Example 26 with Offset
use of org.vmmagic.unboxed.Offset in project JikesRVM by JikesRVM.
the class FieldLayout method setOffset.
/**
* Update a field to set its offset within the object.
*
* @param klass the class that the field belongs to
* @param field the field
* @param offset the new offset for the field
*/
protected void setOffset(RVMClass klass, RVMField field, int offset) {
Offset fieldOffset;
if (offset >= 0) {
fieldOffset = Offset.fromIntSignExtend(JavaHeader.objectStartOffset(klass) + ObjectModel.computeScalarHeaderSize(klass) + offset);
} else {
/* Negative offsets go before the header */
fieldOffset = Offset.fromIntSignExtend(JavaHeader.objectStartOffset(klass) + offset);
}
field.setOffset(fieldOffset);
if (DEBUG) {
VM.sysWrite(" field: ", field.toString());
VM.sysWriteln(" offset ", fieldOffset.toInt());
}
}
Also used :
Offset(org.vmmagic.unboxed.Offset)
Example 27 with Offset
use of org.vmmagic.unboxed.Offset in project JikesRVM by JikesRVM.
the class EncodedOSRMap method findOSREntry.
// ///////////////////////////////
// private functions
// //////////////////////////////
/**
* Do a binary search, find the entry for the machine code offset.
*
* @param mcOffset the instruction offset in bytes
* @return {@link OSRConstants#NO_OSR_ENTRY} if no entry was found, the
* entry otherwise
*/
private int findOSREntry(Offset mcOffset) {
int l = 0;
int r = lastEntry;
while (l <= r) {
int m = (l + r) >> 1;
Offset offset = Offset.fromIntSignExtend(getMCOffset(m));
if (offset.EQ(mcOffset)) {
return m;
} else if (offset.sLT(mcOffset)) {
l = m + 1;
} else {
r = m - 1;
}
}
/* this is the place should not be reached, dump OSR content */
if (VM.TraceOnStackReplacement) {
VM.sysWriteln("cannot find map entry for ", mcOffset);
this.printMap();
}
if (VM.VerifyAssertions)
VM._assert(VM.NOT_REACHED);
return NO_OSR_ENTRY;
}
Also used :
Offset(org.vmmagic.unboxed.Offset)
Example 28 with Offset
use of org.vmmagic.unboxed.Offset in project JikesRVM by JikesRVM.
the class JNIEnvironment method entryToJNI.
/**
* Save data and perform necessary conversions for entry into JNI.
* NB only used for Intel.
*
* @param encodedReferenceOffsets
* bit mask marking which elements on the stack hold objects that need
* encoding as JNI ref identifiers
*/
@Uninterruptible("Objects on the stack won't be recognized by GC, therefore don't allow GC")
@Entrypoint
public void entryToJNI(int encodedReferenceOffsets) {
// Save processor
savedTRreg = Magic.getThreadRegister();
// Save frame pointer of calling routine, once so that native stack frames
// are skipped and once for use by GC
Address callersFP = Magic.getCallerFramePointer(Magic.getFramePointer());
// NB old value saved on call stack
basePointerOnEntryToNative = callersFP;
JNITopJavaFP = callersFP;
if (VM.traceJNI) {
RVMMethod m = CompiledMethods.getCompiledMethod(Magic.getCompiledMethodID(callersFP)).getMethod();
VM.sysWrite("calling JNI from ");
VM.sysWrite(m.getDeclaringClass().getDescriptor());
VM.sysWrite(" ");
VM.sysWrite(m.getName());
VM.sysWrite(m.getDescriptor());
VM.sysWriteln();
}
// Save current JNI ref stack pointer
if (JNIRefsTop > 0) {
uninterruptiblePushJNIRef(Address.fromIntSignExtend(JNIRefsSavedFP), false);
JNIRefsSavedFP = JNIRefsTop;
}
// Convert arguments on stack from objects to JNI references
Address fp = Magic.getFramePointer();
Offset argOffset = Offset.fromIntSignExtend(5 * BYTES_IN_ADDRESS);
fp.store(uninterruptiblePushJNIRef(fp.loadAddress(argOffset), true), argOffset);
while (encodedReferenceOffsets != 0) {
argOffset = argOffset.plus(BYTES_IN_ADDRESS);
if ((encodedReferenceOffsets & 1) != 0) {
fp.store(uninterruptiblePushJNIRef(fp.loadAddress(argOffset), true), argOffset);
}
encodedReferenceOffsets >>>= 1;
}
// Transition processor from IN_JAVA to IN_JNI
RVMThread.enterJNIFromCallIntoNative();
}
Also used :
RVMMethod(org.jikesrvm.classloader.RVMMethod)
Address(org.vmmagic.unboxed.Address)
Offset(org.vmmagic.unboxed.Offset)
Uninterruptible(org.vmmagic.pragma.Uninterruptible)
Entrypoint(org.vmmagic.pragma.Entrypoint)
Example 29 with Offset
use of org.vmmagic.unboxed.Offset in project JikesRVM by JikesRVM.
the class TemplateCompilerFramework method genCode.
/**
* Main code generation loop.
