1 //
2 // Copyright 1999-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 // CA 95054 USA or visit www.sun.com if you need additional information or
21 // have any questions.
22 //
45 // opcode keyword to specify, in order, their primary, secondary, and
46 // tertiary opcode. Only the opcode sections which a particular instruction
47 // needs for encoding need to be specified.
48 encode %{
49 // Build emit functions for each basic byte or larger field in the intel
50 // encoding scheme (opcode, rm, sib, immediate), and call them from C++
51 // code in the enc_class source block. Emit functions will live in the
52 // main source block for now. In future, we can generalize this by
53 // adding a syntax that specifies the sizes of fields in an order,
54 // so that the adlc can build the emit functions automagically
55
56 enc_class solaris_tlsencode (eRegP dst) %{
57 Register dstReg = as_Register($dst$$reg);
58 MacroAssembler* masm = new MacroAssembler(&cbuf);
59 masm->get_thread(dstReg);
60 %}
61
62 enc_class solaris_breakpoint %{
63 MacroAssembler* masm = new MacroAssembler(&cbuf);
64 // Really need to fix this
65 masm->pushl(rax);
66 masm->pushl(rcx);
67 masm->pushl(rdx);
68 masm->call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
69 masm->popl(rdx);
70 masm->popl(rcx);
71 masm->popl(rax);
72 %}
73
74 enc_class call_epilog %{
75 if( VerifyStackAtCalls ) {
76 // Check that stack depth is unchanged: find majik cookie on stack
77 int framesize = ra_->reg2offset_unchecked(OptoReg::add(ra_->_matcher._old_SP,-3*VMRegImpl::slots_per_word));
78 if(framesize >= 128) {
79 emit_opcode(cbuf, 0x81); // cmp [esp+0],0xbadb1ood
80 emit_d8(cbuf,0xBC);
81 emit_d8(cbuf,0x24);
82 emit_d32(cbuf,framesize); // Find majik cookie from ESP
83 emit_d32(cbuf, 0xbadb100d);
84 }
85 else {
86 emit_opcode(cbuf, 0x81); // cmp [esp+0],0xbadb1ood
87 emit_d8(cbuf,0x7C);
88 emit_d8(cbuf,0x24);
89 emit_d8(cbuf,framesize); // Find majik cookie from ESP
90 emit_d32(cbuf, 0xbadb100d);
91 }
93 // QQQ TODO
94 const int jump_around = 11; // size of call to breakpoint (and register preserve), 1 for CC
95 emit_opcode(cbuf,0x74);
96 emit_d8(cbuf, jump_around);
97 // QQQ temporary
98 emit_break(cbuf);
99 // Die if stack mismatch
100 // emit_opcode(cbuf,0xCC);
101 }
102 %}
103
104 %}
105
106 // INSTRUCTIONS -- Platform dependent
107
108 //----------OS and Locking Instructions----------------------------------------
109
110 // This name is KNOWN by the ADLC and cannot be changed.
111 // The ADLC forces a 'TypeRawPtr::BOTTOM' output type
112 // for this guy.
113 instruct tlsLoadP(eAXRegP dst, eFlagsReg cr) %{
114 match(Set dst (ThreadLocal));
115 effect(DEF dst, KILL cr);
116
117 format %{ "MOV EAX, Thread::current()" %}
118 ins_encode( solaris_tlsencode(dst) );
119 ins_pipe( ialu_reg_fat );
120 %}
121
122 instruct TLS(eAXRegP dst) %{
123 match(Set dst (ThreadLocal));
124
125 expand %{
126 tlsLoadP(dst);
127 %}
128 %}
129
130 // Die now
131 instruct ShouldNotReachHere( )
132 %{
133 match(Halt);
134
135 // Use the following format syntax
136 format %{ "INT3 ; ShouldNotReachHere" %}
137 // QQQ TODO for now call breakpoint
138 // opcode(0xCC);
139 // ins_encode(Opc);
140 ins_encode(solaris_breakpoint);
141 ins_pipe( pipe_slow );
142 %}
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1 //
2 // Copyright 1999-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 // CA 95054 USA or visit www.sun.com if you need additional information or
21 // have any questions.
