652 cbuf.insts()->emit_int64(d64);
653 }
654
655 // emit 32 bit value and construct relocation entry from relocInfo::relocType
656 void emit_d32_reloc(CodeBuffer& cbuf,
657 int d32,
658 relocInfo::relocType reloc,
659 int format)
660 {
661 assert(reloc != relocInfo::external_word_type, "use 2-arg emit_d32_reloc");
662 cbuf.relocate(cbuf.insts_mark(), reloc, format);
663 cbuf.insts()->emit_int32(d32);
664 }
665
666 // emit 32 bit value and construct relocation entry from RelocationHolder
667 void emit_d32_reloc(CodeBuffer& cbuf, int d32, RelocationHolder const& rspec, int format) {
668 #ifdef ASSERT
669 if (rspec.reloc()->type() == relocInfo::oop_type &&
670 d32 != 0 && d32 != (intptr_t) Universe::non_oop_word()) {
671 assert(Universe::heap()->is_in_reserved((address)(intptr_t)d32), "should be real oop");
672 assert(oopDesc::is_oop(cast_to_oop((intptr_t)d32)) && (ScavengeRootsInCode || !cast_to_oop((intptr_t)d32)->is_scavengable()), "cannot embed scavengable oops in code");
673 }
674 #endif
675 cbuf.relocate(cbuf.insts_mark(), rspec, format);
676 cbuf.insts()->emit_int32(d32);
677 }
678
679 void emit_d32_reloc(CodeBuffer& cbuf, address addr) {
680 address next_ip = cbuf.insts_end() + 4;
681 emit_d32_reloc(cbuf, (int) (addr - next_ip),
682 external_word_Relocation::spec(addr),
683 RELOC_DISP32);
684 }
685
686
687 // emit 64 bit value and construct relocation entry from relocInfo::relocType
688 void emit_d64_reloc(CodeBuffer& cbuf, int64_t d64, relocInfo::relocType reloc, int format) {
689 cbuf.relocate(cbuf.insts_mark(), reloc, format);
690 cbuf.insts()->emit_int64(d64);
691 }
692
693 // emit 64 bit value and construct relocation entry from RelocationHolder
694 void emit_d64_reloc(CodeBuffer& cbuf, int64_t d64, RelocationHolder const& rspec, int format) {
695 #ifdef ASSERT
696 if (rspec.reloc()->type() == relocInfo::oop_type &&
697 d64 != 0 && d64 != (int64_t) Universe::non_oop_word()) {
698 assert(Universe::heap()->is_in_reserved((address)d64), "should be real oop");
699 assert(oopDesc::is_oop(cast_to_oop(d64)) && (ScavengeRootsInCode || !cast_to_oop(d64)->is_scavengable()),
700 "cannot embed scavengable oops in code");
701 }
702 #endif
703 cbuf.relocate(cbuf.insts_mark(), rspec, format);
704 cbuf.insts()->emit_int64(d64);
705 }
706
707 // Access stack slot for load or store
708 void store_to_stackslot(CodeBuffer &cbuf, int opcode, int rm_field, int disp)
709 {
710 emit_opcode(cbuf, opcode); // (e.g., FILD [RSP+src])
711 if (-0x80 <= disp && disp < 0x80) {
712 emit_rm(cbuf, 0x01, rm_field, RSP_enc); // R/M byte
713 emit_rm(cbuf, 0x00, RSP_enc, RSP_enc); // SIB byte
714 emit_d8(cbuf, disp); // Displacement // R/M byte
715 } else {
716 emit_rm(cbuf, 0x02, rm_field, RSP_enc); // R/M byte
717 emit_rm(cbuf, 0x00, RSP_enc, RSP_enc); // SIB byte
718 emit_d32(cbuf, disp); // Displacement // R/M byte
719 }
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652 cbuf.insts()->emit_int64(d64);
653 }
654
655 // emit 32 bit value and construct relocation entry from relocInfo::relocType
656 void emit_d32_reloc(CodeBuffer& cbuf,
657 int d32,
658 relocInfo::relocType reloc,
659 int format)
660 {
661 assert(reloc != relocInfo::external_word_type, "use 2-arg emit_d32_reloc");
662 cbuf.relocate(cbuf.insts_mark(), reloc, format);
663 cbuf.insts()->emit_int32(d32);
664 }
665
666 // emit 32 bit value and construct relocation entry from RelocationHolder
667 void emit_d32_reloc(CodeBuffer& cbuf, int d32, RelocationHolder const& rspec, int format) {
668 #ifdef ASSERT
669 if (rspec.reloc()->type() == relocInfo::oop_type &&
670 d32 != 0 && d32 != (intptr_t) Universe::non_oop_word()) {
671 assert(Universe::heap()->is_in_reserved((address)(intptr_t)d32), "should be real oop");
672 assert(oopDesc::is_oop(cast_to_oop((intptr_t)d32)) && (ScavengeRootsInCode || !Universe::heap()->is_scavengable(cast_to_oop((intptr_t)d32))), "cannot embed scavengable oops in code");
673 }
674 #endif
675 cbuf.relocate(cbuf.insts_mark(), rspec, format);
676 cbuf.insts()->emit_int32(d32);
677 }
678
679 void emit_d32_reloc(CodeBuffer& cbuf, address addr) {
680 address next_ip = cbuf.insts_end() + 4;
681 emit_d32_reloc(cbuf, (int) (addr - next_ip),
682 external_word_Relocation::spec(addr),
683 RELOC_DISP32);
684 }
685
686
687 // emit 64 bit value and construct relocation entry from relocInfo::relocType
688 void emit_d64_reloc(CodeBuffer& cbuf, int64_t d64, relocInfo::relocType reloc, int format) {
689 cbuf.relocate(cbuf.insts_mark(), reloc, format);
690 cbuf.insts()->emit_int64(d64);
691 }
692
693 // emit 64 bit value and construct relocation entry from RelocationHolder
694 void emit_d64_reloc(CodeBuffer& cbuf, int64_t d64, RelocationHolder const& rspec, int format) {
695 #ifdef ASSERT
696 if (rspec.reloc()->type() == relocInfo::oop_type &&
697 d64 != 0 && d64 != (int64_t) Universe::non_oop_word()) {
698 assert(Universe::heap()->is_in_reserved((address)d64), "should be real oop");
699 assert(oopDesc::is_oop(cast_to_oop(d64)) && (ScavengeRootsInCode || !Universe::heap()->is_scavengable(cast_to_oop(d64))),
700 "cannot embed scavengable oops in code");
701 }
702 #endif
703 cbuf.relocate(cbuf.insts_mark(), rspec, format);
704 cbuf.insts()->emit_int64(d64);
705 }
706
707 // Access stack slot for load or store
708 void store_to_stackslot(CodeBuffer &cbuf, int opcode, int rm_field, int disp)
709 {
710 emit_opcode(cbuf, opcode); // (e.g., FILD [RSP+src])
711 if (-0x80 <= disp && disp < 0x80) {
712 emit_rm(cbuf, 0x01, rm_field, RSP_enc); // R/M byte
713 emit_rm(cbuf, 0x00, RSP_enc, RSP_enc); // SIB byte
714 emit_d8(cbuf, disp); // Displacement // R/M byte
715 } else {
716 emit_rm(cbuf, 0x02, rm_field, RSP_enc); // R/M byte
717 emit_rm(cbuf, 0x00, RSP_enc, RSP_enc); // SIB byte
718 emit_d32(cbuf, disp); // Displacement // R/M byte
719 }
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