commit 79a117c82c59a07b041c1396a8270d2905b91d01
Author: Roland McGrath <mcgrathr@google.com>
Date:   Tue Aug 9 12:09:17 2016 -0700

    Support -pie for arm*-eabi targets.
    
    ld/
    	* emulparams/armelf.sh (GENERATE_PIE_SCRIPT): Set to yes.

diff --git a/ld/emulparams/armelf.sh b/ld/emulparams/armelf.sh
index 672b208..f581c68 100644
--- a/ld/emulparams/armelf.sh
+++ b/ld/emulparams/armelf.sh
@@ -21,6 +21,7 @@ OTHER_READONLY_SECTIONS="
 DATA_START_SYMBOLS='__data_start = . ;';
 
 GENERATE_SHLIB_SCRIPT=yes
+GENERATE_PIE_SCRIPT=yes
 
 ARCH=arm
 MACHINE=


commit 37bb4d970f17d7f33d0621f7b81b623456b1d183
Author: Roland McGrath <mcgrathr@google.com>
Date:   Fri Aug 12 09:50:49 2016 -0700

    [gold] Implement HIDDEN syntax in linker scripts
    
    gold/
    	* yyscript.y (HIDDEN): New %token.
    	(assignment): Handle HIDDEN(string = expr) syntax.
    	* script.cc (script_keyword_parsecodes): Add HIDDEN.
    
    (cherry picked from commit f300578f78f5ecddc9cfb28c02d032a0acffdf70)

diff --git a/gold/script.cc b/gold/script.cc
index d6aa7b2..bb8b437 100644
--- a/gold/script.cc
+++ b/gold/script.cc
@@ -1755,6 +1755,7 @@ script_keyword_parsecodes[] =
   { "FLOAT", FLOAT },
   { "FORCE_COMMON_ALLOCATION", FORCE_COMMON_ALLOCATION },
   { "GROUP", GROUP },
+  { "HIDDEN", HIDDEN },
   { "HLL", HLL },
   { "INCLUDE", INCLUDE },
   { "INFO", INFO },
diff --git a/gold/yyscript.y b/gold/yyscript.y
index 7e6bd27..38831d5 100644
--- a/gold/yyscript.y
+++ b/gold/yyscript.y
@@ -137,6 +137,7 @@
 %token FORCE_COMMON_ALLOCATION
 %token GLOBAL		/* global */
 %token GROUP
+%token HIDDEN
 %token HLL
 %token INCLUDE
 %token INHIBIT_COMMON_ALLOCATION
@@ -864,6 +865,8 @@ assignment:
 	      Expression_ptr e = script_exp_binary_bitwise_or(s, $3);
 	      script_set_symbol(closure, $1.value, $1.length, e, 0, 0);
 	    }
+	| HIDDEN '(' string '=' parse_exp ')'
+	    { script_set_symbol(closure, $3.value, $3.length, $5, 0, 1); }
 	| PROVIDE '(' string '=' parse_exp ')'
 	    { script_set_symbol(closure, $3.value, $3.length, $5, 1, 0); }
 	| PROVIDE_HIDDEN '(' string '=' parse_exp ')'

commit 9dfbd0e7d0765a35dce7423d79a975d7c5bad3ae
Author: Roland McGrath <mcgrathr@google.com>
Date:   Fri Aug 12 09:55:25 2016 -0700

    PR gold/20462: Fix bogus layout on ARM with linker script using PHDRS clause
    
    gold/
    	PR gold/20462
    	* script-sections.cc (Script_sections::release_segments):
    	Reset this->segments_created_.
    
    (cherry picked from commit 3785f51aa2454dba199db8aafa80019795d536ec)

diff --git a/gold/script-sections.cc b/gold/script-sections.cc
index 96c68de..bf25391 100644
--- a/gold/script-sections.cc
+++ b/gold/script-sections.cc
@@ -4459,6 +4459,7 @@ Script_sections::release_segments()
 	   ++p)
 	(*p)->release_segment();
     }
+  this->segments_created_ = false;
 }
 
