+2001-05-23 Tom Tromey <tromey@redhat.com>
+
+ * posix-threads.cc (_Jv_self_cache): Renamed from self_cache.
+ * gcj/Makefile.in: Rebuilt.
+ * gcj/Makefile.am (gcj_HEADERS): Added libgcj-config.h.
+ * gcj/javaprims.h: Include gcj/libgcj-config.h.
+ * gcj/libgcj-config.h.in: New file.
+ * libgcj.spec.in (*jc1): Added @HASH_SYNC_SPEC@.
+ * configure: Rebuilt.
+ * configure.in: Enable hash synchronization by default on some
+ platforms.
+ (HASH_SYNC_SPEC): New subst.
+ (AC_CONFIG_HEADER): Added gcj/libgcj-config.h.
+ Correctly use `test -z' instead of `test -n' in a couple places.
+ (JV_HASH_SYNCHRONIZATION): Use AC_DEFINE; don't add to
+ LIBGCJ_CXXFLAGS.
+ * configure.host (enable_java_net_default): Initialize.
+ (enable_hash_synchronization_default): New variable.
+
+2001-05-23 Hans Boehm <Hans_Boehm@hp.com>
+
+ * boehm.cc (_Jv_MarkObj): Don't mark sync_info when hash
+ synchronization in use.
+ (_Jv_MarkArray): Likewise.
+ (_Jv_AllocBytes): Don't check return result.
+ (handle_out_of_memory): New function.
+ (_Jv_InitGC): Set GC_oom_fn.
+ (trace_one_vtable): New global.
+ (_Jv_AllocTraceOne): New function.
+ * configure.in: Added --enable-hash-synchronization.
+ * defineclass.cc, prims.cc, resolve.cc, java/lang/natString.cc,
+ java/net/natInetAddress.cc: Remove _Jv_AllocBytesChecked.
+ * nogc.cc (_Jv_AllocObj): Throw out-of-memory.
+ (_Jv_AllocArray): Likewise.
+ (_Jv_AllocBytes): Likewise.
+ (_Jv_AllocPtrFreeObject): New function.
+ (_Jv_AllocTraceOne): Likewise.
+ * posix-threads.cc (_Jv_ThreadRegister): Handle slow
+ pthread_self().
+ (self_cache): New global.
+ (_Jv_ThreadSelf_out_of_line): New function.
+ * prims.cc (_Jv_AllocBytesChecked): Removed.
+ (_Jv_ThrowNoMemory): New function.
+ (_Jv_AllocObject): Don't check for null return from allocator.
+ (_Jv_NewObjectArray): Likewise.
+ (_Jv_AllocPtrFreeObject): New function.
+ (_Jv_NewPrimArray): Allocate pointer-free object if possible.
+ * include/javaprims.h (_Jv_AllocPtrFreeObject): Declare.
+ (_Jv_MonitorEnter, _Jv_MonitorExit): Don't return value.
+ * include/boehm-gc.h (_Jv_AllocObj): Define.
+ (_Jv_AllocPtrFreeObj): Define.
+ * include/jvm.h (_Jv_AllocPtrFreeObj): Declare.
+ (_Jv_ThrowNoMemory): Declare.
+ (_Jv_AllocTraceOne): Declare.
+ (_Jv_AllocBytesChecked): Removed.
+ * include/posix-threads.h (_Jv_MutexInit, _Jv_MutexLock,
+ _Jv_MutexUnlock): Handle LOCK_DEBUG.
+ (_Jv_ThreadSelf): Handle case where system pthread_self() is
+ slow.
+ * java/lang/Class.h (Class): Declare _Jv_AllocPtrFreeObj as
+ friend.
+ * java/lang/Object.h (sync_info): Conditional upon presence of
+ hash synchronization.
+ * java/lang/natObject.cc: Much new code to handle thin locks and
+ hash synchronization.
+ * java/lang/natString.cc (_Jv_AllocString): Allocate pointer-free
+ object if possible.
+
2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
* gij.cc (version): Update copyright year.
// boehm.cc - interface between libjava and Boehm GC.
-/* Copyright (C) 1998, 1999, 2000 Free Software Foundation
+/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
This file is part of libgcj.
if (__builtin_expect (! dt || !(dt -> get_finalizer()), false))
return mark_stack_ptr;
jclass klass = dt->clas;
+ ptr_t p;
- // Every object has a sync_info pointer.
- ptr_t p = (ptr_t) obj->sync_info;
- MAYBE_MARK (p, mark_stack_ptr, mark_stack_limit, obj, o1label);
+# ifndef JV_HASH_SYNCHRONIZATION
+ // Every object has a sync_info pointer.
+ p = (ptr_t) obj->sync_info;
+ MAYBE_MARK (p, mark_stack_ptr, mark_stack_limit, obj, o1label);
+# endif
// Mark the object's class.
p = (ptr_t) klass;
MAYBE_MARK (p, mark_stack_ptr, mark_stack_limit, obj, o2label);
if (__builtin_expect (! dt || !(dt -> get_finalizer()), false))
return mark_stack_ptr;
jclass klass = dt->clas;
+ ptr_t p;
- // Every object has a sync_info pointer.
- ptr_t p = (ptr_t) array->sync_info;
- MAYBE_MARK (p, mark_stack_ptr, mark_stack_limit, array, e1label);
+# ifndef JV_HASH_SYNCHRONIZATION
+ // Every object has a sync_info pointer.
+ p = (ptr_t) array->sync_info;
+ MAYBE_MARK (p, mark_stack_ptr, mark_stack_limit, array, e1label);
+# endif
// Mark the object's class.
p = (ptr_t) klass;
MAYBE_MARK (p, mark_stack_ptr, mark_stack_limit, obj, o2label);
// knows this, so in that case everything else will break, too.
#define GCJ_DEFAULT_DESCR GC_MAKE_PROC(GC_GCJ_RESERVED_MARK_PROC_INDEX,0)
void *
-_Jv_BuildGCDescr(jclass klass)
+_Jv_BuildGCDescr(jclass)
{
/* FIXME: We should really look at the class and build the descriptor. */
return (void *)(GCJ_DEFAULT_DESCR);
}
#endif
-// Allocate space for a new Java object.
+// Allocate some space that is known to be pointer-free.
void *
-_Jv_AllocObj (jsize size, jclass klass)
+_Jv_AllocBytes (jsize size)
{
- return GC_GCJ_MALLOC (size, klass->vtable);
+ void *r = GC_MALLOC_ATOMIC (size);
+ // We have to explicitly zero memory here, as the GC doesn't
+ // guarantee that PTRFREE allocations are zeroed. Note that we
+ // don't have to do this for other allocation types because we set
+ // the `ok_init' flag in the type descriptor.
+ memset (r, 0, size);
+ return r;
}
// Allocate space for a new Java array.
return obj;
}
-// Allocate some space that is known to be pointer-free.
-void *
-_Jv_AllocBytes (jsize size)
-{
- void *r = GC_MALLOC_ATOMIC (size);
- // We have to explicitly zero memory here, as the GC doesn't
- // guarantee that PTRFREE allocations are zeroed. Note that we
- // don't have to do this for other allocation types because we set
- // the `ok_init' flag in the type descriptor.
- if (__builtin_expect (r != NULL, !NULL))
- memset (r, 0, size);
- return r;
-}
-
static void
call_finalizer (GC_PTR obj, GC_PTR client_data)
{
_Jv_MutexUnlock (&disable_gc_mutex);
}
+static void * handle_out_of_memory(size_t)
+{
+ _Jv_ThrowNoMemory();
+}
+
void
_Jv_InitGC (void)
{
// stash in the class vtable.
GC_init_gcj_malloc (0, (void *) _Jv_MarkObj);
+ // Cause an out of memory error to be thrown from the allocators,
+ // instead of returning 0. This is cheaper than checking on allocation.
+ GC_oom_fn = handle_out_of_memory;
+
LOCK ();
GC_java_finalization = 1;
ENABLE_SIGNALS ();
}
+#ifdef JV_HASH_SYNCHRONIZATION
+// Allocate an object with a fake vtable pointer, which causes only
+// the first field (beyond the fake vtable pointer) to be traced.
+// Eventually this should probably be generalized.
+
+static _Jv_VTable trace_one_vtable = {
+ 0, // class pointer
+ (void *)(2 * sizeof(void *)),
+ // descriptor; scan 2 words incl. vtable ptr.
+ // Least significant bits must be zero to
+ // identify this as a lenght descriptor
+ {0} // First method
+};
+
+void *
+_Jv_AllocTraceOne (jsize size /* includes vtable slot */)
+{
+ return GC_GCJ_MALLOC (size, &trace_one_vtable);
+}
+
+#endif /* JV_HASH_SYNCHRONIZATION */
+
#if 0
void
_Jv_InitGC (void)
ac_help="$ac_help
--disable-getenv-properties
don't set system properties from GCJ_PROPERTIES"
+ac_help="$ac_help
+ --enable-hash-synchronization
+ Use global hash table for monitor locks"
ac_help="$ac_help
--enable-libgcj-debug enable runtime debugging code"
ac_help="$ac_help
program_transform_name=s,x,x,
silent=
site=
+sitefile=
srcdir=
target=NONE
verbose=
--help print this message
--no-create do not create output files
--quiet, --silent do not print \`checking...' messages
+ --site-file=FILE use FILE as the site file
--version print the version of autoconf that created configure
Directory and file names:
--prefix=PREFIX install architecture-independent files in PREFIX
-site=* | --site=* | --sit=*)
site="$ac_optarg" ;;
+ -site-file | --site-file | --site-fil | --site-fi | --site-f)
+ ac_prev=sitefile ;;
+ -site-file=* | --site-file=* | --site-fil=* | --site-fi=* | --site-f=*)
+ sitefile="$ac_optarg" ;;
+
-srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
ac_prev=srcdir ;;
-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`
# Prefer explicitly selected file to automatically selected ones.
-if test -z "$CONFIG_SITE"; then
- if test "x$prefix" != xNONE; then
- CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
- else
- CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+if test -z "$sitefile"; then
+ if test -z "$CONFIG_SITE"; then
+ if test "x$prefix" != xNONE; then
+ CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
+ else
+ CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+ fi
fi
+else
+ CONFIG_SITE="$sitefile"
fi
for ac_site_file in $CONFIG_SITE; do
if test -r "$ac_site_file"; then
fi
echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:621: checking host system type" >&5
+echo "configure:635: checking host system type" >&5
host_alias=$host
case "$host_alias" in
echo "$ac_t""$host" 1>&6
echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:642: checking target system type" >&5
+echo "configure:656: checking target system type" >&5
target_alias=$target
case "$target_alias" in
echo "$ac_t""$target" 1>&6
echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:660: checking build system type" >&5
+echo "configure:674: checking build system type" >&5
build_alias=$build
case "$build_alias" in
program_prefix=${target_alias}-
echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:683: checking whether ln -s works" >&5
+echo "configure:697: checking whether ln -s works" >&5
if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:729: checking for a BSD compatible install" >&5
+echo "configure:743: checking for a BSD compatible install" >&5
if test -z "$INSTALL"; then
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
echo $ac_n "checking whether build environment is sane""... $ac_c" 1>&6
-echo "configure:782: checking whether build environment is sane" >&5
+echo "configure:796: checking whether build environment is sane" >&5
# Just in case
sleep 1
echo timestamp > conftestfile
test "$program_transform_name" = "" && program_transform_name="s,x,x,"
echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:839: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:853: checking whether ${MAKE-make} sets \${MAKE}" >&5
set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
fi
echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:872: checking for Cygwin environment" >&5
+echo "configure:886: checking for Cygwin environment" >&5
if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 877 "configure"
+#line 891 "configure"
#include "confdefs.h"
int main() {
return __CYGWIN__;
; return 0; }
EOF
-if { (eval echo configure:888: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:902: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_cygwin=yes
else
CYGWIN=
test "$ac_cv_cygwin" = yes && CYGWIN=yes
echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:905: checking for mingw32 environment" >&5
+echo "configure:919: checking for mingw32 environment" >&5
if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 910 "configure"
+#line 924 "configure"
#include "confdefs.h"
int main() {
return __MINGW32__;
; return 0; }
EOF
-if { (eval echo configure:917: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:931: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_mingw32=yes
else
fi
echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:965: checking host system type" >&5
+echo "configure:979: checking host system type" >&5
host_alias=$host
case "$host_alias" in
# Extract the first word of "gcc", so it can be a program name with args.
set dummy gcc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:992: checking for $ac_word" >&5
+echo "configure:1006: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "cc", so it can be a program name with args.
set dummy cc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1022: checking for $ac_word" >&5
+echo "configure:1036: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "cl", so it can be a program name with args.
set dummy cl; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1073: checking for $ac_word" >&5
+echo "configure:1087: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1106: checking whether we are using GNU C" >&5
+echo "configure:1120: checking whether we are using GNU C" >&5
if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
yes;
#endif
EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1115: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1129: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
ac_cv_prog_gcc=yes
else
ac_cv_prog_gcc=no
ac_save_CFLAGS="$CFLAGS"
CFLAGS=
echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1134: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1148: checking whether ${CC-cc} accepts -g" >&5
if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1170: checking for $ac_word" >&5
+echo "configure:1184: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:1203: checking whether we are using GNU C++" >&5
+echo "configure:1217: checking whether we are using GNU C++" >&5
if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
yes;
#endif
EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1212: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1226: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
ac_cv_prog_gxx=yes
else
ac_cv_prog_gxx=no
ac_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS=
echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:1231: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:1245: checking whether ${CXX-g++} accepts -g" >&5
if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
missing_dir=`cd $ac_aux_dir && pwd`
echo $ac_n "checking for working aclocal""... $ac_c" 1>&6
-echo "configure:1284: checking for working aclocal" >&5
+echo "configure:1298: checking for working aclocal" >&5
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
# Redirect stdin to placate older versions of autoconf. Sigh.
fi
echo $ac_n "checking for working autoconf""... $ac_c" 1>&6
-echo "configure:1297: checking for working autoconf" >&5
+echo "configure:1311: checking for working autoconf" >&5
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
# Redirect stdin to placate older versions of autoconf. Sigh.
fi
echo $ac_n "checking for working automake""... $ac_c" 1>&6
-echo "configure:1310: checking for working automake" >&5
+echo "configure:1324: checking for working automake" >&5
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
# Redirect stdin to placate older versions of autoconf. Sigh.
fi
echo $ac_n "checking for working autoheader""... $ac_c" 1>&6
-echo "configure:1323: checking for working autoheader" >&5
+echo "configure:1337: checking for working autoheader" >&5
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
# Redirect stdin to placate older versions of autoconf. Sigh.
fi
echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6
-echo "configure:1336: checking for working makeinfo" >&5
+echo "configure:1350: checking for working makeinfo" >&5
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
# Redirect stdin to placate older versions of autoconf. Sigh.
# LIBGCJ_CONFIGURE, which doesn't work because that means that it will
# be run before AC_CANONICAL_HOST.
echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:1355: checking build system type" >&5
+echo "configure:1369: checking build system type" >&5
build_alias=$build
case "$build_alias" in
# Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
set dummy ${ac_tool_prefix}as; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1376: checking for $ac_word" >&5
+echo "configure:1390: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
set dummy ${ac_tool_prefix}ar; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1408: checking for $ac_word" >&5
+echo "configure:1422: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
set dummy ${ac_tool_prefix}ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1440: checking for $ac_word" >&5
+echo "configure:1454: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1472: checking for $ac_word" >&5
+echo "configure:1486: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1517: checking for a BSD compatible install" >&5
+echo "configure:1531: checking for a BSD compatible install" >&5
if test -z "$INSTALL"; then
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:1571: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:1585: checking whether to enable maintainer-specific portions of Makefiles" >&5
# Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
if test "${enable_maintainer_mode+set}" = set; then
enableval="$enable_maintainer_mode"
echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1605: checking for executable suffix" >&5
+echo "configure:1619: checking for executable suffix" >&5
if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
rm -f conftest*
echo 'int main () { return 0; }' > conftest.$ac_ext
ac_cv_exeext=
- if { (eval echo configure:1615: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+ if { (eval echo configure:1629: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
for file in conftest.*; do
case $file in
- *.c | *.o | *.obj) ;;
+ *.c | *.o | *.obj | *.ilk | *.pdb) ;;
*) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
esac
done
if test "$GCC" = yes; then
# Check if gcc -print-prog-name=ld gives a path.
echo $ac_n "checking for ld used by GCC""... $ac_c" 1>&6
-echo "configure:1768: checking for ld used by GCC" >&5
+echo "configure:1782: checking for ld used by GCC" >&5
case $host in
*-*-mingw*)
# gcc leaves a trailing carriage return which upsets mingw
esac
elif test "$with_gnu_ld" = yes; then
echo $ac_n "checking for GNU ld""... $ac_c" 1>&6
-echo "configure:1798: checking for GNU ld" >&5
+echo "configure:1812: checking for GNU ld" >&5
else
echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
-echo "configure:1801: checking for non-GNU ld" >&5
+echo "configure:1815: checking for non-GNU ld" >&5
fi
if eval "test \"`echo '$''{'lt_cv_path_LD'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
fi
test -z "$LD" && { echo "configure: error: no acceptable ld found in \$PATH" 1>&2; exit 1; }
echo $ac_n "checking if the linker ($LD) is GNU ld""... $ac_c" 1>&6
-echo "configure:1836: checking if the linker ($LD) is GNU ld" >&5
+echo "configure:1850: checking if the linker ($LD) is GNU ld" >&5
if eval "test \"`echo '$''{'lt_cv_prog_gnu_ld'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
echo $ac_n "checking for $LD option to reload object files""... $ac_c" 1>&6
-echo "configure:1853: checking for $LD option to reload object files" >&5
+echo "configure:1867: checking for $LD option to reload object files" >&5
if eval "test \"`echo '$''{'lt_cv_ld_reload_flag'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
test -n "$reload_flag" && reload_flag=" $reload_flag"
echo $ac_n "checking for BSD-compatible nm""... $ac_c" 1>&6
-echo "configure:1865: checking for BSD-compatible nm" >&5
+echo "configure:1879: checking for BSD-compatible nm" >&5
if eval "test \"`echo '$''{'lt_cv_path_NM'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
echo "$ac_t""$NM" 1>&6
echo $ac_n "checking how to recognise dependant libraries""... $ac_c" 1>&6
-echo "configure:1903: checking how to recognise dependant libraries" >&5
+echo "configure:1917: checking how to recognise dependant libraries" >&5
if eval "test \"`echo '$''{'lt_cv_deplibs_check_method'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# This must be Linux ELF.
