void Execution_Tracer::check_it(Oop ents) { Object_p eo = ents.as_object(); int wl = eo->fetchWordLength(); int n = wl / e_N; for (int i = 0; i < n; ++i) { int x = -1; Oop rank = eo->fetchPointer(x = i * e_N + e_rank); assert_always( rank.is_int()); switch (eo->fetchPointer(i * e_N + e_kind).integerValue()) { default: fatal(); case k_bc: { Oop meth = eo->fetchPointer(x = i * e_N + e_method); assert_always(meth.is_mem()); Oop rcvr = eo->fetchPointer(x = i * e_N + e_rcvr); Oop pc = eo->fetchPointer(x = i * e_N + e_pc ); assert_always(pc.is_int()); Oop is_block = eo->fetchPointer(x = i * e_N + e_is_block); assert_always(is_block == The_Squeak_Interpreter()->roots.trueObj || is_block == The_Squeak_Interpreter()->roots.falseObj); break; } case k_gc: { Oop gc = eo->fetchPointer(x = i * e_N + e_gc ); assert_always(gc.is_int()); } break; case k_proc: { Oop process = eo->fetchPointer(x = i * e_N + e_process); assert_always(process.is_mem()); } break; case k_rcved_interp: break; case k_aux: break; } } }
void Profiling_Tracer::record_for_profile(Oop meth, Oop rcvr, bool is_block) { if (Logical_Core::num_cores > 1) return; static std::string lastSignature; std::map<std::string, int>* profile; #warning Stefan: warning, not threadsafe get_profile(&profile); static char buff[2024]; StringPrinter p(buff, 2023); Oop klass = rcvr.fetchClass(); Oop sel, mclass; bool have_sel_and_mclass = klass.as_object()->selector_and_class_of_method_in_me_or_ancestors(meth, &sel, &mclass); if (!have_sel_and_mclass) return; if (mclass == The_Squeak_Interpreter()->roots.nilObj) mclass = rcvr.fetchClass(); rcvr.print(&p); if (mclass != klass) { p.printf("("); bool is_meta; Oop mclassName = mclass.as_object()->name_of_class_or_metaclass(&is_meta); if (is_meta) p.printf("class "); mclassName.as_object()->print_bytes(&p); p.printf(")"); } p.printf(">>"); sel.as_object()->print_bytes(&p); if (is_block) p.printf("[]"); buff[2023] = 0; std::string signature(buff); if (lastSignature != signature) { lastSignature = signature; ++(*profile)[lastSignature]; } // STEFAN: a little hack to be able to get the printout during debugging, any better ways to do so? static bool print_profile = false; if (print_profile) { this->print_profile(debug_printer); } }
/** Inspired by: !Interpreter methodsFor: 'image save/restore' stamp: 'dtl 10/5/2010 23:54'! normalizeFloatOrderingInImage "Float objects were saved in platform word ordering. Reorder them into the traditional object format." */ void Squeak_Image_Reader::normalize_float_ordering_in_image() { Squeak_Interpreter* const interp = The_Squeak_Interpreter(); Memory_System* const mem_sys = The_Memory_System(); Oop cls = interp->splObj(Special_Indices::ClassFloat); for (Oop floatInstance = mem_sys->initialInstanceOf(cls); floatInstance != interp->roots.nilObj; floatInstance = mem_sys->nextInstanceAfter(floatInstance) ) { /* Swap words within Float objects, taking them out of native platform ordering */ floatInstance.as_object()->swapFloatParts_for_cog_compatibility(); } }
bool Oop::isKindOf(char* className) { for (Oop klass = fetchClass(); klass != The_Squeak_Interpreter()->roots.nilObj; klass = klass.as_object()->superclass()) if (klass.as_object()->className().as_object()->equals_string(className)) return true; return false; }
void Execution_Tracer::print_entries(Oop ents, Printer* p) { Object_p eo = ents.as_object(); int n = eo->fetchWordLength() / e_N; int x; for (int i = 0; i < n; ++i) { int rank = eo->fetchPointer(x = i * e_N + e_rank).integerValue(); p->printf("%3d on %2d: ", i - n, rank); switch (eo->fetchPointer(i * e_N + e_kind).integerValue()) { default: fatal(); break; case k_proc: { Oop process = eo->fetchPointer(i * e_N + e_process); assert(process.is_mem()); p->printf("switch to process 0x%x", process.as_untracked_object_ptr()); } break; case k_aux: { int rank = eo->fetchPointer(i * e_N + e_rank).integerValue(); int aux1 = eo->fetchPointer(i * e_N + e_aux1).integerValue(); //int aux2 = eo->fetchPointer(i * e_N + e_aux2).integerValue(); int id = eo->fetchPointer(i * e_N + e_id ).integerValue(); // p->printf("on %d: aux1 0x%x aux2 0x%x id %d", rank, aux1, aux2, id); p->printf("on %d: aux1 %s id %d", rank, aux1, id); } break; case k_gc: p->printf("gc: %d", eo->fetchPointer(i * e_N + e_gc).integerValue()); break; case k_rcved_interp: p->printf("received interp"); break; case k_bc: { Oop meth = eo->fetchPointer(i * e_N + e_method); assert(meth.is_mem()); Oop rcvr = eo->fetchPointer(i * e_N + e_rcvr); int pc = eo->fetchPointer(i * e_N + e_pc ).integerValue(); bool is_block = eo->fetchPointer(i * e_N + e_is_block) == The_Squeak_Interpreter()->roots.trueObj; int aux1 = eo->fetchPointer(i * e_N + e_aux1).integerValue(); int aux2 = eo->fetchPointer(i * e_N + e_aux2).integerValue(); Oop klass = rcvr.fetchClass(); Oop sel, mclass; bool have_sel_and_mclass = klass.as_object()->selector_and_class_of_method_in_me_or_ancestors(meth, &sel, &mclass); if (!have_sel_and_mclass) continue; if (mclass == The_Squeak_Interpreter()->roots.nilObj) mclass = rcvr.fetchClass(); p->printf("rcvr: "); rcvr.print(p); if (mclass != klass) { p->printf("("); bool is_meta; Oop mclassName = mclass.as_object()->name_of_class_or_metaclass(&is_meta); if (is_meta) p->printf("class "); mclassName.as_object()->print_bytes(p); p->printf(")"); } p->printf(" >> "); sel.as_object()->print_bytes(p); p->printf(is_block ? " [] " : " "); p->printf(", pc: %d, ", pc); Object_p mo = meth.as_object(); u_char bc = mo->first_byte_address()[pc]; The_Squeak_Interpreter()->printBC(bc, p); p->printf(", bcCount %d", eo->fetchPointer(i * e_N + e_bcCount).integerValue()); if (aux1) p->printf(", aux1 = 0x%x", aux1); if (aux1) p->printf(", aux1 = 0x%x", aux2); } break; } p->nl(); } }