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Add object::get_section.

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Add a method to return a section given the ELF section index.

Add more trace output for debugging.
This commit is contained in:
Chris Johns 2012-12-18 20:52:18 +11:00
parent b5a59dd96f
commit 53221a0485
2 changed files with 32 additions and 13 deletions
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38
linkers/rld-files.cpp
View File

@ -363,7 +363,7 @@ namespace rld
if (path.empty ())
throw rld::error ("No file name", "open:" + path);
if (rld::verbose () >= RLD_VERBOSE_TRACE)
if (rld::verbose () >= RLD_VERBOSE_TRACE_FILE)
std::cout << "image::open: " << name (). full ()
<< " refs:" << references_ + 1
<< " writable:" << (char*) (writable_ ? "yes" : "no")
@ -394,7 +394,7 @@ namespace rld
{
if (references_ > 0)
{
if (rld::verbose () >= RLD_VERBOSE_TRACE)
if (rld::verbose () >= RLD_VERBOSE_TRACE_FILE)
std::cout << "image::close: " << name ().full ()
<< " refs:" << references_ << std::endl;
@ -822,7 +822,7 @@ namespace rld
void
archive::create (object_list& objects)
{
if (rld::verbose () >= RLD_VERBOSE_INFO)
if (rld::verbose () >= RLD_VERBOSE_DETAILS)
std::cout << "archive::create: " << name ().full ()
<< ", objects: " << objects.size () << std::endl;
@ -1041,7 +1041,7 @@ namespace rld
* Begin a session.
*/
if (rld::verbose () >= RLD_VERBOSE_TRACE)
if (rld::verbose () >= RLD_VERBOSE_TRACE_FILE)
std::cout << "object:begin: " << name ().full () << " in-archive:"
<< ((char*) (archive_ ? "yes" : "no")) << std::endl;
@ -1096,7 +1096,7 @@ namespace rld
void
object::end ()
{
if (rld::verbose () >= RLD_VERBOSE_TRACE)
if (rld::verbose () >= RLD_VERBOSE_TRACE_FILE)
std::cout << "object:end: " << name ().full () << std::endl;
elf ().end ();
@ -1111,14 +1111,14 @@ namespace rld
void
object::load_symbols (rld::symbols::table& symbols, bool local)
{
if (rld::verbose () >= RLD_VERBOSE_TRACE)
if (rld::verbose () >= RLD_VERBOSE_TRACE_SYMS)
std::cout << "object:load-sym: " << name ().full () << std::endl;
rld::symbols::pointers syms;
elf ().get_symbols (syms, false, local);
if (rld::verbose () >= RLD_VERBOSE_TRACE)
if (rld::verbose () >= RLD_VERBOSE_TRACE_SYMS)
std::cout << "object:load-sym: exported: total "
<< syms.size () << std::endl;
@ -1129,11 +1129,7 @@ namespace rld
symbols::symbol& sym = *(*si);
if (rld::verbose () >= RLD_VERBOSE_TRACE_SYMS)
{
std::cout << "object:load-sym: exported: ";
sym.output (std::cout);
std::cout << std::endl;
}
std::cout << "object:load-sym: exported: " << sym << std::endl;
sym.set_object (*this);
symbols[sym.name ()] = &sym;
@ -1142,7 +1138,7 @@ namespace rld
elf ().get_symbols (syms, true);
if (rld::verbose () >= RLD_VERBOSE_TRACE)
if (rld::verbose () >= RLD_VERBOSE_TRACE_SYMS)
std::cout << "object:load-sym: unresolved: total "
<< syms.size () << std::endl;
@ -1269,6 +1265,22 @@ namespace rld
}
}
const section&
object::get_section (int index) const
{
for (sections::const_iterator si = secs.begin ();
si != secs.end ();
++si)
{
const section& sec = *si;
if (sec.index == index)
return sec;
}
throw rld::error ("Section index '" + rld::to_string (index) +
"' not found: " + name ().full (), "object::get-section");
}
cache::cache ()
: opened (false)
{

7
linkers/rld-files.h
View File

@ -734,6 +734,13 @@ namespace rld
*/
void get_sections (sections& filtered_secs, const std::string& name);
/**
* Get a section given an index number.
*
* @param index The section index to search for.
*/
const section& get_section (int index) const;
private:
archive* archive_; //< Points to the archive if part of an
// archive.