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interpret-run.cc
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// interpret-run.cc - Code to interpret bytecode
/* Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
/* This file is meant only to be included in interpret.cc, it should not be
* compiled directly. */
using namespace java::lang::reflect;
pc_t pc = NULL;
// FRAME_DESC registers this particular invocation as the top-most
// interpreter frame. This lets the stack tracing code (for
// Throwable) print information about the method being interpreted
// rather than about the interpreter itself. FRAME_DESC has a
// destructor so it cleans up automatically when the interpreter
// returns.
java::lang::Thread *thread = java::lang::Thread::currentThread();
#ifdef DEBUG
_Jv_InterpFrame frame_desc (meth, thread, NULL, &pc);
#else
_Jv_InterpFrame frame_desc (meth, thread);
#endif
_Jv_word stack[meth->max_stack];
_Jv_word *sp = stack;
_Jv_word locals[meth->max_locals];
#ifdef DEBUG
// This is the information needed to get and set local variables with
// proper type checking.
frame_desc.locals = locals;
char locals_type[meth->max_locals];
frame_desc.locals_type = locals_type;
// Set all slots as invalid until they are written to.
memset (locals_type, 'x', meth->max_locals);
// We need to set the local variable types for the method arguments since
// they are valid at invocation.
_Jv_Method *method = meth->get_method ();
int type_ctr = 0;
// If the method is non-static, we need to set the type for the "this" pointer.
if ((method->accflags & java::lang::reflect::Modifier::STATIC) == 0)
{
if (args)
{
// Set the "this" pointer for this frame.
_Jv_word *this_ptr = reinterpret_cast<_Jv_word *> (args);
frame_desc.obj_ptr = this_ptr[0].o;
}
frame_desc.locals_type[0] = 'o';
type_ctr++;
}
// Now parse the method signature to set the types of the other arguments.
int sig_len = method->signature->len ();
char *signature = method->signature->chars ();
for (int i = 1; signature[i] != ')' && i <= sig_len; i++)
{
if (signature[i] == 'Z' || signature[i] == 'B' || signature[i] == 'C'
|| signature[i] == 'S' || signature[i] == 'I')
{
frame_desc.locals_type[type_ctr] = 'i';
type_ctr++;
continue;
}
else if (signature[i] == 'F')
{
frame_desc.locals_type[type_ctr] = 'f';
type_ctr++;
continue;
}
else if (signature[i] == 'J')
{
frame_desc.locals_type[type_ctr] = 'l';
frame_desc.locals_type[type_ctr+1] = 'x';
type_ctr += 2;
continue;
}
else if (signature[i] == 'D')
{
frame_desc.locals_type[type_ctr] = 'd';
frame_desc.locals_type[type_ctr+1] = 'x';
type_ctr += 2;
continue;
}
else if (signature[i] == 'L')
{
frame_desc.locals_type[type_ctr] = 'o';
type_ctr++;
while (signature[i] != ';')
i++;
continue;
}
else if (signature[i] == '[')
{
frame_desc.locals_type[type_ctr] = 'o';
type_ctr++;
// Ignore multi-dimensional arrays.
