2008-05-20 Sebastian Pop <sebastian.pop@amd.com>

	* Merge from mainline (130800:135673).



git-svn-id: https://gcc.gnu.org/svn/gcc/branches/graphite@135697 138bc75d-0d04-0410-961f-82ee72b054a4

8 files changed, 128 insertions, 63 deletions

diff --git a/boehm-gc/ChangeLog b/boehm-gc/ChangeLog
index 60eac094906e..5b9ce7d4e6de 100644
--- a/boehm-gc/ChangeLog
+++ b/boehm-gc/ChangeLog
@@ -1,3 +1,31 @@
+2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
+
+	PR bootstrap/35457
+	* aclocal.m4: Regenerate.
+	* configure: Regenerate.
+
+2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	* aclocal.m4: Regenerate.
+	* configure: Likewise.
+	* Makefile.in: Likewise.
+	* include/Makefile.in: Likewise.
+
+2007-02-19  Andreas Tobler  <a.tobler@schweiz.org>
+
+	* dyn_load.c (GC_dyld_image_add): Remove ifdef clause and use the macro
+	GC_GETSECTBYNAME instead.
+	* include/private/gc_priv.h: Define GC_GETSECTBYNAME according to the
+	architecture (Darwin).
+
+2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
+
+	* include/private/gcconfig.h (HBLKSIZE): Define for MIPS.
+
+2008-01-24  David Edelsohn  <edelsohn@gnu.org>
+
+	* configure: Regenerate.
+
 2007-10-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	PR boehm-gc/33442
diff --git a/boehm-gc/Makefile.in b/boehm-gc/Makefile.in
index db1fa0f4af8b..995dfe07f119 100644
--- a/boehm-gc/Makefile.in
+++ b/boehm-gc/Makefile.in
@@ -71,6 +71,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
+	$(top_srcdir)/../config/proginstall.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
 	$(top_srcdir)/../ltsugar.m4 $(top_srcdir)/../ltversion.m4 \
 	$(top_srcdir)/configure.ac
diff --git a/boehm-gc/aclocal.m4 b/boehm-gc/aclocal.m4
index 4cc7ac013f0a..ff09ea1170f2 100644
--- a/boehm-gc/aclocal.m4
+++ b/boehm-gc/aclocal.m4
@@ -889,6 +889,8 @@ m4_include([../config/depstand.m4])
 m4_include([../config/lead-dot.m4])
 m4_include([../config/multi.m4])
 m4_include([../config/no-executables.m4])
+m4_include([../config/override.m4])
+m4_include([../config/proginstall.m4])
 m4_include([../libtool.m4])
 m4_include([../ltoptions.m4])
 m4_include([../ltsugar.m4])
diff --git a/boehm-gc/configure b/boehm-gc/configure
index d499f40a6c2d..ec0362f767b3 100755
--- a/boehm-gc/configure
+++ b/boehm-gc/configure
@@ -1425,13 +1425,22 @@ echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-	{ echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
+        # differences in whitespace do not lead to failure.
+        ac_old_val_w=`echo x $ac_old_val`
+        ac_new_val_w=`echo x $ac_new_val`
+        if test "$ac_old_val_w" != "$ac_new_val_w"; then
+          { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
 echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-	{ echo "$as_me:$LINENO:   former value:  $ac_old_val" >&5
-echo "$as_me:   former value:  $ac_old_val" >&2;}
-	{ echo "$as_me:$LINENO:   current value: $ac_new_val" >&5
-echo "$as_me:   current value: $ac_new_val" >&2;}
-	ac_cache_corrupted=:
+          ac_cache_corrupted=:
+        else
+          { echo "$as_me:$LINENO: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+          eval $ac_var=\$ac_old_val
+        fi
+        { echo "$as_me:$LINENO:   former value:  \`$ac_old_val'" >&5
+echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
+        { echo "$as_me:$LINENO:   current value: \`$ac_new_val'" >&5
+echo "$as_me:   current value: \`$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
@@ -1671,6 +1680,7 @@ am__api_version="1.9"
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # OS/2's system install, which has a completely different semantic
 # ./install, which can be erroneously created by make from ./install.sh.
+# Reject install programs that cannot install multiple files.
 echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
 echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6
 if test -z "$INSTALL"; then
@@ -1704,8 +1714,18 @@ case $as_dir/ in
 	    # program-specific install script used by HP pwplus--don't use.
 	    :
 	  else
-	    ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
-	    break 3
+	    rm -rf conftest.one conftest.two conftest.dir
+	    echo one > conftest.one
+	    echo two > conftest.two
+	    mkdir conftest.dir
+	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+	      test -s conftest.one && test -s conftest.two &&
+	      test -s conftest.dir/conftest.one &&
+	      test -s conftest.dir/conftest.two
+	    then
+	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+	      break 3
+	    fi
 	  fi
 	fi
       done
@@ -1714,15 +1734,16 @@ case $as_dir/ in
 esac
 done
 
