source: patches/gcc-5.3.0-pure64-1.patch@ 5344c0b

gcc/config/i386/linux64.h

@@ -27 +27 @@
 #define GNU_USER_LINK_EMULATION64 "elf_x86_64"
 #define GNU_USER_LINK_EMULATIONX32 "elf32_x86_64"
 
-#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
-#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
+#define GLIBC_DYNAMIC_LINKER32 "/lib32/ld-linux.so.2"
+#define GLIBC_DYNAMIC_LINKER64 "/lib/ld-linux-x86-64.so.2"
 #define GLIBC_DYNAMIC_LINKERX32 "/libx32/ld-linux-x32.so.2"

gcc/config/i386/t-linux64

@@ -33 +33 @@
 comma=,
 MULTILIB_OPTIONS    = $(subst $(comma),/,$(TM_MULTILIB_CONFIG))
 MULTILIB_DIRNAMES   = $(patsubst m%, %, $(subst /, ,$(MULTILIB_OPTIONS)))
-MULTILIB_OSDIRNAMES = m64=../lib64$(call if_multiarch,:x86_64-linux-gnu)
-MULTILIB_OSDIRNAMES+= m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)$(call if_multiarch,:i386-linux-gnu)
+MULTILIB_OSDIRNAMES = m64=../lib$(call if_multiarch,:x86_64-linux-gnu)
+MULTILIB_OSDIRNAMES+= m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib32)$(call if_multiarch,:i386-linux-gnu)
 MULTILIB_OSDIRNAMES+= mx32=../libx32$(call if_multiarch,:x86_64-linux-gnux32)

gcc/config/linux.h

@@ -74 +74 @@
    GLIBC_DYNAMIC_LINKER32 and GLIBC_DYNAMIC_LINKER64 for targets
    supporting both 32-bit and 64-bit compilation.  */
 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
-#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
+#define UCLIBC_DYNAMIC_LINKER32 "/lib32/ld-uClibc.so.0"
 #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
 #define UCLIBC_DYNAMIC_LINKERX32 "/lib/ldx32-uClibc.so.0"
 #define BIONIC_DYNAMIC_LINKER "/system/bin/linker"

gcc/config/mips/t-linux64

@@ -22 +22 @@
 MIPS_SOFT = $(if $(strip $(filter MASK_SOFT_FLOAT_ABI, $(target_cpu_default)) $(filter soft, $(with_float))),soft)
 MULTILIB_OSDIRNAMES = \
         ../lib32$(call if_multiarch,:mips64$(MIPS_EL)-linux-gnuabin32$(MIPS_SOFT)) \
-        ../lib$(call if_multiarch,:mips$(MIPS_EL)-linux-gnu$(MIPS_SOFT)) \
-        ../lib64$(call if_multiarch,:mips64$(MIPS_EL)-linux-gnuabi64$(MIPS_SOFT))
+        ../lib32$(call if_multiarch,:mips$(MIPS_EL)-linux-gnu$(MIPS_SOFT)) \
+        ../lib$(call if_multiarch,:mips64$(MIPS_EL)-linux-gnuabi64$(MIPS_SOFT))

gcc/config/rs6000/linux64.h

@@ -357 +357 @@
 #undef  LINK_OS_DEFAULT_SPEC
 #define LINK_OS_DEFAULT_SPEC "%(link_os_linux)"
 
-#define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
+#define GLIBC_DYNAMIC_LINKER32 "/lib32/ld.so.1"
 #ifdef LINUX64_DEFAULT_ABI_ELFv2
-#define GLIBC_DYNAMIC_LINKER64 "%{mabi=elfv1:/lib64/ld64.so.1;:/lib64/ld64.so.2}"
+#define GLIBC_DYNAMIC_LINKER64 "%{mabi=elfv1:/lib/ld64.so.1;:/lib/ld64.so.2}"
 #else
-#define GLIBC_DYNAMIC_LINKER64 "%{mabi=elfv2:/lib64/ld64.so.2;:/lib64/ld64.so.1}"
+#define GLIBC_DYNAMIC_LINKER64 "%{mabi=elfv2:/lib/ld64.so.2;:/lib/ld64.so.1}"
 #endif
-#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
+#define UCLIBC_DYNAMIC_LINKER32 "/lib32/ld-uClibc.so.0"
 #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
 #if DEFAULT_LIBC == LIBC_UCLIBC
 #define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"