*
* @return generated machine code
*/
protected final MachineCode genCode() {
AbstractAssembler asm = getAssembler();
AbstractLister lister = getLister();
emit_prologue();
while (bcodes.hasMoreBytecodes()) {
biStart = bcodes.index();
bytecodeMap[biStart] = asm.getMachineCodeIndex();
asm.resolveForwardReferences(biStart);
starting_bytecode();
int code = bcodes.nextInstruction();
switch(code) {
case JBC_nop:
{
if (shouldPrint)
lister.noteBytecode(biStart, "nop");
break;
}
case JBC_aconst_null:
{
if (shouldPrint)
lister.noteBytecode(biStart, "aconst_null");
emit_aconst_null();
break;
}
case JBC_iconst_m1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iconst_m1");
emit_iconst(-1);
break;
}
case JBC_iconst_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iconst_0");
emit_iconst(0);
break;
}
case JBC_iconst_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iconst_1");
emit_iconst(1);
break;
}
case JBC_iconst_2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iconst_2");
emit_iconst(2);
break;
}
case JBC_iconst_3:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iconst_3");
emit_iconst(3);
break;
}
case JBC_iconst_4:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iconst_4");
emit_iconst(4);
break;
}
case JBC_iconst_5:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iconst_5");
emit_iconst(5);
break;
}
case JBC_lconst_0:
{
// floating-point 0 is long 0
if (shouldPrint)
lister.noteBytecode(biStart, "lconst_0");
emit_lconst(0);
break;
}
case JBC_lconst_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lconst_1");
emit_lconst(1);
break;
}
case JBC_fconst_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fconst_0");
emit_fconst_0();
break;
}
case JBC_fconst_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fconst_1");
emit_fconst_1();
break;
}
case JBC_fconst_2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fconst_2");
emit_fconst_2();
break;
}
case JBC_dconst_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dconst_0");
emit_dconst_0();
break;
}
case JBC_dconst_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dconst_1");
emit_dconst_1();
break;
}
case JBC_bipush:
{
int val = bcodes.getByteValue();
if (shouldPrint)
lister.noteBytecode(biStart, "bipush", val);
emit_iconst(val);
break;
}
case JBC_sipush:
{
int val = bcodes.getShortValue();
if (shouldPrint)
lister.noteBytecode(biStart, "sipush", val);
emit_iconst(val);
break;
}
case JBC_ldc:
{
int index = bcodes.getConstantIndex();
if (shouldPrint)
lister.noteBytecode(biStart, "ldc", index);
Offset offset = klass.getLiteralOffset(index);
byte type = klass.getLiteralDescription(index);
emit_ldc(offset, type);
break;
}
case JBC_ldc_w:
{
int index = bcodes.getWideConstantIndex();
if (shouldPrint)
lister.noteBytecode(biStart, "ldc_w", index);
Offset offset = klass.getLiteralOffset(index);
byte type = klass.getLiteralDescription(index);
emit_ldc(offset, type);
break;
}
case JBC_ldc2_w:
{
int index = bcodes.getWideConstantIndex();
if (shouldPrint)
lister.noteBytecode(biStart, "ldc2_w", index);
Offset offset = klass.getLiteralOffset(index);
byte type = klass.getLiteralDescription(index);
emit_ldc2(offset, type);
break;
}
case JBC_iload:
{
int index = bcodes.getLocalNumber();
if (shouldPrint)
lister.noteBytecode(biStart, "iload", index);
emit_iload(index);
break;
}
case JBC_lload:
{
int index = bcodes.getLocalNumber();
if (shouldPrint)
lister.noteBytecode(biStart, "lload", index);
emit_lload(index);
break;
}
case JBC_fload:
{
int index = bcodes.getLocalNumber();
if (shouldPrint)
lister.noteBytecode(biStart, "fload", index);
emit_fload(index);
break;
}
case JBC_dload:
{
int index = bcodes.getLocalNumber();
if (shouldPrint)
lister.noteBytecode(biStart, "dload", index);
emit_dload(index);
break;
}
case JBC_aload:
{
int index = bcodes.getLocalNumber();
if (shouldPrint)
lister.noteBytecode(biStart, "aload", index);
emit_aload(index);
break;
}
case JBC_iload_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iload_0");
emit_iload(0);
break;
}
case JBC_iload_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iload_1");
emit_iload(1);
break;
}
case JBC_iload_2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iload_2");
emit_iload(2);
break;
}
case JBC_iload_3:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iload_3");
emit_iload(3);
break;
}
case JBC_lload_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lload_0");
emit_lload(0);
break;
}
case JBC_lload_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lload_1");
emit_lload(1);
break;
}
case JBC_lload_2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lload_2");
emit_lload(2);
break;
}
case JBC_lload_3:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lload_3");
emit_lload(3);
break;
}
case JBC_fload_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fload_0");
emit_fload(0);
break;
}
case JBC_fload_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fload_1");
emit_fload(1);
break;
}
case JBC_fload_2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fload_2");
emit_fload(2);
break;
}
case JBC_fload_3:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fload_3");
emit_fload(3);
break;
}
case JBC_dload_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dload_0");
emit_dload(0);
break;
}
case JBC_dload_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dload_1");
emit_dload(1);
break;
}
case JBC_dload_2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dload_2");
emit_dload(2);
break;
}
case JBC_dload_3:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dload_3");
emit_dload(3);
break;
}
case JBC_aload_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "aload_0");
emit_aload(0);
break;
}
case JBC_aload_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "aload_1");
emit_aload(1);
break;
}
case JBC_aload_2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "aload_2");
emit_aload(2);
break;
}
case JBC_aload_3:
{
if (shouldPrint)
lister.noteBytecode(biStart, "aload_3");
emit_aload(3);
break;
}
case JBC_iaload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iaload");
emit_iaload();
break;
}
case JBC_laload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "laload");
