Solaris PIE support

	include/elf:
	* common.h (DF_1_STUB, DF_1_PIE): Define.

	ld:
	* emulparams/solaris2.sh (GENERATE_PIE_SCRIPT): Set to yes.

	* emultempl/elf32.em: Include ldlex.h.
	(gld${EMULATION_NAME}_handle_option) [GENERATE_PIE_SCRIPT]
	<OPTION_PIE>: Set DF_1_PIE.

	binutils:
	* readelf.c (process_dynamic_section): Handle DF_1_STUB, DF_1_PIE.

Author: rorth

binutils/ChangeLog

@@ -1,3 +1,7 @@
+2015-09-22  Rainer Orth  <[email protected]>
+
+	* readelf.c (process_dynamic_section): Handle DF_1_STUB, DF_1_PIE.
+
 2015-09-10  Erik Ackermann  <[email protected]>
 
 	* strings.c: Add -s/--output-separator option to specify custom

binutils/readelf.c

@@ -9241,6 +9241,16 @@ process_dynamic_section (FILE * file)
 		      printf (" SINGLETON");
 		      val ^= DF_1_SINGLETON;
 		    }
+		  if (val & DF_1_STUB)
+		    {
+		      printf (" STUB");
+		      val ^= DF_1_STUB;
+		    }
+		  if (val & DF_1_PIE)
+		    {
+		      printf (" PIE");
+		      val ^= DF_1_PIE;
+		    }
 		  if (val != 0)
 		    printf (" %lx", val);
 		  puts ("");

include/elf/ChangeLog

@@ -1,3 +1,7 @@
+2015-09-22  Rainer Orth  <[email protected]>
+
+	* common.h (DF_1_STUB, DF_1_PIE): Define.
+
 2015-09-21  H.J. Lu  <[email protected]>
 
 	* external.h (Elf64_External_Chdr): Change ch_type to 4 bytes

include/elf/common.h

@@ -867,6 +867,8 @@
 #define	DF_1_SYMINTPOSE	0x00800000
 #define	DF_1_GLOBAUDIT	0x01000000
 #define	DF_1_SINGLETON	0x02000000
+#define	DF_1_STUB	0x04000000
+#define	DF_1_PIE	0x08000000
 
 /* Flag values for the DT_FLAGS entry.	*/
 #define DF_ORIGIN	(1 << 0)

ld/ChangeLog

@@ -1,3 +1,11 @@
+2015-09-22  Rainer Orth  <[email protected]>
+
+	* emulparams/solaris2.sh (GENERATE_PIE_SCRIPT): Set to yes.
+
+	* emultempl/elf32.em: Include ldlex.h.
+	(gld${EMULATION_NAME}_handle_option) [GENERATE_PIE_SCRIPT]
+	<OPTION_PIE>: Set DF_1_PIE.
+
 2015-09-22  Alan Modra  <[email protected]>
 
 	* ld.texinfo: Put --dotsyms/--no-dotsyms on separate lines.

ld/emulparams/solaris2.sh

@@ -8,3 +8,5 @@
 # File, p.63.
 TEXT_START_SYMBOLS='_START_ = .;'
 OTHER_END_SYMBOLS='_END_ = .;'
+# Beginning with Solaris 11.x and Solaris 12, there's PIE support.
+GENERATE_PIE_SCRIPT=yes

ld/emultempl/elf32.em

@@ -49,6 +49,7 @@ fragment <<EOF
 #include "ldmain.h"
 #include "ldmisc.h"
 #include "ldexp.h"
+#include "ldlex.h"
 #include "ldlang.h"
 #include "ldfile.h"
 #include "ldemul.h"
@@ -2289,6 +2290,13 @@ fragment <<EOF
 
 EOF
 fi
+if test x"$GENERATE_PIE_SCRIPT" = xyes; then
+fragment <<EOF
+    case OPTION_PIE:
+      link_info.flags_1 |= (bfd_vma) DF_1_PIE;
+      break;
+EOF
+fi
 fragment <<EOF
     case 'z':
       if (strcmp (optarg, "defs") == 0)