gcc/config/rs6000/linux64.h.orig

@@ +1 @@
+/* Definitions of target machine for GNU compiler,
+   for 64 bit PowerPC linux.
+   Copyright (C) 2000-2015 Free Software Foundation, Inc.
+
+   This file is part of GCC.
+
+   GCC is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published
+   by the Free Software Foundation; either version 3, or (at your
+   option) any later version.
+
+   GCC is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+   License for more details.
+
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   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/>.  */
+
+#ifndef RS6000_BI_ARCH
+
+#undef  TARGET_64BIT
+#define TARGET_64BIT 1
+
+#define DEFAULT_ARCH64_P 1
+#define RS6000_BI_ARCH_P 0
+
+#else
+
+#define DEFAULT_ARCH64_P (TARGET_DEFAULT & MASK_64BIT)
+#define RS6000_BI_ARCH_P 1
+
+#endif
+
+#ifdef IN_LIBGCC2
+#undef TARGET_64BIT
+#ifdef __powerpc64__
+#define TARGET_64BIT 1
+#else
+#define TARGET_64BIT 0
+#endif
+#endif
+
+#undef  TARGET_AIX
+#define TARGET_AIX TARGET_64BIT
+
+#ifdef HAVE_LD_NO_DOT_SYMS
+/* New ABI uses a local sym for the function entry point.  */
+extern int dot_symbols;
+#undef DOT_SYMBOLS
+#define DOT_SYMBOLS dot_symbols
+#endif
+
+#define TARGET_PROFILE_KERNEL profile_kernel
+
+#define TARGET_USES_LINUX64_OPT 1
+#ifdef HAVE_LD_LARGE_TOC
+#undef TARGET_CMODEL
+#define TARGET_CMODEL rs6000_current_cmodel
+#define SET_CMODEL(opt) rs6000_current_cmodel = opt
+#else
+#define SET_CMODEL(opt) do {} while (0)
+#endif
+
+#undef  PROCESSOR_DEFAULT
+#define PROCESSOR_DEFAULT PROCESSOR_POWER7
+#undef  PROCESSOR_DEFAULT64
+#define PROCESSOR_DEFAULT64 PROCESSOR_POWER8
+
+/* We don't need to generate entries in .fixup, except when
+   -mrelocatable or -mrelocatable-lib is given.  */
+#undef RELOCATABLE_NEEDS_FIXUP
+#define RELOCATABLE_NEEDS_FIXUP \
+  (rs6000_isa_flags & rs6000_isa_flags_explicit & OPTION_MASK_RELOCATABLE)
+
+#undef  RS6000_ABI_NAME
+#define RS6000_ABI_NAME "linux"
+
+#define INVALID_64BIT "-m%s not supported in this configuration"
+#define INVALID_32BIT INVALID_64BIT
+
+#ifdef LINUX64_DEFAULT_ABI_ELFv2
+#define ELFv2_ABI_CHECK (rs6000_elf_abi != 1)
+#else
+#define ELFv2_ABI_CHECK (rs6000_elf_abi == 2)
+#endif
+
+#undef  SUBSUBTARGET_OVERRIDE_OPTIONS
+#define SUBSUBTARGET_OVERRIDE_OPTIONS                           \
+  do                                                            \
+    {                                                           \
+      if (!global_options_set.x_rs6000_alignment_flags)         \
+        rs6000_alignment_flags = MASK_ALIGN_NATURAL;            \
+      if (rs6000_isa_flags & OPTION_MASK_64BIT)                 \
+        {                                                       \
+          if (DEFAULT_ABI != ABI_AIX)                           \
+            {                                                   \
+              rs6000_current_abi = ABI_AIX;                     \
+              error (INVALID_64BIT, "call");                    \
+            }                                                   \
+          dot_symbols = !strcmp (rs6000_abi_name, "aixdesc");   \
+          if (ELFv2_ABI_CHECK)                                  \
+            {                                                   \
+              rs6000_current_abi = ABI_ELFv2;                   \
+              if (dot_symbols)                                  \
+                error ("-mcall-aixdesc incompatible with -mabi=elfv2"); \
+            }                                                   \
+          if (rs6000_isa_flags & OPTION_MASK_RELOCATABLE)       \
+            {                                                   \
+              rs6000_isa_flags &= ~OPTION_MASK_RELOCATABLE;     \
+              error (INVALID_64BIT, "relocatable");             \
+            }                                                   \
+          if (rs6000_isa_flags & OPTION_MASK_EABI)              \
+            {                                                   \
+              rs6000_isa_flags &= ~OPTION_MASK_EABI;            \
+              error (INVALID_64BIT, "eabi");                    \
+            }                                                   \
+          if (TARGET_PROTOTYPE)                                 \
+            {                                                   \
+              target_prototype = 0;                             \
+              error (INVALID_64BIT, "prototype");               \
+            }                                                   \
+          if ((rs6000_isa_flags & OPTION_MASK_POWERPC64) == 0)  \
+            {                                                   \
+              rs6000_isa_flags |= OPTION_MASK_POWERPC64;        \
+              error ("-m64 requires a PowerPC64 cpu");          \
+            }                                                   \
+          if ((rs6000_isa_flags_explicit                        \
+               & OPTION_MASK_MINIMAL_TOC) != 0)                 \
+            {                                                   \
+              if (global_options_set.x_rs6000_current_cmodel    \
+                  && rs6000_current_cmodel != CMODEL_SMALL)     \
+                error ("-mcmodel incompatible with other toc options"); \
+              SET_CMODEL (CMODEL_SMALL);                        \
+            }                                                   \
+          else                                                  \
+            {                                                   \
+              if (!global_options_set.x_rs6000_current_cmodel)  \
+                SET_CMODEL (CMODEL_MEDIUM);                     \
+              if (rs6000_current_cmodel != CMODEL_SMALL)        \
+                {                                               \
+                  if (!global_options_set.x_TARGET_NO_FP_IN_TOC) \
+                    TARGET_NO_FP_IN_TOC                         \
+                      = rs6000_current_cmodel == CMODEL_MEDIUM; \
+                  if (!global_options_set.x_TARGET_NO_SUM_IN_TOC) \
+                    TARGET_NO_SUM_IN_TOC = 0;                   \
