* configure.in (HAVE_LD_PIE): Check for ld -pie.

	* config.in: Rebuilt.
	* configure: Rebuilt.
	* toplev.c (flag_pie, flag_shlib): New variables.
	(f_options): Add -fpie and -fPIE.
	(parse_options_and_default_flags): Set flag_pic if -fpie/-fPIE.
	Set flag_shlib if flag_pic and not -fpie/-fPIE.
	* flags.h (flag_pic, flag_shlib): Add.
	* varasm.c (default_binds_local_p): Use flag_shlib instead of
	flag_pic.
	* gcc.c (LINK_PIE_SPEC): Define.
	(LINK_COMMAND_SPEC): Use LINK_PIE_SPEC.
	(option_map): Add --pie -> -pie mapping.
	* config/sol2.h (ASM_SPEC): Handle -fpie the same way as -fpic
	and -fPIE the same way as -fPIC.
	* config/openbsd.h (ASM_SPEC): Likewise.
	* config/frv/frv.h (ASM_SPEC): Likewise.
	* config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Likewise.
	* config/arm/semi.h (ASM_SPEC): Likewise.
	* config/arm/netbsd-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
	* config/freebsd-spec.h (FBSD_CPP_SPEC): Likewise.
	* config/i386/beos-elf.h (CC1_SPEC): Likewise.
	* config/i386/freebsd-aout.h (ASM_SPEC): Likewise.
	* config/m68k/linux.h (CPP_SPEC): Likewise.
	* config/m68k/netbsd.h (ASM_SPEC): Likewise.
	* config/m68k/openbsd.h (ASM_SPEC): Likewise.
	* config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
	* config/mips/linux.h (SUBTARGET_CPP_SPEC): Likewise.
	* config/mips/openbsd.h (SUBTARGET_ASM_SPEC): Likewise.
	* config/pa/pa-linux.h (CPP_SPEC): Likewise.
	* config/netbsd-aout.h (ASM_SPEC): Likewise.
	* config/rs6000/sysv4.h (ASM_SPEC, CPP_SYSV_SPEC): Likewise.
	* config/rs6000/vxworks.h (CPP_SPEC): Likewise.
	* config/sparc/linux.h (CPP_SUBTARGET_SPEC, ASM_SPEC): Likewise.
	* config/sparc/linux64.h (CPP_SUBTARGET_SPEC, ASM_SPEC): Likewise.
	* config/sparc/sparc.h (ASM_SPEC): Likewise.
	* config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
	* config/sparc/sysv4.h (ASM_SPEC): Likewise.
	* config/sparc/netbsd-elf.h (ASM_SPEC): Likewise.
	* config/sparc/openbsd64.h (ASM_SPEC): Likewise.
	* config/cris/linux.h (CRIS_ASM_SUBTARGET_SPEC): Likewise.
	* config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Handle -pie.
	Simplify.
	* config/alpha/elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* config/i386/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* config/ia64/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* config/rs6000/sysv4.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* config/rs6000/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* config/sparc/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* config/sparc/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* doc/invoke.texi: Document -pie, -fpie and -fPIE options.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@67359 138bc75d-0d04-0410-961f-82ee72b054a4

41 files changed, 251 insertions, 90 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b628ed0649f..30b502ddb3a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,59 @@
 2003-06-03  Jakub Jelinek  <jakub@redhat.com>
 
+	* configure.in (HAVE_LD_PIE): Check for ld -pie.
+	* config.in: Rebuilt.
+	* configure: Rebuilt.
+	* toplev.c (flag_pie, flag_shlib): New variables.
+	(f_options): Add -fpie and -fPIE.
+	(parse_options_and_default_flags): Set flag_pic if -fpie/-fPIE.
+	Set flag_shlib if flag_pic and not -fpie/-fPIE.
+	* flags.h (flag_pic, flag_shlib): Add.
+	* varasm.c (default_binds_local_p): Use flag_shlib instead of
+	flag_pic.
+	* gcc.c (LINK_PIE_SPEC): Define.
+	(LINK_COMMAND_SPEC): Use LINK_PIE_SPEC.
+	(option_map): Add --pie -> -pie mapping.
+	* config/sol2.h (ASM_SPEC): Handle -fpie the same way as -fpic
+	and -fPIE the same way as -fPIC.
+	* config/openbsd.h (ASM_SPEC): Likewise.
+	* config/frv/frv.h (ASM_SPEC): Likewise.
+	* config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Likewise.
+	* config/arm/semi.h (ASM_SPEC): Likewise.
+	* config/arm/netbsd-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
+	* config/freebsd-spec.h (FBSD_CPP_SPEC): Likewise.
+	* config/i386/beos-elf.h (CC1_SPEC): Likewise.
+	* config/i386/freebsd-aout.h (ASM_SPEC): Likewise.
+	* config/m68k/linux.h (CPP_SPEC): Likewise.
+	* config/m68k/netbsd.h (ASM_SPEC): Likewise.
+	* config/m68k/openbsd.h (ASM_SPEC): Likewise.
+	* config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
+	* config/mips/linux.h (SUBTARGET_CPP_SPEC): Likewise.
+	* config/mips/openbsd.h (SUBTARGET_ASM_SPEC): Likewise.
+	* config/pa/pa-linux.h (CPP_SPEC): Likewise.
+	* config/netbsd-aout.h (ASM_SPEC): Likewise.
+	* config/rs6000/sysv4.h (ASM_SPEC, CPP_SYSV_SPEC): Likewise.
+	* config/rs6000/vxworks.h (CPP_SPEC): Likewise.
+	* config/sparc/linux.h (CPP_SUBTARGET_SPEC, ASM_SPEC): Likewise.
+	* config/sparc/linux64.h (CPP_SUBTARGET_SPEC, ASM_SPEC): Likewise.
+	* config/sparc/sparc.h (ASM_SPEC): Likewise.
+	* config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
+	* config/sparc/sysv4.h (ASM_SPEC): Likewise.
+	* config/sparc/netbsd-elf.h (ASM_SPEC): Likewise.
+	* config/sparc/openbsd64.h (ASM_SPEC): Likewise.
+	* config/cris/linux.h (CRIS_ASM_SUBTARGET_SPEC): Likewise.
+	* config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Handle -pie.
+	Simplify.
+	* config/alpha/elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
+	* config/i386/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
+	* config/ia64/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
+	* config/rs6000/sysv4.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
+	* config/rs6000/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
+	* config/sparc/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
+	* config/sparc/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
+	* doc/invoke.texi: Document -pie, -fpie and -fPIE options.
+
+2003-06-03  Jakub Jelinek  <jakub@redhat.com>
+
 	* builtins.c (expand_builtin_memcpy): Remove endp argument and endp
 	!= 0 handling.  Pass 0 to store_by_pieces.
 	(expand_builtin_mempcpy): Add endp argument.  Don't call
diff --git a/gcc/config.in b/gcc/config.in
index ccaad9ee7b0..dca4a1bd656 100644
--- a/gcc/config.in
+++ b/gcc/config.in
@@ -631,6 +631,9 @@
 /* Define if your linker supports --eh-frame-hdr option. */
 #undef HAVE_LD_EH_FRAME_HDR
 