+rm -rf conftest.one conftest.two conftest.dir
 
 fi
   if test "${ac_cv_path_install+set}" = set; then
     INSTALL=$ac_cv_path_install
   else
-    # As a last resort, use the slow shell script.  We don't cache a
-    # path for INSTALL within a source directory, because that will
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for INSTALL within a source directory, because that will
     # break other packages using the cache if that directory is
-    # removed, or if the path is relative.
+    # removed, or if the value is a relative name.
     INSTALL=$ac_install_sh
   fi
 fi
@@ -4039,6 +4060,7 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # OS/2's system install, which has a completely different semantic
 # ./install, which can be erroneously created by make from ./install.sh.
+# Reject install programs that cannot install multiple files.
 echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
 echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6
 if test -z "$INSTALL"; then
@@ -4072,8 +4094,18 @@ case $as_dir/ in
 	    # program-specific install script used by HP pwplus--don't use.
 	    :
 	  else
-	    ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
-	    break 3
+	    rm -rf conftest.one conftest.two conftest.dir
+	    echo one > conftest.one
+	    echo two > conftest.two
+	    mkdir conftest.dir
+	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+	      test -s conftest.one && test -s conftest.two &&
+	      test -s conftest.dir/conftest.one &&
+	      test -s conftest.dir/conftest.two
+	    then
+	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+	      break 3
+	    fi
 	  fi
 	fi
       done
@@ -4082,15 +4114,16 @@ case $as_dir/ in
 esac
 done
 
+rm -rf conftest.one conftest.two conftest.dir
 
 fi
   if test "${ac_cv_path_install+set}" = set; then
     INSTALL=$ac_cv_path_install
   else
-    # As a last resort, use the slow shell script.  We don't cache a
-    # path for INSTALL within a source directory, because that will
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for INSTALL within a source directory, because that will
     # break other packages using the cache if that directory is
-    # removed, or if the path is relative.
+    # removed, or if the value is a relative name.
     INSTALL=$ac_install_sh
   fi
 fi
@@ -4682,13 +4715,13 @@ if test "${lt_cv_nm_interface+set}" = set; then
 else
   lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:4685: $ac_compile\"" >&5)
+  (eval echo "\"\$as_me:4718: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:4688: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval echo "\"\$as_me:4721: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:4691: output\"" >&5)
+  (eval echo "\"\$as_me:4724: output\"" >&5)
   cat conftest.out >&5
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
@@ -4955,7 +4988,7 @@ lt_cv_deplibs_check_method='unknown'
 # whether `pass_all' will *always* work, you probably want this one.
 
 case $host_os in
-aix4* | aix5*)
+aix[4-9]*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
@@ -5744,7 +5777,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 5747 "configure"' > conftest.$ac_ext
+  echo '#line 5780 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -7550,11 +7583,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7553: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7586: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7557: \$? = $ac_status" >&5
+   echo "$as_me:7590: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -7872,11 +7905,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7875: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7908: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7879: \$? = $ac_status" >&5
+   echo "$as_me:7912: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -7977,11 +8010,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7980: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:8013: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:7984: \$? = $ac_status" >&5
+   echo "$as_me:8017: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -8032,11 +8065,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:8035: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:8068: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:8039: \$? = $ac_status" >&5
+   echo "$as_me:8072: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -8180,7 +8213,7 @@ echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared librar
 
     # See if GNU ld supports shared libraries.
     case $host_os in
-    aix3* | aix4* | aix5*)
+    aix[3-9]*)
       # On AIX/PPC, the GNU linker is very broken
       if test "$host_cpu" != ia64; then
 	ld_shlibs=no
@@ -8414,7 +8447,7 @@ _LT_EOF
       fi
       ;;
 
