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5625b943 DJ |
1 | /* Unwinder test program. |
2 | ||
7b6bb8da | 3 | Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. |
5625b943 DJ |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
5625b943 | 10 | (at your option) any later version. |
a9762ec7 | 11 | |
5625b943 DJ |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
a9762ec7 | 16 | |
5625b943 | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
5625b943 DJ |
19 | |
20 | #ifdef SYMBOL_PREFIX | |
21 | #define SYMBOL(str) SYMBOL_PREFIX #str | |
22 | #else | |
23 | #define SYMBOL(str) #str | |
24 | #endif | |
25 | ||
26 | void gdb2029 (void); | |
27 | ||
28 | int | |
29 | main (void) | |
30 | { | |
31 | gdb2029 (); | |
4e463ff5 | 32 | optimized_1 (); |
5625b943 DJ |
33 | return 0; |
34 | } | |
35 | ||
4e463ff5 DJ |
36 | void |
37 | optimized_1_marker (void) | |
38 | { | |
39 | } | |
40 | ||
41 | void | |
42 | gdb2029_marker (void) | |
43 | { | |
44 | } | |
45 | ||
5625b943 DJ |
46 | /* A typical PIC prologue from GCC. */ |
47 | ||
48 | asm(".text\n" | |
4e463ff5 | 49 | " .p2align 3\n" |
5625b943 | 50 | SYMBOL (gdb2029) ":\n" |
4e463ff5 | 51 | " stwu %r1, -32(%r1)\n" |
5625b943 DJ |
52 | " mflr %r0\n" |
53 | " bcl- 20,31,.+4\n" | |
54 | " stw %r30, 24(%r1)\n" | |
55 | " mflr %r30\n" | |
56 | " stw %r0, 36(%r1)\n" | |
4e463ff5 | 57 | " bl gdb2029_marker\n" |
5625b943 DJ |
58 | " lwz %r0, 36(%r1)\n" |
59 | " lwz %r30, 24(%r1)\n" | |
60 | " mtlr %r0\n" | |
4e463ff5 DJ |
61 | " addi %r1, %r1, 32\n" |
62 | " blr"); | |
63 | ||
64 | /* A heavily scheduled prologue. */ | |
65 | asm(".text\n" | |
66 | " .p2align 3\n" | |
67 | SYMBOL (optimized_1) ":\n" | |
68 | " stwu %r1,-32(%r1)\n" | |
69 | " lis %r9,-16342\n" | |
70 | " lis %r11,-16342\n" | |
71 | " mflr %r0\n" | |
72 | " addi %r11,%r11,3776\n" | |
73 | " stmw %r27,12(%r1)\n" | |
74 | " addi %r31,%r9,3152\n" | |
75 | " cmplw %cr7,%r31,%r11\n" | |
76 | " stw %r0,36(%r1)\n" | |
77 | " mr %r30,%r3\n" | |
78 | " bl optimized_1_marker\n" | |
79 | " lwz %r0,36(%r1)\n" | |
80 | " lmw %r27,12(%r1)\n" | |
81 | " addi %r1,%r1,32\n" | |
5625b943 | 82 | " blr"); |