+/* Define if your linker supports -pie option. */
+#undef HAVE_LD_PIE
+
 /* Define if your MIPS libgloss linker scripts consistently include STARTUP directives. */
 #undef HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES
 
diff --git a/gcc/config/alpha/elf.h b/gcc/config/alpha/elf.h
index 3ca8d6c7478..abdb92af501 100644
--- a/gcc/config/alpha/elf.h
+++ b/gcc/config/alpha/elf.h
@@ -413,11 +413,15 @@ void FN ()					\
    before entering `main'.   */
 
 #undef	STARTFILE_SPEC
+#ifdef HAVE_LD_PIE
 #define STARTFILE_SPEC \
-  "%{!shared: \
-     %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
-   crti.o%s %{static:crtbeginT.o%s}\
-   %{!static:%{shared:crtbeginS.o%s}%{!shared:crtbegin.o%s}}"
+  "%{!shared: %{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
+   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#else
+#define STARTFILE_SPEC \
+  "%{!shared: %{pg|p:gcrt1.o%s;:crt1.o%s}}\
+   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#endif
 
 /* Provide a ENDFILE_SPEC appropriate for ELF.  Here we tack on the
    magical crtend.o file which provides part of the support for
@@ -427,7 +431,7 @@ void FN ()					\
 #undef	ENDFILE_SPEC
 #define ENDFILE_SPEC \
   "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
-   %{shared:crtendS.o%s}%{!shared:crtend.o%s} crtn.o%s"
+   %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
 
 /* We support #pragma.  */
 #define HANDLE_SYSV_PRAGMA 1
diff --git a/gcc/config/arm/linux-gas.h b/gcc/config/arm/linux-gas.h
index 37d788aeb9a..f3ed5f88670 100644
--- a/gcc/config/arm/linux-gas.h
+++ b/gcc/config/arm/linux-gas.h
@@ -31,7 +31,7 @@
 #define DEFAULT_SIGNED_CHAR 0
 
 #undef  SUBTARGET_CPP_SPEC
-#define SUBTARGET_CPP_SPEC  "%{posix:-D_POSIX_SOURCE} %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__}"
+#define SUBTARGET_CPP_SPEC  "%{posix:-D_POSIX_SOURCE} %{fPIC|fPIE:-D__PIC__ -D__pic__} %{fpic|fpie:-D__PIC__ -D__pic__}"
 
 #undef  SIZE_TYPE
 #define SIZE_TYPE "unsigned int"
diff --git a/gcc/config/arm/netbsd-elf.h b/gcc/config/arm/netbsd-elf.h
index 1e4c9301fca..91ba9cd445c 100644
--- a/gcc/config/arm/netbsd-elf.h
+++ b/gcc/config/arm/netbsd-elf.h
@@ -59,7 +59,7 @@
 
 #undef SUBTARGET_EXTRA_ASM_SPEC
 #define SUBTARGET_EXTRA_ASM_SPEC	\
-  "-matpcs %{fpic:-k} %{fPIC:-k}"
+  "-matpcs %{fpic|fpie:-k} %{fPIC|fPIE:-k}"
 
 /* Default floating point model is soft-VFP.
    FIXME: -mhard-float currently implies FPA.  */
diff --git a/gcc/config/arm/semi.h b/gcc/config/arm/semi.h
index a7addee574e..8847f8c2369 100644
--- a/gcc/config/arm/semi.h
+++ b/gcc/config/arm/semi.h
@@ -59,7 +59,7 @@
    binutils can't.  */
 #ifndef ASM_SPEC
 #define ASM_SPEC "\
-%{fpic: -k} %{fPIC: -k} \
+%{fpic|fpie: -k} %{fPIC|fPIE: -k} \
 %{mbig-endian:-EB} \
 %{mcpu=*:-mcpu=%*} \
 %{march=*:-march=%*} \
diff --git a/gcc/config/cris/linux.h b/gcc/config/cris/linux.h
index 6893d7f39b1..288c2856ee6 100644
--- a/gcc/config/cris/linux.h
+++ b/gcc/config/cris/linux.h
@@ -60,7 +60,7 @@ Boston, MA 02111-1307, USA.  */
 #define CRIS_ASM_SUBTARGET_SPEC \
  "--em=criself\
   %{!fleading-underscore:--no-underscore}\
-  %{fPIC|fpic: --pic}"
+  %{fPIC|fpic|fPIE|fpie: --pic}"
 