22 //
45 // opcode keyword to specify, in order, their primary, secondary, and
46 // tertiary opcode. Only the opcode sections which a particular instruction
47 // needs for encoding need to be specified.
48 encode %{
49 // Build emit functions for each basic byte or larger field in the intel
50 // encoding scheme (opcode, rm, sib, immediate), and call them from C++
51 // code in the enc_class source block. Emit functions will live in the
52 // main source block for now. In future, we can generalize this by
53 // adding a syntax that specifies the sizes of fields in an order,
54 // so that the adlc can build the emit functions automagically
55
56 enc_class solaris_tlsencode (eRegP dst) %{
57 Register dstReg = as_Register($dst$$reg);
58 MacroAssembler* masm = new MacroAssembler(&cbuf);
59 masm->get_thread(dstReg);
60 %}
61
62 enc_class solaris_breakpoint %{
63 MacroAssembler* masm = new MacroAssembler(&cbuf);
64 // Really need to fix this
65 masm->push(rax);
66 masm->push(rcx);
67 masm->push(rdx);
68 masm->call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
69 masm->pop(rdx);
70 masm->pop(rcx);
71 masm->pop(rax);
72 %}
73
74 enc_class call_epilog %{
75 if( VerifyStackAtCalls ) {
76 // Check that stack depth is unchanged: find majik cookie on stack
77 int framesize = ra_->reg2offset_unchecked(OptoReg::add(ra_->_matcher._old_SP,-3*VMRegImpl::slots_per_word));
78 if(framesize >= 128) {
79 emit_opcode(cbuf, 0x81); // cmp [esp+0],0xbadb1ood
80 emit_d8(cbuf,0xBC);
81 emit_d8(cbuf,0x24);
82 emit_d32(cbuf,framesize); // Find majik cookie from ESP
83 emit_d32(cbuf, 0xbadb100d);
84 }
85 else {
86 emit_opcode(cbuf, 0x81); // cmp [esp+0],0xbadb1ood
87 emit_d8(cbuf,0x7C);
88 emit_d8(cbuf,0x24);
89 emit_d8(cbuf,framesize); // Find majik cookie from ESP
90 emit_d32(cbuf, 0xbadb100d);
91 }
93 // QQQ TODO
94 const int jump_around = 11; // size of call to breakpoint (and register preserve), 1 for CC
95 emit_opcode(cbuf,0x74);
96 emit_d8(cbuf, jump_around);
97 // QQQ temporary
98 emit_break(cbuf);
99 // Die if stack mismatch
100 // emit_opcode(cbuf,0xCC);
101 }
102 %}
103
104 %}
105
106 // INSTRUCTIONS -- Platform dependent
107
108 //----------OS and Locking Instructions----------------------------------------
109
110 // This name is KNOWN by the ADLC and cannot be changed.
111 // The ADLC forces a 'TypeRawPtr::BOTTOM' output type
112 // for this guy.
113 instruct tlsLoadP(eRegP dst, eFlagsReg cr) %{
114 match(Set dst (ThreadLocal));
115 effect(DEF dst, KILL cr);
116
117 format %{ "MOV $dst, Thread::current()" %}
118 ins_encode( solaris_tlsencode(dst) );
119 ins_pipe( ialu_reg_fat );
120 %}
121
122 instruct TLS(eRegP dst) %{
123 match(Set dst (ThreadLocal));
124
125 expand %{
126 tlsLoadP(dst);
127 %}
128 %}
129
130 // Die now
131 instruct ShouldNotReachHere( )
132 %{
133 match(Halt);
134
135 // Use the following format syntax
136 format %{ "INT3 ; ShouldNotReachHere" %}
137 // QQQ TODO for now call breakpoint
138 // opcode(0xCC);
139 // ins_encode(Opc);
140 ins_encode(solaris_breakpoint);
141 ins_pipe( pipe_slow );
142 %}
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