From 731ca54a85292ebb897a0d01efefe7f6320279d9 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafael=20=C3=81vila=20de=20Esp=C3=ADndola?= Date: Wed, 8 Sep 2010 18:31:35 +0000 Subject: [PATCH] 2010-09-08 Rafael Espindola * arm.cc (do_finalize_sections): Create the __exidx_start and __exdix_end symbols even when the section is missing. --- gold/ChangeLog | 5 ++++ gold/arm.cc | 69 +++++++++++++++++++++++++++++++------------------- 2 files changed, 48 insertions(+), 26 deletions(-) diff --git a/gold/ChangeLog b/gold/ChangeLog index 45b3d7ccefc..c5f3bda1ee3 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,8 @@ +2010-09-08 Rafael Espindola + + * arm.cc (do_finalize_sections): Create the __exidx_start and + __exdix_end symbols even when the section is missing. + 2010-09-08 Nick Clifton * README: Remove claim that MEMORY is not supported. diff --git a/gold/arm.cc b/gold/arm.cc index 4353489d317..85f95429a4b 100644 --- a/gold/arm.cc +++ b/gold/arm.cc @@ -8426,33 +8426,50 @@ Target_arm::do_finalize_sections( // Handle the .ARM.exidx section. Output_section* exidx_section = layout->find_output_section(".ARM.exidx"); - if (exidx_section != NULL - && exidx_section->type() == elfcpp::SHT_ARM_EXIDX - && !parameters->options().relocatable()) - { - // Create __exidx_start and __exdix_end symbols. - symtab->define_in_output_data("__exidx_start", NULL, - Symbol_table::PREDEFINED, - exidx_section, 0, 0, elfcpp::STT_OBJECT, - elfcpp::STB_GLOBAL, elfcpp::STV_HIDDEN, 0, - false, true); - symtab->define_in_output_data("__exidx_end", NULL, - Symbol_table::PREDEFINED, - exidx_section, 0, 0, elfcpp::STT_OBJECT, - elfcpp::STB_GLOBAL, elfcpp::STV_HIDDEN, 0, - true, true); - // For the ARM target, we need to add a PT_ARM_EXIDX segment for - // the .ARM.exidx section. - if (!layout->script_options()->saw_phdrs_clause()) - { - gold_assert(layout->find_output_segment(elfcpp::PT_ARM_EXIDX, 0, 0) - == NULL); - Output_segment* exidx_segment = - layout->make_output_segment(elfcpp::PT_ARM_EXIDX, elfcpp::PF_R); - exidx_segment->add_output_section_to_nonload(exidx_section, - elfcpp::PF_R); - } + if (!parameters->options().relocatable()) + { + if (exidx_section != NULL + && exidx_section->type() == elfcpp::SHT_ARM_EXIDX) + { + // Create __exidx_start and __exdix_end symbols. + symtab->define_in_output_data("__exidx_start", NULL, + Symbol_table::PREDEFINED, + exidx_section, 0, 0, elfcpp::STT_OBJECT, + elfcpp::STB_GLOBAL, elfcpp::STV_HIDDEN, + 0, false, true); + symtab->define_in_output_data("__exidx_end", NULL, + Symbol_table::PREDEFINED, + exidx_section, 0, 0, elfcpp::STT_OBJECT, + elfcpp::STB_GLOBAL, elfcpp::STV_HIDDEN, + 0, true, true); + + // For the ARM target, we need to add a PT_ARM_EXIDX segment for + // the .ARM.exidx section. + if (!layout->script_options()->saw_phdrs_clause()) + { + gold_assert(layout->find_output_segment(elfcpp::PT_ARM_EXIDX, 0, + 0) + == NULL); + Output_segment* exidx_segment = + layout->make_output_segment(elfcpp::PT_ARM_EXIDX, elfcpp::PF_R); + exidx_segment->add_output_section_to_nonload(exidx_section, + elfcpp::PF_R); + } + } + else + { + symtab->define_as_constant("__exidx_start", NULL, + Symbol_table::PREDEFINED, + 0, 0, elfcpp::STT_OBJECT, + elfcpp::STB_GLOBAL, elfcpp::STV_HIDDEN, 0, + true, false); + symtab->define_as_constant("__exidx_end", NULL, + Symbol_table::PREDEFINED, + 0, 0, elfcpp::STT_OBJECT, + elfcpp::STB_GLOBAL, elfcpp::STV_HIDDEN, 0, + true, false); + } } // Create an .ARM.attributes section if we have merged any attributes -- 2.30.2