emit_laload();
break;
}
case JBC_faload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "faload");
emit_faload();
break;
}
case JBC_daload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "daload");
emit_daload();
break;
}
case JBC_aaload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "aaload");
emit_aaload();
break;
}
case JBC_baload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "baload");
emit_baload();
break;
}
case JBC_caload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "caload");
emit_caload();
break;
}
case JBC_saload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "saload");
emit_saload();
break;
}
case JBC_istore:
{
int index = bcodes.getLocalNumber();
if (shouldPrint)
lister.noteBytecode(biStart, "istore", index);
emit_istore(index);
break;
}
case JBC_lstore:
{
int index = bcodes.getLocalNumber();
if (shouldPrint)
lister.noteBytecode(biStart, "lstore", index);
emit_lstore(index);
break;
}
case JBC_fstore:
{
int index = bcodes.getLocalNumber();
if (shouldPrint)
lister.noteBytecode(biStart, "fstore", index);
emit_fstore(index);
break;
}
case JBC_dstore:
{
int index = bcodes.getLocalNumber();
if (shouldPrint)
lister.noteBytecode(biStart, "dstore", index);
emit_dstore(index);
break;
}
case JBC_astore:
{
int index = bcodes.getLocalNumber();
if (shouldPrint)
lister.noteBytecode(biStart, "astore", index);
emit_astore(index);
break;
}
case JBC_istore_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "istore_0");
emit_istore(0);
break;
}
case JBC_istore_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "istore_1");
emit_istore(1);
break;
}
case JBC_istore_2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "istore_2");
emit_istore(2);
break;
}
case JBC_istore_3:
{
if (shouldPrint)
lister.noteBytecode(biStart, "istore_3");
emit_istore(3);
break;
}
case JBC_lstore_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lstore_0");
emit_lstore(0);
break;
}
case JBC_lstore_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lstore_1");
emit_lstore(1);
break;
}
case JBC_lstore_2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lstore_2");
emit_lstore(2);
break;
}
case JBC_lstore_3:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lstore_3");
emit_lstore(3);
break;
}
case JBC_fstore_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fstore_0");
emit_fstore(0);
break;
}
case JBC_fstore_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fstore_1");
emit_fstore(1);
break;
}
case JBC_fstore_2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fstore_2");
emit_fstore(2);
break;
}
case JBC_fstore_3:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fstore_3");
emit_fstore(3);
break;
}
case JBC_dstore_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dstore_0");
emit_dstore(0);
break;
}
case JBC_dstore_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dstore_1");
emit_dstore(1);
break;
}
case JBC_dstore_2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dstore_2");
emit_dstore(2);
break;
}
case JBC_dstore_3:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dstore_3");
emit_dstore(3);
break;
}
case JBC_astore_0:
{
if (shouldPrint)
lister.noteBytecode(biStart, "astore_0");
emit_astore(0);
break;
}
case JBC_astore_1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "astore_1");
emit_astore(1);
break;
}
case JBC_astore_2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "astore_2");
emit_astore(2);
break;
}
case JBC_astore_3:
{
if (shouldPrint)
lister.noteBytecode(biStart, "astore_3");
emit_astore(3);
break;
}
case JBC_iastore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iastore");
emit_iastore();
break;
}
case JBC_lastore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lastore");
emit_lastore();
break;
}
case JBC_fastore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fastore");
emit_fastore();
break;
}
case JBC_dastore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dastore");
emit_dastore();
break;
}
case JBC_aastore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "aastore");
// ArrayStoreException}
if (VM.VerifyUnint && isUninterruptible && doesCheckStore)
forbiddenBytecode("aastore", bcodes.index());
emit_aastore();
break;
}
case JBC_bastore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "bastore");
emit_bastore();
break;
}
case JBC_castore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "castore");
emit_castore();
break;
}
case JBC_sastore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "sastore");
emit_sastore();
break;
}
case JBC_pop:
{
if (shouldPrint)
lister.noteBytecode(biStart, "pop");
emit_pop();
break;
}
case JBC_pop2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "pop2");
emit_pop2();
break;
}
case JBC_dup:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dup");
emit_dup();
break;
}
case JBC_dup_x1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dup_x1");
emit_dup_x1();
break;
}
case JBC_dup_x2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dup_x2");
emit_dup_x2();
break;
}
case JBC_dup2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dup2");
emit_dup2();
break;
}
case JBC_dup2_x1:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dup2_x1");
emit_dup2_x1();
break;
}
case JBC_dup2_x2:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dup2_x2");
emit_dup2_x2();
break;
}
case JBC_swap:
{
if (shouldPrint)
lister.noteBytecode(biStart, "swap");
emit_swap();
break;
}
case JBC_iadd:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iadd");
emit_iadd();
break;
}
case JBC_ladd:
{
if (shouldPrint)
lister.noteBytecode(biStart, "ladd");
emit_ladd();
break;
}
case JBC_fadd:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fadd");
emit_fadd();
break;
}
case JBC_dadd:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dadd");
emit_dadd();
break;
}
case JBC_isub:
{
if (shouldPrint)
lister.noteBytecode(biStart, "isub");
emit_isub();
break;
}
case JBC_lsub:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lsub");
emit_lsub();
break;
}
case JBC_fsub:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fsub");
emit_fsub();
break;
}
