void CodeBlobCollector::collect() {
assert_locked_or_safepoint(CodeCache_lock);
assert(_global_code_blobs == NULL, "checking");
// create the global list
_global_code_blobs = new (ResourceObj::C_HEAP) GrowableArray<JvmtiCodeBlobDesc*>(50,true);
// iterate over the stub code descriptors and put them in the list first.
int index = 0;
StubCodeDesc* desc;
while ((desc = StubCodeDesc::desc_for_index(++index)) != NULL) {
_global_code_blobs->append(new JvmtiCodeBlobDesc(desc->name(), desc->begin(), desc->end()));
}
// next iterate over all the non-nmethod code blobs and add them to
// the list - as noted above this will filter out duplicates and
// enclosing blobs.
Unimplemented();
//CodeCache::blobs_do(do_blob);
// make the global list the instance list so that it can be used
// for other iterations.
_code_blobs = _global_code_blobs;
_global_code_blobs = NULL;
}
StubCodeGenerator::~StubCodeGenerator() {
if (PrintStubCode || _print_code) {
CodeBuffer* cbuf = _masm->code();
CodeBlob* blob = CodeCache::find_blob_unsafe(cbuf->insts()->start());
if (blob != NULL) {
blob->set_strings(cbuf->strings());
}
bool saw_first = false;
StubCodeDesc* toprint[1000];
int toprint_len = 0;
for (StubCodeDesc* cdesc = _last_stub; cdesc != NULL; cdesc = cdesc->_next) {
toprint[toprint_len++] = cdesc;
if (cdesc == _first_stub) { saw_first = true; break; }
}
assert(saw_first, "must get both first & last");
// Print in reverse order:
qsort(toprint, toprint_len, sizeof(toprint[0]), compare_cdesc);
for (int i = 0; i < toprint_len; i++) {
StubCodeDesc* cdesc = toprint[i];
cdesc->print();
tty->cr();
Disassembler::decode(cdesc->begin(), cdesc->end());
tty->cr();
}
}
}
void CodeBlobCollector::collect() {
assert_locked_or_safepoint(CodeCache_lock);
assert(_global_code_blobs == NULL, "checking");
// create the global list
_global_code_blobs = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<JvmtiCodeBlobDesc*>(50,true);
// iterate over the stub code descriptors and put them in the list first.
for (StubCodeDesc* desc = StubCodeDesc::first(); desc != NULL; desc = StubCodeDesc::next(desc)) {
_global_code_blobs->append(new JvmtiCodeBlobDesc(desc->name(), desc->begin(), desc->end()));
}
// Vtable stubs are not described with StubCodeDesc,
// process them separately
VtableStubs::vtable_stub_do(do_vtable_stub);
// next iterate over all the non-nmethod code blobs and add them to
// the list - as noted above this will filter out duplicates and
// enclosing blobs.
CodeCache::blobs_do(do_blob);
// make the global list the instance list so that it can be used
// for other iterations.
