From: Ian Lance Taylor <ian@airs.com>
Date: Fri, 6 May 2011 14:57:58 +0000 (+0000)
Subject: 	* layout.cc (Layout::layout): If the output section flags change,
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5b7b7d6e05dc23db02e401ec9fdf6d38cacafc41;p=binutils-gdb.git

	* layout.cc (Layout::layout): If the output section flags change,
	update the ordering.
---

diff --git a/gold/ChangeLog b/gold/ChangeLog
index 94c19bc582f..f198b806cd9 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,8 @@
+2011-05-06  Ian Lance Taylor  <iant@google.com>
+
+	* layout.cc (Layout::layout): If the output section flags change,
+	update the ordering.
+
 2011-04-25 Cary Coutant  <ccoutant@google.com>
 
 	* incremental-dump.cc (dump_incremental_inputs): Print local
diff --git a/gold/layout.cc b/gold/layout.cc
index e3972040b6c..66d30d9ee80 100644
--- a/gold/layout.cc
+++ b/gold/layout.cc
@@ -944,8 +944,21 @@ Layout::layout(Sized_relobj<size, big_endian>* object, unsigned int shndx,
 
   // FIXME: Handle SHF_LINK_ORDER somewhere.
 
+  elfcpp::Elf_Xword orig_flags = os->flags();
+
   *off = os->add_input_section(this, object, shndx, name, shdr, reloc_shndx,
 			       this->script_options_->saw_sections_clause());
+
+  // If the flags changed, we may have to change the order.
+  if ((orig_flags & elfcpp::SHF_ALLOC) != 0)
+    {
+      orig_flags &= (elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR);
+      elfcpp::Elf_Xword new_flags =
+	os->flags() & (elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR);
+      if (orig_flags != new_flags)
+	os->set_order(this->default_section_order(os, false));
+    }
+
   this->have_added_input_section_ = true;
 
   return os;