while (signature[i] == '[')
i++;
// Check for an object array
if (signature[i] == 'L')
{
while (signature[i] != ';')
i++;
}
continue;
}
}
#endif /* DEBUG */
#define INSN_LABEL(op) &&insn_##op
static const void *const insn_target[] =
{
INSN_LABEL(nop),
INSN_LABEL(aconst_null),
INSN_LABEL(iconst_m1),
INSN_LABEL(iconst_0),
INSN_LABEL(iconst_1),
INSN_LABEL(iconst_2),
INSN_LABEL(iconst_3),
INSN_LABEL(iconst_4),
INSN_LABEL(iconst_5),
INSN_LABEL(lconst_0),
INSN_LABEL(lconst_1),
INSN_LABEL(fconst_0),
INSN_LABEL(fconst_1),
INSN_LABEL(fconst_2),
INSN_LABEL(dconst_0),
INSN_LABEL(dconst_1),
INSN_LABEL(bipush),
INSN_LABEL(sipush),
INSN_LABEL(ldc),
INSN_LABEL(ldc_w),
INSN_LABEL(ldc2_w),
INSN_LABEL(iload),
INSN_LABEL(lload),
INSN_LABEL(fload),
INSN_LABEL(dload),
INSN_LABEL(aload),
INSN_LABEL(iload_0),
INSN_LABEL(iload_1),
INSN_LABEL(iload_2),
INSN_LABEL(iload_3),
INSN_LABEL(lload_0),
INSN_LABEL(lload_1),
INSN_LABEL(lload_2),
INSN_LABEL(lload_3),
INSN_LABEL(fload_0),
INSN_LABEL(fload_1),
INSN_LABEL(fload_2),
INSN_LABEL(fload_3),
INSN_LABEL(dload_0),
INSN_LABEL(dload_1),
INSN_LABEL(dload_2),
INSN_LABEL(dload_3),
INSN_LABEL(aload_0),
INSN_LABEL(aload_1),
INSN_LABEL(aload_2),
INSN_LABEL(aload_3),
INSN_LABEL(iaload),
INSN_LABEL(laload),
INSN_LABEL(faload),
INSN_LABEL(daload),
INSN_LABEL(aaload),
INSN_LABEL(baload),
INSN_LABEL(caload),
INSN_LABEL(saload),
INSN_LABEL(istore),
INSN_LABEL(lstore),
INSN_LABEL(fstore),
INSN_LABEL(dstore),
INSN_LABEL(astore),
INSN_LABEL(istore_0),
INSN_LABEL(istore_1),
INSN_LABEL(istore_2),
INSN_LABEL(istore_3),
INSN_LABEL(lstore_0),
INSN_LABEL(lstore_1),
INSN_LABEL(lstore_2),
INSN_LABEL(lstore_3),
INSN_LABEL(fstore_0),
INSN_LABEL(fstore_1),
INSN_LABEL(fstore_2),
INSN_LABEL(fstore_3),
INSN_LABEL(dstore_0),
INSN_LABEL(dstore_1),
INSN_LABEL(dstore_2),
INSN_LABEL(dstore_3),
INSN_LABEL(astore_0),
INSN_LABEL(astore_1),
INSN_LABEL(astore_2),
INSN_LABEL(astore_3),
INSN_LABEL(iastore),
INSN_LABEL(lastore),
INSN_LABEL(fastore),
INSN_LABEL(dastore),
INSN_LABEL(aastore),
INSN_LABEL(bastore),
INSN_LABEL(castore),
INSN_LABEL(sastore),
INSN_LABEL(pop),
INSN_LABEL(pop2),
INSN_LABEL(dup),
INSN_LABEL(dup_x1),
INSN_LABEL(dup_x2),
INSN_LABEL(dup2),
INSN_LABEL(dup2_x1),
INSN_LABEL(dup2_x2),
INSN_LABEL(swap),
INSN_LABEL(iadd),
INSN_LABEL(ladd),
INSN_LABEL(fadd),
INSN_LABEL(dadd),
INSN_LABEL(isub),
INSN_LABEL(lsub),
INSN_LABEL(fsub),
INSN_LABEL(dsub),
INSN_LABEL(imul),
INSN_LABEL(lmul),
INSN_LABEL(fmul),
INSN_LABEL(dmul),
INSN_LABEL(idiv),
INSN_LABEL(ldiv),
INSN_LABEL(fdiv),
INSN_LABEL(ddiv),
INSN_LABEL(irem),
INSN_LABEL(lrem),
INSN_LABEL(frem),
INSN_LABEL(drem),
INSN_LABEL(ineg),
INSN_LABEL(lneg),
INSN_LABEL(fneg),
INSN_LABEL(dneg),
INSN_LABEL(ishl),
