add support for gcc 5.3.0 and use by default

2016-05-17 09:17:08 +10:00 · 2016-05-17 09:17:08 +10:00 · e84b1bd1fc
parent 0de8362e97
commit e84b1bd1fc
11 changed files with 3406 additions and 1 deletions
--- a/2
+++ b/2
@ -4,7 +4,7 @@ SOURCES = sources

 CONFIG_SUB_REV = 3d5db9ebe860
 BINUTILS_VER = 2.25.1
-GCC_VER = 5.2.0
+GCC_VER = 5.3.0
 MUSL_VER = 1.1.14
 GMP_VER = 6.1.0
 MPC_VER = 1.0.3
--- a/hashes/gcc-5.3.0.tar.bz2.sha1
+++ b/hashes/gcc-5.3.0.tar.bz2.sha1
@ -0,0 +1 @@
+0612270b103941da08376df4d0ef4e5662a2e9eb  gcc-5.3.0.tar.bz2
--- a/patches/gcc-5.3.0/0001-musl.diff
+++ b/patches/gcc-5.3.0/0001-musl.diff
@ -0,0 +1,892 @@
+diff --git a/fixincludes/mkfixinc.sh b/fixincludes/mkfixinc.sh
+index 6653fed..0d96c8c 100755
+--- a/fixincludes/mkfixinc.sh
+++ b/fixincludes/mkfixinc.sh
+@@ -19,7 +19,8 @@ case $machine in
+     powerpc-*-eabi*    | \
+     powerpc-*-rtems*   | \
+     powerpcle-*-eabisim* | \
+-    powerpcle-*-eabi* )
+    powerpcle-*-eabi* | \
+    *-musl* )
+ 	#  IF there is no include fixing,
+ 	#  THEN create a no-op fixer and exit
+ 	(echo "#! /bin/sh" ; echo "exit 0" ) > ${target}
+diff --git a/gcc/config.gcc b/gcc/config.gcc
+index 3ede69b..d9eb8cf 100644
+--- a/gcc/config.gcc
+++ b/gcc/config.gcc
+@@ -575,7 +575,7 @@ case ${target} in
+ esac
+ 
+ # Common C libraries.
+-tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3"
+tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4"
+ 
+ # 32-bit x86 processors supported by --with-arch=.  Each processor
+ # MUST be separated by exactly one space.
+@@ -720,6 +720,9 @@ case ${target} in
+     *-*-*uclibc*)
+       tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC"
+       ;;
+    *-*-*musl*)
+      tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL"
+      ;;
+     *)
+       tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC"
+       ;;
+diff --git a/gcc/config/aarch64/aarch64-linux.h b/gcc/config/aarch64/aarch64-linux.h
+index ba7fc3b..1600a32 100644
+--- a/gcc/config/aarch64/aarch64-linux.h
+++ b/gcc/config/aarch64/aarch64-linux.h
+@@ -23,6 +23,9 @@
+ 
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64%{mbig-endian:_be}%{mabi=ilp32:_ilp32}.so.1"
+ 
+#undef MUSL_DYNAMIC_LINKER
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-aarch64%{mbig-endian:_be}%{mabi=ilp32:_ilp32}.so.1"
+
+ #undef  ASAN_CC1_SPEC
+ #define ASAN_CC1_SPEC "%{%:sanitize(address):-funwind-tables}"
+ 
+diff --git a/gcc/config/alpha/linux.h b/gcc/config/alpha/linux.h
+index c567f43..475ea06 100644
+--- a/gcc/config/alpha/linux.h
+++ b/gcc/config/alpha/linux.h
+@@ -61,10 +61,14 @@ along with GCC; see the file COPYING3.  If not see
+ #define OPTION_GLIBC  (DEFAULT_LIBC == LIBC_GLIBC)
+ #define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC)
+ #define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC)
+#undef OPTION_MUSL
+#define OPTION_MUSL   (DEFAULT_LIBC == LIBC_MUSL)
+ #else
+ #define OPTION_GLIBC  (linux_libc == LIBC_GLIBC)
+ #define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
+ #define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
+#undef OPTION_MUSL
+#define OPTION_MUSL   (linux_libc == LIBC_MUSL)
+ #endif
+ 
+ /* Determine what functions are present at the runtime;
+diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h
+index e9d65dc..f12e6bd 100644
+--- a/gcc/config/arm/linux-eabi.h
+++ b/gcc/config/arm/linux-eabi.h
+@@ -77,6 +77,23 @@
+     %{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \
+     %{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}"
+ 
+/* For ARM musl currently supports four dynamic linkers:
+   - ld-musl-arm.so.1 - for the EABI-derived soft-float ABI
+   - ld-musl-armhf.so.1 - for the EABI-derived hard-float ABI
+   - ld-musl-armeb.so.1 - for the EABI-derived soft-float ABI, EB
+   - ld-musl-armebhf.so.1 - for the EABI-derived hard-float ABI, EB
+   musl does not support the legacy OABI mode.
+   All the dynamic linkers live in /lib.
+   We default to soft-float, EL. */
+#undef  MUSL_DYNAMIC_LINKER
+#if TARGET_BIG_ENDIAN_DEFAULT
+#define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:;:eb}"
+#else
+#define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:eb}"
+#endif
+#define MUSL_DYNAMIC_LINKER \
+  "/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}.so.1"
+
+ /* At this point, bpabi.h will have clobbered LINK_SPEC.  We want to
+    use the GNU/Linux version, not the generic BPABI version.  */
+ #undef  LINK_SPEC
+diff --git a/gcc/config/glibc-stdint.h b/gcc/config/glibc-stdint.h
+index 3fc67dc..98f4f04 100644
+--- a/gcc/config/glibc-stdint.h
+++ b/gcc/config/glibc-stdint.h
+@@ -22,6 +22,12 @@ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+ <http://www.gnu.org/licenses/>.  */
+ 
+/* Systems using musl libc should use this header and make sure
+   OPTION_MUSL is defined correctly before using the TYPE macros. */
+#ifndef OPTION_MUSL
+#define OPTION_MUSL 0
+#endif
+
+ #define SIG_ATOMIC_TYPE "int"
+ 
+ #define INT8_TYPE "signed char"
+@@ -43,12 +49,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+ #define UINT_LEAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int")
+ 
+ #define INT_FAST8_TYPE "signed char"
+-#define INT_FAST16_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int")
+-#define INT_FAST32_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int")
+#define INT_FAST16_TYPE (LONG_TYPE_SIZE == 64 && !OPTION_MUSL ? "long int" : "int")
+#define INT_FAST32_TYPE (LONG_TYPE_SIZE == 64 && !OPTION_MUSL ? "long int" : "int")
+ #define INT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int")
+ #define UINT_FAST8_TYPE "unsigned char"
+-#define UINT_FAST16_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "unsigned int")
+-#define UINT_FAST32_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "unsigned int")
+#define UINT_FAST16_TYPE (LONG_TYPE_SIZE == 64 && !OPTION_MUSL ? "long unsigned int" : "unsigned int")
+#define UINT_FAST32_TYPE (LONG_TYPE_SIZE == 64 && !OPTION_MUSL ? "long unsigned int" : "unsigned int")
+ #define UINT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int")
+ 
+ #define INTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int")
+diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h
+index a100963..385aefd 100644
+--- a/gcc/config/i386/linux.h
+++ b/gcc/config/i386/linux.h
+@@ -21,3 +21,6 @@ along with GCC; see the file COPYING3.  If not see
+ 
+ #define GNU_USER_LINK_EMULATION "elf_i386"
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+
+#undef MUSL_DYNAMIC_LINKER
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1"
+diff --git a/gcc/config/i386/linux64.h b/gcc/config/i386/linux64.h
+index a27d3be..e300480 100644
+--- a/gcc/config/i386/linux64.h
+++ b/gcc/config/i386/linux64.h
+@@ -30,3 +30,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+ #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
+ #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
+ #define GLIBC_DYNAMIC_LINKERX32 "/libx32/ld-linux-x32.so.2"
+
+#undef MUSL_DYNAMIC_LINKER32
+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1"
+#undef MUSL_DYNAMIC_LINKER64
+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1"
+#undef MUSL_DYNAMIC_LINKERX32
+#define MUSL_DYNAMIC_LINKERX32 "/lib/ld-musl-x32.so.1"
+diff --git a/gcc/config/linux.h b/gcc/config/linux.h
+index 857389a..7bc87ab 100644
+--- a/gcc/config/linux.h
+++ b/gcc/config/linux.h
+@@ -32,10 +32,14 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+ #define OPTION_GLIBC  (DEFAULT_LIBC == LIBC_GLIBC)
+ #define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC)
+ #define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC)
+#undef OPTION_MUSL
+#define OPTION_MUSL   (DEFAULT_LIBC == LIBC_MUSL)
+ #else
+ #define OPTION_GLIBC  (linux_libc == LIBC_GLIBC)
+ #define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
+ #define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
+#undef OPTION_MUSL
+#define OPTION_MUSL   (linux_libc == LIBC_MUSL)
+ #endif
+ 
+ #define GNU_USER_TARGET_OS_CPP_BUILTINS()			\
+@@ -50,21 +54,25 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+     } while (0)
+ 
+ /* Determine which dynamic linker to use depending on whether GLIBC or
+-   uClibc or Bionic is the default C library and whether
+-   -muclibc or -mglibc or -mbionic has been passed to change the default.  */
+   uClibc or Bionic or musl is the default C library and whether
+   -muclibc or -mglibc or -mbionic or -mmusl has been passed to change
+   the default.  */
+ 
+-#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LD1, LD2, LD3)	\
+-  "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:" LD1 "}}"
+#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LIBC4, LD1, LD2, LD3, LD4)	\
+  "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:%{" LIBC4 ":" LD4 ";:" LD1 "}}}"
+ 
+ #if DEFAULT_LIBC == LIBC_GLIBC
+-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
+-  CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", G, U, B)
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+  CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", "mmusl", G, U, B, M)
+ #elif DEFAULT_LIBC == LIBC_UCLIBC
+-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
+-  CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", U, G, B)
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+  CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", "mmusl", U, G, B, M)
+ #elif DEFAULT_LIBC == LIBC_BIONIC
+-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
+-  CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", B, G, U)
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+  CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", "mmusl", B, G, U, M)
+#elif DEFAULT_LIBC == LIBC_MUSL
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+  CHOOSE_DYNAMIC_LINKER1 ("mmusl", "mglibc", "muclibc", "mbionic", M, G, U, B)
+ #else
+ #error "Unsupported DEFAULT_LIBC"
+ #endif /* DEFAULT_LIBC */
+@@ -81,24 +89,100 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+ #define BIONIC_DYNAMIC_LINKER32 "/system/bin/linker"
+ #define BIONIC_DYNAMIC_LINKER64 "/system/bin/linker64"
+ #define BIONIC_DYNAMIC_LINKERX32 "/system/bin/linkerx32"
+/* Should be redefined for each target that supports musl.  */
+#define MUSL_DYNAMIC_LINKER "/dev/null"
+#define MUSL_DYNAMIC_LINKER32 "/dev/null"
+#define MUSL_DYNAMIC_LINKER64 "/dev/null"
+#define MUSL_DYNAMIC_LINKERX32 "/dev/null"
+ 
+ #define GNU_USER_DYNAMIC_LINKER						\
+   CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,	\
+-			 BIONIC_DYNAMIC_LINKER)
+			 BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER)
+ #define GNU_USER_DYNAMIC_LINKER32					\
+   CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \
+-			 BIONIC_DYNAMIC_LINKER32)
+			 BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32)
+ #define GNU_USER_DYNAMIC_LINKER64					\
+   CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \
+-			 BIONIC_DYNAMIC_LINKER64)
+			 BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64)
+ #define GNU_USER_DYNAMIC_LINKERX32					\
+   CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERX32, UCLIBC_DYNAMIC_LINKERX32, \
+-			 BIONIC_DYNAMIC_LINKERX32)
+			 BIONIC_DYNAMIC_LINKERX32, MUSL_DYNAMIC_LINKERX32)
+ 
+ /* Whether we have Bionic libc runtime */
+ #undef TARGET_HAS_BIONIC
+ #define TARGET_HAS_BIONIC (OPTION_BIONIC)
+ 
+/* musl avoids problematic includes by rearranging the include directories.
