--- gcc-4.8.2.orig/gcc/config/arm/t-arm-elf	2013-01-10 20:38:27.000000000 +0000
+++ gcc-4.8.2/gcc/config/arm/t-arm-elf	2013-12-28 22:54:59.000000000 +0000
@@ -25,22 +25,36 @@
 #MULTILIB_DIRNAMES    += fa526 fa626 fa606te fa626te fmp626 fa726te
 #MULTILIB_EXCEPTIONS  += *mthumb*/*mcpu=fa526 *mthumb*/*mcpu=fa626
 
+# build a bunch of specialized versions of libcc for particular cores
+#MULTILIB_OPTIONS    += mcpu=arm7tdmi/mcpu=arm9tdmi/mcpu=arm920t/mcpu=arm926ej-s/mcpu=arm1136j-s/mcpu=arm1136jf-s/mcpu=arm1176jz-s/mcpu=arm1176jzf-s/mcpu=xscale/mcpu=mpcore/mcpu=cortex-a8/cortex-a9/march=armv4t/march=armv5t/march=armv5te/march=armv6/march=armv6j/march=armv6k/march=armv6z/march=armv6zk/march=armv7-a/march=armv7-r
+#MULTILIB_DIRNAMES   += arm7tdmi arm9tdmi arm920t arm926ej-s arm1136j-s arm1136jf-s arm1176jz-s arm1176jzf-s xscale mpcore cortex-a8 cortex-a9 cortex-m3 armv4t armv5t armv5te armv6 armv6j armv6k armv6z armv6zk armv7-a armv7-r
+#MULTILIB_OPTIONS    += mcpu=arm7tdmi/mcpu=arm9tdmi/mcpu=arm920t/mcpu=arm926ej-s/mcpu=arm1136j-s/mcpu=arm1136jf-s/mcpu=arm1176jz-s/mcpu=arm1176jzf-s/mcpu=xscale/mcpu=mpcore/mcpu=cortex-a8/mcpu=cortex-a9
+#MULTILIB_DIRNAMES   += arm7tdmi arm9tdmi arm920t arm926ej-s arm1136j-s arm1136jf-s arm1176jz-s arm1176jzf-s xscale mpcore cortex-a8 cortex-a9
+
+MULTILIB_OPTIONS      += march=armv7
+MULTILIB_DIRNAMES     += thumb2
+MULTILIB_EXCEPTIONS   += march=armv7* marm/*march=armv7*
+MULTILIB_MATCHES      += march?armv7=march?armv7-a
+MULTILIB_MATCHES      += march?armv7=march?armv7-r
+MULTILIB_MATCHES      += march?armv7=march?armv7-m
+MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a15
+MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a9
+MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a8
+MULTILIB_MATCHES      += march?armv7=mcpu?cortex-r4
+MULTILIB_MATCHES      += march?armv7=mcpu?cortex-m4
+MULTILIB_MATCHES      += march?armv7=mcpu?cortex-m3
+
+#MULTILIB_OPTIONS      += mfpu=vfp
+#MULTILIB_DIRNAMES     += vfp
+#MULTILIB_MATCHES      += mfpu?vfp=mcpu?arm1136jf-s
+#MULTILIB_MATCHES      += mfpu?vfp=mcpu?arm1136jzf-s
-#MULTILIB_OPTIONS      += march=armv7
-#MULTILIB_DIRNAMES     += thumb2
-#MULTILIB_EXCEPTIONS   += march=armv7* marm/*march=armv7*
-#MULTILIB_MATCHES      += march?armv7=march?armv7-a
-#MULTILIB_MATCHES      += march?armv7=march?armv7-r
-#MULTILIB_MATCHES      += march?armv7=march?armv7-m
-#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a8
-#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-r4
-#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-m3
 
 # Not quite true.  We can support hard-vfp calling in Thumb2, but how do we
 # express that here?  Also, we really need architecture v5e or later
 # (mcrr etc).
+#MULTILIB_OPTIONS       += mfloat-abi=hard
+#MULTILIB_DIRNAMES      += fpu
+#MULTILIB_EXCEPTIONS    += *mthumb/*mfloat-abi=hard*
-MULTILIB_OPTIONS       += mfloat-abi=hard
-MULTILIB_DIRNAMES      += fpu
-MULTILIB_EXCEPTIONS    += *mthumb/*mfloat-abi=hard*
 #MULTILIB_EXCEPTIONS    += *mcpu=fa526/*mfloat-abi=hard*
 #MULTILIB_EXCEPTIONS    += *mcpu=fa626/*mfloat-abi=hard*
 