INSN_LABEL(lshl),
INSN_LABEL(ishr),
INSN_LABEL(lshr),
INSN_LABEL(iushr),
INSN_LABEL(lushr),
INSN_LABEL(iand),
INSN_LABEL(land),
INSN_LABEL(ior),
INSN_LABEL(lor),
INSN_LABEL(ixor),
INSN_LABEL(lxor),
INSN_LABEL(iinc),
INSN_LABEL(i2l),
INSN_LABEL(i2f),
INSN_LABEL(i2d),
INSN_LABEL(l2i),
INSN_LABEL(l2f),
INSN_LABEL(l2d),
INSN_LABEL(f2i),
INSN_LABEL(f2l),
INSN_LABEL(f2d),
INSN_LABEL(d2i),
INSN_LABEL(d2l),
INSN_LABEL(d2f),
INSN_LABEL(i2b),
INSN_LABEL(i2c),
INSN_LABEL(i2s),
INSN_LABEL(lcmp),
INSN_LABEL(fcmpl),
INSN_LABEL(fcmpg),
INSN_LABEL(dcmpl),
INSN_LABEL(dcmpg),
INSN_LABEL(ifeq),
INSN_LABEL(ifne),
INSN_LABEL(iflt),
INSN_LABEL(ifge),
INSN_LABEL(ifgt),
INSN_LABEL(ifle),
INSN_LABEL(if_icmpeq),
INSN_LABEL(if_icmpne),
INSN_LABEL(if_icmplt),
INSN_LABEL(if_icmpge),
INSN_LABEL(if_icmpgt),
INSN_LABEL(if_icmple),
INSN_LABEL(if_acmpeq),
INSN_LABEL(if_acmpne),
INSN_LABEL(goto),
INSN_LABEL(jsr),
INSN_LABEL(ret),
INSN_LABEL(tableswitch),
INSN_LABEL(lookupswitch),
INSN_LABEL(ireturn),
INSN_LABEL(lreturn),
INSN_LABEL(freturn),
INSN_LABEL(dreturn),
INSN_LABEL(areturn),
INSN_LABEL(return),
INSN_LABEL(getstatic),
INSN_LABEL(putstatic),
INSN_LABEL(getfield),
INSN_LABEL(putfield),
INSN_LABEL(invokevirtual),
INSN_LABEL(invokespecial),
INSN_LABEL(invokestatic),
INSN_LABEL(invokeinterface),
INSN_LABEL(breakpoint),
INSN_LABEL(new),
INSN_LABEL(newarray),
INSN_LABEL(anewarray),
INSN_LABEL(arraylength),
INSN_LABEL(athrow),
INSN_LABEL(checkcast),
INSN_LABEL(instanceof),
INSN_LABEL(monitorenter),
INSN_LABEL(monitorexit),
#ifdef DIRECT_THREADED
0, // wide
#else
INSN_LABEL(wide),
#endif
INSN_LABEL(multianewarray),
INSN_LABEL(ifnull),
INSN_LABEL(ifnonnull),
INSN_LABEL(goto_w),
INSN_LABEL(jsr_w),
#ifdef DIRECT_THREADED
INSN_LABEL (ldc_class)
#else
0
#endif
};
#ifdef DIRECT_THREADED
#ifdef DEBUG
#undef NEXT_INSN
#define NEXT_INSN \
do \
{ \
pc_t insn = pc++; \
if (JVMTI_REQUESTED_EVENT (SingleStep)) \
{ \
JNIEnv *env = _Jv_GetCurrentJNIEnv (); \
jmethodID method = meth->self; \
jlocation loc = meth->insn_index (insn); \
_Jv_JVMTI_PostEvent (JVMTI_EVENT_SINGLE_STEP, thread, \
env, method, loc); \
} \
goto *(insn->insn); \
} \
while (0)
#undef REWRITE_INSN
#define REWRITE_INSN(INSN,SLOT,VALUE) \
do { \
if (pc[-2].insn == breakpoint_insn->insn) \
{ \
using namespace ::gnu::gcj::jvmti; \
jlocation location = meth->insn_index (pc - 2); \
_Jv_RewriteBreakpointInsn (meth->self, location, (pc_t) INSN); \
} \
else \
pc[-2].insn = INSN; \
\
pc[-1].SLOT = VALUE; \
} \
while (0)
#undef INTERP_REPORT_EXCEPTION
#define INTERP_REPORT_EXCEPTION(Jthrowable) REPORT_EXCEPTION (Jthrowable)
#else // !DEBUG
#undef NEXT_INSN
#define NEXT_INSN goto *((pc++)->insn)
// REWRITE_INSN does nothing.