_code_blobs = _global_code_blobs;
_global_code_blobs = NULL;
}
address Relocation::index_to_runtime_address(intptr_t index) {
if (index == 0) return NULL;
if (is_index(index)) {
StubCodeDesc* p = StubCodeDesc::desc_for_index(index);
assert(p != NULL, "there must be a stub for this index");
return p->begin();
} else {
return (address) index;
}
}
intptr_t Relocation::runtime_address_to_index(address runtime_address) {
assert(!is_index((intptr_t)runtime_address), "must not look like an index");
if (runtime_address == NULL) return 0;
StubCodeDesc* p = StubCodeDesc::desc_for(runtime_address);
if (p != NULL && p->begin() == runtime_address) {
assert(is_index(p->index()), "there must not be too many stubs");
return (intptr_t)p->index();
} else {
warning("random unregistered address in relocInfo: " INTPTR_FORMAT, runtime_address);
return (intptr_t) runtime_address;
}
}
void i486_env::print_label(intptr_t value) {
address adr = (address) value;
if (StubRoutines::contains(adr)) {
StubCodeDesc* desc = StubCodeDesc::desc_for(adr);
const char * desc_name = "unknown stub";
if (desc != NULL) {
desc_name = desc->name();
}
output->print("Stub::%s", desc_name);
if (WizardMode) output->print(" " INTPTR_FORMAT, value);
} else {
output->print(INTPTR_FORMAT, value);
}
}
void sparc_env::print_address(address adr, outputStream* st) {
if (StubRoutines::contains(adr)) {
StubCodeDesc *desc = StubCodeDesc::desc_for(adr);
if (desc == NULL)
desc = StubCodeDesc::desc_for(adr + frame::pc_return_offset);
if (desc == NULL)
st->print("Unknown stub at " INTPTR_FORMAT, adr);
else {
st->print("Stub::%s", desc->name());
if (desc->begin() != adr)
st->print("%+d 0x%p",adr - desc->begin(), adr);
else if (WizardMode) st->print(" " INTPTR_FORMAT, adr);
}
} else {
BarrierSet* bs = Universe::heap()->barrier_set();
if (bs->kind() == BarrierSet::CardTableModRef &&
adr == (address)((CardTableModRefBS*)(bs))->byte_map_base) {
st->print("word_map_base");
if (WizardMode) st->print(" " INTPTR_FORMAT, (intptr_t)adr);
} else {
st->print(INTPTR_FORMAT, (intptr_t)adr);
}
}
}
// --- oops_arguments_do -----------------------------------------------------
// oops-do just for arguments when args are passed but the caller is
// not yet claiming responsibility for them (e.g., mid-call resolution).
void CodeBlob::oops_arguments_do(frame fr, OopClosure* f) const {
// Native calls have all their args handlized.
if( _type == native ) return;
// C1 and C2 can call directly into the C++ runtime without a stub but these
// calls all do not need their arguments GC'd (i.e., by the time a GC point
// is reached all arguments get handlized).
if( _type == c1 || _type == c2 ) return;
guarantee( _type == runtime_stubs, "we only get here for runtime stubs" );
StubCodeDesc *stub = StubCodeDesc::desc_for(fr.pc());
Runtime1::StubID id = Runtime1::contains(fr.pc());
// In a resolve_and_patch_call stub, we have to parse the outgoing signature
// to find any argument oops. The call site itself doesn't cover the
// outgoing oops, and there is no target method yet.
if( fr.pc() == CodeCache::_caller_must_gc_args_0 ||
fr.pc() == CodeCache::_caller_must_gc_args_1 ) {
assert0( (stub && !strcmp(stub->name(), "resolve_and_patch_handler")) ||
id == Runtime1::frequency_counter_overflow_wrapper_id);
oops_arguments_do_impl(fr,f);
return;
}
// Assert sanity for stub-generator stubs
if( stub ) {
if( !strcmp(stub->name(), "sba_escape_handler") ) return; // no unhandled args from a failed STA/SVB
if( !strcmp(stub->name(), "new_handler") ) return; // no unhandled args from a new allocation request
// If we are at an inline-cache we need to construct an official j.l.NPE
// object. However, no oops are in callee-save registers and the caller's
// args are dead because the call isn't happening. (If we are not at an
// inline-cache then we just reset the PC to the proper handler and do not
// do any object construction).
if( !strcmp(stub->name(), "handler_for_null_ptr_exception") ) return;
// If we are throwing, then the callers args are long long gone.
if( !strcmp(stub->name(), "forward_exception") ) return;
// For safepoints, we generously allow any register to hold oops.
