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https://sourceware.org/git/binutils-gdb.git
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28e7fd6234
Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/* This file is part of GDB, the GNU debugger.
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Copyright 2008-2013 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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#include <stdio.h>
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int main()
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{
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unsigned int word = 0;
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unsigned int *word_addr = &word;
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unsigned long dword = 0;
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unsigned long *dword_addr = &dword;
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__asm __volatile ("1: lwarx %0,0,%2\n" \
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" addi %0,%0,1\n" \
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" stwcx. %0,0,%2\n" \
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" bne- 1b" \
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: "=&b" (word), "=m" (*word_addr) \
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: "b" (word_addr), "m" (*word_addr) \
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: "cr0", "memory"); \
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__asm __volatile ("1: ldarx %0,0,%2\n" \
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" addi %0,%0,1\n" \
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" stdcx. %0,0,%2\n" \
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" bne- 1b" \
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: "=&b" (dword), "=m" (*dword_addr) \
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: "b" (dword_addr), "m" (*dword_addr) \
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: "cr0", "memory"); \
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return 0;
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}
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