//
// Rewriting a multi-word instruction in the presence of multiple
// threads leads to a data race if a thread reads part of an
// instruction while some other thread is rewriting that instruction.
// For example, an invokespecial instruction may be rewritten to
// invokespecial_resolved and its operand changed from an index to a
// pointer while another thread is executing invokespecial. This
// other thread then reads the pointer that is now the operand of
// invokespecial_resolved and tries to use it as an index.
//
// Fixing this requires either spinlocks, a more elaborate data
// structure, or even per-thread allocated pages. It's clear from the
// locking in meth->compile below that the presence of multiple
// threads was contemplated when this code was written, but the full
// consequences were not fully appreciated.
#define REWRITE_INSN(INSN,SLOT,VALUE)
#undef INTERP_REPORT_EXCEPTION
#define INTERP_REPORT_EXCEPTION(Jthrowable) /* not needed when not debugging */
#endif // !DEBUG
#define INTVAL() ((pc++)->int_val)
#define AVAL() ((pc++)->datum)
#define GET1S() INTVAL ()
#define GET2S() INTVAL ()
#define GET1U() INTVAL ()
#define GET2U() INTVAL ()
#define AVAL1U() AVAL ()
#define AVAL2U() AVAL ()
#define AVAL2UP() AVAL ()
#define SKIP_GOTO ++pc
#define GOTO_VAL() (insn_slot *) pc->datum
#define PCVAL(unionval) unionval.p
#define AMPAMP(label) &&label
// Compile if we must. NOTE: Double-check locking.
if (meth->prepared == NULL)
{
_Jv_MutexLock (&compile_mutex);
if (meth->prepared == NULL)
meth->compile (insn_target);
_Jv_MutexUnlock (&compile_mutex);
}
// If we're only compiling, stop here
if (args == NULL)
return;
pc = (insn_slot *) meth->prepared;
#else
#ifdef DEBUG
#define NEXT_INSN \
do \
{ \
if (JVMTI_REQUESTED_EVENT (SingleStep)) \
{ \
JNIEnv *env = _Jv_GetCurrentJNIEnv (); \
jmethodID method = meth->self; \
jlocation loc = meth->insn_index (pc); \
_Jv_JVMTI_PostEvent (JVMTI_EVENT_SINGLE_STEP, thread, \
env, method, loc); \
} \
goto *(insn_target[*pc++])
#else
#define NEXT_INSN goto *(insn_target[*pc++])
#endif
#define GET1S() get1s (pc++)
#define GET2S() (pc += 2, get2s (pc- 2))
#define GET1U() get1u (pc++)
#define GET2U() (pc += 2, get2u (pc - 2))
// Note that these could be more efficient when not handling 'ldc
// class'.
#define AVAL1U() \
({ int index = get1u (pc++); \
_Jv_Linker::resolve_pool_entry (meth->defining_class, index).o; })
#define AVAL2U() \
({ int index = get2u (pc); pc += 2; \
_Jv_Linker::resolve_pool_entry (meth->defining_class, index).o; })
// Note that we don't need to resolve the pool entry here as class
// constants are never wide.
#define AVAL2UP() ({ int index = get2u (pc); pc += 2; &pool_data[index]; })
#define SKIP_GOTO pc += 2
#define GOTO_VAL() pc - 1 + get2s (pc)
#define PCVAL(unionval) unionval.i
#define AMPAMP(label) NULL
pc = meth->bytecode ();
#endif /* DIRECT_THREADED */
#define TAKE_GOTO pc = GOTO_VAL ()
/* Go straight at it! the ffi raw format matches the internal
stack representation exactly. At least, that's the idea.
