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-rw-r--r--gdb/common/i386-xstate.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/gdb/common/i386-xstate.h b/gdb/common/i386-xstate.h
new file mode 100644
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--- /dev/null
+++ b/gdb/common/i386-xstate.h
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+/* Common code for i386 XSAVE extended state.
+
+ Copyright (C) 2010 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ 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/>. */
+
+#ifndef I386_XSTATE_H
+#define I386_XSTATE_H 1
+
+/* The extended state feature bits. */
+#define I386_XSTATE_X87 (1ULL << 0)
+#define I386_XSTATE_SSE (1ULL << 1)
+#define I386_XSTATE_AVX (1ULL << 2)
+
+/* Supported mask and size of the extended state. */
+#define I386_XSTATE_SSE_MASK (I386_XSTATE_X87 | I386_XSTATE_SSE)
+#define I386_XSTATE_AVX_MASK (I386_XSTATE_SSE_MASK | I386_XSTATE_AVX)
+
+#define I386_XSTATE_SSE_SIZE 576
+#define I386_XSTATE_AVX_SIZE 832
+#define I386_XSTATE_MAX_SIZE 832
+
+/* Get I386 XSAVE extended state size. */
+#define I386_XSTATE_SIZE(XCR0) \
+ (((XCR0) & I386_XSTATE_AVX) != 0 \
+ ? I386_XSTATE_AVX_SIZE : I386_XSTATE_SSE_SIZE)
+
+#endif /* I386_XSTATE_H */