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3d92a3e3 AB |
1 | /* Copyright 2019-2020 Free Software Foundation, Inc. |
2 | ||
3 | This program is free software; you can redistribute it and/or modify | |
4 | it under the terms of the GNU General Public License as published by | |
5 | the Free Software Foundation; either version 3 of the License, or | |
6 | (at your option) any later version. | |
7 | ||
8 | This program is distributed in the hope that it will be useful, | |
9 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | GNU General Public License for more details. | |
12 | ||
13 | You should have received a copy of the GNU General Public License | |
14 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
15 | ||
16 | /* This test relies on foo being inlined into main and bar not being | |
17 | inlined. The test is checking GDB's behaviour as we single step from | |
18 | main through foo and into bar. */ | |
19 | ||
20 | volatile int global_var; | |
21 | ||
22 | int __attribute__ ((noinline)) | |
23 | bar () | |
24 | { /* bar prologue */ | |
25 | asm ("bar_label: .globl bar_label"); | |
26 | return global_var; /* bar return global_var */ | |
27 | } /* bar end */ | |
28 | ||
29 | static inline int __attribute__ ((always_inline)) | |
30 | foo () | |
31 | { /* foo prologue */ | |
32 | return bar (); /* foo call bar */ | |
33 | } /* foo end */ | |
34 | ||
35 | int | |
36 | main () | |
37 | { /* main prologue */ | |
38 | int ans; | |
39 | asm ("main_label: .globl main_label"); | |
40 | global_var = 0; /* main set global_var */ | |
41 | asm ("main_label2: .globl main_label2"); | |
42 | ans = foo (); /* main call foo */ | |
43 | asm ("main_label3: .globl main_label3"); | |
44 | return ans; | |
45 | } /* main end */ |