[OE-core] [PATCH - Jethro ] gdb: Backport patch to changes with AVX and MPX

Khem Raj raj.khem at gmail.com
Mon May 16 13:50:13 UTC 2016


On Sunday, May 15, 2016, Saul Wold <sgw at linux.intel.com> wrote:

> The current MPX target descriptions assume that MPX is always combined
> with AVX, however that's not correct.  We can have machines with MPX
> and without AVX; or machines with AVX and without MPX.
>
> This patch adds new target descriptions for machines that support
> both MPX and AVX, as duplicates of the existing MPX descriptions.
>
> The following commit will remove AVX from the MPX-only descriptions.
>
> This commit is backported from 7.12


Master branch should need this fix too

>
> Signed-off-by: Saul Wold <sgw at linux.intel.com>
> ---
> This is Jethro Only since it has a different version of GDB and this
> patch is version specific.
>
>  meta/recipes-devtools/gdb/gdb.inc                  |    2 +
>  .../0001-Add-target-descriptions-for-AVX-MPX.patch | 2153
> ++++++++++++++++++++
>  2 files changed, 2155 insertions(+)
>  create mode 100644
> meta/recipes-devtools/gdb/gdb/0001-Add-target-descriptions-for-AVX-MPX.patch
>
> diff --git a/meta/recipes-devtools/gdb/gdb.inc
> b/meta/recipes-devtools/gdb/gdb.inc
> index 88c0213..58326a3 100644
> --- a/meta/recipes-devtools/gdb/gdb.inc
> +++ b/meta/recipes-devtools/gdb/gdb.inc
> @@ -5,7 +5,9 @@ inherit gettext
>  SRC_URI += "file://0002-Change-order-of-CFLAGS.patch \
>              file://0003-Add-support-for-Renesas-SH-sh4-architecture.patch
> \
>
>  file://fix-detection-of-64-bit-PPC-inferior-in-gdbserver.patch \
> +            file://0001-Add-target-descriptions-for-AVX-MPX.patch \
>             "
> +
>  #LDFLAGS_append = " -s"
>  #export CFLAGS_append=" -L${STAGING_LIBDIR}"
>
> diff --git
> a/meta/recipes-devtools/gdb/gdb/0001-Add-target-descriptions-for-AVX-MPX.patch
> b/meta/recipes-devtools/gdb/gdb/0001-Add-target-descriptions-for-AVX-MPX.patch
> new file mode 100644
> index 0000000..043ff45
> --- /dev/null
> +++
> b/meta/recipes-devtools/gdb/gdb/0001-Add-target-descriptions-for-AVX-MPX.patch
> @@ -0,0 +1,2153 @@
> +From 15c429945dc4674b62e6b956c0ba9059206055ed Mon Sep 17 00:00:00 2001
> +From: Walfred Tedeschi <walfred.tedeschi at intel.com>
> +Date: Fri, 13 May 2016 15:36:43 +0200
> +Subject: [PATCH 1/1] Add target descriptions for AVX + MPX
> +
> +The current MPX target descriptions assume that MPX is always combined
> +with AVX, however that's not correct.  We can have machines with MPX
> +and without AVX; or machines with AVX and without MPX.
> +
> +This patch adds new target descriptions for machines that support
> +both MPX and AVX, as duplicates of the existing MPX descriptions.
> +
> +The following commit will remove AVX from the MPX-only descriptions.
> +
> +2016-04-16  Walfred Tedeschi  <walfred.tedeschi at intel.com>
> +
> +gdb/ChangeLog:
> +
> +       * amd64-linux-tdep.c (features/i386/amd64-avx-mpx-linux.c):
> +       New include.
> +       (amd64_linux_core_read_description): Add case for
> +        X86_XSTATE_AVX_MPX_MASK.
> +       (_initialize_amd64_linux_tdep): Call
> initialize_tdesc_amd64_avx_mpx_linux.
> +       * amd64-linux-tdep.h (tdesc_amd64_avx_mpx_linux): New definition.
> +       * amd64-tdep.c (features/i386/amd64-avx-mpx.c): New include.
> +       (amd64_target_description): Add case for  X86_XSTATE_AVX_MPX_MASK.
> +       (_initialize_amd64_tdep): Call initialize_tdesc_amd64_avx_mpx.
> +       * common/x86-xstate.h (X86_XSTATE_MPX_MASK): Remove AVX bits.
> +       (X86_XSTATE_AVX_MPX_MASK): New case.
> +       * features/Makefile (i386/i386-avx-mpx, i386/i386-avx-mpx-linux)
> +       (i386/amd64-avx-mpx, i386/amd64-avx-mpx-linux): New rules.
> +       (i386/i386-avx-mpx-expedite, i386/i386-avx-mpx-linux-expedite)
> +       (i386/amd64-avx-mpx-expedite, i386/amd64-avx-mpx-linux-expedite):
> +       New expedites.
> +       * i386-linux-tdep.c (features/i386/i386-avx-mpx-linux.c): New
> +       include.
> +       (i386_linux_core_read_description): Add case
> +       X86_XSTATE_AVX_MPX_MASK.
> +       (_initialize_i386_linux_tdep): Call
> +       initialize_tdesc_i386_avx_mpx_linux.
> +       * i386-linux-tdep.h (tdesc_i386_avx_mpx_linux): New include.
> +       * i386-tdep.c (features/i386/i386-avx-mpx.c): New include.
> +       (i386_target_description): Add case for X86_XSTATE_AVX_MPX_MASK.
> +       * x86-linux-nat.c (x86_linux_read_description): Add case for
> +       X86_XSTATE_AVX_MPX_MASK.
> +       * features/i386/amd64-avx-mpx-linux.xml: New file.
> +       * features/i386/i386-avx-mpx-linux.xml: New file.
> +       * features/i386/i386-avx-mpx.xml: New file.
> +       * features/i386/amd64-avx-mpx.xml: New file.
> +       * features/i386/amd64-avx-mpx-linux.c: Generated.
> +       * features/i386/amd64-avx-mpx.c: Generated.
> +       * features/i386/i386-avx-mpx-linux.c: Generated.
> +       * features/i386/i386-avx-mpx.c: Generated.
> +       * regformats/i386/amd64-avx-mpx-linux.dat: Generated.
> +       * regformats/i386/amd64-avx-mpx.dat: Generated.
> +       * regformats/i386/i386-avx-mpx-linux.dat: Generated.
> +       * regformats/i386/i386-avx-mpx.dat: Generated.
> +
> +gdb/gdbserver/ChangeLog:
> +
> +       * Makefile.in (clean): Add removal for i386-avx-mpx.c,
> +       i386-avx-mpx-linux.c, amd64-avx-mpx.c and amd64-avx-mpx-linux.c.
> +       (i386-avx-mpx.c, i386-avx-mpx-linux.c, amd64-avx-mpx.c)
> +       (amd64-avx-mpx-linux.c): New rules.
> +       (amd64-avx-mpx-linux-ipa.o, i386-avx-mpx-linux-ipa.o): New rule.
> +       * configure.srv (srv_i386_regobj): Add i386-avx-mpx.o.
> +       (srv_i386_linux_regobj): Add i386-avx-mpx-linux.o.
> +       (srv_amd64_regobj): Add amd64-avx-mpx.o.
> +       (srv_amd64_linux_regobj): Add amd64-avx-mpx-linux.o.
> +       (srv_i386_xmlfiles): Add i386/i386-avx-mpx.xml.
> +       (srv_amd64_xmlfiles): Add i386/amd64-avx-mpx.xml.
> +       (srv_i386_linux_xmlfiles): Add i386/i386-avx-mpx-linux.xml.
> +       (srv_amd64_linux_xmlfiles): Add i386/amd64-avx-mpx-linux.xml.
> +       (ipa_i386_linux_regobj): Add i386-avx-mpx-linux-ipa.o.
> +       (ipa_amd64_linux_regobj): Add amd64-avx-mpx-linux-ipa.o.
> +       * linux-x86-low.c (x86_linux_read_description): Add case for
> +       X86_XSTATE_AVX_MPX_MASK.
> +       (x86_get_ipa_tdesc_idx): Add cases for avx_mpx.
> +       (initialize_low_arch): Call init_registers_amd64_avx_mpx_linux and
> +       init_registers_i386_avx_mpx_linux.
> +       * linux-i386-ipa.c (get_ipa_tdesc): Add case for avx_mpx.
> +       (initialize_low_tracepoint): Call
> +       init_registers_i386_avx_mpx_linux.
> +       * linux-amd64-ipa.c (get_ipa_tdesc):  Add case for avx_mpx.
> +       (initialize_low_tracepoint): Call
> +       init_registers_amd64_avx_mpx_linux.
> +       * linux-x86-tdesc.h (X86_TDESC_AVX_MPX): New enum value.
> +       (init_registers_amd64_avx_mpx_linux, tdesc_amd64_avx_mpx_linux)
> +       (init_registers_i386_avx_mpx_linux, tdesc_i386_avx_mpx_linux): New
> +       declarations.