case JBC_dsub:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dsub");
emit_dsub();
break;
}
case JBC_imul:
{
if (shouldPrint)
lister.noteBytecode(biStart, "imul");
emit_imul();
break;
}
case JBC_lmul:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lmul");
emit_lmul();
break;
}
case JBC_fmul:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fmul");
emit_fmul();
break;
}
case JBC_dmul:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dmul");
emit_dmul();
break;
}
case JBC_idiv:
{
if (shouldPrint)
lister.noteBytecode(biStart, "idiv");
emit_idiv();
break;
}
case JBC_ldiv:
{
if (shouldPrint)
lister.noteBytecode(biStart, "ldiv");
emit_ldiv();
break;
}
case JBC_fdiv:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fdiv");
emit_fdiv();
break;
}
case JBC_ddiv:
{
if (shouldPrint)
lister.noteBytecode(biStart, "ddiv");
emit_ddiv();
break;
}
case JBC_irem:
{
if (shouldPrint)
lister.noteBytecode(biStart, "irem");
emit_irem();
break;
}
case JBC_lrem:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lrem");
emit_lrem();
break;
}
case JBC_frem:
{
if (shouldPrint)
lister.noteBytecode(biStart, "frem");
emit_frem();
break;
}
case JBC_drem:
{
if (shouldPrint)
lister.noteBytecode(biStart, "drem");
emit_drem();
break;
}
case JBC_ineg:
{
if (shouldPrint)
lister.noteBytecode(biStart, "ineg");
emit_ineg();
break;
}
case JBC_lneg:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lneg");
emit_lneg();
break;
}
case JBC_fneg:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fneg");
emit_fneg();
break;
}
case JBC_dneg:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dneg");
emit_dneg();
break;
}
case JBC_ishl:
{
if (shouldPrint)
lister.noteBytecode(biStart, "ishl");
emit_ishl();
break;
}
case JBC_lshl:
{
// l >> n
if (shouldPrint)
lister.noteBytecode(biStart, "lshl");
emit_lshl();
break;
}
case JBC_ishr:
{
if (shouldPrint)
lister.noteBytecode(biStart, "ishr");
emit_ishr();
break;
}
case JBC_lshr:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lshr");
emit_lshr();
break;
}
case JBC_iushr:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iushr");
emit_iushr();
break;
}
case JBC_lushr:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lushr");
emit_lushr();
break;
}
case JBC_iand:
{
if (shouldPrint)
lister.noteBytecode(biStart, "iand");
emit_iand();
break;
}
case JBC_land:
{
if (shouldPrint)
lister.noteBytecode(biStart, "land");
emit_land();
break;
}
case JBC_ior:
{
if (shouldPrint)
lister.noteBytecode(biStart, "ior");
emit_ior();
break;
}
case JBC_lor:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lor");
emit_lor();
break;
}
case JBC_ixor:
{
if (shouldPrint)
lister.noteBytecode(biStart, "ixor");
emit_ixor();
break;
}
case JBC_lxor:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lxor");
emit_lxor();
break;
}
case JBC_iinc:
{
int index = bcodes.getLocalNumber();
int val = bcodes.getIncrement();
if (shouldPrint)
lister.noteBytecode(biStart, "iinc", index, val);
emit_iinc(index, val);
break;
}
case JBC_i2l:
{
if (shouldPrint)
lister.noteBytecode(biStart, "i2l");
emit_i2l();
break;
}
case JBC_i2f:
{
if (shouldPrint)
lister.noteBytecode(biStart, "i2f");
emit_i2f();
break;
}
case JBC_i2d:
{
if (shouldPrint)
lister.noteBytecode(biStart, "i2d");
emit_i2d();
break;
}
case JBC_l2i:
{
if (shouldPrint)
lister.noteBytecode(biStart, "l2i");
emit_l2i();
break;
}
case JBC_l2f:
{
if (shouldPrint)
lister.noteBytecode(biStart, "l2f");
emit_l2f();
break;
}
case JBC_l2d:
{
if (shouldPrint)
lister.noteBytecode(biStart, "l2d");
emit_l2d();
break;
}
case JBC_f2i:
{
if (shouldPrint)
lister.noteBytecode(biStart, "f2i");
emit_f2i();
break;
}
case JBC_f2l:
{
if (shouldPrint)
lister.noteBytecode(biStart, "f2l");
emit_f2l();
break;
}
case JBC_f2d:
{
if (shouldPrint)
lister.noteBytecode(biStart, "f2d");
emit_f2d();
break;
}
case JBC_d2i:
{
if (shouldPrint)
lister.noteBytecode(biStart, "d2i");
emit_d2i();
break;
}
case JBC_d2l:
{
if (shouldPrint)
lister.noteBytecode(biStart, "d2l");
emit_d2l();
break;
}
case JBC_d2f:
{
if (shouldPrint)
lister.noteBytecode(biStart, "d2f");
emit_d2f();
break;
}
case JBC_int2byte:
{
if (shouldPrint)
lister.noteBytecode(biStart, "i2b");
emit_i2b();
break;
}
case JBC_int2char:
{
if (shouldPrint)
lister.noteBytecode(biStart, "i2c");
emit_i2c();
break;
}
case JBC_int2short:
{
if (shouldPrint)
lister.noteBytecode(biStart, "i2s");
emit_i2s();
break;
}
case JBC_lcmp:
{
// a ? b
if (shouldPrint)
lister.noteBytecode(biStart, "lcmp");
emit_lcmp();
break;
}
case JBC_fcmpl:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fcmpl");
emit_DFcmpGL(true, false);
break;
}
case JBC_fcmpg:
{
if (shouldPrint)
lister.noteBytecode(biStart, "fcmpg");
emit_DFcmpGL(true, true);
break;
}
case JBC_dcmpl:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dcmpl");
emit_DFcmpGL(false, false);
break;
}
case JBC_dcmpg:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dcmpg");
emit_DFcmpGL(false, true);
break;
}
case JBC_ifeq:
{
do_if(biStart, BranchCondition.EQ);
break;
}
case JBC_ifne:
{
do_if(biStart, BranchCondition.NE);
break;
}
case JBC_iflt:
{
do_if(biStart, BranchCondition.LT);
break;
}
case JBC_ifge:
{
do_if(biStart, BranchCondition.GE);
break;
}
case JBC_ifgt:
{
do_if(biStart, BranchCondition.GT);
break;
}
case JBC_ifle:
{
do_if(biStart, BranchCondition.LE);
break;
}
case JBC_if_icmpeq:
{
do_if_icmp(biStart, BranchCondition.EQ);
break;
}
case JBC_if_icmpne:
{
do_if_icmp(biStart, BranchCondition.NE);
break;
}
case JBC_if_icmplt:
{
do_if_icmp(biStart, BranchCondition.LT);
break;
}
case JBC_if_icmpge:
{
do_if_icmp(biStart, BranchCondition.GE);
break;
}
case JBC_if_icmpgt:
{
do_if_icmp(biStart, BranchCondition.GT);
break;
}
case JBC_if_icmple:
{
do_if_icmp(biStart, BranchCondition.LE);
break;
}
case JBC_if_acmpeq:
{
int offset = bcodes.getBranchOffset();
int bTarget = biStart + offset;
if (shouldPrint)
lister.noteBranchBytecode(biStart, "if_acmpeq", offset, bTarget);
if (offset <= 0)
emit_threadSwitchTest(RVMThread.BACKEDGE);
emit_if_acmpeq(bTarget);
break;
}
case JBC_if_acmpne:
{
int offset = bcodes.getBranchOffset();
int bTarget = biStart + offset;
if (shouldPrint)
lister.noteBranchBytecode(biStart, "if_acmpne", offset, bTarget);
