+2010-02-18 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Arm_relobj::find_linked_text_section): New method.
+ (Arm_relobj::make_exidx_input_section): Pass section index of linked
+ text section as a parameter becuase some broken tools may not set
+ the link in section header.
+ (Target_arm::has_got_section): New method.
+ (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
+ without any mapping symbol as data only. Remove warning.
+ (Arm_relobj::do_read_synbols): If an EXIDX input section has no
+ link in its section header, try to discover the link by inspecting the
+ REL31 relocation at the beginning of the section.
+ (Target_arm::Scan::check_non_pic): Report name of offending relocation
+ in error message.
+ (Target_arm::Scan::global): Treat any reference to the symbol
+ _GLOBAL_OFFSET_TABLE_ as a GOT access.
+
+2010-02-12 Sriraman Tallam <tmsriram@google.com>
+
+ * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
+ (Scan::global_reloc_may_be_function_pointer): New function.
+ * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
+ (Scan::global_reloc_may_be_function_pointer): New function.
+ * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
+ (Scan::global_reloc_may_be_function_pointer): New function.
+ * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
+ (Scan::global_reloc_may_be_function_pointer): New function.
+ * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
+ (Scan::global_reloc_may_be_function_pointer): New function.
+ (Scan::possible_function_pointer_reloc): New function.
+ (Target_x86_64::can_check_for_function_pointers): New function.
+ * gc.h (gc_process_relocs): Scan relocation types to determine if
+ function pointers were taken for targets that support it.
+ * icf.cc (Icf::find_identical_sections): Include functions for
+ folding in safe ICF whose pointer is not taken.
+ * icf.h (Secn_fptr_taken_set): New typedef.
+ (fptr_section_id_): New member.
+ (section_has_function_pointers): New function.
+ (set_section_has_function_pointers): New function.
+ (check_section_for_function_pointers): New function.
+ * options.h: Fix comment for safe ICF option.
+ * target.h (can_check_for_function_pointers): New function.
+ * testsuite/Makefile.am: Add icf_safe_so_test test case.
+ Modify icf_safe_test for X86-64.
+ * testsuite/Makefile.in: Regenerate.
+ * testsuite/icf_safe_so_test.cc: New file.
+ * testsuite/icf_safe_so_test.sh: New file.
+ * testsuite/icf_safe_test.cc (kept_func_3): New function.
+ (main): Change to take pointer to function kept_func_3.
+ * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
+ folding is done correctly for X86-64.
+
+2010-02-12 David S. Miller <davem@davemloft.net>
+
+ * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
+ is_symbolless parameter.
+ (Output_reloc<SHT_REL>::is_symbolless): New.
+ (Output_reloc<SHT_REL>::is_symbolless_): New.
+ (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
+ (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
+ (Output_reloc<SHT_RELA>::is_symbolless): New.
+ (Output_data_reloc::add_global): Handle is_symbolless.
+ (Output_data_reloc::add_global_relative): Likewise.
+ (Output_data_reloc::add_local): Likewise.
+ (Output_data_reloc::add_local_relative): Likewise.
+ (Output_data_reloc::add_symbolless_global_addend): New.
+ (Output_data_reloc::add_symbolless_local_addend): New.
+ * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
+ is_symbolless.
+ (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
+ instead of ->is_relative_
+ (Output_reloc::write): Likewise.
+ (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
+ (Output_reloc::write_rel): Simplify.
+
+ * sparc.cc (Target_sparc::Scan::local): Use
+ ->add_symbolless_local_addend as needed.
+ (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
+ needed. Also, emit appropriate unaligned vs. aligned dynamic reloc
+ based upon relocation offset.
+
+2010-02-11 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
+ (Target_arm::Scan::global): Ditto. Also remove a comment before the
+ beginning of function.
+ (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
+ and MOVT_ABS relocations. Those are non issued in scanning. Fix
+ parameter is_32bit in calls to should_apply_static_reloc.
+ * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
+ (check_DATA): Add arm_abs_global.stdout.
+ (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
+ arm_abs_global.stdout): New rules.
+ (MOSTLLYCLEANFILES): Add arm_abs_global
+ * Makefile.in: Regenerate.
+ * testsuite/arm_abs_global.s: New file.
+ * testsuite/arm_abs_global.sh: Ditto.
+ * testsuite/arm_abs_lib.s: Ditto.
+
+2010-02-11 Ian Lance Taylor <iant@google.com>
+
+ * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
+ Read_relocs task.
+ (queue_middle_tasks): Likewise, and also for Scan_relocs. Run
+ Allocate_commons_task first.
+ * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
+ task, rather than symtab_lock_.
+ (Gc_process_relocs::~Gc_process_relocs): New function.
+ (Gc_process_relocs::is_runnable): Check this_blocker_.