> +
> +Change-Id: I7b0642263cfa3e47b626022796e5dd3627b92ba8
> +
> +# Conflicts:
> +#      gdb/amd64-tdep.c
> +#      gdb/i386-tdep.c
> +---
> + gdb/ChangeLog                               |  57 ++++++++
> + gdb/amd64-linux-tdep.c                      |   7 +
> + gdb/amd64-linux-tdep.h                      |   1 +
> + gdb/amd64-tdep.c                            |   2 +
> + gdb/common/x86-xstate.h                     |   5 +-
> + gdb/features/Makefile                       |  18 +++
> + gdb/features/i386/amd64-avx-mpx-linux.c     | 211
> ++++++++++++++++++++++++++++
> + gdb/features/i386/amd64-avx-mpx-linux.xml   |  19 +++
> + gdb/features/i386/amd64-avx-mpx.c           | 206
> +++++++++++++++++++++++++++
> + gdb/features/i386/amd64-avx-mpx.xml         |  17 +++
> + gdb/features/i386/amd64-mpx-linux.c         |  30 +---
> + gdb/features/i386/amd64-mpx-linux.xml       |   1 -
> + gdb/features/i386/amd64-mpx.c               |  30 +---
> + gdb/features/i386/amd64-mpx.xml             |   1 -
> + gdb/features/i386/i386-avx-mpx-linux.c      | 187
> ++++++++++++++++++++++++
> + gdb/features/i386/i386-avx-mpx-linux.xml    |  19 +++
> + gdb/features/i386/i386-avx-mpx.c            | 182
> ++++++++++++++++++++++++
> + gdb/features/i386/i386-avx-mpx.xml          |  17 +++
> + gdb/features/i386/i386-mpx-linux.c          |  22 +--
> + gdb/features/i386/i386-mpx-linux.xml        |   1 -
> + gdb/features/i386/i386-mpx.c                |  22 +--
> + gdb/features/i386/i386-mpx.xml              |   1 -
> + gdb/gdbserver/ChangeLog                     |  33 +++++
> + gdb/gdbserver/Makefile.in                   |  10 ++
> + gdb/gdbserver/configure.srv                 |  17 +--
> + gdb/gdbserver/linux-x86-low.c               |  16 +++
> + gdb/i386-linux-tdep.c                       |   4 +
> + gdb/i386-linux-tdep.h                       |   1 +
> + gdb/i386-tdep.c                             |   2 +
> + gdb/regformats/i386/amd64-avx-mpx-linux.dat |  85 +++++++++++
> + gdb/regformats/i386/amd64-avx-mpx.dat       |  84 +++++++++++
> + gdb/regformats/i386/amd64-mpx-linux.dat     |  16 ---
> + gdb/regformats/i386/amd64-mpx.dat           |  16 ---
> + gdb/regformats/i386/i386-avx-mpx-linux.dat  |  61 ++++++++
> + gdb/regformats/i386/i386-avx-mpx.dat        |  60 ++++++++
> + gdb/regformats/i386/i386-mpx-linux.dat      |   8 --
> + gdb/regformats/i386/i386-mpx.dat            |   8 --
> + gdb/x86-linux-nat.c                         |   7 +
> + 38 files changed, 1342 insertions(+), 142 deletions(-)
> + create mode 100644 gdb/features/i386/amd64-avx-mpx-linux.c
> + create mode 100644 gdb/features/i386/amd64-avx-mpx-linux.xml
> + create mode 100644 gdb/features/i386/amd64-avx-mpx.c
> + create mode 100644 gdb/features/i386/amd64-avx-mpx.xml
> + create mode 100644 gdb/features/i386/i386-avx-mpx-linux.c
> + create mode 100644 gdb/features/i386/i386-avx-mpx-linux.xml
> + create mode 100644 gdb/features/i386/i386-avx-mpx.c
> + create mode 100644 gdb/features/i386/i386-avx-mpx.xml
> + create mode 100644 gdb/regformats/i386/amd64-avx-mpx-linux.dat
> + create mode 100644 gdb/regformats/i386/amd64-avx-mpx.dat
> + create mode 100644 gdb/regformats/i386/i386-avx-mpx-linux.dat
> + create mode 100644 gdb/regformats/i386/i386-avx-mpx.dat
> +
> +Index: gdb-7.9.1/gdb/ChangeLog
> +===================================================================
> +--- gdb-7.9.1.orig/gdb/ChangeLog
> ++++ gdb-7.9.1/gdb/ChangeLog
> +@@ -1,3 +1,60 @@
> ++2016-04-14  Walfred Tedeschi  <walfred.tedeschi at intel.com>
> ++
> ++      * features/i386/amd64-mpx-linux.xml: Remove AVX feature.
> ++      * features/i386/amd64-mpx.xml: Remove AVX feature.
> ++      * features/i386/i386-mpx-linux.xml: Remove AVX feature.
> ++      * features/i386/i386-mpx.xml: Remove AVX feature.
> ++      * features/i386/amd64-mpx-linux.c: Regenerate.
> ++      * features/i386/amd64-mpx.c: Regenerate.
> ++      * features/i386/i386-mpx-linux.c: Regenerate.
> ++      * features/i386/i386-mpx.c: Regenerate.
> ++      * regformats/i386/amd64-mpx-linux.dat: Regenerate.
> ++      * regformats/i386/amd64-mpx.dat: Regenerate.
> ++      * regformats/i386/i386-mpx-linux.dat: Regenerate.
> ++      * regformats/i386/i386-mpx.dat: Regenerate.
> ++
> ++2016-04-16  Walfred Tedeschi  <walfred.tedeschi at intel.com>
> ++
> ++      * amd64-linux-tdep.c (features/i386/amd64-avx-mpx-linux.c):
> ++      New include.
> ++      (amd64_linux_core_read_description): Add case for
> ++       X86_XSTATE_AVX_MPX_MASK.
> ++      (_initialize_amd64_linux_tdep): Call
> initialize_tdesc_amd64_avx_mpx_linux.
> ++      * amd64-linux-tdep.h (tdesc_amd64_avx_mpx_linux): New definition.
> ++      * amd64-tdep.c (features/i386/amd64-avx-mpx.c): New include.
> ++      (amd64_target_description): Add case for  X86_XSTATE_AVX_MPX_MASK.
> ++      (_initialize_amd64_tdep): Call initialize_tdesc_amd64_avx_mpx.
> ++      * common/x86-xstate.h (X86_XSTATE_MPX_MASK): Remove AVX bits.
> ++      (X86_XSTATE_AVX_MPX_MASK): New case.
> ++      * features/Makefile (i386/i386-avx-mpx, i386/i386-avx-mpx-linux)
> ++      (i386/amd64-avx-mpx, i386/amd64-avx-mpx-linux): New rules.
> ++      (i386/i386-avx-mpx-expedite, i386/i386-avx-mpx-linux-expedite)
> ++      (i386/amd64-avx-mpx-expedite, i386/amd64-avx-mpx-linux-expedite):
> ++      New expedites.
> ++      * i386-linux-tdep.c (features/i386/i386-avx-mpx-linux.c): New
> ++      include.
> ++      (i386_linux_core_read_description): Add case
> ++      X86_XSTATE_AVX_MPX_MASK.
> ++      (_initialize_i386_linux_tdep): Call
> ++      initialize_tdesc_i386_avx_mpx_linux.
> ++      * i386-linux-tdep.h (tdesc_i386_avx_mpx_linux): New include.
> ++      * i386-tdep.c (features/i386/i386-avx-mpx.c): New include.
> ++      (i386_target_description): Add case for X86_XSTATE_AVX_MPX_MASK.
> ++      * x86-linux-nat.c (x86_linux_read_description): Add case for
> ++      X86_XSTATE_AVX_MPX_MASK.
> ++      * features/i386/amd64-avx-mpx-linux.xml: New file.
> ++      * features/i386/i386-avx-mpx-linux.xml: New file.
> ++      * features/i386/i386-avx-mpx.xml: New file.
> ++      * features/i386/amd64-avx-mpx.xml: New file.
> ++      * features/i386/amd64-avx-mpx-linux.c: Generated.
> ++      * features/i386/amd64-avx-mpx.c: Generated.
> ++      * features/i386/i386-avx-mpx-linux.c: Generated.
> ++      * features/i386/i386-avx-mpx.c: Generated.
> ++      * regformats/i386/amd64-avx-mpx-linux.dat: Generated.
> ++      * regformats/i386/amd64-avx-mpx.dat: Generated.
> ++      * regformats/i386/i386-avx-mpx-linux.dat: Generated.
> ++      * regformats/i386/i386-avx-mpx.dat: Generated.
> ++
> + 2015-05-13  Joel Brobecker  <brobecker at adacore.com>
> +
> +       * version.in: Set GDB version number to 7.9.1.
