7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method

Reviewed-by: kvn, coleenp
This commit is contained in:
Tom Rodriguez 2011-05-12 10:29:02 -07:00
parent 42e49be1bc
commit e5357d4bee
16 changed files with 135 additions and 140 deletions

View file

@ -1623,6 +1623,7 @@ int AbstractInterpreter::layout_activation(methodOop method,
int tempcount,
int popframe_extra_args,
int moncount,
int caller_actual_parameters,
int callee_param_count,
int callee_local_count,
frame* caller,
@ -1698,24 +1699,35 @@ int AbstractInterpreter::layout_activation(methodOop method,
popframe_extra_args;
int local_words = method->max_locals() * Interpreter::stackElementWords;
NEEDS_CLEANUP;
intptr_t* locals;
if (caller->is_compiled_frame()) {
// Compiled frames do not allocate a varargs area so place them
// next to the register save area.
locals = fp + frame::register_save_words + local_words - 1;
// Caller wants his own SP back
int caller_frame_size = caller->cb()->frame_size();
*interpreter_frame->register_addr(I5_savedSP) = (intptr_t)(caller->fp() - caller_frame_size) - STACK_BIAS;
if (caller->is_interpreted_frame()) {
// Can force the locals area to end up properly overlapping the top of the expression stack.
intptr_t* Lesp_ptr = caller->interpreter_frame_tos_address() - 1;
// Note that this computation means we replace size_of_parameters() values from the caller
// interpreter frame's expression stack with our argument locals
int parm_words = caller_actual_parameters * Interpreter::stackElementWords;
locals = Lesp_ptr + parm_words;
int delta = local_words - parm_words;
int computed_sp_adjustment = (delta > 0) ? round_to(delta, WordsPerLong) : 0;
*interpreter_frame->register_addr(I5_savedSP) = (intptr_t) (fp + computed_sp_adjustment) - STACK_BIAS;
} else {
assert(caller->is_interpreted_frame() || caller->is_entry_frame(), "only possible cases");
// The entry and interpreter frames are laid out like normal C
// frames so place the locals adjacent to the varargs area.
locals = fp + frame::memory_parameter_word_sp_offset + local_words - 1;
if (caller->is_interpreted_frame()) {
int parm_words = method->size_of_parameters() * Interpreter::stackElementWords;
int delta = local_words - parm_words;
int computed_sp_adjustment = (delta > 0) ? round_to(delta, WordsPerLong) : 0;
*interpreter_frame->register_addr(I5_savedSP) = (intptr_t) (fp + computed_sp_adjustment) - STACK_BIAS;
assert(caller->is_compiled_frame() || caller->is_entry_frame(), "only possible cases");
// Don't have Lesp available; lay out locals block in the caller
// adjacent to the register window save area.
//
// Compiled frames do not allocate a varargs area which is why this if
// statement is needed.
//
if (caller->is_compiled_frame()) {
locals = fp + frame::register_save_words + local_words - 1;
} else {
locals = fp + frame::memory_parameter_word_sp_offset + local_words - 1;
}
if (!caller->is_entry_frame()) {
// Caller wants his own SP back
int caller_frame_size = caller->cb()->frame_size();
*interpreter_frame->register_addr(I5_savedSP) = (intptr_t)(caller->fp() - caller_frame_size) - STACK_BIAS;
}
}
if (TraceDeoptimization) {