OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [testsuite/] [gdb.arch/] [i386-prologue.c] - Blame information for rev 834

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 227 jeremybenn
/* Unwinder test program.
2
 
3
   Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010
4
   Free Software Foundation, Inc.
5
 
6
   This file is part of GDB.
7
 
8
   This program is free software; you can redistribute it and/or modify
9
   it under the terms of the GNU General Public License as published by
10
   the Free Software Foundation; either version 3 of the License, or
11
   (at your option) any later version.
12
 
13
   This program is distributed in the hope that it will be useful,
14
   but WITHOUT ANY WARRANTY; without even the implied warranty of
15
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
   GNU General Public License for more details.
17
 
18
   You should have received a copy of the GNU General Public License
19
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
20
 
21
#ifdef SYMBOL_PREFIX
22
#define SYMBOL(str)     SYMBOL_PREFIX #str
23
#else
24
#define SYMBOL(str)     #str
25
#endif
26
 
27
void gdb1253 (void);
28
void gdb1718 (void);
29
void gdb1338 (void);
30
void jump_at_beginning (void);
31
 
32
int
33
main (void)
34
{
35
  standard ();
36
  stack_align_ecx ();
37
  stack_align_edx ();
38
  stack_align_eax ();
39
  gdb1253 ();
40
  gdb1718 ();
41
  gdb1338 ();
42
  jump_at_beginning ();
43
  return 0;
44
}
45
 
46
/* A normal prologue.  */
47
 
48
asm(".text\n"
49
    "    .align 8\n"
50
    SYMBOL (standard) ":\n"
51
    "    pushl %ebp\n"
52
    "    movl  %esp, %ebp\n"
53
    "    pushl %edi\n"
54
    "    int   $0x03\n"
55
    "    leave\n"
56
    "    ret\n");
57
 
58
/* Relevant part of the prologue from symtab/1253.  */
59
 
60
asm(".text\n"
61
    "    .align 8\n"
62
    SYMBOL (gdb1253) ":\n"
63
    "    pushl %ebp\n"
64
    "    xorl  %ecx, %ecx\n"
65
    "    movl  %esp, %ebp\n"
66
    "    pushl %edi\n"
67
    "    int   $0x03\n"
68
    "    leave\n"
69
    "    ret\n");
70
 
71
/* Relevant part of the prologue from backtrace/1718.  */
72
 
73
asm(".text\n"
74
    "    .align 8\n"
75
    SYMBOL (gdb1718) ":\n"
76
    "    pushl %ebp\n"
77
    "    movl  $0x11111111, %eax\n"
78
    "    movl  %esp, %ebp\n"
79
    "    pushl %esi\n"
80
    "    movl  $0x22222222, %esi\n"
81
    "    pushl %ebx\n"
82
    "    int   $0x03\n"
83
    "    leave\n"
84
    "    ret\n");
85
 
86
/* Relevant part of the prologue from backtrace/1338.  */
87
 
88
asm(".text\n"
89
    "    .align 8\n"
90
    SYMBOL (gdb1338) ":\n"
91
    "    pushl %edi\n"
92
    "    pushl %esi\n"
93
    "    pushl %ebx\n"
94
    "    int   $0x03\n"
95
    "    popl  %ebx\n"
96
    "    popl  %esi\n"
97
    "    popl  %edi\n"
98
    "    ret\n");
99
 
100
/* The purpose of this function is to verify that, during prologue
101
   skip, GDB does not follow a jump at the beginnning of the "real"
102
   code.  */
103
 
104
asm(".text\n"
105
    "    .align 8\n"
106
    SYMBOL (jump_at_beginning) ":\n"
107
    "    pushl %ebp\n"
108
    "    movl  %esp,%ebp\n"
109
    "    jmp   .gdbjump\n"
110
    "    nop\n"
111
    ".gdbjump:\n"
112
    "    movl  %ebp,%esp\n"
113
    "    popl  %ebp\n"
114
    "    ret\n");
115
 
116
asm(".text\n"
117
    "    .align 8\n"
118
    SYMBOL (stack_align_ecx) ":\n"
119
    "    leal  4(%esp), %ecx\n"
120
    "    andl  $-16, %esp\n"
121
    "    pushl -4(%ecx)\n"
122
    "    pushl %ebp\n"
123
    "    movl  %esp, %ebp\n"
124
    "    pushl %edi\n"
125
    "    pushl %ecx\n"
126
    "    int   $0x03\n"
127
    "    popl  %ecx\n"
128
    "    popl  %edi\n"
129
    "    popl  %ebp\n"
130
    "    leal  -4(%ecx), %esp\n"
131
    "    ret\n");
132
 
133
asm(".text\n"
134
    "    .align 8\n"
135
    SYMBOL (stack_align_edx) ":\n"
136
    "    leal  4(%esp), %edx\n"
137
    "    andl  $-16, %esp\n"
138
    "    pushl -4(%edx)\n"
139
    "    pushl %ebp\n"
140
    "    movl  %esp, %ebp\n"
141
    "    pushl %edi\n"
142
    "    pushl %ecx\n"
143
    "    int   $0x03\n"
144
    "    popl  %ecx\n"
145
    "    popl  %edi\n"
146
    "    popl  %ebp\n"
147
    "    leal  -4(%edx), %esp\n"
148
    "    ret\n");
149
 
150
asm(".text\n"
151
    "    .align 8\n"
152
    SYMBOL (stack_align_eax) ":\n"
153
    "    leal  4(%esp), %eax\n"
154
    "    andl  $-16, %esp\n"
155
    "    pushl -4(%eax)\n"
156
    "    pushl %ebp\n"
157
    "    movl  %esp, %ebp\n"
158
    "    pushl %edi\n"
159
    "    pushl %ecx\n"
160
    "    int   $0x03\n"
161
    "    popl  %ecx\n"
162
    "    popl  %edi\n"
163
    "    popl  %ebp\n"
164
    "    leal  -4(%eax), %esp\n"
165
    "    ret\n");
166
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.