diff options
Diffstat (limited to 'binutils-2.19/gold/gc.h')
| -rw-r--r-- | binutils-2.19/gold/gc.h | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/binutils-2.19/gold/gc.h b/binutils-2.19/gold/gc.h index b79bd77..77ac6da 100644 --- a/binutils-2.19/gold/gc.h +++ b/binutils-2.19/gold/gc.h @@ -228,14 +228,14 @@ gc_process_relocs( unsigned int shndx = lsym.get_st_shndx(); bool is_ordinary; shndx = src_obj->adjust_sym_shndx(r_sym, shndx, &is_ordinary); - if (!is_ordinary) - continue; dst_obj = src_obj; dst_indx = shndx; - Section_id dst_id(dst_obj, dst_indx); if (is_icf_tracked) { - (*secvec).push_back(dst_id); + if (is_ordinary) + (*secvec).push_back(Section_id(dst_obj, dst_indx)); + else + (*secvec).push_back(Section_id(NULL, 0)); (*symvec).push_back(NULL); long long symvalue = static_cast<long long>(lsym.get_st_value()); (*addendvec).push_back(std::make_pair(symvalue, @@ -247,7 +247,8 @@ gc_process_relocs( // When doing safe folding, check to see if this relocation is that // of a function pointer being taken. - if (check_section_for_function_pointers + if (is_ordinary + && check_section_for_function_pointers && lsym.get_st_type() != elfcpp::STT_OBJECT && scan.local_reloc_may_be_function_pointer(symtab, NULL, NULL, src_obj, src_indx, @@ -256,7 +257,7 @@ gc_process_relocs( symtab->icf()->set_section_has_function_pointers( src_obj, lsym.get_st_shndx()); - if (shndx == src_indx) + if (!is_ordinary || shndx == src_indx) continue; } else @@ -265,16 +266,20 @@ gc_process_relocs( gold_assert(gsym != NULL); if (gsym->is_forwarder()) gsym = symtab->resolve_forwards(gsym); - if (gsym->source() != Symbol::FROM_OBJECT) - continue; - bool is_ordinary; - dst_obj = gsym->object(); - dst_indx = gsym->shndx(&is_ordinary); - Section_id dst_id(dst_obj, dst_indx); + + dst_obj = NULL; + dst_indx = 0; + bool is_ordinary = false; + if (gsym->source() == Symbol::FROM_OBJECT) + { + dst_obj = gsym->object(); + dst_indx = gsym->shndx(&is_ordinary); + } // When doing safe folding, check to see if this relocation is that // of a function pointer being taken. - if (check_section_for_function_pointers + if (gsym->source() == Symbol::FROM_OBJECT + && check_section_for_function_pointers && gsym->type() != elfcpp::STT_OBJECT && (!is_ordinary || scan.global_reloc_may_be_function_pointer( @@ -282,9 +287,6 @@ gc_process_relocs( r_type, gsym))) symtab->icf()->set_section_has_function_pointers(dst_obj, dst_indx); - if (!is_ordinary) - continue; - // If the symbol name matches '__start_XXX' then the section with // the C identifier like name 'XXX' should not be garbage collected. // A similar treatment to symbols with the name '__stop_XXX'. @@ -300,7 +302,10 @@ gc_process_relocs( } if (is_icf_tracked) { - (*secvec).push_back(dst_id); + if (is_ordinary && gsym->source() == Symbol::FROM_OBJECT) + (*secvec).push_back(Section_id(dst_obj, dst_indx)); + else + (*secvec).push_back(Section_id(NULL, 0)); (*symvec).push_back(gsym); Sized_symbol<size>* sized_gsym = static_cast<Sized_symbol<size>* >(gsym); @@ -312,6 +317,11 @@ gc_process_relocs( convert_to_section_size_type(reloc.get_r_offset()); (*offsetvec).push_back(reloc_offset); } + + if (gsym->source() != Symbol::FROM_OBJECT) + continue; + if (!is_ordinary) + continue; } if (parameters->options().gc_sections()) { |