> +Index: gdb-7.9.1/gdb/amd64-linux-tdep.c
> +===================================================================
> +--- gdb-7.9.1.orig/gdb/amd64-linux-tdep.c
> ++++ gdb-7.9.1/gdb/amd64-linux-tdep.c
> +@@ -41,6 +41,7 @@
> + #include "features/i386/amd64-linux.c"
> + #include "features/i386/amd64-avx-linux.c"
> + #include "features/i386/amd64-mpx-linux.c"
> ++#include "features/i386/amd64-avx-mpx-linux.c"
> + #include "features/i386/amd64-avx512-linux.c"
> +
> + #include "features/i386/x32-linux.c"
> +@@ -1587,6 +1588,11 @@ amd64_linux_core_read_description (struc
> +       return tdesc_x32_avx_linux;  /* No x32 MPX falling back to AVX.  */
> +       else
> +       return tdesc_amd64_mpx_linux;
> ++    case X86_XSTATE_AVX_MPX_MASK:
> ++      if (gdbarch_ptr_bit (gdbarch) == 32)
> ++      return tdesc_x32_avx_linux;  /* No x32 MPX falling back to AVX.  */
> ++      else
> ++      return tdesc_amd64_avx_mpx_linux;
> +     case X86_XSTATE_AVX_MASK:
> +       if (gdbarch_ptr_bit (gdbarch) == 32)
> +       return tdesc_x32_avx_linux;
> +@@ -2134,6 +2140,7 @@ _initialize_amd64_linux_tdep (void)
> +   initialize_tdesc_amd64_linux ();
> +   initialize_tdesc_amd64_avx_linux ();
> +   initialize_tdesc_amd64_mpx_linux ();
> ++  initialize_tdesc_amd64_avx_mpx_linux ();
> +   initialize_tdesc_amd64_avx512_linux ();
> +
> +   initialize_tdesc_x32_linux ();
> +Index: gdb-7.9.1/gdb/amd64-linux-tdep.h
> +===================================================================
> +--- gdb-7.9.1.orig/gdb/amd64-linux-tdep.h
> ++++ gdb-7.9.1/gdb/amd64-linux-tdep.h
> +@@ -35,6 +35,7 @@
> + extern struct target_desc *tdesc_amd64_linux;
> + extern struct target_desc *tdesc_amd64_avx_linux;
> + extern struct target_desc *tdesc_amd64_mpx_linux;
> ++extern struct target_desc *tdesc_amd64_avx_mpx_linux;
> + extern struct target_desc *tdesc_amd64_avx512_linux;
> +
> + extern struct target_desc *tdesc_x32_linux;
> +Index: gdb-7.9.1/gdb/amd64-tdep.c
> +===================================================================
> +--- gdb-7.9.1.orig/gdb/amd64-tdep.c
> ++++ gdb-7.9.1/gdb/amd64-tdep.c
> +@@ -43,6 +43,7 @@
> + #include "features/i386/amd64.c"
> + #include "features/i386/amd64-avx.c"
> + #include "features/i386/amd64-mpx.c"
> ++#include "features/i386/amd64-avx-mpx.c"
> + #include "features/i386/amd64-avx512.c"
> +
> + #include "features/i386/x32.c"
> +@@ -3119,6 +3120,7 @@ _initialize_amd64_tdep (void)
> +   initialize_tdesc_amd64 ();
> +   initialize_tdesc_amd64_avx ();
> +   initialize_tdesc_amd64_mpx ();
> ++  initialize_tdesc_amd64_avx_mpx ();
> +   initialize_tdesc_amd64_avx512 ();
> +
> +   initialize_tdesc_x32 ();
> +Index: gdb-7.9.1/gdb/common/x86-xstate.h
> +===================================================================
> +--- gdb-7.9.1.orig/gdb/common/x86-xstate.h
> ++++ gdb-7.9.1/gdb/common/x86-xstate.h
> +@@ -39,9 +39,10 @@
> + #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_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_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_AVX512_MASK (X86_XSTATE_AVX_MPX_MASK |
> X86_XSTATE_AVX512)
> +
> + #define X86_XSTATE_ALL_MASK   (X86_XSTATE_MPX_AVX512_MASK)
> +
> +Index: gdb-7.9.1/gdb/features/Makefile
> +===================================================================
> +--- gdb-7.9.1.orig/gdb/features/Makefile
> ++++ gdb-7.9.1/gdb/features/Makefile
> +@@ -50,9 +50,11 @@ WHICH = aarch64 \
> +       i386/amd64 i386/amd64-linux \
> +       i386/i386-avx i386/i386-avx-linux \
> +       i386/i386-mpx i386/i386-mpx-linux \
> ++      i386/i386-avx-mpx i386/i386-avx-mpx-linux \
> +       i386/i386-avx512 i386/i386-avx512-linux \
> +       i386/amd64-avx i386/amd64-avx-linux \
> +       i386/amd64-mpx i386/amd64-mpx-linux \
> ++      i386/amd64-avx-mpx i386/amd64-avx-mpx-linux \
> +       i386/amd64-avx512 i386/amd64-avx512-linux \
> +       i386/x32 i386/x32-linux \
> +       i386/x32-avx i386/x32-avx-linux \
> +@@ -82,7 +84,9 @@ i386/amd64-linux-expedite = rbp,rsp,rip
> + i386/i386-avx-expedite = ebp,esp,eip
> + i386/i386-avx-linux-expedite = ebp,esp,eip
> + i386/i386-mpx-expedite = ebp,esp,eip
> ++i386/i386-avx-mpx-expedite = ebp,esp,eip
> + i386/i386-mpx-linux-expedite = ebp,esp,eip
> ++i386/i386-avx-mpx-linux-expedite = ebp,esp,eip
> + i386/i386-avx512-expedite = ebp,esp,eip
> + i386/i386-avx512-linux-expedite = ebp,esp,eip
> + i386/i386-mmx-expedite = ebp,esp,eip
> +@@ -90,7 +94,9 @@ i386/i386-mmx-linux-expedite = ebp,esp,e
> + i386/amd64-avx-expedite = rbp,rsp,rip
> + i386/amd64-avx-linux-expedite = rbp,rsp,rip
> + i386/amd64-mpx-expedite = rbp,rsp,rip
> ++i386/amd64-avx-mpx-expedite = rbp,rsp,rip
> + i386/amd64-mpx-linux-expedite = rbp,rsp,rip
> ++i386/amd64-avx-mpx-linux-expedite = rbp,rsp,rip
> + i386/amd64-avx512-expedite = rbp,rsp,rip
> + i386/amd64-avx512-linux-expedite = rbp,rsp,rip
> + i386/x32-expedite = rbp,rsp,rip
> +@@ -151,6 +157,8 @@ XMLTOC = \
> +       i386/amd64-linux.xml \
> +       i386/amd64-mpx-linux.xml \
> +       i386/amd64-mpx.xml \
> ++      i386/amd64-avx-mpx-linux.xml \
> ++      i386/amd64-avx-mpx.xml \
> +       i386/amd64.xml \
> +       i386/i386-avx-linux.xml \
> +       i386/i386-avx.xml \
> +@@ -161,6 +169,8 @@ XMLTOC = \
> +       i386/i386-mmx.xml \
> +       i386/i386-mpx-linux.xml \
> +       i386/i386-mpx.xml \
> ++      i386/i386-avx-mpx-linux.xml \
> ++      i386/i386-avx-mpx.xml \
> +       i386/i386.xml \
> +       i386/x32-avx-linux.xml \
> +       i386/x32-avx.xml \
> +@@ -266,6 +276,10 @@ $(outdir)/i386/i386-mpx.dat: i386/32bit-
> +                              i386/32bit-mpx.xml
> + $(outdir)/i386/i386-mpx-linux.dat: i386/32bit-core.xml
> i386/32bit-avx.xml \
> +                              i386/32bit-linux.xml i386/32bit-mpx.xml
> ++$(outdir)/i386/i386-mpx-linux.dat: i386/32bit-core.xml \
> ++                             i386/32bit-linux.xml i386/32bit-mpx.xml
> ++$(outdir)/i386/i386-avx-mpx-linux.dat: i386/32bit-core.xml \
> ++                             i386/32bit-linux.xml i386/32bit-mpx.xml
> + $(outdir)/i386/i386-avx512.dat: i386/32bit-core.xml i386/32bit-avx.xml \
> +                              i386/32bit-mpx.xml i386/32bit-avx512.xml
> + $(outdir)/i386/i386-avx512-linux.dat: i386/32bit-core.xml
> i386/32bit-avx.xml \
> +@@ -277,8 +291,12 @@ $(outdir)/i386/amd64-avx-linux.dat: i386
> +                                   i386/64bit-linux.xml
> + $(outdir)/i386/amd64-mpx-linux.dat: i386/64bit-core.xml
> i386/64bit-avx.xml \
> +                              i386/64bit-linux.xml i386/64bit-mpx.xml
> ++$(outdir)/i386/amd64-avx-mpx-linux.dat: i386/64bit-core.xml \
> ++                             i386/64bit-linux.xml i386/64bit-mpx.xml
> + $(outdir)/i386/amd64-mpx.dat: i386/64bit-core.xml i386/64bit-avx.xml \
> +                              i386/64bit-mpx.xml
> ++$(outdir)/i386/amd64-avx-mpx.dat: i386/64bit-core.xml \
> ++                             i386/64bit-mpx.xml
> + $(outdir)/i386/amd64-avx512.dat: i386/64bit-core.xml i386/64bit-avx.xml \
> +                              i386/64bit-mpx.xml i386/64bit-avx512.xml
> + $(outdir)/i386/amd64-avx512-linux.dat: i386/64bit-core.xml
> i386/64bit-avx.xml \
> +Index: gdb-7.9.1/gdb/features/i386/amd64-avx-mpx-linux.c
> +===================================================================
> +--- /dev/null
> ++++ gdb-7.9.1/gdb/features/i386/amd64-avx-mpx-linux.c
> +@@ -0,0 +1,211 @@
> ++/* THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi:set ro:
> ++  Original: amd64-avx-mpx-linux.xml */
> ++
> ++#include "defs.h"
> ++#include "osabi.h"
> ++#include "target-descriptions.h"
> ++
> ++struct target_desc *tdesc_amd64_avx_mpx_linux;
> ++static void
> ++initialize_tdesc_amd64_avx_mpx_linux (void)
> ++{
> ++  struct target_desc *result = allocate_target_description ();
> ++  struct tdesc_feature *feature;
> ++  struct tdesc_type *field_type;
> ++  struct tdesc_type *type;
> ++
> ++  set_tdesc_architecture (result, bfd_scan_arch ("i386:x86-64"));
> ++
> ++  set_tdesc_osabi (result, osabi_from_tdesc_string ("GNU/Linux"));
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.core");
> ++  field_type = tdesc_create_flags (feature, "i386_eflags", 4);
> ++  tdesc_add_flag (field_type, 0, "CF");
> ++  tdesc_add_flag (field_type, 1, "");
> ++  tdesc_add_flag (field_type, 2, "PF");
> ++  tdesc_add_flag (field_type, 4, "AF");
> ++  tdesc_add_flag (field_type, 6, "ZF");
> ++  tdesc_add_flag (field_type, 7, "SF");
> ++  tdesc_add_flag (field_type, 8, "TF");
> ++  tdesc_add_flag (field_type, 9, "IF");
> ++  tdesc_add_flag (field_type, 10, "DF");
> ++  tdesc_add_flag (field_type, 11, "OF");
> ++  tdesc_add_flag (field_type, 14, "NT");
> ++  tdesc_add_flag (field_type, 16, "RF");
> ++  tdesc_add_flag (field_type, 17, "VM");
> ++  tdesc_add_flag (field_type, 18, "AC");
> ++  tdesc_add_flag (field_type, 19, "VIF");
> ++  tdesc_add_flag (field_type, 20, "VIP");
> ++  tdesc_add_flag (field_type, 21, "ID");
> ++
> ++  tdesc_create_reg (feature, "rax", 0, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rbx", 1, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rcx", 2, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rdx", 3, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rsi", 4, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rdi", 5, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rbp", 6, 1, NULL, 64, "data_ptr");
