| Index: gdb/common/i386-cpuid.h
|
| diff --git a/gdb/common/i386-cpuid.h b/gdb/common/i386-cpuid.h
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..8bb28c533d3679a2af45c4683a2d49a6ce6f409e
|
| --- /dev/null
|
| +++ b/gdb/common/i386-cpuid.h
|
| @@ -0,0 +1,63 @@
|
| +/* C API for x86 cpuid insn.
|
| + Copyright (C) 2007-2013 Free Software Foundation, Inc.
|
| +
|
| + This file is part of GDB.
|
| +
|
| + This file 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, 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/>. */
|
| +
|
| +#ifndef I386_CPUID_COMMON_H
|
| +#define I386_CPUID_COMMON_H
|
| +
|
| +/* Always include the header for the cpu bit defines. */
|
| +#include "i386-gcc-cpuid.h"
|
| +
|
| +#if defined(__i386__) || defined(__x86_64__)
|
| +
|
| +/* Return cpuid data for requested cpuid level, as found in returned
|
| + eax, ebx, ecx and edx registers. The function checks if cpuid is
|
| + supported and returns 1 for valid cpuid information or 0 for
|
| + unsupported cpuid level. Pointers may be non-null. */
|
| +
|
| +static __inline int
|
| +i386_cpuid (unsigned int __level,
|
| + unsigned int *__eax, unsigned int *__ebx,
|
| + unsigned int *__ecx, unsigned int *__edx)
|
| +{
|
| + unsigned int __scratch;
|
| +
|
| + if (!__eax)
|
| + __eax = &__scratch;
|
| + if (!__ebx)
|
| + __ebx = &__scratch;
|
| + if (!__ecx)
|
| + __ecx = &__scratch;
|
| + if (!__edx)
|
| + __edx = &__scratch;
|
| +
|
| + return __get_cpuid (__level, __eax, __ebx, __ecx, __edx);
|
| +}
|
| +
|
| +#else
|
| +
|
| +static __inline int
|
| +i386_cpuid (unsigned int __level,
|
| + unsigned int *__eax, unsigned int *__ebx,
|
| + unsigned int *__ecx, unsigned int *__edx)
|
| +{
|
| + return 0;
|
| +}
|
| +
|
| +#endif /* i386 && x86_64 */
|
| +
|
| +#endif /* I386_CPUID_COMMON_H */
|
|
|