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make/autoconf/hotspot.m4
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@@ -24,17 +24,17 @@
#
# All valid JVM features, regardless of platform
VALID_JVM_FEATURES="compiler1 compiler2 zero minimal dtrace jvmti jvmci \
graal vm-structs jni-check services management cmsgc g1gc parallelgc serialgc nmt cds \
- static-build link-time-opt aot jfr"
+ static-build link-time-opt aot jfr no-speculative-cti"
# Deprecated JVM features (these are ignored, but with a warning)
DEPRECATED_JVM_FEATURES="trace"
# All valid JVM variants
-VALID_JVM_VARIANTS="server client minimal core zero custom"
+VALID_JVM_VARIANTS="server client minimal hardened core zero custom"
###############################################################################
# Check if the specified JVM variant should be built. To be used in shell if
# constructs, like this:
# if HOTSPOT_CHECK_JVM_VARIANT(server); then
@@ -59,20 +59,21 @@
[ [ [[ " $JVM_FEATURES " =~ " $1 " ]] ] ])
###############################################################################
# Check which variants of the JVM that we want to build. Available variants are:
# server: normal interpreter, and a tiered C1/C2 compiler
+# hardened: same as server but compiled with speculative calls disabled
# client: normal interpreter, and C1 (no C2 compiler)
# minimal: reduced form of client with optional features stripped out
# core: normal interpreter only, no compiler
# zero: C++ based interpreter only, no compiler
# custom: baseline JVM with no default features
#
AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_VARIANTS],
[
AC_ARG_WITH([jvm-variants], [AS_HELP_STRING([--with-jvm-variants],
- [JVM variants (separated by commas) to build (server,client,minimal,core,zero,custom) @<:@server@:>@])])
+ [JVM variants (separated by commas) to build (server,hardened,client,minimal,core,zero,custom) @<:@server@:>@])])
SETUP_HOTSPOT_TARGET_CPU_PORT
if test "x$with_jvm_variants" = x; then
with_jvm_variants="server"
@@ -102,20 +103,20 @@
AC_MSG_NOTICE([The available JVM variants are: "$VALID_JVM_VARIANTS"])
AC_MSG_ERROR([Cannot continue])
fi
# All "special" variants share the same output directory ("server")
- VALID_MULTIPLE_JVM_VARIANTS="server client minimal"
+ VALID_MULTIPLE_JVM_VARIANTS="server client minimal hardened"
BASIC_GET_NON_MATCHING_VALUES(INVALID_MULTIPLE_VARIANTS, $JVM_VARIANTS, $VALID_MULTIPLE_JVM_VARIANTS)
if test "x$INVALID_MULTIPLE_VARIANTS" != x && test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = xtrue; then
AC_MSG_ERROR([You cannot build multiple variants with anything else than $VALID_MULTIPLE_JVM_VARIANTS.])
fi
# The "main" variant is the one used by other libs to link against during the
# build.
if test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = "xtrue"; then
- MAIN_VARIANT_PRIO_ORDER="server client minimal"
+ MAIN_VARIANT_PRIO_ORDER="server client minimal hardened"
for variant in $MAIN_VARIANT_PRIO_ORDER; do
if HOTSPOT_CHECK_JVM_VARIANT($variant); then
JVM_VARIANT_MAIN="$variant"
break
fi
@@ -125,10 +126,11 @@
fi
AC_SUBST(JVM_VARIANTS)
AC_SUBST(VALID_JVM_VARIANTS)
AC_SUBST(JVM_VARIANT_MAIN)
+ AC_SUBST(VALID_MULTIPLE_JVM_VARIANTS)
if HOTSPOT_CHECK_JVM_VARIANT(zero); then
# zero behaves as a platform and rewrites these values. This is really weird. :(
# We are guaranteed that we do not build any other variants when building zero.
HOTSPOT_TARGET_CPU=zero
@@ -415,17 +417,19 @@
NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES cds"
fi
# Enable features depending on variant.
JVM_FEATURES_server="compiler1 compiler2 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci $JVM_FEATURES_aot $JVM_FEATURES_graal"
+ JVM_FEATURES_hardened="$JVM_FEATURES_server no-speculative-cti"
JVM_FEATURES_client="compiler1 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci"
JVM_FEATURES_core="$NON_MINIMAL_FEATURES $JVM_FEATURES"
JVM_FEATURES_minimal="compiler1 minimal serialgc $JVM_FEATURES $JVM_FEATURES_link_time_opt"
JVM_FEATURES_zero="zero $NON_MINIMAL_FEATURES $JVM_FEATURES"
JVM_FEATURES_custom="$JVM_FEATURES"
AC_SUBST(JVM_FEATURES_server)
+ AC_SUBST(JVM_FEATURES_hardened)
AC_SUBST(JVM_FEATURES_client)
AC_SUBST(JVM_FEATURES_core)
AC_SUBST(JVM_FEATURES_minimal)
AC_SUBST(JVM_FEATURES_zero)
AC_SUBST(JVM_FEATURES_custom)
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