linux-gnu*)
case $host_cpu in
- alpha* | i*86 | powerpc* | sparc* | ia64* )
+ alpha* | hppa* | i*86 | powerpc* | sparc* | ia64* )
lt_cv_deplibs_check_method=pass_all ;;
*)
# glibc up to 2.1.1 does not perform some relocations on ARM
lt_cv_file_magic_test_file=/lib/libc.so
;;
+sysv5uw[78]* | sysv4*uw2*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
case $host_vendor in
ncr)
deplibs_check_method=$lt_cv_deplibs_check_method
echo $ac_n "checking for object suffix""... $ac_c" 1>&6
-echo "configure:2063: checking for object suffix" >&5
+echo "configure:2081: checking for object suffix" >&5
if eval "test \"`echo '$''{'ac_cv_objext'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
rm -f conftest*
echo 'int i = 1;' > conftest.$ac_ext
-if { (eval echo configure:2069: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2087: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
for ac_file in conftest.*; do
case $ac_file in
*.c) ;;
file_magic*)
if test "$file_magic_cmd" = '$MAGIC_CMD'; then
echo $ac_n "checking for ${ac_tool_prefix}file""... $ac_c" 1>&6
-echo "configure:2093: checking for ${ac_tool_prefix}file" >&5
+echo "configure:2111: checking for ${ac_tool_prefix}file" >&5
if eval "test \"`echo '$''{'lt_cv_path_MAGIC_CMD'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test -z "$lt_cv_path_MAGIC_CMD"; then
if test -n "$ac_tool_prefix"; then
echo $ac_n "checking for file""... $ac_c" 1>&6
-echo "configure:2155: checking for file" >&5
+echo "configure:2173: checking for file" >&5
if eval "test \"`echo '$''{'lt_cv_path_MAGIC_CMD'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
set dummy ${ac_tool_prefix}ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2226: checking for $ac_word" >&5
+echo "configure:2244: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2258: checking for $ac_word" >&5
+echo "configure:2276: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
set dummy ${ac_tool_prefix}strip; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2293: checking for $ac_word" >&5
+echo "configure:2311: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "strip", so it can be a program name with args.
set dummy strip; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2325: checking for $ac_word" >&5
+echo "configure:2343: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
case $host in
*-*-irix6*)
# Find out which ABI we are using.
- echo '#line 2392 "configure"' > conftest.$ac_ext
- if { (eval echo configure:2393: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ echo '#line 2410 "configure"' > conftest.$ac_ext
+ if { (eval echo configure:2411: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
case `/usr/bin/file conftest.$ac_objext` in
*32-bit*)
LD="${LD-ld} -32"
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -belf"
echo $ac_n "checking whether the C compiler needs -belf""... $ac_c" 1>&6
-echo "configure:2414: checking whether the C compiler needs -belf" >&5
+echo "configure:2432: checking whether the C compiler needs -belf" >&5
if eval "test \"`echo '$''{'lt_cv_cc_needs_belf'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cross_compiling=$ac_cv_prog_cc_cross
cat > conftest.$ac_ext <<EOF
-#line 2427 "configure"
+#line 2445 "configure"
#include "confdefs.h"
int main() {
; return 0; }
EOF
-if { (eval echo configure:2434: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2452: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
lt_cv_cc_needs_belf=yes
else
esac
echo $ac_n "checking how to run the C++ preprocessor""... $ac_c" 1>&6
-echo "configure:2464: checking how to run the C++ preprocessor" >&5
+echo "configure:2482: checking how to run the C++ preprocessor" >&5
if test -z "$CXXCPP"; then
if eval "test \"`echo '$''{'ac_cv_prog_CXXCPP'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
cross_compiling=$ac_cv_prog_cxx_cross
CXXCPP="${CXX-g++} -E"
cat > conftest.$ac_ext <<EOF
-#line 2477 "configure"
+#line 2495 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2482: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2500: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
fi
-if test -n "$enable_getenv_properties"; then
+if test -z "$enable_getenv_properties"; then
enable_getenv_properties=${enable_getenv_properties_default-yes}
fi
if test "$enable_getenv_properties" = no; then
fi
+
+# Check whether --enable-hash-synchronization or --disable-hash-synchronization was given.
+if test "${enable_hash_synchronization+set}" = set; then
+ enableval="$enable_hash_synchronization"
+ :
+fi
+
+
+if test -z "$enable_hash_synchronization"; then
+ enable_hash_synchronization=$enable_hash_synchronization_default
+fi
+HASH_SYNC_SPEC=
+if test "$enable_hash_synchronization" = yes; then
+ HASH_SYNC_SPEC=-fhash-synchronization
+ cat >> confdefs.h <<\EOF
+#define JV_HASH_SYNCHRONIZATION 1
+EOF
+
+fi
+
+
+
LIBGCJDEBUG="false"
# Check whether --enable-libgcj-debug or --disable-libgcj-debug was given.
fi
echo $ac_n "checking for exception model to use""... $ac_c" 1>&6
-echo "configure:2699: checking for exception model to use" >&5
+echo "configure:2739: checking for exception model to use" >&5
ac_ext=C
# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
:
else
cat > conftest.$ac_ext << EOF
-#line 2714 "configure"
+#line 2754 "configure"
struct S { ~S(); };
void bar();
void foo()
EOF
old_CXXFLAGS="$CXXFLAGS"
CXXFLAGS=-S
-if { (eval echo configure:2725: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2765: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
enable_sjlj_exceptions=yes
elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
echo "$ac_t""$ac_exception_model_name" 1>&6
echo $ac_n "checking for data_start""... $ac_c" 1>&6
-echo "configure:2757: checking for data_start" >&5
+echo "configure:2797: checking for data_start" >&5
LIBDATASTARTSPEC=
NEEDS_DATA_START=
cat > conftest.$ac_ext <<EOF
-#line 2761 "configure"
+#line 2801 "configure"
#include "confdefs.h"
extern int data_start;
int main() {
return ((int) &data_start);
; return 0; }
EOF
-if { (eval echo configure:2768: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2808: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
echo "$ac_t""found it" 1>&6
else
fi
-if test -n "$enable_java_net"; then
+if test -z "$enable_java_net"; then
enable_java_net=${enable_java_net_default-yes}
fi
if test "$enable_java_net" = no; then
esac
echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:2838: checking how to run the C preprocessor" >&5
+echo "configure:2878: checking how to run the C preprocessor" >&5
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
CPP=
# On the NeXT, cc -E runs the code through the compiler's parser,
# not just through cpp.
cat > conftest.$ac_ext <<EOF
-#line 2853 "configure"
+#line 2893 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2859: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2899: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
rm -rf conftest*
CPP="${CC-cc} -E -traditional-cpp"
cat > conftest.$ac_ext <<EOF
-#line 2870 "configure"
+#line 2910 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2876: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2916: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
rm -rf conftest*
CPP="${CC-cc} -nologo -E"
cat > conftest.$ac_ext <<EOF
-#line 2887 "configure"
+#line 2927 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2893: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2933: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
echo "$ac_t""$CPP" 1>&6
cat > conftest.$ac_ext <<EOF
-#line 2918 "configure"
+#line 2958 "configure"
#include "confdefs.h"
#include <stdint.h>
EOF
rm -f conftest*
cat > conftest.$ac_ext <<EOF
-#line 2933 "configure"
+#line 2973 "configure"
#include "confdefs.h"
#include <inttypes.h>
EOF
rm -f conftest*
cat > conftest.$ac_ext <<EOF
-#line 2948 "configure"
+#line 2988 "configure"
#include "confdefs.h"
#include <sys/types.h>
EOF
rm -f conftest*
cat > conftest.$ac_ext <<EOF
-#line 2963 "configure"
+#line 3003 "configure"
#include "confdefs.h"
#include <sys/config.h>
EOF
cat > conftest.$ac_ext <<EOF
-#line 2980 "configure"
+#line 3020 "configure"
#include "confdefs.h"
#include <time.h>
EOF
rm -f conftest*
cat > conftest.$ac_ext <<EOF
-#line 2995 "configure"
+#line 3035 "configure"
#include "confdefs.h"
#include <time.h>
EOF
libsubdir=.libs
echo $ac_n "checking for garbage collector to use""... $ac_c" 1>&6
-echo "configure:3039: checking for garbage collector to use" >&5
+echo "configure:3079: checking for garbage collector to use" >&5
# Check whether --enable-java-gc or --disable-java-gc was given.
if test "${enable_java_gc+set}" = set; then
enableval="$enable_java_gc"
echo $ac_n "checking for thread model used by GCC""... $ac_c" 1>&6
-echo "configure:3095: checking for thread model used by GCC" >&5
+echo "configure:3135: checking for thread model used by GCC" >&5
THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
echo "$ac_t""$THREADS" 1>&6
for ac_func in strerror ioctl select fstat open fsync sleep
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3241: checking for $ac_func" >&5
+echo "configure:3281: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3246 "configure"
+#line 3286 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:3269: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3309: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
for ac_func in gmtime_r localtime_r readdir_r getpwuid_r getcwd
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3296: checking for $ac_func" >&5
+echo "configure:3336: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3301 "configure"
+#line 3341 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:3324: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3364: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
for ac_func in access stat mkdir rename rmdir unlink realpath utime chmod
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3351: checking for $ac_func" >&5
+echo "configure:3391: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3356 "configure"
+#line 3396 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:3379: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3419: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
for ac_func in iconv nl_langinfo setlocale
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3406: checking for $ac_func" >&5
+echo "configure:3446: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3411 "configure"
+#line 3451 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:3434: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3474: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
for ac_func in inet_aton inet_addr
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3461: checking for $ac_func" >&5
+echo "configure:3501: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3466 "configure"
+#line 3506 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:3489: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3529: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
for ac_func in inet_pton uname inet_ntoa
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3516: checking for $ac_func" >&5
+echo "configure:3556: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3521 "configure"
+#line 3561 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:3544: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3584: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
for ac_func in backtrace fork execvp pipe
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3571: checking for $ac_func" >&5
+echo "configure:3611: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3576 "configure"
+#line 3616 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:3599: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3639: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3627: checking for $ac_hdr" >&5
+echo "configure:3667: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3632 "configure"
+#line 3672 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3637: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3677: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
done
echo $ac_n "checking for dladdr in -ldl""... $ac_c" 1>&6
-echo "configure:3664: checking for dladdr in -ldl" >&5
+echo "configure:3704: checking for dladdr in -ldl" >&5
ac_lib_var=`echo dl'_'dladdr | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-ldl $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 3672 "configure"
+#line 3712 "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
dladdr()
; return 0; }
EOF
-if { (eval echo configure:3683: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3723: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
ac_safe=`echo "$ac_file" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_file""... $ac_c" 1>&6
-echo "configure:3712: checking for $ac_file" >&5
+echo "configure:3752: checking for $ac_file" >&5
if eval "test \"`echo '$''{'ac_cv_file_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
for ac_func in gethostbyname_r
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3747: checking for $ac_func" >&5
+echo "configure:3787: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3752 "configure"
+#line 3792 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:3775: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3815: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
# We look for the one that returns `int'.
# Hopefully this check is robust enough.
cat > conftest.$ac_ext <<EOF
-#line 3802 "configure"
+#line 3842 "configure"
#include "confdefs.h"
#include <netdb.h>
EOF
*" -D_REENTRANT "*) ;;
*)
echo $ac_n "checking whether gethostbyname_r declaration requires -D_REENTRANT""... $ac_c" 1>&6
-echo "configure:3822: checking whether gethostbyname_r declaration requires -D_REENTRANT" >&5
+echo "configure:3862: checking whether gethostbyname_r declaration requires -D_REENTRANT" >&5
if eval "test \"`echo '$''{'libjava_cv_gethostbyname_r_needs_reentrant'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cross_compiling=$ac_cv_prog_cxx_cross
cat > conftest.$ac_ext <<EOF
-#line 3835 "configure"
+#line 3875 "configure"
#include "confdefs.h"
#include <netdb.h>
int main() {
gethostbyname_r("", 0, 0);
; return 0; }
EOF
-if { (eval echo configure:3842: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3882: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
libjava_cv_gethostbyname_r_needs_reentrant=no
else
CPPFLAGS_SAVE="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -D_REENTRANT"
cat > conftest.$ac_ext <<EOF
-#line 3852 "configure"
+#line 3892 "configure"
#include "confdefs.h"
#include <netdb.h>
int main() {
gethostbyname_r("", 0, 0);
; return 0; }
EOF
-if { (eval echo configure:3859: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3899: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
libjava_cv_gethostbyname_r_needs_reentrant=yes
else
esac
echo $ac_n "checking for struct hostent_data""... $ac_c" 1>&6
-echo "configure:3894: checking for struct hostent_data" >&5
+echo "configure:3934: checking for struct hostent_data" >&5
if eval "test \"`echo '$''{'libjava_cv_struct_hostent_data'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3899 "configure"
+#line 3939 "configure"
#include "confdefs.h"
#if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
struct hostent_data data;
; return 0; }
EOF
-if { (eval echo configure:3910: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3950: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
libjava_cv_struct_hostent_data=yes
else
for ac_func in gethostbyaddr_r
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3939: checking for $ac_func" >&5
+echo "configure:3979: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3944 "configure"
+#line 3984 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:3967: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4007: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