if (offset <= 0)
emit_threadSwitchTest(RVMThread.BACKEDGE);
emit_if_acmpne(bTarget);
break;
}
case JBC_goto:
{
int offset = bcodes.getBranchOffset();
// bi has been bumped by 3 already
int bTarget = biStart + offset;
if (shouldPrint)
lister.noteBranchBytecode(biStart, "goto", offset, bTarget);
if (offset <= 0)
emit_threadSwitchTest(RVMThread.BACKEDGE);
emit_goto(bTarget);
break;
}
case JBC_jsr:
{
int offset = bcodes.getBranchOffset();
int bTarget = biStart + offset;
if (shouldPrint)
lister.noteBranchBytecode(biStart, "jsr", offset, bTarget);
emit_jsr(bTarget);
break;
}
case JBC_ret:
{
int index = bcodes.getLocalNumber();
if (shouldPrint)
lister.noteBytecode(biStart, "ret ", index);
emit_ret(index);
break;
}
case JBC_tableswitch:
{
bcodes.alignSwitch();
int defaultval = bcodes.getDefaultSwitchOffset();
int low = bcodes.getLowSwitchValue();
int high = bcodes.getHighSwitchValue();
if (shouldPrint)
lister.noteTableswitchBytecode(biStart, low, high, defaultval);
emit_tableswitch(defaultval, low, high);
break;
}
case JBC_lookupswitch:
{
bcodes.alignSwitch();
int defaultval = bcodes.getDefaultSwitchOffset();
int npairs = bcodes.getSwitchLength();
if (shouldPrint)
lister.noteLookupswitchBytecode(biStart, npairs, defaultval);
emit_lookupswitch(defaultval, npairs);
break;
}
case JBC_ireturn:
{
if (shouldPrint)
lister.noteBytecode(biStart, "ireturn");
if (VM.UseEpilogueYieldPoints)
emit_threadSwitchTest(RVMThread.EPILOGUE);
emit_ireturn();
break;
}
case JBC_lreturn:
{
if (shouldPrint)
lister.noteBytecode(biStart, "lreturn");
if (VM.UseEpilogueYieldPoints)
emit_threadSwitchTest(RVMThread.EPILOGUE);
emit_lreturn();
break;
}
case JBC_freturn:
{
if (shouldPrint)
lister.noteBytecode(biStart, "freturn");
if (VM.UseEpilogueYieldPoints)
emit_threadSwitchTest(RVMThread.EPILOGUE);
emit_freturn();
break;
}
case JBC_dreturn:
{
if (shouldPrint)
lister.noteBytecode(biStart, "dreturn");
if (VM.UseEpilogueYieldPoints)
emit_threadSwitchTest(RVMThread.EPILOGUE);
emit_dreturn();
break;
}
case JBC_areturn:
{
if (shouldPrint)
lister.noteBytecode(biStart, "areturn");
if (VM.UseEpilogueYieldPoints)
emit_threadSwitchTest(RVMThread.EPILOGUE);
emit_areturn();
break;
}
case JBC_return:
{
if (shouldPrint)
lister.noteBytecode(biStart, "return");
if (VM.UseEpilogueYieldPoints)
emit_threadSwitchTest(RVMThread.EPILOGUE);
emit_return();
break;
}
case JBC_getstatic:
{
FieldReference fieldRef = bcodes.getFieldReference();
if (shouldPrint)
lister.noteBytecode(biStart, "getstatic", fieldRef);
if (fieldRef.needsDynamicLink(method)) {
// interruptions
if (VM.VerifyUnint && !isInterruptible)
forbiddenBytecode("unresolved getstatic ", fieldRef, bcodes.index());
emit_unresolved_getstatic(fieldRef);
} else {
emit_resolved_getstatic(fieldRef);
}
break;
}
case JBC_putstatic:
{
FieldReference fieldRef = bcodes.getFieldReference();
if (shouldPrint)
lister.noteBytecode(biStart, "putstatic", fieldRef);
if (fieldRef.needsDynamicLink(method)) {
// interruptions
if (VM.VerifyUnint && !isInterruptible)
forbiddenBytecode("unresolved putstatic ", fieldRef, bcodes.index());
emit_unresolved_putstatic(fieldRef);
} else {
emit_resolved_putstatic(fieldRef);
}
break;
}
case JBC_getfield:
{
FieldReference fieldRef = bcodes.getFieldReference();
if (shouldPrint)
lister.noteBytecode(biStart, "getfield", fieldRef);
if (fieldRef.needsDynamicLink(method)) {
// interruptions
if (VM.VerifyUnint && !isInterruptible)
forbiddenBytecode("unresolved getfield ", fieldRef, bcodes.index());
emit_unresolved_getfield(fieldRef);
} else {
emit_resolved_getfield(fieldRef);
}
break;
}
case JBC_putfield:
{
FieldReference fieldRef = bcodes.getFieldReference();
if (shouldPrint)
lister.noteBytecode(biStart, "putfield", fieldRef);
if (fieldRef.needsDynamicLink(method)) {
// interruptions
if (VM.VerifyUnint && !isInterruptible)
forbiddenBytecode("unresolved putfield ", fieldRef, bcodes.index());
emit_unresolved_putfield(fieldRef);
} else {
emit_resolved_putfield(fieldRef);
}
break;
}
case JBC_invokevirtual:
{
ForwardReference xx = null;
if (biStart == this.pendingIdx) {
// goto X
ForwardReference x = emit_pending_goto(0);
// pendingIdx: (target of pending goto in prologue)
this.pendingRef.resolve(asm);
CompiledMethod cm = CompiledMethods.getCompiledMethod(this.pendingCMID);
if (VM.VerifyAssertions)
VM._assert(cm.isSpecialForOSR());
// invoke_cmid
emit_invoke_compiledmethod(cm);
// goto XX
xx = emit_pending_goto(0);
// X:
x.resolve(asm);
}
MethodReference methodRef = bcodes.getMethodReference();
if (shouldPrint)
lister.noteBytecode(biStart, "invokevirtual", methodRef);
if (methodRef.getType().isMagicType()) {
if (emit_Magic(methodRef)) {
break;
}
}
if (methodRef.isMiranda()) {
/* Special case of abstract interface method should generate
* an invokeinterface, despite the compiler claiming it should
* be invokevirtual.
*/
if (shouldPrint)
lister.noteBytecode(biStart, "invokeinterface", methodRef);
// causes runtime checks that can be interrupted
if (VM.VerifyUnint && !isInterruptible)
forbiddenBytecode("invokeinterface ", methodRef, bcodes.index());
emit_invokeinterface(methodRef);
} else {
if (methodRef.needsDynamicLink(method)) {
// cause interruptions
if (VM.VerifyUnint && !isInterruptible)
forbiddenBytecode("unresolved invokevirtual ", methodRef, bcodes.index());
emit_unresolved_invokevirtual(methodRef);
} else {
if (VM.VerifyUnint && !isInterruptible)
checkTarget(methodRef.peekResolvedMethod(), bcodes.index());
emit_resolved_invokevirtual(methodRef);
}
}
if (xx != null) {
// XX:
xx.resolve(asm);
}
break;
}
case JBC_invokespecial:
{
ForwardReference xx = null;
if (biStart == this.pendingIdx) {
// goto X
ForwardReference x = emit_pending_goto(0);
// pendingIdx: (target of pending goto in prologue)
this.pendingRef.resolve(asm);
CompiledMethod cm = CompiledMethods.getCompiledMethod(this.pendingCMID);
if (VM.VerifyAssertions)
VM._assert(cm.isSpecialForOSR());
// invoke_cmid
emit_invoke_compiledmethod(cm);
// goto XX
xx = emit_pending_goto(0);
// X:
x.resolve(asm);
}
MethodReference methodRef = bcodes.getMethodReference();
if (shouldPrint)
lister.noteBytecode(biStart, "invokespecial", methodRef);