+                }                                               \
+            }                                                   \
+        }                                                       \
+      else                                                      \
+        {                                                       \
+          if (!RS6000_BI_ARCH_P)                                \
+            error (INVALID_32BIT, "32");                        \
+          if (TARGET_PROFILE_KERNEL)                            \
+            {                                                   \
+              TARGET_PROFILE_KERNEL = 0;                        \
+              error (INVALID_32BIT, "profile-kernel");          \
+            }                                                   \
+          if (global_options_set.x_rs6000_current_cmodel)       \
+            {                                                   \
+              SET_CMODEL (CMODEL_SMALL);                        \
+              error (INVALID_32BIT, "cmodel");                  \
+            }                                                   \
+        }                                                       \
+    }                                                           \
+  while (0)
+
+#undef  ASM_DEFAULT_SPEC
+#undef  ASM_SPEC
+#undef  LINK_OS_LINUX_SPEC
+
+#ifndef RS6000_BI_ARCH
+#define ASM_DEFAULT_SPEC "-mppc64"
+#define ASM_SPEC         "%(asm_spec64) %(asm_spec_common)"
+#define LINK_OS_LINUX_SPEC "%(link_os_linux_spec64)"
+#else
+#if DEFAULT_ARCH64_P
+#define ASM_DEFAULT_SPEC "-mppc%{!m32:64}"
+#define ASM_SPEC         "%{m32:%(asm_spec32)}%{!m32:%(asm_spec64)} %(asm_spec_common)"
+#define LINK_OS_LINUX_SPEC "%{m32:%(link_os_linux_spec32)}%{!m32:%(link_os_linux_spec64)}"
+#else
+#define ASM_DEFAULT_SPEC "-mppc%{m64:64}"
+#define ASM_SPEC         "%{!m64:%(asm_spec32)}%{m64:%(asm_spec64)} %(asm_spec_common)"
+#define LINK_OS_LINUX_SPEC "%{!m64:%(link_os_linux_spec32)}%{m64:%(link_os_linux_spec64)}"
+#endif
+#endif
+
+#define ASM_SPEC32 "-a32 \
+%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
+%{memb|msdata=eabi: -memb}"
+
+#define ASM_SPEC64 "-a64"
+
+#define ASM_SPEC_COMMON "%(asm_cpu) \
+%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \
+  ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
+
+#undef  SUBSUBTARGET_EXTRA_SPECS
+#define SUBSUBTARGET_EXTRA_SPECS \
+  { "asm_spec_common",          ASM_SPEC_COMMON },                      \
+  { "asm_spec32",               ASM_SPEC32 },                           \
+  { "asm_spec64",               ASM_SPEC64 },                           \
+  { "link_os_linux_spec32",     LINK_OS_LINUX_SPEC32 },                 \
+  { "link_os_linux_spec64",     LINK_OS_LINUX_SPEC64 },
+
+#undef  MULTILIB_DEFAULTS
+#if DEFAULT_ARCH64_P
+#define MULTILIB_DEFAULTS { "m64" }
+#else
+#define MULTILIB_DEFAULTS { "m32" }
+#endif
+
+#ifndef RS6000_BI_ARCH
+
+/* 64-bit PowerPC Linux always has a TOC.  */
+#undef  TARGET_TOC
+#define TARGET_TOC              1
+
+/* Some things from sysv4.h we don't do when 64 bit.  */
+#undef  OPTION_RELOCATABLE
+#define OPTION_RELOCATABLE      0
+#undef  OPTION_EABI
+#define OPTION_EABI             0
+#undef  OPTION_PROTOTYPE
+#define OPTION_PROTOTYPE        0
+#undef RELOCATABLE_NEEDS_FIXUP
+#define RELOCATABLE_NEEDS_FIXUP 0
+
+#endif
+
+/* We use glibc _mcount for profiling.  */
+#define NO_PROFILE_COUNTERS 1
+#define PROFILE_HOOK(LABEL) \
+  do { if (TARGET_64BIT) output_profile_hook (LABEL); } while (0)
+
+/* PowerPC64 Linux word-aligns FP doubles when -malign-power is given.  */
+#undef  ADJUST_FIELD_ALIGN
+#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
+  (rs6000_special_adjust_field_align_p ((FIELD), (COMPUTED))            \
+   ? 128                                                                \
+   : (TARGET_64BIT                                                      \
+      && TARGET_ALIGN_NATURAL == 0                                      \
+      && TYPE_MODE (strip_array_types (TREE_TYPE (FIELD))) == DFmode)   \
+   ? MIN ((COMPUTED), 32)                                               \
+   : (COMPUTED))
+
+/* PowerPC64 Linux increases natural record alignment to doubleword if
+   the first field is an FP double, only if in power alignment mode.  */
+#undef  ROUND_TYPE_ALIGN
+#define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED)                   \
+  ((TARGET_64BIT                                                        \
+    && (TREE_CODE (STRUCT) == RECORD_TYPE                               \
+        || TREE_CODE (STRUCT) == UNION_TYPE                             \
+        || TREE_CODE (STRUCT) == QUAL_UNION_TYPE)                       \
+    && TARGET_ALIGN_NATURAL == 0)                                       \
+   ? rs6000_special_round_type_align (STRUCT, COMPUTED, SPECIFIED)      \
+   : MAX ((COMPUTED), (SPECIFIED)))
+
+/* Use the default for compiling target libs.  */
+#ifdef IN_TARGET_LIBS
+#undef TARGET_ALIGN_NATURAL
+#define TARGET_ALIGN_NATURAL 1
+#endif
+
+/* Indicate that jump tables go in the text section.  */
+#undef  JUMP_TABLES_IN_TEXT_SECTION
+#define JUMP_TABLES_IN_TEXT_SECTION TARGET_64BIT
+
+/* The linux ppc64 ABI isn't explicit on whether aggregates smaller
+   than a doubleword should be padded upward or downward.  You could
+   reasonably assume that they follow the normal rules for structure
+   layout treating the parameter area as any other block of memory,
+   then map the reg param area to registers.  i.e. pad upward.
+   Setting both of the following defines results in this behavior.
+   Setting just the first one will result in aggregates that fit in a
+   doubleword being padded downward, and others being padded upward.
+   Not a bad idea as this results in struct { int x; } being passed
+   the same way as an int.  */
+#define AGGREGATE_PADDING_FIXED TARGET_64BIT
+#define AGGREGATES_PAD_UPWARD_ALWAYS 0
+
+/* Specify padding for the last element of a block move between
+   registers and memory.  FIRST is nonzero if this is the only
+   element.  */
+#define BLOCK_REG_PADDING(MODE, TYPE, FIRST) \
