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8058345: Refactor native stack printing from vmError.cpp to debug.cpp to make it available in gdb as well

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Also fix stack trace on x86 to enable walking of runtime stubs and native wrappers

Reviewed-by: kvn
This commit is contained in:
Volker Simonis 2014-09-24 12:19:07 -07:00
parent f85f7d2832
commit a1628426d3
12 changed files with 117 additions and 41 deletions
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40
hotspot/src/share/vm/utilities/vmError.cpp
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@ -577,7 +577,7 @@ void VMError::report(outputStream* st) {
STEP(120, "(printing native stack)" )
if (_verbose) {
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.
@ -585,43 +585,7 @@ void VMError::report(outputStream* st) {
frame fr = _context ? os::fetch_frame_from_context(_context)
: os::current_frame();
// see if it's a valid frame
if (fr.pc()) {
st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)");
int count = 0;
while (count++ < StackPrintLimit) {
fr.print_on_error(st, buf, sizeof(buf));
st->cr();
// Compiled code may use EBP register on x86 so it looks like
// non-walkable C frame. Use frame.sender() for java frames.
if (_thread && _thread->is_Java_thread()) {
// Catch very first native frame by using stack address.
// For JavaThread stack_base and stack_size should be set.
if (!_thread->on_local_stack((address)(fr.sender_sp() + 1))) {
break;
}
if (fr.is_java_frame()) {
RegisterMap map((JavaThread*)_thread, false); // No update
fr = fr.sender(&map);
} else {
fr = os::get_sender_for_C_frame(&fr);
}
} else {
// is_first_C_frame() does only simple checks for frame pointer,
// it will pass if java compiled code has a pointer in EBP.
if (os::is_first_C_frame(&fr)) break;
fr = os::get_sender_for_C_frame(&fr);
}
}
if (count > StackPrintLimit) {
st->print_cr("...<more frames>...");
}
st->cr();
}
print_native_stack(st, fr, _thread, buf, sizeof(buf));
}
}