276 if (!reg_map->in_cont()) {
277 address value_addr = loc.is_register()
278 // Value was in a callee-save register
279 ? reg_map->location(VMRegImpl::as_VMReg(loc.register_number()), fr->sp())
280 // Else value was directly saved on the stack. The frame's original stack pointer,
281 // before any extension by its callee (due to Compiler1 linkage on SPARC), must be used.
282 : ((address)fr->unextended_sp()) + loc.stack_offset();
283
284 assert(value_addr == nullptr || reg_map->thread() == nullptr || reg_map->thread()->is_in_usable_stack(value_addr), INTPTR_FORMAT, p2i(value_addr));
285 return value_addr;
286 }
287
288 address value_addr = loc.is_register()
289 ? reg_map->as_RegisterMap()->stack_chunk()->reg_to_location(*fr, reg_map->as_RegisterMap(), VMRegImpl::as_VMReg(loc.register_number()))
290 : reg_map->as_RegisterMap()->stack_chunk()->usp_offset_to_location(*fr, loc.stack_offset());
291
292 assert(value_addr == nullptr || Continuation::is_in_usable_stack(value_addr, reg_map->as_RegisterMap()) || (reg_map->thread() != nullptr && reg_map->thread()->is_in_usable_stack(value_addr)), INTPTR_FORMAT, p2i(value_addr));
293 return value_addr;
294 }
295
296 BasicLock* StackValue::resolve_monitor_lock(const frame* fr, Location location) {
297 assert(location.is_stack(), "for now we only look at the stack");
298 int word_offset = location.stack_offset() / wordSize;
299 // (stack picture)
300 // high: [ ] word_offset + 1
301 // low [ ] word_offset
302 //
303 // sp-> [ ] 0
304 // the word_offset is the distance from the stack pointer to the lowest address
305 // The frame's original stack pointer, before any extension by its callee
306 // (due to Compiler1 linkage on SPARC), must be used.
307 return (BasicLock*) (fr->unextended_sp() + word_offset);
308 }
309
310
311 #ifndef PRODUCT
312
313 void StackValue::print_on(outputStream* st) const {
314 switch(_type) {
315 case T_INT:
316 st->print("%d (int) %f (float) %x (hex)", *(int *)&_integer_value, *(float *)&_integer_value, *(int *)&_integer_value);
317 break;
318
319 case T_OBJECT:
320 if (_handle_value() != nullptr) {
321 _handle_value()->print_value_on(st);
322 } else {
323 st->print("null");
324 }
325 st->print(" <" INTPTR_FORMAT ">", p2i(_handle_value()));
326 break;
327
|
276 if (!reg_map->in_cont()) {
277 address value_addr = loc.is_register()
278 // Value was in a callee-save register
279 ? reg_map->location(VMRegImpl::as_VMReg(loc.register_number()), fr->sp())
280 // Else value was directly saved on the stack. The frame's original stack pointer,
281 // before any extension by its callee (due to Compiler1 linkage on SPARC), must be used.
282 : ((address)fr->unextended_sp()) + loc.stack_offset();
283
284 assert(value_addr == nullptr || reg_map->thread() == nullptr || reg_map->thread()->is_in_usable_stack(value_addr), INTPTR_FORMAT, p2i(value_addr));
285 return value_addr;
286 }
287
288 address value_addr = loc.is_register()
289 ? reg_map->as_RegisterMap()->stack_chunk()->reg_to_location(*fr, reg_map->as_RegisterMap(), VMRegImpl::as_VMReg(loc.register_number()))
290 : reg_map->as_RegisterMap()->stack_chunk()->usp_offset_to_location(*fr, loc.stack_offset());
291
292 assert(value_addr == nullptr || Continuation::is_in_usable_stack(value_addr, reg_map->as_RegisterMap()) || (reg_map->thread() != nullptr && reg_map->thread()->is_in_usable_stack(value_addr)), INTPTR_FORMAT, p2i(value_addr));
293 return value_addr;
294 }
295
296 BasicLock* StackValue::resolve_monitor_lock(const frame& fr, Location location) {
297 assert(location.is_stack(), "for now we only look at the stack");
298 int word_offset = location.stack_offset() / wordSize;
299 // (stack picture)
300 // high: [ ] word_offset + 1
301 // low [ ] word_offset
302 //
303 // sp-> [ ] 0
304 // the word_offset is the distance from the stack pointer to the lowest address
305 // The frame's original stack pointer, before any extension by its callee
306 // (due to Compiler1 linkage on SPARC), must be used.
307 return (BasicLock*) (fr.unextended_sp() + word_offset);
308 }
309
310
311 #ifndef PRODUCT
312
313 void StackValue::print_on(outputStream* st) const {
314 switch(_type) {
315 case T_INT:
316 st->print("%d (int) %f (float) %x (hex)", *(int *)&_integer_value, *(float *)&_integer_value, *(int *)&_integer_value);
317 break;
318
319 case T_OBJECT:
320 if (_handle_value() != nullptr) {
321 _handle_value()->print_value_on(st);
322 } else {
323 st->print("null");
324 }
325 st->print(" <" INTPTR_FORMAT ">", p2i(_handle_value()));
326 break;
327
|