diff options
Diffstat (limited to 'gold/powerpc.cc')
-rw-r--r-- | gold/powerpc.cc | 59 |
1 files changed, 41 insertions, 18 deletions
diff --git a/gold/powerpc.cc b/gold/powerpc.cc index 9a200ab..6f610cb 100644 --- a/gold/powerpc.cc +++ b/gold/powerpc.cc @@ -3333,6 +3333,16 @@ Target_powerpc<size, big_endian>::do_relax(int pass, if (size == 64 && again) this->brlt_section_->set_current_size(num_huge_branches); + for (typename Stub_tables::reverse_iterator p = this->stub_tables_.rbegin(); + p != this->stub_tables_.rend(); + ++p) + (*p)->remove_eh_frame(layout); + + for (typename Stub_tables::iterator p = this->stub_tables_.begin(); + p != this->stub_tables_.end(); + ++p) + (*p)->add_eh_frame(layout); + typedef Unordered_set<Output_section*> Output_sections; Output_sections os_need_update; for (typename Stub_tables::iterator p = this->stub_tables_.begin(); @@ -3342,7 +3352,6 @@ Target_powerpc<size, big_endian>::do_relax(int pass, if ((*p)->size_update()) { again = true; - (*p)->add_eh_frame(layout); os_need_update.insert((*p)->output_section()); } } @@ -4244,25 +4253,39 @@ class Stub_table : public Output_relaxed_input_section void add_eh_frame(Layout* layout) { - if (!this->eh_frame_added_) - { - if (!parameters->options().ld_generated_unwind_info()) - return; + if (!parameters->options().ld_generated_unwind_info()) + return; - // Since we add stub .eh_frame info late, it must be placed - // after all other linker generated .eh_frame info so that - // merge mapping need not be updated for input sections. - // There is no provision to use a different CIE to that used - // by .glink. - if (!this->targ_->has_glink()) - return; + // Since we add stub .eh_frame info late, it must be placed + // after all other linker generated .eh_frame info so that + // merge mapping need not be updated for input sections. + // There is no provision to use a different CIE to that used + // by .glink. + if (!this->targ_->has_glink()) + return; - layout->add_eh_frame_for_plt(this, - Eh_cie<size>::eh_frame_cie, - sizeof (Eh_cie<size>::eh_frame_cie), - default_fde, - sizeof (default_fde)); - this->eh_frame_added_ = true; + if (this->plt_size_ + this->branch_size_ + this->need_save_res_ == 0) + return; + + layout->add_eh_frame_for_plt(this, + Eh_cie<size>::eh_frame_cie, + sizeof (Eh_cie<size>::eh_frame_cie), + default_fde, + sizeof (default_fde)); + this->eh_frame_added_ = true; + } + + void + remove_eh_frame(Layout* layout) + { + if (this->eh_frame_added_) + { + layout->remove_eh_frame_for_plt(this, + Eh_cie<size>::eh_frame_cie, + sizeof (Eh_cie<size>::eh_frame_cie), + default_fde, + sizeof (default_fde)); + this->eh_frame_added_ = false; } } |