+ * Unfortunately, this is mostly duplicated from cppdefault.c */
+#if DEFAULT_LIBC == LIBC_MUSL
+#define INCLUDE_DEFAULTS_MUSL_GPP			\
+    { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1,		\
+      GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },		\
+    { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1,		\
+      GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 },		\
+    { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1,	\
+      GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },
+
+#ifdef LOCAL_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_LOCAL			\
+    { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 },		\
+    { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 },
+#else
+#define INCLUDE_DEFAULTS_MUSL_LOCAL
+#endif
+
+#ifdef PREFIX_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_PREFIX			\
+    { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0},
+#else
+#define INCLUDE_DEFAULTS_MUSL_PREFIX
+#endif
+
+#ifdef CROSS_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_CROSS			\
+    { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0},
+#else
+#define INCLUDE_DEFAULTS_MUSL_CROSS
+#endif
+
+#ifdef TOOL_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_TOOL			\
+    { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0},
+#else
+#define INCLUDE_DEFAULTS_MUSL_TOOL
+#endif
+
+#ifdef NATIVE_SYSTEM_HEADER_DIR
+#define INCLUDE_DEFAULTS_MUSL_NATIVE			\
+    { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 },	\
+    { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 },
+#else
+#define INCLUDE_DEFAULTS_MUSL_NATIVE
+#endif
+
+#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
+# undef INCLUDE_DEFAULTS_MUSL_LOCAL
+# define INCLUDE_DEFAULTS_MUSL_LOCAL
+# undef INCLUDE_DEFAULTS_MUSL_NATIVE
+# define INCLUDE_DEFAULTS_MUSL_NATIVE
+#else
+# undef INCLUDE_DEFAULTS_MUSL_CROSS
+# define INCLUDE_DEFAULTS_MUSL_CROSS
+#endif
+
+#undef INCLUDE_DEFAULTS
+#define INCLUDE_DEFAULTS				\
+  {							\
+    INCLUDE_DEFAULTS_MUSL_GPP				\
+    INCLUDE_DEFAULTS_MUSL_PREFIX			\
+    INCLUDE_DEFAULTS_MUSL_CROSS				\
+    INCLUDE_DEFAULTS_MUSL_TOOL				\
+    INCLUDE_DEFAULTS_MUSL_NATIVE			\
+    { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 },		\
+    { 0, 0, 0, 0, 0, 0 }				\
+  }
+#endif
+
+ #if (DEFAULT_LIBC == LIBC_UCLIBC) && defined (SINGLE_LIBC) /* uClinux */
+ /* This is a *uclinux* target.  We don't define below macros to normal linux
+    versions, because doing so would require *uclinux* targets to include
+diff --git a/gcc/config/linux.opt b/gcc/config/linux.opt
+index c054338..ef055a7 100644
+--- a/gcc/config/linux.opt
+++ b/gcc/config/linux.opt
+@@ -28,5 +28,9 @@ Target Report RejectNegative Var(linux_libc,LIBC_GLIBC) Negative(muclibc)
+ Use GNU C library
+ 
+ muclibc
+-Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mbionic)
+Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mmusl)
+ Use uClibc C library
+
+mmusl
+Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mbionic)
+Use musl C library
+diff --git a/gcc/config/microblaze/linux.h b/gcc/config/microblaze/linux.h
+index 655a70f..a8a3f3e 100644
+--- a/gcc/config/microblaze/linux.h
+++ b/gcc/config/microblaze/linux.h
+@@ -28,10 +28,20 @@
+ #undef TLS_NEEDS_GOT
+ #define TLS_NEEDS_GOT 1
+ 
+-#define DYNAMIC_LINKER "/lib/ld.so.1"
+#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
+
+#if TARGET_BIG_ENDIAN_DEFAULT == 0 /* LE */
+#define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:;:el}"
+#else
+#define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:el}"
+#endif
+
+#undef MUSL_DYNAMIC_LINKER
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-microblaze" MUSL_DYNAMIC_LINKER_E ".so.1"
+
+ #undef  SUBTARGET_EXTRA_SPECS
+ #define SUBTARGET_EXTRA_SPECS \
+-  { "dynamic_linker", DYNAMIC_LINKER }
+  { "dynamic_linker", GNU_USER_DYNAMIC_LINKER }
+ 
+ #undef LINK_SPEC
+ #define LINK_SPEC "%{shared:-shared} \
+diff --git a/gcc/config/mips/linux.h b/gcc/config/mips/linux.h
+index 91df261..fb358e2 100644
+--- a/gcc/config/mips/linux.h
+++ b/gcc/config/mips/linux.h
+@@ -37,7 +37,13 @@ along with GCC; see the file COPYING3.  If not see
+ #define UCLIBC_DYNAMIC_LINKERN32 \
+   "%{mnan=2008:/lib32/ld-uClibc-mipsn8.so.0;:/lib32/ld-uClibc.so.0}"
+ 
+#undef MUSL_DYNAMIC_LINKER32
+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-mips%{EL:el}%{msoft-float:-sf}.so.1"
+#undef MUSL_DYNAMIC_LINKER64
+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-mips64%{EL:el}%{msoft-float:-sf}.so.1"
+#define MUSL_DYNAMIC_LINKERN32 "/lib/ld-musl-mipsn32%{EL:el}%{msoft-float:-sf}.so.1"
+
+ #define BIONIC_DYNAMIC_LINKERN32 "/system/bin/linker32"
+ #define GNU_USER_DYNAMIC_LINKERN32 \
+   CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \
+-                         BIONIC_DYNAMIC_LINKERN32)
+                         BIONIC_DYNAMIC_LINKERN32, MUSL_DYNAMIC_LINKERN32)
+diff --git a/gcc/config/rs6000/linux.h b/gcc/config/rs6000/linux.h
+index fe0ebd6..a68ff69 100644
+--- a/gcc/config/rs6000/linux.h
+++ b/gcc/config/rs6000/linux.h
+@@ -30,10 +30,14 @@
+ #define OPTION_GLIBC  (DEFAULT_LIBC == LIBC_GLIBC)
+ #define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC)
+ #define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC)
+#undef OPTION_MUSL
+#define OPTION_MUSL   (DEFAULT_LIBC == LIBC_MUSL)
+ #else
+ #define OPTION_GLIBC  (linux_libc == LIBC_GLIBC)
+ #define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
+ #define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
+#undef OPTION_MUSL
+#define OPTION_MUSL   (linux_libc == LIBC_MUSL)
+ #endif
+ 
+ /* Determine what functions are present at the runtime;
+diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h
+index 0879e7e..6a7d435 100644
+--- a/gcc/config/rs6000/linux64.h
+++ b/gcc/config/rs6000/linux64.h
+@@ -299,10 +299,14 @@ extern int dot_symbols;
+ #define OPTION_GLIBC  (DEFAULT_LIBC == LIBC_GLIBC)
+ #define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC)
+ #define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC)
+#undef OPTION_MUSL
+#define OPTION_MUSL   (DEFAULT_LIBC == LIBC_MUSL)
+ #else
+ #define OPTION_GLIBC  (linux_libc == LIBC_GLIBC)
+ #define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
+ #define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
+#undef OPTION_MUSL
+#define OPTION_MUSL   (linux_libc == LIBC_MUSL)
+ #endif
+ 
+ /* Determine what functions are present at the runtime;
+@@ -365,17 +369,23 @@ extern int dot_symbols;
+ #endif
+ #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
+ #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
+#define MUSL_DYNAMIC_LINKER32 \
+  "/lib/ld-musl-powerpc" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1"
+#define MUSL_DYNAMIC_LINKER64 \
+  "/lib/ld-musl-powerpc64" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1"
+ #if DEFAULT_LIBC == LIBC_UCLIBC
+-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
+ #elif DEFAULT_LIBC == LIBC_GLIBC
+-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
+#elif DEFAULT_LIBC == LIBC_MUSL
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
+ #else
+ #error "Unsupported DEFAULT_LIBC"
+ #endif
+ #define GNU_USER_DYNAMIC_LINKER32 \
+-  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
+  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32)
+ #define GNU_USER_DYNAMIC_LINKER64 \
+-  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
