--- old/src/cpu/x86/vm/relocInfo_x86.cpp 2011-03-25 19:58:42.604465000 -0700 +++ new/src/cpu/x86/vm/relocInfo_x86.cpp 2011-03-25 19:58:42.443826000 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -182,41 +182,44 @@ void poll_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) { #ifdef _LP64 - typedef Assembler::WhichOperand WhichOperand; - WhichOperand which = (WhichOperand) format(); - // This format is imm but it is really disp32 - which = Assembler::disp32_operand; - address orig_addr = old_addr_for(addr(), src, dest); - NativeInstruction* oni = nativeInstruction_at(orig_addr); - int32_t* orig_disp = (int32_t*) Assembler::locate_operand(orig_addr, which); - // This poll_addr is incorrect by the size of the instruction it is irrelevant - intptr_t poll_addr = (intptr_t)oni + *orig_disp; - - NativeInstruction* ni = nativeInstruction_at(addr()); - intptr_t new_disp = poll_addr - (intptr_t) ni; + if (!Assembler::is_polling_page_far()) { + typedef Assembler::WhichOperand WhichOperand; + WhichOperand which = (WhichOperand) format(); + // This format is imm but it is really disp32 + which = Assembler::disp32_operand; + address orig_addr = old_addr_for(addr(), src, dest); + NativeInstruction* oni = nativeInstruction_at(orig_addr); + int32_t* orig_disp = (int32_t*) Assembler::locate_operand(orig_addr, which); + // This poll_addr is incorrect by the size of the instruction it is irrelevant + intptr_t poll_addr = (intptr_t)oni + *orig_disp; - int32_t* disp = (int32_t*) Assembler::locate_operand(addr(), which); - * disp = (int32_t)new_disp; + NativeInstruction* ni = nativeInstruction_at(addr()); + intptr_t new_disp = poll_addr - (intptr_t) ni; + int32_t* disp = (int32_t*) Assembler::locate_operand(addr(), which); + * disp = (int32_t)new_disp; + } #endif // _LP64 } void poll_return_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) { #ifdef _LP64 - typedef Assembler::WhichOperand WhichOperand; - WhichOperand which = (WhichOperand) format(); - // This format is imm but it is really disp32 - which = Assembler::disp32_operand; - address orig_addr = old_addr_for(addr(), src, dest); - NativeInstruction* oni = nativeInstruction_at(orig_addr); - int32_t* orig_disp = (int32_t*) Assembler::locate_operand(orig_addr, which); - // This poll_addr is incorrect by the size of the instruction it is irrelevant - intptr_t poll_addr = (intptr_t)oni + *orig_disp; + if (!Assembler::is_polling_page_far()) { + typedef Assembler::WhichOperand WhichOperand; + WhichOperand which = (WhichOperand) format(); + // This format is imm but it is really disp32 + which = Assembler::disp32_operand; + address orig_addr = old_addr_for(addr(), src, dest); + NativeInstruction* oni = nativeInstruction_at(orig_addr); + int32_t* orig_disp = (int32_t*) Assembler::locate_operand(orig_addr, which); + // This poll_addr is incorrect by the size of the instruction it is irrelevant + intptr_t poll_addr = (intptr_t)oni + *orig_disp; - NativeInstruction* ni = nativeInstruction_at(addr()); - intptr_t new_disp = poll_addr - (intptr_t) ni; + NativeInstruction* ni = nativeInstruction_at(addr()); + intptr_t new_disp = poll_addr - (intptr_t) ni; - int32_t* disp = (int32_t*) Assembler::locate_operand(addr(), which); - * disp = (int32_t)new_disp; + int32_t* disp = (int32_t*) Assembler::locate_operand(addr(), which); + * disp = (int32_t)new_disp; + } #endif // _LP64 }