> ++  tdesc_create_reg (feature, "rsp", 7, 1, NULL, 64, "data_ptr");
> ++  tdesc_create_reg (feature, "r8", 8, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r9", 9, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r10", 10, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r11", 11, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r12", 12, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r13", 13, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r14", 14, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r15", 15, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rip", 16, 1, NULL, 64, "code_ptr");
> ++  tdesc_create_reg (feature, "eflags", 17, 1, NULL, 32, "i386_eflags");
> ++  tdesc_create_reg (feature, "cs", 18, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "ss", 19, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "ds", 20, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "es", 21, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "fs", 22, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "gs", 23, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "st0", 24, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st1", 25, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st2", 26, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st3", 27, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st4", 28, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st5", 29, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st6", 30, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st7", 31, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "fctrl", 32, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fstat", 33, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "ftag", 34, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fiseg", 35, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fioff", 36, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "foseg", 37, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fooff", 38, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fop", 39, 1, "float", 32, "int");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.sse");
> ++  field_type = tdesc_named_type (feature, "ieee_single");
> ++  tdesc_create_vector (feature, "v4f", field_type, 4);
> ++
> ++  field_type = tdesc_named_type (feature, "ieee_double");
> ++  tdesc_create_vector (feature, "v2d", field_type, 2);
> ++
> ++  field_type = tdesc_named_type (feature, "int8");
> ++  tdesc_create_vector (feature, "v16i8", field_type, 16);
> ++
> ++  field_type = tdesc_named_type (feature, "int16");
> ++  tdesc_create_vector (feature, "v8i16", field_type, 8);
> ++
> ++  field_type = tdesc_named_type (feature, "int32");
> ++  tdesc_create_vector (feature, "v4i32", field_type, 4);
> ++
> ++  field_type = tdesc_named_type (feature, "int64");
> ++  tdesc_create_vector (feature, "v2i64", field_type, 2);
> ++
> ++  type = tdesc_create_union (feature, "vec128");
> ++  field_type = tdesc_named_type (feature, "v4f");
> ++  tdesc_add_field (type, "v4_float", field_type);
> ++  field_type = tdesc_named_type (feature, "v2d");
> ++  tdesc_add_field (type, "v2_double", field_type);
> ++  field_type = tdesc_named_type (feature, "v16i8");
> ++  tdesc_add_field (type, "v16_int8", field_type);
> ++  field_type = tdesc_named_type (feature, "v8i16");
> ++  tdesc_add_field (type, "v8_int16", field_type);
> ++  field_type = tdesc_named_type (feature, "v4i32");
> ++  tdesc_add_field (type, "v4_int32", field_type);
> ++  field_type = tdesc_named_type (feature, "v2i64");
> ++  tdesc_add_field (type, "v2_int64", field_type);
> ++  field_type = tdesc_named_type (feature, "uint128");
> ++  tdesc_add_field (type, "uint128", field_type);
> ++
> ++  field_type = tdesc_create_flags (feature, "i386_mxcsr", 4);
> ++  tdesc_add_flag (field_type, 0, "IE");
> ++  tdesc_add_flag (field_type, 1, "DE");
> ++  tdesc_add_flag (field_type, 2, "ZE");
> ++  tdesc_add_flag (field_type, 3, "OE");
> ++  tdesc_add_flag (field_type, 4, "UE");
> ++  tdesc_add_flag (field_type, 5, "PE");
> ++  tdesc_add_flag (field_type, 6, "DAZ");
> ++  tdesc_add_flag (field_type, 7, "IM");
> ++  tdesc_add_flag (field_type, 8, "DM");
> ++  tdesc_add_flag (field_type, 9, "ZM");
> ++  tdesc_add_flag (field_type, 10, "OM");
> ++  tdesc_add_flag (field_type, 11, "UM");
> ++  tdesc_add_flag (field_type, 12, "PM");
> ++  tdesc_add_flag (field_type, 15, "FZ");
> ++
> ++  tdesc_create_reg (feature, "xmm0", 40, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm1", 41, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm2", 42, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm3", 43, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm4", 44, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm5", 45, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm6", 46, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm7", 47, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm8", 48, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm9", 49, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm10", 50, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm11", 51, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm12", 52, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm13", 53, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm14", 54, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm15", 55, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "mxcsr", 56, 1, "vector", 32, "i386_mxcsr");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.linux");
> ++  tdesc_create_reg (feature, "orig_rax", 57, 1, NULL, 64, "int");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx");
> ++  tdesc_create_reg (feature, "ymm0h", 58, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm1h", 59, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm2h", 60, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm3h", 61, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm4h", 62, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm5h", 63, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm6h", 64, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm7h", 65, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm8h", 66, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm9h", 67, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm10h", 68, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm11h", 69, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm12h", 70, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm13h", 71, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm14h", 72, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm15h", 73, 1, NULL, 128, "uint128");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.mpx");
> ++  type = tdesc_create_struct (feature, "br128");
> ++  field_type = tdesc_named_type (feature, "uint64");
> ++  tdesc_add_field (type, "lbound", field_type);
> ++  field_type = tdesc_named_type (feature, "uint64");
> ++  tdesc_add_field (type, "ubound_raw", field_type);
> ++
> ++  type = tdesc_create_struct (feature, "_bndstatus");
> ++  tdesc_set_struct_size (type, 8);
> ++  tdesc_add_bitfield (type, "bde", 2, 63);
> ++  tdesc_add_bitfield (type, "error", 0, 1);
> ++
> ++  type = tdesc_create_union (feature, "status");
> ++  field_type = tdesc_named_type (feature, "data_ptr");
> ++  tdesc_add_field (type, "raw", field_type);
> ++  field_type = tdesc_named_type (feature, "_bndstatus");
> ++  tdesc_add_field (type, "status", field_type);
> ++
> ++  type = tdesc_create_struct (feature, "_bndcfgu");
> ++  tdesc_set_struct_size (type, 8);
> ++  tdesc_add_bitfield (type, "base", 12, 63);
> ++  tdesc_add_bitfield (type, "reserved", 2, 11);
> ++  tdesc_add_bitfield (type, "preserved", 1, 1);
> ++  tdesc_add_bitfield (type, "enabled", 0, 0);
> ++
> ++  type = tdesc_create_union (feature, "cfgu");
> ++  field_type = tdesc_named_type (feature, "data_ptr");
> ++  tdesc_add_field (type, "raw", field_type);
> ++  field_type = tdesc_named_type (feature, "_bndcfgu");
> ++  tdesc_add_field (type, "config", field_type);
> ++
> ++  tdesc_create_reg (feature, "bnd0raw", 74, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd1raw", 75, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd2raw", 76, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd3raw", 77, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bndcfgu", 78, 1, NULL, 64, "cfgu");
> ++  tdesc_create_reg (feature, "bndstatus", 79, 1, NULL, 64, "status");
> ++
> ++  tdesc_amd64_avx_mpx_linux = result;
> ++}
> +Index: gdb-7.9.1/gdb/features/i386/amd64-avx-mpx-linux.xml
> +===================================================================
> +--- /dev/null
> ++++ gdb-7.9.1/gdb/features/i386/amd64-avx-mpx-linux.xml
> +@@ -0,0 +1,19 @@
> ++<?xml version="1.0"?>
> ++<!-- Copyright (C) 2013-2016 Free Software Foundation, Inc.
> ++
> ++     Copying and distribution of this file, with or without modification,
> ++     are permitted in any medium without royalty provided the copyright
> ++     notice and this notice are preserved.  -->
> ++
> ++<!-- AMD64 with AVX and MPX - Includes Linux-only special "register".
