From 9e9e071b2e0501d3413f48030f0f0edb0131305a Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Sat, 6 Mar 2010 02:34:13 +0000 Subject: [PATCH] * options.h (class General_options): Add --spare-dynamic-tags. * output.cc (Output_data_dynamic::set_final_data_size): Implement --spare-dynamic-tags. --- gold/ChangeLog | 6 ++++++ gold/options.h | 4 ++++ gold/output.cc | 10 +++++++--- 3 files changed, 17 insertions(+), 3 deletions(-) diff --git a/gold/ChangeLog b/gold/ChangeLog index b6320963ea9..1ae668b59bc 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,9 @@ +2010-03-05 Ian Lance Taylor + + * options.h (class General_options): Add --spare-dynamic-tags. + * output.cc (Output_data_dynamic::set_final_data_size): Implement + --spare-dynamic-tags. + 2010-03-05 Ian Lance Taylor * incremental.cc: Include "libiberty.h". diff --git a/gold/options.h b/gold/options.h index fee76dc853d..7f35bd21db5 100644 --- a/gold/options.h +++ b/gold/options.h @@ -875,6 +875,10 @@ class General_options N_("Sort common symbols by alignment"), N_("[={ascending,descending}]")); + DEFINE_uint(spare_dynamic_tags, options::TWO_DASHES, '\0', 5, + N_("Dynamic tag slots to reserve (default 5)"), + N_("COUNT")); + DEFINE_bool(strip_all, options::TWO_DASHES, 's', false, N_("Strip all symbols"), NULL); DEFINE_bool(strip_debug, options::TWO_DASHES, 'S', false, diff --git a/gold/output.cc b/gold/output.cc index d49f08b605c..0627cbe698f 100644 --- a/gold/output.cc +++ b/gold/output.cc @@ -1622,9 +1622,13 @@ Output_data_dynamic::set_final_data_size() { // Add the terminating entry if it hasn't been added. // Because of relaxation, we can run this multiple times. - if (this->entries_.empty() - || this->entries_.rbegin()->tag() != elfcpp::DT_NULL) - this->add_constant(elfcpp::DT_NULL, 0); + if (this->entries_.empty() || this->entries_.back().tag() != elfcpp::DT_NULL) + { + int extra = parameters->options().spare_dynamic_tags(); + for (int i = 0; i < extra; ++i) + this->add_constant(elfcpp::DT_NULL, 0); + this->add_constant(elfcpp::DT_NULL, 0); + } int dyn_size; if (parameters->target().get_size() == 32) -- 2.30.2