--- old/src/os_cpu/linux_x86/vm/assembler_linux_x86.cpp 2015-11-27 02:26:03.830919238 -0500 +++ new/src/os_cpu/linux_x86/vm/assembler_linux_x86.cpp 2015-11-27 02:26:02.046818893 -0500 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2015, 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 @@ -26,85 +26,7 @@ #include "asm/macroAssembler.hpp" #include "asm/macroAssembler.inline.hpp" #include "runtime/os.hpp" -#include "runtime/threadLocalStorage.hpp" -#ifndef _LP64 void MacroAssembler::int3() { call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint))); } - -#ifdef MINIMIZE_RAM_USAGE - -void MacroAssembler::get_thread(Register thread) { - // call pthread_getspecific - // void * pthread_getspecific(pthread_key_t key); - if (thread != rax) push(rax); - push(rcx); - push(rdx); - - push(ThreadLocalStorage::thread_index()); - call(RuntimeAddress(CAST_FROM_FN_PTR(address, pthread_getspecific))); - increment(rsp, wordSize); - - pop(rdx); - pop(rcx); - if (thread != rax) { - mov(thread, rax); - pop(rax); - } -} - -#else -void MacroAssembler::get_thread(Register thread) { - movl(thread, rsp); - shrl(thread, PAGE_SHIFT); - - ExternalAddress tls_base((address)ThreadLocalStorage::sp_map_addr()); - Address index(noreg, thread, Address::times_4); - ArrayAddress tls(tls_base, index); - - movptr(thread, tls); -} -#endif // MINIMIZE_RAM_USAGE -#else -void MacroAssembler::int3() { - call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint))); -} - -void MacroAssembler::get_thread(Register thread) { - // call pthread_getspecific - // void * pthread_getspecific(pthread_key_t key); - if (thread != rax) { - push(rax); - } - push(rdi); - push(rsi); - push(rdx); - push(rcx); - push(r8); - push(r9); - push(r10); - // XXX - mov(r10, rsp); - andq(rsp, -16); - push(r10); - push(r11); - - movl(rdi, ThreadLocalStorage::thread_index()); - call(RuntimeAddress(CAST_FROM_FN_PTR(address, pthread_getspecific))); - - pop(r11); - pop(rsp); - pop(r10); - pop(r9); - pop(r8); - pop(rcx); - pop(rdx); - pop(rsi); - pop(rdi); - if (thread != rax) { - mov(thread, rax); - pop(rax); - } -} -#endif