本文整理汇总了C++中methodHandle::code_base方法的典型用法代码示例。如果您正苦于以下问题:C++ methodHandle::code_base方法的具体用法?C++ methodHandle::code_base怎么用?C++ methodHandle::code_base使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类methodHandle
的用法示例。
在下文中一共展示了methodHandle::code_base方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: trace
// 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);
}
示例2: trace
// Used for methodOop::print_codes(). The input bcp comes from
// BytecodeStream, which will skip wide bytecodes.
void trace(methodHandle method, address bcp, outputStream* st) {
_current_method = method();
ResourceMark rm;
Bytecodes::Code code = Bytecodes::code_at(bcp);
// Set is_wide
_is_wide = (code == Bytecodes::_wide);
if (is_wide()) {
code = Bytecodes::code_at(bcp+1);
}
int bci = bcp - method->code_base();
// Print bytecode index and name
if (is_wide()) {
st->print("%d %s_w", bci, Bytecodes::name(code));
} else {
st->print("%d %s", bci, Bytecodes::name(code));
}
_next_pc = is_wide() ? bcp+2 : bcp+1;
print_attributes(code, bci, st);
bytecode_epilog(bci, st);
}
示例3: trace
// 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;
}