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-rw-r--r--gdb/ChangeLog8
-rw-r--r--gdb/common/i386-xstate.h15
2 files changed, 16 insertions, 7 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index cb5dd15..eb30c9d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,11 @@
+2013-11-26 Walfred Tedeschi <walfred.tedeschi@intel.com>
+
+ * i386-xstate.h (I386_XSTATE_MPX): New Macro.
+ (I386_XSTATE_MPX_MASK): Makes use of I386_XSTATE_MPX.
+ (HAS_MPX): New macro.
+ (HAS_AVX): New macro.
+ (I386_XSTATE_SIZE): Uses HAS_MPX and HAS_AVX.
+
2013-11-25 Keith Seitz <keiths@redhat.com>
PR c++/14819
diff --git a/gdb/common/i386-xstate.h b/gdb/common/i386-xstate.h
index e76ecc1..c4b8c8a 100644
--- a/gdb/common/i386-xstate.h
+++ b/gdb/common/i386-xstate.h
@@ -26,14 +26,13 @@
#define I386_XSTATE_AVX (1ULL << 2)
#define I386_XSTATE_BNDREGS (1ULL << 3)
#define I386_XSTATE_BNDCFG (1ULL << 4)
+#define I386_XSTATE_MPX (I386_XSTATE_BNDREGS | I386_XSTATE_BNDCFG)
/* Supported mask and size of the extended state. */
#define I386_XSTATE_X87_MASK I386_XSTATE_X87
#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_MPX_MASK (I386_XSTATE_AVX_MASK \
- | I386_XSTATE_BNDREGS \
- | I386_XSTATE_BNDCFG)
+#define I386_XSTATE_MPX_MASK (I386_XSTATE_AVX_MASK | I386_XSTATE_MPX)
#define I386_XSTATE_ALL_MASK I386_XSTATE_MPX_MASK
@@ -44,11 +43,13 @@
#define I386_XSTATE_MAX_SIZE 1088
+/* In case one of the MPX XCR0 bits is set we consider we have MPX. */
+#define HAS_MPX(XCR0) (((XCR0) & I386_XSTATE_MPX) != 0)
+#define HAS_AVX(XCR0) (((XCR0) & I386_XSTATE_AVX) != 0)
+
/* Get I386 XSAVE extended state size. */
#define I386_XSTATE_SIZE(XCR0) \
- (((XCR0) & I386_XSTATE_BNDCFG) != 0 ? I386_XSTATE_BNDCFG_SIZE \
- : (((XCR0) & I386_XSTATE_BNDREGS) != 0 ? I386_XSTATE_BNDCFG_SIZE \
- : (((XCR0) & I386_XSTATE_AVX_SIZE) != 0 ? I386_XSTATE_AVX_SIZE \
- : I386_XSTATE_SSE_SIZE)))
+ (HAS_MPX (XCR0) ? I386_XSTATE_BNDCFG_SIZE : \
+ (HAS_AVX (XCR0) ? I386_XSTATE_AVX_SIZE : I386_XSTATE_SSE_SIZE))
#endif /* I386_XSTATE_H */