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102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2008-2017 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/*
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* Test restoration of machine state
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*/
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extern void hide (int);
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/* Test register variable
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Requires -- compiler honors 'register'. */
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void
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register_state (void)
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{
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register int a = 0;
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hide (a); /* External function to defeat optimization. */
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a++; /* register_state: set breakpoint here */
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hide (a); /* register post-change */
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}
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/* Test auto variable (whatever that means). */
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void
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auto_state (void)
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{
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auto int a = 0;
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hide (a); /* External function to defeat optimization. */
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a++; /* auto_state: set breakpoint here */
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hide (a); /* auto post-change */
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}
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/* Test function-static variable. */
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void
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function_static_state (void)
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{
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static int a = 0;
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hide (a); /* External function to defeat optimization. */
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a++; /* function_static_state: set breakpoint here */
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hide (a); /* function static post-change */
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}
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/* Test module-static variable. */
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static int astatic;
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void
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module_static_state (void)
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{
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astatic = 0;
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hide (astatic); /* External function to defeat optimization. */
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astatic++; /* module_static_state: set breakpoint here */
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hide (astatic); /* module static post-change */
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}
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/* Test module-global variable. */
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int aglobal;
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void
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module_global_state (void)
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{
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aglobal = 0;
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hide (aglobal); /* External function to defeat optimization. */
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aglobal++; /* module_global_state: set breakpoint here */
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hide (aglobal); /* module global post-change */
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}
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/* main test driver */
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int
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main (int argc, char **argv)
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{
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register_state (); /* begin main */
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auto_state ();
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function_static_state ();
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module_static_state ();
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module_global_state ();
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return 0; /* end main */
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}
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