489
490 #ifdef ASSERT
491 Label stack_base_okay, stack_size_okay;
492 // verify that thread stack base is non-zero
493 __ cmpptr(stack_base, (int32_t)NULL_WORD);
494 __ jcc(Assembler::notEqual, stack_base_okay);
495 __ stop("stack base is zero");
496 __ bind(stack_base_okay);
497 // verify that thread stack size is non-zero
498 __ cmpptr(stack_size, 0);
499 __ jcc(Assembler::notEqual, stack_size_okay);
500 __ stop("stack size is zero");
501 __ bind(stack_size_okay);
502 #endif
503
504 // Add stack base to locals and subtract stack size
505 __ addptr(rax, stack_base);
506 __ subptr(rax, stack_size);
507
508 // Use the maximum number of pages we might bang.
509 const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages :
510 (StackRedPages+StackYellowPages);
511 __ addptr(rax, max_pages * page_size);
512
513 // check against the current stack bottom
514 __ cmpptr(rsp, rax);
515 __ jcc(Assembler::above, after_frame_check_pop);
516
517 __ pop(rsi); // get saved bcp / (c++ prev state ).
518
519 // Restore sender's sp as SP. This is necessary if the sender's
520 // frame is an extended compiled frame (see gen_c2i_adapter())
521 // and safer anyway in case of JSR292 adaptations.
522
523 __ pop(rax); // return address must be moved if SP is changed
524 __ mov(rsp, rsi);
525 __ push(rax);
526
527 // Note: the restored frame is not necessarily interpreted.
528 // Use the shared runtime version of the StackOverflowError.
529 assert(StubRoutines::throw_StackOverflowError_entry() != NULL, "stub not yet generated");
530 __ jump(ExternalAddress(StubRoutines::throw_StackOverflowError_entry()));
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489
490 #ifdef ASSERT
491 Label stack_base_okay, stack_size_okay;
492 // verify that thread stack base is non-zero
493 __ cmpptr(stack_base, (int32_t)NULL_WORD);
494 __ jcc(Assembler::notEqual, stack_base_okay);
495 __ stop("stack base is zero");
496 __ bind(stack_base_okay);
497 // verify that thread stack size is non-zero
498 __ cmpptr(stack_size, 0);
499 __ jcc(Assembler::notEqual, stack_size_okay);
500 __ stop("stack size is zero");
501 __ bind(stack_size_okay);
502 #endif
503
504 // Add stack base to locals and subtract stack size
505 __ addptr(rax, stack_base);
506 __ subptr(rax, stack_size);
507
508 // Use the maximum number of pages we might bang.
509 const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages+StackReservedPages) ? StackShadowPages :
510 (StackRedPages+StackYellowPages+StackReservedPages);
511 __ addptr(rax, max_pages * page_size);
512
513 // check against the current stack bottom
514 __ cmpptr(rsp, rax);
515 __ jcc(Assembler::above, after_frame_check_pop);
516
517 __ pop(rsi); // get saved bcp / (c++ prev state ).
518
519 // Restore sender's sp as SP. This is necessary if the sender's
520 // frame is an extended compiled frame (see gen_c2i_adapter())
521 // and safer anyway in case of JSR292 adaptations.
522
523 __ pop(rax); // return address must be moved if SP is changed
524 __ mov(rsp, rsi);
525 __ push(rax);
526
527 // Note: the restored frame is not necessarily interpreted.
528 // Use the shared runtime version of the StackOverflowError.
529 assert(StubRoutines::throw_StackOverflowError_entry() != NULL, "stub not yet generated");
530 __ jump(ExternalAddress(StubRoutines::throw_StackOverflowError_entry()));
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