gcconfig.h: Add x86-64 definitions.

2002-07-18  Bo Thorsen  <bo@suse.de>

	* include/private/gcconfig.h: Add x86-64 definitions.
	* os_dep.c: Add x86-64 support.
	* configure.in: Likewise.
	* configure: Regenerate.

Approved by Hans Boehm.

From-SVN: r55584

boehm-gc/ChangeLog

@@ -1,3 +1,10 @@
+2002-07-18  Bo Thorsen  <bo@suse.de>
+
+	* include/private/gcconfig.h: Add x86-64 definitions.
+	* os_dep.c: Add x86-64 support.
+	* configure.in: Likewise.
+	* configure: Regenerate.
+
 2002-07-18  H.J. Lu <hjl@gnu.org>
 
 	* mach_dep.c (GC_push_regs): Remove the unused Linux/mips code.

boehm-gc/configure

@@ -2391,7 +2391,7 @@ if test -z "$CXXCPP"; then
 if eval "test \"`echo '$''{'ac_cv_prog_CXXCPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
-  ac_ext=C
+      ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
@@ -2417,15 +2417,18 @@ else
 fi
 rm -f conftest*
   ac_cv_prog_CXXCPP="$CXXCPP"
-ac_ext=c
+  ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
+
 fi
+  CXXCPP="$ac_cv_prog_CXXCPP"
+else
+  ac_cv_prog_CXXCPP=$CXXCPP
 fi
-CXXCPP="$ac_cv_prog_CXXCPP"
 echo "$ac_t""$CXXCPP" 1>&6
 
 
@@ -2551,7 +2554,7 @@ fi
 
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:2555: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:2558: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -2584,7 +2587,7 @@ if false; then
   
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:2588: checking for executable suffix" >&5
+echo "configure:2591: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2594,7 +2597,7 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:2598: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:2601: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
       *.c | *.o | *.obj) ;;
@@ -2617,7 +2620,7 @@ ac_exeext=$EXEEXT
 fi
 
 echo $ac_n "checking for thread model used by GCC""... $ac_c" 1>&6
-echo "configure:2621: checking for thread model used by GCC" >&5
+echo "configure:2624: checking for thread model used by GCC" >&5
 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
 if test -z "$THREADS"; then
    THREADS=no
@@ -2646,7 +2649,7 @@ case "$THREADS" in
     THREADS=posix
     THREADLIBS=-lpthread
     case "$host" in
-     x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux*)
+     x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
 	cat >> confdefs.h <<\EOF
 #define GC_LINUX_THREADS 1
 EOF
@@ -2748,7 +2751,7 @@ esac
 
 
 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:2752: checking for dlopen in -ldl" >&5
+echo "configure:2755: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2756,7 +2759,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2760 "configure"
+#line 2763 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2767,7 +2770,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:2771: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2774: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2986,7 +2989,7 @@ EOF
 EOF
 
       ;;
-      x86-*-linux* | i586-*-linux* | i686-*-linux* )
+      x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
 	cat >> confdefs.h <<\EOF
 #define MAKE_BACK_GRAPH 1
 EOF

boehm-gc/configure.in

@@ -73,7 +73,7 @@ case "$THREADS" in
     THREADS=posix
     THREADLIBS=-lpthread
     case "$host" in
-     x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux*)
+     x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
 	AC_DEFINE(GC_LINUX_THREADS)
 	AC_DEFINE(_REENTRANT)
         if test "${enable_parallel_mark}"; then
@@ -259,7 +259,7 @@ AC_ARG_ENABLE(full-debug,
       ia64-*-linux* )
 	AC_DEFINE(MAKE_BACK_GRAPH)
       ;;
-      x86-*-linux* | i586-*-linux* | i686-*-linux* )
+      x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
 	AC_DEFINE(MAKE_BACK_GRAPH)
 	AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
 	AC_DEFINE(SAVE_CALL_COUNT, 8)

boehm-gc/include/private/gcconfig.h

@@ -193,6 +193,10 @@
 #    define I386
 #    define mach_type_known
 # endif
+# if defined(LINUX) && defined(__x86_64__)
+#    define X86_64
+#    define mach_type_known
+# endif
 # if defined(LINUX) && (defined(__ia64__) || defined(__ia64))
 #    define IA64
 #    define mach_type_known
@@ -427,6 +431,7 @@
 		    /* 			(HPUX)				*/
 		    /*		   SH	      ==> Hitachi SuperH	*/
 		    /* 			(LINUX & MSWINCE)		*/
+		    /* 		   X86_64     ==> AMD x86-64		*/
 
 
 /*
@@ -1624,6 +1629,44 @@
 #   define DATAEND /* not needed */
 # endif
 
+# ifdef X86_64
+#   define MACH_TYPE "X86_64"
+#   define ALIGNMENT 8
+#   define CPP_WORDSZ 64
+#   define CACHE_LINE_SIZE 64
+#   define USE_GENERIC_PUSH_REGS
+#   endif
+#   ifdef LINUX
+#	define OS_TYPE "LINUX"
+#       define LINUX_STACKBOTTOM
+#       if !defined(GC_LINUX_THREADS) || !defined(REDIRECT_MALLOC)
+#	    define MPROTECT_VDB
+#	else
+	    /* We seem to get random errors in incremental mode,	*/
+	    /* possibly because Linux threads is itself a malloc client */
+	    /* and can't deal with the signals.				*/
+#	endif
+#       ifdef __ELF__
+#            define DYNAMIC_LOADING
+#	     ifdef UNDEFINED	/* includes ro data */
+	       extern int _etext[];
+#              define DATASTART ((ptr_t)((((word) (_etext)) + 0xfff) & ~0xfff))
+#	     endif
+#	     include <features.h>
+#	     define LINUX_DATA_START
+	     extern int _end[];
+#	     define DATAEND (_end)
+#	else
+	     extern int etext[];
+#            define DATASTART ((ptr_t)((((word) (etext)) + 0xfff) & ~0xfff))
+#       endif
+#	define PREFETCH(x) \
+	  __asm__ __volatile__ ("	prefetch	%0": : "m"(*(char *)(x)))
+#	define PREFETCH_FOR_WRITE(x) \
+	  __asm__ __volatile__ ("	prefetchw	%0": : "m"(*(char *)(x)))
+#   endif
+# endif
+
 #ifdef LINUX_DATA_START
     /* Some Linux distributions arrange to define __data_start.  Some	*/
     /* define data_start as a weak symbol.  The latter is technically	*/
@@ -1817,7 +1860,7 @@
 # define CAN_SAVE_CALL_STACKS
 # define CAN_SAVE_CALL_ARGS
 #endif
-#if defined(I386) && defined(LINUX)
+#if (defined(I386) || defined(X86_64)) && defined(LINUX)
     /* SAVE_CALL_CHAIN is supported if the code is compiled to save	*/
     /* frame pointers by default, i.e. no -fomit-frame-pointer flag.	*/
 # define CAN_SAVE_CALL_STACKS

boehm-gc/os_dep.c

@@ -2174,7 +2174,7 @@ SIG_PF GC_old_segv_handler;	/* Also old MSWIN32 ACCESS_VIOLATION filter */
 	char * addr = (char *) (scp -> si_addr);
 #   endif
 #   ifdef LINUX
-#     ifdef I386
+#     if defined(I386) || defined (X86_64)
 	char * addr = (char *) (sc.cr2);
 #     else
 #	if defined(M68K)