| /* This testcase is part of GDB, the GNU debugger. |
| |
| Copyright 2008-2016 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/>. */ |
| |
| /* |
| * Test restoration of machine state |
| */ |
| |
| extern void hide (int); |
| |
| /* Test register variable |
| Requires -- compiler honors 'register'. */ |
| |
| void |
| register_state (void) |
| { |
| register int a = 0; |
| |
| hide (a); /* External function to defeat optimization. */ |
| a++; /* register_state: set breakpoint here */ |
| hide (a); /* register post-change */ |
| } |
| |
| /* Test auto variable (whatever that means). */ |
| |
| void |
| auto_state (void) |
| { |
| auto int a = 0; |
| |
| hide (a); /* External function to defeat optimization. */ |
| a++; /* auto_state: set breakpoint here */ |
| hide (a); /* auto post-change */ |
| } |
| |
| /* Test function-static variable. */ |
| |
| void |
| function_static_state (void) |
| { |
| static int a = 0; |
| |
| hide (a); /* External function to defeat optimization. */ |
| a++; /* function_static_state: set breakpoint here */ |
| hide (a); /* function static post-change */ |
| } |
| |
| /* Test module-static variable. */ |
| |
| static int astatic; |
| |
| void |
| module_static_state (void) |
| { |
| astatic = 0; |
| |
| hide (astatic); /* External function to defeat optimization. */ |
| astatic++; /* module_static_state: set breakpoint here */ |
| hide (astatic); /* module static post-change */ |
| } |
| |
| /* Test module-global variable. */ |
| |
| int aglobal; |
| |
| void |
| module_global_state (void) |
| { |
| aglobal = 0; |
| |
| hide (aglobal); /* External function to defeat optimization. */ |
| aglobal++; /* module_global_state: set breakpoint here */ |
| hide (aglobal); /* module global post-change */ |
| } |
| |
| /* main test driver */ |
| |
| int |
| main (int argc, char **argv) |
| { |
| register_state (); /* begin main */ |
| auto_state (); |
| function_static_state (); |
| module_static_state (); |
| module_global_state (); |
| |
| return 0; /* end main */ |
| } |