+ (Gc_process_relocs::locks): Use next_blocker_ rather than
+ blocker_.
+ (Scan_relocs::~Scan_relocs): New function.
+ (Scan_relocs::is_runnable): Check this_blocker_ rather than
+ symtab_lock_.
+ (Scan_relocs::locks): Drop symtab_lock_ and blocker_. Add
+ next_blocker_.
+ * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
+ fields. Add this_blocker_ and next_blocker_ fields. Adjust
+ constructor accordingly.
+ (class Gc_process_relocs): Likewise.
+ (class Scan_relocs): Likewise.
+ * common.h (class Allocate_commons_task): Remove symtab_lock_
+ field, and corresponding constructor parameter.
+ * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
+ symtab_lock_.
+ (Allocate_commons_task::locks): Likewise.
+
+2010-02-11 Ian Lance Taylor <iant@google.com>
+
+ * gold-threads.h (class Once): Define.
+ (class Initialize_lock): Rewrite as child of Once.
+ * gold-threads.cc (class Once_initialize): Define.
+ (once_pointer_control): New static variable.
+ (once_pointer, once_arg): New static variables.
+ (c_run_once): New static function.
+ (Once::Once, Once::run_once, Once::internal_run): New functions.
+ (class Initialize_lock_once): Remove.
+ (initialize_lock_control): Remove.
+ (initialize_lock_pointer): Remove.
+ (initialize_lock_once): Remove.
+ (Initialize_lock::Initialize_lock): Move to gold-threads.h.
+ (Initialize_lock::initialize): Rewrite.
+ (Initialize_lock::do_run_once): New function.
+ * archive.cc (Archive::interpret_header): Only clear name if it is
+ not already empty.
+ * fileread.cc: Include "gold-threads.h"
+ (file_counts_lock): New static variable.
+ (file_counts_initialize_lock): Likewise.
+ (File_read::release): Only increment counts when using --stats.
+ Use a lock around the increment.
+ * parameters.cc (class Set_parameters_target_once): Define.
+ (set_parameters_target_once): New static variable.
+ (Parameters::Parameters): Move here from parameters.h.
+ (Parameters::set_target): Rewrite.
+ (Parameters::set_target_once): New function.
+ (Parameters::clear_target): Move here and rewrite.
+ * parameters.h (class Parameters): Update declarations. Add
+ set_parameters_target_once_ field.
+ (Parameters::Parameters): Move to parameters.cc.
+ (Parameters::clear_target): Likewise.
+ * readsyms.cc (Read_symbols::do_group): Create a Start_group
+ task.
+ (Start_group::~Start_group): New function.
+ (Start_group::is_runnable): New function.
+ (Start_group::locks, Start_group::run): New functions.
+ (Finish_group::run): Change saw_undefined to size_t.
+ * readsyms.h (class Start_group): Define.
+ (class Finish_group): Change saw_undefined_ field to size_t.
+ (Finish_group::Finish_group): Remove saw_undefined and
+ this_blocker parameters. Change all callers.
+ (Finish_group::set_saw_undefined): New function.
+ (Finish_group::set_blocker): New function.
+ * symtab.h (class Symbol_table): Change saw_undefined to return
+ size_t. Change saw_undefined_ field to size_t.
+ * target-select.cc (Set_target_once::do_run_once): New function.
+ (Target_selector::Target_selector): Initialize set_target_once_
+ field. Don't initialize lock_ and initialize_lock_ fields.
+ (Target_selector::instantiate_target): Rewrite.
+ (Target_selector::set_target): New function.
+ * target-select.h (class Set_target_once): Define.
+ (class Target_selector): Update declarations. Make
+ Set_target_once a friend. Remove lock_ and initialize_lock_
+ fields. Add set_target_once_ field.
+
+2010-02-10 Ian Lance Taylor <iant@google.com>
+
+ * dirsearch.cc (Dirsearch::initialize): Add all blockers before
+ queueing any tasks.
+ * gold.cc (queue_middle_gc_tasks): Likewise. Fix final blocker.
+ (queue_middle_tasks): Add all blockers before queueing any tasks.
+ (queue_final_tasks): Likewise.
+ * token.h (Task_token::add_blockers): New function.
+ * object.h (Input_objects::number_of_relobjs): New function.
+
+2010-02-10 Ian Lance Taylor <iant@google.com>
+
+ * i386.cc (Relocate::relocate_tls): A local symbol is final if not
+ shared, not if not position independent.
+ * x86_64.cc (Relocate::relocate_tls): Likewise.
+ * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
+ (tls_pie_pic_test): New target.
+ * testsuite/Makefile.in: Rebuild.
+
+ * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
+ (tls_test_main_pie.o, tls_test_pie.o): New targets.
