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linkers/exeinfo: Report who inlines which functions. Report not inline functions.

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This commit is contained in:
Chris Johns 2018-08-07 09:10:40 +10:00
parent 317d85d71f
commit 2950fd40f0
1 changed files with 54 additions and 21 deletions
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75
linkers/rtems-exeinfo.cpp
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@ -631,7 +631,8 @@ namespace rld
size_t total = 0; size_t total = 0;
size_t total_size = 0; size_t total_size = 0;
size_t inlined_size = 0; size_t inlined_size = 0;
dwarf::functions funcs; dwarf::functions funcs_inlined;
dwarf::functions funcs_not_inlined;
func_counts counts; func_counts counts;
for (auto& cu : debug.get_cus ()) for (auto& cu : debug.get_cus ())
@ -640,33 +641,42 @@ namespace rld
{ {
if (f.size () > 0 && f.has_machine_code ()) if (f.size () > 0 && f.has_machine_code ())
{ {
bool counted;
++total; ++total;
total_size += f.size (); total_size += f.size ();
if (f.is_inlined ()) switch (f.get_inlined ())
{ {
inlined_size += f.size (); case dwarf::function::inl_inline:
bool counted = false; case dwarf::function::inl_declared_inlined:
for (auto& c : counts) inlined_size += f.size ();
{ counted = false;
if (c.name == f.name ()) for (auto& c : counts)
{ {
++c.count; if (c.name == f.name ())
c.size += f.size (); {
counted = true; ++c.count;
break; c.size += f.size ();
counted = true;
break;
}
} }
} if (!counted)
if (!counted) counts.push_back (func_count (f.name (), f.size ()));
counts.push_back (func_count (f.name (), f.size ())); funcs_inlined.push_back (f);
funcs.push_back (f); break;
case dwarf::function::inl_declared_not_inlined:
funcs_not_inlined.push_back (f);
break;
default:
break;
} }
} }
} }
} }
std::cout << "inlined funcs : " << funcs.size () << std::endl std::cout << "inlined funcs : " << funcs_inlined.size () << std::endl
<< " total funcs : " << total << std::endl << " total funcs : " << total << std::endl
<< " % inline funcs : " << (funcs.size () * 100) / total << '%' << " % inline funcs : " << (funcs_inlined.size () * 100) / total << '%'
<< std::endl << std::endl
<< " total size : " << total_size << std::endl << " total size : " << total_size << std::endl
<< " inline size : " << inlined_size << std::endl << " inline size : " << inlined_size << std::endl
@ -686,21 +696,44 @@ namespace rld
<< std::setw (4) << c.count << ' ' << std::setw (4) << c.count << ' '
<< c.name << std::endl; << c.name << std::endl;
std::cout << std::endl << "inline funcs : " << std::endl;
dwarf::function_compare compare (dwarf::function_compare::fc_by_size); dwarf::function_compare compare (dwarf::function_compare::fc_by_size);
std::sort (funcs.begin (), funcs.end (), compare);
std::reverse (funcs.begin (), funcs.end ());
for (auto& f : funcs) std::sort (funcs_inlined.begin (), funcs_inlined.end (), compare);
std::reverse (funcs_inlined.begin (), funcs_inlined.end ());
std::cout << std::endl << "inline funcs : " << std::endl;
for (auto& f : funcs_inlined)
{ {
std::string flags;
std::cout << std::setw (6) << f.size () << ' ' std::cout << std::setw (6) << f.size () << ' '
<< (char) (f.is_external () ? 'E' : ' ') << (char) (f.is_external () ? 'E' : ' ')
<< (char) (f.get_inlined () == dwarf::function::inl_inline ? 'C' : ' ')
<< std::hex << std::setfill ('0') << std::hex << std::setfill ('0')
<< " 0x" << std::setw (8) << f.pc_low () << " 0x" << std::setw (8) << f.pc_low ()
<< std::dec << std::setfill (' ') << std::dec << std::setfill (' ')
<< ' ' << f.name () << ' ' << f.name ()
<< std::endl; << std::endl;
} }
if (funcs_not_inlined.size () > 0)
{
std::sort (funcs_not_inlined.begin (), funcs_not_inlined.end (), compare);
std::reverse (funcs_not_inlined.begin (), funcs_not_inlined.end ());
std::cout << std::endl << "inline funcs not inlined: " << std::endl;
for (auto& f : funcs_not_inlined)
{
std::cout << std::setw (6) << f.size () << ' '
<< (char) (f.is_external () ? 'E' : ' ')
<< (char) (f.get_inlined () == dwarf::function::inl_inline ? 'C' : ' ')
<< std::hex << std::setfill ('0')
<< " 0x" << std::setw (8) << f.pc_low ()
<< std::dec << std::setfill (' ')
<< ' ' << f.name ()
<< std::endl;
}
}
} }
void image::output_dwarf () void image::output_dwarf ()