if( !strcmp(stub->name(), "safepoint_handler") ) return;
// The args for a blocking lock will be handlerized in the VM
if( !strcmp(stub->name(), "blocking_lock_stub") ) return;
// The args for registering a finalized object will be handlerized in the VM
if( !strcmp(stub->name(), "register_finalizer") ) return;
// The args for a blocking lock will be handlerized in the VM
// There are no args saved in registers across an uncommon trap
if( !strcmp(stub->name(), "deoptimize") ) return;
if( !strcmp(stub->name(), "uncommon_trap") ) return;
ShouldNotReachHere();
}
// Not a StubGenerator stub; check for sane C1 stubs
if (id != -1) {
switch(id) {
case Runtime1::access_field_patching_id: return;
case Runtime1::load_klass_patching_id: return;
case Runtime1::monitorenter_id: return;
case Runtime1::new_array_id: return;
case Runtime1::new_instance_id: return;
case Runtime1::new_multi_array_id: return;
case Runtime1::register_finalizer_id: return;
case Runtime1::throw_array_store_exception_id: return;
case Runtime1::throw_class_cast_exception_id: return;
case Runtime1::throw_div0_exception_id: return;
case Runtime1::throw_index_exception_id: return;
case Runtime1::throw_null_pointer_exception_id: return;
case Runtime1::throw_range_check_failed_id: return;
default: tty->print_cr("Unimplemented Runtime1 stub ID %s (%d)", Runtime1::name_for(id), id); Unimplemented();
}
}
// Probably most other stubs are simple returns, but a few need special handling.
ShouldNotReachHere();
}
static void find(intptr_t x, bool print_pc) {
address addr = (address)x;
CodeBlob* b = CodeCache::find_blob_unsafe(addr);
if (b != NULL) {
if (b->is_buffer_blob()) {
// the interpreter is generated into a buffer blob
InterpreterCodelet* i = Interpreter::codelet_containing(addr);
if (i != NULL) {
i->print();
return;
}
if (Interpreter::contains(addr)) {
tty->print_cr(INTPTR_FORMAT " is pointing into interpreter code (not bytecode specific)", addr);
return;
}
//
if (AdapterHandlerLibrary::contains(b)) {
AdapterHandlerLibrary::print_handler(b);
}
// the stubroutines are generated into a buffer blob
StubCodeDesc* d = StubCodeDesc::desc_for(addr);
if (d != NULL) {
d->print();
if (print_pc) tty->cr();
return;
}
if (StubRoutines::contains(addr)) {
tty->print_cr(INTPTR_FORMAT " is pointing to an (unnamed) stub routine", addr);
return;
}
// the InlineCacheBuffer is using stubs generated into a buffer blob
if (InlineCacheBuffer::contains(addr)) {
tty->print_cr(INTPTR_FORMAT " is pointing into InlineCacheBuffer", addr);
return;
}
VtableStub* v = VtableStubs::stub_containing(addr);
if (v != NULL) {
v->print();
return;
}
}
if (print_pc && b->is_nmethod()) {
ResourceMark rm;
tty->print("%#p: Compiled ", addr);
((nmethod*)b)->method()->print_value_on(tty);
tty->print(" = (CodeBlob*)" INTPTR_FORMAT, b);
tty->cr();
return;
}
if ( b->is_nmethod()) {
if (b->is_zombie()) {
tty->print_cr(INTPTR_FORMAT " is zombie nmethod", b);
} else if (b->is_not_entrant()) {
tty->print_cr(INTPTR_FORMAT " is non-entrant nmethod", b);
}
}
b->print();
return;
}
if (Universe::heap()->is_in(addr)) {
HeapWord* p = Universe::heap()->block_start(addr);
bool print = false;
// If we couldn't find it it just may mean that heap wasn't parseable
// See if we were just given an oop directly
if (p != NULL && Universe::heap()->block_is_obj(p)) {
print = true;
} else if (p == NULL && ((oopDesc*)addr)->is_oop()) {
p = (HeapWord*) addr;
print = true;
}
if (print) {
oop(p)->print();
if (p != (HeapWord*)x && oop(p)->is_constMethod() &&
constMethodOop(p)->contains(addr)) {
Thread *thread = Thread::current();
HandleMark hm(thread);
methodHandle mh (thread, constMethodOop(p)->method());
if (!mh->is_native()) {
tty->print_cr("bci_from(%p) = %d; print_codes():",
addr, mh->bci_from(address(x)));
mh->print_codes();
}
}
return;
}
} else if (Universe::heap()->is_in_reserved(addr)) {
tty->print_cr(INTPTR_FORMAT " is an unallocated location in the heap", addr);
return;
}
if (JNIHandles::is_global_handle((jobject) addr)) {
tty->print_cr(INTPTR_FORMAT " is a global jni handle", addr);
return;
}
if (JNIHandles::is_weak_global_handle((jobject) addr)) {
tty->print_cr(INTPTR_FORMAT " is a weak global jni handle", addr);
return;
}
if (JNIHandleBlock::any_contains((jobject) addr)) {
tty->print_cr(INTPTR_FORMAT " is a local jni handle", addr);
return;
}
for(JavaThread *thread = Threads::first(); thread; thread = thread->next()) {
// Check for privilege stack
if (thread->privileged_stack_top() != NULL && thread->privileged_stack_top()->contains(addr)) {
tty->print_cr(INTPTR_FORMAT " is pointing into the privilege stack for thread: " INTPTR_FORMAT, addr, thread);
return;
}
// If the addr is a java thread print information about that.