RVMMethod target = methodRef.resolveInvokeSpecial();
if (target != null) {
if (VM.VerifyUnint && !isInterruptible)
checkTarget(target, bcodes.index());
emit_resolved_invokespecial(methodRef, target);
} else {
emit_unresolved_invokespecial(methodRef);
}
if (xx != null) {
// XX:
xx.resolve(asm);
}
break;
}
case JBC_invokestatic:
{
ForwardReference xx = null;
if (biStart == this.pendingIdx) {
// goto X
ForwardReference x = emit_pending_goto(0);
// pendingIdx: (target of pending goto in prologue)
this.pendingRef.resolve(asm);
CompiledMethod cm = CompiledMethods.getCompiledMethod(this.pendingCMID);
if (VM.VerifyAssertions)
VM._assert(cm.isSpecialForOSR());
// invoke_cmid
emit_invoke_compiledmethod(cm);
// goto XX
xx = emit_pending_goto(0);
// X:
x.resolve(asm);
}
MethodReference methodRef = bcodes.getMethodReference();
if (shouldPrint)
lister.noteBytecode(biStart, "invokestatic", methodRef);
if (methodRef.isMagic()) {
if (emit_Magic(methodRef)) {
break;
}
}
if (methodRef.needsDynamicLink(method)) {
// cause interruptions
if (VM.VerifyUnint && !isInterruptible)
forbiddenBytecode("unresolved invokestatic ", methodRef, bcodes.index());
emit_unresolved_invokestatic(methodRef);
} else {
if (VM.VerifyUnint && !isInterruptible)
checkTarget(methodRef.peekResolvedMethod(), bcodes.index());
emit_resolved_invokestatic(methodRef);
}
if (xx != null) {
// XX:
xx.resolve(asm);
}
break;
}
case JBC_invokeinterface:
{
ForwardReference xx = null;
if (biStart == this.pendingIdx) {
// goto X
ForwardReference x = emit_pending_goto(0);
// pendingIdx: (target of pending goto in prologue)
this.pendingRef.resolve(asm);
CompiledMethod cm = CompiledMethods.getCompiledMethod(this.pendingCMID);
if (VM.VerifyAssertions)
VM._assert(cm.isSpecialForOSR());
// invoke_cmid
emit_invoke_compiledmethod(cm);
// goto XX
xx = emit_pending_goto(0);
// X:
x.resolve(asm);
}
MethodReference methodRef = bcodes.getMethodReference();
bcodes.alignInvokeInterface();
if (shouldPrint)
lister.noteBytecode(biStart, "invokeinterface", methodRef);
// causes runtime checks that can be interrupted
if (VM.VerifyUnint && !isInterruptible)
forbiddenBytecode("invokeinterface ", methodRef, bcodes.index());
emit_invokeinterface(methodRef);
if (xx != null) {
// XX:
xx.resolve(asm);
}
break;
}
case JBC_invokedynamic:
{
if (shouldPrint)
lister.noteBytecode(biStart, "unused");
if (VM.VerifyAssertions)
VM._assert(VM.NOT_REACHED);
break;
}
case JBC_new:
{
TypeReference typeRef = bcodes.getTypeReference();
if (shouldPrint)
lister.noteBytecode(biStart, "new", typeRef);
// that are interruptible
if (VM.VerifyUnint && isUninterruptible)
forbiddenBytecode("new ", typeRef, bcodes.index());
RVMType type = typeRef.peekType();
if (type != null && (type.isInitialized() || type.isInBootImage())) {
emit_resolved_new(type.asClass());
} else {
if (VM.VerifyUnint && isUnpreemptible)
forbiddenBytecode("unresolved new ", typeRef, bcodes.index());
emit_unresolved_new(typeRef);
}
break;
}
case JBC_newarray:
{
int atype = bcodes.getArrayElementType();
RVMArray array = RVMArray.getPrimitiveArrayType(atype);
if (VM.VerifyAssertions) {
boolean resolved = array.isResolved();
if (!resolved) {
String msg = "Found reference to unresolved array type " + array + " while compiling newarray bytecode in method " + method;
VM._assert(VM.NOT_REACHED, msg);
}
}
// that are interruptible
if (shouldPrint)
lister.noteBytecode(biStart, "newarray", array.getTypeRef());
if (VM.VerifyUnint && isUninterruptible)
forbiddenBytecode("newarray ", array, bcodes.index());
emit_resolved_newarray(array);
break;
}
case JBC_anewarray:
{
TypeReference elementTypeRef = bcodes.getTypeReference();
TypeReference arrayRef = elementTypeRef.getArrayTypeForElementType();
if (shouldPrint)
lister.noteBytecode(biStart, "anewarray new", arrayRef);
// that are interruptible
if (VM.VerifyUnint && !isInterruptible)
forbiddenBytecode("anewarray ", arrayRef, bcodes.index());
if (VM.VerifyAssertions && elementTypeRef.isUnboxedType()) {
String msg = "During compilation of " + method + " found an anewarray of " + elementTypeRef + "\n" + "You must use the 'create' function to create an array of this type";
VM._assert(VM.NOT_REACHED, msg);
}
RVMArray array = (RVMArray) arrayRef.peekType();
if (RVMType.JavaLangObjectType.isInstantiated()) {
// We need Object to be instantiated because we are going to mine it's TIB to get entries for array methods...
if (array == null || !(array.isInitialized() || array.isInBootImage())) {
RVMType elementType = elementTypeRef.peekType();
if (elementType != null && (elementType.isInitialized() || elementType.isInBootImage())) {
if (array == null) {
array = (RVMArray) arrayRef.resolve();
}
array.resolve();
array.instantiate();
}
}
}
if (array != null && (array.isInitialized() || array.isInBootImage())) {
emit_resolved_newarray(array);
} else {
emit_unresolved_newarray(arrayRef);
}
break;
}
case JBC_arraylength:
{
if (shouldPrint)
lister.noteBytecode(biStart, "arraylength");
emit_arraylength();
break;
}
case JBC_athrow:
{
if (shouldPrint)
lister.noteBytecode(biStart, "athrow");
if (VM.UseEpilogueYieldPoints)
emit_threadSwitchTest(RVMThread.EPILOGUE);
// that are interruptible
if (VM.VerifyUnint && isUninterruptible)
forbiddenBytecode("athrow", bcodes.index());
emit_athrow();
break;
}
case JBC_checkcast:
{
TypeReference typeRef = bcodes.getTypeReference();
if (shouldPrint)
lister.noteBytecode(biStart, "checkcast", typeRef);
RVMType type = typeRef.peekType();
if (type != null) {
if (type.isClassType()) {
RVMClass cType = type.asClass();
if (cType.isFinal()) {
emit_checkcast_final(cType);
break;
} else if (cType.isResolved()) {
if (cType.isInterface()) {
emit_checkcast_resolvedInterface(cType);
} else {
emit_checkcast_resolvedClass(cType);
}
break;
}
// else fall through to emit_checkcast
} else if (type.isArrayType()) {
RVMType elemType = type.asArray().getElementType();
if (elemType.isPrimitiveType() || elemType.isUnboxedType() || (elemType.isClassType() && elemType.asClass().isFinal())) {
emit_checkcast_final(type);
break;
}
// else fall through to emit_checkcast
} else {
// checkcast to a primitive. Must be a word type.