> -->
> ++
> ++<!DOCTYPE target SYSTEM "gdb-target.dtd">
> ++<target>
> ++  <architecture>i386:x86-64</architecture>
> ++  <osabi>GNU/Linux</osabi>
> ++  <xi:include href="64bit-core.xml"/>
> ++  <xi:include href="64bit-sse.xml"/>
> ++  <xi:include href="64bit-linux.xml"/>
> ++  <xi:include href="64bit-avx.xml"/>
> ++  <xi:include href="64bit-mpx.xml"/>
> ++</target>
> +Index: gdb-7.9.1/gdb/features/i386/amd64-avx-mpx.c
> +===================================================================
> +--- /dev/null
> ++++ gdb-7.9.1/gdb/features/i386/amd64-avx-mpx.c
> +@@ -0,0 +1,206 @@
> ++/* THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi:set ro:
> ++  Original: amd64-avx-mpx.xml */
> ++
> ++#include "defs.h"
> ++#include "osabi.h"
> ++#include "target-descriptions.h"
> ++
> ++struct target_desc *tdesc_amd64_avx_mpx;
> ++static void
> ++initialize_tdesc_amd64_avx_mpx (void)
> ++{
> ++  struct target_desc *result = allocate_target_description ();
> ++  struct tdesc_feature *feature;
> ++  struct tdesc_type *field_type;
> ++  struct tdesc_type *type;
> ++
> ++  set_tdesc_architecture (result, bfd_scan_arch ("i386:x86-64"));
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.core");
> ++  field_type = tdesc_create_flags (feature, "i386_eflags", 4);
> ++  tdesc_add_flag (field_type, 0, "CF");
> ++  tdesc_add_flag (field_type, 1, "");
> ++  tdesc_add_flag (field_type, 2, "PF");
> ++  tdesc_add_flag (field_type, 4, "AF");
> ++  tdesc_add_flag (field_type, 6, "ZF");
> ++  tdesc_add_flag (field_type, 7, "SF");
> ++  tdesc_add_flag (field_type, 8, "TF");
> ++  tdesc_add_flag (field_type, 9, "IF");
> ++  tdesc_add_flag (field_type, 10, "DF");
> ++  tdesc_add_flag (field_type, 11, "OF");
> ++  tdesc_add_flag (field_type, 14, "NT");
> ++  tdesc_add_flag (field_type, 16, "RF");
> ++  tdesc_add_flag (field_type, 17, "VM");
> ++  tdesc_add_flag (field_type, 18, "AC");
> ++  tdesc_add_flag (field_type, 19, "VIF");
> ++  tdesc_add_flag (field_type, 20, "VIP");
> ++  tdesc_add_flag (field_type, 21, "ID");
> ++
> ++  tdesc_create_reg (feature, "rax", 0, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rbx", 1, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rcx", 2, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rdx", 3, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rsi", 4, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rdi", 5, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rbp", 6, 1, NULL, 64, "data_ptr");
> ++  tdesc_create_reg (feature, "rsp", 7, 1, NULL, 64, "data_ptr");
> ++  tdesc_create_reg (feature, "r8", 8, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r9", 9, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r10", 10, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r11", 11, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r12", 12, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r13", 13, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r14", 14, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "r15", 15, 1, NULL, 64, "int64");
> ++  tdesc_create_reg (feature, "rip", 16, 1, NULL, 64, "code_ptr");
> ++  tdesc_create_reg (feature, "eflags", 17, 1, NULL, 32, "i386_eflags");
> ++  tdesc_create_reg (feature, "cs", 18, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "ss", 19, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "ds", 20, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "es", 21, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "fs", 22, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "gs", 23, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "st0", 24, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st1", 25, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st2", 26, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st3", 27, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st4", 28, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st5", 29, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st6", 30, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st7", 31, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "fctrl", 32, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fstat", 33, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "ftag", 34, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fiseg", 35, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fioff", 36, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "foseg", 37, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fooff", 38, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fop", 39, 1, "float", 32, "int");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.sse");
> ++  field_type = tdesc_named_type (feature, "ieee_single");
> ++  tdesc_create_vector (feature, "v4f", field_type, 4);
> ++
> ++  field_type = tdesc_named_type (feature, "ieee_double");
> ++  tdesc_create_vector (feature, "v2d", field_type, 2);
> ++
> ++  field_type = tdesc_named_type (feature, "int8");
> ++  tdesc_create_vector (feature, "v16i8", field_type, 16);
> ++
> ++  field_type = tdesc_named_type (feature, "int16");
> ++  tdesc_create_vector (feature, "v8i16", field_type, 8);
> ++
> ++  field_type = tdesc_named_type (feature, "int32");
> ++  tdesc_create_vector (feature, "v4i32", field_type, 4);
> ++
> ++  field_type = tdesc_named_type (feature, "int64");
> ++  tdesc_create_vector (feature, "v2i64", field_type, 2);
> ++
> ++  type = tdesc_create_union (feature, "vec128");
> ++  field_type = tdesc_named_type (feature, "v4f");
> ++  tdesc_add_field (type, "v4_float", field_type);
> ++  field_type = tdesc_named_type (feature, "v2d");
> ++  tdesc_add_field (type, "v2_double", field_type);
> ++  field_type = tdesc_named_type (feature, "v16i8");
> ++  tdesc_add_field (type, "v16_int8", field_type);
> ++  field_type = tdesc_named_type (feature, "v8i16");
> ++  tdesc_add_field (type, "v8_int16", field_type);
> ++  field_type = tdesc_named_type (feature, "v4i32");
> ++  tdesc_add_field (type, "v4_int32", field_type);
> ++  field_type = tdesc_named_type (feature, "v2i64");
> ++  tdesc_add_field (type, "v2_int64", field_type);
> ++  field_type = tdesc_named_type (feature, "uint128");
> ++  tdesc_add_field (type, "uint128", field_type);
> ++
> ++  field_type = tdesc_create_flags (feature, "i386_mxcsr", 4);
> ++  tdesc_add_flag (field_type, 0, "IE");
> ++  tdesc_add_flag (field_type, 1, "DE");
> ++  tdesc_add_flag (field_type, 2, "ZE");
> ++  tdesc_add_flag (field_type, 3, "OE");
> ++  tdesc_add_flag (field_type, 4, "UE");
> ++  tdesc_add_flag (field_type, 5, "PE");
> ++  tdesc_add_flag (field_type, 6, "DAZ");
> ++  tdesc_add_flag (field_type, 7, "IM");
> ++  tdesc_add_flag (field_type, 8, "DM");
> ++  tdesc_add_flag (field_type, 9, "ZM");
> ++  tdesc_add_flag (field_type, 10, "OM");
> ++  tdesc_add_flag (field_type, 11, "UM");
> ++  tdesc_add_flag (field_type, 12, "PM");
> ++  tdesc_add_flag (field_type, 15, "FZ");
> ++
> ++  tdesc_create_reg (feature, "xmm0", 40, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm1", 41, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm2", 42, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm3", 43, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm4", 44, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm5", 45, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm6", 46, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm7", 47, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm8", 48, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm9", 49, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm10", 50, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm11", 51, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm12", 52, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm13", 53, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm14", 54, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm15", 55, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "mxcsr", 56, 1, "vector", 32, "i386_mxcsr");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx");
> ++  tdesc_create_reg (feature, "ymm0h", 57, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm1h", 58, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm2h", 59, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm3h", 60, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm4h", 61, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm5h", 62, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm6h", 63, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm7h", 64, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm8h", 65, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm9h", 66, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm10h", 67, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm11h", 68, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm12h", 69, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm13h", 70, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm14h", 71, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm15h", 72, 1, NULL, 128, "uint128");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.mpx");
> ++  type = tdesc_create_struct (feature, "br128");
> ++  field_type = tdesc_named_type (feature, "uint64");
> ++  tdesc_add_field (type, "lbound", field_type);
> ++  field_type = tdesc_named_type (feature, "uint64");
> ++  tdesc_add_field (type, "ubound_raw", field_type);
> ++
> ++  type = tdesc_create_struct (feature, "_bndstatus");
> ++  tdesc_set_struct_size (type, 8);
> ++  tdesc_add_bitfield (type, "bde", 2, 63);
> ++  tdesc_add_bitfield (type, "error", 0, 1);
> ++
> ++  type = tdesc_create_union (feature, "status");
> ++  field_type = tdesc_named_type (feature, "data_ptr");
> ++  tdesc_add_field (type, "raw", field_type);
> ++  field_type = tdesc_named_type (feature, "_bndstatus");
> ++  tdesc_add_field (type, "status", field_type);
> ++
> ++  type = tdesc_create_struct (feature, "_bndcfgu");
> ++  tdesc_set_struct_size (type, 8);
> ++  tdesc_add_bitfield (type, "base", 12, 63);
> ++  tdesc_add_bitfield (type, "reserved", 2, 11);
> ++  tdesc_add_bitfield (type, "preserved", 1, 1);
> ++  tdesc_add_bitfield (type, "enabled", 0, 0);
> ++
> ++  type = tdesc_create_union (feature, "cfgu");
> ++  field_type = tdesc_named_type (feature, "data_ptr");
> ++  tdesc_add_field (type, "raw", field_type);
> ++  field_type = tdesc_named_type (feature, "_bndcfgu");
> ++  tdesc_add_field (type, "config", field_type);
> ++
> ++  tdesc_create_reg (feature, "bnd0raw", 73, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd1raw", 74, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd2raw", 75, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd3raw", 76, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bndcfgu", 77, 1, NULL, 64, "cfgu");
> ++  tdesc_create_reg (feature, "bndstatus", 78, 1, NULL, 64, "status");
> ++
> ++  tdesc_amd64_avx_mpx = result;
> ++}
> +Index: gdb-7.9.1/gdb/features/i386/amd64-avx-mpx.xml
> +===================================================================
> +--- /dev/null
> ++++ gdb-7.9.1/gdb/features/i386/amd64-avx-mpx.xml
> +@@ -0,0 +1,17 @@
> ++<?xml version="1.0"?>
> ++<!-- Copyright (C) 2013-2016 Free Software Foundation, Inc.