if (addr == (address)thread) {
thread->print();
return;
}
}
// Try an OS specific find
if (os::find(addr)) {
return;
}
if (print_pc) {
tty->print_cr(INTPTR_FORMAT ": probably in C++ code; check debugger", addr);
Disassembler::decode(same_page(addr-40,addr),same_page(addr+40,addr));
return;
}
tty->print_cr(INTPTR_FORMAT " is pointing to unknown location", addr);
}
const char* StubCodeDesc::name_for(address pc) {
StubCodeDesc* p = desc_for(pc);
return p == NULL ? NULL : p->name();
}
StubCodeDesc* StubCodeDesc::desc_for_index(int index) {
StubCodeDesc* p = _list;
while (p != NULL && p->index() != index) p = p->_next;
return p;
}
StubCodeDesc* StubCodeDesc::desc_for(address pc) {
StubCodeDesc* p = _list;
while (p != NULL && !p->contains(pc)) p = p->_next;
// p == NULL || p->contains(pc)
return p;
}
void VMError::report(outputStream* st, bool _verbose) {
# define BEGIN if (_current_step == 0) { _current_step = __LINE__;
# define STEP(s) } if (_current_step < __LINE__) { _current_step = __LINE__; _current_step_info = s;
# define END }
// don't allocate large buffer on stack
static char buf[O_BUFLEN];
BEGIN
STEP("printing fatal error message")
st->print_cr("#");
if (should_report_bug(_id)) {
st->print_cr("# A fatal error has been detected by the Java Runtime Environment:");
} else {
st->print_cr("# There is insufficient memory for the Java "
"Runtime Environment to continue.");
}
#ifndef PRODUCT
// Error handler self tests
// test secondary error handling. Test it twice, to test that resetting
// error handler after a secondary crash works.
STEP("test secondary crash 1")
if (_verbose && TestCrashInErrorHandler != 0) {
st->print_cr("Will crash now (TestCrashInErrorHandler=" UINTX_FORMAT ")...",
TestCrashInErrorHandler);
controlled_crash(TestCrashInErrorHandler);
}
STEP("test secondary crash 2")
if (_verbose && TestCrashInErrorHandler != 0) {
st->print_cr("Will crash now (TestCrashInErrorHandler=" UINTX_FORMAT ")...",
TestCrashInErrorHandler);
controlled_crash(TestCrashInErrorHandler);
}
STEP("test safefetch in error handler")
// test whether it is safe to use SafeFetch32 in Crash Handler. Test twice
// to test that resetting the signal handler works correctly.
