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-rw-r--r--linkers/rld-symbols.cpp389
1 files changed, 0 insertions, 389 deletions
diff --git a/linkers/rld-symbols.cpp b/linkers/rld-symbols.cpp
deleted file mode 100644
index 3464017..0000000
--- a/linkers/rld-symbols.cpp
+++ /dev/null
@@ -1,389 +0,0 @@
-/*
- * Copyright (c) 2011, Chris Johns <chrisj@rtems.org>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-/**
- * @file
- *
- * @ingroup rtems-ld
- *
- * @brief RTEMS Linker symbols manages the symbols from all the object files.
- *
- */
-
-#include <string.h>
-
-#include <iomanip>
-
-#include <rld.h>
-
-#include <libiberty/demangle.h>
-
-namespace rld
-{
- namespace symbols
- {
- /**
- * Get the demangled name.
- */
- static void
- denamgle_name (std::string& name, std::string& demangled)
- {
- char* demangled_name = ::cplus_demangle (name.c_str (),
- DMGL_ANSI | DMGL_PARAMS);
- if (demangled_name)
- {
- demangled = demangled_name;
- ::free (demangled_name);
- }
- }
-
- symbol::symbol ()
- : index_ (-1),
- object_ (0),
- references_ (0)
- {
- memset (&esym_, 0, sizeof (esym_));
- }
-
- symbol::symbol (int index,
- const std::string& name,
- files::object& object,
- const elf::elf_sym& esym)
- : index_ (index),
- name_ (name),
- object_ (&object),
- esym_ (esym),
- references_ (0)
- {
- if (!object_)
- throw rld_error_at ("object pointer is 0");
- if (is_cplusplus ())
- denamgle_name (name_, demangled_);
- }
-
- symbol::symbol (int index,
- const std::string& name,
- const elf::elf_sym& esym)
- : index_ (index),
- name_ (name),
- object_ (0),
- esym_ (esym),
- references_ (0)
- {
- if (is_cplusplus ())
- denamgle_name (name_, demangled_);
- }
-
- symbol::symbol (const std::string& name,
- const elf::elf_addr value)
- : index_ (-1),
- name_ (name),
- object_ (0),
- references_ (0)
- {
- memset (&esym_, 0, sizeof (esym_));
- esym_.st_value = value;
- }
-
- symbol::symbol (const char* name,
- const elf::elf_addr value)
- : index_ (-1),
- name_ (name),
- object_ (0),
- references_ (0)
- {
- memset (&esym_, 0, sizeof (esym_));
- esym_.st_value = value;
- }
-
- int
- symbol::index () const
- {
- return index_;
- }
-
- const std::string&
- symbol::name () const
- {
- return name_;
- }
-
- const std::string&
- symbol::demangled () const
- {
- return demangled_;
- }
-
- bool
- symbol::is_cplusplus () const
- {
- return (name_[0] == '_') && (name_[1] == 'Z');
- }
-
- int
- symbol::type () const
- {
- return GELF_ST_TYPE (esym_.st_info);
- }
-
- int
- symbol::binding () const
- {
- return GELF_ST_BIND (esym_.st_info);
- }
-
- int
- symbol::section_index () const
- {
- return esym_.st_shndx;
- }
-
- elf::elf_addr
- symbol::value () const
- {
- return esym_.st_value;
- }
-
- uint32_t
- symbol::info () const
- {
- return esym_.st_info;
- }
-
- rld::files::object*
- symbol::object () const
- {
- return object_;
- }
-
- void
- symbol::set_object (rld::files::object& obj)
- {
- object_ = &obj;
- }
-
- const elf::elf_sym&
- symbol::esym () const
- {
- return esym_;
- }
-
- void
- symbol::referenced ()
- {
- ++references_;
- if (object_)
- object_->symbol_referenced ();
- }
-
- bool
- symbol::operator< (const symbol& rhs) const
- {
- return name_ < rhs.name_;
- }
-
- void
- symbol::output (std::ostream& out) const
- {
- const elf::elf_sym& es = esym ();
-
- std::string binding;
- int binding_val = GELF_ST_BIND (es.st_info);
- switch (binding_val)
- {