+  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64)
+ 
+ #undef  DEFAULT_ASM_ENDIAN
+ #if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
+diff --git a/gcc/config/rs6000/secureplt.h b/gcc/config/rs6000/secureplt.h
+index b463463..77edf2a 100644
+--- a/gcc/config/rs6000/secureplt.h
+++ b/gcc/config/rs6000/secureplt.h
+@@ -18,3 +18,4 @@ along with GCC; see the file COPYING3.  If not see
+ <http://www.gnu.org/licenses/>.  */
+ 
+ #define CC1_SECURE_PLT_DEFAULT_SPEC "-msecure-plt"
+#define LINK_SECURE_PLT_DEFAULT_SPEC "--secure-plt"
+diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h
+index 9917c2f..68365de 100644
+--- a/gcc/config/rs6000/sysv4.h
+++ b/gcc/config/rs6000/sysv4.h
+@@ -537,6 +537,9 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
+ #ifndef CC1_SECURE_PLT_DEFAULT_SPEC
+ #define CC1_SECURE_PLT_DEFAULT_SPEC ""
+ #endif
+#ifndef LINK_SECURE_PLT_DEFAULT_SPEC
+#define LINK_SECURE_PLT_DEFAULT_SPEC ""
+#endif
+ 
+ /* Pass -G xxx to the compiler.  */
+ #undef CC1_SPEC
+@@ -574,7 +577,8 @@
+ %{R*} \
+ %(link_shlib) \
+ %{!T*: %(link_start) } \
+-%(link_os)"
+%(link_os) \
+%{!mbss-plt: %{!msecure-plt: %(link_secure_plt_default)}}"
+ 
+ /* Shared libraries are not default.  */
+ #define LINK_SHLIB_SPEC "\
+@@ -762,17 +766,23 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
+ 
+ #define LINK_START_LINUX_SPEC ""
+ 
+#define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","")
+
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
+ #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#define MUSL_DYNAMIC_LINKER \
+  "/lib/ld-musl-powerpc" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1"
+ #if DEFAULT_LIBC == LIBC_UCLIBC
+-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
+#elif DEFAULT_LIBC == LIBC_MUSL
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
+ #elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
+-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
+ #else
+ #error "Unsupported DEFAULT_LIBC"
+ #endif
+ #define GNU_USER_DYNAMIC_LINKER \
+-  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
+  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER)
+ 
+ #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
+   %{rdynamic:-export-dynamic} \
+@@ -895,6 +905,7 @@ ncrtn.o%s"
+   { "link_os_openbsd",		LINK_OS_OPENBSD_SPEC },			\
+   { "link_os_default",		LINK_OS_DEFAULT_SPEC },			\
+   { "cc1_secure_plt_default",	CC1_SECURE_PLT_DEFAULT_SPEC },		\
+  { "link_secure_plt_default",	LINK_SECURE_PLT_DEFAULT_SPEC },		\
+   { "cpp_os_ads",		CPP_OS_ADS_SPEC },			\
+   { "cpp_os_yellowknife",	CPP_OS_YELLOWKNIFE_SPEC },		\
+   { "cpp_os_mvme",		CPP_OS_MVME_SPEC },			\
+@@ -949,3 +960,72 @@ ncrtn.o%s"
+ /* This target uses the sysv4.opt file.  */
+ #define TARGET_USES_SYSV4_OPT 1
+ 
+/* Include order changes for musl, same as in generic linux.h.  */
+#if DEFAULT_LIBC == LIBC_MUSL
+#define INCLUDE_DEFAULTS_MUSL_GPP			\
+    { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1,		\
+      GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },		\
+    { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1,		\
+      GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 },		\
+    { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1,	\
+      GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },
+
+#ifdef LOCAL_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_LOCAL			\
+    { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 },		\
+    { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 },
+#else
+#define INCLUDE_DEFAULTS_MUSL_LOCAL
+#endif
+
+#ifdef PREFIX_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_PREFIX			\
+    { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0},
+#else
+#define INCLUDE_DEFAULTS_MUSL_PREFIX
+#endif
+
+#ifdef CROSS_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_CROSS			\
+    { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0},
+#else
+#define INCLUDE_DEFAULTS_MUSL_CROSS
+#endif
+
+#ifdef TOOL_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_TOOL			\
+    { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0},
+#else
+#define INCLUDE_DEFAULTS_MUSL_TOOL
+#endif
+
+#ifdef NATIVE_SYSTEM_HEADER_DIR
+#define INCLUDE_DEFAULTS_MUSL_NATIVE			\
+    { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 },	\
+    { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 },
+#else
+#define INCLUDE_DEFAULTS_MUSL_NATIVE
+#endif
+
+#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
+# undef INCLUDE_DEFAULTS_MUSL_LOCAL
+# define INCLUDE_DEFAULTS_MUSL_LOCAL
+# undef INCLUDE_DEFAULTS_MUSL_NATIVE
+# define INCLUDE_DEFAULTS_MUSL_NATIVE
+#else
+# undef INCLUDE_DEFAULTS_MUSL_CROSS
+# define INCLUDE_DEFAULTS_MUSL_CROSS
+#endif
+
+#undef INCLUDE_DEFAULTS
+#define INCLUDE_DEFAULTS				\
+  {							\
+    INCLUDE_DEFAULTS_MUSL_GPP				\
+    INCLUDE_DEFAULTS_MUSL_PREFIX			\
+    INCLUDE_DEFAULTS_MUSL_CROSS				\
+    INCLUDE_DEFAULTS_MUSL_TOOL				\
+    INCLUDE_DEFAULTS_MUSL_NATIVE			\
+    { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 },		\
+    { 0, 0, 0, 0, 0, 0 }				\
+  }
+#endif
+diff --git a/gcc/config/rs6000/sysv4le.h b/gcc/config/rs6000/sysv4le.h
+index 7b1d6a1..064323c 100644
+--- a/gcc/config/rs6000/sysv4le.h
+++ b/gcc/config/rs6000/sysv4le.h
+@@ -35,3 +35,5 @@
+ /* Little-endian PowerPC64 Linux uses the ELF v2 ABI by default.  */
+ #define LINUX64_DEFAULT_ABI_ELFv2
+ 
+#undef MUSL_DYNAMIC_LINKER_E
+#define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","le")
+diff --git a/gcc/config/sh/linux.h b/gcc/config/sh/linux.h
+index 0f5d614..4c167c6 100644
+--- a/gcc/config/sh/linux.h
+++ b/gcc/config/sh/linux.h
+@@ -43,6 +43,29 @@ along with GCC; see the file COPYING3.  If not see
+ 
+ #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
+ 
+#if TARGET_ENDIAN_DEFAULT == MASK_LITTLE_ENDIAN
+#define MUSL_DYNAMIC_LINKER_E "%{mb:eb}"
+#else
+#define MUSL_DYNAMIC_LINKER_E "%{!ml:eb}"
+#endif
+
+#if TARGET_CPU_DEFAULT & ( MASK_HARD_SH2A_DOUBLE | MASK_SH4 )
+/* "-nofpu" if any nofpu option is specified */
+#define MUSL_DYNAMIC_LINKER_FP \
+  "%{m1|m2|m2a-nofpu|m3|m4-nofpu|m4-100-nofpu|m4-200-nofpu|m4-300-nofpu|" \
+  "m4-340|m4-400|m4-500|m4al|m5-32media-nofpu|m5-64media-nofpu|" \
+  "m5-compact-nofpu:-nofpu}"
+#else
+/* "-nofpu" if none of the hard fpu options are specified */
+#define MUSL_DYNAMIC_LINKER_FP \
+  "%{m2a|m4|m4-100|m4-200|m4-300|m4a|m5-32media|m5-64media|m5-compact:;:-nofpu}"
+#endif
+
+#undef MUSL_DYNAMIC_LINKER
+#define MUSL_DYNAMIC_LINKER \
+  "/lib/ld-musl-sh" MUSL_DYNAMIC_LINKER_E MUSL_DYNAMIC_LINKER_FP \
+  "%{mfdpic:-fdpic}.so.1"
+
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+ 
+ #undef SUBTARGET_LINK_EMUL_SUFFIX
+diff --git a/gcc/configure b/gcc/configure
+index 0037240..66aab9f 100755
+--- a/gcc/configure
+++ b/gcc/configure
+@@ -27742,6 +27742,9 @@ if test "${gcc_cv_libc_provides_ssp+set}" = set; then :
+ else
+   gcc_cv_libc_provides_ssp=no
+     case "$target" in
+       *-*-musl*)
+	 # All versions of musl provide stack protector
+	 gcc_cv_libc_provides_ssp=yes;;
+        *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu)
+       # glibc 2.4 and later provides __stack_chk_fail and
+       # either __stack_chk_guard, or TLS access to stack guard canary.
+@@ -27774,6 +27777,7 @@ fi
+ 	 # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now
+ 	 # simply assert that glibc does provide this, which is true for all
+ 	 # realistically usable GNU/Hurd configurations.