+  (!(FIRST) ? upward : FUNCTION_ARG_PADDING (MODE, TYPE))
+
+/* Linux doesn't support saving and restoring 64-bit regs in a 32-bit
+   process.  */
+#define OS_MISSING_POWERPC64 !TARGET_64BIT
+
+#ifdef SINGLE_LIBC
+#define OPTION_GLIBC  (DEFAULT_LIBC == LIBC_GLIBC)
+#define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC)
+#define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC)
+#else
+#define OPTION_GLIBC  (linux_libc == LIBC_GLIBC)
+#define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
+#define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
+#endif
+
+/* Determine what functions are present at the runtime;
+   this includes full c99 runtime and sincos.  */
+#undef TARGET_LIBC_HAS_FUNCTION
+#define TARGET_LIBC_HAS_FUNCTION linux_libc_has_function
+
+#undef  TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()                        \
+  do                                                    \
+    {                                                   \
+      if (TARGET_64BIT)                                 \
+        {                                               \
+          builtin_define ("__PPC__");                   \
+          builtin_define ("__PPC64__");                 \
+          builtin_define ("__powerpc__");               \
+          builtin_define ("__powerpc64__");             \
+          if (!DOT_SYMBOLS)                             \
+            builtin_define ("_CALL_LINUX");             \
+          builtin_assert ("cpu=powerpc64");             \
+          builtin_assert ("machine=powerpc64");         \
+        }                                               \
+      else                                              \
+        {                                               \
+          builtin_define_std ("PPC");                   \
+          builtin_define_std ("powerpc");               \
+          builtin_assert ("cpu=powerpc");               \
+          builtin_assert ("machine=powerpc");           \
+          TARGET_OS_SYSV_CPP_BUILTINS ();               \
+        }                                               \
+    }                                                   \
+  while (0)
+
+#undef  CPP_OS_DEFAULT_SPEC
+#define CPP_OS_DEFAULT_SPEC "%(cpp_os_linux)"
+
+#undef  LINK_SHLIB_SPEC
+#define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}"
+
+#undef  LIB_DEFAULT_SPEC
+#define LIB_DEFAULT_SPEC "%(lib_linux)"
+
+#undef  STARTFILE_DEFAULT_SPEC
+#define STARTFILE_DEFAULT_SPEC "%(startfile_linux)"
+
+#undef  ENDFILE_DEFAULT_SPEC
+#define ENDFILE_DEFAULT_SPEC "%(endfile_linux)"
+
+#undef  LINK_START_DEFAULT_SPEC
+#define LINK_START_DEFAULT_SPEC "%(link_start_linux)"
+
+#undef  LINK_OS_DEFAULT_SPEC
+#define LINK_OS_DEFAULT_SPEC "%(link_os_linux)"
+
+#define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
+#ifdef LINUX64_DEFAULT_ABI_ELFv2
+#define GLIBC_DYNAMIC_LINKER64 "%{mabi=elfv1:/lib64/ld64.so.1;:/lib64/ld64.so.2}"
+#else
+#define GLIBC_DYNAMIC_LINKER64 "%{mabi=elfv2:/lib64/ld64.so.2;:/lib64/ld64.so.1}"
+#endif
+#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
+#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
+#if DEFAULT_LIBC == LIBC_UCLIBC
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
+#elif DEFAULT_LIBC == LIBC_GLIBC
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
+#else
+#error "Unsupported DEFAULT_LIBC"
+#endif
+#define GNU_USER_DYNAMIC_LINKER32 \
+  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
+#define GNU_USER_DYNAMIC_LINKER64 \
+  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
+
+#undef  DEFAULT_ASM_ENDIAN
+#if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
+#define DEFAULT_ASM_ENDIAN " -mlittle"
+#define LINK_OS_LINUX_EMUL32 ENDIAN_SELECT(" -m elf32ppclinux",         \
+                                           " -m elf32lppclinux",        \
+                                           " -m elf32lppclinux")
+#define LINK_OS_LINUX_EMUL64 ENDIAN_SELECT(" -m elf64ppc",              \
+                                           " -m elf64lppc",             \
+                                           " -m elf64lppc")
+#else
+#define DEFAULT_ASM_ENDIAN " -mbig"
+#define LINK_OS_LINUX_EMUL32 ENDIAN_SELECT(" -m elf32ppclinux",         \
+                                           " -m elf32lppclinux",        \
+                                           " -m elf32ppclinux")
+#define LINK_OS_LINUX_EMUL64 ENDIAN_SELECT(" -m elf64ppc",              \
+                                           " -m elf64lppc",             \
+                                           " -m elf64ppc")
+#endif
+
+#define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " %{!shared: %{!static: \
+  %{rdynamic:-export-dynamic} \
+  -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}}"
+
+#define LINK_OS_LINUX_SPEC64 LINK_OS_LINUX_EMUL64 " %{!shared: %{!static: \
+  %{rdynamic:-export-dynamic} \
+  -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "}}"
+
+#undef  TOC_SECTION_ASM_OP
+#define TOC_SECTION_ASM_OP \
+  (TARGET_64BIT                                         \
+   ? "\t.section\t\".toc\",\"aw\""                      \
+   : "\t.section\t\".got\",\"aw\"")
+
+#undef  MINIMAL_TOC_SECTION_ASM_OP
+#define MINIMAL_TOC_SECTION_ASM_OP \
+  (TARGET_64BIT                                         \
+   ? "\t.section\t\".toc1\",\"aw\""                     \
+   : ((TARGET_RELOCATABLE || flag_pic)                  \
+      ? "\t.section\t\".got2\",\"aw\""                  \
+      : "\t.section\t\".got1\",\"aw\""))
+
+/* Must be at least as big as our pointer type.  */
+#undef  SIZE_TYPE
+#define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
+
+#undef  PTRDIFF_TYPE
+#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
+
+#undef  WCHAR_TYPE
+#define WCHAR_TYPE (TARGET_64BIT ? "int" : "long int")
+#undef  WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+#undef  RS6000_MCOUNT
+#define RS6000_MCOUNT "_mcount"
+
+#ifdef __powerpc64__
+/* _init and _fini functions are built from bits spread across many
+   object files, each potentially with a different TOC pointer.  For
+   that reason, place a nop after the call so that the linker can
