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2010-02-132010-02-12 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-4/+39
* 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.
2010-01-04 * gc.h (gc_process_relocs): Call is_section_foldable_candidate toSriraman Tallam1-9/+12
check for .text or .gnu.linkonce.t sections. * icf.cc (Icf::find_identical_sections): Ditto. Change the detection for mangled function name within the section name. * icf.h (is_section_foldable_candidate): New function.
2009-12-14 Revert -Wshadow changes, all changes from:Ian Lance Taylor1-3/+3
2009-12-11 Doug Kwan <dougkwan@google.com> 2009-12-11 Nick Clifton <nickc@redhat.com> * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2009-12-11Add -Wshadow to the gcc command line options used when compiling the binutils.Nick Clifton1-3/+3
Fix up all warnings generated by the addition of this switch.
2009-10-13 * gc.h (gc_process_relocs): Check if icf is enabled using newSriraman Tallam1-1/+23
function. * gold.cc (queue_initial_tasks): Likewise. (queue_middle_tasks): Likewise. * object.cc (do_layout): Likewise. * symtab.cc (is_section_folded): Likewise. * main.cc (main): Likewise. * reloc.cc (Read_relocs::run): Likewise. (Sized_relobj::do_scan_relocs): Likewise. * icf.cc (is_function_ctor_or_dtor): New function. (Icf::find_identical_sections): Check if function is ctor or dtor when safe icf is chosen. * options.h (General_options::icf): Change option to be an enum. (Icf_status): New enum. (icf_enabled): New method. (icf_safe_folding): New method. (set_icf_status): New method. (icf_status_): New variable. * (options.cc) (General_options::finalize): Set icf_status_. * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify icf_test and icf_keep_unique_test to use the --icf enum flag. * testsuite/icf_safe_test.sh: New file. * testsuite/icf_safe_test.cc: New file.
2009-08-132009-08-12 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-3/+6
* icf.cc (Icf::find_identical_sections): Issue a warning when a symbol in the --keep-unique list is not found.
2009-08-12Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-0/+38
* icf.cc (Icf::find_identical_sections): Unfold symbols that have been maked as --keep-unique. (Icf::unfold_section): New function. * icf.h (Icf::unfold_section): New function. * options.h (General_options::keep_unique): New option. * testsuite/Makefile.am: Add commands to build icf_keep_unique_test. * testsuite/Makefile.in: Regenerate. * testsuite/icf_keep_unique_test.sh: New file. * testsuite/icf_keep_unique_test.cc: New file.
2009-08-05*** empty log message ***Sriraman Tallam1-0/+634