+ (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
+ * testsuite/Makefile.in: Rebuild.
+
+2010-02-09 David S. Miller <davem@davemloft.net>
+
+ * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
+ R_SPARC_RELATIVE using ->add_local_relative().
+ (Target_sparc::Scan::global): Likewise for ->add_global_relative().
+
+ * output.h (Output_data_dynamic::add_section_size): New method
+ that takes two Output_data objects.
+ (Output_data_dynamic::Dynamic_entry): Create storage for secondary
+ entry param. Handle it in initializers.
+ * output.cc (Output_data_dynamic::Dynamic_entry::write): For
+ DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
+ * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
+ arg.
+ * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
+ and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
+ * arm.cc (Target_arm::do_finalize_sections): Update to pass false
+ for dynrel_includes_plt.
+ * i386.cc (Target_i386::do_finalize_sections): Likewise.
+ * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
+ * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
+ before .rela.plt
+ (Target_sparc::do_finalize_sections): Update to pass true for
+ dynrel_includes_plt.
+ * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
+ output before .rela.plt
+ (Target_powerpc::do_finalize_sections): Update to pass true for
+ dynrel_includes_plt when 32-bit.
+
+2010-02-08 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Arm_relobj::simple_input_section_output_address): New
+ method.
+ (Arm_relobj::section_needs_cortex_a8_stub_scanning,
+ Arm_relobj::scan_section_for_cortex_a8_stubs,
+ Arm_relobj::do_relocation_section): Instead of calling
+ Output_section::output_address, use faster
+ Arm_relobj::simple_input_section_output_address.
+
+2010-02-08 David S. Miller <davem@davemloft.net>
+
+ * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
+ unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
+ relocation helper function.
+
+ * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
+ just like R_SPARC_GOT{10,13,22}.
+ (Target_sparc::Scan::local): Likewise.
+ (Target_sparc::Relocate:relocate): Likewise.
+
+2010-02-06 Ian Lance Taylor <iant@google.com>
+
+ * configure.ac: Rewrite targetobjs duplicate removal code to use
+ only shell constructs.
+ * configure: Rebuild.
+
+2010-02-05 Doug Kwan <dougkwan@google.com>
+
+ PR 11247
+ * arm.cc (Arm_relobj::section_is_scannable): New method.
+ (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
+ (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
+
+2010-02-04 Doug Kwan <dougkwan@google.com>
+
+ PR 11247
+ * arm-reloc-property.cc (cstdio): Include.
+ * configure.ac (targetobjs): Remove duplicates.
+ * configure: Regenerate.
+ * resolve.cc (Symbol_table::resolve): Explicit instantiate both
+ big and little endian version for a given address size.
+
+2010-02-03 Doug Kwan <dougkwan@google.com>
+
+ * arm-reloc-property.cc
+ (Arm_reloc_property_table::reloc_name_in_error_message): New method
+ definition.
+ * arm-reloc-property.h
+ (Arm_reloc_property_table::get_implemented_static_reloc_property):
+ New method definition.
+ (Arm_reloc_property_table::reloc_name_in_error_message): New method
+ declaration.
+ * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
+ overflow to N.
+ (GOT_PREL): Change implemented to Y.
+ * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
+ (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
+ (Arm_relocate_functions::movw_abs_nc): Remove method.
+ (Arm_relocate_functions::movt_abs): Ditto.
+ (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
+ (Arm_relocate_functions::thm_movt_abs): Ditto.
+ (Arm_relocate_functions::movw_rel_nc): Ditto.
+ (Arm_relocate_functions::movw_rel): Ditto.
+ (Arm_relocate_functions::movt_rel): Ditto.
+ (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
+ (Arm_relocate_functions:thm_movw_rel): Ditto.
+ (Arm_relocate_functions:thm_movt_rel): Ditto.
+ (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
+ (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
+ New method definitions.
+ (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
+ (Arm_relocation_functions::arm_grp_ldr): Ditto.
+ (Arm_relocation_functions::arm_grp_ldrs): Ditto.
+ (Arm_relocation_functions::arm_grp_ldc): Ditto.
+ (Target_arm::Relocate::relocate): Check for non-static or
+ unimplemented relocation code and exit early. Change calls to
+ Target_arm::reloc_uses_thumb_bit and
+ Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
+ instead. Refactor code to handle similar relocations to increase
+ code sharing. Remove check for unsupported relocation code in switch
+ statement.
+ (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
+ relocation property table to find out size. Change error message to
+ print out the name of a relocation code instead of the numeric value.
+ (Target_arm::scan_reloc_for_stub): Use relocation property table
+ instead of calling Target_arm::reloc_uses_thumb_bit().
+
2010-02-02 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::relocate_section): Do view adjustment for all
projects / deliverable / binutils-gdb.git / blobdiff