 // Print the SECTIONS clause to F for debugging.
diff -dcp -r binutils-2.27/bfd/config.bfd binutils-2.27-fuchsia/bfd/config.bfd
*** binutils-2.27/bfd/config.bfd	2016-08-03 00:36:50.000000000 -0700
--- binutils-2.27-fuchsia/bfd/config.bfd	2016-10-24 17:43:42.471794309 -0700
*************** case "${targ}" in
*** 693,699 ****
      targ_selvecs="i386_elf32_vec iamcu_elf32_vec l1om_elf64_vec k1om_elf64_vec"
      want64=true
      ;;
!   x86_64-*-elf* | x86_64-*-rtems*)
      targ_defvec=x86_64_elf64_vec
      targ_selvecs="i386_elf32_vec iamcu_elf32_vec x86_64_elf32_vec l1om_elf64_vec k1om_elf64_vec"
      want64=true
--- 693,699 ----
      targ_selvecs="i386_elf32_vec iamcu_elf32_vec l1om_elf64_vec k1om_elf64_vec"
      want64=true
      ;;
!   x86_64-*-elf* | x86_64-*-rtems* | x86_64-*-fuchsia)
      targ_defvec=x86_64_elf64_vec
      targ_selvecs="i386_elf32_vec iamcu_elf32_vec x86_64_elf32_vec l1om_elf64_vec k1om_elf64_vec"
      want64=true
diff -dcp -r binutils-2.27/config.sub binutils-2.27-fuchsia/config.sub
*** binutils-2.27/config.sub	2016-08-03 00:36:51.000000000 -0700
--- binutils-2.27-fuchsia/config.sub	2016-10-24 17:41:14.128384816 -0700
*************** case $os in
*** 1399,1405 ****
  	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
  	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
  	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \
! 	      | -onefs* | -tirtos* | -phoenix*)
  	# Remember, each alternative MUST END IN *, to match a version number.
  		;;
  	-qnx*)
--- 1399,1405 ----
  	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
  	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
  	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \
! 	      | -onefs* | -tirtos* | -phoenix* | -fuchsia*)
  	# Remember, each alternative MUST END IN *, to match a version number.
  		;;
  	-qnx*)
diff -dcp -r binutils-2.27/configure binutils-2.27-fuchsia/configure
*** binutils-2.27/configure	2016-08-03 00:54:55.000000000 -0700
--- binutils-2.27-fuchsia/configure	2016-10-31 12:00:06.513896294 -0700
*************** case "${ENABLE_GOLD}" in
*** 2959,2965 ****
        *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
        | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
        | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
!       | *-*-solaris2* | *-*-nto* | *-*-nacl*)
          case "${target}" in
            *-*-linux*aout* | *-*-linux*oldld*)
              ;;
--- 2959,2965 ----
        *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
        | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
        | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
!       | *-*-solaris2* | *-*-nto* | *-*-nacl* | *-*-fuchsia*)
          case "${target}" in
            *-*-linux*aout* | *-*-linux*oldld*)
              ;;
diff -dcp -r binutils-2.27/gas/configure.tgt binutils-2.27-fuchsia/gas/configure.tgt
*** binutils-2.27/gas/configure.tgt	2016-08-03 00:36:51.000000000 -0700
--- binutils-2.27-fuchsia/gas/configure.tgt	2016-10-24 17:47:01.051004624 -0700
*************** case ${generic_target} in
*** 219,224 ****
--- 219,225 ----
    i386-*-coff)				fmt=coff ;;
    i386-*-elfiamcu)			fmt=elf arch=iamcu ;;
    i386-*-elf*)				fmt=elf ;;
+   i386-*-fuchsia*)			fmt=elf ;;
    i386-*-kaos*)				fmt=elf ;;
    i386-*-bsd*)				fmt=aout em=386bsd ;;
    i386-*-nacl*)				fmt=elf em=nacl
diff -dcp -r binutils-2.27/ld/configure.tgt binutils-2.27-fuchsia/ld/configure.tgt
*** binutils-2.27/ld/configure.tgt	2016-08-03 00:36:54.000000000 -0700
--- binutils-2.27-fuchsia/ld/configure.tgt	2016-10-24 17:50:01.570287514 -0700
*************** i[3-7]86-*-elfiamcu)	targ_emul=elf_iamcu
*** 316,322 ****
  			targ_extra_emuls=elf_i386 ;;
  i[3-7]86-*-elf*)	targ_emul=elf_i386
  			targ_extra_emuls=elf_iamcu ;;
! x86_64-*-elf* | x86_64-*-rtems*)
  			targ_emul=elf_x86_64
  			targ_extra_emuls="elf_i386 elf_iamcu elf32_x86_64 elf_l1om elf_k1om"
  			targ_extra_libpath="elf_i386 elf_iamcu elf32_x86_64 elf_l1om elf_k1om"
--- 316,322 ----
  			targ_extra_emuls=elf_i386 ;;
  i[3-7]86-*-elf*)	targ_emul=elf_i386
  			targ_extra_emuls=elf_iamcu ;;
! x86_64-*-elf* | x86_64-*-rtems* | x86_64-*-fuchsia*)
  			targ_emul=elf_x86_64
  			targ_extra_emuls="elf_i386 elf_iamcu elf32_x86_64 elf_l1om elf_k1om"
  			targ_extra_libpath="elf_i386 elf_iamcu elf32_x86_64 elf_l1om elf_k1om"
diff -rdcp binutils-2.27-orig/bfd/config.bfd binutils-2.27/bfd/config.bfd
*** binutils-2.27-orig/bfd/config.bfd	2016-11-14 16:52:46.909843404 -0800
--- binutils-2.27/bfd/config.bfd	2016-11-15 08:37:21.691710128 -0800
*************** case "${targ}" in
*** 192,197 ****
--- 192,202 ----
      targ_selvecs="aarch64_elf64_be_vec arm_elf32_le_vec arm_elf32_be_vec"
      want64=true
      ;;
+   aarch64-*-fuchsia*)
+     targ_defvec=aarch64_elf64_le_vec
+     targ_selvecs="aarch64_elf64_be_vec arm_elf32_le_vec arm_elf32_be_vec"
+     want64=true
+     ;;
    aarch64-*-cloudabi*)
      targ_defvec=aarch64_elf64_le_cloudabi_vec
      targ_selvecs=aarch64_elf64_be_cloudabi_vec
*************** case "${targ}" in
*** 286,291 ****
--- 291,300 ----
      targ_selvecs="mach_o_le_vec mach_o_be_vec mach_o_fat_vec"
      targ_archs="$targ_archs bfd_i386_arch bfd_powerpc_arch bfd_rs6000_arch"
      ;;
+   arm-*-fuchsia*)
+     targ_defvec=arm_elf32_le_vec
+     targ_selvecs="arm_elf32_be_vec"
+     ;;
    arm-*-nacl*)
      targ_defvec=arm_elf32_nacl_le_vec
      targ_selvecs="arm_elf32_nacl_be_vec i386_elf32_nacl_vec"
diff -rdcp binutils-2.27-orig/gas/configure.tgt binutils-2.27/gas/configure.tgt
*** binutils-2.27-orig/gas/configure.tgt	2016-11-14 16:52:47.073842705 -0800
--- binutils-2.27/gas/configure.tgt	2016-11-15 08:39:07.799302559 -0800
*************** generic_target=${cpu_type}-$vendor-$os
*** 121,126 ****
--- 121,127 ----
  # Note: This table is alpha-sorted, please try to keep it that way.
  case ${generic_target} in
    aarch64*-*-elf | aarch64*-*-rtems*)	fmt=elf;;
+   aarch64*-*-fuchsia*)			fmt=elf;;
    aarch64*-*-linux*)			fmt=elf em=linux ;;
  