+   restore the TOC pointer if a TOC adjusting call stub is needed.  */
+#if DOT_SYMBOLS
+#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC)      \
+  asm (SECTION_OP "\n"                                  \
+"       bl ." #FUNC "\n"                                \
+"       nop\n"                                          \
+"       .previous");
+#else
+#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC)      \
+  asm (SECTION_OP "\n"                                  \
+"       bl " #FUNC "\n"                                 \
+"       nop\n"                                          \
+"       .previous");
+#endif
+#endif
+
+/* FP save and restore routines.  */
+#undef  SAVE_FP_PREFIX
+#define SAVE_FP_PREFIX (TARGET_64BIT ? "._savef" : "_savefpr_")
+#undef  SAVE_FP_SUFFIX
+#define SAVE_FP_SUFFIX ""
+#undef  RESTORE_FP_PREFIX
+#define RESTORE_FP_PREFIX (TARGET_64BIT ? "._restf" : "_restfpr_")
+#undef  RESTORE_FP_SUFFIX
+#define RESTORE_FP_SUFFIX ""
+
+/* Dwarf2 debugging.  */
+#undef  PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+
+/* This is how to declare the size of a function.  */
+#undef  ASM_DECLARE_FUNCTION_SIZE
+#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL)                    \
+  do                                                                    \
+    {                                                                   \
+      if (!flag_inhibit_size_directive)                                 \
+        {                                                               \
+          fputs ("\t.size\t", (FILE));                                  \
+          if (TARGET_64BIT && DOT_SYMBOLS)                              \
+            putc ('.', (FILE));                                         \
+          assemble_name ((FILE), (FNAME));                              \
+          fputs (",.-", (FILE));                                        \
+          rs6000_output_function_entry (FILE, FNAME);                   \
+          putc ('\n', (FILE));                                          \
+        }                                                               \
+    }                                                                   \
+  while (0)
+
+/* Return nonzero if this entry is to be written into the constant
+   pool in a special way.  We do so if this is a SYMBOL_REF, LABEL_REF
+   or a CONST containing one of them.  If -mfp-in-toc (the default),
+   we also do this for floating-point constants.  We actually can only
+   do this if the FP formats of the target and host machines are the
+   same, but we can't check that since not every file that uses
+   the macros includes real.h.  We also do this when we can write the
+   entry into the TOC and the entry is not larger than a TOC entry.  */
+
+#undef  ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
+#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE)                        \
+  (TARGET_TOC                                                           \
+   && (GET_CODE (X) == SYMBOL_REF                                       \
+       || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS      \
+           && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF)           \
+       || GET_CODE (X) == LABEL_REF                                     \
+       || (GET_CODE (X) == CONST_INT                                    \
+           && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode))      \
+       || (GET_CODE (X) == CONST_DOUBLE                                 \
+           && ((TARGET_64BIT                                            \
+                && (TARGET_MINIMAL_TOC                                  \
+                    || (SCALAR_FLOAT_MODE_P (GET_MODE (X))              \
+                        && ! TARGET_NO_FP_IN_TOC)))                     \
+               || (!TARGET_64BIT                                        \
+                   && !TARGET_NO_FP_IN_TOC                              \
+                   && !TARGET_RELOCATABLE                               \
+                   && SCALAR_FLOAT_MODE_P (GET_MODE (X))                \
+                   && BITS_PER_WORD == HOST_BITS_PER_INT)))))
+
+/* Select a format to encode pointers in exception handling data.  CODE
+   is 0 for data, 1 for code labels, 2 for function pointers.  GLOBAL is
+   true if the symbol may be affected by dynamic relocations.  */
+#undef  ASM_PREFERRED_EH_DATA_FORMAT
+#define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \
+  ((TARGET_64BIT || flag_pic || TARGET_RELOCATABLE)                     \
+   ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel               \
+      | (TARGET_64BIT ? DW_EH_PE_udata8 : DW_EH_PE_sdata4))             \
+   : DW_EH_PE_absptr)
+
+/* For backward compatibility, we must continue to use the AIX
+   structure return convention.  */
+#undef DRAFT_V4_STRUCT_RET
+#define DRAFT_V4_STRUCT_RET (!TARGET_64BIT)
+
+#ifdef TARGET_LIBC_PROVIDES_SSP
+/* ppc32 glibc provides __stack_chk_guard in -0x7008(2),
+   ppc64 glibc provides it at -0x7010(13).  */
+#define TARGET_THREAD_SSP_OFFSET        (TARGET_64BIT ? -0x7010 : -0x7008)
+#endif
+
+#define POWERPC_LINUX
+
+/* ppc{32,64} linux has 128-bit long double support in glibc 2.4 and later.  */
+#ifdef TARGET_DEFAULT_LONG_DOUBLE_128
+#define RS6000_DEFAULT_LONG_DOUBLE_SIZE 128
+#endif
+
+/* Static stack checking is supported by means of probes.  */
+#define STACK_CHECK_STATIC_BUILTIN 1
+
+/* The default value isn't sufficient in 64-bit mode.  */
+#define STACK_CHECK_PROTECT (TARGET_64BIT ? 16 * 1024 : 12 * 1024)
+
+/* Software floating point support for exceptions and rounding modes
+   depends on the C library in use.  */
+#undef TARGET_FLOAT_EXCEPTIONS_ROUNDING_SUPPORTED_P
+#define TARGET_FLOAT_EXCEPTIONS_ROUNDING_SUPPORTED_P \
+  rs6000_linux_float_exceptions_rounding_supported_p
+
+/* Support for TARGET_ATOMIC_ASSIGN_EXPAND_FENV without FPRs depends
+   on glibc 2.19 or greater.  */
+#if TARGET_GLIBC_MAJOR > 2 \
+  || (TARGET_GLIBC_MAJOR == 2 && TARGET_GLIBC_MINOR >= 19)
+#define RS6000_GLIBC_ATOMIC_FENV 1
+#endif

