1 // 2 // Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. 3 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 // 5 // This code is free software; you can redistribute it and/or modify it 6 // under the terms of the GNU General Public License version 2 only, as 7 // published by the Free Software Foundation. 8 // 9 // This code is distributed in the hope that it will be useful, but WITHOUT 10 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 // version 2 for more details (a copy is included in the LICENSE file that 13 // accompanied this code). 14 // 15 // You should have received a copy of the GNU General Public License version 16 // 2 along with this work; if not, write to the Free Software Foundation, 17 // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 // 19 // Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 // or visit www.oracle.com if you need additional information or have any 21 // questions. 22 // 23 // 24 25 26 // Support for u8 os::setup_fpu() 27 .inline _solaris_raw_setup_fpu,1 28 movl 0(%esp), %eax 29 fldcw (%eax) 30 .end 31 32 // The argument size of each inline directive is ignored by the compiler 33 // and is set to 0 for compatibility reason. 34 35 // Get the raw thread ID from %gs:0 36 .inline _raw_thread_id,0 37 movl %gs:0, %eax 38 .end 39 40 // Get current fp 41 .inline _get_current_fp,0 42 .volatile 43 movl %ebp, %eax 44 .end 45 46 // Support for os::rdtsc() 47 .inline _raw_rdtsc,0 48 rdtsc 49 .end 50 51 // Support for jint Atomic::add(jint inc, volatile jint* dest) 52 // An additional bool (os::is_MP()) is passed as the last argument. 53 .inline _Atomic_add,3 54 movl 0(%esp), %eax // inc 55 movl 4(%esp), %edx // dest 56 movl %eax, %ecx 57 cmpl $0, 8(%esp) // MP test 58 jne 1f 59 xaddl %eax, (%edx) 60 jmp 2f 61 1: lock 62 xaddl %eax, (%edx) 63 2: addl %ecx, %eax 64 .end 65 66 // Support for jint Atomic::xchg(jint exchange_value, volatile jint* dest). 67 .inline _Atomic_xchg,2 68 movl 0(%esp), %eax // exchange_value 69 movl 4(%esp), %ecx // dest 70 xchgl (%ecx), %eax 71 .end 72 73 // Support for jint Atomic::cmpxchg(jint exchange_value, 74 // volatile jint *dest, 75 // jint compare_value) 76 // An additional bool (os::is_MP()) is passed as the last argument. 77 .inline _Atomic_cmpxchg,4 78 movl 8(%esp), %eax // compare_value 79 movl 0(%esp), %ecx // exchange_value 80 movl 4(%esp), %edx // dest 81 cmp $0, 12(%esp) // MP test 82 jne 1f 83 cmpxchgl %ecx, (%edx) 84 jmp 2f 85 1: lock 86 cmpxchgl %ecx, (%edx) 87 2: 88 .end 89 90 // Support for jlong Atomic::cmpxchg(jlong exchange_value, 91 // volatile jlong* dest, 92 // jlong compare_value) 93 // An additional bool (os::is_MP()) is passed as the last argument. 94 .inline _Atomic_cmpxchg_long,6 95 pushl %ebx 96 pushl %edi 97 movl 20(%esp), %eax // compare_value (low) 98 movl 24(%esp), %edx // compare_value (high) 99 movl 16(%esp), %edi // dest 100 movl 8(%esp), %ebx // exchange_value (low) 101 movl 12(%esp), %ecx // exchange_high (high) 102 cmp $0, 28(%esp) // MP test 103 jne 1f 104 cmpxchg8b (%edi) 105 jmp 2f 106 1: lock 107 cmpxchg8b (%edi) 108 2: popl %edi 109 popl %ebx 110 .end 111 112 // Support for jlong Atomic::load and Atomic::store. 113 // void _Atomic_move_long(volatile jlong* src, volatile jlong* dst) 114 .inline _Atomic_move_long,2 115 movl 0(%esp), %eax // src 116 fildll (%eax) 117 movl 4(%esp), %eax // dest 118 fistpll (%eax) 119 .end 120 121 // Support for OrderAccess::acquire() 122 .inline _OrderAccess_acquire,0 123 movl 0(%esp), %eax 124 .end 125 126 // Support for OrderAccess::fence() 127 .inline _OrderAccess_fence,0 128 lock 129 addl $0, (%esp) 130 .end 131 132 // Support for u2 Bytes::swap_u2(u2 x) 133 .inline _raw_swap_u2,1 134 movl 0(%esp), %eax 135 xchgb %al, %ah 136 .end 137 138 // Support for u4 Bytes::swap_u4(u4 x) 139 .inline _raw_swap_u4,1 140 movl 0(%esp), %eax 141 bswap %eax 142 .end 143 144 // Support for u8 Bytes::swap_u8_base(u4 x, u4 y) 145 .inline _raw_swap_u8,2 146 movl 4(%esp), %eax // y 147 movl 0(%esp), %edx // x 148 bswap %eax 149 bswap %edx 150 .end