8159515: Improve indy validation
Reviewed-by: jrose, hseigel, vlivanov, bmoloden, ctornqvi, mschoene
diff --git a/jdk/src/java.base/share/native/libverify/check_code.c b/jdk/src/java.base/share/native/libverify/check_code.c
index 1f9408f..b278f25 100644
--- a/jdk/src/java.base/share/native/libverify/check_code.c
+++ b/jdk/src/java.base/share/native/libverify/check_code.c
@@ -1293,14 +1293,13 @@
case JVM_OPC_invokevirtual:
case JVM_OPC_invokespecial:
case JVM_OPC_invokestatic:
- case JVM_OPC_invokedynamic:
case JVM_OPC_invokeinterface: {
/* Make sure the constant pool item is the right type. */
int key = (code[offset + 1] << 8) + code[offset + 2];
const char *methodname;
jclass cb = context->class;
fullinfo_type clazz_info;
- int is_constructor, is_internal, is_invokedynamic;
+ int is_constructor, is_internal;
int kind;
switch (opcode ) {
@@ -1309,9 +1308,6 @@
? (1 << JVM_CONSTANT_Methodref)
: ((1 << JVM_CONSTANT_InterfaceMethodref) | (1 << JVM_CONSTANT_Methodref)));
break;
- case JVM_OPC_invokedynamic:
- kind = 1 << JVM_CONSTANT_NameAndType;
- break;
case JVM_OPC_invokeinterface:
kind = 1 << JVM_CONSTANT_InterfaceMethodref;
break;
@@ -1319,7 +1315,6 @@
kind = 1 << JVM_CONSTANT_Methodref;
}
- is_invokedynamic = opcode == JVM_OPC_invokedynamic;
/* Make sure the constant pool item is the right type. */
verify_constant_pool_type(context, key, kind);
methodname = JVM_GetCPMethodNameUTF(env, cb, key);
@@ -1328,11 +1323,8 @@
is_internal = methodname[0] == '<';
pop_and_free(context);
- if (is_invokedynamic)
- clazz_info = context->object_info; // anything will do
- else
- clazz_info = cp_index_to_class_fullinfo(context, key,
- JVM_CONSTANT_Methodref);
+ clazz_info = cp_index_to_class_fullinfo(context, key,
+ JVM_CONSTANT_Methodref);
this_idata->operand.i = key;
this_idata->operand2.fi = clazz_info;
if (is_constructor) {
@@ -1387,17 +1379,15 @@
"Fourth operand byte of invokeinterface must be zero");
}
pop_and_free(context);
- } else if (opcode == JVM_OPC_invokedynamic) {
- if (code[offset + 3] != 0 || code[offset + 4] != 0) {
- CCerror(context,
- "Third and fourth operand bytes of invokedynamic must be zero");
- }
} else if (opcode == JVM_OPC_invokevirtual
|| opcode == JVM_OPC_invokespecial)
set_protected(context, inumber, key, opcode);
break;
}
+ case JVM_OPC_invokedynamic:
+ CCerror(context,
+ "invokedynamic bytecode is not supported in this class file version");
case JVM_OPC_instanceof:
case JVM_OPC_checkcast:
@@ -2085,7 +2075,6 @@
case JVM_OPC_invokevirtual: case JVM_OPC_invokespecial:
case JVM_OPC_invokeinit: /* invokespecial call to <init> */
- case JVM_OPC_invokedynamic:
case JVM_OPC_invokestatic: case JVM_OPC_invokeinterface: {
/* The top stuff on the stack depends on the method signature */
int operand = this_idata->operand.i;
@@ -2101,8 +2090,7 @@
print_formatted_methodname(context, operand);
}
#endif
- if (opcode != JVM_OPC_invokestatic &&
- opcode != JVM_OPC_invokedynamic)
+ if (opcode != JVM_OPC_invokestatic)
/* First, push the object */
*ip++ = (opcode == JVM_OPC_invokeinit ? '@' : 'A');
for (p = signature + 1; *p != JVM_SIGNATURE_ENDFUNC; ) {
@@ -2388,7 +2376,6 @@
case JVM_OPC_invokevirtual: case JVM_OPC_invokespecial:
case JVM_OPC_invokeinit:
- case JVM_OPC_invokedynamic:
case JVM_OPC_invokeinterface: case JVM_OPC_invokestatic: {
int operand = this_idata->operand.i;
const char *signature =
@@ -2398,8 +2385,7 @@
int item;
const char *p;
check_and_push(context, signature, VM_STRING_UTF);
- if (opcode == JVM_OPC_invokestatic ||
- opcode == JVM_OPC_invokedynamic) {
+ if (opcode == JVM_OPC_invokestatic) {
item = 0;
} else if (opcode == JVM_OPC_invokeinit) {
fullinfo_type init_type = this_idata->operand2.fi;
@@ -2795,7 +2781,6 @@
case JVM_OPC_invokevirtual: case JVM_OPC_invokespecial:
case JVM_OPC_invokeinit:
- case JVM_OPC_invokedynamic:
case JVM_OPC_invokestatic: case JVM_OPC_invokeinterface: {
/* Look to signature to determine correct result. */
int operand = this_idata->operand.i;