gcc/config/rs6000/t-linux64

@@ -28 +28 @@
 MULTILIB_OPTIONS    := m64/m32
 MULTILIB_DIRNAMES   := 64 32
 MULTILIB_EXTRA_OPTS := 
-MULTILIB_OSDIRNAMES := m64=../lib64$(call if_multiarch,:powerpc64-linux-gnu)
-MULTILIB_OSDIRNAMES += m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)$(call if_multiarch,:powerpc-linux-gnu)
+MULTILIB_OSDIRNAMES := m64=../lib$(call if_multiarch,:powerpc64-linux-gnu)
+MULTILIB_OSDIRNAMES += m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib32)$(call if_multiarch,:powerpc-linux-gnu)
 
 rs6000-linux.o: $(srcdir)/config/rs6000/rs6000-linux.c
         $(COMPILE) $<

gcc/config/s390/linux.h

@@ -60 +60 @@
 #define MULTILIB_DEFAULTS { "m31" }
 #endif
 
-#define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
+#define GLIBC_DYNAMIC_LINKER32 "/lib32/ld.so.1"
 #define GLIBC_DYNAMIC_LINKER64 "/lib/ld64.so.1"
 
 #undef  LINK_SPEC

gcc/config/s390/t-linux64

@@ -7 +7 @@
 
 MULTILIB_OPTIONS = m64/m31
 MULTILIB_DIRNAMES = 64 32
-MULTILIB_OSDIRNAMES = ../lib64$(call if_multiarch,:s390x-linux-gnu)
-MULTILIB_OSDIRNAMES += $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)$(call if_multiarch,:s390-linux-gnu)
+MULTILIB_OSDIRNAMES = ../lib$(call if_multiarch,:s390x-linux-gnu)
+MULTILIB_OSDIRNAMES += $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib32)$(call if_multiarch,:s390-linux-gnu)

gcc/config/sparc/linux.h

@@ -83 +83 @@
    When the -shared link option is used a final link is not being
    done.  */
 
-#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+#define GLIBC_DYNAMIC_LINKER "/lib32/ld-linux.so.2"
 
 #undef  LINK_SPEC
 #define LINK_SPEC "-m elf32_sparc %{shared:-shared} \

gcc/config/sparc/linux64.h

@@ -84 +84 @@
    When the -shared link option is used a final link is not being
    done.  */
 
-#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
-#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2"
+#define GLIBC_DYNAMIC_LINKER32 "/lib32/ld-linux.so.2"
+#define GLIBC_DYNAMIC_LINKER64 "/lib/ld-linux.so.2"
 