*/
memcpy ((void*) locals, (void*) args, meth->args_raw_size);
_Jv_word *pool_data = meth->defining_class->constants.data;
/* These three are temporaries for common code used by several
instructions. */
void (*fun)();
_Jv_ResolvedMethod* rmeth;
int tmpval;
try
{
// We keep nop around. It is used if we're interpreting the
// bytecodes and not doing direct threading.
insn_nop:
NEXT_INSN;
/* The first few instructions here are ordered according to their
frequency, in the hope that this will improve code locality a
little. */
insn_aload_0: // 0x2a
LOADA (0);
NEXT_INSN;
insn_iload: // 0x15
LOADI (GET1U ());
NEXT_INSN;
insn_iload_1: // 0x1b
LOADI (1);
NEXT_INSN;
insn_invokevirtual: // 0xb6
{
SAVE_PC();
int index = GET2U ();
/* _Jv_Linker::resolve_pool_entry returns immediately if the
* value already is resolved. If we want to clutter up the
* code here to gain a little performance, then we can check
* the corresponding bit JV_CONSTANT_ResolvedFlag in the tag
* directly. For now, I don't think it is worth it. */
rmeth = (_Jv_Linker::resolve_pool_entry (meth->defining_class,
index)).rmethod;
sp -= rmeth->stack_item_count;
if (rmeth->method->accflags & Modifier::FINAL)
{
// We can't rely on NULLCHECK working if the method is final.
if (! sp[0].o)
throw_null_pointer_exception ();
// Final methods might not appear in the vtable.
fun = (void (*)()) rmeth->method->ncode;
}
else
{
NULLCHECK (sp[0].o);
jobject rcv = sp[0].o;
_Jv_VTable *table = *(_Jv_VTable**) rcv;
fun = (void (*)()) table->get_method (rmeth->method->index);
}
#ifdef DIRECT_THREADED
// Rewrite instruction so that we use a faster pre-resolved
// method.
REWRITE_INSN (&&invokevirtual_resolved, datum, rmeth);
#endif /* DIRECT_THREADED */
}
goto perform_invoke;
#ifdef DIRECT_THREADED
invokevirtual_resolved:
{
SAVE_PC();
rmeth = (_Jv_ResolvedMethod *) AVAL ();
sp -= rmeth->stack_item_count;
if (rmeth->method->accflags & Modifier::FINAL)
{
// We can't rely on NULLCHECK working if the method is final.
if (! sp[0].o)
throw_null_pointer_exception ();
// Final methods might not appear in the vtable.
fun = (void (*)()) rmeth->method->ncode;
}
else
{
NULLCHECK (sp[0].o);
jobject rcv = sp[0].o;
_Jv_VTable *table = *(_Jv_VTable**) rcv;
fun = (void (*)()) table->get_method (rmeth->method->index);
}
}
goto perform_invoke;
#endif /* DIRECT_THREADED */
perform_invoke:
{
/* here goes the magic again... */
ffi_cif *cif = &rmeth->cif;
INTERP_FFI_RAW_TYPE *raw = (INTERP_FFI_RAW_TYPE *) sp;
_Jv_value rvalue;
#if FFI_NATIVE_RAW_API
/* We assume that this is only implemented if it's correct */
/* to use it here. On a 64 bit machine, it never is. */