# We look for the one that returns `int'.
# Hopefully this check is robust enough.
cat > conftest.$ac_ext <<EOF
-#line 3994 "configure"
+#line 4034 "configure"
#include "confdefs.h"
#include <netdb.h>
EOF
for ac_func in gethostname
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4018: checking for $ac_func" >&5
+echo "configure:4058: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4023 "configure"
+#line 4063 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:4046: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4086: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
EOF
cat > conftest.$ac_ext <<EOF
-#line 4070 "configure"
+#line 4110 "configure"
#include "confdefs.h"
#include <unistd.h>
EOF
for ac_func in pthread_mutexattr_settype pthread_mutexattr_setkind_np
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4101: checking for $ac_func" >&5
+echo "configure:4141: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4106 "configure"
+#line 4146 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:4129: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4169: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
for ac_func in sched_yield
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4159: checking for $ac_func" >&5
+echo "configure:4199: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4164 "configure"
+#line 4204 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:4187: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4227: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
else
echo "$ac_t""no" 1>&6
echo $ac_n "checking for sched_yield in -lrt""... $ac_c" 1>&6
-echo "configure:4209: checking for sched_yield in -lrt" >&5
+echo "configure:4249: checking for sched_yield in -lrt" >&5
ac_lib_var=`echo rt'_'sched_yield | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lrt $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4217 "configure"
+#line 4257 "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
sched_yield()
; return 0; }
EOF
-if { (eval echo configure:4228: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4268: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
echo "$ac_t""no" 1>&6
echo $ac_n "checking for sched_yield in -lposix4""... $ac_c" 1>&6
-echo "configure:4254: checking for sched_yield in -lposix4" >&5
+echo "configure:4294: checking for sched_yield in -lposix4" >&5
ac_lib_var=`echo posix4'_'sched_yield | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lposix4 $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4262 "configure"
+#line 4302 "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
sched_yield()
; return 0; }
EOF
-if { (eval echo configure:4273: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4313: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
# We can save a little space at runtime if the mutex has m_count
# or __m_count. This is a nice hack for Linux.
cat > conftest.$ac_ext <<EOF
-#line 4309 "configure"
+#line 4349 "configure"
#include "confdefs.h"
#include <pthread.h>
int main() {
; return 0; }
EOF
-if { (eval echo configure:4318: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4358: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
cat >> confdefs.h <<\EOF
#define PTHREAD_MUTEX_HAVE_M_COUNT 1
rm -rf conftest*
cat > conftest.$ac_ext <<EOF
-#line 4330 "configure"
+#line 4370 "configure"
#include "confdefs.h"
#include <pthread.h>
int main() {
; return 0; }
EOF
-if { (eval echo configure:4339: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4379: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
cat >> confdefs.h <<\EOF
#define PTHREAD_MUTEX_HAVE___M_COUNT 1
for ac_func in gettimeofday time ftime
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4359: checking for $ac_func" >&5
+echo "configure:4399: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4364 "configure"
+#line 4404 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:4387: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4427: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
for ac_func in memmove
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4418: checking for $ac_func" >&5
+echo "configure:4458: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4423 "configure"
+#line 4463 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:4446: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4486: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
for ac_func in memcpy
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4476: checking for $ac_func" >&5
+echo "configure:4516: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4481 "configure"
+#line 4521 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:4504: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4544: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
#--------------------------------------------------------------------
echo $ac_n "checking for socket libraries""... $ac_c" 1>&6
-echo "configure:4552: checking for socket libraries" >&5
+echo "configure:4592: checking for socket libraries" >&5
if eval "test \"`echo '$''{'gcj_cv_lib_sockets'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
gcj_checkBoth=0
unset ac_cv_func_connect
echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:4560: checking for connect" >&5
+echo "configure:4600: checking for connect" >&5
if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4565 "configure"
+#line 4605 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char connect(); below. */
; return 0; }
EOF
-if { (eval echo configure:4588: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4628: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_connect=yes"
else
if test "$gcj_checkSocket" = 1; then
unset ac_cv_func_connect
echo $ac_n "checking for main in -lsocket""... $ac_c" 1>&6
-echo "configure:4611: checking for main in -lsocket" >&5
+echo "configure:4651: checking for main in -lsocket" >&5
ac_lib_var=`echo socket'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lsocket $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4619 "configure"
+#line 4659 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:4626: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4666: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
LIBS="$LIBS -lsocket -lnsl"
unset ac_cv_func_accept
echo $ac_n "checking for accept""... $ac_c" 1>&6
-echo "configure:4653: checking for accept" >&5
+echo "configure:4693: checking for accept" >&5
if eval "test \"`echo '$''{'ac_cv_func_accept'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4658 "configure"
+#line 4698 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char accept(); below. */
; return 0; }
EOF
-if { (eval echo configure:4681: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4721: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_accept=yes"
else
gcj_oldLibs=$LIBS
LIBS="$LIBS $gcj_cv_lib_sockets"
echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:4708: checking for gethostbyname" >&5
+echo "configure:4748: checking for gethostbyname" >&5
if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4713 "configure"
+#line 4753 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char gethostbyname(); below. */
; return 0; }
EOF
-if { (eval echo configure:4736: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4776: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_gethostbyname=yes"
else
else
echo "$ac_t""no" 1>&6
echo $ac_n "checking for main in -lnsl""... $ac_c" 1>&6
-echo "configure:4754: checking for main in -lnsl" >&5
+echo "configure:4794: checking for main in -lnsl" >&5
ac_lib_var=`echo nsl'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lnsl $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4762 "configure"
+#line 4802 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:4769: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4809: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
if test "$with_system_zlib" = yes; then
echo $ac_n "checking for deflate in -lz""... $ac_c" 1>&6
-echo "configure:4801: checking for deflate in -lz" >&5
+echo "configure:4841: checking for deflate in -lz" >&5
ac_lib_var=`echo z'_'deflate | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lz $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4809 "configure"
+#line 4849 "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
deflate()
; return 0; }
EOF
-if { (eval echo configure:4820: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4860: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
# requires -ldl.
if test "$GC" = boehm; then
echo $ac_n "checking for main in -ldl""... $ac_c" 1>&6
-echo "configure:4850: checking for main in -ldl" >&5
+echo "configure:4890: checking for main in -ldl" >&5
ac_lib_var=`echo dl'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-ldl $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4858 "configure"
+#line 4898 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:4865: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4905: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
# Extract the first word of "${ac_tool_prefix}gcj", so it can be a program name with args.
set dummy ${ac_tool_prefix}gcj; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4931: checking for $ac_word" >&5
+echo "configure:4971: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_GCJ'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "gcj", so it can be a program name with args.
set dummy gcj; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4963: checking for $ac_word" >&5
+echo "configure:5003: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_GCJ'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
CPPFLAGS=$GCJ_SAVE_CPPFLAGS
echo $ac_n "checking size of void *""... $ac_c" 1>&6
-echo "configure:5025: checking size of void *" >&5
+echo "configure:5065: checking size of void *" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_void_p'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
cat > conftest.$ac_ext <<EOF
-#line 5033 "configure"
+#line 5073 "configure"
#include "confdefs.h"
#include <stdio.h>
main()
exit(0);
}
EOF
-if { (eval echo configure:5044: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5084: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_sizeof_void_p=`cat conftestval`
else
echo $ac_n "checking for g++ -ffloat-store bug""... $ac_c" 1>&6
-echo "configure:5142: checking for g++ -ffloat-store bug" >&5
+echo "configure:5182: checking for g++ -ffloat-store bug" >&5
save_CFLAGS="$CFLAGS"
CFLAGS="-x c++ -O2 -ffloat-store"
cat > conftest.$ac_ext <<EOF
-#line 5146 "configure"
+#line 5186 "configure"
#include "confdefs.h"
#include <math.h>
int main() {
; return 0; }
EOF
-if { (eval echo configure:5153: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5193: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
echo "$ac_t""no" 1>&6
else
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5173: checking for $ac_hdr" >&5
+echo "configure:5213: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5178 "configure"
+#line 5218 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5183: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5223: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5213: checking for $ac_hdr" >&5
+echo "configure:5253: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5218 "configure"
+#line 5258 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5223: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5263: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:5251: checking for ANSI C header files" >&5
+echo "configure:5291: checking for ANSI C header files" >&5
if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5256 "configure"
+#line 5296 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <float.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5264: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5304: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
if test $ac_cv_header_stdc = yes; then
# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
-#line 5281 "configure"
+#line 5321 "configure"
#include "confdefs.h"
#include <string.h>
EOF
if test $ac_cv_header_stdc = yes; then
# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
-#line 5299 "configure"
+#line 5339 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
:
else
cat > conftest.$ac_ext <<EOF
-#line 5320 "configure"
+#line 5360 "configure"
#include "confdefs.h"
#include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
exit (0); }
EOF
-if { (eval echo configure:5331: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5371: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
:
else
fi
echo $ac_n "checking for ssize_t""... $ac_c" 1>&6
-echo "configure:5355: checking for ssize_t" >&5
+echo "configure:5395: checking for ssize_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_ssize_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5360 "configure"
+#line 5400 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
echo $ac_n "checking for in_addr_t""... $ac_c" 1>&6
-echo "configure:5389: checking for in_addr_t" >&5
+echo "configure:5429: checking for in_addr_t" >&5
cat > conftest.$ac_ext <<EOF
-#line 5391 "configure"
+#line 5431 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
in_addr_t foo;
; return 0; }
EOF
-if { (eval echo configure:5405: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5445: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
cat >> confdefs.h <<\EOF
#define HAVE_IN_ADDR_T 1
rm -f conftest*
echo $ac_n "checking whether struct ip_mreq is in netinet/in.h""... $ac_c" 1>&6
-echo "configure:5421: checking whether struct ip_mreq is in netinet/in.h" >&5
+echo "configure:5461: checking whether struct ip_mreq is in netinet/in.h" >&5
cat > conftest.$ac_ext <<EOF
-#line 5423 "configure"
+#line 5463 "configure"
#include "confdefs.h"
#include <netinet/in.h>
int main() {
struct ip_mreq mreq;
; return 0; }
EOF
-if { (eval echo configure:5430: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5470: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
cat >> confdefs.h <<\EOF
#define HAVE_STRUCT_IP_MREQ 1
rm -f conftest*
echo $ac_n "checking whether struct sockaddr_in6 is in netinet/in.h""... $ac_c" 1>&6
-echo "configure:5446: checking whether struct sockaddr_in6 is in netinet/in.h" >&5
+echo "configure:5486: checking whether struct sockaddr_in6 is in netinet/in.h" >&5
cat > conftest.$ac_ext <<EOF
-#line 5448 "configure"
+#line 5488 "configure"
#include "confdefs.h"
#include <netinet/in.h>
int main() {
struct sockaddr_in6 addr6;
; return 0; }
EOF
-if { (eval echo configure:5455: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5495: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
cat >> confdefs.h <<\EOF
#define HAVE_INET6 1
rm -f conftest*
echo $ac_n "checking for socklen_t in sys/socket.h""... $ac_c" 1>&6
-echo "configure:5471: checking for socklen_t in sys/socket.h" >&5
+echo "configure:5511: checking for socklen_t in sys/socket.h" >&5
cat > conftest.$ac_ext <<EOF
-#line 5473 "configure"
+#line 5513 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/socket.h>
socklen_t x = 5;
; return 0; }
EOF
-if { (eval echo configure:5481: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5521: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
cat >> confdefs.h <<\EOF
#define HAVE_SOCKLEN_T 1
rm -f conftest*
echo $ac_n "checking for tm_gmtoff in struct tm""... $ac_c" 1>&6
-echo "configure:5497: checking for tm_gmtoff in struct tm" >&5
+echo "configure:5537: checking for tm_gmtoff in struct tm" >&5
cat > conftest.$ac_ext <<EOF
-#line 5499 "configure"
+#line 5539 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
struct tm tim; tim.tm_gmtoff = 0;
; return 0; }
EOF
-if { (eval echo configure:5506: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5546: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
cat >> confdefs.h <<\EOF
#define STRUCT_TM_HAS_GMTOFF 1
rm -rf conftest*
echo "$ac_t""no" 1>&6
echo $ac_n "checking for global timezone variable""... $ac_c" 1>&6
-echo "configure:5519: checking for global timezone variable" >&5
+echo "configure:5559: checking for global timezone variable" >&5
cat > conftest.$ac_ext <<EOF
-#line 5521 "configure"
+#line 5561 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
long z2 = timezone;
; return 0; }
EOF
-if { (eval echo configure:5528: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5568: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
cat >> confdefs.h <<\EOF
#define HAVE_TIMEZONE 1
# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
# for constant arguments. Useless!
echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6
-echo "configure:5548: checking for working alloca.h" >&5
+echo "configure:5588: checking for working alloca.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5553 "configure"
+#line 5593 "configure"
#include "confdefs.h"
#include <alloca.h>
int main() {
char *p = alloca(2 * sizeof(int));
; return 0; }
EOF
-if { (eval echo configure:5560: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5600: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
ac_cv_header_alloca_h=yes
else
fi
echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:5581: checking for alloca" >&5
+echo "configure:5621: checking for alloca" >&5
if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5586 "configure"
+#line 5626 "configure"
#include "confdefs.h"
#ifdef __GNUC__
char *p = (char *) alloca(1);
; return 0; }
EOF
-if { (eval echo configure:5614: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5654: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
ac_cv_func_alloca_works=yes
else
echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:5646: checking whether alloca needs Cray hooks" >&5
+echo "configure:5686: checking whether alloca needs Cray hooks" >&5
if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5651 "configure"
+#line 5691 "configure"
#include "confdefs.h"
#if defined(CRAY) && ! defined(CRAY2)
webecray
if test $ac_cv_os_cray = yes; then
for ac_func in _getb67 GETB67 getb67; do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5676: checking for $ac_func" >&5
+echo "configure:5716: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5681 "configure"
+#line 5721 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:5704: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5744: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
fi
echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:5731: checking stack direction for C alloca" >&5
+echo "configure:5771: checking stack direction for C alloca" >&5
if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_cv_c_stack_direction=0
else
cat > conftest.$ac_ext <<EOF
-#line 5739 "configure"
+#line 5779 "configure"
#include "confdefs.h"
find_stack_direction ()
{
exit (find_stack_direction() < 0);
}
EOF
-if { (eval echo configure:5758: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5798: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_c_stack_direction=1
else
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5785: checking for $ac_word" >&5
+echo "configure:5825: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_PERL'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Uses ac_ vars as temps to allow command line to override cache and checks.
# --without-x overrides everything else, but does not touch the cache.
echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:5857: checking for X" >&5
+echo "configure:5897: checking for X" >&5
# Check whether --with-x or --without-x was given.
if test "${with_x+set}" = set; then
# First, try using that file with no special directory specified.
cat > conftest.$ac_ext <<EOF
-#line 5919 "configure"
+#line 5959 "configure"
#include "confdefs.h"
#include <$x_direct_test_include>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5924: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5964: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
ac_save_LIBS="$LIBS"
LIBS="-l$x_direct_test_library $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 5993 "configure"
+#line 6033 "configure"
#include "confdefs.h"
int main() {
${x_direct_test_function}()
; return 0; }
EOF
-if { (eval echo configure:6000: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6040: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
LIBS="$ac_save_LIBS"
# We can link X programs with no special library path.
case "`(uname -sr) 2>/dev/null`" in
"SunOS 5"*)
echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
-echo "configure:6106: checking whether -R must be followed by a space" >&5
+echo "configure:6146: checking whether -R must be followed by a space" >&5
ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
cat > conftest.$ac_ext <<EOF
-#line 6109 "configure"
+#line 6149 "configure"
#include "confdefs.h"
int main() {
; return 0; }
EOF
-if { (eval echo configure:6116: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6156: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
ac_R_nospace=yes
else
else
LIBS="$ac_xsave_LIBS -R $x_libraries"
cat > conftest.$ac_ext <<EOF
-#line 6132 "configure"
+#line 6172 "configure"
#include "confdefs.h"
int main() {
; return 0; }
EOF
-if { (eval echo configure:6139: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6179: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
ac_R_space=yes
else
# libraries were built with DECnet support. And karl@cs.umb.edu says
# the Alpha needs dnet_stub (dnet does not exist).
echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
-echo "configure:6171: checking for dnet_ntoa in -ldnet" >&5
+echo "configure:6211: checking for dnet_ntoa in -ldnet" >&5
ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-ldnet $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 6179 "configure"
+#line 6219 "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
dnet_ntoa()
; return 0; }
EOF
-if { (eval echo configure:6190: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6230: \"$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
if test $ac_cv_lib_dnet_dnet_ntoa = no; then
echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
-echo "configure:6212: checking for dnet_ntoa in -ldnet_stub" >&5
+echo "configure:6252: checking for dnet_ntoa in -ldnet_stub" >&5
ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-ldnet_stub $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 6220 "configure"
+#line 6260 "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
dnet_ntoa()
; return 0; }
EOF
-if { (eval echo configure:6231: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6271: \"$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
# The nsl library prevents programs from opening the X display
# on Irix 5.2, according to dickey@clark.net.
echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:6260: checking for gethostbyname" >&5
+echo "configure:6300: checking for gethostbyname" >&5
if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6265 "configure"
+#line 6305 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char gethostbyname(); below. */
; return 0; }
EOF
-if { (eval echo configure:6288: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6328: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_gethostbyname=yes"
else
if test $ac_cv_func_gethostbyname = no; then
echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:6309: checking for gethostbyname in -lnsl" >&5
+echo "configure:6349: checking for gethostbyname in -lnsl" >&5
ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lnsl $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 6317 "configure"
+#line 6357 "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
gethostbyname()
; return 0; }
EOF
-if { (eval echo configure:6328: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6368: \"$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
