From 800d982336156359cad5f98ba26a249a94f13108 Mon Sep 17 00:00:00 2001 From: Cary Coutant Date: Mon, 10 Mar 2014 13:35:53 -0700 Subject: [PATCH] Allow target to adjust dynamic symbol value. 2014-03-10 Sasa Stankovic gold/ * symtab.cc (Symbol_table::sized_write_globals): Allow a target to adjust dynamic symbol value. * target.h (Target::adjust_dyn_symbol): New function. (Target::do_adjust_dyn_symbol): New function. --- gold/ChangeLog | 7 +++++++ gold/symtab.cc | 2 ++ gold/target.h | 10 ++++++++++ 3 files changed, 19 insertions(+) diff --git a/gold/ChangeLog b/gold/ChangeLog index c29eb1e2c97..21e23d32b78 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,10 @@ +2014-03-10 Sasa Stankovic + + * symtab.cc (Symbol_table::sized_write_globals): Allow a target to + adjust dynamic symbol value. + * target.h (Target::adjust_dyn_symbol): New function. + (Target::do_adjust_dyn_symbol): New function. + 2014-03-10 Sasa Stankovic * output.cc (Output_data_dynamic::Dynamic_entry::write): diff --git a/gold/symtab.cc b/gold/symtab.cc index 87173b2ea6e..2a00d562846 100644 --- a/gold/symtab.cc +++ b/gold/symtab.cc @@ -3012,6 +3012,8 @@ Symbol_table::sized_write_globals(const Stringpool* sympool, unsigned char* pd = dynamic_view + (dynsym_index * sym_size); this->sized_write_symbol(sym, dynsym_value, shndx, binding, dynpool, pd); + // Allow a target to adjust dynamic symbol value. + parameters->target().adjust_dyn_symbol(sym, pd); } } diff --git a/gold/target.h b/gold/target.h index bd512501b8f..aaf4b1ccaab 100644 --- a/gold/target.h +++ b/gold/target.h @@ -475,6 +475,11 @@ class Target dynamic_tag_custom_value(elfcpp::DT tag) const { return this->do_dynamic_tag_custom_value(tag); } + // Adjust the value written to the dynamic symbol table. + void + adjust_dyn_symbol(const Symbol* sym, unsigned char* view) const + { this->do_adjust_dyn_symbol(sym, view); } + protected: // This struct holds the constant information for a child class. We // use a struct to avoid the overhead of virtual function calls for @@ -763,6 +768,11 @@ class Target do_dynamic_tag_custom_value(elfcpp::DT) const { gold_unreachable(); } + // This may be overridden by the child class. + virtual void + do_adjust_dyn_symbol(const Symbol*, unsigned char*) const + { } + private: // The implementations of the four do_make_elf_object virtual functions are // almost identical except for their sizes and endianness. We use a template. -- 2.30.2