Module: YTLJit::VM

Defined in:

lib/ytljit/vm.rb,
lib/ytljit/vm_trans.rb,
lib/ytljit/vm_codegen.rb,
lib/ytljit/vm_inspect.rb,
lib/ytljit/vm_typeinf.rb,
lib/ytljit/vm_sendnode.rb,
lib/ytljit/vm_type_gen.rb,
lib/ytljit/vm_cruby_obj.rb,
lib/ytljit/vm_inline_method.rb

Overview

Stack layout (on stack frame)

Hi | |Argn | | | | : | | | |Arg2(self) | | | |Arg1(block pointer) | | | |Arg0(parent frame) | -+ | |Return Address | - |old bp | <- |old bp on stack | -+ EBP-> |Local Vars1 |
| |
| |
|Local Varsn |
|Pointer to Env |
SP -> | | | | LO

Stack layout (on heap frame)

                                  |

Hi | |Arg0(parent frame) | -+ | |Arg1(block pointer) |
| |Arg2(self) | | | : | | |Arg n | | |Return Address | - |old bp | <--- |Pointer to Env | -+ | SP -> | | | | LO | | | | | | | | +- | | | | | |free func | | | | |mark func | | | | |T_DATA | <-+ |
| | | | | |Arg n | | | | : | | | |Arg3(exception status) | | | |Arg2(block pointer) | | | |Arg1(parent frame) | | | |Arg0(self) | |
| |Not used(reserved) | | | |Not used(reserved) | | | |old bp on stack | -----+ EBP-> |Local Vars1 |
| | |
| | |
+->|Local Varsn |

enter procedure
push EBP
SP -> EBP
allocate frame (stack or heap)    
Copy arguments if allocate frame on heap
store EBP on the top of frame
Address of top of frame -> EBP

leave procedure
Dereference of EBP -> ESP
pop EBP
ret

Defined Under Namespace

Modules: ArithmeticOperationUtil, CommonCodeGen, CompareOperationUtil, Node, SendNodeCodeGen, TypeCodeGen, UnboxedArrayUtil, UnboxedObjectUtil, YARVTranslatorCRubyObjectMixin, YARVTranslatorSimpleMixin, YARVTranslatorTypeInferenceMixin Classes: CollectInfoContext, CompileContext, TypeInferenceContext, YARVContext, YARVTranslatorBase, YARVTranslatorCRubyObject, YARVTranslatorSimple, YARVTranslatorTypeInference