 #ifdef SPARC_BI_ARCH
 
@@ -193 +193 @@
 #else /* !SPARC_BI_ARCH */
 
 #undef LINK_SPEC
-#define LINK_SPEC "-m elf64_sparc -Y P,%R/usr/lib64 %{shared:-shared} \
+#define LINK_SPEC "-m elf64_sparc -Y P,%R/lib %{shared:-shared} \
   %{!shared: \
     %{!static: \
       %{rdynamic:-export-dynamic} \

gcc/config/sparc/linux64.h.orig

@@ +1 @@
+/* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF.
+   Copyright (C) 1996-2015 Free Software Foundation, Inc.
+   Contributed by David S. Miller (davem@caip.rutgers.edu)
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#define TARGET_OS_CPP_BUILTINS()                \
+  do                                            \
+    {                                           \
+      GNU_USER_TARGET_OS_CPP_BUILTINS();        \
+      if (TARGET_ARCH64)                        \
+        builtin_define ("_LONGLONG");           \
+      if (TARGET_ARCH32                         \
+          && TARGET_LONG_DOUBLE_128)            \
+        builtin_define ("__LONG_DOUBLE_128__"); \
+    }                                           \
+  while (0)
+
+/* On Linux, the combination sparc64-* --with-cpu=v8 is supported and
+   selects a 32-bit compiler.  */
+#if defined(TARGET_64BIT_DEFAULT) && TARGET_CPU_DEFAULT >= TARGET_CPU_v9
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT \
+  (MASK_V9 + MASK_PTR64 + MASK_64BIT + MASK_STACK_BIAS + \
+   MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
+#endif
+
+/* This must be v9a not just v9 because by default we enable
+   -mvis.  */
+#undef ASM_CPU64_DEFAULT_SPEC
+#define ASM_CPU64_DEFAULT_SPEC "-Av9a"
+
+/* Provide a ENDFILE_SPEC appropriate for GNU/Linux.  Here we tack on
+   the GNU/Linux magical crtend.o file (see crtstuff.c) which
+   provides part of the support for getting C++ file-scope static
+   object constructed before entering `main', followed by a normal
+   GNU/Linux "finalizer" file, `crtn.o'.  */
+
+#undef  ENDFILE_SPEC
+#define ENDFILE_SPEC \
+  "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\
+   %{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
+
+/* The default code model.  */
+#undef SPARC_DEFAULT_CMODEL
+#define SPARC_DEFAULT_CMODEL CM_MEDLOW
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+/* Define for support of TFmode long double.
+   SPARC ABI says that long double is 4 words.  */
+#undef LONG_DOUBLE_TYPE_SIZE
+#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
+
+#undef CPP_SUBTARGET_SPEC
+#define CPP_SUBTARGET_SPEC "\
+%{posix:-D_POSIX_SOURCE} \
+%{pthread:-D_REENTRANT} \
+"
+
+/* Provide a LINK_SPEC appropriate for GNU/Linux.  Here we provide support
+   for the special GCC options -static and -shared, which allow us to
+   link things in one of these three modes by applying the appropriate
+   combinations of options at link-time.
+
+   When the -shared link option is used a final link is not being
+   done.  */
+
+#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
+#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2"
+
+#ifdef SPARC_BI_ARCH
+
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS \
+  { "link_arch32",       LINK_ARCH32_SPEC },              \
+  { "link_arch64",       LINK_ARCH64_SPEC },              \
+  { "link_arch_default", LINK_ARCH_DEFAULT_SPEC },        \
+  { "link_arch",         LINK_ARCH_SPEC },
+
+#define LINK_ARCH32_SPEC "-m elf32_sparc %{shared:-shared} \
+  %{!shared: \
+    %{!static: \
+      %{rdynamic:-export-dynamic} \
+      -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "} \
+      %{static:-static}} \
+"
+
+#define LINK_ARCH64_SPEC "-m elf64_sparc %{shared:-shared} \
+  %{!shared: \
+    %{!static: \
+      %{rdynamic:-export-dynamic} \
+      -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \
+      %{static:-static}} \
+"
+
+#define LINK_ARCH_SPEC "\
+%{m32:%(link_arch32)} \
+%{m64:%(link_arch64)} \
+%{!m32:%{!m64:%(link_arch_default)}} \
+"
+
+#define LINK_ARCH_DEFAULT_SPEC \
+(DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC)
+
+#undef  LINK_SPEC
+#define LINK_SPEC "\
+%(link_arch) \
+%{!mno-relax:%{!r:-relax}} \
+"
+
+/* -mcpu=native handling only makes sense with compiler running on
+   a SPARC chip.  */
+#if defined(__sparc__) && defined(__linux__)
+extern const char *host_detect_local_cpu (int argc, const char **argv);
+# define EXTRA_SPEC_FUNCTIONS                                           \
+  { "local_cpu_detect", host_detect_local_cpu },
+
+# define MCPU_MTUNE_NATIVE_SPECS                                        \
+   " %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}"              \
+   " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}"
+#else
+# define MCPU_MTUNE_NATIVE_SPECS ""
+#endif
+
+#define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS
+
+#undef  CC1_SPEC
+#if DEFAULT_ARCH32_P
+#define CC1_SPEC "%{profile:-p} \
+%{m32:%{m64:%emay not use both -m32 and -m64}} \
+%{m64:-mptr64 -mstack-bias -mlong-double-128 \
+  %{!mcpu*:-mcpu=ultrasparc} \
+  %{!mno-vis:%{!mcpu=v9:-mvis}}} \
+"
+#else
+#define CC1_SPEC "%{profile:-p} \
+%{m32:%{m64:%emay not use both -m32 and -m64}} \
+%{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
+  %{!mcpu*:-mcpu=cypress}} \
+%{mv8plus:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
+  %{!mcpu*:-mcpu=v9}} \
+%{!m32:%{!mcpu*:-mcpu=ultrasparc}} \
+%{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}} \
+"
+#endif
+
+/* Support for a compile-time default CPU, et cetera.  The rules are:
+   --with-cpu is ignored if -mcpu is specified.
+   --with-tune is ignored if -mtune is specified.
+   --with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu
+     are specified.
+   In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)}
+   here, otherwise say -mcpu=v7 would be passed even when -m64.
+   CC1_SPEC above takes care of this instead.  */
+#undef OPTION_DEFAULT_SPECS
+#if DEFAULT_ARCH32_P
+#define OPTION_DEFAULT_SPECS \
+  {"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
+  {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
+  {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" }
+#else
+#define OPTION_DEFAULT_SPECS \
+  {"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
+  {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
+  {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" }
+#endif
+
+#if DEFAULT_ARCH32_P
+#define MULTILIB_DEFAULTS { "m32" }
+#else
+#define MULTILIB_DEFAULTS { "m64" }
+#endif
+
+#else /* !SPARC_BI_ARCH */
+
+#undef LINK_SPEC
+#define LINK_SPEC "-m elf64_sparc -Y P,%R/usr/lib64 %{shared:-shared} \
+  %{!shared: \
+    %{!static: \
+      %{rdynamic:-export-dynamic} \
+      -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \
+    %{static:-static}} \
+%{!mno-relax:%{!r:-relax}} \
+"
+
+#endif /* !SPARC_BI_ARCH */
+
+/* It's safe to pass -s always, even if -g is not used.  */
+#undef ASM_SPEC
+#define ASM_SPEC "\
+-s \
+%{fpic|fPIC|fpie|fPIE:-K PIC} \
+%{!.c:%{findirect-dispatch:-K PIC}} \
+%(asm_cpu) %(asm_arch) %(asm_relax)"
+
+#undef ASM_OUTPUT_ALIGNED_LOCAL
+#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN)               \
+do {                                                                    \
+  fputs ("\t.local\t", (FILE));         \
+  assemble_name ((FILE), (NAME));                                       \
+  putc ('\n', (FILE));                                                  \
+  ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN);                  \
+} while (0)
+
+#undef COMMON_ASM_OP
+#define COMMON_ASM_OP "\t.common\t"
+
+#undef  LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX  "."
+
+/* DWARF bits.  */
+
+/* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets. 
+   Obviously the Dwarf2 folks haven't tried to actually build systems
+   with their spec.  On a 64-bit system, only 64-bit relocs become
+   RELATIVE relocations.  */
+
+/* #define DWARF_OFFSET_SIZE PTR_SIZE */
+
+#undef DITF_CONVERSION_LIBFUNCS
+#define DITF_CONVERSION_LIBFUNCS 1
+
 