if (_verbose && TestSafeFetchInErrorHandler) {
st->print_cr("Will test SafeFetch...");
if (CanUseSafeFetch32()) {
int* const invalid_pointer = (int*) get_segfault_address();
const int x = 0x76543210;
int i1 = SafeFetch32(invalid_pointer, x);
int i2 = SafeFetch32(invalid_pointer, x);
if (i1 == x && i2 == x) {
st->print_cr("SafeFetch OK."); // Correctly deflected and returned default pattern
} else {
st->print_cr("??");
}
} else {
st->print_cr("not possible; skipped.");
}
}
#endif // PRODUCT
STEP("printing type of error")
switch(_id) {
case OOM_MALLOC_ERROR:
case OOM_MMAP_ERROR:
if (_size) {
st->print("# Native memory allocation ");
st->print((_id == (int)OOM_MALLOC_ERROR) ? "(malloc) failed to allocate " :
"(mmap) failed to map ");
jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size);
st->print("%s", buf);
st->print(" bytes");
if (strlen(_detail_msg) > 0) {
st->print(" for ");
st->print("%s", _detail_msg);
}
st->cr();
} else {
if (strlen(_detail_msg) > 0) {
st->print("# ");
st->print_cr("%s", _detail_msg);
}
}
// In error file give some solutions
if (_verbose) {
print_oom_reasons(st);
} else {
return; // that's enough for the screen
}
break;
case INTERNAL_ERROR:
default:
break;
}
STEP("printing exception/signal name")
st->print_cr("#");
st->print("# ");
// Is it an OS exception/signal?
if (os::exception_name(_id, buf, sizeof(buf))) {
st->print("%s", buf);
st->print(" (0x%x)", _id); // signal number
st->print(" at pc=" PTR_FORMAT, p2i(_pc));
} else {
if (should_report_bug(_id)) {
st->print("Internal Error");
} else {
st->print("Out of Memory Error");
}
if (_filename != NULL && _lineno > 0) {
#ifdef PRODUCT
// In product mode chop off pathname?
char separator = os::file_separator()[0];
const char *p = strrchr(_filename, separator);
const char *file = p ? p+1 : _filename;
#else
const char *file = _filename;
#endif
st->print(" (%s:%d)", file, _lineno);
} else {
st->print(" (0x%x)", _id);
}
}
STEP("printing current thread and pid")
// process id, thread id
st->print(", pid=%d", os::current_process_id());
st->print(", tid=" UINTX_FORMAT, os::current_thread_id());
st->cr();
STEP("printing error message")
if (should_report_bug(_id)) { // already printed the message.
// error message
if (strlen(_detail_msg) > 0) {
st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg);
} else if (_message) {
st->print_cr("# Error: %s", _message);
}
}
STEP("printing Java version string")
report_vm_version(st, buf, sizeof(buf));
STEP("printing problematic frame")
// Print current frame if we have a context (i.e. it's a crash)
if (_context) {
st->print_cr("# Problematic frame:");
st->print("# ");
frame fr = os::fetch_frame_from_context(_context);
fr.print_on_error(st, buf, sizeof(buf));
st->cr();
st->print_cr("#");
}
STEP("printing core file information")
st->print("# ");
if (CreateCoredumpOnCrash) {
if (coredump_status) {
st->print("Core dump will be written. Default location: %s", coredump_message);
} else {
st->print("No core dump will be written. %s", coredump_message);
}
} else {
st->print("CreateCoredumpOnCrash turned off, no core file dumped");
}
st->cr();
st->print_cr("#");
STEP("printing bug submit message")
if (should_report_bug(_id) && _verbose) {
print_bug_submit_message(st, _thread);
}
STEP("printing summary")
if (_verbose) {
st->cr();
st->print_cr("--------------- S U M M A R Y ------------");
st->cr();
}
STEP("printing VM option summary")
if (_verbose) {
// VM options
Arguments::print_summary_on(st);
st->cr();