> ++
> ++     Copying and distribution of this file, with or without modification,
> ++     are permitted in any medium without royalty provided the copyright
> ++     notice and this notice are preserved.  -->
> ++
> ++<!-- AMD64 with AVX and MPX -->
> ++
> ++<!DOCTYPE target SYSTEM "gdb-target.dtd">
> ++<target>
> ++  <architecture>i386:x86-64</architecture>
> ++  <xi:include href="64bit-core.xml"/>
> ++  <xi:include href="64bit-sse.xml"/>
> ++  <xi:include href="64bit-avx.xml"/>
> ++  <xi:include href="64bit-mpx.xml"/>
> ++</target>
> +Index: gdb-7.9.1/gdb/features/i386/amd64-mpx-linux.c
> +===================================================================
> +--- gdb-7.9.1.orig/gdb/features/i386/amd64-mpx-linux.c
> ++++ gdb-7.9.1/gdb/features/i386/amd64-mpx-linux.c
> +@@ -151,24 +151,6 @@ initialize_tdesc_amd64_mpx_linux (void)
> +   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.linux");
> +   tdesc_create_reg (feature, "orig_rax", 57, 1, NULL, 64, "int");
> +
> +-  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx");
> +-  tdesc_create_reg (feature, "ymm0h", 58, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm1h", 59, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm2h", 60, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm3h", 61, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm4h", 62, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm5h", 63, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm6h", 64, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm7h", 65, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm8h", 66, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm9h", 67, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm10h", 68, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm11h", 69, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm12h", 70, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm13h", 71, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm14h", 72, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm15h", 73, 1, NULL, 128, "uint128");
> +-
> +   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.mpx");
> +   type = tdesc_create_struct (feature, "br128");
> +   field_type = tdesc_named_type (feature, "uint64");
> +@@ -200,12 +182,12 @@ initialize_tdesc_amd64_mpx_linux (void)
> +   field_type = tdesc_named_type (feature, "_bndcfgu");
> +   tdesc_add_field (type, "config", field_type);
> +
> +-  tdesc_create_reg (feature, "bnd0raw", 74, 1, NULL, 128, "br128");
> +-  tdesc_create_reg (feature, "bnd1raw", 75, 1, NULL, 128, "br128");
> +-  tdesc_create_reg (feature, "bnd2raw", 76, 1, NULL, 128, "br128");
> +-  tdesc_create_reg (feature, "bnd3raw", 77, 1, NULL, 128, "br128");
> +-  tdesc_create_reg (feature, "bndcfgu", 78, 1, NULL, 64, "cfgu");
> +-  tdesc_create_reg (feature, "bndstatus", 79, 1, NULL, 64, "status");
> ++  tdesc_create_reg (feature, "bnd0raw", 58, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd1raw", 59, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd2raw", 60, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd3raw", 61, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bndcfgu", 62, 1, NULL, 64, "cfgu");
> ++  tdesc_create_reg (feature, "bndstatus", 63, 1, NULL, 64, "status");
> +
> +   tdesc_amd64_mpx_linux = result;
> + }
> +Index: gdb-7.9.1/gdb/features/i386/amd64-mpx-linux.xml
> +===================================================================
> +--- gdb-7.9.1.orig/gdb/features/i386/amd64-mpx-linux.xml
> ++++ gdb-7.9.1/gdb/features/i386/amd64-mpx-linux.xml
> +@@ -14,6 +14,5 @@
> +   <xi:include href="64bit-core.xml"/>
> +   <xi:include href="64bit-sse.xml"/>
> +   <xi:include href="64bit-linux.xml"/>
> +-  <xi:include href="64bit-avx.xml"/>
> +   <xi:include href="64bit-mpx.xml"/>
> + </target>
> +Index: gdb-7.9.1/gdb/features/i386/amd64-mpx.c
> +===================================================================
> +--- gdb-7.9.1.orig/gdb/features/i386/amd64-mpx.c
> ++++ gdb-7.9.1/gdb/features/i386/amd64-mpx.c
> +@@ -146,24 +146,6 @@ initialize_tdesc_amd64_mpx (void)
> +   tdesc_create_reg (feature, "xmm15", 55, 1, NULL, 128, "vec128");
> +   tdesc_create_reg (feature, "mxcsr", 56, 1, "vector", 32, "i386_mxcsr");
> +
> +-  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx");
> +-  tdesc_create_reg (feature, "ymm0h", 57, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm1h", 58, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm2h", 59, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm3h", 60, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm4h", 61, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm5h", 62, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm6h", 63, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm7h", 64, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm8h", 65, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm9h", 66, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm10h", 67, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm11h", 68, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm12h", 69, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm13h", 70, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm14h", 71, 1, NULL, 128, "uint128");
> +-  tdesc_create_reg (feature, "ymm15h", 72, 1, NULL, 128, "uint128");
> +-
> +   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.mpx");
> +   type = tdesc_create_struct (feature, "br128");
> +   field_type = tdesc_named_type (feature, "uint64");
> +@@ -195,12 +177,12 @@ initialize_tdesc_amd64_mpx (void)
> +   field_type = tdesc_named_type (feature, "_bndcfgu");
> +   tdesc_add_field (type, "config", field_type);
> +
> +-  tdesc_create_reg (feature, "bnd0raw", 73, 1, NULL, 128, "br128");
> +-  tdesc_create_reg (feature, "bnd1raw", 74, 1, NULL, 128, "br128");
> +-  tdesc_create_reg (feature, "bnd2raw", 75, 1, NULL, 128, "br128");
> +-  tdesc_create_reg (feature, "bnd3raw", 76, 1, NULL, 128, "br128");
> +-  tdesc_create_reg (feature, "bndcfgu", 77, 1, NULL, 64, "cfgu");
> +-  tdesc_create_reg (feature, "bndstatus", 78, 1, NULL, 64, "status");
> ++  tdesc_create_reg (feature, "bnd0raw", 57, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd1raw", 58, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd2raw", 59, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd3raw", 60, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bndcfgu", 61, 1, NULL, 64, "cfgu");
> ++  tdesc_create_reg (feature, "bndstatus", 62, 1, NULL, 64, "status");
> +
> +   tdesc_amd64_mpx = result;
> + }
> +Index: gdb-7.9.1/gdb/features/i386/amd64-mpx.xml
> +===================================================================
> +--- gdb-7.9.1.orig/gdb/features/i386/amd64-mpx.xml
> ++++ gdb-7.9.1/gdb/features/i386/amd64-mpx.xml
> +@@ -12,6 +12,5 @@
> +   <architecture>i386:x86-64</architecture>
> +   <xi:include href="64bit-core.xml"/>
> +   <xi:include href="64bit-sse.xml"/>
> +-  <xi:include href="64bit-avx.xml"/>
> +   <xi:include href="64bit-mpx.xml"/>
> + </target>
> +Index: gdb-7.9.1/gdb/features/i386/i386-avx-mpx-linux.c
> +===================================================================
> +--- /dev/null
> ++++ gdb-7.9.1/gdb/features/i386/i386-avx-mpx-linux.c
> +@@ -0,0 +1,187 @@
> ++/* THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi:set ro:
> ++  Original: i386-avx-mpx-linux.xml */
> ++
> ++#include "defs.h"
> ++#include "osabi.h"
> ++#include "target-descriptions.h"
> ++
> ++struct target_desc *tdesc_i386_avx_mpx_linux;
> ++static void
> ++initialize_tdesc_i386_avx_mpx_linux (void)
> ++{
> ++  struct target_desc *result = allocate_target_description ();
> ++  struct tdesc_feature *feature;
> ++  struct tdesc_type *field_type;
> ++  struct tdesc_type *type;
> ++
> ++  set_tdesc_architecture (result, bfd_scan_arch ("i386"));
> ++
> ++  set_tdesc_osabi (result, osabi_from_tdesc_string ("GNU/Linux"));
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.core");
> ++  field_type = tdesc_create_flags (feature, "i386_eflags", 4);
> ++  tdesc_add_flag (field_type, 0, "CF");
> ++  tdesc_add_flag (field_type, 1, "");
> ++  tdesc_add_flag (field_type, 2, "PF");
> ++  tdesc_add_flag (field_type, 4, "AF");
> ++  tdesc_add_flag (field_type, 6, "ZF");
> ++  tdesc_add_flag (field_type, 7, "SF");
