1*11efff7fSkettenis /* Unwinder test program.
2*11efff7fSkettenis
3*11efff7fSkettenis Copyright 2003, 2004 Free Software Foundation, Inc.
4*11efff7fSkettenis
5*11efff7fSkettenis This file is part of GDB.
6*11efff7fSkettenis
7*11efff7fSkettenis This program is free software; you can redistribute it and/or modify
8*11efff7fSkettenis it under the terms of the GNU General Public License as published by
9*11efff7fSkettenis the Free Software Foundation; either version 2 of the License, or
10*11efff7fSkettenis (at your option) any later version.
11*11efff7fSkettenis
12*11efff7fSkettenis This program is distributed in the hope that it will be useful,
13*11efff7fSkettenis but WITHOUT ANY WARRANTY; without even the implied warranty of
14*11efff7fSkettenis MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15*11efff7fSkettenis GNU General Public License for more details.
16*11efff7fSkettenis
17*11efff7fSkettenis You should have received a copy of the GNU General Public License
18*11efff7fSkettenis along with this program; if not, write to the Free Software
19*11efff7fSkettenis Foundation, Inc., 59 Temple Place - Suite 330,
20*11efff7fSkettenis Boston, MA 02111-1307, USA. */
21*11efff7fSkettenis
22*11efff7fSkettenis #ifdef SYMBOL_PREFIX
23*11efff7fSkettenis #define SYMBOL(str) SYMBOL_PREFIX #str
24*11efff7fSkettenis #else
25*11efff7fSkettenis #define SYMBOL(str) #str
26*11efff7fSkettenis #endif
27*11efff7fSkettenis
28b725ae77Skettenis void gdb1253 (void);
29*11efff7fSkettenis void gdb1718 (void);
30b725ae77Skettenis void gdb1338 (void);
31*11efff7fSkettenis void jump_at_beginning (void);
32b725ae77Skettenis
33b725ae77Skettenis int
main(void)34b725ae77Skettenis main (void)
35b725ae77Skettenis {
36*11efff7fSkettenis standard ();
37b725ae77Skettenis gdb1253 ();
38*11efff7fSkettenis gdb1718 ();
39b725ae77Skettenis gdb1338 ();
40*11efff7fSkettenis jump_at_beginning ();
41b725ae77Skettenis return 0;
42b725ae77Skettenis }
43b725ae77Skettenis
44*11efff7fSkettenis /* A normal prologue. */
45*11efff7fSkettenis
46*11efff7fSkettenis asm(".text\n"
47*11efff7fSkettenis " .align 8\n"
48*11efff7fSkettenis SYMBOL (standard) ":\n"
49*11efff7fSkettenis " pushl %ebp\n"
50*11efff7fSkettenis " movl %esp, %ebp\n"
51*11efff7fSkettenis " pushl %edi\n"
52*11efff7fSkettenis " int $0x03\n"
53*11efff7fSkettenis " leave\n"
54*11efff7fSkettenis " ret\n");
55*11efff7fSkettenis
56b725ae77Skettenis /* Relevant part of the prologue from symtab/1253. */
57b725ae77Skettenis
58b725ae77Skettenis asm(".text\n"
59b725ae77Skettenis " .align 8\n"
60*11efff7fSkettenis SYMBOL (gdb1253) ":\n"
61b725ae77Skettenis " pushl %ebp\n"
62b725ae77Skettenis " xorl %ecx, %ecx\n"
63b725ae77Skettenis " movl %esp, %ebp\n"
64b725ae77Skettenis " pushl %edi\n"
65b725ae77Skettenis " int $0x03\n"
66b725ae77Skettenis " leave\n"
67b725ae77Skettenis " ret\n");
68b725ae77Skettenis
69*11efff7fSkettenis /* Relevant part of the prologue from backtrace/1718. */
70*11efff7fSkettenis
71*11efff7fSkettenis asm(".text\n"
72*11efff7fSkettenis " .align 8\n"
73*11efff7fSkettenis SYMBOL (gdb1718) ":\n"
74*11efff7fSkettenis " pushl %ebp\n"
75*11efff7fSkettenis " movl $0x11111111, %eax\n"
76*11efff7fSkettenis " movl %esp, %ebp\n"
77*11efff7fSkettenis " pushl %esi\n"
78*11efff7fSkettenis " movl $0x22222222, %esi\n"
79*11efff7fSkettenis " pushl %ebx\n"
80*11efff7fSkettenis " int $0x03\n"
81*11efff7fSkettenis " leave\n"
82*11efff7fSkettenis " ret\n");
83*11efff7fSkettenis
84b725ae77Skettenis /* Relevant part of the prologue from backtrace/1338. */
85b725ae77Skettenis
86b725ae77Skettenis asm(".text\n"
87b725ae77Skettenis " .align 8\n"
88*11efff7fSkettenis SYMBOL (gdb1338) ":\n"
89b725ae77Skettenis " pushl %edi\n"
90b725ae77Skettenis " pushl %esi\n"
91b725ae77Skettenis " pushl %ebx\n"
92b725ae77Skettenis " int $0x03\n"
93b725ae77Skettenis " popl %ebx\n"
94b725ae77Skettenis " popl %esi\n"
95b725ae77Skettenis " popl %edi\n"
96b725ae77Skettenis " ret\n");
97*11efff7fSkettenis
98*11efff7fSkettenis /* The purpose of this function is to verify that, during prologue
99*11efff7fSkettenis skip, GDB does not follow a jump at the beginnning of the "real"
100*11efff7fSkettenis code. */
101*11efff7fSkettenis
102*11efff7fSkettenis asm(".text\n"
103*11efff7fSkettenis " .align 8\n"
104*11efff7fSkettenis SYMBOL (jump_at_beginning) ":\n"
105*11efff7fSkettenis " pushl %ebp\n"
106*11efff7fSkettenis " movl %esp,%ebp\n"
107*11efff7fSkettenis " jmp .gdbjump\n"
108*11efff7fSkettenis " nop\n"
109*11efff7fSkettenis ".gdbjump:\n"
110*11efff7fSkettenis " movl %ebp,%esp\n"
111*11efff7fSkettenis " popl %ebp\n"
112*11efff7fSkettenis " ret\n");
113