stan/jdk-24
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Alejandro Murillo 2014-10-10 02:24:41 -07:00
commit 9dc15d58dc
2 changed files with 22 additions and 11 deletions
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10
jdk/make/mapfiles/libjfr/mapfile-vers
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@ -10,8 +10,13 @@ SUNWprivate_1.1 {
Java_oracle_jrockit_jfr_Process_getpid;
Java_oracle_jrockit_jfr_Timing_counterTime;
Java_oracle_jrockit_jfr_Timing_init;
Java_oracle_jrockit_jfr_NativeLogger_output0;
Java_oracle_jrockit_jfr_VMJFR_isEnabled;
Java_oracle_jrockit_jfr_Logger_output0;
Java_oracle_jrockit_jfr_JFR_isCommercialFeaturesUnlocked;
Java_oracle_jrockit_jfr_JFR_isStarted;
Java_oracle_jrockit_jfr_JFR_isSupportedInVM;
Java_oracle_jrockit_jfr_JFR_startFlightRecorder;
Java_oracle_jrockit_jfr_JFR_isDisabledOnCommandLine;
Java_oracle_jrockit_jfr_JFR_isEnabled;
Java_oracle_jrockit_jfr_VMJFR_options;
Java_oracle_jrockit_jfr_VMJFR_init;
Java_oracle_jrockit_jfr_VMJFR_addConstPool;
@ -33,7 +38,6 @@ SUNWprivate_1.1 {
Java_oracle_jrockit_jfr_VMJFR_setPeriod;
Java_oracle_jrockit_jfr_VMJFR_getPeriod;
Java_oracle_jrockit_jfr_VMJFR_descriptors;
Java_oracle_jrockit_jfr_VMJFR_redefineClass0;
Java_oracle_jrockit_jfr_VMJFR_retransformClasses0;
JNI_OnLoad;
local:

23
jdk/src/java.base/share/classes/java/lang/invoke/MethodHandleImpl.java
View File

@ -594,6 +594,9 @@ import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
static class Lazy {
private static final Class<?> MHI = MethodHandleImpl.class;
private static final MethodHandle[] ARRAYS;
private static final MethodHandle[] FILL_ARRAYS;
static final NamedFunction NF_checkSpreadArgument;
static final NamedFunction NF_guardWithCatch;
static final NamedFunction NF_throwException;
@ -606,6 +609,9 @@ import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
static final MethodHandle MH_arrayIdentity;
static {
ARRAYS = makeArrays();
FILL_ARRAYS = makeFillArrays();
try {
NF_checkSpreadArgument = new NamedFunction(MHI.getDeclaredMethod("checkSpreadArgument", Object.class, int.class));
NF_guardWithCatch = new NamedFunction(MHI.getDeclaredMethod("guardWithCatch", MethodHandle.class, Class.class,
@ -1268,7 +1274,6 @@ import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
assert(mhs.size() == 11); // current number of methods
return mhs.toArray(new MethodHandle[MAX_ARITY+1]);
}
private static final MethodHandle[] ARRAYS = makeArrays();
// filling versions of the above:
// using Integer len instead of int len and no varargs to avoid bootstrapping problems
@ -1315,6 +1320,9 @@ import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
Object a4, Object a5, Object a6, Object a7,
Object a8, Object a9)
{ fillWithArguments(a, pos, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); return a; }
private static final int FILL_ARRAYS_COUNT = 11; // current number of fillArray methods
private static MethodHandle[] makeFillArrays() {
ArrayList<MethodHandle> mhs = new ArrayList<>();
mhs.add(null); // there is no empty fill; at least a0 is required
@ -1323,10 +1331,9 @@ import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
if (mh == null) break;
mhs.add(mh);
}
assert(mhs.size() == 11); // current number of methods
assert(mhs.size() == FILL_ARRAYS_COUNT);
return mhs.toArray(new MethodHandle[0]);
}
private static final MethodHandle[] FILL_ARRAYS = makeFillArrays();
private static Object copyAsPrimitiveArray(Wrapper w, Object... boxes) {
Object a = w.makeArray(boxes.length);
@ -1338,15 +1345,15 @@ import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
* arguments and returns an Object array of them, as if for varargs.
*/
static MethodHandle varargsArray(int nargs) {
MethodHandle mh = ARRAYS[nargs];
MethodHandle mh = Lazy.ARRAYS[nargs];
if (mh != null) return mh;
mh = findCollector("array", nargs, Object[].class);
if (mh != null) mh = makeIntrinsic(mh, Intrinsic.NEW_ARRAY);
if (mh != null) return ARRAYS[nargs] = mh;
if (mh != null) return Lazy.ARRAYS[nargs] = mh;
mh = buildVarargsArray(Lazy.MH_fillNewArray, Lazy.MH_arrayIdentity, nargs);
assert(assertCorrectArity(mh, nargs));
mh = makeIntrinsic(mh, Intrinsic.NEW_ARRAY);
return ARRAYS[nargs] = mh;
return Lazy.ARRAYS[nargs] = mh;
}
private static boolean assertCorrectArity(MethodHandle mh, int arity) {
@ -1382,7 +1389,7 @@ import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
return mh;
}
private static final int LEFT_ARGS = (FILL_ARRAYS.length - 1);
private static final int LEFT_ARGS = FILL_ARRAYS_COUNT - 1;
private static final MethodHandle[] FILL_ARRAY_TO_RIGHT = new MethodHandle[MAX_ARITY+1];
/** fill_array_to_right(N).invoke(a, argL..arg[N-1])
* fills a[L]..a[N-1] with corresponding arguments,
@ -1413,7 +1420,7 @@ import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
if (midLen < LEFT_ARGS) rightLen = nargs - (midLen = LEFT_ARGS);
assert(rightLen > 0);
MethodHandle midFill = fillToRight(midLen); // recursive fill
MethodHandle rightFill = FILL_ARRAYS[rightLen].bindTo(midLen); // [midLen..nargs-1]
MethodHandle rightFill = Lazy.FILL_ARRAYS[rightLen].bindTo(midLen); // [midLen..nargs-1]
assert(midFill.type().parameterCount() == 1 + midLen - LEFT_ARGS);
assert(rightFill.type().parameterCount() == 1 + rightLen);