- case STB_LOCAL:
- binding = "STB_LOCAL ";
- break;
- case STB_GLOBAL:
- binding = "STB_GLOBAL";
- break;
- case STB_WEAK:
- binding = "STB_WEAK ";
- break;
- default:
- if ((binding_val >= STB_LOPROC) && (binding_val <= STB_HIPROC))
- binding = "STB_LOPROC(" + rld::to_string (binding_val) + ")";
- else
- binding = "STB_INVALID(" + rld::to_string (binding_val) + ")";
- break;
- }
-
- std::string type;
- int type_val = GELF_ST_TYPE (es.st_info);
- switch (type_val)
- {
- case STT_NOTYPE:
- type = "STT_NOTYPE ";
- break;
- case STT_OBJECT:
- type = "STT_OBJECT ";
- break;
- case STT_FUNC:
- type = "STT_FUNC ";
- break;
- case STT_SECTION:
- type = "STT_SECTION";
- break;
- case STT_FILE:
- type = "STT_FILE ";
- break;
- default:
- if ((type_val >= STT_LOPROC) && (type_val <= STT_HIPROC))
- type = "STT_LOPROC(" + rld::to_string (type_val) + ")";
- else
- type = "STT_INVALID(" + rld::to_string (type_val) + ")";
- break;
- }
-
- out << std::setw (4) << index_
- << ' ' << binding
- << ' ' << type
- << ' ' << std::setw(6) << es.st_shndx
- << " 0x" << std::setw (8) << std::setfill ('0') << std::hex
- << es.st_value
- << std::dec << std::setfill (' ')
- << ' ' << std::setw (7) << es.st_size
- << ' ';
-
- if (is_cplusplus ())
- out << demangled ();
- else
- out << name ();
-
- if (object ())
- out << " (" << object ()->name ().basename () << ')';
- }
-
- table::table ()
- {
- }
-
- table::~table ()
- {
- }
-
- void
- table::add_external (symbol& sym)
- {
- _externals[sym.name ()] = &sym;
- }
-
- void
- table::add_weak (symbol& sym)
- {
- _weaks[sym.name ()] = &sym;
- }
-
- symbol*
- table::find_external (const std::string& name)
- {
- symtab::iterator sti = _externals.find (name);
- if (sti == _externals.end ())
- return 0;
- return (*sti).second;
- }
-
- symbol*
- table::find_weak (const std::string& name)
- {
- symtab::iterator sti = _weaks.find (name);
- if (sti == _weaks.end ())
- return 0;
- return (*sti).second;
- }
-
- size_t
- table::size () const
- {
- return _externals.size () + _weaks.size ();
- }
-
- const symtab&
- table::externals () const
- {
- return _externals;
- }
-
- const symtab&
- table::weaks () const
- {
- return _weaks;
- }
-
- void
- load (bucket& bucket_, table& table_)
- {
- for (bucket::iterator sbi = bucket_.begin ();
- sbi != bucket_.end ();
- ++sbi)
- {
- table_.add_external (*sbi);
- }
- }
-
- void
- load (bucket& bucket_, symtab& table_)
- {
- for (bucket::iterator sbi = bucket_.begin ();
- sbi != bucket_.end ();
- ++sbi)
- {
- symbol& sym = *sbi;
- table_[sym.name ()] = &sym;
- }
- }
-
- size_t
- referenced (pointers& symbols)
- {
- size_t used = 0;
- for (pointers::iterator sli = symbols.begin ();
- sli != symbols.end ();
- ++sli)
- {
- symbol& sym = *(*sli);
- if (sym.references ())
- ++used;
- }
-
- return used;
- }
-
- void
- output (std::ostream& out, const table& symbols)
- {
- out << "Externals:" << std::endl;
- output (out, symbols.externals ());
- out << "Weaks:" << std::endl;
- output (out, symbols.weaks ());
- }
-
- void
- output (std::ostream& out, const symtab& symbols)
- {
- std::cout << " No. Scope Type Address Size Name" << std::endl;
- int index = 0;
- for (symtab::const_iterator si = symbols.begin ();
- si != symbols.end ();
- ++si)
- {
- const symbol& sym = *((*si).second);
- out << std::setw (5) << index << ' ' << sym << std::endl;
- ++index;
- }
- }
-
- }
-}
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