# -lsocket must be given before -lnsl if both are needed.
# We assume that if connect needs -lnsl, so does gethostbyname.
echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:6358: checking for connect" >&5
+echo "configure:6398: checking for connect" >&5
if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6363 "configure"
+#line 6403 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char connect(); below. */
; return 0; }
EOF
-if { (eval echo configure:6386: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6426: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_connect=yes"
else
if test $ac_cv_func_connect = no; then
echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
-echo "configure:6407: checking for connect in -lsocket" >&5
+echo "configure:6447: checking for connect in -lsocket" >&5
ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 6415 "configure"
+#line 6455 "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
connect()
; return 0; }
EOF
-if { (eval echo configure:6426: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6466: \"$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
# gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
echo $ac_n "checking for remove""... $ac_c" 1>&6
-echo "configure:6450: checking for remove" >&5
+echo "configure:6490: checking for remove" >&5
if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6455 "configure"
+#line 6495 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char remove(); below. */
; return 0; }
EOF
-if { (eval echo configure:6478: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6518: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_remove=yes"
else
if test $ac_cv_func_remove = no; then
echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
-echo "configure:6499: checking for remove in -lposix" >&5
+echo "configure:6539: checking for remove in -lposix" >&5
ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lposix $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 6507 "configure"
+#line 6547 "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
remove()
; return 0; }
EOF
-if { (eval echo configure:6518: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6558: \"$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
# BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
echo $ac_n "checking for shmat""... $ac_c" 1>&6
-echo "configure:6542: checking for shmat" >&5
+echo "configure:6582: checking for shmat" >&5
if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6547 "configure"
+#line 6587 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char shmat(); below. */
; return 0; }
EOF
-if { (eval echo configure:6570: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6610: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_shmat=yes"
else
if test $ac_cv_func_shmat = no; then
echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
-echo "configure:6591: checking for shmat in -lipc" >&5
+echo "configure:6631: checking for shmat in -lipc" >&5
ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lipc $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 6599 "configure"
+#line 6639 "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
shmat()
; return 0; }
EOF
-if { (eval echo configure:6610: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6650: \"$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
# libraries we check for below, so use a different variable.
# --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
-echo "configure:6643: checking for IceConnectionNumber in -lICE" >&5
+echo "configure:6683: checking for IceConnectionNumber in -lICE" >&5
ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lICE $X_EXTRA_LIBS $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 6651 "configure"
+#line 6691 "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
IceConnectionNumber()
; return 0; }
EOF
-if { (eval echo configure:6662: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6702: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
ac_given_srcdir=$srcdir
ac_given_INSTALL="$INSTALL"
-trap 'rm -fr `echo "Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile include/config.h" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
+trap 'rm -fr `echo "Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile include/config.h gcj/libgcj-config.h" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
EOF
cat >> $CONFIG_STATUS <<EOF
s%@COMPPATH@%$COMPPATH%g
s%@TESTSUBDIR_TRUE@%$TESTSUBDIR_TRUE%g
s%@TESTSUBDIR_FALSE@%$TESTSUBDIR_FALSE%g
+s%@HASH_SYNC_SPEC@%$HASH_SYNC_SPEC%g
s%@LIBGCJDEBUG@%$LIBGCJDEBUG%g
s%@LIBDATASTARTSPEC@%$LIBDATASTARTSPEC%g
s%@CPP@%$CPP%g
if test "${CONFIG_HEADERS+set}" != set; then
EOF
cat >> $CONFIG_STATUS <<EOF
- CONFIG_HEADERS="include/config.h"
+ CONFIG_HEADERS="include/config.h gcj/libgcj-config.h"
EOF
cat >> $CONFIG_STATUS <<\EOF
fi
EOF
cat >> $CONFIG_STATUS <<\EOF
-test -z "$CONFIG_HEADERS" || echo timestamp > include/stamp-h
+am_indx=1
+for am_file in include/config.h gcj/libgcj-config.h; do
+ case " $CONFIG_HEADERS " in
+ *" $am_file "*)
+ echo timestamp > `echo $am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
+ ;;
+ esac
+ am_indx=`expr "$am_indx" + 1`
+done
if test -n "$CONFIG_FILES"; then
ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
fi
libgcj_cxxflags=
libgcj_javaflags=
libgcj_interpreter=
+enable_java_net_default=yes
+enable_hash_synchronization_default=no
case "${target_optspace}:${host}" in
yes:*)
libgcj_cxxflags="-D__NO_MATH_INLINES"
libgcj_cflags="-D__NO_MATH_INLINES"
DIVIDESPEC=-fno-use-divide-subroutine
+ enable_hash_synchronization_default=yes
;;
alpha*-*)
libgcj_flags="${libgcj_flags} -mieee"
ia64-*)
libgcj_flags="${libgcj_flags} -funwind-tables"
libgcj_interpreter=yes
+ enable_hash_synchronization_default=yes
;;
esac
LIBGCJ_CONFIGURE(.)
-AM_CONFIG_HEADER(include/config.h)
+AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
# Only use libltdl for native builds.
if test -z "${with_cross_host}"; then
don't set system properties from GCJ_PROPERTIES])
dnl Whether GCJ_PROPERTIES is used depends on the target.
-if test -n "$enable_getenv_properties"; then
+if test -z "$enable_getenv_properties"; then
enable_getenv_properties=${enable_getenv_properties_default-yes}
fi
if test "$enable_getenv_properties" = no; then
AC_DEFINE(DISABLE_GETENV_PROPERTIES)
fi
+
+dnl Should we use hashtable-based synchronization?
+dnl Currently works only for Linux X86/ia64
+dnl Typically faster and more space-efficient
+AC_ARG_ENABLE(hash-synchronization,
+[ --enable-hash-synchronization
+ Use global hash table for monitor locks])
+
+if test -z "$enable_hash_synchronization"; then
+ enable_hash_synchronization=$enable_hash_synchronization_default
+fi
+HASH_SYNC_SPEC=
+if test "$enable_hash_synchronization" = yes; then
+ HASH_SYNC_SPEC=-fhash-synchronization
+ AC_DEFINE(JV_HASH_SYNCHRONIZATION)
+fi
+AC_SUBST(HASH_SYNC_SPEC)
+
+
dnl See if the user has requested runtime debugging.
LIBGCJDEBUG="false"
AC_SUBST(LIBGCJDEBUG)
[ --disable-java-net disable java.net])
dnl Whether java.net is built by default can depend on the target.
-if test -n "$enable_java_net"; then
+if test -z "$enable_java_net"; then
enable_java_net=${enable_java_net_default-yes}
fi
if test "$enable_java_net" = no; then
void _Jv_ClassReader::read_constpool ()
{
- tags = (unsigned char*) _Jv_AllocBytesChecked (pool_count);
- offsets = (unsigned int *) _Jv_AllocBytesChecked (sizeof (int)
+ tags = (unsigned char*) _Jv_AllocBytes (pool_count);
+ offsets = (unsigned int *) _Jv_AllocBytes (sizeof (int)
* pool_count) ;
/** first, we scan the constant pool, collecting tags and offsets */
/** now, we actually define the class' constant pool */
// the pool is scanned explicitly by the collector
- jbyte *pool_tags = (jbyte*) _Jv_AllocBytesChecked (pool_count);
+ jbyte *pool_tags = (jbyte*) _Jv_AllocBytes (pool_count);
_Jv_word *pool_data
- = (_Jv_word*) _Jv_AllocBytesChecked (pool_count * sizeof (_Jv_word));
+ = (_Jv_word*) _Jv_AllocBytes (pool_count * sizeof (_Jv_word));
def->constants.tags = pool_tags;
def->constants.data = pool_data;
void _Jv_ClassReader::handleInterfacesBegin (int count)
{
- def->interfaces = (jclass*) _Jv_AllocBytesChecked (count*sizeof (jclass));
+ def->interfaces = (jclass*) _Jv_AllocBytes (count*sizeof (jclass));
def->interface_count = count;
}
void _Jv_ClassReader::handleFieldsBegin (int count)
{
def->fields = (_Jv_Field*)
- _Jv_AllocBytesChecked (count * sizeof (_Jv_Field));
+ _Jv_AllocBytes (count * sizeof (_Jv_Field));
def->field_count = count;
def->field_initializers = (_Jv_ushort*)
- _Jv_AllocBytesChecked (count * sizeof (_Jv_ushort));
+ _Jv_AllocBytes (count * sizeof (_Jv_ushort));
for (int i = 0; i < count; i++)
def->field_initializers[i] = (_Jv_ushort) 0;
}
_Jv_ClassReader::handleMethodsBegin (int count)
{
def->methods = (_Jv_Method*)
- _Jv_AllocBytesChecked (sizeof (_Jv_Method)*count);
+ _Jv_AllocBytes (sizeof (_Jv_Method)*count);
def->interpreted_methods
- = (_Jv_MethodBase **) _Jv_AllocBytesChecked (sizeof (_Jv_MethodBase *)
- * count);
+ = (_Jv_MethodBase **) _Jv_AllocBytes (sizeof (_Jv_MethodBase *)
+ * count);
for (int i = 0; i < count; i++)
def->interpreted_methods[i] = 0;
{
int size = _Jv_InterpMethod::size (exc_table_length, code_length);
_Jv_InterpMethod *method =
- (_Jv_InterpMethod*) (_Jv_AllocBytesChecked (size));
+ (_Jv_InterpMethod*) (_Jv_AllocBytes (size));
method->max_stack = max_stack;
method->max_locals = max_locals;
else
{
_Jv_JNIMethod *m = (_Jv_JNIMethod *)
- _Jv_AllocBytesChecked (sizeof (_Jv_JNIMethod));
+ _Jv_AllocBytes (sizeof (_Jv_JNIMethod));
m->defining_class = def;
m->self = method;
m->function = NULL;
AUTOMAKE_OPTIONS = foreign
gcjdir = $(includedir)/gcj
-gcj_HEADERS = array.h cni.h field.h javaprims.h method.h
+gcj_HEADERS = array.h cni.h field.h javaprims.h method.h libgcj-config.h
GCOBJS = @GCOBJS@
GCSPEC = @GCSPEC@
GCTESTSPEC = @GCTESTSPEC@
+HASH_SYNC_SPEC = @HASH_SYNC_SPEC@
INCLTDL = @INCLTDL@
JC1GCSPEC = @JC1GCSPEC@
LIBDATASTARTSPEC = @LIBDATASTARTSPEC@
AUTOMAKE_OPTIONS = foreign
gcjdir = $(includedir)/gcj
-gcj_HEADERS = array.h cni.h field.h javaprims.h method.h
+gcj_HEADERS = array.h cni.h field.h javaprims.h method.h libgcj-config.h
mkinstalldirs = $(SHELL) $(top_srcdir)/../mkinstalldirs
-CONFIG_HEADER = ../include/config.h
+CONFIG_HEADER = ../include/config.h libgcj-config.h
CONFIG_CLEAN_FILES =
HEADERS = $(gcj_HEADERS)
-DIST_COMMON = Makefile.am Makefile.in
+DIST_COMMON = ./stamp-h2.in Makefile.am Makefile.in libgcj-config.h.in
DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
&& CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
+libgcj-config.h: stamp-h2
+ @if test ! -f $@; then \
+ rm -f stamp-h2; \
+ $(MAKE) stamp-h2; \
+ else :; fi
+stamp-h2: $(srcdir)/libgcj-config.h.in $(top_builddir)/config.status
+ cd $(top_builddir) \
+ && CONFIG_FILES= CONFIG_HEADERS=gcj/libgcj-config.h \
+ $(SHELL) ./config.status
+ @echo timestamp > stamp-h2 2> /dev/null
+$(srcdir)/libgcj-config.h.in: @MAINTAINER_MODE_TRUE@$(srcdir)/stamp-h2.in
+ @if test ! -f $@; then \
+ rm -f $(srcdir)/stamp-h2.in; \
+ $(MAKE) $(srcdir)/stamp-h2.in; \
+ else :; fi
+$(srcdir)/stamp-h2.in: $(top_srcdir)/configure.in $(ACLOCAL_M4)
+ cd $(top_srcdir) && $(AUTOHEADER)
+ @echo timestamp > $(srcdir)/stamp-h2.in 2> /dev/null
+
+mostlyclean-hdr:
+
+clean-hdr:
+
+distclean-hdr:
+ -rm -f libgcj-config.h
+
+maintainer-clean-hdr:
+
install-gcjHEADERS: $(gcj_HEADERS)
@$(NORMAL_INSTALL)
$(mkinstalldirs) $(DESTDIR)$(gcjdir)
here=`pwd` && cd $(srcdir) \
&& mkid -f$$here/ID $$unique $(LISP)
-TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) $(LISP)
+TAGS: $(HEADERS) $(SOURCES) libgcj-config.h.in $(TAGS_DEPENDENCIES) $(LISP)
tags=; \
here=`pwd`; \
list='$(SOURCES) $(HEADERS)'; \
unique=`for i in $$list; do echo $$i; done | \
awk ' { files[$$0] = 1; } \
END { for (i in files) print i; }'`; \
- test -z "$(ETAGS_ARGS)$$unique$(LISP)$$tags" \
- || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags $$unique $(LISP) -o $$here/TAGS)
+ test -z "$(ETAGS_ARGS)libgcj-config.h.in$$unique$(LISP)$$tags" \
+ || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags libgcj-config.h.in $$unique $(LISP) -o $$here/TAGS)
mostlyclean-tags:
check: check-am
installcheck-am:
installcheck: installcheck-am
+all-recursive-am: libgcj-config.h
+ $(MAKE) $(AM_MAKEFLAGS) all-recursive
+
install-exec-am:
install-exec: install-exec-am
install: install-am
uninstall-am: uninstall-gcjHEADERS
uninstall: uninstall-am
-all-am: Makefile $(HEADERS)
+all-am: Makefile $(HEADERS) libgcj-config.h
all-redirect: all-am
install-strip:
$(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
-rm -f config.cache config.log stamp-h stamp-h[0-9]*
maintainer-clean-generic:
-mostlyclean-am: mostlyclean-tags mostlyclean-generic
+mostlyclean-am: mostlyclean-hdr mostlyclean-tags mostlyclean-generic
mostlyclean: mostlyclean-am
-clean-am: clean-tags clean-generic mostlyclean-am
+clean-am: clean-hdr clean-tags clean-generic mostlyclean-am
clean: clean-am
-distclean-am: distclean-tags distclean-generic clean-am
+distclean-am: distclean-hdr distclean-tags distclean-generic clean-am
-rm -f libtool
distclean: distclean-am
-maintainer-clean-am: maintainer-clean-tags maintainer-clean-generic \
- distclean-am
+maintainer-clean-am: maintainer-clean-hdr maintainer-clean-tags \
+ maintainer-clean-generic distclean-am
@echo "This command is intended for maintainers to use;"
@echo "it deletes files that may require special tools to rebuild."
maintainer-clean: maintainer-clean-am
-.PHONY: uninstall-gcjHEADERS install-gcjHEADERS tags mostlyclean-tags \
+.PHONY: mostlyclean-hdr distclean-hdr clean-hdr maintainer-clean-hdr \
+uninstall-gcjHEADERS install-gcjHEADERS tags mostlyclean-tags \
distclean-tags clean-tags maintainer-clean-tags distdir info-am info \
-dvi-am dvi check check-am installcheck-am installcheck install-exec-am \
-install-exec install-data-am install-data install-am install \
-uninstall-am uninstall all-redirect all-am all installdirs \
+dvi-am dvi check check-am installcheck-am installcheck all-recursive-am \
+install-exec-am install-exec install-data-am install-data install-am \
+install uninstall-am uninstall all-redirect all-am all installdirs \
mostlyclean-generic distclean-generic clean-generic \
maintainer-clean-generic clean mostlyclean distclean maintainer-clean
// javaprims.h - Main external header file for libgcj. -*- c++ -*-
-/* Copyright (C) 1998, 1999, 2000 Free Software Foundation
+/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
This file is part of libgcj.
// Force C++ compiler to use Java-style exceptions.
#pragma GCC java_exceptions
+#include <gcj/libgcj-config.h>
+
// FIXME: this is a hack until we get a proper gcjh.