 /* Provide a legacy -mlinux option.  */
 #undef CRIS_SUBTARGET_SWITCHES
diff --git a/gcc/config/freebsd-spec.h b/gcc/config/freebsd-spec.h
index b71a2024d33..2f4261b6aba 100644
--- a/gcc/config/freebsd-spec.h
+++ b/gcc/config/freebsd-spec.h
@@ -78,7 +78,7 @@ Boston, MA 02111-1307, USA.  */
 
 #define FBSD_CPP_SPEC "							\
   %(cpp_cpu)								\
-  %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__}		\
+  %{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__}				\
   %{posix:-D_POSIX_SOURCE}"
 
 /* Provide a STARTFILE_SPEC appropriate for FreeBSD.  Here we add
diff --git a/gcc/config/frv/frv.h b/gcc/config/frv/frv.h
index f7d46c0ab80..4adcabae828 100644
--- a/gcc/config/frv/frv.h
+++ b/gcc/config/frv/frv.h
@@ -86,7 +86,7 @@
     %{mmedia} %{mno-media} \
     %{mmuladd} %{mno-muladd} \
     %{mpack} %{mno-pack} \
-    %{fpic: -mpic} %{fPIC: -mPIC} %{mlibrary-pic}}"
+    %{fpic|fpie: -mpic} %{fPIC|fPIE: -mPIC} %{mlibrary-pic}}"
 
 /* Another C string constant used much like `LINK_SPEC'.  The difference
    between the two is that `STARTFILE_SPEC' is used at the very beginning of
diff --git a/gcc/config/i386/beos-elf.h b/gcc/config/i386/beos-elf.h
index d36975606c6..075e16aefd5 100644
--- a/gcc/config/i386/beos-elf.h
+++ b/gcc/config/i386/beos-elf.h
@@ -78,7 +78,7 @@ Boston, MA 02111-1307, USA.  */
    CC1_SPEC is used for both cc1 and cc1plus.  */
 
 #undef CC1_SPEC
-#define CC1_SPEC "%{!no-fpic:%{!fPIC:-fpic}} %{!Wmultichar: -Wno-multichar} %(cc1_cpu) %{profile:-p}"
+#define CC1_SPEC "%{!no-fpic:%{!fno-pic:%{!fno-pie:%{!fpie:%{!fPIC:%{!fPIE:-fpic}}}}}} %{!Wmultichar: -Wno-multichar} %(cc1_cpu) %{profile:-p}"
 
 #undef CC1PLUS_SPEC
 #define CC1PLUS_SPEC "%{!Wctor-dtor-privacy:-Wno-ctor-dtor-privacy}"
diff --git a/gcc/config/i386/freebsd-aout.h b/gcc/config/i386/freebsd-aout.h
index 48fea7fb64c..da3202da451 100644
--- a/gcc/config/i386/freebsd-aout.h
+++ b/gcc/config/i386/freebsd-aout.h
@@ -210,7 +210,7 @@ do {                                                                    \
   } while (0)
 
 #define AS_NEEDS_DASH_FOR_PIPED_INPUT
-#define ASM_SPEC   "%{fpic:-k} %{fPIC:-k}"
+#define ASM_SPEC   "%{fpic|fpie|fPIC|fPIE:-k}"
 #define LINK_SPEC \
   "%{p:%e`-p' not supported; use `-pg' and gprof(1)} \
    %{shared:-Bshareable} \
diff --git a/gcc/config/i386/linux64.h b/gcc/config/i386/linux64.h
index 591e10df34b..575cbee10cc 100644
--- a/gcc/config/i386/linux64.h
+++ b/gcc/config/i386/linux64.h
@@ -65,17 +65,6 @@ Boston, MA 02111-1307, USA.  */
       %{!m32:%{!dynamic-linker:-dynamic-linker /lib64/ld-linux-x86-64.so.2}}} \
     %{static:-static}}"
 
-#undef  STARTFILE_SPEC
-#define STARTFILE_SPEC \
-  "%{!shared: \
-     %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
-     %{!p:%{profile:gcrt1.o%s} %{!profile:crt1.o%s}}}} \
-   crti.o%s %{static:crtbeginT.o%s} \
-   %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
-
-#undef  ENDFILE_SPEC
-#define ENDFILE_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
-
 #define MULTILIB_DEFAULTS { "m64" }
 
 /* Do code reading to identify a signal frame, and set the frame
diff --git a/gcc/config/ia64/linux.h b/gcc/config/ia64/linux.h
index e1d60f7d8c4..c24c70c8d5a 100644
--- a/gcc/config/ia64/linux.h
+++ b/gcc/config/ia64/linux.h
@@ -21,18 +21,21 @@ do {						\
 
 /* Need to override linux.h STARTFILE_SPEC, since it has crtbeginT.o in.  */
 #undef STARTFILE_SPEC
+#ifdef HAVE_LD_PIE
 #define STARTFILE_SPEC \
-  "%{!shared: \
-     %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
-		       %{!p:%{profile:gcrt1.o%s} \
-			 %{!profile:crt1.o%s}}}} \
-   crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+  "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
+   crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#else
+#define STARTFILE_SPEC \
+  "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}}\
+   crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#endif
 
 /* Similar to standard Linux, but adding -ffast-math support.  */
 #undef  ENDFILE_SPEC
 #define ENDFILE_SPEC \
   "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
-   %{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
+   %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
 
 /* Define this for shared library support because it isn't in the main
    linux.h file.  */
diff --git a/gcc/config/linux.h b/gcc/config/linux.h
index 13f5b627dca..ea322b36d85 100644
--- a/gcc/config/linux.h
+++ b/gcc/config/linux.h
@@ -53,14 +53,14 @@ Boston, MA 02111-1307, USA.  */
 		       %{!p:%{profile:gcrt1.o%s} \
 			 %{!profile:crt1.o%s}}}} \
    crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+#elif defined HAVE_LD_PIE
+#define STARTFILE_SPEC \
+  "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
+   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
 #else
 #define STARTFILE_SPEC \
-  "%{!shared: \
-     %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
-		       %{!p:%{profile:gcrt1.o%s} \
-			 %{!profile:crt1.o%s}}}} \
-   crti.o%s %{static:crtbeginT.o%s}\
-   %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
+  "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
+   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
 #endif
 
