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comparison src/cpu/sparc/vm/assembler_sparc.inline.hpp @ 4059:44ce519bc3d1

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7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer Reviewed-by: kvn, jrose, twisti
author never
date Tue, 08 Nov 2011 10:31:53 -0800
parents 3d42f82cd811
children 0382d2b469b2
comparison
equal deleted inserted replaced
4058:59e515ee9354 4059:44ce519bc3d1
595 595
596 inline void MacroAssembler::jmp( Register s1, Register s2 ) { jmpl( s1, s2, G0 ); } 596 inline void MacroAssembler::jmp( Register s1, Register s2 ) { jmpl( s1, s2, G0 ); }
597 inline void MacroAssembler::jmp( Register s1, int simm13a, RelocationHolder const& rspec ) { jmpl( s1, simm13a, G0, rspec); } 597 inline void MacroAssembler::jmp( Register s1, int simm13a, RelocationHolder const& rspec ) { jmpl( s1, simm13a, G0, rspec); }
598 598
599 inline bool MacroAssembler::is_far_target(address d) { 599 inline bool MacroAssembler::is_far_target(address d) {
600 if (ForceUnreachable) {
601 // References outside the code cache should be treated as far
602 return d < CodeCache::low_bound() || d > CodeCache::high_bound();
603 }
600 return !is_in_wdisp30_range(d, CodeCache::low_bound()) || !is_in_wdisp30_range(d, CodeCache::high_bound()); 604 return !is_in_wdisp30_range(d, CodeCache::low_bound()) || !is_in_wdisp30_range(d, CodeCache::high_bound());
601 } 605 }
602 606
603 // Call with a check to see if we need to deal with the added 607 // Call with a check to see if we need to deal with the added
604 // expense of relocation and if we overflow the displacement 608 // expense of relocation and if we overflow the displacement
677 } 681 }
678 682
679 683
680 inline void MacroAssembler::load_contents(const AddressLiteral& addrlit, Register d, int offset) { 684 inline void MacroAssembler::load_contents(const AddressLiteral& addrlit, Register d, int offset) {
681 assert_not_delayed(); 685 assert_not_delayed();
682 sethi(addrlit, d); 686 if (ForceUnreachable) {
687 patchable_sethi(addrlit, d);
688 } else {
689 sethi(addrlit, d);
690 }
683 ld(d, addrlit.low10() + offset, d); 691 ld(d, addrlit.low10() + offset, d);
684 } 692 }
685 693
686 694
687 inline void MacroAssembler::load_ptr_contents(const AddressLiteral& addrlit, Register d, int offset) { 695 inline void MacroAssembler::load_ptr_contents(const AddressLiteral& addrlit, Register d, int offset) {
688 assert_not_delayed(); 696 assert_not_delayed();
689 sethi(addrlit, d); 697 if (ForceUnreachable) {
698 patchable_sethi(addrlit, d);
699 } else {
700 sethi(addrlit, d);
701 }
690 ld_ptr(d, addrlit.low10() + offset, d); 702 ld_ptr(d, addrlit.low10() + offset, d);
691 } 703 }
692 704
693 705
694 inline void MacroAssembler::store_contents(Register s, const AddressLiteral& addrlit, Register temp, int offset) { 706 inline void MacroAssembler::store_contents(Register s, const AddressLiteral& addrlit, Register temp, int offset) {
695 assert_not_delayed(); 707 assert_not_delayed();
696 sethi(addrlit, temp); 708 if (ForceUnreachable) {
709 patchable_sethi(addrlit, temp);
710 } else {
711 sethi(addrlit, temp);
712 }
697 st(s, temp, addrlit.low10() + offset); 713 st(s, temp, addrlit.low10() + offset);
698 } 714 }
699 715
700 716
701 inline void MacroAssembler::store_ptr_contents(Register s, const AddressLiteral& addrlit, Register temp, int offset) { 717 inline void MacroAssembler::store_ptr_contents(Register s, const AddressLiteral& addrlit, Register temp, int offset) {
702 assert_not_delayed(); 718 assert_not_delayed();
703 sethi(addrlit, temp); 719 if (ForceUnreachable) {
720 patchable_sethi(addrlit, temp);
721 } else {
722 sethi(addrlit, temp);
723 }
704 st_ptr(s, temp, addrlit.low10() + offset); 724 st_ptr(s, temp, addrlit.low10() + offset);
705 } 725 }
706 726
707 727
708 // This code sequence is relocatable to any address, even on LP64. 728 // This code sequence is relocatable to any address, even on LP64.