}
STEP("printing summary machine and OS info")
if (_verbose) {
os::print_summary_info(st, buf, sizeof(buf));
}
STEP("printing date and time")
if (_verbose) {
os::print_date_and_time(st, buf, sizeof(buf));
}
STEP("printing thread")
if (_verbose) {
st->cr();
st->print_cr("--------------- T H R E A D ---------------");
st->cr();
}
STEP("printing current thread")
// current thread
if (_verbose) {
if (_thread) {
st->print("Current thread (" PTR_FORMAT "): ", p2i(_thread));
_thread->print_on_error(st, buf, sizeof(buf));
st->cr();
} else {
st->print_cr("Current thread is native thread");
}
st->cr();
}
STEP("printing current compile task")
if (_verbose && _thread && _thread->is_Compiler_thread()) {
CompilerThread* t = (CompilerThread*)_thread;
if (t->task()) {
st->cr();
st->print_cr("Current CompileTask:");
t->task()->print_line_on_error(st, buf, sizeof(buf));
st->cr();
}
}
STEP("printing stack bounds")
if (_verbose) {
st->print("Stack: ");
address stack_top;
size_t stack_size;
if (_thread) {
stack_top = _thread->stack_base();
stack_size = _thread->stack_size();
} else {
stack_top = os::current_stack_base();
stack_size = os::current_stack_size();
}
address stack_bottom = stack_top - stack_size;
st->print("[" PTR_FORMAT "," PTR_FORMAT "]", p2i(stack_bottom), p2i(stack_top));
frame fr = _context ? os::fetch_frame_from_context(_context)
: os::current_frame();
if (fr.sp()) {
st->print(", sp=" PTR_FORMAT, p2i(fr.sp()));
size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024);
st->print(", free space=" SIZE_FORMAT "k", free_stack_size);
}
st->cr();
}
STEP("printing native stack")
if (_verbose) {
if (os::platform_print_native_stack(st, _context, buf, sizeof(buf))) {
// We have printed the native stack in platform-specific code
// Windows/x64 needs special handling.
} else {
frame fr = _context ? os::fetch_frame_from_context(_context)
: os::current_frame();
print_native_stack(st, fr, _thread, buf, sizeof(buf));
}
}
STEP("printing Java stack")
if (_verbose && _thread && _thread->is_Java_thread()) {
print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf));
}
STEP("printing target Java thread stack")
// printing Java thread stack trace if it is involved in GC crash
if (_verbose && _thread && (_thread->is_Named_thread())) {
JavaThread* jt = ((NamedThread *)_thread)->processed_thread();
if (jt != NULL) {
st->print_cr("JavaThread " PTR_FORMAT " (nid = %d) was being processed", p2i(jt), jt->osthread()->thread_id());
print_stack_trace(st, jt, buf, sizeof(buf), true);
}
}
STEP("printing siginfo")
// signal no, signal code, address that caused the fault
if (_verbose && _siginfo) {
st->cr();
os::print_siginfo(st, _siginfo);
st->cr();
}
STEP("CDS archive access warning")
// Print an explicit hint if we crashed on access to the CDS archive.
if (_verbose && _siginfo) {
check_failing_cds_access(st, _siginfo);
st->cr();
}
STEP("printing register info")
// decode register contents if possible
if (_verbose && _context && Universe::is_fully_initialized()) {
os::print_register_info(st, _context);
st->cr();
}
STEP("printing registers, top of stack, instructions near pc")
// registers, top of stack, instructions near pc
if (_verbose && _context) {
os::print_context(st, _context);
st->cr();
}
STEP("printing code blob if possible")
if (_verbose && _context) {
CodeBlob* cb = CodeCache::find_blob(_pc);
if (cb != NULL) {
if (Interpreter::contains(_pc)) {
// The interpreter CodeBlob is very large so try to print the codelet instead.