// It is needed to work around system header files that define TRUE
// and FALSE.
typedef struct _Jv_Method *jmethodID;
extern "C" jobject _Jv_AllocObject (jclass, jint) __attribute__((__malloc__));
+#ifdef JV_HASH_SYNCHRONIZATION
+ extern "C" jobject _Jv_AllocPtrFreeObject (jclass, jint)
+ __attribute__((__malloc__));
+#else
+ // Collector still needs to scan sync_info
+ static inline jobject _Jv_AllocPtrFreeObject (jclass klass, jint sz)
+ {
+ return _Jv_AllocObject(klass, sz);
+ }
+#endif
extern "C" jboolean _Jv_IsInstanceOf(jobject, jclass);
extern "C" jstring _Jv_AllocString(jsize) __attribute__((__malloc__));
extern "C" jstring _Jv_NewString (const jchar*, jsize)
__attribute__((__malloc__));
extern jint _Jv_FormatInt (jchar* bufend, jint num);
extern "C" jchar* _Jv_GetStringChars (jstring str);
-extern "C" jint _Jv_MonitorEnter (jobject);
-extern "C" jint _Jv_MonitorExit (jobject);
+extern "C" void _Jv_MonitorEnter (jobject);
+extern "C" void _Jv_MonitorExit (jobject);
extern "C" jstring _Jv_NewStringLatin1(const char*, jsize)
__attribute__((__malloc__));
extern "C" jsize _Jv_GetStringUTFLength (jstring);
char data[1]; /* In Utf8 format, with final '\0'. */
};
+
#endif /* __JAVAPRIMS_H__ */
--- /dev/null
+/* The header derived from this file is installed, so this file should
+ only contain defines which are named safely. */
+
+/* Define if hash synchronization is in use. */
+#undef JV_HASH_SYNCHRONIZATION
GCOBJS = @GCOBJS@
GCSPEC = @GCSPEC@
GCTESTSPEC = @GCTESTSPEC@
+HASH_SYNC_SPEC = @HASH_SYNC_SPEC@
INCLTDL = @INCLTDL@
JC1GCSPEC = @JC1GCSPEC@
LIBDATASTARTSPEC = @LIBDATASTARTSPEC@
include_HEADERS = jni.h jvmpi.h
mkinstalldirs = $(SHELL) $(top_srcdir)/../mkinstalldirs
-CONFIG_HEADER = config.h
+CONFIG_HEADER = config.h ../gcj/libgcj-config.h
CONFIG_CLEAN_FILES =
HEADERS = $(include_HEADERS)
-DIST_COMMON = ./stamp-h.in Makefile.am Makefile.in config.h.in
+DIST_COMMON = ./stamp-h1.in Makefile.am Makefile.in config.h.in
DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
&& CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
-config.h: stamp-h
+config.h: stamp-h1
@if test ! -f $@; then \
- rm -f stamp-h; \
- $(MAKE) stamp-h; \
+ rm -f stamp-h1; \
+ $(MAKE) stamp-h1; \
else :; fi
-stamp-h: $(srcdir)/config.h.in $(top_builddir)/config.status
+stamp-h1: $(srcdir)/config.h.in $(top_builddir)/config.status
cd $(top_builddir) \
&& CONFIG_FILES= CONFIG_HEADERS=include/config.h \
$(SHELL) ./config.status
- @echo timestamp > stamp-h 2> /dev/null
-$(srcdir)/config.h.in: @MAINTAINER_MODE_TRUE@$(srcdir)/stamp-h.in
+ @echo timestamp > stamp-h1 2> /dev/null
+$(srcdir)/config.h.in: @MAINTAINER_MODE_TRUE@$(srcdir)/stamp-h1.in
@if test ! -f $@; then \
- rm -f $(srcdir)/stamp-h.in; \
- $(MAKE) $(srcdir)/stamp-h.in; \
+ rm -f $(srcdir)/stamp-h1.in; \
+ $(MAKE) $(srcdir)/stamp-h1.in; \
else :; fi
-$(srcdir)/stamp-h.in: $(top_srcdir)/configure.in $(ACLOCAL_M4)
+$(srcdir)/stamp-h1.in: $(top_srcdir)/configure.in $(ACLOCAL_M4)
cd $(top_srcdir) && $(AUTOHEADER)
- @echo timestamp > $(srcdir)/stamp-h.in 2> /dev/null
+ @echo timestamp > $(srcdir)/stamp-h1.in 2> /dev/null
mostlyclean-hdr:
JV_MARKARRAY_DECL;
};
+// Enough stuff to inline _Jv_AllocObj. Ugly.
+#include <gcj/javaprims.h>
+#include <java/lang/Class.h>
+#include <string.h>
+
+extern "C" void * GC_gcj_malloc(size_t, void *);
+extern "C" void * GC_malloc_atomic(size_t);
+
+inline void *
+_Jv_AllocObj (jsize size, jclass klass)
+{
+ // This should call GC_GCJ_MALLOC, but that would involve
+ // including gc.h.
+ return GC_gcj_malloc (size, klass->vtable);
+}
+
+inline void *
+_Jv_AllocPtrFreeObj (jsize size, jclass klass)
+{
+#ifdef JV_HASH_SYNCHRONIZATION
+ void * obj = GC_malloc_atomic(size);
+ *((_Jv_VTable **) obj) = klass->vtable;
+#else
+ void * obj = GC_gcj_malloc(size, klass->vtable);
+#endif
+ return obj;
+}
+
+// _Jv_AllocBytes (jsize size) should go here, too. But clients don't
+// usually include this header.
+
#endif /* __JV_BOEHM_GC__ */
/* Allocate space for a new Java object. */
void *_Jv_AllocObj (jsize size, jclass cl) __attribute__((__malloc__));
+/* Allocate space for a potentially uninitialized pointer-free object.
+ Interesting only with JV_HASH_SYNCHRONIZATION. */
+void *_Jv_AllocPtrFreeObj (jsize size, jclass cl) __attribute__((__malloc__));
/* Allocate space for an array of Java objects. */
void *_Jv_AllocArray (jsize size, jclass cl) __attribute__((__malloc__));
/* Allocate space that is known to be pointer-free. */
void *_Jv_AllocBytes (jsize size) __attribute__((__malloc__));
+/* Explicitly throw an out-of-memory exception. */
+void _Jv_ThrowNoMemory();
+/* Allocate an object with a single pointer. The first word is reserved
+ for the GC, and the second word is the traced pointer. */
+void *_Jv_AllocTraceOne (jsize size /* incl. reserved slot */);
/* Initialize the GC. */
void _Jv_InitGC (void);
/* Register a finalizer. */
_Jv_GCSetMaximumHeapSize. */
void _Jv_SetMaximumHeapSize (const char *arg);
-/* Allocate some unscanned bytes. Throw exception if out of memory. */
-void *_Jv_AllocBytesChecked (jsize size) __attribute__((__malloc__));
-
extern "C" void JvRunMain (jclass klass, int argc, const char **argv);
void _Jv_RunMain (const char* name, int argc, const char **argv, bool is_jar);
// -*- c++ -*-
// posix-threads.h - Defines for using POSIX threads.
-/* Copyright (C) 1998, 1999 Free Software Foundation
+/* Copyright (C) 1998, 1999, 2001 Free Software Foundation
This file is part of libgcj.
// Mutexes.
//
+#ifdef LOCK_DEBUG
+# include <stdio.h>
+#endif
+
inline void
_Jv_MutexInit (_Jv_Mutex_t *mu)
{
+# ifdef LOCK_DEBUG /* Assumes Linuxthreads */
+ pthread_mutexattr_t attr;
+ pthread_mutexattr_init(&attr);
+ pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK);
+ pthread_mutex_init (&mu->mutex, &attr);
+# else
pthread_mutex_init (&mu->mutex, 0);
+# endif
mu->count = 0;
mu->owner = 0;
}
else
{
- pthread_mutex_lock (&mu->mutex);
+# ifdef LOCK_DEBUG
+ int result = pthread_mutex_lock (&mu->mutex);
+ if (0 != result)
+ {
+ fprintf(stderr, "Pthread_mutex_lock returned %d\n", result);
+ for (;;) {}
+ }
+# else
+ pthread_mutex_lock (&mu->mutex);
+# endif
mu->count = 1;
mu->owner = self;
}
_Jv_MutexUnlock (_Jv_Mutex_t *mu)
{
if (_Jv_PthreadCheckMonitor (mu))
- return 1;
+ {
+# ifdef LOCK_DEBUG
+ fprintf(stderr, "_Jv_MutexUnlock: Not owner\n");
+ for (;;) {}
+# endif
+ return 1;
+ }
mu->count--;
if (mu->count == 0)
{
mu->owner = 0;
- pthread_mutex_unlock (&mu->mutex);
+# ifdef LOCK_DEBUG
+ int result = pthread_mutex_unlock (&mu->mutex);
+ if (0 != result)
+ {
+ fprintf(stderr, "Pthread_mutex_unlock returned %d\n", result);
+ for (;;) {}
+ }
+# else
+ pthread_mutex_unlock (&mu->mutex);
+# endif
}
return 0;
}
return (java::lang::Thread *) pthread_getspecific (_Jv_ThreadKey);
}
+#ifdef JV_HASH_SYNCHRONIZATION
+// Should be specialized to just load the "current thread" register
+// on platforms that support it. Speed is of the essence. The value
+// of the descriptor is not, so long as there is a one-to-one correspondence
+// to threads.
+
+
+#ifdef __i386__
+
+#define SLOW_PTHREAD_SELF
+ // Add a cache for pthread_self() if we don't have the thread
+ // pointer in a register.
+
+#endif /* __i386__ */
+
+#ifdef __ia64__
+
+typedef size_t _Jv_ThreadId_t;
+
+register size_t _Jv_self __asm__("r13");
+ // For linux_threads this is really a pointer to its thread data
+ // structure. We treat it as opaque. That should also work
+ // on other operating systems that follow the ABI standard.
+
+// This should become the prototype for machines that maintain a thread
+// pointer in a register.
+inline _Jv_ThreadId_t
+_Jv_ThreadSelf (void)
+{
+ return _Jv_self;
+}
+
+#define JV_SELF_DEFINED
+
+#endif /* __ia64__ */
+
+#if defined(SLOW_PTHREAD_SELF)
+
+typedef pthread_t _Jv_ThreadId_t;
+
+// E.g. on X86 Linux, pthread_self() is too slow for our purpose.
+// Instead we maintain a cache based on the current sp value.
+// This is similar to what's done for thread local allocation in the
+// GC, only far simpler.
+// This code should probably go away when Linux/X86 starts using a
+// segment register to hold the thread id.
+# define LOG_THREAD_SPACING 12
+ // If two thread pointer values are closer than
+ // 1 << LOG_THREAD_SPACING, we assume they belong
+ // to the same thread.
+# define SELF_CACHE_SIZE 1024
+# define SC_INDEX(sp) (((unsigned long)(sp) >> 19) & (SELF_CACHE_SIZE-1))
+ // Mapping from sp value to cache index.
+ // Note that this is not in any real sense a hash
+ // function, since we need to be able to clear
+ // all possibly matching slots on thread startup.
+ // Thus all entries that might correspond to
+ // a given thread are intentionally contiguous.
+ // Works well with anything that allocates at least
+ // 512KB stacks.
+# define SC_CLEAR_MIN (-16) // When starting a new thread, we clear
+# define SC_CLEAR_MAX 0 // all self cache entries between
+ // SC_INDEX(sp)+SC_CLEAR_MIN and
+ // SC_INDEX(sp)+SC_CLEAR_MAX to ensure
+ // we never see stale values. The
+ // current values assume a downward
+ // growing stack of size <= 7.5 MB.
+# define BAD_HIGH_SP_VALUE ((size_t)(-1))
+
+extern volatile
+struct self_cache_entry {
+ size_t high_sp_bits; // sp value >> LOG_THREAD_SPACING
+ pthread_t self; // Corresponding thread
+} _Jv_self_cache[];
+
+void _Jv_Self_Cache_Init();
+
+_Jv_ThreadId_t
+_Jv_ThreadSelf_out_of_line(volatile self_cache_entry *sce,
+ size_t high_sp_bits);
+
+inline _Jv_ThreadId_t
+_Jv_ThreadSelf (void)
+{
+ int dummy;
+ size_t sp = (size_t)(&dummy);
+ unsigned h = SC_INDEX(sp);
+ volatile self_cache_entry *sce = _Jv_self_cache + h;
+ pthread_t candidate_self = sce -> self; // Read must precede following one.
+ // Read barrier goes here, if needed.
+ if (sce -> high_sp_bits == sp >> LOG_THREAD_SPACING)
+ {
+ // The sce -> self value we read must be valid. An intervening
+ // cache replacement by another thread would have first replaced
+ // high_sp_bits by something else, and it can't possibly change
+ // back without our intervention.
+ return candidate_self;
+ }
+ else
+ return _Jv_ThreadSelf_out_of_line(sce, sp >> LOG_THREAD_SPACING);
+}
+
+#define JV_SELF_DEFINED
+
+#endif /* SLOW_PTHREAD_SELF */
+
+#ifndef JV_SELF_DEFINED /* If all else fails, call pthread_self directly */
+
+typedef pthread_t _Jv_ThreadId_t;
+
+inline _Jv_ThreadId_t
+_Jv_ThreadSelf (void)
+{
+ return pthread_self();
+}
+
+#endif /* !JV_SELF_DEFINED */
+
+#endif /* JV_HASH_SYNCHRONIZATION */
+
inline _Jv_Thread_t *
_Jv_ThreadCurrentData (void)
{
friend jobject _Jv_AllocObject (jclass, jint);
friend void *_Jv_AllocObj (jint, jclass);
+ friend void *_Jv_AllocPtrFreeObj (jint, jclass);
friend void *_Jv_AllocArray (jint, jclass);
friend jobject _Jv_JNI_ToReflectedField (_Jv_JNIEnv *, jclass, jfieldID,
void wait (void);
void wait (jlong timeout);
- friend jint _Jv_MonitorEnter (jobject obj);
- friend jint _Jv_MonitorExit (jobject obj);
+ friend void _Jv_MonitorEnter (jobject obj);
+ friend void _Jv_MonitorExit (jobject obj);
friend void _Jv_InitializeSyncMutex (void);
friend void _Jv_FinalizeObject (jobject obj);
// This does not actually refer to a Java object. Instead it is a
// placeholder for a piece of internal data (the synchronization
// information).
- jobject sync_info;
+# ifndef JV_HASH_SYNCHRONIZATION
+ jobject sync_info;
+# endif
- // Initialize the sync_info field.
- void sync_init (void);
+ // Initialize the sync_info field. Not called with JV_HASH_SYNCHRONIZATION.
+ void sync_init (void);
};
#endif /* __JAVA_LANG_OBJECT_H__ */
#include <java/lang/Cloneable.h>
#include <java/lang/Thread.h>
+#ifdef LOCK_DEBUG
+# include <stdio.h>
+#endif
+
\f
// This is used to represent synchronization information.
return r;
}
+void
+_Jv_FinalizeObject (jobject obj)
+{
+ // Ignore exceptions. From section 12.6 of the Java Language Spec.
+ try
+ {
+ obj->finalize ();
+ }
+ catch (java::lang::Throwable *t)
+ {
+ // Ignore.
+ }
+}
+
//
// Synchronization code.
//
+#ifndef JV_HASH_SYNCHRONIZATION
// This global is used to make sure that only one thread sets an
// object's `sync_info' field.
static _Jv_Mutex_t sync_mutex;
// been finalized. So if we just reinitialize the old one,
// we'll never be able to (re-)destroy the mutex and/or
// condition variable.
- si = (_Jv_SyncInfo *) _Jv_AllocBytesChecked (sizeof (_Jv_SyncInfo));
+ si = (_Jv_SyncInfo *) _Jv_AllocBytes (sizeof (_Jv_SyncInfo));
_Jv_MutexInit (&si->mutex);
_Jv_CondInit (&si->condition);
#if defined (_Jv_HaveCondDestroy) || defined (_Jv_HaveMutexDestroy)
_Jv_MutexInit (&sync_mutex);
}
-jint
+void
_Jv_MonitorEnter (jobject obj)
{
#ifndef HANDLE_SEGV
if (__builtin_expect (INIT_NEEDED (obj), false))
obj->sync_init ();
_Jv_SyncInfo *si = (_Jv_SyncInfo *) obj->sync_info;
- return _Jv_MutexLock (&si->mutex);
+ _Jv_MutexLock (&si->mutex);
+ // FIXME: In the Windows case, this can return a nonzero error code.
+ // We should turn that into some exception ...
}
-jint
+void
_Jv_MonitorExit (jobject obj)
{
JvAssert (obj);
_Jv_SyncInfo *si = (_Jv_SyncInfo *) obj->sync_info;
if (__builtin_expect (_Jv_MutexUnlock (&si->mutex), false))
throw new java::lang::IllegalMonitorStateException;
- return 0;
}
+#else /* JV_HASH_SYNCHRONIZATION */
+
+// FIXME: We shouldn't be calling GC_register_finalizer directly.
+#ifndef HAVE_BOEHM_GC
+# error Hash synchronization currently requires boehm-gc
+// That's actually a bit of a lie: It should also work with the null GC,
+// probably even better than the alternative.
