354
355 void C1_MacroAssembler::remove_frame(int framesize, bool needs_stack_repair) {
356
357 guarantee(needs_stack_repair == false, "Stack repair should not be true");
358
359 MacroAssembler::remove_frame(framesize + 2 * wordSize);
360 }
361
362 void C1_MacroAssembler::verified_value_entry() {
363 if (C1Breakpoint || VerifyFPU || !UseStackBanging) {
364 // Verified Entry first instruction should be 5 bytes long for correct
365 // patching by patch_verified_entry().
366 //
367 // C1Breakpoint and VerifyFPU have one byte first instruction.
368 // Also first instruction will be one byte "push(rbp)" if stack banging
369 // code is not generated (see build_frame() above).
370 // For all these cases generate long instruction first.
371 nop();
372 }
373
374 // build frame
375 // verify_FPU(0, "method_entry");
376 }
377
378 int C1_MacroAssembler::scalarized_entry(const CompiledEntrySignature *ces, int frame_size_in_bytes, int bang_size_in_bytes, Label& verified_value_entry_label, bool is_value_ro_entry) {
379 // This function required to support for ValueTypePassFieldsAsArgs
380 if (C1Breakpoint || VerifyFPU || !UseStackBanging) {
381 // Verified Entry first instruction should be 5 bytes long for correct
382 // patching by patch_verified_entry().
383 //
384 // C1Breakpoint and VerifyFPU have one byte first instruction.
385 // Also first instruction will be one byte "push(rbp)" if stack banging
386 // code is not generated (see build_frame() above).
387 // For all these cases generate long instruction first.
388 nop();
389 }
390
391 // verify_FPU(0, "method_entry");
392
393 assert(ValueTypePassFieldsAsArgs, "sanity");
394
395 GrowableArray<SigEntry>* sig = &ces->sig();
396 GrowableArray<SigEntry>* sig_cc = is_value_ro_entry ? &ces->sig_cc_ro() : &ces->sig_cc();
397 VMRegPair* regs = ces->regs();
398 VMRegPair* regs_cc = is_value_ro_entry ? ces->regs_cc_ro() : ces->regs_cc();
399 int args_on_stack = ces->args_on_stack();
400 int args_on_stack_cc = is_value_ro_entry ? ces->args_on_stack_cc_ro() : ces->args_on_stack_cc();
401
402 assert(sig->length() <= sig_cc->length(), "Zero-sized value class not allowed!");
403 BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, sig_cc->length());
404 int args_passed = sig->length();
405 int args_passed_cc = SigEntry::fill_sig_bt(sig_cc, sig_bt);
406
407 int extra_stack_offset = wordSize; // tos is return address.
408
409 // Create a temp frame so we can call into runtime. It must be properly set up to accomodate GC.
410 int sp_inc = (args_on_stack - args_on_stack_cc) * VMRegImpl::stack_slot_size;
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354
355 void C1_MacroAssembler::remove_frame(int framesize, bool needs_stack_repair) {
356
357 guarantee(needs_stack_repair == false, "Stack repair should not be true");
358
359 MacroAssembler::remove_frame(framesize + 2 * wordSize);
360 }
361
362 void C1_MacroAssembler::verified_value_entry() {
363 if (C1Breakpoint || VerifyFPU || !UseStackBanging) {
364 // Verified Entry first instruction should be 5 bytes long for correct
365 // patching by patch_verified_entry().
366 //
367 // C1Breakpoint and VerifyFPU have one byte first instruction.
368 // Also first instruction will be one byte "push(rbp)" if stack banging
369 // code is not generated (see build_frame() above).
370 // For all these cases generate long instruction first.
371 nop();
372 }
373
374 nop();
375 // build frame
376 // verify_FPU(0, "method_entry");
377 }
378
379 int C1_MacroAssembler::scalarized_entry(const CompiledEntrySignature *ces, int frame_size_in_bytes, int bang_size_in_bytes, Label& verified_value_entry_label, bool is_value_ro_entry) {
380 // This function required to support for ValueTypePassFieldsAsArgs
381 if (C1Breakpoint || VerifyFPU || !UseStackBanging) {
382 // Verified Entry first instruction should be 5 bytes long for correct
383 // patching by patch_verified_entry().
384 //
385 // C1Breakpoint and VerifyFPU have one byte first instruction.
386 // Also first instruction will be one byte "push(rbp)" if stack banging
387 // code is not generated (see build_frame() above).
388 // For all these cases generate long instruction first.
389 nop();
390 }
391
392 nop();
393 // verify_FPU(0, "method_entry");
394
395 assert(ValueTypePassFieldsAsArgs, "sanity");
396
397 GrowableArray<SigEntry>* sig = &ces->sig();
398 GrowableArray<SigEntry>* sig_cc = is_value_ro_entry ? &ces->sig_cc_ro() : &ces->sig_cc();
399 VMRegPair* regs = ces->regs();
400 VMRegPair* regs_cc = is_value_ro_entry ? ces->regs_cc_ro() : ces->regs_cc();
401 int args_on_stack = ces->args_on_stack();
402 int args_on_stack_cc = is_value_ro_entry ? ces->args_on_stack_cc_ro() : ces->args_on_stack_cc();
403
404 assert(sig->length() <= sig_cc->length(), "Zero-sized value class not allowed!");
405 BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, sig_cc->length());
406 int args_passed = sig->length();
407 int args_passed_cc = SigEntry::fill_sig_bt(sig_cc, sig_bt);
408
409 int extra_stack_offset = wordSize; // tos is return address.
410
411 // Create a temp frame so we can call into runtime. It must be properly set up to accomodate GC.
412 int sp_inc = (args_on_stack - args_on_stack_cc) * VMRegImpl::stack_slot_size;
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