@@ -56,8 +70,8 @@
 # MULTILIB_DIRNAMES   += fpu soft
 # MULTILIB_EXCEPTIONS += *mthumb/*mfloat-abi=hard*
 # 
+MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
+MULTILIB_DIRNAMES   += normal interwork
-# MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
-# MULTILIB_DIRNAMES   += normal interwork
 # 
 # MULTILIB_OPTIONS    += fno-leading-underscore/fleading-underscore
 # MULTILIB_DIRNAMES   += elf under
reverted:
--- gcc-4.8.2.orig/gcc/config/i386/t-x86_64-elf	1970-01-01 01:00:00.000000000 +0100
+++ gcc-4.8.2/gcc/config/i386/t-x86_64-elf	2013-12-29 12:47:35.000000000 +0000
@@ -0,0 +1,8 @@
+# Add redzoneless libgcc
+
+MULTILIB_OPTIONS  += mno-red-zone
+MULTILIB_DIRNAMES += no-red-zone
+
+# Build a 32bit libgcc as well
+MULTILIB_OPTIONS  += m32
+MULTILIB_DIRNAMES += 32
\ No newline at end of file
reverted:
--- gcc-4.8.2.orig/gcc/config.gcc	2013-10-03 01:47:24.000000000 +0100
+++ gcc-4.8.2/gcc/config.gcc	2013-12-29 12:06:18.000000000 +0000
@@ -1213,6 +1213,7 @@
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h"
 	;;
 x86_64-*-elf*)
+	tmake_file="${tmake_file} i386/t-x86_64-elf"
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h"
 	;;
 i[34567]86-*-rdos*)

gcc/
2016-09-27  Roland McGrath  <roland@hack.frob.com>

	PR other/77609
	* varasm.c (default_section_type_flags): Set SECTION_NOTYPE for
	any section for which we don't know a specific type it should have,
	regardless of name.  Previously this was done only for the exact
	names ".init_array", ".fini_array", and ".preinit_array".

diff --git a/gcc/varasm.c b/gcc/varasm.c
index b0f2af0..dcc9976 100644
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -6193,15 +6193,20 @@ default_section_type_flags (tree decl, const char *name, int reloc)
       || strncmp (name, ".gnu.linkonce.tb.", 17) == 0)
     flags |= SECTION_TLS | SECTION_BSS;
 
-  /* These three sections have special ELF types.  They are neither
-     SHT_PROGBITS nor SHT_NOBITS, so when changing sections we don't
-     want to print a section type (@progbits or @nobits).  If someone
-     is silly enough to emit code or TLS variables to one of these
-     sections, then don't handle them specially.  */
-  if (!(flags & (SECTION_CODE | SECTION_BSS | SECTION_TLS))
-      && (strcmp (name, ".init_array") == 0
-	  || strcmp (name, ".fini_array") == 0
-	  || strcmp (name, ".preinit_array") == 0))
+  /* Various sections have special ELF types that the assembler will
+     assign by default based on the name.  They are neither SHT_PROGBITS
+     nor SHT_NOBITS, so when changing sections we don't want to print a
+     section type (@progbits or @nobits).  Rather than duplicating the
+     assembler's knowledge of what those special name patterns are, just
+     let the assembler choose the type if we don't know a specific
+     reason to set it to something other than the default.  SHT_PROGBITS
+     is the default for sections whose name is not specially known to
+     the assembler, so it does no harm to leave the choice to the
+     assembler when @progbits is the best thing we know to use.  If
+     someone is silly enough to emit code or TLS variables to one of
+     these sections, then don't handle them specially.  */
+  if (!(flags & (SECTION_CODE | SECTION_BSS | SECTION_TLS | SECTION_ENTSIZE))
+      && !(HAVE_COMDAT_GROUP && (flags & SECTION_LINKONCE)))
     flags |= SECTION_NOTYPE;
 
   return flags;