EH_PE_datarel offset
- // in an FDE. Solaris and SVR4 use DW_EH_PE_datarel because their
- // assembler can not write out the difference between two labels in
- // different sections, so instead of using a pc-relative value they
- // use an offset from the GOT.
- template<int size, bool big_endian>
- uint64_t
- Target_tilegx<size, big_endian>::do_ehframe_datarel_base() const
- {
- gold_assert(this->global_offset_table_ != NULL);
- Symbol* sym = this->global_offset_table_;
- Sized_symbol<size>* ssym = static_cast<Sized_symbol<size>*>(sym);
- return ssym->value();
- }
- // The selector for tilegx object files.
- template<int size, bool big_endian>
- class Target_selector_tilegx : public Target_selector
- {
- public:
- Target_selector_tilegx()
- : Target_selector(elfcpp::EM_TILEGX, size, big_endian,
- (size == 64
- ? (big_endian ? "elf64-tilegx-be" : "elf64-tilegx-le")
- : (big_endian ? "elf32-tilegx-be"
- : "elf32-tilegx-le")),
- (size == 64
- ? (big_endian ? "elf64tilegx_be" : "elf64tilegx")
- : (big_endian ? "elf32tilegx_be" : "elf32tilegx")))
- { }
- Target*
- do_instantiate_target()
- { return new Target_tilegx<size, big_endian>(); }
- };
- Target_selector_tilegx<64, false> target_selector_tilegx64_le;
- Target_selector_tilegx<32, false> target_selector_tilegx32_le;
- Target_selector_tilegx<64, true> target_selector_tilegx64_be;
- Target_selector_tilegx<32, true> target_selector_tilegx32_be;
- } // End anonymous namespace.
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