 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux.  Here we tack on
@@ -71,7 +71,7 @@ Boston, MA 02111-1307, USA.  */
 
 #undef	ENDFILE_SPEC
 #define ENDFILE_SPEC \
-  "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
+  "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
 
 /* This is for -profile to use -lc_p instead of -lc.  */
 #ifndef CC1_SPEC
diff --git a/gcc/config/m68k/linux.h b/gcc/config/m68k/linux.h
index 5b8bbd24886..9e81a0a8109 100644
--- a/gcc/config/m68k/linux.h
+++ b/gcc/config/m68k/linux.h
@@ -121,10 +121,10 @@ Boston, MA 02111-1307, USA.  */
 #undef CPP_SPEC
 #if TARGET_DEFAULT & MASK_68881
 #define CPP_SPEC \
-  "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{!msoft-float:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
+  "%{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} %{!msoft-float:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
 #else
 #define CPP_SPEC \
-  "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{m68881:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
+  "%{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} %{m68881:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
 #endif
 
 /* We override the ASM_SPEC from svr4.h because we must pass -m68040 down
diff --git a/gcc/config/m68k/netbsd-elf.h b/gcc/config/m68k/netbsd-elf.h
index 2d24d4a602e..0787c6accd6 100644
--- a/gcc/config/m68k/netbsd-elf.h
+++ b/gcc/config/m68k/netbsd-elf.h
@@ -105,7 +105,7 @@ Boston, MA 02111-1307, USA.  */
 #define ASM_SPEC \
   "%(asm_default_spec) \
     %{m68010} %{m68020} %{m68030} %{m68040} %{m68060} \
-    %{fpic:-k} %{fPIC:-k -K}"
+    %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
 
 #define AS_NEEDS_DASH_FOR_PIPED_INPUT
 
diff --git a/gcc/config/m68k/netbsd.h b/gcc/config/m68k/netbsd.h
index 69a88afe0d5..382adc0fa17 100644
--- a/gcc/config/m68k/netbsd.h
+++ b/gcc/config/m68k/netbsd.h
@@ -31,7 +31,7 @@
   "%{!msoft-float:-D__HAVE_68881__ -D__HAVE_FPU__} %(netbsd_cpp_spec)"
 
 #undef ASM_SPEC
-#define ASM_SPEC "%{m68030} %{m68040} %{m68060} %{fpic:-k} %{fPIC:-k -K}"
+#define ASM_SPEC "%{m68030} %{m68040} %{m68060} %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
 
 #define AS_NEEDS_DASH_FOR_PIPED_INPUT
 
diff --git a/gcc/config/m68k/openbsd.h b/gcc/config/m68k/openbsd.h
index be185dbdc86..48e9eb91e1d 100644
--- a/gcc/config/m68k/openbsd.h
+++ b/gcc/config/m68k/openbsd.h
@@ -46,7 +46,7 @@ Boston, MA 02111-1307, USA.  */
 
 /* m68k as needs to know about the processor subtype.  */
 #undef ASM_SPEC
-#define ASM_SPEC "%{m68030} %{m68040} %{m68060} %{fpic:-k} %{fPIC:-k -K}"
+#define ASM_SPEC "%{m68030} %{m68040} %{m68060} %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
 
 #define AS_NEEDS_DASH_FOR_PIPED_INPUT
 
diff --git a/gcc/config/mips/linux.h b/gcc/config/mips/linux.h
index 8f81bc4497a..9986fa312f8 100644
--- a/gcc/config/mips/linux.h
+++ b/gcc/config/mips/linux.h
@@ -163,7 +163,7 @@ void FN ()							\
 #undef  SUBTARGET_CPP_SPEC
 #define SUBTARGET_CPP_SPEC "\
 %{fno-PIC:-U__PIC__ -U__pic__} %{fno-pic:-U__PIC__ -U__pic__} \
-%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \
+%{fPIC|fPIE|fpic|fpie:-D__PIC__ -D__pic__} \
 %{pthread:-D_REENTRANT}"
 
 /* From iris5.h */
diff --git a/gcc/config/mips/openbsd.h b/gcc/config/mips/openbsd.h
index 73a81926be4..8b1c124cf8e 100644
--- a/gcc/config/mips/openbsd.h
+++ b/gcc/config/mips/openbsd.h
@@ -21,7 +21,7 @@ Boston, MA 02111-1307, USA.  */
 /* Definitions needed for OpenBSD, to avoid picking mips 'defaults'.  */
 
 /* GAS must know this.  */
-#define SUBTARGET_ASM_SPEC "%{fPIC:-KPIC}"
+#define SUBTARGET_ASM_SPEC "%{fPIC|fPIE:-KPIC}"
 
 #define AS_NEEDS_DASH_FOR_PIPED_INPUT
 
diff --git a/gcc/config/netbsd-aout.h b/gcc/config/netbsd-aout.h
index f7eb1bf1449..f77fc2e2d9b 100644
--- a/gcc/config/netbsd-aout.h
+++ b/gcc/config/netbsd-aout.h
@@ -39,7 +39,7 @@ Boston, MA 02111-1307, USA.  */
    with the options for generating PIC code.  */
 
 #undef ASM_SPEC
-#define ASM_SPEC "%{fpic:-k} %{fPIC:-k -K}"
+#define ASM_SPEC "%{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
 