if (VM.VerifyAssertions)
VM._assert(type.getTypeRef().isUnboxedType());
break;
}
}
// that executes via interruptible code
if (VM.VerifyUnint && !isInterruptible)
forbiddenBytecode("checkcast ", typeRef, bcodes.index());
emit_checkcast(typeRef);
break;
}
case JBC_instanceof:
{
TypeReference typeRef = bcodes.getTypeReference();
if (shouldPrint)
lister.noteBytecode(biStart, "instanceof", typeRef);
RVMType type = typeRef.peekType();
if (type != null) {
if (type.isClassType()) {
RVMClass cType = type.asClass();
if (cType.isFinal()) {
emit_instanceof_final(type);
break;
} else if (cType.isResolved()) {
if (cType.isInterface()) {
emit_instanceof_resolvedInterface(cType);
} else {
emit_instanceof_resolvedClass(cType);
}
break;
}
} else if (type.isArrayType()) {
RVMType elemType = type.asArray().getElementType();
if (elemType.isPrimitiveType() || elemType.isUnboxedType() || (elemType.isClassType() && elemType.asClass().isFinal())) {
emit_instanceof_final(type);
break;
}
}
}
// for its implementation
if (VM.VerifyUnint && !isInterruptible)
forbiddenBytecode("instanceof ", typeRef, bcodes.index());
emit_instanceof(typeRef);
break;
}
case JBC_monitorenter:
{
if (shouldPrint)
lister.noteBytecode(biStart, "monitorenter");
// for its implementation
if (VM.VerifyUnint && isUninterruptible)
forbiddenBytecode("monitorenter", bcodes.index());
emit_monitorenter();
break;
}
case JBC_monitorexit:
{
if (shouldPrint)
lister.noteBytecode(biStart, "monitorexit");
// for its implementation
if (VM.VerifyUnint && isUninterruptible)
forbiddenBytecode("monitorexit", bcodes.index());
emit_monitorexit();
break;
}
case JBC_wide:
{
int widecode = bcodes.getWideOpcode();
int index = bcodes.getWideLocalNumber();
switch(widecode) {
case JBC_iload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "wide iload", index);
emit_iload(index);
break;
}
case JBC_lload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "wide lload", index);
emit_lload(index);
break;
}
case JBC_fload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "wide fload", index);
emit_fload(index);
break;
}
case JBC_dload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "wide dload", index);
emit_dload(index);
break;
}
case JBC_aload:
{
if (shouldPrint)
lister.noteBytecode(biStart, "wide aload", index);
emit_aload(index);
break;
}
case JBC_istore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "wide istore", index);
emit_istore(index);
break;
}
case JBC_lstore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "wide lstore", index);
emit_lstore(index);
break;
}
case JBC_fstore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "wide fstore", index);
emit_fstore(index);
break;
}
case JBC_dstore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "wide dstore", index);
emit_dstore(index);
break;
}
case JBC_astore:
{
if (shouldPrint)
lister.noteBytecode(biStart, "wide astore", index);
emit_astore(index);
break;
}
case JBC_iinc:
{
int val = bcodes.getWideIncrement();
if (shouldPrint)
lister.noteBytecode(biStart, "wide inc", index, val);
emit_iinc(index, val);
break;
}
case JBC_ret:
{
if (shouldPrint)
lister.noteBytecode(biStart, "wide ret", index);
emit_ret(index);
break;
}
default:
if (VM.VerifyAssertions)
VM._assert(VM.NOT_REACHED);
}
break;
}
case JBC_multianewarray:
{
TypeReference typeRef = bcodes.getTypeReference();
int dimensions = bcodes.getArrayDimension();
if (shouldPrint)
lister.noteBytecode(biStart, "multianewarray", typeRef);
// that are interruptible
if (VM.VerifyUnint && !isInterruptible)
forbiddenBytecode("multianewarray", bcodes.index());
emit_multianewarray(typeRef, dimensions);
break;
}
case JBC_ifnull:
{
int offset = bcodes.getBranchOffset();
int bTarget = biStart + offset;
if (shouldPrint)
lister.noteBranchBytecode(biStart, "ifnull", offset, bTarget);
if (offset <= 0)
emit_threadSwitchTest(RVMThread.BACKEDGE);
emit_ifnull(bTarget);
break;
}
case JBC_ifnonnull:
{
int offset = bcodes.getBranchOffset();
int bTarget = biStart + offset;
if (shouldPrint)
lister.noteBranchBytecode(biStart, "ifnonnull", offset, bTarget);
if (offset <= 0)
emit_threadSwitchTest(RVMThread.BACKEDGE);
emit_ifnonnull(bTarget);
break;
}
case JBC_goto_w:
{
int offset = bcodes.getWideBranchOffset();
int bTarget = biStart + offset;
if (shouldPrint)
lister.noteBranchBytecode(biStart, "goto_w", offset, bTarget);
if (offset <= 0)
emit_threadSwitchTest(RVMThread.BACKEDGE);
emit_goto(bTarget);
break;
}
case JBC_jsr_w:
{
int offset = bcodes.getWideBranchOffset();
int bTarget = biStart + offset;
if (shouldPrint)
lister.noteBranchBytecode(biStart, "jsr_w", offset, bTarget);
emit_jsr(bTarget);
break;
}
/* CAUTION: cannot use JBC_impdep1, which is 0xfffffffe (signed),
* this is not consistent with OPT compiler.
*/
case JBC_impdep1:
/* --- pseudo bytecode --- */
{
if (VM.BuildForAdaptiveSystem) {
int pseudo_opcode = bcodes.nextPseudoInstruction();
// pseudo instruction
switch(pseudo_opcode) {
case org.jikesrvm.osr.OSRConstants.PSEUDO_LoadIntConst:
{
int value = bcodes.readIntConst();
if (shouldPrint)
lister.noteBytecode(biStart, "pseudo_load_int", value);
Offset offset = Offset.fromIntSignExtend(Statics.findOrCreateIntSizeLiteral(value));
emit_ldc(offset, CP_INT);
break;
}
case org.jikesrvm.osr.OSRConstants.PSEUDO_LoadLongConst:
{
// fetch8BytesUnsigned();
long value = bcodes.readLongConst();
if (shouldPrint)
lister.noteBytecode(biStart, "pseudo_load_long", value);
Offset offset = Offset.fromIntSignExtend(Statics.findOrCreateLongSizeLiteral(value));
emit_ldc2(offset, CP_LONG);
break;
}
case org.jikesrvm.osr.OSRConstants.PSEUDO_LoadWordConst:
{
if (VM.BuildFor32Addr) {
int value = bcodes.readIntConst();
if (shouldPrint)
lister.noteBytecode(biStart, "pseudo_load_word " + Integer.toHexString(value));
Offset offset = Offset.fromIntSignExtend(Statics.findOrCreateIntSizeLiteral(value));
emit_ldc(offset, CP_INT);
} else {
long value = bcodes.readLongConst();
if (shouldPrint)
lister.noteBytecode(biStart, "pseudo_load_word " + Long.toHexString(value));
Offset offset = Offset.fromIntSignExtend(Statics.findOrCreateLongSizeLiteral(value));
emit_ldc2(offset, CP_LONG);
// dirty hack
emit_l2i();
}
break;
}
case org.jikesrvm.osr.OSRConstants.PSEUDO_LoadFloatConst:
{
// fetch4BytesSigned();
int ibits = bcodes.readIntConst();
if (shouldPrint)
lister.noteBytecode(biStart, "pseudo_load_float", ibits);
Offset offset = Offset.fromIntSignExtend(Statics.findOrCreateIntSizeLiteral(ibits));
emit_ldc(offset, CP_FLOAT);
break;
}
case org.jikesrvm.osr.OSRConstants.PSEUDO_LoadDoubleConst:
{
// fetch8BytesUnsigned();
long lbits = bcodes.readLongConst();
if (shouldPrint)
lister.noteBytecode(biStart, "pseudo_load_double", lbits);
Offset offset = Offset.fromIntSignExtend(Statics.findOrCreateLongSizeLiteral(lbits));
emit_ldc2(offset, CP_DOUBLE);
break;
}
case org.jikesrvm.osr.OSRConstants.PSEUDO_LoadRetAddrConst:
{
// fetch4BytesSigned();
int bcIndex = bcodes.readIntConst();
if (shouldPrint)
lister.noteBytecode(biStart, "pseudo_load_retaddr", bcIndex);
// for bytecode to get future bytecode's address
// we register it and patch it later.