> ++  tdesc_add_flag (field_type, 8, "TF");
> ++  tdesc_add_flag (field_type, 9, "IF");
> ++  tdesc_add_flag (field_type, 10, "DF");
> ++  tdesc_add_flag (field_type, 11, "OF");
> ++  tdesc_add_flag (field_type, 14, "NT");
> ++  tdesc_add_flag (field_type, 16, "RF");
> ++  tdesc_add_flag (field_type, 17, "VM");
> ++  tdesc_add_flag (field_type, 18, "AC");
> ++  tdesc_add_flag (field_type, 19, "VIF");
> ++  tdesc_add_flag (field_type, 20, "VIP");
> ++  tdesc_add_flag (field_type, 21, "ID");
> ++
> ++  tdesc_create_reg (feature, "eax", 0, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "ecx", 1, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "edx", 2, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "ebx", 3, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "esp", 4, 1, NULL, 32, "data_ptr");
> ++  tdesc_create_reg (feature, "ebp", 5, 1, NULL, 32, "data_ptr");
> ++  tdesc_create_reg (feature, "esi", 6, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "edi", 7, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "eip", 8, 1, NULL, 32, "code_ptr");
> ++  tdesc_create_reg (feature, "eflags", 9, 1, NULL, 32, "i386_eflags");
> ++  tdesc_create_reg (feature, "cs", 10, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "ss", 11, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "ds", 12, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "es", 13, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "fs", 14, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "gs", 15, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "st0", 16, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st1", 17, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st2", 18, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st3", 19, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st4", 20, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st5", 21, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st6", 22, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st7", 23, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "fctrl", 24, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fstat", 25, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "ftag", 26, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fiseg", 27, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fioff", 28, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "foseg", 29, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fooff", 30, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fop", 31, 1, "float", 32, "int");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.sse");
> ++  field_type = tdesc_named_type (feature, "ieee_single");
> ++  tdesc_create_vector (feature, "v4f", field_type, 4);
> ++
> ++  field_type = tdesc_named_type (feature, "ieee_double");
> ++  tdesc_create_vector (feature, "v2d", field_type, 2);
> ++
> ++  field_type = tdesc_named_type (feature, "int8");
> ++  tdesc_create_vector (feature, "v16i8", field_type, 16);
> ++
> ++  field_type = tdesc_named_type (feature, "int16");
> ++  tdesc_create_vector (feature, "v8i16", field_type, 8);
> ++
> ++  field_type = tdesc_named_type (feature, "int32");
> ++  tdesc_create_vector (feature, "v4i32", field_type, 4);
> ++
> ++  field_type = tdesc_named_type (feature, "int64");
> ++  tdesc_create_vector (feature, "v2i64", field_type, 2);
> ++
> ++  type = tdesc_create_union (feature, "vec128");
> ++  field_type = tdesc_named_type (feature, "v4f");
> ++  tdesc_add_field (type, "v4_float", field_type);
> ++  field_type = tdesc_named_type (feature, "v2d");
> ++  tdesc_add_field (type, "v2_double", field_type);
> ++  field_type = tdesc_named_type (feature, "v16i8");
> ++  tdesc_add_field (type, "v16_int8", field_type);
> ++  field_type = tdesc_named_type (feature, "v8i16");
> ++  tdesc_add_field (type, "v8_int16", field_type);
> ++  field_type = tdesc_named_type (feature, "v4i32");
> ++  tdesc_add_field (type, "v4_int32", field_type);
> ++  field_type = tdesc_named_type (feature, "v2i64");
> ++  tdesc_add_field (type, "v2_int64", field_type);
> ++  field_type = tdesc_named_type (feature, "uint128");
> ++  tdesc_add_field (type, "uint128", field_type);
> ++
> ++  field_type = tdesc_create_flags (feature, "i386_mxcsr", 4);
> ++  tdesc_add_flag (field_type, 0, "IE");
> ++  tdesc_add_flag (field_type, 1, "DE");
> ++  tdesc_add_flag (field_type, 2, "ZE");
> ++  tdesc_add_flag (field_type, 3, "OE");
> ++  tdesc_add_flag (field_type, 4, "UE");
> ++  tdesc_add_flag (field_type, 5, "PE");
> ++  tdesc_add_flag (field_type, 6, "DAZ");
> ++  tdesc_add_flag (field_type, 7, "IM");
> ++  tdesc_add_flag (field_type, 8, "DM");
> ++  tdesc_add_flag (field_type, 9, "ZM");
> ++  tdesc_add_flag (field_type, 10, "OM");
> ++  tdesc_add_flag (field_type, 11, "UM");
> ++  tdesc_add_flag (field_type, 12, "PM");
> ++  tdesc_add_flag (field_type, 15, "FZ");
> ++
> ++  tdesc_create_reg (feature, "xmm0", 32, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm1", 33, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm2", 34, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm3", 35, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm4", 36, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm5", 37, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm6", 38, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm7", 39, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "mxcsr", 40, 1, "vector", 32, "i386_mxcsr");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.linux");
> ++  tdesc_create_reg (feature, "orig_eax", 41, 1, NULL, 32, "int");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx");
> ++  tdesc_create_reg (feature, "ymm0h", 42, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm1h", 43, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm2h", 44, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm3h", 45, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm4h", 46, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm5h", 47, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm6h", 48, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm7h", 49, 1, NULL, 128, "uint128");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.mpx");
> ++  type = tdesc_create_struct (feature, "br128");
> ++  field_type = tdesc_named_type (feature, "uint64");
> ++  tdesc_add_field (type, "lbound", field_type);
> ++  field_type = tdesc_named_type (feature, "uint64");
> ++  tdesc_add_field (type, "ubound_raw", field_type);
> ++
> ++  type = tdesc_create_struct (feature, "_bndstatus");
> ++  tdesc_set_struct_size (type, 8);
> ++  tdesc_add_bitfield (type, "bde", 2, 31);
> ++  tdesc_add_bitfield (type, "error", 0, 1);
> ++
> ++  type = tdesc_create_union (feature, "status");
> ++  field_type = tdesc_named_type (feature, "data_ptr");
> ++  tdesc_add_field (type, "raw", field_type);
> ++  field_type = tdesc_named_type (feature, "_bndstatus");
> ++  tdesc_add_field (type, "status", field_type);
> ++
> ++  type = tdesc_create_struct (feature, "_bndcfgu");
> ++  tdesc_set_struct_size (type, 8);
> ++  tdesc_add_bitfield (type, "base", 12, 31);
> ++  tdesc_add_bitfield (type, "reserved", 2, 11);
> ++  tdesc_add_bitfield (type, "preserved", 1, 1);
> ++  tdesc_add_bitfield (type, "enabled", 0, 1);
> ++
> ++  type = tdesc_create_union (feature, "cfgu");
> ++  field_type = tdesc_named_type (feature, "data_ptr");
> ++  tdesc_add_field (type, "raw", field_type);
> ++  field_type = tdesc_named_type (feature, "_bndcfgu");
> ++  tdesc_add_field (type, "config", field_type);
> ++
> ++  tdesc_create_reg (feature, "bnd0raw", 50, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd1raw", 51, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd2raw", 52, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd3raw", 53, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bndcfgu", 54, 1, NULL, 64, "cfgu");
> ++  tdesc_create_reg (feature, "bndstatus", 55, 1, NULL, 64, "status");
> ++
> ++  tdesc_i386_avx_mpx_linux = result;
> ++}
> +Index: gdb-7.9.1/gdb/features/i386/i386-avx-mpx-linux.xml
> +===================================================================
> +--- /dev/null
> ++++ gdb-7.9.1/gdb/features/i386/i386-avx-mpx-linux.xml
> +@@ -0,0 +1,19 @@
> ++<?xml version="1.0"?>
> ++<!-- Copyright (C) 2013-2016 Free Software Foundation, Inc.