+// To really support alternate GCs here, we would need to widen the
+// interface to finalization, since we sometimes have to register a
+// second finalizer for an object that already has one.
+// We might also want to move the GC interface to a .h file, since
+// the number of procedure call levels involved in some of these
+// operations is already ridiculous, and would become worse if we
+// went through the proper intermediaries.
+#else
+# include "gc.h"
+#endif
+
+// What follows currenly assumes a Linux-like platform.
+// Some of it specifically assumes X86 or IA64 Linux, though that
+// should be easily fixable.
+
+// A Java monitor implemention based on a table of locks.
+// Each entry in the table describes
+// locks held for objects that hash to that location.
+// This started out as a reimplementation of the technique used in SGIs JVM,
+// for which we obtained permission from SGI.
+// But in fact, this ended up quite different, though some ideas are
+// still shared with the original.
+// It was also influenced by some of the published IBM work,
+// though it also differs in many ways from that.
+// We could speed this up if we had a way to atomically update
+// an entire cache entry, i.e. 2 contiguous words of memory.
+// That would usually be the case with a 32 bit ABI on a 64 bit processor.
+// But we don't currently go out of our way to target those.
+// I don't know how to do much better with a N bit ABI on a processor
+// that can atomically update only N bits at a time.
+// Author: Hans-J. Boehm (Hans_Boehm@hp.com, boehm@acm.org)
+
+#include <assert.h>
+#include <limits.h>
+#include <unistd.h> // for usleep, sysconf.
+#include <sched.h> // for sched_yield.
+#include <gcj/javaprims.h>
+
+typedef size_t obj_addr_t; /* Integer type big enough for object */
+ /* address. */
+
+// The following should move to some standard place. Linux-threads
+// already defines roughly these, as do more recent versions of boehm-gc.
+// The problem is that neither exports them.
+
+#if defined(__GNUC__) && defined(__i386__)
+ // Atomically replace *addr by new_val if it was initially equal to old.
+ // Return true if the comparison succeeded.
+ // Assumed to have acquire semantics, i.e. later memory operations
+ // cannot execute before the compare_and_swap finishes.
+ inline static bool
+ compare_and_swap(volatile obj_addr_t *addr,
+ obj_addr_t old,
+ obj_addr_t new_val)
+ {
+ char result;
+ __asm__ __volatile__("lock; cmpxchgl %2, %0; setz %1"
+ : "=m"(*(addr)), "=q"(result)
+ : "r" (new_val), "0"(*(addr)), "a"(old) : "memory");
+ return (bool) result;
+ }
+
+ // Set *addr to new_val with release semantics, i.e. making sure
+ // that prior loads and stores complete before this
+ // assignment.
+ // On X86, the hardware shouldn't reorder reads and writes,
+ // so we just have to convince gcc not to do it either.
+ inline static void
+ release_set(volatile obj_addr_t *addr, obj_addr_t new_val)
+ {
+ __asm__ __volatile__(" " : : : "memory");
+ *(addr) = new_val;
+ }
+
+ // Compare_and_swap with release semantics instead of acquire semantics.
+ // On many architecture, the operation makes both guarantees, so the
+ // implementation can be the same.
+ inline static bool
+ compare_and_swap_release(volatile obj_addr_t *addr,
+ obj_addr_t old,
+ obj_addr_t new_val)
+ {
+ return compare_and_swap(addr, old, new_val);
+ }
+#endif
+
+#if defined(__GNUC__) && defined(__ia64__) && SIZEOF_VOID_P == 8
+ inline static bool
+ compare_and_swap(volatile obj_addr_t *addr,
+ obj_addr_t old,
+ obj_addr_t new_val)
+ {
+ unsigned long oldval;
+ __asm__ __volatile__("mov ar.ccv=%4 ;; cmpxchg8.acq %0=%1,%2,ar.ccv"
+ : "=r"(oldval), "=m"(*addr)
+ : "r"(new_val), "1"(*addr), "r"(old) : "memory");
+ return (oldval == old);
+ }
+
+ // The fact that *addr is volatile should cause the compiler to
+ // automatically generate an st8.rel.
+ inline static void
+ release_set(volatile obj_addr_t *addr, obj_addr_t new_val)
+ {
+ __asm__ __volatile__(" " : : : "memory");
+ *(addr) = new_val;
+ }
+
+ inline static bool
+ compare_and_swap_release(volatile obj_addr_t *addr,
+ obj_addr_t old,
+ obj_addr_t new_val)
+ {
+ unsigned long oldval;
+ __asm__ __volatile__("mov ar.ccv=%4 ;; cmpxchg8.rel %0=%1,%2,ar.ccv"
+ : "=r"(oldval), "=m"(*addr)
+ : "r"(new_val), "1"(*addr), "r"(old) : "memory");
+ return (oldval == old);
+ }
+#endif
+
+// Try to determine whether we are on a multiprocessor, i.e. whether
+// spinning may be profitable.
+// This should really use a suitable autoconf macro.
+// False is the conservative answer, though the right one is much better.
+static bool
+is_mp()
+{
+ long nprocs = sysconf(_SC_NPROCESSORS_ONLN);
+ return (nprocs > 1);
+}
+
+// A call to keep_live(p) forces p to be accessible to the GC
+// at this point.
+inline static void
+keep_live(obj_addr_t p)
+{
+ __asm__ __volatile__("" : : "rm"(p) : "memory");
+}
+
+
+// Each hash table entry holds a single preallocated "lightweight" lock.
+// In addition, it holds a chain of "heavyweight" locks. Lightweight
+// locks do not support Object.wait(), and are converted to heavyweight
+// status in response to contention. Unlike the SGI scheme, both
+// ligtweight and heavyweight locks in one hash entry can be simultaneously
+// in use. (The SGI scheme requires that we be able to acquire a heavyweight
+// lock on behalf of another thread, and can thus convert a lock we don't
+// hold to heavyweight status. Here we don't insist on that, and thus
+// let the original holder of the lighweight lock keep it.)
+
+struct heavy_lock {
+ void * reserved_for_gc;
+ struct heavy_lock *next; // Hash chain link.
+ // The only field traced by GC.
+ obj_addr_t address; // Object to which this lock corresponds.
+ // Should not be traced by GC.
+ _Jv_SyncInfo si;
+ // The remaining fields save prior finalization info for
+ // the object, which we needed to replace in order to arrange
+ // for cleanup of the lock structure.
+ GC_finalization_proc old_finalization_proc;
+ void * old_client_data;
+};
+
+#ifdef LOCK_DEBUG
void
-_Jv_FinalizeObject (jobject obj)
+print_hl_list(heavy_lock *hl)
{
- // Ignore exceptions. From section 12.6 of the Java Language Spec.
- try
+ heavy_lock *p = hl;
+ for (; 0 != p; p = p->next)
+ fprintf (stderr, "(hl = %p, addr = %p)", p, (void *)(p -> address));
+}
+#endif /* LOCK_DEBUG */
+
+#if defined (_Jv_HaveCondDestroy) || defined (_Jv_HaveMutexDestroy)
+// If we have to run a destructor for a sync_info member, then this
+// function is registered as a finalizer for the sync_info.
+static void
+heavy_lock_finalization_proc (jobject obj)
+{
+ heavy_lock *hl = (heavy_lock *) obj;
+#if defined (_Jv_HaveCondDestroy)
+ _Jv_CondDestroy (&hl->si.condition);
+#endif
+#if defined (_Jv_HaveMutexDestroy)
+ _Jv_MutexDestroy (&hl->si.mutex);
+#endif
+ hl->si.init = false;
+}
+#endif /* defined (_Jv_HaveCondDestroy) || defined (_Jv_HaveMutexDestroy) */
+
+// We convert the lock back to lightweight status when
+// we exit, so that a single contention episode doesn't doom the lock
+// forever. But we also need to make sure that lock structures for dead
+// objects are eventually reclaimed. We do that in a an additional
+// finalizer on the underlying object.
+// Note that if the corresponding object is dead, it is safe to drop
+// the heavy_lock structure from its list. It is not necessarily
+// safe to deallocate it, since the unlock code could still be running.
+
+struct hash_entry {
+ volatile obj_addr_t address; // Address of object for which lightweight
+ // k is held.
+ // We assume the 3 low order bits are zero.
+ // With the Boehm collector and bitmap
+ // allocation, objects of size 4 bytes are
+ // broken anyway. Thus this is primarily
+ // a constraint on statically allocated
+ // objects used for synchronization.
+ // This allows us to use the low order
+ // bits as follows:
+# define LOCKED 1 // This hash entry is locked, and its
+ // state may be invalid.
+ // The lock protects both the hash_entry
+ // itself (except for the light_count
+ // and light_thr_id fields, which
+ // are protected by the lightweight
+ // lock itself), and any heavy_monitor
+ // structures attached to it.
+# define HEAVY 2 // There may be heavyweight locks
+ // associated with this cache entry.
+ // The lightweight entry is still valid,
+ // if the leading bits of the address
+ // field are nonzero.
+ // Set if heavy_count is > 0 .
+ // Stored redundantly so a single
+ // compare-and-swap works in the easy case.
+# define REQUEST_CONVERSION 4 // The lightweight lock is held. But
+ // one or more other threads have tried
+ // to acquire the lock, and hence request
+ // conversion to heavyweight status.
+# define FLAGS (LOCKED | HEAVY | REQUEST_CONVERSION)
+ volatile _Jv_ThreadId_t light_thr_id;
+ // Thr_id of holder of lightweight lock.
+ // Only updated by lightweight lock holder.
+ // Must be recognizably invalid if the
+ // lightweight lock is not held.
+# define INVALID_THREAD_ID 0 // Works for Linux?
+ // If zero doesn't work, we have to
+ // initialize lock table.
+ volatile unsigned short light_count;
+ // Number of times the lightweight lock
+ // is held minus one. Zero if lightweight
+ // lock is not held.
+ unsigned short heavy_count; // Total number of times heavyweight locks
+ // associated with this hash entry are held
+ // or waiting to be acquired.
+ // Threads in wait() are included eventhough
+ // they have temporarily released the lock.
+ struct heavy_lock * heavy_locks;
+ // Chain of heavy locks. Protected
+ // by lockbit for he. Locks may
+ // remain allocated here even if HEAVY
+ // is not set and heavy_count is 0.
+ // If a lightweight and hevyweight lock
+ // correspond to the same address, the
+ // lightweight lock is the right one.
+};
+
+#ifndef JV_SYNC_TABLE_SZ
+# define JV_SYNC_TABLE_SZ 1024
+#endif
+
+hash_entry light_locks[JV_SYNC_TABLE_SZ];
+
+#define JV_SYNC_HASH(p) (((long)p ^ ((long)p >> 10)) % JV_SYNC_TABLE_SZ)
+
+#ifdef LOCK_DEBUG
+ void print_he(hash_entry *he)
+ {
+ fprintf(stderr, "lock hash entry = %p, index = %d, address = 0x%lx\n"
+ "\tlight_thr_id = 0x%lx, light_count = %d, "
+ "heavy_count = %d\n\theavy_locks:", he,
+ he - light_locks, he -> address, he -> light_thr_id,
+ he -> light_count, he -> heavy_count);
+ print_hl_list(he -> heavy_locks);
+ fprintf(stderr, "\n");
+ }
+#endif /* LOCK_DEBUG */
+
+// Wait for roughly 2^n units, touching as little memory as possible.
+static void
+spin(unsigned n)
+{
+ const unsigned MP_SPINS = 10;
+ const unsigned YIELDS = 4;
+ const unsigned SPINS_PER_UNIT = 30;
+ const unsigned MIN_SLEEP_USECS = 2001; // Shorter times spin under Linux.
+ const unsigned MAX_SLEEP_USECS = 200000;
+ static unsigned spin_limit = 0;
+ static unsigned yield_limit = YIELDS;
+ static bool mp = false;
+ static bool spin_initialized = false;
+
+ if (!spin_initialized)
{
- obj->finalize ();
+ mp = is_mp();
+ if (mp)
+ {
+ spin_limit = MP_SPINS;
+ yield_limit = MP_SPINS + YIELDS;
+ }
+ spin_initialized = true;
}
- catch (java::lang::Throwable *t)
+ if (n < spin_limit)
{
- // Ignore.
+ unsigned i = SPINS_PER_UNIT << n;
+ for (; i > 0; --i)
+ __asm__ __volatile__("");
+ }
+ else if (n < yield_limit)
+ {
+ sched_yield();
+ }
+ else
+ {
+ unsigned duration = MIN_SLEEP_USECS << (n - yield_limit);
+ if (n >= 15 + yield_limit || duration > MAX_SLEEP_USECS)
+ duration = MAX_SLEEP_USECS;
+ usleep(duration);
+ }
+}
+
+// Wait for a hash entry to become unlocked.
+static void
+wait_unlocked (hash_entry *he)
+{
+ unsigned i = 0;
+ while (he -> address & LOCKED)
+ spin (i++);
+}
+
+// Return the heavy lock for addr if it was already allocated.
+// The client passes in the appropriate hash_entry.
+// We hold the lock for he.
+static inline heavy_lock *
+find_heavy (obj_addr_t addr, hash_entry *he)
+{
+ heavy_lock *hl = he -> heavy_locks;
+ while (hl != 0 && hl -> address != addr) hl = hl -> next;
+ return hl;
+}
+
+// Unlink the heavy lock for the given address from its hash table chain.
+// Dies miserably and conspicuously if it's not there, since that should
+// be impossible.
+static inline void
+unlink_heavy (obj_addr_t addr, hash_entry *he)
+{
+ heavy_lock **currentp = &(he -> heavy_locks);
+ while ((*currentp) -> address != addr)
+ currentp = &((*currentp) -> next);
+ *currentp = (*currentp) -> next;
+}
+
+// Finalization procedure for objects that have associated heavy-weight
+// locks. This may replace the real finalization procedure.
+static void
+heavy_lock_obj_finalization_proc (void *obj, void *cd)
+{
+ heavy_lock *hl = (heavy_lock *)cd;
+ obj_addr_t addr = (obj_addr_t)obj;
+ GC_finalization_proc old_finalization_proc = hl -> old_finalization_proc;
+ void * old_client_data = hl -> old_client_data;
+
+ if (old_finalization_proc != 0)
+ {
+ // We still need to run a real finalizer. In an idealized
+ // world, in which people write thread-safe finalizers, that is
+ // likely to require synchronization. Thus we reregister
+ // ourselves as the only finalizer, and simply run the real one.
+ // Thus we don't clean up the lock yet, but we're likely to do so
+ // on the next GC cycle.
+ hl -> old_finalization_proc = 0;
+ hl -> old_client_data = 0;
+# ifdef HAVE_BOEHM_GC
+ GC_REGISTER_FINALIZER_NO_ORDER(obj, heavy_lock_obj_finalization_proc, cd, 0, 0);
+# endif
+ old_finalization_proc(obj, old_client_data);
+ }
+ else
+ {
+ // The object is really dead, although it's conceivable that
+ // some thread may still be in the process of releasing the
+ // heavy lock. Unlink it and, if necessary, register a finalizer
+ // to distroy sync_info.
+ hash_entry *he = light_locks + JV_SYNC_HASH(addr);
+ obj_addr_t address = (he -> address & ~LOCKED);
+ while (!compare_and_swap(&(he -> address), address, address | LOCKED ))
+ {
+ // Hash table entry is currently locked. We can't safely touch
+ // touch the list of heavy locks.
+ wait_unlocked(he);
+ address = (he -> address & ~LOCKED);
+ }
+ unlink_heavy(addr, light_locks + JV_SYNC_HASH(addr));
+ release_set(&(he -> address), address);
+# if defined (_Jv_HaveCondDestroy) || defined (_Jv_HaveMutexDestroy)
+ // Register a finalizer, yet again.
+ hl->si.init = true;
+ _Jv_RegisterFinalizer (hl, heavy_lock_finalization_proc);
+# endif
+ }
+}
+
+// Allocate a new heavy lock for addr, returning its address.
+// Assumes we already have the hash_entry locked, and there
+// is currently no lightweight or allocated lock for addr.
+// We register a finalizer for addr, which is responsible for
+// removing the heavy lock when addr goes away, in addition
+// to the responsibilities of any prior finalizer.
+static heavy_lock *
+alloc_heavy(obj_addr_t addr, hash_entry *he)
+{
+ heavy_lock * hl = (heavy_lock *) _Jv_AllocTraceOne(sizeof (heavy_lock));
+
+ hl -> address = addr;
+ _Jv_MutexInit (&(hl -> si.mutex));
+ _Jv_CondInit (&(hl -> si.condition));
+# if defined (_Jv_HaveCondDestroy) || defined (_Jv_HaveMutexDestroy)
+ si->init = true; // needed ?