ffi_raw_call (cif, fun, (void*)&rvalue, raw);
#else
ffi_java_raw_call (cif, fun, (void*)&rvalue, raw);
#endif
int rtype = cif->rtype->type;
/* the likelyhood of object, int, or void return is very high,
* so those are checked before the switch */
if (rtype == FFI_TYPE_POINTER)
{
PUSHA (rvalue.object_value);
}
else if (rtype == FFI_TYPE_SINT32)
{
PUSHI (rvalue.int_value);
}
else if (rtype == FFI_TYPE_VOID)
{
/* skip */
}
else
{
switch (rtype)
{
case FFI_TYPE_SINT8:
PUSHI ((jbyte)(rvalue.int_value & 0xff));
break;
case FFI_TYPE_SINT16:
PUSHI ((jshort)(rvalue.int_value & 0xffff));
break;
case FFI_TYPE_UINT16:
PUSHI (rvalue.int_value & 0xffff);
break;
case FFI_TYPE_FLOAT:
PUSHF (rvalue.float_value);
break;
case FFI_TYPE_DOUBLE:
PUSHD (rvalue.double_value);
break;
case FFI_TYPE_SINT64:
PUSHL (rvalue.long_value);
break;
default:
throw_internal_error ("unknown return type in invokeXXX");
}
}
}
NEXT_INSN;
insn_aconst_null:
PUSHA (NULL);
NEXT_INSN;
insn_iconst_m1:
PUSHI (-1);
NEXT_INSN;
insn_iconst_0:
PUSHI (0);
NEXT_INSN;
insn_iconst_1:
PUSHI (1);
NEXT_INSN;
insn_iconst_2:
PUSHI (2);
NEXT_INSN;
insn_iconst_3:
PUSHI (3);
NEXT_INSN;
insn_iconst_4:
PUSHI (4);
NEXT_INSN;
insn_iconst_5:
PUSHI (5);
NEXT_INSN;
insn_lconst_0:
PUSHL (0);
NEXT_INSN;
insn_lconst_1:
PUSHL (1);
NEXT_INSN;
insn_fconst_0:
PUSHF (0);
NEXT_INSN;
insn_fconst_1:
PUSHF (1);
NEXT_INSN;
insn_fconst_2:
PUSHF (2);
NEXT_INSN;
insn_dconst_0:
PUSHD (0);
NEXT_INSN;
insn_dconst_1:
PUSHD (1);
NEXT_INSN;
insn_bipush:
// For direct threaded, bipush and sipush are the same.
#ifndef DIRECT_THREADED
PUSHI (GET1S ());
NEXT_INSN;
#endif /* DIRECT_THREADED */
insn_sipush:
PUSHI (GET2S ());
NEXT_INSN;
insn_ldc:
// For direct threaded, ldc and ldc_w are the same.
#ifndef DIRECT_THREADED
PUSHA ((jobject) AVAL1U ());
NEXT_INSN;
#endif /* DIRECT_THREADED */
insn_ldc_w:
PUSHA ((jobject) AVAL2U ());
NEXT_INSN;
#ifdef DIRECT_THREADED
// For direct threaded we have a separate 'ldc class' operation.
insn_ldc_class:
{
SAVE_PC();
// We could rewrite the instruction at this point.
int index = INTVAL ();
jobject k = (_Jv_Linker::resolve_pool_entry (meth->defining_class,
index)).o;
PUSHA (k);
}
NEXT_INSN;
#endif /* DIRECT_THREADED */
insn_ldc2_w:
{
void *where = AVAL2UP ();
memcpy (sp, where, 2*sizeof (_Jv_word));
sp += 2;
}
NEXT_INSN;
insn_lload:
LOADL (GET1U ());
NEXT_INSN;
insn_fload:
LOADF (GET1U ());
NEXT_INSN;
insn_dload:
LOADD (GET1U ());
NEXT_INSN;
insn_aload:
LOADA (GET1U ());
NEXT_INSN;
insn_iload_0:
LOADI (0);
NEXT_INSN;
insn_iload_2:
LOADI (2);
NEXT_INSN;
insn_iload_3:
LOADI (3);
NEXT_INSN;
insn_lload_0:
LOADL (0);
NEXT_INSN;
insn_lload_1:
