| /* This testcase is part of GDB, the GNU debugger. |
| |
| Copyright 2011-2016 Free Software Foundation, Inc. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifdef SYMBOL_PREFIX |
| #define SYMBOL(str) SYMBOL_PREFIX #str |
| #else |
| #define SYMBOL(str) #str |
| #endif |
| |
| /* FAST_TRACEPOINT_LABEL expands to an assembly instruction large enough to fit |
| a fast tracepoint jump. The parameter is the label where we'll set |
| tracepoints and breakpoints. */ |
| |
| #if (defined __x86_64__ || defined __i386__) |
| |
| static void |
| x86_trace_dummy () |
| { |
| int x = 0; |
| int y = x + 4; |
| } |
| |
| #define FAST_TRACEPOINT_LABEL(name) \ |
| asm (" .global " SYMBOL(name) "\n" \ |
| SYMBOL(name) ":\n" \ |
| " call " SYMBOL(x86_trace_dummy) "\n" \ |
| ) |
| |
| #elif (defined __aarch64__) || (defined __powerpc__) |
| |
| #define FAST_TRACEPOINT_LABEL(name) \ |
| asm (" .global " SYMBOL(name) "\n" \ |
| SYMBOL(name) ":\n" \ |
| " nop\n" \ |
| ) |
| |
| #elif (defined __s390__) |
| |
| #define FAST_TRACEPOINT_LABEL(name) \ |
| asm (" .global " SYMBOL(name) "\n" \ |
| SYMBOL(name) ":\n" \ |
| " mvc 0(8, %r15), 0(%r15)\n" \ |
| ) |
| |
| #else |
| |
| #error "unsupported architecture for trace tests" |
| |
| #endif |