+# endif
+ hl -> next = he -> heavy_locks;
+ he -> heavy_locks = hl;
+ // FIXME: The only call that cheats and goes directly to the GC interface.
+# ifdef HAVE_BOEHM_GC
+ GC_REGISTER_FINALIZER_NO_ORDER(
+ (void *)addr, heavy_lock_obj_finalization_proc,
+ hl, &hl->old_finalization_proc,
+ &hl->old_client_data);
+# endif /* HAVE_BOEHM_GC */
+ return hl;
+}
+
+// Return the heavy lock for addr, allocating if necessary.
+// Assumes we have the cache entry locked, and there is no lightweight
+// lock for addr.
+static heavy_lock *
+get_heavy(obj_addr_t addr, hash_entry *he)
+{
+ heavy_lock *hl = find_heavy(addr, he);
+ if (0 == hl)
+ hl = alloc_heavy(addr, he);
+ return hl;
+}
+
+void
+_Jv_MonitorEnter (jobject obj)
+{
+ obj_addr_t addr = (obj_addr_t)obj;
+ obj_addr_t address;
+ unsigned hash = JV_SYNC_HASH(addr);
+ hash_entry * he = light_locks + hash;
+ _Jv_ThreadId_t self = _Jv_ThreadSelf();
+ unsigned count;
+ const unsigned N_SPINS = 18;
+
+ assert(!(addr & FLAGS));
+retry:
+ if (__builtin_expect(compare_and_swap(&(he -> address),
+ 0, addr),true))
+ {
+ assert(he -> light_thr_id == INVALID_THREAD_ID);
+ assert(he -> light_count == 0);
+ he -> light_thr_id = self;
+ // Count fields are set correctly. Heavy_count was also zero,
+ // but can change asynchronously.
+ // This path is hopefully both fast and the most common.
+ return;
+ }
+ address = he -> address;
+ if ((address & ~(HEAVY | REQUEST_CONVERSION)) == addr)
+ {
+ if (he -> light_thr_id == self)
+ {
+ // We hold the lightweight lock, and it's for the right
+ // address.
+ count = he -> light_count;
+ if (count == USHRT_MAX)
+ {
+ // I think most JVMs don't check for this.
+ // But I'm not convinced I couldn't turn this into a security
+ // hole, even with a 32 bit counter.
+ throw new java::lang::IllegalMonitorStateException(
+ JvNewStringLatin1("maximum monitor nesting level exceeded"));
+ }
+ he -> light_count = count + 1;
+ return;
+ }
+ else
+ {
+ // Lightweight lock is held, but by somone else.
+ // Spin a few times. This avoids turning this into a heavyweight
+ // lock if the current holder is about to release it.
+ for (unsigned int i = 0; i < N_SPINS; ++i)
+ {
+ if ((he -> address & ~LOCKED) != (address & ~LOCKED)) goto retry;
+ spin(i);
+ }
+ address &= ~LOCKED;
+ if (!compare_and_swap(&(he -> address), address, address | LOCKED ))
+ {
+ wait_unlocked(he);
+ goto retry;
+ }
+ heavy_lock *hl = get_heavy(addr, he);
+ ++ (he -> heavy_count);
+ // The hl lock acquisition can't block for long, since it can
+ // only be held by other threads waiting for conversion, and
+ // they, like us, drop it quickly without blocking.
+ _Jv_MutexLock(&(hl->si.mutex));
+ assert(he -> address == address | LOCKED );
+ release_set(&(he -> address), (address | REQUEST_CONVERSION | HEAVY));
+ // release lock on he
+ while ((he -> address & ~FLAGS) == (address & ~FLAGS))
+ {
+ // Once converted, the lock has to retain heavyweight
+ // status, since heavy_count > 0 .
+ _Jv_CondWait (&(hl->si.condition), &(hl->si.mutex), 0, 0);
+ }
+ keep_live(addr);
+ // Guarantee that hl doesn't get unlinked by finalizer.
+ // This is only an issue if the client fails to release
+ // the lock, which is unlikely.
+ assert(he -> address & HEAVY);
+ // Lock has been converted, we hold the heavyweight lock,
+ // heavy_count has been incremented.
+ return;
+ }
+ }
+ obj_addr_t was_heavy = (address & HEAVY);
+ address &= ~LOCKED;
+ if (!compare_and_swap(&(he -> address), address, (address | LOCKED )))
+ {
+ wait_unlocked(he);
+ goto retry;
+ }
+ if ((address & ~(HEAVY | REQUEST_CONVERSION)) == 0)
+ {
+ // Either was_heavy is true, or something changed out from under us,
+ // since the initial test for 0 failed.
+ assert(!(address & REQUEST_CONVERSION));
+ // Can't convert a nonexistent lightweight lock.
+ heavy_lock *hl;
+ hl = (was_heavy? find_heavy(addr, he) : 0);
+ if (0 == hl)
+ {
+ // It is OK to use the lighweight lock, since either the
+ // heavyweight lock does not exist, or none of the
+ // heavyweight locks currently exist. Future threads
+ // trying to acquire the lock will see the lightweight
+ // one first and use that.
+ he -> light_thr_id = self; // OK, since nobody else can hold
+ // light lock or do this at the same time.
+ assert(he -> light_count == 0);
+ assert(was_heavy == (he -> address & HEAVY));
+ release_set(&(he -> address), (addr | was_heavy));
+ }
+ else
+ {
+ // Must use heavy lock.
+ ++ (he -> heavy_count);
+ assert(0 == (address & ~HEAVY));
+ release_set(&(he -> address), HEAVY);
+ _Jv_MutexLock(&(hl->si.mutex));
+ keep_live(addr);
+ }
+ return;
+ }
+ // Lightweight lock is held, but does not correspond to this object.
+ // We hold the lock on the hash entry, and he -> address can't
+ // change from under us. Neither can the chain of heavy locks.
+ {
+ assert(0 == he -> heavy_count || (address & HEAVY));
+ heavy_lock *hl = get_heavy(addr, he);
+ ++ (he -> heavy_count);
+ release_set(&(he -> address), address | HEAVY);
+ _Jv_MutexLock(&(hl->si.mutex));
+ keep_live(addr);
}
}
+
+
+void
+_Jv_MonitorExit (jobject obj)
+{
+ obj_addr_t addr = (obj_addr_t)obj;
+ _Jv_ThreadId_t self = _Jv_ThreadSelf();
+ unsigned hash = JV_SYNC_HASH(addr);
+ hash_entry * he = light_locks + hash;
+ _Jv_ThreadId_t light_thr_id;
+ unsigned count;
+ obj_addr_t address;
+
+retry:
+ light_thr_id = he -> light_thr_id;
+ // Unfortunately, it turns out we always need to read the address
+ // first. Even if we are going to update it with compare_and_swap,
+ // we need to reset light_thr_id, and that's not safe unless we know
+ // know that we hold the lock.
+ address = he -> address;
+ // First the (relatively) fast cases:
+ if (__builtin_expect(light_thr_id == self, true))
+ {
+ count = he -> light_count;
+ if (__builtin_expect((address & ~HEAVY) == addr, true))
+ {
+ if (count != 0)
+ {
+ // We held the lightweight lock all along. Thus the values
+ // we saw for light_thr_id and light_count must have been valid.
+ he -> light_count = count - 1;
+ return;
+ }
+ else
+ {
+ // We hold the lightweight lock once.
+ he -> light_thr_id = INVALID_THREAD_ID;
+ if (compare_and_swap_release(&(he -> address), address,
+ address & HEAVY))
+ return;
+ else
+ {
+ he -> light_thr_id = light_thr_id; // Undo prior damage.
+ goto retry;
+ }
+ }
+ }
+ // else lock is not for this address, conversion is requested,
+ // or the lock bit in the address field is set.
+ }
+ else
+ {
+ if ((address & ~(HEAVY | REQUEST_CONVERSION)) == addr)
+ {
+# ifdef LOCK_DEBUG
+ fprintf(stderr, "Lightweight lock held by other thread\n\t"
+ "light_thr_id = 0x%lx, self = 0x%lx, "
+ "address = 0x%lx, pid = %d\n",
+ light_thr_id, self, address, getpid());
+ print_he(he);
+ for(;;) {}
+# endif
+ // Someone holds the lightweight lock for this object, and
+ // it can't be us.
+ throw new java::lang::IllegalMonitorStateException(
+ JvNewStringLatin1("current thread not owner"));
+ }
+ else
+ count = he -> light_count;
+ }
+ if (address & LOCKED)
+ {
+ wait_unlocked(he);
+ goto retry;
+ }
+ // Now the unlikely cases.
+ // We do know that:
+ // - Address is set, and doesn't contain the LOCKED bit.
+ // - If address refers to the same object as addr, then he -> light_thr_id
+ // refers to this thread, and count is valid.
+ // - The case in which we held the lightweight lock has been
+ // completely handled, except for the REQUEST_CONVERSION case.
+ //
+ if ((address & ~FLAGS) == addr)
+ {
+ // The lightweight lock is assigned to this object.
+ // Thus we must be in the REQUEST_CONVERSION case.
+ if (0 != count)
+ {
+ // Defer conversion until we exit completely.
+ he -> light_count = count - 1;
+ return;
+ }
+ assert(he -> light_thr_id == self);
+ assert(address & REQUEST_CONVERSION);
+ // Conversion requested
+ // Convert now.
+ if (!compare_and_swap(&(he -> address), address, address | LOCKED))
+ goto retry;
+ heavy_lock *hl = find_heavy(addr, he);
+ assert (0 != hl);
+ // Requestor created it.
+ he -> light_count = 0;
+ assert(he -> heavy_count > 0);
+ // was incremented by requestor.
+ _Jv_MutexLock(&(hl->si.mutex));
+ // Release the he lock after acquiring the mutex.
+ // Otherwise we can accidentally
+ // notify a thread that has already seen a heavyweight
+ // lock.
+ he -> light_thr_id = INVALID_THREAD_ID;
+ release_set(&(he -> address), HEAVY);
+ // lightweight lock now unused.
+ _Jv_CondNotifyAll(&(hl->si.condition), &(hl->si.mutex));
+ _Jv_MutexUnlock(&(hl->si.mutex));
+ // heavy_count was already incremented by original requestor.
+ keep_live(addr);
+ return;
+ }
+ // lightweight lock not for this object.
+ assert(!(address & LOCKED));
+ assert((address & ~FLAGS) != addr);
+ if (!compare_and_swap(&(he -> address), address, address | LOCKED))
+ goto retry;
+ heavy_lock *hl = find_heavy(addr, he);
+ if (NULL == hl)
+ {
+# ifdef LOCK_DEBUG
+ fprintf(stderr, "Failed to find heavyweight lock for addr 0x%lx"
+ " pid = %d\n", addr, getpid());
+ print_he(he);
+ for(;;) {}
+# endif
+ throw new java::lang::IllegalMonitorStateException(
+ JvNewStringLatin1("current thread not owner"));
+ }
+ assert(address & HEAVY);
+ count = he -> heavy_count;
+ assert(count > 0);
+ --count;
+ if (0 == count) address &= ~HEAVY;
+ he -> heavy_count = count;
+ release_set(&(he -> address), address);
+ // release lock bit, preserving
+ // REQUEST_CONVERSION
+ // and object address.
+ _Jv_MutexUnlock(&(hl->si.mutex));
+ // Unlock after releasing the lock bit, so that
+ // we don't switch to another thread prematurely.
+ keep_live(addr);
+}
+
+// The rest of these are moderately thin veneers on _Jv_Cond ops.
+// The current version of Notify might be able to make the pthread
+// call AFTER releasing the lock, thus saving some context switches??
+
+void
+java::lang::Object::wait (jlong timeout, jint nanos)
+{
+ obj_addr_t addr = (obj_addr_t)this;
+ _Jv_ThreadId_t self = _Jv_ThreadSelf();
+ unsigned hash = JV_SYNC_HASH(addr);
+ hash_entry * he = light_locks + hash;
+ unsigned count;
+ obj_addr_t address;
+ heavy_lock *hl;
+
+ if (__builtin_expect (timeout < 0 || nanos < 0 || nanos > 999999, false))
+ throw new IllegalArgumentException;
+retry:
+ address = he -> address;
+ address &= ~LOCKED;
+ if (!compare_and_swap(&(he -> address), address, address | LOCKED))
+ {
+ wait_unlocked(he);
+ goto retry;
+ }
+ // address does not have the lock bit set. We hold the lock on he.
+ if ((address & ~FLAGS) == addr)
+ {
+ // Convert to heavyweight.
+ if (he -> light_thr_id != self)
+ {
+# ifdef LOCK_DEBUG
+ fprintf(stderr, "Found wrong lightweight lock owner in wait "
+ "address = 0x%lx pid = %d\n", address, getpid());
+ print_he(he);
+ for(;;) {}
+# endif
+ release_set(&(he -> address), address);
+ throw new IllegalMonitorStateException (JvNewStringLatin1
+ ("current thread not owner"));
+ }
+ count = he -> light_count;
+ hl = get_heavy(addr, he);
+ he -> light_count = 0;
+ he -> heavy_count += count + 1;
+ for (unsigned i = 0; i <= count; ++i)
+ _Jv_MutexLock(&(hl->si.mutex));
+ // Again release the he lock after acquiring the mutex.
+ he -> light_thr_id = INVALID_THREAD_ID;
+ release_set(&(he -> address), HEAVY); // lightweight lock now unused.
+ if (address & REQUEST_CONVERSION)
+ _Jv_CondNotify (&(hl->si.condition), &(hl->si.mutex));
+ }
+ else /* We should hold the heavyweight lock. */
+ {
+ hl = find_heavy(addr, he);
+ release_set(&(he -> address), address);
+ if (0 == hl)
+ {
+# ifdef LOCK_DEBUG
+ fprintf(stderr, "Couldn't find heavy lock in wait "
+ "addr = 0x%lx pid = %d\n", addr, getpid());
+ print_he(he);
+ for(;;) {}
+# endif
+ throw new IllegalMonitorStateException (JvNewStringLatin1
+ ("current thread not owner"));
+ }
+ assert(address & HEAVY);
+ }
+ switch (_Jv_CondWait (&(hl->si.condition), &(hl->si.mutex), timeout, nanos))
+ {
+ case _JV_NOT_OWNER:
+ throw new IllegalMonitorStateException (JvNewStringLatin1
+ ("current thread not owner"));
+ case _JV_INTERRUPTED:
+ if (Thread::interrupted ())
+ throw new InterruptedException;
+ }
+}
+
+void
+java::lang::Object::notify (void)
+{
+ obj_addr_t addr = (obj_addr_t)this;
+ _Jv_ThreadId_t self = _Jv_ThreadSelf();
+ unsigned hash = JV_SYNC_HASH(addr);
+ hash_entry * he = light_locks + hash;
+ heavy_lock *hl;
+ obj_addr_t address;
+ int result;
+
+retry:
+ address = ((he -> address) & ~LOCKED);
+ if (!compare_and_swap(&(he -> address), address, address | LOCKED))
+ {
+ wait_unlocked(he);
+ goto retry;
+ }
+ if ((address & ~FLAGS) == addr && he -> light_thr_id == self)
+ {
+ // We hold lightweight lock. Since it has not
+ // been inflated, there are no waiters.
+ release_set(&(he -> address), address); // unlock
+ return;
+ }
+ hl = find_heavy(addr, he);
+ // Hl can't disappear since we point to the underlying object.
+ // It's important that we release the lock bit before the notify, since
+ // otherwise we will try to wake up thee target while we still hold the
+ // bit. This results in lock bit contention, which we don't handle
+ // terribly well.
+ release_set(&(he -> address), address); // unlock
+ if (0 == hl)
+ {
+ throw new IllegalMonitorStateException(JvNewStringLatin1
+ ("current thread not owner"));
+ return;
+ }
+ result = _Jv_CondNotify(&(hl->si.condition), &(hl->si.mutex));
+ keep_live(addr);
+ if (__builtin_expect (result, 0))
+ throw new IllegalMonitorStateException(JvNewStringLatin1
+ ("current thread not owner"));
+}
+
+void
+java::lang::Object::notifyAll (void)
+{
+ obj_addr_t addr = (obj_addr_t)this;
+ _Jv_ThreadId_t self = _Jv_ThreadSelf();
+ unsigned hash = JV_SYNC_HASH(addr);
+ hash_entry * he = light_locks + hash;
+ heavy_lock *hl;
+ obj_addr_t address;
+ int result;
+
+retry:
+ address = (he -> address) & ~LOCKED;
+ if (!compare_and_swap(&(he -> address), address, address | LOCKED))
+ {
+ wait_unlocked(he);
+ goto retry;
+ }
+ hl = find_heavy(addr, he);
+ if ((address & ~FLAGS) == addr && he -> light_thr_id == self)
+ {
+ // We hold lightweight lock. Since it has not
+ // been inflated, there are no waiters.