 #define AS_NEEDS_DASH_FOR_PIPED_INPUT
 
diff --git a/gcc/config/openbsd.h b/gcc/config/openbsd.h
index 7eeb8fef06f..00f645dd980 100644
--- a/gcc/config/openbsd.h
+++ b/gcc/config/openbsd.h
@@ -106,7 +106,7 @@ Boston, MA 02111-1307, USA.  */
    still uses a special flavor of gas that needs to be told when generating 
    pic code.  */
 #undef ASM_SPEC
-#define ASM_SPEC "%{fpic:-k} %{fPIC:-k -K}"
+#define ASM_SPEC "%{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
 #endif
 
 /* Since we use gas, stdin -> - is a good idea.  */
diff --git a/gcc/config/pa/pa-linux.h b/gcc/config/pa/pa-linux.h
index 1c8266af57a..fa20da08ed5 100644
--- a/gcc/config/pa/pa-linux.h
+++ b/gcc/config/pa/pa-linux.h
@@ -66,7 +66,7 @@ Boston, MA 02111-1307, USA.  */
   while (0)
 
 #undef CPP_SPEC
-#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
+#define CPP_SPEC "%{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
 
 #undef	LIB_SPEC
 #define LIB_SPEC \
diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h
index bd3a6a85b18..5a31366dbf2 100644
--- a/gcc/config/rs6000/linux64.h
+++ b/gcc/config/rs6000/linux64.h
@@ -215,14 +215,19 @@
 #endif
 
 #undef  STARTFILE_LINUX_SPEC
+#ifdef HAVE_LD_PIE
 #define STARTFILE_LINUX_SPEC "\
-%{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} crti.o%s \
-%{static:crtbeginT.o%s} \
-%{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
+%{!shared: %{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} crti.o%s \
+%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#else
+#define STARTFILE_LINUX_SPEC "\
+%{!shared: %{pg|p:gcrt1.o%s;:crt1.o%s}} crti.o%s \
+%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#endif
 
 #undef  ENDFILE_LINUX_SPEC
 #define ENDFILE_LINUX_SPEC "\
-%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
+%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
 
 #undef  TOC_SECTION_ASM_OP
 #define TOC_SECTION_ASM_OP "\t.section\t\".toc\",\"aw\""
diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h
index d266c283cca..d91dd3d8915 100644
--- a/gcc/config/rs6000/sysv4.h
+++ b/gcc/config/rs6000/sysv4.h
@@ -810,7 +810,7 @@ extern int fixuplabelno;
 #define	ASM_SPEC "%(asm_cpu) \
 %{.s: %{mregnames} %{mno-regnames}} %{.S: %{mregnames} %{mno-regnames}} \
 %{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
-%{mrelocatable} %{mrelocatable-lib} %{fpic:-K PIC} %{fPIC:-K PIC} \
+%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
 %{memb|msdata|msdata=eabi: -memb} \
 %{mlittle|mlittle-endian:-mlittle; \
   mbig|mbig-endian      :-mbig;    \
@@ -947,8 +947,8 @@ extern int fixuplabelno;
 
 #define CPP_SYSV_SPEC \
 "%{mrelocatable*: -D_RELOCATABLE} \
-%{fpic: -D__PIC__=1 -D__pic__=1} \
-%{!fpic: %{fPIC: -D__PIC__=2 -D__pic__=2}}"
+%{fpic|fpie: -D__PIC__=1 -D__pic__=1} \
+%{!fpic: %{fPIC|fPIE: -D__PIC__=2 -D__pic__=2}}"
 
 /* Override rs6000.h definition.  */
 #undef	CPP_SPEC
@@ -1107,12 +1107,16 @@ extern int fixuplabelno;
 %{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
 %{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+#elif defined HAVE_LD_PIE
+#define	STARTFILE_LINUX_SPEC "\
+%{!shared: %{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
+%{mnewlib:ecrti.o%s;:crti.o%s} \
+%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
 #else
 #define	STARTFILE_LINUX_SPEC "\
-%{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
-%{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
-%{static:crtbeginT.o%s} \
-%{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
+%{!shared: %{pg|p:gcrt1.o%s;:crt1.o%s}} \
+%{mnewlib:ecrti.o%s;:crti.o%s} \
+%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
 #endif
 
 #define	ENDFILE_LINUX_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
diff --git a/gcc/config/rs6000/vxworks.h b/gcc/config/rs6000/vxworks.h
index 6a5c7e98e98..e7a70922e7a 100644
--- a/gcc/config/rs6000/vxworks.h
+++ b/gcc/config/rs6000/vxworks.h
@@ -48,8 +48,8 @@
    t860: -DCPU=PPC860 -D_SOFT_FLOAT ; \
        : -DCPU=PPC604}  \
  %{!msoft-float:-D__hardfp}	   \
- %{fpic: -D__PIC__=1 -D__pic__=1 ; \
-   fPIC: -D__PIC__=2 -D__pic__=2 } \
+ %{fpic|fpie: -D__PIC__=1 -D__pic__=1 ; \
+   fPIC|fPIE: -D__PIC__=2 -D__pic__=2 } \
  %(cpp_cpu)"
 
 #define CC1_SPEC \
diff --git a/gcc/config/sol2.h b/gcc/config/sol2.h
index 8dfe8e73a67..92353cff87e 100644
--- a/gcc/config/sol2.h
+++ b/gcc/config/sol2.h
@@ -81,7 +81,7 @@ Boston, MA 02111-1307, USA.  */
 #undef ASM_SPEC
 #define ASM_SPEC "\
 %{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
-%{fpic:-K PIC} %{fPIC:-K PIC} \
+%{fpic|fpie|fPIC|fPIE:-K PIC} \
 %(asm_cpu) \
 "
 
diff --git a/gcc/config/sparc/linux.h b/gcc/config/sparc/linux.h
index 23f5892dd19..63ce3b95e68 100644
--- a/gcc/config/sparc/linux.h
+++ b/gcc/config/sparc/linux.h
@@ -57,12 +57,14 @@ Boston, MA 02111-1307, USA.  */
   "%{!shared: \
      %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
    crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+#elif defined HAVE_LD_PIE
+#define STARTFILE_SPEC \
+  "%{!shared: %{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
+   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
 #else
 #define STARTFILE_SPEC \
-  "%{!shared: \
-     %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
-   crti.o%s %{static:crtbeginT.o%s}\
-   %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
+  "%{!shared: %{pg|p:gcrt1.o%s;:crt1.o%s}}\
+   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
 #endif
 