+#ifdef HAVE_AS_TLS
+#undef TARGET_SUN_TLS
+#undef TARGET_GNU_TLS
+#define TARGET_SUN_TLS 0
+#define TARGET_GNU_TLS 1
+#endif
+
 
+/* We use GNU ld so undefine this so that attribute((init_priority)) works.  */
+#undef CTORS_SECTION_ASM_OP
+#undef DTORS_SECTION_ASM_OP
+
+/* Static stack checking is supported by means of probes.  */
+#define STACK_CHECK_STATIC_BUILTIN 1
+
+/* Linux currently uses RMO in uniprocessor mode, which is equivalent to
+   TMO, and TMO in multiprocessor mode.  But they reserve the right to
+   change their minds.  */
+#undef SPARC_RELAXED_ORDERING
+#define SPARC_RELAXED_ORDERING true
+
+#undef NEED_INDICATE_EXEC_STACK
+#define NEED_INDICATE_EXEC_STACK 1
+
+#ifdef TARGET_LIBC_PROVIDES_SSP
+/* sparc glibc provides __stack_chk_guard in [%g7 + 0x14],
+   sparc64 glibc provides it at [%g7 + 0x28].  */
+#define TARGET_THREAD_SSP_OFFSET        (TARGET_ARCH64 ? 0x28 : 0x14)
+#endif
+
+/* Define if long doubles should be mangled as 'g'.  */
+#define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING
+
+/* We use glibc _mcount for profiling.  */

gcc/config/sparc/t-linux64

@@ -25 +25 @@
 
 MULTILIB_OPTIONS = m64/m32
 MULTILIB_DIRNAMES = 64 32
-MULTILIB_OSDIRNAMES = ../lib64$(call if_multiarch,:sparc64-linux-gnu)
-MULTILIB_OSDIRNAMES += $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)$(call if_multiarch,:sparc-linux-gnu)
+MULTILIB_OSDIRNAMES = ../lib$(call if_multiarch,:sparc64-linux-gnu)
+MULTILIB_OSDIRNAMES += $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib32)$(call if_multiarch,:sparc-linux-gnu)