| 1 | /* This testcase is part of GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright 2011-2015 Free Software Foundation, Inc. |
| 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 | /* Called from asm. */ |
| 25 | static void __attribute__((used)) |
| 26 | func (void) |
| 27 | {} |
| 28 | |
| 29 | static void |
| 30 | marker (void) |
| 31 | { |
| 32 | /* Some code to make sure `b marker' and `b set_point' set |
| 33 | breakpoints at different addresses. */ |
| 34 | int a = 0; |
| 35 | int b = a; |
| 36 | |
| 37 | /* `set_point' is the label where we'll set multiple tracepoints and |
| 38 | breakpoints at. The insn at the label must the large enough to |
| 39 | fit a fast tracepoint jump. */ |
| 40 | asm (" .global " SYMBOL(set_point) "\n" |
| 41 | SYMBOL(set_point) ":\n" |
| 42 | #if (defined __x86_64__ || defined __i386__) |
| 43 | " call " SYMBOL(func) "\n" |
| 44 | #endif |
| 45 | ); |
| 46 | |
| 47 | asm (" .global " SYMBOL(after_set_point) "\n" |
| 48 | SYMBOL(after_set_point) ":\n" |
| 49 | #if (defined __x86_64__ || defined __i386__) |
| 50 | " call " SYMBOL(func) "\n" |
| 51 | #endif |
| 52 | ); |
| 53 | } |
| 54 | |
| 55 | static void |
| 56 | end (void) |
| 57 | {} |
| 58 | |
| 59 | int |
| 60 | main () |
| 61 | { |
| 62 | marker (); |
| 63 | end (); |
| 64 | return 0; |
| 65 | } |