emit_loadretaddrconst(bcIndex);
break;
}
case org.jikesrvm.osr.OSRConstants.PSEUDO_InvokeStatic:
{
// fetch4BytesSigned();
int targetidx = bcodes.readIntConst();
RVMMethod methodRef = InvokeStatic.targetMethod(targetidx);
if (shouldPrint)
lister.noteBytecode(biStart, "pseudo_invokestatic", methodRef);
emit_resolved_invokestatic(methodRef.getMemberRef().asMethodReference());
break;
}
/*
case org.jikesrvm.osr.OSRConstants.PSEUDO_CheckCast: {
if (shouldPrint) lister.noteBytecode(biStart, "pseudo_checkcast");
// fetch 4 byte type id
int tid = bcodes.readIntConst(); // fetch4BytesSigned();
// do nothing now
break;
}
*/
case org.jikesrvm.osr.OSRConstants.PSEUDO_InvokeCompiledMethod:
{
// fetch4BytesSigned(); // callee's cmid
int cmid = bcodes.readIntConst();
int origIdx = // fetch4BytesSigned(); // orginal bytecode index of this call (for build gc map)
bcodes.readIntConst();
if (shouldPrint)
lister.noteBytecode(biStart, "pseudo_invoke_cmid", cmid);
this.pendingCMID = cmid;
this.pendingIdx = origIdx + this.method.getOsrPrologueLength();
this.pendingRef = emit_pending_goto(this.pendingIdx);
/*
CompiledMethod cm = CompiledMethods.getCompiledMethod(cmid);
if (VM.VerifyAssertions) VM._assert(cm.isSpecialForOSR());
emit_invoke_compiledmethod(cm);
*/
break;
}
case org.jikesrvm.osr.OSRConstants.PSEUDO_ParamInitEnd:
{
if (shouldPrint)
lister.noteBytecode(biStart, "pseudo_paraminitend");
// now we can inserted stack overflow check,
emit_deferred_prologue();
break;
}
default:
if (VM.TraceOnStackReplacement) {
VM.sysWriteln("Unexpected PSEUDO code " + Services.intAsHexString(pseudo_opcode));
}
if (VM.VerifyAssertions)
VM._assert(VM.NOT_REACHED);
break;
}
} else {
if (VM.VerifyAssertions)
VM._assert(VM.NOT_REACHED);
}
break;
}
default:
VM.sysWriteln("BaselineCompilerImpl: unexpected bytecode: " + Services.getHexString(code, false));
if (VM.VerifyAssertions)
VM._assert(VM.NOT_REACHED);
}
ending_bytecode();
}
bytecodeMap[bcodes.length()] = asm.getMachineCodeIndex();
ending_method();
return new MachineCode(getAssembler().getMachineCodes(), bytecodeMap);
}
Also used :
FieldReference(org.jikesrvm.classloader.FieldReference)
RVMType(org.jikesrvm.classloader.RVMType)
CompiledMethod(org.jikesrvm.compilers.common.CompiledMethod)
Offset(org.vmmagic.unboxed.Offset)
RVMClass(org.jikesrvm.classloader.RVMClass)
ForwardReference(org.jikesrvm.compilers.common.assembler.ForwardReference)
RVMMethod(org.jikesrvm.classloader.RVMMethod)
AbstractLister(org.jikesrvm.compilers.common.assembler.AbstractLister)
RVMArray(org.jikesrvm.classloader.RVMArray)
AbstractAssembler(org.jikesrvm.compilers.common.assembler.AbstractAssembler)
MethodReference(org.jikesrvm.classloader.MethodReference)
TypeReference(org.jikesrvm.classloader.TypeReference)
Example 30 with Offset
use of org.vmmagic.unboxed.Offset in project JikesRVM by JikesRVM.
the class ArchBridgeDataExtractor method setupArchitectureSpecificDynamicBridgeMapping.
@Override
protected final void setupArchitectureSpecificDynamicBridgeMapping(Address fp) {
Address ip = Magic.getReturnAddressUnchecked(fp);
fp = Magic.getCallerFramePointer(fp);
int callingCompiledMethodId = Magic.getCompiledMethodID(fp);
CompiledMethod callingCompiledMethod = CompiledMethods.getCompiledMethod(callingCompiledMethodId);
Offset callingInstructionOffset = callingCompiledMethod.getInstructionOffset(ip);
updateWithInfoForDynamicLink(callingCompiledMethod, callingInstructionOffset);
if (dynamicLink.isInvokedWithImplicitThisParameter()) {
// this + return addr
bridgeSpilledParamInitialOffset = 2 * WORDSIZE;
} else {
// return addr
bridgeSpilledParamInitialOffset = WORDSIZE;
}
bridgeSpilledParamInitialOffset += (bridgeTarget.getParameterWords() << LG_WORDSIZE);
bridgeSpilledParameterMappingRequired = callingCompiledMethod.getCompilerType() != CompiledMethod.BASELINE;
}
Also used :
Address(org.vmmagic.unboxed.Address)
CompiledMethod(org.jikesrvm.compilers.common.CompiledMethod)
Offset(org.vmmagic.unboxed.Offset)
Aggregations
Offset (org.vmmagic.unboxed.Offset)215
Address (org.vmmagic.unboxed.Address)48
Inline (org.vmmagic.pragma.Inline)38
Entrypoint (org.vmmagic.pragma.Entrypoint)32
ObjectReference (org.vmmagic.unboxed.ObjectReference)21
CompiledMethod (org.jikesrvm.compilers.common.CompiledMethod)20
TypeReference (org.jikesrvm.classloader.TypeReference)17
RVMField (org.jikesrvm.classloader.RVMField)14
ForwardReference (org.jikesrvm.compilers.common.assembler.ForwardReference)13
OptCompiledMethod (org.jikesrvm.compilers.opt.runtimesupport.OptCompiledMethod)13
NoInline (org.vmmagic.pragma.NoInline)13
RVMMethod (org.jikesrvm.classloader.RVMMethod)11
RegisterOperand (org.jikesrvm.compilers.opt.ir.operand.RegisterOperand)10
Word (org.vmmagic.unboxed.Word)10
Instruction (org.jikesrvm.compilers.opt.ir.Instruction)9
IntConstantOperand (org.jikesrvm.compilers.opt.ir.operand.IntConstantOperand)9
RVMType (org.jikesrvm.classloader.RVMType)8
Register (org.jikesrvm.compilers.opt.ir.Register)8
RVMClass (org.jikesrvm.classloader.RVMClass)7
Operand (org.jikesrvm.compilers.opt.ir.operand.Operand)7
