diff options
| -rw-r--r-- | gold/ChangeLog | 9 | ||||
| -rw-r--r-- | gold/powerpc.cc | 108 |
2 files changed, 70 insertions, 47 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog index 0dec045..0a3f6ef 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,12 @@ +2013-03-06 Alan Modra <amodra@gmail.com> + + * powerpc.cc (class Powerpc_relobj): Move some member functions. + (Target_powerpc::symval_for_branch): Add symtab param. Update + all callers. Handle folded sections. + (Target_powerpc::do_gc_add_reference): Don't cast dynamic object + to Powerpc_relobj. + (Global_symbol_visitor_opd::operator()): Likewise. + 2013-03-04 Alan Modra <amodra@gmail.com> * testsuite/Makefile.am (final_layout_script.lds): Add .sbss. diff --git a/gold/powerpc.cc b/gold/powerpc.cc index 4521fc7..a978e7a 100644 --- a/gold/powerpc.cc +++ b/gold/powerpc.cc @@ -147,43 +147,6 @@ public: this->opd_ent_[ndx].discard = true; } - Access_from* - access_from_map() - { return &this->access_from_map_; } - - // Add a reference from SRC_OBJ, SRC_INDX to this object's .opd - // section at DST_OFF. - void - add_reference(Object* src_obj, - unsigned int src_indx, - typename elfcpp::Elf_types<size>::Elf_Addr dst_off) - { - Section_id src_id(src_obj, src_indx); - this->access_from_map_[dst_off].insert(src_id); - } - - // Add a reference to the code section specified by the .opd entry - // at DST_OFF - void - add_gc_mark(typename elfcpp::Elf_types<size>::Elf_Addr dst_off) - { - size_t ndx = this->opd_ent_ndx(dst_off); - if (ndx >= this->opd_ent_.size()) - this->opd_ent_.resize(ndx + 1); - this->opd_ent_[ndx].gc_mark = true; - } - - void - process_gc_mark(Symbol_table* symtab) - { - for (size_t i = 0; i < this->opd_ent_.size(); i++) - if (this->opd_ent_[i].gc_mark) - { - unsigned int shndx = this->opd_ent_[i].shndx; - symtab->gc()->worklist().push(Section_id(this, shndx)); - } - } - bool opd_valid() const { return this->opd_valid_; } @@ -222,6 +185,43 @@ public: return true; } + Access_from* + access_from_map() + { return &this->access_from_map_; } + + // Add a reference from SRC_OBJ, SRC_INDX to this object's .opd + // section at DST_OFF. + void + add_reference(Object* src_obj, + unsigned int src_indx, + typename elfcpp::Elf_types<size>::Elf_Addr dst_off) + { + Section_id src_id(src_obj, src_indx); + this->access_from_map_[dst_off].insert(src_id); + } + + // Add a reference to the code section specified by the .opd entry + // at DST_OFF + void + add_gc_mark(typename elfcpp::Elf_types<size>::Elf_Addr dst_off) + { + size_t ndx = this->opd_ent_ndx(dst_off); + if (ndx >= this->opd_ent_.size()) + this->opd_ent_.resize(ndx + 1); + this->opd_ent_[ndx].gc_mark = true; + } + + void + process_gc_mark(Symbol_table* symtab) + { + for (size_t i = 0; i < this->opd_ent_.size(); i++) + if (this->opd_ent_[i].gc_mark) + { + unsigned int shndx = this->opd_ent_[i].shndx; + symtab->gc()->worklist().push(Section_id(this, shndx)); + } + } + // Return offset in output GOT section that this object will use // as a TOC pointer. Won't be just a constant with multi-toc support. Address @@ -796,7 +796,8 @@ class Target_powerpc : public Sized_target<size, big_endian> }; Address - symval_for_branch(Address value, const Sized_symbol<size>* gsym, + symval_for_branch(const Symbol_table* symtab, Address value, + const Sized_symbol<size>* gsym, Powerpc_relobj<size, big_endian>* object, unsigned int *dest_shndx); @@ -2163,7 +2164,8 @@ Target_powerpc<size, big_endian>::Branch_info::make_stub( if (size == 64 && is_branch_reloc(this->r_type_)) { unsigned int dest_shndx; - to = stub_table->targ()->symval_for_branch(to, gsym, this->object_, + to = stub_table->targ()->symval_for_branch(symtab, to, gsym, + this->object_, &dest_shndx); } Address delta = to - from; @@ -5527,11 +5529,12 @@ Target_powerpc<size, big_endian>::do_gc_add_reference( unsigned int dst_shndx, Address dst_off) const { + if (size != 64 || dst_obj->is_dynamic()) + return; + Powerpc_relobj<size, big_endian>* ppc_object = static_cast<Powerpc_relobj<size, big_endian>*>(dst_obj); - if (size == 64 - && !ppc_object->is_dynamic() - && dst_shndx == ppc_object->opd_shndx()) + if (dst_shndx == ppc_object->opd_shndx()) { if (ppc_object->opd_valid()) { @@ -5637,10 +5640,12 @@ class Global_symbol_visitor_opd || !sym->in_real_elf()) return; + if (sym->object()->is_dynamic()) + return; + Powerpc_relobj<64, big_endian>* symobj = static_cast<Powerpc_relobj<64, big_endian>*>(sym->object()); - if (symobj->is_dynamic() - || symobj->opd_shndx() == 0) + if (symobj->opd_shndx() == 0) return; bool is_ordinary; @@ -5827,6 +5832,7 @@ ok_lo_toc_insn(uint32_t insn) template<int size, bool big_endian> typename Target_powerpc<size, big_endian>::Address Target_powerpc<size, big_endian>::symval_for_branch( + const Symbol_table* symtab, Address value, const Sized_symbol<size>* gsym, Powerpc_relobj<size, big_endian>* object, @@ -5854,6 +5860,13 @@ Target_powerpc<size, big_endian>::symval_for_branch( { Address sec_off; *dest_shndx = symobj->get_opd_ent(value - opd_addr, &sec_off); + if (symtab->is_section_folded(symobj, *dest_shndx)) + { + Section_id folded + = symtab->icf()->get_folded_section(symobj, *dest_shndx); + symobj = static_cast<Powerpc_relobj<size, big_endian>*>(folded.first); + *dest_shndx = folded.second; + } Address sec_addr = symobj->get_output_section_offset(*dest_shndx); gold_assert(sec_addr != invalid_address); sec_addr += symobj->output_section(*dest_shndx)->address(); @@ -5996,8 +6009,8 @@ Target_powerpc<size, big_endian>::Relocate::relocate( Address addend = rela.get_r_addend(); unsigned int dest_shndx; Address opdent = psymval->value(object, addend); - code = target->symval_for_branch(opdent, gsym, object, - &dest_shndx); + code = target->symval_for_branch(relinfo->symtab, opdent, + gsym, object, &dest_shndx); bool is_ordinary; if (dest_shndx == 0) dest_shndx = gsym->shndx(&is_ordinary); @@ -6259,7 +6272,8 @@ Target_powerpc<size, big_endian>::Relocate::relocate( addend = rela.get_r_addend(); value = psymval->value(object, addend); if (size == 64 && is_branch_reloc(r_type)) - value = target->symval_for_branch(value, gsym, object, &dest_shndx); + value = target->symval_for_branch(relinfo->symtab, value, + gsym, object, &dest_shndx); unsigned int max_branch_offset = 0; if (r_type == elfcpp::R_POWERPC_REL24 || r_type == elfcpp::R_PPC_PLTREL24 |