+	 # All supported versions of musl provide it as well
+ 	 gcc_cv_libc_provides_ssp=yes;;
+        *-*-darwin* | *-*-freebsd*)
+ 	 ac_fn_c_check_func "$LINENO" "__stack_chk_fail" "ac_cv_func___stack_chk_fail"
+@@ -27870,6 +27874,9 @@ case "$target" in
+       gcc_cv_target_dl_iterate_phdr=no
+     fi
+     ;;
+  *-linux-musl*)
+    gcc_cv_target_dl_iterate_phdr=yes
+    ;;
+ esac
+ 
+ if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
+diff --git a/gcc/configure.ac b/gcc/configure.ac
+index 6f38ba1..b81960c 100644
+--- a/gcc/configure.ac
+++ b/gcc/configure.ac
+@@ -5229,6 +5229,9 @@ AC_CACHE_CHECK(__stack_chk_fail in target C library,
+       gcc_cv_libc_provides_ssp,
+       [gcc_cv_libc_provides_ssp=no
+     case "$target" in
+       *-*-musl*)
+	 # All versions of musl provide stack protector
+	 gcc_cv_libc_provides_ssp=yes;;
+        *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu)
+       # glibc 2.4 and later provides __stack_chk_fail and
+       # either __stack_chk_guard, or TLS access to stack guard canary.
+@@ -5255,6 +5258,7 @@ AC_CACHE_CHECK(__stack_chk_fail in target C library,
+ 	 # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now
+ 	 # simply assert that glibc does provide this, which is true for all
+ 	 # realistically usable GNU/Hurd configurations.
+	 # All supported versions of musl provide it as well
+ 	 gcc_cv_libc_provides_ssp=yes;;
+        *-*-darwin* | *-*-freebsd*)
+ 	 AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes],
+@@ -5328,6 +5332,9 @@ case "$target" in
+       gcc_cv_target_dl_iterate_phdr=no
+     fi
+     ;;
+  *-linux-musl*)
+    gcc_cv_target_dl_iterate_phdr=yes
+    ;;
+ esac
+ GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR])
+ if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
+diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
+index f84a199..ee9765b 100644
+--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
+@@ -667,7 +667,7 @@ Objective-C and Objective-C++ Dialects}.
+ -mcpu=@var{cpu}}
+ 
+ @emph{GNU/Linux Options}
+-@gccoptlist{-mglibc -muclibc -mbionic -mandroid @gol
+@gccoptlist{-mglibc -muclibc -mmusl -mbionic -mandroid @gol
+ -tno-android-cc -tno-android-ld}
+ 
+ @emph{H8/300 Options}
+@@ -15324,13 +15324,19 @@ These @samp{-m} options are defined for GNU/Linux targets:
+ @item -mglibc
+ @opindex mglibc
+ Use the GNU C library.  This is the default except
+-on @samp{*-*-linux-*uclibc*} and @samp{*-*-linux-*android*} targets.
+on @samp{*-*-linux-*uclibc*}, @samp{*-*-linux-*musl*} and
+@samp{*-*-linux-*android*} targets.
+ 
+ @item -muclibc
+ @opindex muclibc
+ Use uClibc C library.  This is the default on
+ @samp{*-*-linux-*uclibc*} targets.
+ 
+@item -mmusl
+@opindex mmusl
+Use the musl C library.  This is the default on
+@samp{*-*-linux-*musl*} targets.
+
+ @item -mbionic
+ @opindex mbionic
+ Use Bionic C library.  This is the default on
+diff --git a/libcilkrts/runtime/os-unix.c b/libcilkrts/runtime/os-unix.c
+index cb582dd..e43d7d5 100644
+--- a/libcilkrts/runtime/os-unix.c
+++ b/libcilkrts/runtime/os-unix.c
+@@ -51,6 +51,7 @@
+ #if defined __linux__
+ #   include <sys/sysinfo.h>
+ #   include <sys/syscall.h>
+#   include <sched.h>
+ #elif defined __APPLE__
+ #   include <sys/sysctl.h>
+     // Uses sysconf(_SC_NPROCESSORS_ONLN) in verbose output
+@@ -400,28 +401,19 @@ COMMON_SYSDEP void __cilkrts_sleep(void)
+ 
+ COMMON_SYSDEP void __cilkrts_yield(void)
+ {
+-#if __APPLE__ || __FreeBSD__ || __VXWORKS__
+-    // On MacOS, call sched_yield to yield quantum.  I'm not sure why we
+-    // don't do this on Linux also.
+-    sched_yield();
+-#elif defined(__DragonFly__)
+-    // On DragonFly BSD, call sched_yield to yield quantum.
+-    sched_yield();
+-#elif defined(__MIC__)
+#if defined(__MIC__)
+     // On MIC, pthread_yield() really trashes things.  Arch's measurements
+     // showed that calling _mm_delay_32() (or doing nothing) was a better
+     // option.  Delaying 1024 clock cycles is a reasonable compromise between
+     // giving up the processor and latency starting up when work becomes
+     // available
+     _mm_delay_32(1024);
+-#elif defined(__ANDROID__) || (defined(__sun__) && defined(__svr4__))
+-    // On Android and Solaris, call sched_yield to yield quantum.  I'm not
+-    // sure why we don't do this on Linux also.
+-    sched_yield();
+-#else
+-    // On Linux, call pthread_yield (which in turn will call sched_yield)
+-    // to yield quantum.
+#elif defined(__sun__) && !defined(__svr4__)
+    // On old SunOS call pthread_yield to yield a quantum.
+     pthread_yield();
+#else
+    // On other platforms call sched_yield to yield a quantum.
+    sched_yield();
+ #endif
+ }
+ 
+diff --git a/libgcc/unwind-dw2-fde-dip.c b/libgcc/unwind-dw2-fde-dip.c
+index e1e566b..137dced 100644
+--- a/libgcc/unwind-dw2-fde-dip.c
+++ b/libgcc/unwind-dw2-fde-dip.c
+@@ -59,6 +59,12 @@
+ 
+ #if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+     && defined(TARGET_DL_ITERATE_PHDR) \
+    && defined(__linux__)
+# define USE_PT_GNU_EH_FRAME
+#endif
+
+#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+    && defined(TARGET_DL_ITERATE_PHDR) \
+     && (defined(__DragonFly__) || defined(__FreeBSD__))
+ # define ElfW __ElfN
+ # define USE_PT_GNU_EH_FRAME
+diff --git a/libgfortran/acinclude.m4 b/libgfortran/acinclude.m4
+index ba890f9..30b8b1a6 100644
+--- a/libgfortran/acinclude.m4
+++ b/libgfortran/acinclude.m4
+@@ -100,7 +100,7 @@ void foo (void);
+ 	      [Define to 1 if the target supports #pragma weak])
+   fi
+   case "$host" in
+-    *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* )
+    *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* | *-*-musl* )
+       AC_DEFINE(GTHREAD_USE_WEAK, 0,
+ 		[Define to 0 if the target shouldn't use #pragma weak])
+       ;;
+diff --git a/libgfortran/configure b/libgfortran/configure
+index e1592f7..07542e1 100755
+--- a/libgfortran/configure
+++ b/libgfortran/configure
+@@ -26447,7 +26447,7 @@ $as_echo "#define SUPPORTS_WEAK 1" >>confdefs.h
+ 
+   fi
+   case "$host" in
+-    *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* )
+    *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* | *-*-musl* )
+ 
+ $as_echo "#define GTHREAD_USE_WEAK 0" >>confdefs.h
+ 
+diff --git a/libitm/config/arm/hwcap.cc b/libitm/config/arm/hwcap.cc
+index a1c2cfd..ea8f023 100644
+--- a/libitm/config/arm/hwcap.cc
+++ b/libitm/config/arm/hwcap.cc
+@@ -40,7 +40,7 @@ int GTM_hwcap HIDDEN = 0
+ 
+ #ifdef __linux__
+ #include <unistd.h>
+-#include <sys/fcntl.h>
+#include <fcntl.h>
+ #include <elf.h>
+ 
+ static void __attribute__((constructor))
+diff --git a/libitm/config/linux/x86/tls.h b/libitm/config/linux/x86/tls.h
+index e731ab7..54ad8b6 100644
+--- a/libitm/config/linux/x86/tls.h
+++ b/libitm/config/linux/x86/tls.h
+@@ -25,16 +25,19 @@
+ #ifndef LIBITM_X86_TLS_H
+ #define LIBITM_X86_TLS_H 1
+ 
+-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10)
+#if defined(__GLIBC_PREREQ)
+#if __GLIBC_PREREQ(2, 10)
+ /* Use slots in the TCB head rather than __thread lookups.
+    GLIBC has reserved words 10 through 13 for TM.  */
+ #define HAVE_ARCH_GTM_THREAD 1
+ #define HAVE_ARCH_GTM_THREAD_DISP 1
+ #endif
+#endif
+ 
+ #include "config/generic/tls.h"
+ 
+-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10)
+#if defined(__GLIBC_PREREQ)
+#if __GLIBC_PREREQ(2, 10)
+ namespace GTM HIDDEN {
+ 
+ #ifdef __x86_64__
+@@ -101,5 +104,6 @@ static inline void set_abi_disp(struct abi_dispatch *x)
+ 
+ } // namespace GTM
+ #endif /* >= GLIBC 2.10 */
+#endif
+ 
+ #endif // LIBITM_X86_TLS_H
+diff --git a/libstdc++-v3/config/os/generic/os_defines.h b/libstdc++-v3/config/os/generic/os_defines.h
+index 45bf52a..103ec0e 100644
+--- a/libstdc++-v3/config/os/generic/os_defines.h
+++ b/libstdc++-v3/config/os/generic/os_defines.h
+@@ -33,4 +33,9 @@
+ // System-specific #define, typedefs, corrections, etc, go here.  This
+ // file will come before all others.