InterpreterCodelet* codelet = Interpreter::codelet_containing(_pc);
if (codelet != NULL) {
codelet->print_on(st);
Disassembler::decode(codelet->code_begin(), codelet->code_end(), st);
}
} else {
StubCodeDesc* desc = StubCodeDesc::desc_for(_pc);
if (desc != NULL) {
desc->print_on(st);
Disassembler::decode(desc->begin(), desc->end(), st);
} else {
Disassembler::decode(cb, st);
st->cr();
}
}
}
}
STEP("printing VM operation")
if (_verbose && _thread && _thread->is_VM_thread()) {
VMThread* t = (VMThread*)_thread;
VM_Operation* op = t->vm_operation();
if (op) {
op->print_on_error(st);
st->cr();
st->cr();
}
}
STEP("printing process")
if (_verbose) {
st->cr();
st->print_cr("--------------- P R O C E S S ---------------");
st->cr();
}
STEP("printing all threads")
// all threads
if (_verbose && _thread) {
Threads::print_on_error(st, _thread, buf, sizeof(buf));
st->cr();
}
STEP("printing VM state")
if (_verbose) {
// Safepoint state
st->print("VM state:");
if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing");
else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint");
else st->print("not at safepoint");
// Also see if error occurred during initialization or shutdown
if (!Universe::is_fully_initialized()) {
st->print(" (not fully initialized)");
} else if (VM_Exit::vm_exited()) {
st->print(" (shutting down)");
} else {
st->print(" (normal execution)");
}
st->cr();
st->cr();
}
STEP("printing owned locks on error")
// mutexes/monitors that currently have an owner
if (_verbose) {
print_owned_locks_on_error(st);
st->cr();
}
STEP("printing number of OutOfMemoryError and StackOverflow exceptions")
if (_verbose && Exceptions::has_exception_counts()) {
st->print_cr("OutOfMemory and StackOverflow Exception counts:");
Exceptions::print_exception_counts_on_error(st);
st->cr();
}
STEP("printing compressed oops mode")
if (_verbose && UseCompressedOops) {
Universe::print_compressed_oops_mode(st);
if (UseCompressedClassPointers) {
Metaspace::print_compressed_class_space(st);
}
st->cr();
}
STEP("printing heap information")
if (_verbose && Universe::is_fully_initialized()) {
Universe::heap()->print_on_error(st);
st->cr();
st->print_cr("Polling page: " INTPTR_FORMAT, p2i(os::get_polling_page()));
st->cr();
}
STEP("printing code cache information")
if (_verbose && Universe::is_fully_initialized()) {
// print code cache information before vm abort
CodeCache::print_summary(st);
st->cr();
}
STEP("printing ring buffers")
if (_verbose) {
Events::print_all(st);
st->cr();
}
STEP("printing dynamic libraries")
if (_verbose) {
// dynamic libraries, or memory map
os::print_dll_info(st);
st->cr();
}
STEP("printing VM options")
if (_verbose) {
// VM options
Arguments::print_on(st);
st->cr();
}
STEP("printing warning if internal testing API used")
if (WhiteBox::used()) {
st->print_cr("Unsupported internal testing APIs have been used.");
st->cr();
}
STEP("printing log configuration")
if (_verbose){
st->print_cr("Logging:");
LogConfiguration::describe_current_configuration(st);
st->cr();
}
STEP("printing all environment variables")
if (_verbose) {
os::print_environment_variables(st, env_list);
st->cr();
}
STEP("printing signal handlers")
if (_verbose) {
os::print_signal_handlers(st, buf, sizeof(buf));
st->cr();
}
STEP("Native Memory Tracking")
if (_verbose) {
MemTracker::error_report(st);
}
STEP("printing system")
if (_verbose) {
st->cr();
st->print_cr("--------------- S Y S T E M ---------------");
st->cr();
}
STEP("printing OS information")
if (_verbose) {
os::print_os_info(st);
st->cr();
}
STEP("printing CPU info")
if (_verbose) {
os::print_cpu_info(st, buf, sizeof(buf));
st->cr();
}
STEP("printing memory info")
if (_verbose) {
os::print_memory_info(st);
st->cr();
}
STEP("printing internal vm info")
if (_verbose) {
st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string());
st->cr();
}
// print a defined marker to show that error handling finished correctly.
STEP("printing end marker")
if (_verbose) {
st->print_cr("END.");
}
END
# undef BEGIN
# undef STEP
# undef END
}