LOADL (1);
NEXT_INSN;
insn_lload_2:
LOADL (2);
NEXT_INSN;
insn_lload_3:
LOADL (3);
NEXT_INSN;
insn_fload_0:
LOADF (0);
NEXT_INSN;
insn_fload_1:
LOADF (1);
NEXT_INSN;
insn_fload_2:
LOADF (2);
NEXT_INSN;
insn_fload_3:
LOADF (3);
NEXT_INSN;
insn_dload_0:
LOADD (0);
NEXT_INSN;
insn_dload_1:
LOADD (1);
NEXT_INSN;
insn_dload_2:
LOADD (2);
NEXT_INSN;
insn_dload_3:
LOADD (3);
NEXT_INSN;
insn_aload_1:
LOADA(1);
NEXT_INSN;
insn_aload_2:
LOADA(2);
NEXT_INSN;
insn_aload_3:
LOADA(3);
NEXT_INSN;
insn_iaload:
{
jint index = POPI();
jintArray arr = (jintArray) POPA();
NULLARRAYCHECK (arr);
ARRAYBOUNDSCHECK (arr, index);
PUSHI( elements(arr)[index] );
}
NEXT_INSN;
insn_laload:
{
jint index = POPI();
jlongArray arr = (jlongArray) POPA();
NULLARRAYCHECK (arr);
ARRAYBOUNDSCHECK (arr, index);
PUSHL( elements(arr)[index] );
}
NEXT_INSN;
insn_faload:
{
jint index = POPI();
jfloatArray arr = (jfloatArray) POPA();
NULLARRAYCHECK (arr);
ARRAYBOUNDSCHECK (arr, index);
PUSHF( elements(arr)[index] );
}
NEXT_INSN;
insn_daload:
{
jint index = POPI();
jdoubleArray arr = (jdoubleArray) POPA();
NULLARRAYCHECK (arr);
ARRAYBOUNDSCHECK (arr, index);
PUSHD( elements(arr)[index] );
}
NEXT_INSN;
insn_aaload:
{
jint index = POPI();
jobjectArray arr = (jobjectArray) POPA();
NULLARRAYCHECK (arr);
ARRAYBOUNDSCHECK (arr, index);
PUSHA( elements(arr)[index] );
}
NEXT_INSN;
insn_baload:
{
jint index = POPI();
jbyteArray arr = (jbyteArray) POPA();
NULLARRAYCHECK (arr);
ARRAYBOUNDSCHECK (arr, index);
PUSHI( elements(arr)[index] );
}
NEXT_INSN;
insn_caload:
{
jint index = POPI();
jcharArray arr = (jcharArray) POPA();
NULLARRAYCHECK (arr);
ARRAYBOUNDSCHECK (arr, index);
PUSHI( elements(arr)[index] );
}
NEXT_INSN;
insn_saload:
{
jint index = POPI();
jshortArray arr = (jshortArray) POPA();
NULLARRAYCHECK (arr);
ARRAYBOUNDSCHECK (arr, index);
PUSHI( elements(arr)[index] );
}
NEXT_INSN;
insn_istore:
STOREI (GET1U ());
NEXT_INSN;
insn_lstore:
STOREL (GET1U ());
NEXT_INSN;
insn_fstore:
STOREF (GET1U ());
NEXT_INSN;
insn_dstore:
STORED (GET1U ());
NEXT_INSN;
insn_astore:
STOREA (GET1U ());
NEXT_INSN;
insn_istore_0:
STOREI (0);
NEXT_INSN;
insn_istore_1:
STOREI (1);
NEXT_INSN;
insn_istore_2:
STOREI (2);
NEXT_INSN;
insn_istore_3:
STOREI (3);
NEXT_INSN;
insn_lstore_0:
STOREL (0);
NEXT_INSN;
insn_lstore_1:
STOREL (1);
NEXT_INSN;
insn_lstore_2:
STOREL (2);
NEXT_INSN;
insn_lstore_3:
STOREL (3);
NEXT_INSN;
insn_fstore_0:
STOREF (0);
NEXT_INSN;
insn_fstore_1:
STOREF (1);
NEXT_INSN;
insn_fstore_2:
STOREF (2);
NEXT_INSN;
insn_fstore_3:
STOREF (3);
NEXT_INSN;
insn_dstore_0:
STORED (0);
NEXT_INSN;
insn_dstore_1:
STORED (1);
NEXT_INSN;
insn_dstore_2: