gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gold / parameters.cc

diff --git a/gold/parameters.cc b/gold/parameters.cc
index 7fc5730ee732134382ed61a8afa6f73855dddcc4..d677044a079dbbde43a9dd90ad52d5557a6ff5e0 100644 (file)
--- a/gold/parameters.cc
+++ b/gold/parameters.cc
@@ -1,6 +1,6 @@
 // parameters.cc -- general parameters for a link using gold
 
-// Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2006-2020 Free Software Foundation, Inc.
 // Written by Ian Lance Taylor <iant@google.com>.
 
 // This file is part of gold.
@@ -125,8 +125,12 @@ Parameters::set_target_once(Target* target)
 {
   gold_assert(this->target_ == NULL);
   this->target_ = target;
+  target->select_as_default_target();
   if (this->options_valid())
-    this->check_target_endianness();
+    {
+      this->check_target_endianness();
+      this->check_rodata_segment();
+    }
 }
 
 // Clear the target, for testing.
@@ -212,23 +216,29 @@ Parameters::check_target_endianness()
          gold_assert(endianness == General_options::ENDIANNESS_LITTLE);
          big_endian = false;;
        }
-      
+
       if (this->target().is_big_endian() != big_endian)
        gold_error(_("input file does not match -EB/EL option"));
     }
 }
 
+void
+Parameters::check_rodata_segment()
+{
+  if (this->options().user_set_Trodata_segment()
+      && !this->options().rosegment()
+      && !this->target().isolate_execinstr())
+    gold_error(_("-Trodata-segment is meaningless without --rosegment"));
+}
+
 // Return the name of the entry symbol.
 
 const char*
 Parameters::entry() const
 {
   const char* ret = this->options().entry();
-  if (ret == NULL)
-    {
-      // FIXME: Need to support target specific entry symbol.
-      ret = "_start";
-    }
+  if (ret == NULL && parameters->target_valid())
+    ret = parameters->target().entry_symbol_name();
   return ret;
 }
 
@@ -288,7 +298,6 @@ void
 set_parameters_target(Target* target)
 {
   static_parameters.set_target(target);
-  target->select_as_default_target();
 }
 
 void
@@ -352,7 +361,8 @@ parameters_force_valid_target()
   else
     is_big_endian = GOLD_DEFAULT_BIG_ENDIAN;
 
-  Target* target = select_target(elfcpp::GOLD_DEFAULT_MACHINE,
+  Target* target = select_target(NULL, 0,
+                                elfcpp::GOLD_DEFAULT_MACHINE,
                                 GOLD_DEFAULT_SIZE,
                                 is_big_endian,
                                 elfcpp::GOLD_DEFAULT_OSABI,