gdb: Don't skip prologue for explicit line breakpoints in assembler

[deliverable/binutils-gdb.git] / gdb / common / x86-xstate.h

diff --git a/gdb/common/x86-xstate.h b/gdb/common/x86-xstate.h
index 8386420d92f19dcaa2e7e284edf285bdd8f70548..4ce8f61e394ab90a837fb5243dca5424bb574679 100644 (file)
--- a/gdb/common/x86-xstate.h
+++ b/gdb/common/x86-xstate.h
@@ -1,6 +1,6 @@
 /* Common code for x86 XSAVE extended state.
 
-   Copyright (C) 2010-2016 Free Software Foundation, Inc.
+   Copyright (C) 2010-2019 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -17,8 +17,8 @@
    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 X86_XSTATE_H
-#define X86_XSTATE_H 1
+#ifndef COMMON_X86_XSTATE_H
+#define COMMON_X86_XSTATE_H
 
 /* The extended state feature bits.  */
 #define X86_XSTATE_X87         (1ULL << 0)
@@ -35,33 +35,54 @@
 #define X86_XSTATE_AVX512      (X86_XSTATE_K | X86_XSTATE_ZMM_H \
                                 | X86_XSTATE_ZMM)
 
+#define X86_XSTATE_PKRU                (1ULL << 9)
+
 /* Supported mask and size of the extended state.  */
 #define X86_XSTATE_X87_MASK    X86_XSTATE_X87
 #define X86_XSTATE_SSE_MASK    (X86_XSTATE_X87 | X86_XSTATE_SSE)
 #define X86_XSTATE_AVX_MASK    (X86_XSTATE_SSE_MASK | X86_XSTATE_AVX)
-#define X86_XSTATE_MPX_MASK    (X86_XSTATE_AVX_MASK | X86_XSTATE_MPX)
-#define X86_XSTATE_AVX512_MASK (X86_XSTATE_AVX_MASK | X86_XSTATE_AVX512)
-#define X86_XSTATE_MPX_AVX512_MASK (X86_XSTATE_MPX_MASK | X86_XSTATE_AVX512)
+#define X86_XSTATE_MPX_MASK    (X86_XSTATE_SSE_MASK | X86_XSTATE_MPX)
+#define X86_XSTATE_AVX_MPX_MASK        (X86_XSTATE_AVX_MASK | X86_XSTATE_MPX)
+#define X86_XSTATE_AVX_AVX512_MASK     (X86_XSTATE_AVX_MASK | X86_XSTATE_AVX512)
+#define X86_XSTATE_AVX_MPX_AVX512_PKU_MASK     (X86_XSTATE_AVX_MPX_MASK\
+                                       | X86_XSTATE_AVX512 | X86_XSTATE_PKRU)
+
+#define X86_XSTATE_ALL_MASK            (X86_XSTATE_AVX_MPX_AVX512_PKU_MASK)
 
-#define X86_XSTATE_ALL_MASK    (X86_XSTATE_MPX_AVX512_MASK)
 
 #define X86_XSTATE_SSE_SIZE    576
 #define X86_XSTATE_AVX_SIZE    832
 #define X86_XSTATE_BNDREGS_SIZE        1024
 #define X86_XSTATE_BNDCFG_SIZE 1088
 #define X86_XSTATE_AVX512_SIZE 2688
-#define X86_XSTATE_MAX_SIZE    2688
+#define X86_XSTATE_PKRU_SIZE   2696
+#define X86_XSTATE_MAX_SIZE    2696
 
 
 /* In case one of the MPX XCR0 bits is set we consider we have MPX.  */
 #define HAS_MPX(XCR0) (((XCR0) & X86_XSTATE_MPX) != 0)
 #define HAS_AVX(XCR0) (((XCR0) & X86_XSTATE_AVX) != 0)
 #define HAS_AVX512(XCR0) (((XCR0) & X86_XSTATE_AVX512) != 0)
+#define HAS_PKRU(XCR0) (((XCR0) & X86_XSTATE_PKRU) != 0)
 
 /* Get I386 XSAVE extended state size.  */
 #define X86_XSTATE_SIZE(XCR0) \
-    (HAS_AVX512 (XCR0) ? X86_XSTATE_AVX512_SIZE : \
-     (HAS_MPX (XCR0) ? X86_XSTATE_BNDCFG_SIZE : \
-      (HAS_AVX (XCR0) ? X86_XSTATE_AVX_SIZE : X86_XSTATE_SSE_SIZE)))
+    (HAS_PKRU (XCR0) ? X86_XSTATE_PKRU_SIZE : \
+     (HAS_AVX512 (XCR0) ? X86_XSTATE_AVX512_SIZE : \
+      (HAS_MPX (XCR0) ? X86_XSTATE_BNDCFG_SIZE : \
+       (HAS_AVX (XCR0) ? X86_XSTATE_AVX_SIZE : X86_XSTATE_SSE_SIZE))))
+
+/* Initial value for fctrl register, as defined in the X86 manual, and
+   confirmed in the (Linux) kernel source.  When the x87 floating point
+   feature is not enabled in an inferior we use this as the value of the
+   fcrtl register.  */
+
+#define I387_FCTRL_INIT_VAL 0x037f
+
+/* Initial value for mxcsr register.  When the avx and sse floating point
+   features are not enabled in an inferior we use this as the value of the
+   mxcsr register.  */
+
+#define I387_MXCSR_INIT_VAL 0x1f80
 
-#endif /* X86_XSTATE_H */
+#endif /* COMMON_X86_XSTATE_H */