+ 
+// Disable the weak reference logic in gthr.h for os/generic because it
+// is broken on every platform unless there is implementation specific
+// workaround in gthr-posix.h and at link-time for static linking.
+#define _GLIBCXX_GTHREAD_USE_WEAK 0
+
+ #endif
+diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host
+index 640199c..106134e 100644
+--- a/libstdc++-v3/configure.host
+++ b/libstdc++-v3/configure.host
+@@ -273,6 +273,9 @@ case "${host_os}" in
+   freebsd*)
+     os_include_dir="os/bsd/freebsd"
+     ;;
+  linux-musl*)
+    os_include_dir="os/generic"
+    ;;
+   gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
+     if [ "$uclibc" = "yes" ]; then
+       os_include_dir="os/uclibc"
--- a/patches/gcc-5.3.0/0002-pr66609.diff
+++ b/patches/gcc-5.3.0/0002-pr66609.diff
@ -0,0 +1,138 @@
+--- a/gcc/config/sh/sh-protos.h	
+++ a/gcc/config/sh/sh-protos.h	
+@@ -159,6 +159,7 @@ extern int sh_eval_treg_value (rtx op);
+ extern HOST_WIDE_INT sh_disp_addr_displacement (rtx mem_op);
+ extern int sh_max_mov_insn_displacement (machine_mode mode, bool consider_sh2a);
+ extern bool sh_movsf_ie_ra_split_p (rtx, rtx, rtx);
+extern void sh_expand_sym_label2reg (rtx, rtx, rtx, bool);
+ 
+ /* Result value of sh_find_set_of_reg.  */
+ struct set_of_reg
+--- a/gcc/config/sh/sh.c	
+++ a/gcc/config/sh/sh.c	
+@@ -1604,6 +1604,10 @@ sh_asm_output_addr_const_extra (FILE *file, rtx x)
+ 	  output_addr_const (file, XVECEXP (x, 0, 0));
+ 	  fputs ("@GOTPLT", file);
+ 	  break;
+	case UNSPEC_PCREL:
+	  output_addr_const (file, XVECEXP (x, 0, 0));
+	  fputs ("@PCREL", file);
+	  break;
+ 	case UNSPEC_DTPOFF:
+ 	  output_addr_const (file, XVECEXP (x, 0, 0));
+ 	  fputs ("@DTPOFF", file);
+@@ -10441,6 +10445,7 @@ nonpic_symbol_mentioned_p (rtx x)
+ 	  || XINT (x, 1) == UNSPEC_DTPOFF
+ 	  || XINT (x, 1) == UNSPEC_TPOFF
+ 	  || XINT (x, 1) == UNSPEC_PLT
+	  || XINT (x, 1) == UNSPEC_PCREL
+ 	  || XINT (x, 1) == UNSPEC_SYMOFF
+ 	  || XINT (x, 1) == UNSPEC_PCREL_SYMOFF))
+     return false;
+@@ -10714,7 +10719,8 @@ sh_delegitimize_address (rtx orig_x)
+ 		  rtx symplt = XEXP (XVECEXP (y, 0, 0), 0);
+ 
+ 		  if (GET_CODE (symplt) == UNSPEC
+-		      && XINT (symplt, 1) == UNSPEC_PLT)
+		      && (XINT (symplt, 1) == UNSPEC_PLT
+			  || XINT (symplt, 1) == UNSPEC_PCREL))
+ 		    return XVECEXP (symplt, 0, 0);
+ 		}
+ 	    }
+@@ -11702,9 +11708,24 @@ sh_function_ok_for_sibcall (tree decl, tree exp ATTRIBUTE_UNUSED)
+ 	      || crtl->args.info.stack_regs == 0)
+ 	  && ! sh_cfun_interrupt_handler_p ()
+ 	  && (! flag_pic
+-	      || (decl && ! TREE_PUBLIC (decl))
+	      || (decl && ! (TREE_PUBLIC (decl) || DECL_WEAK (decl)))
+ 	      || (decl && DECL_VISIBILITY (decl) != VISIBILITY_DEFAULT)));
+ }
+
+/* Expand to appropriate sym*_label2reg for SYM and SIBCALL_P.  */
+void
+sh_expand_sym_label2reg (rtx reg, rtx sym, rtx lab, bool sibcall_p)
+{
+  const_tree decl = SYMBOL_REF_DECL (sym);
+  bool is_weak = (decl && DECL_P (decl) && DECL_WEAK (decl));
+
+  if (!is_weak && SYMBOL_REF_LOCAL_P (sym))
+    emit_insn (gen_sym_label2reg (reg, sym, lab));
+  else if (sibcall_p)
+    emit_insn (gen_symPCREL_label2reg (reg, sym, lab));
+  else
+    emit_insn (gen_symPLT_label2reg (reg, sym, lab));
+}
+ 
+ /* Machine specific built-in functions.  */
+ 
+--- a/gcc/config/sh/sh.md	
+++ a/gcc/config/sh/sh.md	
+@@ -135,6 +135,7 @@ 
+   UNSPEC_PLT
+   UNSPEC_CALLER
+   UNSPEC_GOTPLT
+  UNSPEC_PCREL
+   UNSPEC_ICACHE
+   UNSPEC_INIT_TRAMP
+   UNSPEC_FCOSA
+@@ -9470,11 +9471,8 @@ label:
+   [(const_int 0)]
+ {
+   rtx lab = PATTERN (gen_call_site ());
+-
+-  if (SYMBOL_REF_LOCAL_P (operands[0]))
+-    emit_insn (gen_sym_label2reg (operands[2], operands[0], lab));
+-  else
+-    emit_insn (gen_symPLT_label2reg (operands[2], operands[0], lab));
+  
+  sh_expand_sym_label2reg (operands[2], operands[0], lab, false);
+   emit_call_insn (gen_calli_pcrel (operands[2], operands[1], copy_rtx (lab)));
+   DONE;
+ }
+@@ -9605,10 +9603,7 @@ label:
+ {
+   rtx lab = PATTERN (gen_call_site ());
+ 
+-  if (SYMBOL_REF_LOCAL_P (operands[1]))
+-    emit_insn (gen_sym_label2reg (operands[3], operands[1], lab));
+-  else
+-    emit_insn (gen_symPLT_label2reg (operands[3], operands[1], lab));
+  sh_expand_sym_label2reg (operands[3], operands[1], lab, false);
+   emit_call_insn (gen_call_valuei_pcrel (operands[0], operands[3],
+ 					 operands[2], copy_rtx (lab)));
+   DONE;
+@@ -10008,7 +10003,7 @@ label:
+   rtx lab = PATTERN (gen_call_site ());
+   rtx call_insn;
+ 
+-  emit_insn (gen_sym_label2reg (operands[2], operands[0], lab));
+  sh_expand_sym_label2reg (operands[2], operands[0], lab, true);
+   call_insn = emit_call_insn (gen_sibcalli_pcrel (operands[2], operands[1],
+ 						  copy_rtx (lab)));
+   SIBLING_CALL_P (call_insn) = 1;
+@@ -10200,7 +10195,7 @@ label:
+   rtx lab = PATTERN (gen_call_site ());
+   rtx call_insn;
+ 
+-  emit_insn (gen_sym_label2reg (operands[3], operands[1], lab));
+  sh_expand_sym_label2reg (operands[3], operands[1], lab, true);
+   call_insn = emit_call_insn (gen_sibcall_valuei_pcrel (operands[0],
+ 							operands[3],
+ 							operands[2],
+@@ -10748,6 +10743,16 @@ label:
+ 			     UNSPEC_SYMOFF)))]
+   "TARGET_SH1" "")
+ 
+(define_expand "symPCREL_label2reg"
+  [(set (match_operand:SI 0 "" "")
+	(const:SI
+	 (unspec:SI
+	  [(const:SI (unspec:SI [(match_operand:SI 1 "" "")] UNSPEC_PCREL))
+	   (const:SI (plus:SI (match_operand:SI 2 "" "")
+			      (const_int 2)))] UNSPEC_PCREL_SYMOFF)))]
+  "TARGET_SH1"
+  "")
+
+ (define_expand "symGOT_load"
+   [(set (match_dup 2) (match_operand 1 "" ""))
+    (set (match_dup 3) (plus (match_dup 2) (reg PIC_REG)))
--- a/patches/gcc-5.3.0/0003-shbitrot.diff
+++ b/patches/gcc-5.3.0/0003-shbitrot.diff
@ -0,0 +1,33 @@
+--- gcc-5.2.0.orig/gcc/config.gcc
+++ gcc-5.2.0/gcc/config.gcc
+@@ -4096,7 +4099,7 @@
+ 		esac
+ 		;;
+ 
+-	sh[123456ble]-*-* | sh-*-*)
+	sh[123456ble]*-*-* | sh-*-*)
+ 		supported_defaults="cpu"
+ 		case "`echo $with_cpu | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ_ abcdefghijklmnopqrstuvwxyz- | sed s/sh/m/`" in
+ 		"" | m1 | m2 | m2e | m3 | m3e | m4 | m4-single | m4-single-only | m4-nofpu )
+--- gcc-5.2.0.base/gcc/configure.ac	2015-08-11 16:23:36.000000000 +0000
+++ gcc-5.2.0/gcc/configure.ac	2015-09-13 08:17:31.714972082 +0000
+@@ -3300,7 +3300,7 @@
+ 	tls_first_minor=14
+ 	tls_as_opt="-m64 -Aesame --fatal-warnings"
+ 	;;
+-  sh-*-* | sh[34]-*-*)
+  sh-*-* | sh[123456789lbe]*-*-*)
+     conftest_s='
+ 	.section ".tdata","awT",@progbits
+ foo:	.long	25
+--- gcc-5.2.0.base/gcc/configure	2015-08-11 16:23:35.000000000 +0000
+++ gcc-5.2.0/gcc/configure	2015-09-13 08:17:42.608304751 +0000
+@@ -23754,7 +23754,7 @@
+ 	tls_first_minor=14
+ 	tls_as_opt="-m64 -Aesame --fatal-warnings"
+ 	;;
+-  sh-*-* | sh[34]-*-*)
+  sh-*-* | sh[123456789lbe]*-*-*)
+     conftest_s='
+ 	.section ".tdata","awT",@progbits
+ foo:	.long	25
--- a/patches/gcc-5.3.0/0004-j2.diff
+++ b/patches/gcc-5.3.0/0004-j2.diff
@ -0,0 +1,349 @@
+diff --git a/gcc/config.gcc b/gcc/config.gcc
+index 0f2dc32..a3d0d45 100644
+--- a/gcc/config.gcc
+++ b/gcc/config.gcc
+@@ -467,7 +467,7 @@ s390*-*-*)
+ 	extra_headers="s390intrin.h htmintrin.h htmxlintrin.h vecintrin.h"
+ 	;;
+ # Note the 'l'; we need to be able to match e.g. "shle" or "shl".
