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405f8e94 SS |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
32d0add0 | 3 | Copyright 2011-2015 Free Software Foundation, Inc. |
405f8e94 SS |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #ifdef SYMBOL_PREFIX | |
19 | #define SYMBOL(str) SYMBOL_PREFIX #str | |
20 | #else | |
21 | #define SYMBOL(str) #str | |
22 | #endif | |
23 | ||
24 | int globvar; | |
25 | ||
26 | static void | |
27 | begin (void) | |
28 | {} | |
29 | ||
30 | /* Called from asm. */ | |
31 | static void __attribute__((used)) | |
32 | func (void) | |
33 | {} | |
34 | ||
35 | static void | |
36 | marker (int anarg) | |
37 | { | |
38 | /* `set_point' is the label at which to set a fast tracepoint. The | |
39 | insn at the label must be large enough to fit a fast tracepoint | |
40 | jump. */ | |
41 | asm (" .global " SYMBOL(set_point) "\n" | |
42 | SYMBOL(set_point) ":\n" | |
43 | #if (defined __x86_64__ || defined __i386__) | |
44 | " call " SYMBOL(func) "\n" | |
45 | #endif | |
46 | ); | |
47 | ||
48 | ++anarg; | |
49 | ||
50 | /* Set up a known 4-byte instruction so we can try to set a shorter | |
51 | fast tracepoint at it. */ | |
52 | asm (" .global " SYMBOL(four_byter) "\n" | |
53 | SYMBOL(four_byter) ":\n" | |
54 | #if (defined __i386__) | |
55 | " cmpl $0x1,0x8(%ebp) \n" | |
56 | #endif | |
57 | ); | |
58 | } | |
59 | ||
60 | static void | |
61 | end (void) | |
62 | {} | |
63 | ||
64 | int | |
65 | main () | |
66 | { | |
67 | begin (); | |
68 | ||
69 | for (globvar = 1; globvar < 11; ++globvar) | |
70 | { | |
71 | marker (globvar * 100); | |
72 | } | |
73 | ||
74 | end (); | |
75 | return 0; | |
76 | } |