51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* Test program for byte registers.
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Copyright 2010-2012 Free Software Foundation, Inc.
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This file is part of GDB.
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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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#include <stdio.h>
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int data[] = {
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0x14131211,
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0x24232221,
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0x34333231,
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0x44434241,
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};
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int
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main (int argc, char **argv)
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{
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asm ("mov 0(%0), %%eax\n\t"
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"mov 4(%0), %%ebx\n\t"
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"mov 8(%0), %%ecx\n\t"
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"mov 12(%0), %%edx\n\t"
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: /* no output operands */
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: "r" (data)
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: "eax", "ebx", "ecx", "edx");
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asm ("nop"); /* first breakpoint here */
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asm ("mov %%eax, 0(%0)\n\t"
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"mov %%ebx, 4(%0)\n\t"
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"mov %%ecx, 8(%0)\n\t"
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"mov %%edx, 12(%0)\n\t"
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: /* no output operands */
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: "r" (data)
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: "eax", "ebx", "ecx", "edx");
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puts ("Bye!"); /* second breakpoint here */
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return 0;
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}
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