> ++
> ++     Copying and distribution of this file, with or without modification,
> ++     are permitted in any medium without royalty provided the copyright
> ++     notice and this notice are preserved.  -->
> ++
> ++<!-- I386 with AVX and MPX- Includes Linux-only special "register".  -->
> ++
> ++<!DOCTYPE target SYSTEM "gdb-target.dtd">
> ++<target>
> ++  <architecture>i386</architecture>
> ++  <osabi>GNU/Linux</osabi>
> ++  <xi:include href="32bit-core.xml"/>
> ++  <xi:include href="32bit-sse.xml"/>
> ++  <xi:include href="32bit-linux.xml"/>
> ++  <xi:include href="32bit-avx.xml"/>
> ++  <xi:include href="32bit-mpx.xml"/>
> ++</target>
> +Index: gdb-7.9.1/gdb/features/i386/i386-avx-mpx.c
> +===================================================================
> +--- /dev/null
> ++++ gdb-7.9.1/gdb/features/i386/i386-avx-mpx.c
> +@@ -0,0 +1,182 @@
> ++/* THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi:set ro:
> ++  Original: i386-avx-mpx.xml */
> ++
> ++#include "defs.h"
> ++#include "osabi.h"
> ++#include "target-descriptions.h"
> ++
> ++struct target_desc *tdesc_i386_avx_mpx;
> ++static void
> ++initialize_tdesc_i386_avx_mpx (void)
> ++{
> ++  struct target_desc *result = allocate_target_description ();
> ++  struct tdesc_feature *feature;
> ++  struct tdesc_type *field_type;
> ++  struct tdesc_type *type;
> ++
> ++  set_tdesc_architecture (result, bfd_scan_arch ("i386"));
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.core");
> ++  field_type = tdesc_create_flags (feature, "i386_eflags", 4);
> ++  tdesc_add_flag (field_type, 0, "CF");
> ++  tdesc_add_flag (field_type, 1, "");
> ++  tdesc_add_flag (field_type, 2, "PF");
> ++  tdesc_add_flag (field_type, 4, "AF");
> ++  tdesc_add_flag (field_type, 6, "ZF");
> ++  tdesc_add_flag (field_type, 7, "SF");
> ++  tdesc_add_flag (field_type, 8, "TF");
> ++  tdesc_add_flag (field_type, 9, "IF");
> ++  tdesc_add_flag (field_type, 10, "DF");
> ++  tdesc_add_flag (field_type, 11, "OF");
> ++  tdesc_add_flag (field_type, 14, "NT");
> ++  tdesc_add_flag (field_type, 16, "RF");
> ++  tdesc_add_flag (field_type, 17, "VM");
> ++  tdesc_add_flag (field_type, 18, "AC");
> ++  tdesc_add_flag (field_type, 19, "VIF");
> ++  tdesc_add_flag (field_type, 20, "VIP");
> ++  tdesc_add_flag (field_type, 21, "ID");
> ++
> ++  tdesc_create_reg (feature, "eax", 0, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "ecx", 1, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "edx", 2, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "ebx", 3, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "esp", 4, 1, NULL, 32, "data_ptr");
> ++  tdesc_create_reg (feature, "ebp", 5, 1, NULL, 32, "data_ptr");
> ++  tdesc_create_reg (feature, "esi", 6, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "edi", 7, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "eip", 8, 1, NULL, 32, "code_ptr");
> ++  tdesc_create_reg (feature, "eflags", 9, 1, NULL, 32, "i386_eflags");
> ++  tdesc_create_reg (feature, "cs", 10, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "ss", 11, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "ds", 12, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "es", 13, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "fs", 14, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "gs", 15, 1, NULL, 32, "int32");
> ++  tdesc_create_reg (feature, "st0", 16, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st1", 17, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st2", 18, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st3", 19, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st4", 20, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st5", 21, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st6", 22, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "st7", 23, 1, NULL, 80, "i387_ext");
> ++  tdesc_create_reg (feature, "fctrl", 24, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fstat", 25, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "ftag", 26, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fiseg", 27, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fioff", 28, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "foseg", 29, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fooff", 30, 1, "float", 32, "int");
> ++  tdesc_create_reg (feature, "fop", 31, 1, "float", 32, "int");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.sse");
> ++  field_type = tdesc_named_type (feature, "ieee_single");
> ++  tdesc_create_vector (feature, "v4f", field_type, 4);
> ++
> ++  field_type = tdesc_named_type (feature, "ieee_double");
> ++  tdesc_create_vector (feature, "v2d", field_type, 2);
> ++
> ++  field_type = tdesc_named_type (feature, "int8");
> ++  tdesc_create_vector (feature, "v16i8", field_type, 16);
> ++
> ++  field_type = tdesc_named_type (feature, "int16");
> ++  tdesc_create_vector (feature, "v8i16", field_type, 8);
> ++
> ++  field_type = tdesc_named_type (feature, "int32");
> ++  tdesc_create_vector (feature, "v4i32", field_type, 4);
> ++
> ++  field_type = tdesc_named_type (feature, "int64");
> ++  tdesc_create_vector (feature, "v2i64", field_type, 2);
> ++
> ++  type = tdesc_create_union (feature, "vec128");
> ++  field_type = tdesc_named_type (feature, "v4f");
> ++  tdesc_add_field (type, "v4_float", field_type);
> ++  field_type = tdesc_named_type (feature, "v2d");
> ++  tdesc_add_field (type, "v2_double", field_type);
> ++  field_type = tdesc_named_type (feature, "v16i8");
> ++  tdesc_add_field (type, "v16_int8", field_type);
> ++  field_type = tdesc_named_type (feature, "v8i16");
> ++  tdesc_add_field (type, "v8_int16", field_type);
> ++  field_type = tdesc_named_type (feature, "v4i32");
> ++  tdesc_add_field (type, "v4_int32", field_type);
> ++  field_type = tdesc_named_type (feature, "v2i64");
> ++  tdesc_add_field (type, "v2_int64", field_type);
> ++  field_type = tdesc_named_type (feature, "uint128");
> ++  tdesc_add_field (type, "uint128", field_type);
> ++
> ++  field_type = tdesc_create_flags (feature, "i386_mxcsr", 4);
> ++  tdesc_add_flag (field_type, 0, "IE");
> ++  tdesc_add_flag (field_type, 1, "DE");
> ++  tdesc_add_flag (field_type, 2, "ZE");
> ++  tdesc_add_flag (field_type, 3, "OE");
> ++  tdesc_add_flag (field_type, 4, "UE");
> ++  tdesc_add_flag (field_type, 5, "PE");
> ++  tdesc_add_flag (field_type, 6, "DAZ");
> ++  tdesc_add_flag (field_type, 7, "IM");
> ++  tdesc_add_flag (field_type, 8, "DM");
> ++  tdesc_add_flag (field_type, 9, "ZM");
> ++  tdesc_add_flag (field_type, 10, "OM");
> ++  tdesc_add_flag (field_type, 11, "UM");
> ++  tdesc_add_flag (field_type, 12, "PM");
> ++  tdesc_add_flag (field_type, 15, "FZ");
> ++
> ++  tdesc_create_reg (feature, "xmm0", 32, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm1", 33, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm2", 34, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm3", 35, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm4", 36, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm5", 37, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm6", 38, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "xmm7", 39, 1, NULL, 128, "vec128");
> ++  tdesc_create_reg (feature, "mxcsr", 40, 1, "vector", 32, "i386_mxcsr");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx");
> ++  tdesc_create_reg (feature, "ymm0h", 41, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm1h", 42, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm2h", 43, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm3h", 44, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm4h", 45, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm5h", 46, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm6h", 47, 1, NULL, 128, "uint128");
> ++  tdesc_create_reg (feature, "ymm7h", 48, 1, NULL, 128, "uint128");
> ++
> ++  feature = tdesc_create_feature (result, "org.gnu.gdb.i386.mpx");
> ++  type = tdesc_create_struct (feature, "br128");
> ++  field_type = tdesc_named_type (feature, "uint64");
> ++  tdesc_add_field (type, "lbound", field_type);
> ++  field_type = tdesc_named_type (feature, "uint64");
> ++  tdesc_add_field (type, "ubound_raw", field_type);
> ++
> ++  type = tdesc_create_struct (feature, "_bndstatus");
> ++  tdesc_set_struct_size (type, 8);
> ++  tdesc_add_bitfield (type, "bde", 2, 31);
> ++  tdesc_add_bitfield (type, "error", 0, 1);
> ++
> ++  type = tdesc_create_union (feature, "status");
> ++  field_type = tdesc_named_type (feature, "data_ptr");
> ++  tdesc_add_field (type, "raw", field_type);
> ++  field_type = tdesc_named_type (feature, "_bndstatus");
> ++  tdesc_add_field (type, "status", field_type);
> ++
> ++  type = tdesc_create_struct (feature, "_bndcfgu");
> ++  tdesc_set_struct_size (type, 8);
> ++  tdesc_add_bitfield (type, "base", 12, 31);
> ++  tdesc_add_bitfield (type, "reserved", 2, 11);
> ++  tdesc_add_bitfield (type, "preserved", 1, 1);
> ++  tdesc_add_bitfield (type, "enabled", 0, 1);
> ++
> ++  type = tdesc_create_union (feature, "cfgu");
> ++  field_type = tdesc_named_type (feature, "data_ptr");
> ++  tdesc_add_field (type, "raw", field_type);
> ++  field_type = tdesc_named_type (feature, "_bndcfgu");
> ++  tdesc_add_field (type, "config", field_type);
> ++
> ++  tdesc_create_reg (feature, "bnd0raw", 49, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd1raw", 50, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd2raw", 51, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bnd3raw", 52, 1, NULL, 128, "br128");
> ++  tdesc_create_reg (feature, "bndcfgu", 53, 1, NULL, 64, "cfgu");
> ++  tdesc_create_reg (feature, "bndstatus", 54, 1, NULL, 64, "status");
> ++
> ++  tdesc_i386_avx_mpx = result;
> ++}
> +Index: gdb-7.9.1/gdb/features/i386/i386-avx-mpx.xml
> +===================================================================
> +--- /dev/null
> ++++ gdb-7.9.1/gdb/features/i386/i386-avx-mpx.xml
> +@@ -0,0 +1,17 @@
> ++<?xml version="1.0"?>
> ++<!-- Copyright (C) 2013-2016 Free Software Foundation, Inc.
> ++
> ++     Copying and distribution of this file, with or without modification,
> ++     are permitted in any medium without royalty provided the copyright
> ++     notice and this notice are preserved.  -->
> ++
> ++<!-- I386 with AVX and MPX -->
> ++
> ++<!DOCTYPE target SYSTEM "gdb-target.dtd">
> ++<target>
> ++  <architecture>i386</architecture>
> ++  <xi:include href="32bit-core.xml"/>
> ++  <xi:include href="32bit-sse.xml"/>
> ++  <xi:include href="32bit-avx.xml"/>
> ++  --
> 2.5.0
>
> --
> _______________________________________________
> Openembedded-core mailing list
> Openembedded-core at lists.openembedded.org <javascript:;>
> http://lists.openembedded.org/mailman/listinfo/openembedded-core
>
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