    alpha-*-*vms*)			fmt=evax ;;
*************** case ${generic_target} in
*** 159,164 ****
--- 160,166 ----
  					fmt=coff em=wince-pe ;;
    arm-*-pe)				fmt=coff em=pe ;;
    arm-*-riscix*)			fmt=aout em=riscix ;;
+   arm-*-fuchsia*)			fmt=elf ;;
  
    avr-*-*)				fmt=elf bfd_gas=yes ;;
  
diff -rdcp binutils-2.27-orig/ld/configure.tgt binutils-2.27/ld/configure.tgt
*** binutils-2.27-orig/ld/configure.tgt	2016-11-14 16:52:46.665844445 -0800
--- binutils-2.27/ld/configure.tgt	2016-11-15 08:40:41.870942601 -0800
*************** aarch64-*-cloudabi*)	targ_emul=aarch64cl
*** 54,59 ****
--- 54,61 ----
  			targ_extra_emuls=aarch64cloudabib ;;
  aarch64-*-freebsd*)	targ_emul=aarch64fbsd
  			targ_extra_emuls="aarch64fbsdb aarch64elf" ;;
+ aarch64-*-fuchsia*)	targ_emul=aarch64elf
+ 			targ_extra_emuls="aarch64elfb armelf armelfb" ;;
  aarch64_be-*-linux*)	targ_emul=aarch64linuxb
  			targ_extra_libpath="aarch64linux aarch64linux32 aarch64linux32b armelfb_linux_eabi armelf_linux_eabi"
  			targ_extra_emuls="aarch64elfb aarch64elf aarch64elf32 aarch64elf32b armelfb armelf $targ_extra_libpath" ;;
*************** arm*-*-uclinux*)	targ_emul=armelf_linux
*** 150,155 ****
--- 152,160 ----
  			;;
  arm-*-vxworks)		targ_emul=armelf_vxworks ;;
  arm*-*-conix*)		targ_emul=armelf ;;
+ arm*-*-fuchsia*)	targ_emul=armelf
+ 			targ_extra_emuls="armelfb"
+ 			;;
  avr-*-*)		targ_emul=avr2
  			targ_extra_emuls="avr1 avr25 avr3 avr31 avr35 avr4 avr5 avr51 avr6 avrxmega1 avrxmega2 avrxmega3 avrxmega4 avrxmega5 avrxmega6 avrxmega7 avrtiny"
  			;;