+-sh[123456789lbe]*-*-* | sh-*-*)
+sh[123456789lbej]*-*-* | sh-*-*)
+ 	cpu_type=sh
+ 	extra_options="${extra_options} fused-madd.opt"
+ 	extra_objs="${extra_objs} sh_treg_combine.o sh-mem.o sh_optimize_sett_clrt.o"
+@@ -2601,19 +2601,19 @@ s390x-ibm-tpf*)
+ 	extra_options="${extra_options} s390/tpf.opt"
+ 	tmake_file="${tmake_file} s390/t-s390"
+ 	;;
+-sh-*-elf* | sh[12346l]*-*-elf* | \
+-  sh-*-linux* | sh[2346lbe]*-*-linux* | \
+sh-*-elf* | sh[12346lj]*-*-elf* | \
+  sh-*-linux* | sh[2346lbej]*-*-linux* | \
+   sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* | sh5l*-*-netbsd* | \
+   sh64-*-netbsd* | sh64l*-*-netbsd*)
+ 	tmake_file="${tmake_file} sh/t-sh sh/t-elf"
+ 	if test x${with_endian} = x; then
+ 		case ${target} in
+-		sh[1234]*be-*-* | sh[1234]*eb-*-*) with_endian=big ;;
+		sh[j1234]*be-*-* | sh[j1234]*eb-*-*) with_endian=big ;;
+ 		shbe-*-* | sheb-*-*)		   with_endian=big,little ;;
+ 		sh[1234]l* | sh[34]*-*-linux*)	   with_endian=little ;;
+ 		shl* | sh64l* | sh*-*-linux* | \
+ 		  sh5l* | sh-superh-elf)	   with_endian=little,big ;;
+-		sh[1234]*-*-*)			   with_endian=big ;;
+		sh[j1234]*-*-*)			   with_endian=big ;;
+ 		*)				   with_endian=big,little ;;
+ 		esac
+ 	fi
+@@ -2703,6 +2703,7 @@ sh-*-elf* | sh[12346l]*-*-elf* | \
+ 	sh2a_nofpu*)		sh_cpu_target=sh2a-nofpu ;;
+ 	sh2a*)			sh_cpu_target=sh2a ;;
+ 	sh2e*)			sh_cpu_target=sh2e ;;
+	shj2*)			sh_cpu_target=shj2;;
+ 	sh2*)			sh_cpu_target=sh2 ;;
+ 	*)			sh_cpu_target=sh1 ;;
+ 	esac
+@@ -2727,7 +2728,7 @@ sh-*-elf* | sh[12346l]*-*-elf* | \
+ 	  sh2a-single-only | sh2a-single | sh2a-nofpu | sh2a | \
+ 	  sh4a-single-only | sh4a-single | sh4a-nofpu | sh4a | sh4al | \
+ 	  sh4-single-only | sh4-single | sh4-nofpu | sh4 | sh4-300 | \
+-	  sh3e | sh3 | sh2e | sh2 | sh1) ;;
+	  sh3e | sh3 | sh2e | sh2 | sh1 | shj2) ;;
+ 	"")	sh_cpu_default=${sh_cpu_target} ;;
+ 	*)	echo "with_cpu=$with_cpu not supported"; exit 1 ;;
+ 	esac
+@@ -2738,9 +2739,9 @@ sh-*-elf* | sh[12346l]*-*-elf* | \
+ 		sh[1234]*)	sh_multilibs=${sh_cpu_target} ;;
+ 		sh64* | sh5*)	sh_multilibs=m5-32media,m5-32media-nofpu,m5-compact,m5-compact-nofpu,m5-64media,m5-64media-nofpu ;;
+ 		sh-superh-*)	sh_multilibs=m4,m4-single,m4-single-only,m4-nofpu ;;
+-		sh*-*-linux*)	sh_multilibs=m1,m2,m2a,m3e,m4 ;;
+		sh*-*-linux*)	sh_multilibs=m1,m2,m2a,m3e,m4,mj2 ;;
+ 		sh*-*-netbsd*)	sh_multilibs=m3,m3e,m4 ;;
+-		*) sh_multilibs=m1,m2,m2e,m4,m4-single,m4-single-only,m2a,m2a-single ;;
+		*) sh_multilibs=m1,m2,m2e,m4,m4-single,m4-single-only,m2a,m2a-single,mj2 ;;
+ 		esac
+ 		if test x$with_fp = xno; then
+ 			sh_multilibs="`echo $sh_multilibs|sed -e s/m4/sh4-nofpu/ -e s/,m4-[^,]*//g -e s/,m[23]e// -e s/m2a,m2a-single/m2a-nofpu/ -e s/m5-..m....,//g`"
+@@ -2758,7 +2759,8 @@ sh-*-elf* | sh[12346l]*-*-elf* | \
+ 		m2a | m2a-single | m2a-single-only | m2a-nofpu | \
+ 		m5-64media | m5-64media-nofpu | \
+ 		m5-32media | m5-32media-nofpu | \
+-		m5-compact | m5-compact-nofpu)
+		m5-compact | m5-compact-nofpu | \
+		mj2)
+ 			# TM_MULTILIB_CONFIG is used by t-sh for the non-endian multilib definition
+ 			# It is passed to MULTIILIB_OPTIONS verbatim.
+ 			TM_MULTILIB_CONFIG="${TM_MULTILIB_CONFIG}/${sh_multilib}"
+@@ -2775,7 +2777,7 @@ sh-*-elf* | sh[12346l]*-*-elf* | \
+ 	done
+ 	TM_MULTILIB_CONFIG=`echo $TM_MULTILIB_CONFIG | sed 's:^/::'`
+ 	if test x${enable_incomplete_targets} = xyes ; then
+-		tm_defines="$tm_defines SUPPORT_SH1=1 SUPPORT_SH2E=1 SUPPORT_SH4=1 SUPPORT_SH4_SINGLE=1 SUPPORT_SH2A=1 SUPPORT_SH2A_SINGLE=1 SUPPORT_SH5_32MEDIA=1 SUPPORT_SH5_32MEDIA_NOFPU=1 SUPPORT_SH5_64MEDIA=1 SUPPORT_SH5_64MEDIA_NOFPU=1"
+		tm_defines="$tm_defines SUPPORT_SH1=1 SUPPORT_SH2E=1 SUPPORT_SH4=1 SUPPORT_SH4_SINGLE=1 SUPPORT_SH2A=1 SUPPORT_SH2A_SINGLE=1 SUPPORT_SH5_32MEDIA=1 SUPPORT_SH5_32MEDIA_NOFPU=1 SUPPORT_SH5_64MEDIA=1 SUPPORT_SH5_64MEDIA_NOFPU=1 SUPPORT_SHJ2=1"
+ 	fi
+ 	tm_file="$tm_file ./sysroot-suffix.h"
+ 	tmake_file="$tmake_file t-sysroot-suffix"
+@@ -4106,6 +4109,8 @@
+ 			;;
+ 		m4a | m4a-single | m4a-single-only | m4a-nofpu | m4al)
+ 		        ;;
+		mj2)
+			;;
+ 		*)
+ 			echo "Unknown CPU used in --with-cpu=$with_cpu, known values:"  1>&2
+ 			echo "m1 m2 m2e m3 m3e m4 m4-single m4-single-only m4-nofpu" 1>&2
+@@ -4456,7 +4458,7 @@ case ${target} in
+ 		tmake_file="rs6000/t-rs6000 ${tmake_file}"
+ 		;;
+ 
+-	sh[123456ble]*-*-* | sh-*-*)
+	sh[123456blej]*-*-* | sh-*-*)
+ 		c_target_objs="${c_target_objs} sh-c.o"
+ 		cxx_target_objs="${cxx_target_objs} sh-c.o"
+ 		;;
+diff --git a/gcc/config/sh/sh-protos.h b/gcc/config/sh/sh-protos.h
+index b08120d..63b77fa 100644
+--- a/gcc/config/sh/sh-protos.h
+++ b/gcc/config/sh/sh-protos.h
+@@ -45,6 +45,7 @@ struct sh_atomic_model
+     hard_llcs,
+     soft_tcb,
+     soft_imask,
+    hard_cas,
+ 
+     num_models
+   };
+@@ -88,6 +89,9 @@ extern const sh_atomic_model& selected_atomic_model (void);
+ #define TARGET_ATOMIC_SOFT_IMASK \
+   (selected_atomic_model ().type == sh_atomic_model::soft_imask)
+ 
+#define TARGET_ATOMIC_HARD_CAS \
+  (selected_atomic_model ().type == sh_atomic_model::hard_cas)
+
+ #ifdef RTX_CODE
+ extern rtx sh_fsca_sf2int (void);
+ extern rtx sh_fsca_int2sf (void);
+diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
+index 0b18ce5..bdf96e2 100644
+--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
+@@ -692,6 +692,7 @@ parse_validate_atomic_model_option (const char* str)
+   model_names[sh_atomic_model::hard_llcs] = "hard-llcs";
+   model_names[sh_atomic_model::soft_tcb] = "soft-tcb";
+   model_names[sh_atomic_model::soft_imask] = "soft-imask";
+  model_names[sh_atomic_model::hard_cas] = "hard-cas";
+ 
+   const char* model_cdef_names[sh_atomic_model::num_models];
+   model_cdef_names[sh_atomic_model::none] = "NONE";
+@@ -699,6 +700,7 @@ parse_validate_atomic_model_option (const char* str)
+   model_cdef_names[sh_atomic_model::hard_llcs] = "HARD_LLCS";
+   model_cdef_names[sh_atomic_model::soft_tcb] = "SOFT_TCB";
+   model_cdef_names[sh_atomic_model::soft_imask] = "SOFT_IMASK";
+  model_cdef_names[sh_atomic_model::hard_cas] = "HARD_CAS";
+ 
+   sh_atomic_model ret;
+   ret.type = sh_atomic_model::none;
+@@ -780,6 +782,9 @@ got_mode_name:;
+   if (ret.type == sh_atomic_model::soft_imask && TARGET_USERMODE)
+     err_ret ("cannot use atomic model %s in user mode", ret.name);
+ 
+  if (ret.type == sh_atomic_model::hard_cas && !TARGET_SHJ2)