 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux.  Here we tack on
@@ -74,7 +76,7 @@ Boston, MA 02111-1307, USA.  */
 #undef  ENDFILE_SPEC
 #define ENDFILE_SPEC \
   "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
-   %{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
+   %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
 
 /* This is for -profile to use -lc_p instead of -lc.  */
 #undef	CC1_SPEC
@@ -112,11 +114,11 @@ Boston, MA 02111-1307, USA.  */
 #undef CPP_SUBTARGET_SPEC
 #ifdef USE_GNULIBC_1
 #define CPP_SUBTARGET_SPEC \
-"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} \
+"%{fPIC|fPIE|fpic|fpie:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} \
 %{mlong-double-128:-D__LONG_DOUBLE_128__}"
 #else
 #define CPP_SUBTARGET_SPEC \
-"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} \
+"%{fPIC|fPIE|fpic|fpie:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} \
 %{pthread:-D_REENTRANT} %{mlong-double-128:-D__LONG_DOUBLE_128__}"
 #endif
 
@@ -192,8 +194,8 @@ Boston, MA 02111-1307, USA.  */
    It's safe to pass -s always, even if -g is not used.  */
 #undef ASM_SPEC
 #define ASM_SPEC \
-  "%{V} %{v:%{!V:-V}} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s %{fpic:-K PIC} \
-   %{fPIC:-K PIC} %(asm_cpu) %(asm_relax)"
+  "%{V} %{v:%{!V:-V}} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
+   %{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu) %(asm_relax)"
 
 /* Same as sparc.h */
 #undef DBX_REGISTER_NUMBER
diff --git a/gcc/config/sparc/linux64.h b/gcc/config/sparc/linux64.h
index aed067d9eac..ecdd5204ee6 100644
--- a/gcc/config/sparc/linux64.h
+++ b/gcc/config/sparc/linux64.h
@@ -66,10 +66,15 @@ Boston, MA 02111-1307, USA.  */
    
 #undef  STARTFILE_SPEC
 
+#ifdef HAVE_LD_PIE
 #define STARTFILE_SPEC \
-  "%{!shared:%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
-   crti.o%s %{static:crtbeginT.o%s}\
-   %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
+  "%{!shared:%{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
+   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbeginS.o%s}"
+#else
+#define STARTFILE_SPEC \
+  "%{!shared:%{pg|p:gcrt1.o%s;:crt1.o%s}}\
+   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbeginS.o%s}"
+#endif
 
 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux.  Here we tack on
    the GNU/Linux magical crtend.o file (see crtstuff.c) which
@@ -80,7 +85,7 @@ Boston, MA 02111-1307, USA.  */
 #undef  ENDFILE_SPEC
 
 #define ENDFILE_SPEC \
-  "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s\
+  "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\
    %{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
 
 /* The GNU C++ standard library requires that these macros be defined.  */
@@ -124,8 +129,7 @@ Boston, MA 02111-1307, USA.  */
 
 #undef CPP_SUBTARGET_SPEC
 #define CPP_SUBTARGET_SPEC "\
-%{fPIC:-D__PIC__ -D__pic__} \
-%{fpic:-D__PIC__ -D__pic__} \
+%{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} \
 %{posix:-D_POSIX_SOURCE} \
 %{pthread:-D_REENTRANT} \
 "
@@ -254,7 +258,7 @@ Boston, MA 02111-1307, USA.  */
 %{T} \
 %{Ym,*} \
 %{Wa,*:%*} \
--s %{fpic:-K PIC} %{fPIC:-K PIC} \
+-s %{fpic|fPIC|fpie|fPIE:-K PIC} \
 %{mlittle-endian:-EL} \
 %(asm_cpu) %(asm_arch) %(asm_relax)"
 
diff --git a/gcc/config/sparc/netbsd-elf.h b/gcc/config/sparc/netbsd-elf.h
index a20fce4edc8..06783f3bf5c 100644
--- a/gcc/config/sparc/netbsd-elf.h
+++ b/gcc/config/sparc/netbsd-elf.h
@@ -86,7 +86,7 @@ Boston, MA 02111-1307, USA.  */
 #define USER_LABEL_PREFIX ""
 
 #undef ASM_SPEC
-#define ASM_SPEC "%{fpic:-K PIC} %{fPIC:-K PIC} %{V} %{v:%{!V:-V}} \
+#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %{V} %{v:%{!V:-V}} \
 %{mlittle-endian:-EL} \
 %(asm_cpu) %(asm_arch) %(asm_relax)"
 
diff --git a/gcc/config/sparc/openbsd64.h b/gcc/config/sparc/openbsd64.h
index 96ddf7949af..e13c8862554 100644
--- a/gcc/config/sparc/openbsd64.h
+++ b/gcc/config/sparc/openbsd64.h
@@ -53,7 +53,7 @@ Boston, MA 02111-1307, USA.  */
 
 #undef ASM_SPEC
 #define ASM_SPEC "\
-%{v:-V} -s %{fpic:-K PIC} %{fPIC:-K PIC} \
+%{v:-V} -s %{fpic|fPIC|fpie|fPIE:-K PIC} \
 %{mlittle-endian:-EL} \
 %(asm_cpu) %(asm_arch) \
 "
diff --git a/gcc/config/sparc/sp64-elf.h b/gcc/config/sparc/sp64-elf.h
index f442fd86fc6..2782d688c51 100644
--- a/gcc/config/sparc/sp64-elf.h
+++ b/gcc/config/sparc/sp64-elf.h
@@ -56,7 +56,7 @@ Boston, MA 02111-1307, USA.  */
 
