bool LocationAddress::has_fixed_offset(jint& fixed_offset) {
int base_offset;
int actual_index;
CodeGenerator* gen = code_generator() ;
if (gen->omit_stack_frame()) {
// Everything is accessed using jsp
actual_index = frame()->stack_pointer() - index();
fixed_offset = JavaFrame::arg_offset_from_sp(actual_index);
} else {
// With a stack frame: locals are accessed using fp
// stacks are accessed using jsp
if (is_local()) {
// The offset from the fp that would have it point at the end of the
// locals block
base_offset = JavaFrame::end_of_locals_offset();
actual_index = gen->root_method()->max_locals() - 1 - index();
} else {
if (Assembler::jsp == Assembler::sp) {
// We need to make sure that we don't put something beyond
// the current end of stack
gen->ensure_sufficient_stack_for(index(), type());
}
base_offset = 0;
actual_index = gen->frame()->stack_pointer() - index();
}
fixed_offset = base_offset + JavaFrame::arg_offset_from_sp(actual_index);
}
return true;
}