+    err_ret ("atomic model %s is only available J2 targets", ret.name);
+
+   return ret;
+ 
+ #undef err_ret
+@@ -845,6 +850,8 @@ sh_option_override (void)
+     sh_cpu = PROCESSOR_SH2E;
+   if (TARGET_SH2A)
+     sh_cpu = PROCESSOR_SH2A;
+  if (TARGET_SHJ2)
+    sh_cpu = PROCESSOR_SHJ2;
+   if (TARGET_SH3)
+     sh_cpu = PROCESSOR_SH3;
+   if (TARGET_SH3E)
+diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h
+index 7187c23..9d0d1d0 100644
+--- a/gcc/config/sh/sh.h
+++ b/gcc/config/sh/sh.h
+@@ -106,6 +106,7 @@ extern int code_for_indirect_jump_scratch;
+ #define SUPPORT_SH4_SINGLE 1
+ #define SUPPORT_SH2A 1
+ #define SUPPORT_SH2A_SINGLE 1
+#define SUPPORT_SHJ2 1
+ #endif
+ 
+ #define TARGET_DIVIDE_INV \
+@@ -157,6 +158,7 @@ extern int code_for_indirect_jump_scratch;
+ #define SELECT_SH5_32MEDIA_NOFPU (MASK_SH5 | MASK_SH_E)
+ #define SELECT_SH5_COMPACT	 (MASK_SH5 | MASK_SH4 | SELECT_SH3E)
+ #define SELECT_SH5_COMPACT_NOFPU (MASK_SH5 | SELECT_SH3)
+#define SELECT_SHJ2		 (MASK_SHJ2 | SELECT_SH2)
+ 
+ #if SUPPORT_SH1
+ #define SUPPORT_SH2 1
+@@ -164,6 +166,7 @@ extern int code_for_indirect_jump_scratch;
+ #if SUPPORT_SH2
+ #define SUPPORT_SH3 1
+ #define SUPPORT_SH2A_NOFPU 1
+#define SUPPORT_SHJ2 1
+ #endif
+ #if SUPPORT_SH3
+ #define SUPPORT_SH4_NOFPU 1
+@@ -211,7 +214,7 @@ extern int code_for_indirect_jump_scratch;
+ #define MASK_ARCH (MASK_SH1 | MASK_SH2 | MASK_SH3 | MASK_SH_E | MASK_SH4 \
+ 		   | MASK_HARD_SH2A | MASK_HARD_SH2A_DOUBLE | MASK_SH4A \
+ 		   | MASK_HARD_SH4 | MASK_FPU_SINGLE | MASK_SH5 \
+-		   | MASK_FPU_SINGLE_ONLY)
+		   | MASK_FPU_SINGLE_ONLY | MASK_SHJ2)
+ 
+ /* This defaults us to big-endian.  */
+ #ifndef TARGET_ENDIAN_DEFAULT
+@@ -289,8 +292,8 @@ extern int code_for_indirect_jump_scratch;
+ %{m5-compact*:--isa=SHcompact} \
+ %{m5-32media*:--isa=SHmedia --abi=32} \
+ %{m5-64media*:--isa=SHmedia --abi=64} \
+-%{m4al:-dsp} %{mcut2-workaround:-cut2-workaround}"
+-
+%{m4al:-dsp} %{mcut2-workaround:-cut2-workaround} \
+%{mj2:-isa=j2}"
+ #define ASM_SPEC SH_ASM_SPEC
+ 
+ #ifndef SUBTARGET_ASM_ENDIAN_SPEC
+@@ -1853,7 +1856,7 @@ struct sh_args {
+ 
+ /* Nonzero if the target supports dynamic shift instructions
+    like shad and shld.  */
+-#define TARGET_DYNSHIFT (TARGET_SH3 || TARGET_SH2A)
+#define TARGET_DYNSHIFT (TARGET_SH3 || TARGET_SH2A || TARGET_SHJ2)
+ 
+ /* The cost of using the dynamic shift insns (shad, shld) are the same
+    if they are available.  If they are not available a library function will
+@@ -2185,6 +2188,7 @@ enum processor_type {
+   PROCESSOR_SH2,
+   PROCESSOR_SH2E,
+   PROCESSOR_SH2A,
+  PROCESSOR_SHJ2,
+   PROCESSOR_SH3,
+   PROCESSOR_SH3E,
+   PROCESSOR_SH4,
+diff --git a/gcc/config/sh/sh.opt b/gcc/config/sh/sh.opt
+index 1026c73..bac47ed 100644
+--- a/gcc/config/sh/sh.opt
+++ b/gcc/config/sh/sh.opt
+@@ -71,6 +71,10 @@ m2e
+ Target RejectNegative Condition(SUPPORT_SH2E)
+ Generate SH2e code.
+ 
+mj2
+Target RejectNegative Mask(SHJ2) Condition(SUPPORT_SHJ2)
+Generate J2 code.
+
+ m3
+ Target RejectNegative Mask(SH3) Condition(SUPPORT_SH3)
+ Generate SH3 code.
+diff --git a/gcc/config/sh/sync.md b/gcc/config/sh/sync.md
+index 6f1337b..cff57b8 100644
+--- a/gcc/config/sh/sync.md
+++ b/gcc/config/sh/sync.md
+@@ -240,6 +240,9 @@
+       || (TARGET_SH4A && <MODE>mode == SImode && !TARGET_ATOMIC_STRICT))
+     atomic_insn = gen_atomic_compare_and_swap<mode>_hard (old_val, mem,
+ 							  exp_val, new_val);
+  else if (TARGET_ATOMIC_HARD_CAS && <MODE>mode == SImode)
+    atomic_insn = gen_atomic_compare_and_swap<mode>_cas (old_val, mem,
+							 exp_val, new_val);
+   else if (TARGET_ATOMIC_SOFT_GUSA)
+     atomic_insn = gen_atomic_compare_and_swap<mode>_soft_gusa (old_val, mem,
+ 		      exp_val, new_val);
+@@ -306,6 +309,57 @@
+ }
+   [(set_attr "length" "14")])
+ 
+(define_expand "atomic_compare_and_swapsi_cas"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(unspec_volatile:SI
+	  [(match_operand:SI 1 "atomic_mem_operand_0" "=Sra")
+	   (match_operand:SI 2 "register_operand" "r")
+	   (match_operand:SI 3 "register_operand" "r")]
+	  UNSPECV_CMPXCHG_1))]
+  "TARGET_ATOMIC_HARD_CAS"
+{
+  rtx mem = gen_rtx_REG (SImode, 0);
+  emit_move_insn (mem, force_reg (SImode, XEXP (operands[1], 0)));
+  emit_insn (gen_shj2_cas (operands[0], mem, operands[2], operands[3]));
+  DONE;
+})
+
+(define_insn "shj2_cas"
+  [(set (match_operand:SI 0 "register_operand" "=&r")
+  (unspec_volatile:SI
+   [(match_operand:SI 1 "register_operand" "=r")
+   (match_operand:SI 2 "register_operand" "r")
+   (match_operand:SI 3 "register_operand" "0")]
+   UNSPECV_CMPXCHG_1))
+   (set (reg:SI T_REG)
+	(unspec_volatile:SI [(const_int 0)] UNSPECV_CMPXCHG_3))]
+  "TARGET_ATOMIC_HARD_CAS"
+  "cas.l	%2,%0,@%1"
+  [(set_attr "length" "2")]
+)
+
+(define_expand "atomic_compare_and_swapqi_cas"
+  [(set (match_operand:SI 0 "arith_reg_dest" "=&r")
+	(unspec_volatile:SI
+	  [(match_operand:SI 1 "atomic_mem_operand_0" "=Sra")
+	   (match_operand:SI 2 "arith_operand" "rI08")
+	   (match_operand:SI 3 "arith_operand" "rI08")]
+	  UNSPECV_CMPXCHG_1))]
+  "TARGET_ATOMIC_HARD_CAS"
+{FAIL;}
+)
+
+(define_expand "atomic_compare_and_swaphi_cas"
+  [(set (match_operand:SI 0 "arith_reg_dest" "=&r")
+	(unspec_volatile:SI
+	  [(match_operand:SI 1 "atomic_mem_operand_0" "=Sra")
+	   (match_operand:SI 2 "arith_operand" "rI08")
+	   (match_operand:SI 3 "arith_operand" "rI08")]
+	  UNSPECV_CMPXCHG_1))]
+  "TARGET_ATOMIC_HARD_CAS"
+{FAIL;}
+)
+
+ ;; The QIHImode llcs patterns modify the address register of the memory
+ ;; operand.  In order to express that, we have to open code the memory
+ ;; operand.  Initially the insn is expanded like every other atomic insn
+diff --git a/gcc/config/sh/t-sh b/gcc/config/sh/t-sh
+index 348cc0b..8e6bdaf 100644
+--- a/gcc/config/sh/t-sh
+++ b/gcc/config/sh/t-sh
+@@ -52,7 +52,7 @@ MULTILIB_MATCHES = $(shell \
+              m4-single,m4-100-single,m4-200-single,m4-300-single,m4a-single \
+              m4,m4-100,m4-200,m4-300,m4a \
+              m5-32media,m5-compact,m5-32media \
+-             m5-32media-nofpu,m5-compact-nofpu,m5-32media-nofpu; do \
+             m5-32media-nofpu,m5-compact-nofpu,m5-32media-nofpu,mj2; do \
+     subst= ; \
+     for lib in `echo $$abi|tr , ' '` ; do \
+       if test "`echo $$multilibs|sed s/$$lib//`" != "$$multilibs"; then \
+@@ -65,9 +65,9 @@ MULTILIB_MATCHES = $(shell \
+ 
+ # SH1 and SH2A support big endian only.