 #undef ASM_SPEC
 #define ASM_SPEC "\
-%{v:-V} -s %{fpic:-K PIC} %{fPIC:-K PIC} \
+%{v:-V} -s %{fpic|fPIC|fpie|fPIE:-K PIC} \
 %{mlittle-endian:-EL} \
 %(asm_cpu) %(asm_arch) \
 "
diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h
index 3ec9cded6e8..e08e4030ec7 100644
--- a/gcc/config/sparc/sparc.h
+++ b/gcc/config/sparc/sparc.h
@@ -336,7 +336,7 @@ extern enum cmodel sparc_cmodel;
 /* Special flags to the Sun-4 assembler when using pipe for input.  */
 
 #define ASM_SPEC "\
-%{R} %{!pg:%{!p:%{fpic:-k} %{fPIC:-k}}} %{keep-local-as-symbols:-L} \
+%{R} %{!pg:%{!p:%{fpic|fPIC|fpie|fPIE:-k}}} %{keep-local-as-symbols:-L} \
 %(asm_cpu) %(asm_relax)"
 
 #define AS_NEEDS_DASH_FOR_PIPED_INPUT
diff --git a/gcc/config/sparc/sysv4.h b/gcc/config/sparc/sysv4.h
index 1d153c03e66..80defea56fc 100644
--- a/gcc/config/sparc/sysv4.h
+++ b/gcc/config/sparc/sysv4.h
@@ -59,7 +59,7 @@ Boston, MA 02111-1307, USA.  */
 #undef ASM_SPEC
 #define ASM_SPEC \
   "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
-   %{fpic:-K PIC} %{fPIC:-K PIC} %(asm_cpu)"
+   %{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)"
 
 /* Define the names of various pseudo-op used by the SPARC/svr4 assembler.
    Note that many of these are different from the typical pseudo-ops used
diff --git a/gcc/configure b/gcc/configure
index fe5e6b39f7a..c03bd4d179a 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -8838,11 +8838,32 @@ EOF
 fi
 echo "$ac_t""$gcc_cv_ld_eh_frame_hdr" 1>&6
 
+echo $ac_n "checking linker position independent executable support""... $ac_c" 1>&6
+echo "configure:8843: checking linker position independent executable support" >&5
+gcc_cv_ld_pie=no
+if test $in_tree_ld = yes ; then
+  if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
+    gcc_cv_ld_pie=yes
+  fi
+elif test x$gcc_cv_ld != x; then
+	# Check if linker supports -pie option
+	if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
+		gcc_cv_ld_pie=yes
+	fi
+fi
+if test x"$gcc_cv_ld_pie" = xyes; then
+	cat >> confdefs.h <<\EOF
+#define HAVE_LD_PIE 1
+EOF
+
+fi
+echo "$ac_t""$gcc_cv_ld_pie" 1>&6
+
 # Miscellaneous target-specific checks.
 case "$target" in
   mips*-*-*)
     echo $ac_n "checking whether libgloss uses STARTUP directives consistently""... $ac_c" 1>&6
-echo "configure:8846: checking whether libgloss uses STARTUP directives consistently" >&5
+echo "configure:8867: checking whether libgloss uses STARTUP directives consistently" >&5
     gcc_cv_mips_libgloss_startup=no
     gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
     if test "x$exec_prefix" = xNONE; then
@@ -8870,7 +8891,7 @@ EOF
     echo "$ac_t""$gcc_cv_mips_libgloss_startup" 1>&6
 
     echo $ac_n "checking whether the assembler has explicit relocation support""... $ac_c" 1>&6
-echo "configure:8874: checking whether the assembler has explicit relocation support" >&5
+echo "configure:8895: checking whether the assembler has explicit relocation support" >&5
     if test x$gcc_cv_mips_explicit_relocs = x; then
       gcc_cv_mips_explicit_relocs=no
       if test x$gcc_cv_as != x; then
@@ -9065,7 +9086,7 @@ fi
 
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:9069: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:9090: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
diff --git a/gcc/configure.in b/gcc/configure.in
index f0e5d752474..a37f1ccfba3 100644
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -2631,6 +2631,24 @@ if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
 fi
 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
 
+AC_MSG_CHECKING(linker position independent executable support)
+gcc_cv_ld_pie=no
+if test $in_tree_ld = yes ; then
+  if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
+    gcc_cv_ld_pie=yes
+  fi
+elif test x$gcc_cv_ld != x; then
+	# Check if linker supports -pie option
+	if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
+		gcc_cv_ld_pie=yes
+	fi
+fi
+if test x"$gcc_cv_ld_pie" = xyes; then
+	AC_DEFINE(HAVE_LD_PIE, 1,
+[Define if your linker supports -pie option.])
+fi
+AC_MSG_RESULT($gcc_cv_ld_pie)
+
 # Miscellaneous target-specific checks.
 case "$target" in
   mips*-*-*)
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index d7539d29ed7..17584dba87b 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -310,7 +310,7 @@ in the following sections.
 @item Linker Options
 @xref{Link Options,,Options for Linking}.
 @gccoptlist{@var{object-file-name}  -l@var{library} @gol
--nostartfiles  -nodefaultlibs  -nostdlib @gol
+-nostartfiles  -nodefaultlibs  -nostdlib -pie @gol
 -s  -static  -static-libgcc  -shared  -shared-libgcc  -symbolic @gol
 -Wl,@var{option}  -Xlinker @var{option} @gol
 -u @var{symbol}}
@@ -672,7 +672,7 @@ in the following sections.
 -fasynchronous-unwind-tables @gol
 -finhibit-size-directive  -finstrument-functions @gol
 -fno-common  -fno-ident  -fno-gnu-linker @gol
--fpcc-struct-return  -fpic  -fPIC @gol
+-fpcc-struct-return  -fpic  -fPIC -fpie -fPIE @gol
 -freg-struct-return  -fshared-data  -fshort-enums @gol
 -fshort-double  -fshort-wchar @gol
 -fverbose-asm  -fpack-struct  -fstack-check @gol
@@ -4815,6 +4815,13 @@ library subroutines.  (For example, @samp{__main}, used to ensure C++
 constructors will be called; @pxref{Collect2,,@code{collect2}, gccint,
 GNU Compiler Collection (GCC) Internals}.)
 
