+2010-02-26 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
+ R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
+ * testsuite/debug_msg.sh: Avoid matching source line number for
+ use of global variable undef_int.
+
+2010-02-26 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
+ R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
+ (Target_arm::scan_reloc_section_for_stubs): Instead of calling
+ scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
+ * options.cc (General_options::General_options): Initialize member
+ fix_v4bx_.
+ * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
+ (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
+ and rm_no_fix_v4bx.stdout
+ (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
+ arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
+ arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
+ (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
+ and arm_no_fix_v4bx.
+ * Makefile.in: Regenerate.
+ * testsuite/arm_fix_v4bx.s: New file.
+ * testsuite/arm_fix_v4bx.sh: Ditto.
+
+2010-02-24 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Target_arm::got_section): Make the .got section the first
+ non RELRO section in the data segment.
+ * testsuite/script_test_5.sh: Fix match patterns to avoid matching
+ suffixes of section names.
+
+2010-02-24 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
+ flags and attributes merging if an input file is a binary file.
+ * fileread.cc (Input_file::open): Record format of original file.
+ * fileread.h (Input_file::Format): New enum type.
+ (Input_file::Input_file): Initialize data member format_.
+ (Input_file::format): New method definition.
+ (Input_file::format_):: New data member.
+
+2010-02-24 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Arm_output_data_got): New class.
+ (ARM_TCB_SIZE): New constant
+ (Target_arm): Use Arm_output_data_got instead of Output_data_got.
+ (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
+ If user uses a script with a SECTIONS clause, issue only a warning
+ for a misplaced EXIDX input section. Otherwise, issue an error.
+ (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
+ garbage collection.
+ (Target_arm::got_mode_index_entry): Handle static linking.
+ (Target_arm::Scan::local): Ditto.
+ (Target_arm::Scan::global): Ditto.
+ (Target_arm::Relocate::relocate_tls): Handle static linking. Fix
+ all incorrectly implemented relocations.
+ (Target_arm::fix_exidx_coverage): Pass layout to
+ Arm_output_section::fix_exidx_coverage.
+ * layout.cc (Layout::section_name_mapping): Remove trailing dots
+ from ".ARM.exidx." and ".ARM.extab.".
+
+2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
+
+ * arm.cc (Target_arm::do_finalize_sections): Create attribute
+ section if it does not already exist.
+ * attributes.cc (Attributes_section_data::Attributes_section_data):
+ Don't crash if size is zero.
+
+2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
+ Ian Lance Taylor <iant@google.com>
+
+ * gold.cc (queue_middle_tasks): If no input files were opened,
+ exit.
+ * workqueue.h (Task_function::Task_function): Assert that there is
+ a blocker.
+
+2010-02-22 Doug Kwan <dougkwan@google.com>
+
+ * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
+ * icf.cc (get_section_contents): Cast snprintf arguments to long long
+ types to avoid warnings due to different uint64_t implementations
+ on different hosts.
+
+2010-02-21 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
+ handling of the maximum backward branch offset.
+ (Arm_relocate_functions::thumb_branch_common): Ditto.
+ * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
+ (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
+ thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
+ thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
+ (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
+ arm_bl_out_of_range.stdout, arm_bl_out_of_range,
+ arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
+ thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
+ thumb_bl_out_of_range thumb_bl_out_of_range.o,
+ thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
+ thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
+ thumb2_bl_out_of_range.o): New rules.
+ (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
+ thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
+ thumb2_bl_out_of_range
+ * testsuite/Makefile.in: Regenerate.
+ * testsuite/arm_bl_in_range.s: New file.
+ * testsuite/arm_bl_out_of_range.s: Ditto.
+ * testsuite/arm_branch_in_range.sh: Ditto.
+ * testsuite/arm_branch_range.t: Ditto.
+ * testsuite/thumb2_branch_range.t: Ditto.
+ * testsuite/thumb_bl_in_range.s: Ditto.
+ * testsuite/thumb_bl_out_of_range.s: Ditto.
+ * testsuite/thumb_branch_range.t: Ditto.
+
+2010-02-20 Sriraman Tallam <tmsriram@google.com>
+
+ * gc.h (gc_process_relocs): Change vectors to point to the new list.
+ Add reloc offset information.
+ * icf.cc (get_section_contents): Change iterators to point to the new
+ vectors. Add reloc offset information to the contents.
+ * icf.h (Icf::Sections_reachable_info): New typedef.
+ (Icf::Sections_reachable_list): New typedef.
+ (Icf::Offset_info): New typedef.
+ (Icf::Reloc_info): New struct typedef.
+ (Icf::Reloc_info_list): New typedef.
+ (Icf::symbol_reloc_list): Delete method.
+ (Icf::addend_reloc_list): Delete method.
+ (Icf::section_reloc_list): Delete method.
+ (Icf::reloc_info_list): New method.
+ (Icf::reloc_info_list_): New member.
+
+2010-02-19 Doug Kwan <dougkwan@google.com>
+
+ * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
+ R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
+ * arm.cc (Arm_relocation_functions): New forward declaration.
+ (Target_arm::Target_arm): Initialize new data members
+ got_mod_index_offset_ and tls_base_symbol_defined_.
+ (Target_arm::Relocate::relocate_tls): New method.
+ (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
+ Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
+ New methods.
+ (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
+ GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
+ (Target_arm::got_mod_index_offset_,
+ Target_arm::tls_base_symbol_defined_): New data members.
+ (Target_arm::Scan::local, Target::Scan::global,
+ Target_arm::Relocate::relocate): Handle 32-bit initial TLS
+ relocations.
+
+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.