+ release_set(&(he -> address), address); // unlock
+ return;
+ }
+ release_set(&(he -> address), address); // unlock
+ if (0 == hl)
+ {
+ throw new IllegalMonitorStateException(JvNewStringLatin1
+ ("current thread not owner"));
+ }
+ result = _Jv_CondNotifyAll(&(hl->si.condition), &(hl->si.mutex));
+ if (__builtin_expect (result, 0))
+ throw new IllegalMonitorStateException(JvNewStringLatin1
+ ("current thread not owner"));
+}
+
+// This is declared in Java code and in Object.h.
+// It should never be called with JV_HASH_SYNCHRONIZATION
+void
+java::lang::Object::sync_init (void)
+{
+ throw new IllegalMonitorStateException(JvNewStringLatin1
+ ("internal error: sync_init"));
+}
+
+// This is called on startup and declared in Object.h.
+// For now we just make it a no-op.
+void
+_Jv_InitializeSyncMutex (void)
+{
+}
+
+#endif /* JV_HASH_SYNCHRONIZATION */
+
if (strhash == NULL)
{
strhash_size = 1024;
- strhash = (jstring *) _Jv_AllocBytesChecked (strhash_size
- * sizeof (jstring));
+ strhash = (jstring *) _Jv_AllocBytes (strhash_size * sizeof (jstring));
memset (strhash, 0, strhash_size * sizeof (jstring));
}
else
int i = strhash_size;
jstring* ptr = strhash + i;
int nsize = strhash_size * 2;
- jstring *next = (jstring *) _Jv_AllocBytesChecked (nsize
- * sizeof (jstring));
+ jstring *next = (jstring *) _Jv_AllocBytes (nsize * sizeof (jstring));
memset (next, 0, nsize * sizeof (jstring));
while (--i >= 0)
{
jsize sz = sizeof(java::lang::String) + len * sizeof(jchar);
- jstring obj = (jstring) JvAllocObject(&StringClass, sz);
-
+ // We assert that for strings allocated this way, the data field
+ // will always point to the object itself. Thus there is no reason
+ // for the garbage collector to scan any of it.
+ // Furthermore, we're about to overwrite the string data, so
+ // initialization of the object is not an issue.
+#ifdef ENABLE_JVMPI
+ jstring obj = (jstring) _Jv_AllocPtrFreeObject(&StringClass, sz);
+#else
+ // Class needs no initialization, and there is no finalizer, so
+ // we can go directly to the collector's allocator interface.
+ jstring obj = (jstring) _Jv_AllocPtrFreeObj(&StringClass, sz);
+#endif
obj->data = obj;
obj->boffset = sizeof(java::lang::String);
obj->count = len;
if (len < 100)
hostname = buf;
else
- hostname = (char*) _Jv_AllocBytesChecked (len+1);
+ hostname = (char*) _Jv_AllocBytes (len+1);
JvGetStringUTFRegion (host, 0, host->length(), hostname);
buf[len] = '\0';
char* bytes = NULL;
if (len < 100)
hostname = buf;
else
- hostname = (char*) _Jv_AllocBytesChecked (len+1);
+ hostname = (char*) _Jv_AllocBytes (len+1);
JvGetStringUTFRegion (host, 0, host->length(), hostname);
buf[len] = '\0';
#ifdef HAVE_GETHOSTBYNAME_R
if (! ok && herr == ERANGE)
{
size_r *= 2;
- buffer_r = (char *) _Jv_AllocBytesChecked (size_r);
+ buffer_r = (char *) _Jv_AllocBytes (size_r);
}
else
#endif /* HAVE_STRUCT_HOSTENT_DATA */
if (! ok && herr == ERANGE)
{
size_r *= 2;
- buffer_r = (char *) _Jv_AllocBytesChecked (size_r);
+ buffer_r = (char *) _Jv_AllocBytes (size_r);
}
else
#endif /* HAVE_STRUCT_HOSTENT_DATA */
%rename lib liborig
*lib: -lgcj -lm @GCSPEC@ @THREADSPEC@ @ZLIBSPEC@ @SYSTEMSPEC@ %(libgcc) %(liborig)
-*jc1: @DIVIDESPEC@ @JC1GCSPEC@ @EXCEPTIONSPEC@
+*jc1: @HASH_SYNC_SPEC@ @DIVIDESPEC@ @JC1GCSPEC@ @EXCEPTIONSPEC@
#
# On some systems we force in a data_start symbol so that the GC will work
// nogc.cc - Implement null garbage collector.
-/* Copyright (C) 1998, 1999, 2000 Free Software Foundation
+/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
This file is part of libgcj.
{
total += size;
void *obj = calloc (size, 1);
+ if (!obj) _Jv_ThrowNoMemory();
+ *((_Jv_VTable **) obj) = klass->vtable;
+ return obj;
+}
+
+void *
+_Jv_AllocPtrFreeObj (jsize size, jclass klass)
+{
+ total += size;
+ ptr_t obj = malloc (size, 1);
+ if (!obj) _Jv_ThrowNoMemory();
*((_Jv_VTable **) obj) = klass->vtable;
return obj;
}
{
total += size;
void *obj = calloc (size, 1);
+ if (!obj) _Jv_ThrowNoMemory();
*((_Jv_VTable **) obj) = klass->vtable;
return obj;
}
_Jv_AllocBytes (jsize size)
{
total += size;
- return calloc (size, 1);
+ ptr_t obj = calloc (size, 1);
+ if (!obj) _Jv_ThrowNoMemory();
+ return obj;
}
void
_Jv_InitGC (void)
{
}
+
+#ifdef JV_HASH_SYNCHRONIZATION
+void *
+_Jv_AllocTraceOne (jsize size /* includes vtable slot */)
+{
+ ptr_t obj = calloc(size, 1);
+ if (!obj) _Jv_ThrowNoMemory();
+ return result;
+}
+#endif /* JV_HASH_SYNCHRONIZATION */
// posix-threads.cc - interface between libjava and POSIX threads.
-/* Copyright (C) 1998, 1999, 2000 Free Software Foundation
+/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
This file is part of libgcj.
// is called. Since it may need to be accessed from the new thread, work
// around the potential race here by explicitly setting it again.
data->thread = pthread_self ();
+
+# ifdef SLOW_PTHREAD_SELF
+ // Clear all self cache slots that might be needed by this thread.
+ int dummy;
+ int low_index = SC_INDEX(&dummy) + SC_CLEAR_MIN;
+ int high_index = SC_INDEX(&dummy) + SC_CLEAR_MAX;
+ for (int i = low_index; i <= high_index; ++i)
+ {
+ int current_index = i;
+ if (current_index < 0)
+ current_index += SELF_CACHE_SIZE;
+ if (current_index >= SELF_CACHE_SIZE)
+ current_index -= SELF_CACHE_SIZE;
+ _Jv_self_cache[current_index].high_sp_bits = BAD_HIGH_SP_VALUE;
+ }
+# endif
}
void
_Jv_ThreadRegister (info->data);
info->method (info->data->thread_obj);
-
+
if (! (info->data->flags & FLAG_DAEMON))
{
pthread_mutex_lock (&daemon_mutex);
pthread_cond_signal (&daemon_cond);
pthread_mutex_unlock (&daemon_mutex);
}
-
+
return NULL;
}
pthread_cond_wait (&daemon_cond, &daemon_mutex);
pthread_mutex_unlock (&daemon_mutex);
}
+
+#if defined(SLOW_PTHREAD_SELF)
+
+// Support for pthread_self() lookup cache.
+
+volatile self_cache_entry _Jv_self_cache[SELF_CACHE_SIZE];
+
+
+_Jv_ThreadId_t
+_Jv_ThreadSelf_out_of_line(volatile self_cache_entry *sce, size_t high_sp_bits)
+{
+ pthread_t self = pthread_self();
+ // The ordering between the following writes matters.
+ // On Alpha, we probably need a memory barrier in the middle.
+ sce -> high_sp_bits = high_sp_bits;
+ sce -> self = self;
+ return self;
+}
+
+#endif /* SLOW_PTHREAD_SELF */
ptr = (unsigned char*) str;
limit = ptr + len;
str_length = 0;
- for (; ptr < limit; str_length++) {
- if (UTF8_GET (ptr, limit) < 0) {
- return (-1);
+ for (; ptr < limit; str_length++)
+ {
+ if (UTF8_GET (ptr, limit) < 0)
+ return (-1);
}
- }
return (str_length);
}
jint len = _Jv_GetStringUTFLength (string);
Utf8Const* m = (Utf8Const*)
- _Jv_AllocBytesChecked (sizeof(Utf8Const) + len + 1);
+ _Jv_AllocBytes (sizeof(Utf8Const) + len + 1);
m->hash = hash;
m->length = len;
throw new java::lang::NullPointerException;
}
-// Allocate some unscanned memory and throw an exception if no memory.
-void *
-_Jv_AllocBytesChecked (jsize size)
+// Explicitly throw a no memory exception.
+// The collector calls this when it encounters an out-of-memory condition.
+void _Jv_ThrowNoMemory()
{
- void *r = _Jv_AllocBytes (size);
- if (! r)
- throw no_memory;
- return r;
+ _Jv_Throw (no_memory);
}
// Allocate a new object of class KLASS. SIZE is the size of the object
_Jv_InitClass (klass);
jobject obj = (jobject) _Jv_AllocObj (size, klass);
- if (__builtin_expect (! obj, false))
- throw no_memory;
// If this class has inherited finalize from Object, then don't
// bother registering a finalizer. We know that finalize() is the
event.u.obj_alloc.size = size;
event.u.obj_alloc.obj_id = (jobjectID) obj;
+ // FIXME: This doesn't look right for the Boehm GC. A GC may
+ // already be in progress. _Jv_DisableGC () doesn't wait for it.
+ // More importantly, I don't see the need for disabling GC, since we
+ // blatantly have a pointer to obj on our stack, ensuring that the
+ // object can't be collected. Even for a nonconservative collector,
+ // it appears to me that this must be true, since we are about to
+ // return obj. Isn't this whole approach way too intrusive for
+ // a useful profiling interface? - HB
_Jv_DisableGC ();
(*_Jv_JVMPI_Notify_OBJECT_ALLOC) (&event);
_Jv_EnableGC ();
return obj;
}
+// A version of the above that assumes the object contains no pointers,
+// and requires no finalization. This can't happen if we need pointers
+// to locks.
+#ifdef JV_HASH_SYNCHRONIZATION
+jobject
+_Jv_AllocPtrFreeObject (jclass klass, jint size)
+{
+ _Jv_InitClass (klass);
+
+ jobject obj = (jobject) _Jv_AllocPtrFreeObj (size, klass);
+
+#ifdef ENABLE_JVMPI
+ // Service JVMPI request.
+
+ if (__builtin_expect (_Jv_JVMPI_Notify_OBJECT_ALLOC != 0, false))
+ {
+ JVMPI_Event event;
+
+ event.event_type = JVMPI_EVENT_OBJECT_ALLOC;
+ event.env_id = NULL;
+ event.u.obj_alloc.arena_id = 0;
+ event.u.obj_alloc.class_id = (jobjectID) klass;
+ event.u.obj_alloc.is_array = 0;
+ event.u.obj_alloc.size = size;
+ event.u.obj_alloc.obj_id = (jobjectID) obj;
+
+ _Jv_DisableGC ();
+ (*_Jv_JVMPI_Notify_OBJECT_ALLOC) (&event);
+ _Jv_EnableGC ();
+ }
+#endif
+
+ return obj;
+}
+#endif /* JV_HASH_SYNCHRONIZATION */
+
+
// Allocate a new array of Java objects. Each object is of type
// `elementClass'. `init' is used to initialize each slot in the
// array.
jclass klass = _Jv_GetArrayClass (elementClass, 0);
obj = (jobjectArray) _Jv_AllocArray (size, klass);
- if (__builtin_expect (! obj, false))
- throw no_memory;
// Cast away const.
jsize *lp = const_cast<jsize *> (&obj->length);
*lp = count;
jclass klass = _Jv_GetArrayClass (eltype, 0);
+# ifdef JV_HASH_SYNCHRONIZATION
+ // Since the vtable is always statically allocated,
+ // these are completely pointerfree! Make sure the GC doesn't touch them.
+ __JArray *arr =
+ (__JArray*) _Jv_AllocPtrFreeObj (size + elsize * count, klass);
+ memset((char *)arr + size, 0, elsize * count);
+# else
__JArray *arr = (__JArray*) _Jv_AllocObj (size + elsize * count, klass);
- if (__builtin_expect (! arr, false))
- throw no_memory;
+ // Note that we assume we are given zeroed memory by the allocator.
+# endif
// Cast away const.
jsize *lp = const_cast<jsize *> (&arr->length);
*lp = count;
- // Note that we assume we are given zeroed memory by the allocator.
return arr;
}
// allocate static memory
if (static_size != 0)
{
- char *static_data = (char*)_Jv_AllocBytesChecked (static_size);
+ char *static_data = (char*)_Jv_AllocBytes (static_size);
memset (static_data, 0, static_size);
/* allocate vtable structure */
_Jv_VTable *vtable = (_Jv_VTable*)
- _Jv_AllocBytesChecked (sizeof (_Jv_VTable)
+ _Jv_AllocBytes (sizeof (_Jv_VTable)
+ (sizeof (void*) * (vtable_count)));
vtable->clas = clz;
vtable->gc_descr = _Jv_BuildGCDescr(clz);
int arg_count = count_arguments (self->signature, staticp);
ncode_closure *closure =
- (ncode_closure*)_Jv_AllocBytesChecked (sizeof (ncode_closure)
+ (ncode_closure*)_Jv_AllocBytes (sizeof (ncode_closure)
+ arg_count * sizeof (ffi_type*));
init_cif (self->signature,
int arg_count = count_arguments (self->signature, staticp);
ncode_closure *closure =
- (ncode_closure*)_Jv_AllocBytesChecked (sizeof (ncode_closure)
- + arg_count * sizeof (ffi_type*));
+ (ncode_closure*)_Jv_AllocBytes (sizeof (ncode_closure)
+ + arg_count * sizeof (ffi_type*));
ffi_type *rtype;
init_cif (self->signature,
int arg_count = count_arguments (method->signature, staticp);
_Jv_ResolvedMethod* result = (_Jv_ResolvedMethod*)
- _Jv_AllocBytesChecked (sizeof (_Jv_ResolvedMethod)
- + arg_count*sizeof (ffi_type*));
+ _Jv_AllocBytes (sizeof (_Jv_ResolvedMethod)
+ + arg_count*sizeof (ffi_type*));
result->stack_item_count
= init_cif (method->signature,
GCOBJS = @GCOBJS@
GCSPEC = @GCSPEC@
GCTESTSPEC = @GCTESTSPEC@
+HASH_SYNC_SPEC = @HASH_SYNC_SPEC@
INCLTDL = @INCLTDL@
JC1GCSPEC = @JC1GCSPEC@
LIBDATASTARTSPEC = @LIBDATASTARTSPEC@
AUTOMAKE_OPTIONS = foreign dejagnu
# Setup the testing framework, if you have one
-EXPECT = `if [ -f $(top_builddir)/../expect/expect ] ; then echo $(top_builddir)/../expect/expect ; else echo expect ; fi`
+EXPECT = `if [ -f $(top_builddir)/../expect/expect ] ; then \
+ echo $(top_builddir)/../expect/expect ; \
+ else echo expect ; fi`
-RUNTEST = `if [ -f $(top_srcdir)/../dejagnu/runtest ] ; then echo $(top_srcdir)/../dejagnu/runtest ; else echo runtest; fi`
+RUNTEST = `if [ -f $(top_srcdir)/../dejagnu/runtest ] ; then \
+ echo $(top_srcdir)/../dejagnu/runtest ; \
+ else echo runtest; fi`
RUNTESTFLAGS = @AM_RUNTESTFLAGS@
mkinstalldirs = $(SHELL) $(top_srcdir)/../mkinstalldirs
-CONFIG_HEADER = ../include/config.h
+CONFIG_HEADER = ../include/config.h ../gcj/libgcj-config.h
CONFIG_CLEAN_FILES =
DIST_COMMON = ChangeLog Makefile.am Makefile.in
git://gcc.gnu.org / gcc.git / commitdiff