+@item -pie
+@opindex pie
+Produce a position independent executable on targets which support it.
+For predictable results, you must also specify the same set of options
+that were used to generate code (@option{-fpie}, @option{-fPIE},
+or model suboptions) when you specify this option.
+
 @item -s
 @opindex s
 Remove all symbol table and relocation information from the executable.
@@ -11040,6 +11047,15 @@ and the SPARC.
 Position-independent code requires special support, and therefore works
 only on certain machines.
 
+@item -fpie
+@itemx -fPIE
+@opindex fpie
+@opindex fPIE
+These options are similar to @option{-fpic} and @option{-fPIC}, but
+generated position independent code can be only linked into executables.
+Usually these options are used when @option{-pie} GCC option will be
+used during linking.
+
 @item -ffixed-@var{reg}
 @opindex ffixed
 Treat the register named @var{reg} as a fixed register; generated code
diff --git a/gcc/flags.h b/gcc/flags.h
index c90428816d7..766b24dc4d7 100644
--- a/gcc/flags.h
+++ b/gcc/flags.h
@@ -462,6 +462,16 @@ extern int flag_pedantic_errors;
 
 extern int flag_pic;
 
+/* Nonzero if we are compiling position independent code for executable.
+   1 vs 2 for a target-dependent "small" or "large" mode.  */
+      
+extern int flag_pie;
+      
+/* Nonzero if we are compiling code for a shared library, zero for
+   executable.  */
+
+extern int flag_shlib;
+
 /* Nonzero means generate extra code for exception handling and enable
    exception handling.  */
 
diff --git a/gcc/gcc.c b/gcc/gcc.c
index 1b79f5486b7..e71a0e85f2f 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -664,6 +664,14 @@ proper position among the other output files.  */
 #define LINK_GCC_C_SEQUENCE_SPEC "%G %L %G"
 #endif
 
+#ifndef LINK_PIE_SPEC
+#ifdef HAVE_LD_PIE
+#define LINK_PIE_SPEC "%{pie:-pie} "
+#else
+#define LINK_PIE_SPEC "%{pie:} "
+#endif
+#endif
+
 /* -u* was put back because both BSD and SysV seem to support it.  */
 /* %{static:} simply prevents an error message if the target machine
    doesn't handle -static.  */
@@ -673,8 +681,8 @@ proper position among the other output files.  */
 #ifndef LINK_COMMAND_SPEC
 #define LINK_COMMAND_SPEC "\
 %{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
-    %(linker) %l %X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r} %{s} %{t}\
-    %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
+    %(linker) %l " LINK_PIE_SPEC "%X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}\
+    %{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
     %{static:} %{L*} %(link_libgcc) %o %{fprofile-arcs:-lgcov}\
     %{!nostdlib:%{!nodefaultlibs:%(link_gcc_c_sequence)}}\
     %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}"
@@ -1021,6 +1029,7 @@ static const struct option_map option_map[] =
    {"--param", "--param", "a"},
    {"--pedantic", "-pedantic", 0},
    {"--pedantic-errors", "-pedantic-errors", 0},
+   {"--pie", "-pie", 0},
    {"--pipe", "-pipe", 0},
    {"--prefix", "-B", "a"},
    {"--preprocess", "-E", 0},
diff --git a/gcc/toplev.c b/gcc/toplev.c
index 6a6e076cd54..660b4e1efac 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -759,6 +759,17 @@ int flag_delayed_branch;
 
 int flag_pic;
 
+/* Nonzero if we are compiling position independent code for executable.
+   The value is 1 if we are doing "small" pic; value is 2 if we're doing
+   "large" pic.  */
+
+int flag_pie;
+
+/* Nonzero if we are compiling code for a shared library, zero for
+   executable.  */
+
+int flag_shlib;
+
 /* Set to the default thread-local storage (tls) model to use.  */
 
 enum tls_model flag_tls_default = TLS_MODEL_GLOBAL_DYNAMIC;
@@ -1156,6 +1167,9 @@ static const lang_independent_options f_options[] =
   {"pic", &flag_pic, 1,
    N_("Generate position independent code, if possible") },
   {"PIC", &flag_pic, 2, ""},
+  {"pie", &flag_pie, 1,
+   N_("Generate position independent code for executables, if possible") },
+  {"PIE", &flag_pie, 2, ""},
   {"exceptions", &flag_exceptions, 1,
    N_("Enable exception handling") },
   {"unwind-tables", &flag_unwind_tables, 1,
@@ -5338,6 +5352,11 @@ parse_options_and_default_flags (int argc, char **argv)
 	}
     }
 
+  if (flag_pie)
+    flag_pic = flag_pie;
+  if (flag_pic && !flag_pie)
+    flag_shlib = 1;
+
   if (flag_no_inline == 2)
     flag_no_inline = 0;
   else
diff --git a/gcc/varasm.c b/gcc/varasm.c
index 0e9014aaa2f..cf2722cf2e8 100644
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -5280,7 +5280,7 @@ bool
 default_binds_local_p (exp)
      tree exp;
 {
-  return default_binds_local_p_1 (exp, flag_pic);
+  return default_binds_local_p_1 (exp, flag_shlib);
 }
 
 bool