-    aix4* | aix5*)
+    aix[4-9]*)
       if test "$host_cpu" = ia64; then
 	# On IA64, the linker does run time linking by default, so we don't
 	# have to do anything special.
@@ -8434,7 +8467,7 @@ _LT_EOF
 	# Test if we are trying to use run time linking or normal
 	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
 	# need to do runtime linking.
-	case $host_os in aix4.[23]|aix4.[23].*|aix5*)
+	case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
 	  for ld_flag in $LDFLAGS; do
 	  if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
 	    aix_use_runtimelinking=yes
@@ -9509,7 +9542,7 @@ aix3*)
   soname_spec='${libname}${release}${shared_ext}$major'
   ;;
 
-aix4* | aix5*)
+aix[4-9]*)
   version_type=linux
   need_lib_prefix=no
   need_version=no
@@ -10884,7 +10917,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10887 "configure"
+#line 10920 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10984,7 +11017,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10987 "configure"
+#line 11020 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11167,7 +11200,7 @@ echo $ECHO_N "checking whether to build shared libraries... $ECHO_C" >&6
     fi
     ;;
 
-  aix4* | aix5*)
+  aix[4-9]*)
     if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
       test "$enable_shared" = yes && enable_static=no
     fi
@@ -11484,7 +11517,7 @@ echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared librar
         # FIXME: insert proper C++ library support
         ld_shlibs_CXX=no
         ;;
-      aix4* | aix5*)
+      aix[4-9]*)
         if test "$host_cpu" = ia64; then
           # On IA64, the linker does run time linking by default, so we don't
           # have to do anything special.
@@ -11497,7 +11530,7 @@ echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared librar
           # Test if we are trying to use run time linking or normal
           # AIX style linking. If -brtl is somewhere in LDFLAGS, we
           # need to do runtime linking.
-          case $host_os in aix4.[23]|aix4.[23].*|aix5*)
+          case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
 	    for ld_flag in $LDFLAGS; do
 	      case $ld_flag in
 	      *-brtl*)
@@ -12764,7 +12797,7 @@ echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6
     esac
   else
     case $host_os in
-      aix4* | aix5*)
+      aix[4-9]*)
 	# All AIX code is PIC.
 	if test "$host_cpu" = ia64; then
 	  # AIX 5 now supports IA64 processor
@@ -13022,11 +13055,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13025: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13058: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:13029: \$? = $ac_status" >&5
+   echo "$as_me:13062: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -13121,11 +13154,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13124: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13157: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:13128: \$? = $ac_status" >&5
+   echo "$as_me:13161: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -13173,11 +13206,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13176: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13209: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:13180: \$? = $ac_status" >&5
+   echo "$as_me:13213: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -13234,7 +13267,7 @@ echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared librar
 
   export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
   case $host_os in
-  aix4* | aix5*)
+  aix[4-9]*)
     # If we're using GNU nm, then we don't want the "-C" option.
     # -C means demangle to AIX nm, but means don't demangle with GNU nm
     if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
@@ -13424,7 +13457,7 @@ aix3*)
   soname_spec='${libname}${release}${shared_ext}$major'
   ;;
 
