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comparison src/share/vm/graal/graalCodeInstaller.cpp @ 8151:b8f261ba79c6

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Minimize diff to plain HotSpot version.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 07 Mar 2013 21:00:29 +0100
parents c66aa27ef4da
children b89a97928e72
comparison
equal deleted inserted replaced
8150:b66f831ac5ab 8151:b8f261ba79c6
615 615
616 assert((hotspot_method ? 1 : 0) + (global_stub ? 1 : 0) == 1, "Call site needs exactly one type"); 616 assert((hotspot_method ? 1 : 0) + (global_stub ? 1 : 0) == 1, "Call site needs exactly one type");
617 617
618 NativeInstruction* inst = nativeInstruction_at(_instructions->start() + pc_offset); 618 NativeInstruction* inst = nativeInstruction_at(_instructions->start() + pc_offset);
619 jint next_pc_offset = 0x0; 619 jint next_pc_offset = 0x0;
620 bool is_call_reg = false;
621 if (inst->is_call() || inst->is_jump()) { 620 if (inst->is_call() || inst->is_jump()) {
622 assert(NativeCall::instruction_size == (int)NativeJump::instruction_size, "unexpected size"); 621 assert(NativeCall::instruction_size == (int)NativeJump::instruction_size, "unexpected size");
623 next_pc_offset = pc_offset + NativeCall::instruction_size; 622 next_pc_offset = pc_offset + NativeCall::instruction_size;
624 } else if (inst->is_mov_literal64()) { 623 } else if (inst->is_mov_literal64()) {
625 // mov+call instruction pair 624 // mov+call instruction pair
628 assert((call[0] == 0x40 || call[0] == 0x41) && call[1] == 0xFF, "expected call with rex/rexb prefix byte"); 627 assert((call[0] == 0x40 || call[0] == 0x41) && call[1] == 0xFF, "expected call with rex/rexb prefix byte");
629 next_pc_offset += 3; /* prefix byte + opcode byte + modrm byte */ 628 next_pc_offset += 3; /* prefix byte + opcode byte + modrm byte */
630 } else if (inst->is_call_reg()) { 629 } else if (inst->is_call_reg()) {
631 // the inlined vtable stub contains a "call register" instruction 630 // the inlined vtable stub contains a "call register" instruction
632 assert(hotspot_method != NULL, "only valid for virtual calls"); 631 assert(hotspot_method != NULL, "only valid for virtual calls");
633 is_call_reg = true;
634 next_pc_offset = pc_offset + ((NativeCallReg *) inst)->next_instruction_offset(); 632 next_pc_offset = pc_offset + ((NativeCallReg *) inst)->next_instruction_offset();
635 } else { 633 } else {
636 tty->print_cr("at pc_offset %d", pc_offset);
637 fatal("unsupported type of instruction for call site"); 634 fatal("unsupported type of instruction for call site");
638 } 635 }
639 636
640 if (target->is_a(SystemDictionary::HotSpotInstalledCode_klass())) { 637 if (target->is_a(SystemDictionary::HotSpotInstalledCode_klass())) {
641 assert(inst->is_jump(), "jump expected"); 638 assert(inst->is_jump(), "jump expected");