// This method is called while executing the raw bytecodes, so none of
// the adjustments that BytecodeStream performs applies.
void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2) {
MutexLocker ml(BytecodeTrace_lock);
ResourceMark rm;
if (_current_method != method()) {
// Note 1: This code will not work as expected with true MT/MP.
// Need an explicit lock or a different solution.
tty->cr();
tty->print("[%d] ", (int) Thread::current()->osthread()->thread_id());
method->print_name(tty);
tty->cr();
_current_method = method();
}
Bytecodes::Code code;
if (is_wide()) {
// bcp wasn't advanced if previous bytecode was _wide.
code = Bytecodes::cast(*(bcp+1));
} else {
code = Bytecodes::cast(*bcp);
}
int bci = bcp - method->code_base();
tty->print("[%d] ", (int) Thread::current()->osthread()->thread_id());
if (Verbose) {
tty->print("%8d %4d " INTPTR_FORMAT " " INTPTR_FORMAT " %s",
BytecodeCounter::counter_value(), bci, tos, tos2, Bytecodes::name(code));
} else {
tty->print("%8d %4d %s",
BytecodeCounter::counter_value(), bci, Bytecodes::name(code));
}
_next_pc = is_wide() ? bcp+2 : bcp+1;
print_attributes(code, bci);
// Set is_wide for the next one, since the caller of this doesn't skip
// the next bytecode.
_is_wide = (code == Bytecodes::_wide);
}
// This method is called while executing the raw bytecodes, so none of
// the adjustments that BytecodeStream performs applies.
void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st) {
ResourceMark rm;
if (_current_method != method()) {
// Note 1: This code will not work as expected with true MT/MP.
// Need an explicit lock or a different solution.
// It is possible for this block to be skipped, if a garbage
// _current_method pointer happens to have the same bits as
// the incoming method. We could lose a line of trace output.
// This is acceptable in a debug-only feature.
st->cr();
st->print("[%ld] ", (long) Thread::current()->osthread()->thread_id());
method->print_name(st);
st->cr();
_current_method = method();
}
Bytecodes::Code code;
if (is_wide()) {
// bcp wasn't advanced if previous bytecode was _wide.
code = Bytecodes::code_at(method(), bcp+1);
} else {
code = Bytecodes::code_at(method(), bcp);
}
_code = code;
int bci = bcp - method->code_base();
st->print("[%ld] ", (long) Thread::current()->osthread()->thread_id());
if (Verbose) {
st->print("%8d %4d " INTPTR_FORMAT " " INTPTR_FORMAT " %s",
BytecodeCounter::counter_value(), bci, tos, tos2, Bytecodes::name(code));
} else {
st->print("%8d %4d %s",
BytecodeCounter::counter_value(), bci, Bytecodes::name(code));
}
_next_pc = is_wide() ? bcp+2 : bcp+1;
print_attributes(bci);
// Set is_wide for the next one, since the caller of this doesn't skip
// the next bytecode.
_is_wide = (code == Bytecodes::_wide);
_code = Bytecodes::_illegal;
}