-aix4* | aix5*)
+aix[4-9]*)
   version_type=linux
   need_lib_prefix=no
   need_version=no
diff --git a/boehm-gc/dyn_load.c b/boehm-gc/dyn_load.c
index 27c1b07387aa..f205be2823d1 100644
--- a/boehm-gc/dyn_load.c
+++ b/boehm-gc/dyn_load.c
@@ -1168,12 +1168,9 @@ static void GC_dyld_image_add(const struct GC_MACH_HEADER *hdr, intptr_t slide)
     const struct GC_MACH_SECTION *sec;
     if (GC_no_dls) return;
     for(i=0;i<sizeof(GC_dyld_sections)/sizeof(GC_dyld_sections[0]);i++) {
-#   if defined (__LP64__)
-      sec = getsectbynamefromheader_64(
-#   else
-      sec = getsectbynamefromheader(
-#   endif
-            hdr,GC_dyld_sections[i].seg,GC_dyld_sections[i].sect);
+
+      sec = GC_GETSECTBYNAME (hdr, GC_dyld_sections[i].seg,
+			      GC_dyld_sections[i].sect);
         if(sec == NULL || sec->size == 0) continue;
         start = slide + sec->addr;
         end = start + sec->size;
@@ -1194,12 +1191,8 @@ static void GC_dyld_image_remove(const struct GC_MACH_HEADER *hdr,
     unsigned long start,end,i;
     const struct GC_MACH_SECTION *sec;
     for(i=0;i<sizeof(GC_dyld_sections)/sizeof(GC_dyld_sections[0]);i++) {
-#   if defined (__LP64__)
-      sec = getsectbynamefromheader_64(
-#   else
-      sec = getsectbynamefromheader(
-#   endif
-            hdr,GC_dyld_sections[i].seg,GC_dyld_sections[i].sect);
+      sec = GC_GETSECTBYNAME (hdr, GC_dyld_sections[i].seg,
+			      GC_dyld_sections[i].sect);
         if(sec == NULL || sec->size == 0) continue;
         start = slide + sec->addr;
         end = start + sec->size;
diff --git a/boehm-gc/include/Makefile.in b/boehm-gc/include/Makefile.in
index 32a8df964540..31c57cc628bd 100644
--- a/boehm-gc/include/Makefile.in
+++ b/boehm-gc/include/Makefile.in
@@ -47,6 +47,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
+	$(top_srcdir)/../config/proginstall.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
 	$(top_srcdir)/../ltsugar.m4 $(top_srcdir)/../ltversion.m4 \
 	$(top_srcdir)/configure.ac
diff --git a/boehm-gc/include/private/gc_priv.h b/boehm-gc/include/private/gc_priv.h
index 41c75d3bb62c..fdebe3688a52 100644
--- a/boehm-gc/include/private/gc_priv.h
+++ b/boehm-gc/include/private/gc_priv.h
@@ -472,16 +472,18 @@ extern GC_warn_proc GC_current_warn_proc;
 #      if defined(POWERPC)
 #              if CPP_WORDSZ == 32
 #                define GC_THREAD_STATE_T ppc_thread_state_t
-#		  define GC_MACH_THREAD_STATE PPC_THREAD_STATE
-#		  define GC_MACH_THREAD_STATE_COUNT PPC_THREAD_STATE_COUNT
+#		 define GC_MACH_THREAD_STATE PPC_THREAD_STATE
+#		 define GC_MACH_THREAD_STATE_COUNT PPC_THREAD_STATE_COUNT
 #                define GC_MACH_HEADER mach_header
 #                define GC_MACH_SECTION section
+#                define GC_GETSECTBYNAME getsectbynamefromheader
 #              else
 #                define GC_THREAD_STATE_T ppc_thread_state64_t
-#		  define GC_MACH_THREAD_STATE PPC_THREAD_STATE64
-#		  define GC_MACH_THREAD_STATE_COUNT PPC_THREAD_STATE64_COUNT
+#		 define GC_MACH_THREAD_STATE PPC_THREAD_STATE64
+#		 define GC_MACH_THREAD_STATE_COUNT PPC_THREAD_STATE64_COUNT
 #                define GC_MACH_HEADER mach_header_64
 #                define GC_MACH_SECTION section_64
+#                define GC_GETSECTBYNAME getsectbynamefromheader_64
 #              endif
 #      elif defined(I386) || defined(X86_64)
 #              if CPP_WORDSZ == 32
@@ -490,12 +492,14 @@ extern GC_warn_proc GC_current_warn_proc;
 #                define GC_MACH_THREAD_STATE_COUNT x86_THREAD_STATE32_COUNT
 #                define GC_MACH_HEADER mach_header
 #                define GC_MACH_SECTION section
+#                define GC_GETSECTBYNAME getsectbynamefromheader
 #              else
 #                define GC_THREAD_STATE_T x86_thread_state64_t
 #                define GC_MACH_THREAD_STATE x86_THREAD_STATE64
 #                define GC_MACH_THREAD_STATE_COUNT x86_THREAD_STATE64_COUNT
 #                define GC_MACH_HEADER mach_header_64
 #                define GC_MACH_SECTION section_64
+#                define GC_GETSECTBYNAME getsectbynamefromheader_64
 #              endif
 #      else
 #              error define GC_THREAD_STATE_T
diff --git a/boehm-gc/include/private/gcconfig.h b/boehm-gc/include/private/gcconfig.h
index 00170289ed6f..56e483c8d951 100644
--- a/boehm-gc/include/private/gcconfig.h
+++ b/boehm-gc/include/private/gcconfig.h
@@ -1375,6 +1375,9 @@
 #     else
 #	define ALIGNMENT 4
 #     endif
+#     ifndef HBLKSIZE
+#       define HBLKSIZE 4096
+#     endif
 #     define USE_GENERIC_PUSH_REGS
 #     if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 2 || __GLIBC__ > 2
 #        define LINUX_STACKBOTTOM