binutils/gold/aarch64.cc

1 // aarch64.cc -- aarch64 target support for gold.
39 #include "target.h"
40 #include "target-reloc.h"
41 #include "target-select.h"
925 // stubs can be shared because they're used to reach a specific target, whereas
1171 		      AArch64_address target);
1274     // Otherwise, it points to a relobj.  We used the unsized and target
1350 // A class to hold stubs for the ARM target. This contains 2 different types of
2052   // adrp - final value transferred to target register is calculated as:
2056   // adr -final value transferred to target register is calucalted as:
2108   The_target_aarch64* target = The_target_aarch64::current_target();
2113 	  target->find_aarch64_input_section(this, i);
2135 	  stub_table->relocate_reloc_stubs(&relinfo, target, os, view, address,
2231     The_target_aarch64* target)
2282 	    target->scan_erratum_843419_span(
2287 	    target->scan_erratum_835769_span(
2300     The_target_aarch64* target,
2330 	scan_errata(i, shdr, out_sections[i], symtab, target);
2369 	  target->scan_section_for_stubs(&relinfo, sh_type, prelocs,
2629     The_target_aarch64* target,
2645 	  target->new_aarch64_input_section(owner->relobj(), owner->shndx());
2651       target->new_stub_table(input_section);
2685     Target_aarch64<size, big_endian>* target,
2730 					  target, new_relaxed_sections,
2754 				     target, new_relaxed_sections, task);
2792 			      target, new_relaxed_sections, task);
2813 // The aarch64 target class.
2946   // Return the symbol index to use for a target specific relocation.
2947   // The only target specific relocation is R_AARCH64_TLSDESC for a
2956   // Return the addend to use for a target specific relocation.
3033   // Get the default AArch64 target.
3037     gold_assert(parameters->target().machine_code() == elfcpp::EM_AARCH64
3038 		&& parameters->target().get_size() == size
3039 		&& parameters->target().is_big_endian() == big_endian);
3145     local(Symbol_table* symtab, Layout* layout, Target_aarch64* target,
3154     global(Symbol_table* symtab, Layout* layout, Target_aarch64* target,
3397   // Information about this specific target which we pass to the
3413   // This type is used as the argument to the target specific
3414   // relocation routines.  The only target specific reloc is
3449   // We handle R_AARCH64_TLSDESC against a local symbol as a target
3714 // to use a target-specific sub-class of Sized_relobj_file<size, big_endian> to
3922 		  // Currently we cannot handle a branch to a target in
6003     Target_aarch64<size, big_endian>* target,
6022     target->make_local_ifunc_plt_entry(symtab, layout, object, r_sym);
6043 	  Reloc_section* rela_dyn = target->rela_dyn_section(layout);
6065 	    target->got_section(symtab, layout);
6073 	  target->rela_dyn_section(layout)->
6136 		target->got_section(symtab, layout);
6138 				    target->rela_dyn_section(layout),
6145 		target->got_section(symtab, layout);
6170 	    target->got_section(symtab, layout);
6173 				     target->rela_dyn_section(layout),
6203 	    target->got_mod_index_entry(symtab, layout, object);
6222 	target->define_tls_base_symbol(symtab, layout);
6226 	    target->reserve_tlsdesc_entries(symtab, layout);
6232 	    target->got_section(symtab, layout);
6234 		target->got_tlsdesc_section();
6242 		Reloc_section* rt = target->rela_tlsdesc_section(layout);
6245 		// to the target specific routines.
6246 		uintptr_t intarg = target->add_tlsdesc_info(object, r_sym);
6284     Target_aarch64<size, big_endian>* target,
6295     target->make_plt_entry(symtab, layout, gsym);
6315 	    target->make_plt_entry(symtab, layout, gsym);
6329 		target->copy_reloc(symtab, layout, object,
6343 		    target->rela_irelative_section(layout);
6354 		Reloc_section* rela_dyn = target->rela_dyn_section(layout);
6368 		    rela_dyn = target->rela_dyn_section(layout);
6383 	  target->make_plt_entry(symtab, layout, gsym);
6416 	  target->make_plt_entry(symtab, layout, gsym);
6423 		target->copy_reloc(symtab, layout, object,
6438 	  target->got_section(symtab, layout);
6451 	    Reloc_section* rela_dyn = target->rela_dyn_section(layout);
6516 	target->make_plt_entry(symtab, layout, gsym);
6534 	    target->got_section(symtab, layout);
6537 				      target->rela_dyn_section(layout),
6551 	    target->got_mod_index_entry(symtab, layout, object);
6575 	  = target->got_section(symtab, layout);
6580 	      target->rela_dyn_section(layout),
6614 	target->define_tls_base_symbol(symtab, layout);
6620 	    target->reserve_tlsdesc_entries(symtab, layout);
6626 	    target->got_section(symtab, layout);
6628 		target->got_tlsdesc_section();
6629 	    Reloc_section* rt = target->rela_tlsdesc_section(layout);
6637 		= target->got_section(symtab, layout);
6639 				     target->rela_dyn_section(layout),
6929     Target_aarch64<size, big_endian>* target,
6966       symval.set_output_value(target->plt_address_for_global(gsym));
6974 	  symval.set_output_value(target->plt_address_for_local(object, r_sym));
6985   int got_base = (target->got_ != NULL
6986 		  ? (target->got_->current_data_size() >= 0x8000
7147 				  target->stub_group_size_))
7158       value = target->got_->address() + got_base + got_offset;
7164       value = target->got_->address() + got_base + got_offset;
7172 	value = target->got_->address() + got_base + got_offset + addend -
7173 	  Reloc::Page(target->got_->address() + got_base);
7204       reloc_status = relocate_tls(relinfo, target, relnum, rela, r_type,
7261     Target_aarch64<size, big_endian>* target,
7299 	    return tls_gd_to_le(relinfo, target, rela, r_type, view,
7310 		got_entry_address = target->got_->address() +
7318 		got_entry_address = target->got_->address() +
7357 	    return this->tls_ld_to_le(relinfo, target, rela, r_type, view,
7365 	got_entry_address = (target->got_mod_index_entry(NULL, NULL, NULL) +
7366 			     target->got_->address());
7433 	    return tls_ie_to_le(relinfo, target, rela, r_type, view,
7443 	    got_entry_address = target->got_->address() +
7451 	    got_entry_address = target->got_->address() +
7486 		align_address(target->tcb_size(),
7524 	    return tls_desc_gd_to_le(relinfo, target, rela, r_type,
7539 		got_tlsdesc_offset = (target->got_->data_size()
7540 				      + target->got_plt_section()->data_size());
7546 		got_entry_address = target->got_->address()
7555 		got_entry_address = target->got_->address() +
7561 		return tls_desc_gd_to_ie(relinfo, target, rela, r_type,
7602 	     Target_aarch64<size, big_endian>* target,
7666       align_address(target->tcb_size(), tls_segment->maximum_alignment());
7702 	     Target_aarch64<size, big_endian>* target,
7766       align_address(target->tcb_size(), tls_segment->maximum_alignment());
7802 	     Target_aarch64<size, big_endian>* target,
7815       align_address(target->tcb_size(), tls_segment->maximum_alignment());
7857 	     Target_aarch64<size, big_endian>* target,
7886       align_address(target->tcb_size(), tls_segment->maximum_alignment());
7930 	     Target_aarch64<size, big_endian>* /* target */,
7974        // Set ldr target register to be x0.