1/* Copyright (c) 2007, Google Inc.
2 * All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/* stackwalker_selftest_sol.s
32 * On Solaris, the recommeded compiler is CC, so we can not use gcc inline
33 * asm, use this method instead.
34 *
35 * How to compile: as -P -L -D_ASM -D_STDC -K PIC -o \
36 *                 src/processor/stackwalker_selftest_sol.o \
37 *                 src/processor/stackwalker_selftest_sol.s
38 *
39 * Author: Michael Shang
40 */
41
42#include <sys/asm_linkage.h>
43
44#if defined(__i386)
45
46
47ENTRY(GetEBP)
48      pushl    %ebp
49      movl     %esp,%ebp
50      subl     $0x00000004,%esp
51      movl     0x00000000(%ebp),%eax
52      movl     %eax,0xfffffffc(%ebp)
53      movl     0xfffffffc(%ebp),%eax
54      leave
55      ret
56SET_SIZE(GetEBP)
57
58ENTRY(GetEIP)
59      pushl    %ebp
60      movl     %esp,%ebp
61      subl     $0x00000004,%esp
62      movl     0x00000004(%ebp),%eax
63      movl     %eax,0xfffffffc(%ebp)
64      movl     0xfffffffc(%ebp),%eax
65      leave
66      ret
67SET_SIZE(GetEIP)
68
69ENTRY(GetESP)
70      pushl    %ebp
71      movl     %esp,%ebp
72      subl     $0x00000004,%esp
73      movl     %ebp,%eax
74      movl     %eax,0xfffffffc(%ebp)
75      movl     0xfffffffc(%ebp),%eax
76      addl     $0x00000008,%eax
77      leave
78      ret
79SET_SIZE(GetESP)
80
81
82#elif defined(__sparc)
83
84
85ENTRY(GetPC)
86      save     %sp, -120, %sp
87      mov      %i7, %i4
88      inccc    8, %i4
89      mov      %i4, %i0
90      ret
91      restore
92SET_SIZE(GetPC)
93
94ENTRY(GetSP)
95      save     %sp, -120, %sp
96      mov      %fp, %i4
97      mov      %i4, %i0
98      ret
99      restore
100SET_SIZE(GetSP)
101
102ENTRY(GetFP)
103      save     %sp, -120, %sp
104      ld       [%fp + 56], %g1
105      mov      %g1, %i0
106      ret
107      restore
108SET_SIZE(GetFP)
109
110
111#endif  // __i386 || __sparc
112