From: Fangrui Song <i@maskray.me>
Date: Thu, 18 Jun 2020 09:46:18 +0000 (+0100)
Subject: [PATCH] gold: Set DF_1_PIE for -pie
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=9a17a136439c200b13a69d453f38824b7edc522c;p=deliverable%2Fbinutils-gdb.git

[PATCH] gold: Set DF_1_PIE for -pie

	PR gold/26039
	* layout.cc (Layout::finish_dynamic_section): Set DF_1_PIE.

	elfcpp/
	* elfcpp.h (enum DF_1): New enum member DF_1_PIE.
---

diff --git a/elfcpp/ChangeLog b/elfcpp/ChangeLog
index a0d1e0061e..dc37f65bab 100644
--- a/elfcpp/ChangeLog
+++ b/elfcpp/ChangeLog
@@ -1,3 +1,8 @@
+2020-06-18  Fangrui Song  <i@maskray.me>
+
+	PR gold/26039
+	* elfcpp.h (enum DF_1): New enum member DF_1_PIE.
+
 2020-06-06  Alan Modra  <amodra@gmail.com>
 
 	* powerpc.h: Rename
diff --git a/elfcpp/elfcpp.h b/elfcpp/elfcpp.h
index 339faadaf3..9c7c6294e4 100644
--- a/elfcpp/elfcpp.h
+++ b/elfcpp/elfcpp.h
@@ -913,7 +913,8 @@ enum DF_1
   DF_1_INTERPOSE = 0x400,
   DF_1_NODEFLIB = 0x800,
   DF_1_NODUMP = 0x1000,
-  DF_1_CONLFAT = 0x2000
+  DF_1_CONLFAT = 0x2000,
+  DF_1_PIE = 0x08000000
 };
 
 // Version numbers which appear in the vd_version field of a Verdef
diff --git a/gold/ChangeLog b/gold/ChangeLog
index d429e9debb..f4679f9a64 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,8 @@
+2020-06-18  Fangrui Song  <i@maskray.me>
+
+	PR gold/26039
+	* layout.cc (Layout::finish_dynamic_section): Set DF_1_PIE.
+
 2020-06-16  Alan Modra  <amodra@gmail.com>
 
 	* testsuite/discard_locals_test.c: Replace uses of asm with __asm__.
diff --git a/gold/layout.cc b/gold/layout.cc
index b3b0c5701d..0c7be85240 100644
--- a/gold/layout.cc
+++ b/gold/layout.cc
@@ -5352,6 +5352,8 @@ Layout::finish_dynamic_section(const Input_objects* input_objects,
     flags |= elfcpp::DF_1_NOW;
   if (parameters->options().Bgroup())
     flags |= elfcpp::DF_1_GROUP;
+  if (parameters->options().pie())
+    flags |= elfcpp::DF_1_PIE;
   if (flags != 0)
     odyn->add_constant(elfcpp::DT_FLAGS_1, flags);
 }