+ ifeq ($(DEFAULT_ENDIAN),ml)
+-MULTILIB_EXCEPTIONS = m1 ml/m1 m2a* ml/m2a* $(TM_MULTILIB_EXCEPTIONS_CONFIG)
+MULTILIB_EXCEPTIONS = m1 ml/m1 m2a* ml/m2a* ml/mj2 $(TM_MULTILIB_EXCEPTIONS_CONFIG)
+ else
+-MULTILIB_EXCEPTIONS = ml/m1 ml/m2a* $(TM_MULTILIB_EXCEPTIONS_CONFIG)
+MULTILIB_EXCEPTIONS = ml/m1 ml/m2a* ml/mj2 $(TM_MULTILIB_EXCEPTIONS_CONFIG)
+ endif
+ 
+ MULTILIB_OSDIRNAMES = \
+@@ -96,6 +96,7 @@ MULTILIB_OSDIRNAMES = \
+ 	m5-compact-nofpu=!m5-compact-nofpu $(OTHER_ENDIAN)/m5-compact-nofpu=!$(OTHER_ENDIAN)/m5-compact-nofpu \
+ 	m5-64media=!m5-64media $(OTHER_ENDIAN)/m5-64media=!$(OTHER_ENDIAN)/m5-64media \
+ 	m5-64media-nofpu=!m5-64media-nofpu $(OTHER_ENDIAN)/m5-64media-nofpu=!$(OTHER_ENDIAN)/m5-64media-nofpu
+	mj2=!j2
+ 
+ $(out_object_file): gt-sh.h
+ gt-sh.h : s-gtype ; @true
--- a/patches/gcc-5.3.0/0005-staticpie.diff
+++ b/patches/gcc-5.3.0/0005-staticpie.diff
@ -0,0 +1,24 @@
+--- gcc-5.2.0.orig/gcc/config/gnu-user.h	2015-01-05 12:33:28.000000000 +0000
+++ gcc-5.2.0/gcc/config/gnu-user.h	2015-08-25 08:15:18.354957759 +0000
+@@ -42,8 +42,8 @@
+ 
+ #if defined HAVE_LD_PIE
+ #define GNU_USER_TARGET_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} \
+  "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:%{static:rcrt1.o%s;:Scrt1.o%s};:crt1.o%s}} \
+   crti.o%s %{shared|pie:crtbeginS.o%s;static:crtbeginT.o%s;:crtbegin.o%s} \
+    %{fvtable-verify=none:%s; \
+      fvtable-verify=preinit:vtv_start_preinit.o%s; \
+      fvtable-verify=std:vtv_start.o%s}"
+--- gcc-5.2.0.orig/gcc/gcc.c	2015-03-10 09:37:41.000000000 +0000
+++ gcc-5.2.0/gcc/gcc.c	2015-09-30 00:25:33.225927941 +0000
+@@ -739,7 +739,7 @@
+ 
+ #ifndef LINK_PIE_SPEC
+ #ifdef HAVE_LD_PIE
+-#define LINK_PIE_SPEC "%{pie:-pie} "
+#define LINK_PIE_SPEC "%{pie:-pie %{static:--no-dynamic-linker}} "
+ #else
+ #define LINK_PIE_SPEC "%{pie:} "
+ #endif
--- a/patches/gcc-5.3.0/0006-defaultpie.diff
+++ b/patches/gcc-5.3.0/0006-defaultpie.diff
@ -0,0 +1,40 @@
+diff --git a/gcc/config.gcc b/gcc/config.gcc
+index 3779369..a6d95ca 100644
+--- a/gcc/config.gcc
+++ b/gcc/config.gcc
+@@ -3101,6 +3101,12 @@ case ${target} in
+ 		;;
+ esac
+ 
+case "x${enable_default_pie}" in
+xyes)
+	tm_defines="${tm_defines} ENABLE_DEFAULT_PIE=1"
+	;;
+esac
+
+ t=
+ all_defaults="abi cpu arch tune schedule float mode fpu divide"
+ for option in $all_defaults
+--- gcc-5.2.0.orig/gcc/gcc.c	2015-03-10 09:37:41.000000000 +0000
+++ gcc-5.2.0/gcc/gcc.c	2015-08-25 07:47:12.895060530 +0000
+@@ -1012,10 +1012,19 @@
+ #define CILK_SELF_SPECS "%{fcilkplus: -pthread}"
+ #endif
+ 
+/* Default to PIE */
+#ifndef PIE_SELF_SPECS
+#ifdef ENABLE_DEFAULT_PIE
+#define PIE_SELF_SPECS "%{shared|pie|r|nostdlib|nopie|no-pie:;:-pie} %{fpic|fPIC|fpie|fPIE|fno-pic|fno-PIC|fno-pie|fno-PIE|D__KERNEL__:;:-fPIE}"
+#else
+#define PIE_SELF_SPECS ""
+#endif
+#endif
+
+ static const char *const driver_self_specs[] = {
+   "%{fdump-final-insns:-fdump-final-insns=.} %<fdump-final-insns",
+   DRIVER_SELF_SPECS, CONFIGURE_SPECS, GOMP_SELF_SPECS, GTM_SELF_SPECS,
+-  CILK_SELF_SPECS
+  CILK_SELF_SPECS, PIE_SELF_SPECS
+ };
+ 
+ #ifndef OPTION_DEFAULT_SPECS
--- a/patches/gcc-5.3.0/0007-fdpic.diff
+++ b/patches/gcc-5.3.0/0007-fdpic.diff
--- a/patches/gcc-5.3.0/0008-shsibcall.diff
+++ b/patches/gcc-5.3.0/0008-shsibcall.diff
@ -0,0 +1,39 @@
+--- a/gcc/config/sh/sh.md (revision 233324)
+++ b/gcc/config/sh/sh.md (working copy)
+@@ -10476,7 +10476,7 @@
+        (call (mem:SI (match_operand:SI 1 "symbol_ref_operand" ""))
+              (match_operand 2 "" "")))
+    (use (reg:SI FPSCR_MODES_REG))
+-   (clobber (match_scratch:SI 3 "=&k"))
+   (clobber (reg:SI R1_REG))
+    (return)]
+   "TARGET_SH2 && !TARGET_FDPIC"
+   "#"
+@@ -10491,6 +10495,8 @@
+   rtx lab = PATTERN (gen_call_site ());
+   rtx call_insn;
+
+  operands[3] =  gen_rtx_REG (SImode, R1_REG);
+
+   sh_expand_sym_label2reg (operands[3], operands[1], lab, true);
+   call_insn = emit_call_insn (gen_sibcall_valuei_pcrel (operands[0],
+                                                        operands[3],
+@@ -10511,7 +10519,7 @@
+              (match_operand 2)))
+    (use (reg:SI FPSCR_MODES_REG))
+    (use (reg:SI PIC_REG))
+-   (clobber (match_scratch:SI 3 "=k"))
+   (clobber (reg:SI R1_REG))
+    (return)]
+   "TARGET_SH2 && TARGET_FDPIC"
+   "#"
+@@ -10520,6 +10528,8 @@
+ {
+   rtx lab = PATTERN (gen_call_site ());
+
+  operands[3] =  gen_rtx_REG (SImode, R1_REG);
+
+   sh_expand_sym_label2reg (operands[3], operands[1], lab, true);
+   rtx i = emit_call_insn (gen_sibcall_valuei_pcrel_fdpic (operands[0],
+                                                          operands[3],
+
--- a/patches/gcc-5.3.0/0009-mipsdw.diff
+++ b/patches/gcc-5.3.0/0009-mipsdw.diff
@ -0,0 +1,11 @@
+--- a/libgcc/config/mips/linux-unwind.h	2016-04-07 23:08:58.088577977 +0000
+++ b/libgcc/config/mips/linux-unwind.h	2016-04-07 23:04:34.016523639 +0000
+@@ -27,7 +27,7 @@
+    state data appropriately.  See unwind-dw2.c for the structs.  */
+ 
+ #include <signal.h>
+-#include <asm/unistd.h>
+#include <sys/syscall.h>
+ 
+ /* The third parameter to the signal handler points to something with
+  * this structure defined in asm/ucontext.h, but the name clashes with
				`@ -0,0 +1 @@`
				`0612270b103941da08376df4d0ef4e5662a2e9eb gcc-5.3.0.tar.bz2`