From b40add6092b6724f984dd2935e9d2ae72ffef681 Mon Sep 17 00:00:00 2001
From: Rui Ueyama <ruiu@cs.stanford.edu>
Date: Thu, 5 Nov 2020 13:05:27 +0900
Subject: [PATCH] temporary

---
 mold.h         |  5 +++--
 object_file.cc | 18 ++++++++++++------
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/mold.h b/mold.h
index 78063609..c90969f1 100644
--- a/mold.h
+++ b/mold.h
@@ -151,8 +151,8 @@ class Symbol {
 public:
   Symbol(StringRef name, ObjectFile *file = nullptr)
     : name(name), file(file), needs_got(false), needs_gottp(false),
-      needs_plt(false), is_dso(false), is_weak(false), is_undef_weak(false),
-      traced(false) {}
+      needs_plt(false), is_placeholder(false), is_dso(false), is_weak(false),
+      is_undef_weak(false), traced(false) {}
 
   Symbol(const Symbol &other) : Symbol(other.name, other.file) {}
 
@@ -178,6 +178,7 @@ public:
   u8 needs_got : 1;
   u8 needs_gottp : 1;
   u8 needs_plt : 1;
+  u8 is_placeholder : 1;
   u8 is_dso : 1;
   u8 is_weak : 1;
   u8 is_undef_weak : 1;
diff --git a/object_file.cc b/object_file.cc
index d7cbd92e..96cb8fa4 100644
--- a/object_file.cc
+++ b/object_file.cc
@@ -205,6 +205,18 @@ void ObjectFile::parse() {
 
   if (symtab_sec)
     initialize_symbols();
+
+  if (Counter::enabled) {
+    static Counter defined("defined_syms");
+    static Counter undefined("undefined_syms");
+
+    for (const ELF64LE::Sym &esym : elf_syms) {
+      if (esym.isDefined())
+        defined.inc();
+      else
+        undefined.inc();
+    }
+  }
 }
 
 void ObjectFile::resolve_symbols() {
@@ -215,9 +227,6 @@ void ObjectFile::resolve_symbols() {
 
     Symbol &sym = *symbols[i];
 
-    static Counter counter("defined_syms");
-    counter.inc();
-
     InputSection *isec = nullptr;
     if (!esym.isAbsolute() && !esym.isCommon())
       isec = sections[esym.st_shndx];
@@ -268,9 +277,6 @@ ObjectFile::mark_live_archive_members(tbb::parallel_do_feeder<ObjectFile *> &fee
         sym.file->is_in_archive && !sym.file->is_alive) {
       feeder.add(sym.file);
 
-      static Counter counter("undefined_syms");
-      counter.inc();
-
       if (UNLIKELY(sym.traced))
         llvm::outs() << "trace: " << toString(this) << " keeps "
                      << toString(sym.file) << " for " << sym.name << "\n";