1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2018-2023 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 struct wrapper 19 { 20 int a; 21 }; 22 23 /* Create a global variable whose name in the assembly code 24 (aka the "linkage name") is different from the name in 25 the source code. The goal is to create a symbol described 26 in DWARF using a DW_AT_linkage_name attribute, with a name 27 which follows the C++ mangling. 28 29 In this particular case, we chose "symada__cS" which, if it were 30 demangled, would translate to "symada (char, signed)". */ 31 struct wrapper mundane asm ("symada__cS") = {0x060287af}; 32 33 void 34 do_something (struct wrapper *w) 35 { 36 w->a++; 37 } 38 39 extern void do_something_other_cu (void); 40 41 void 42 do_something_other_cu (void) 43 { 44 do_something (&mundane); 45 } 46