Add IA64_MAX_FP_REGISTER_SIZE

[deliverable/binutils-gdb.git] / gdb / x86-linux-nat.c

diff --git a/gdb/x86-linux-nat.c b/gdb/x86-linux-nat.c
index 34a9257ba318933197d125b3678ed210a109b0de..7362282cbc654dc83ce03d6f6d658a4b8c09deaa 100644 (file)
--- a/gdb/x86-linux-nat.c
+++ b/gdb/x86-linux-nat.c
@@ -1,6 +1,6 @@
 /* Native-dependent code for GNU/Linux x86 (i386 and x86-64).
 
-   Copyright (C) 1999-2015 Free Software Foundation, Inc.
+   Copyright (C) 1999-2017 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -43,16 +43,6 @@
 #include "nat/x86-linux-dregs.h"
 #include "nat/linux-ptrace.h"
 
-/* Per-thread arch-specific data we want to keep.  */
-
-struct arch_lwp_info
-{
-  /* Non-zero if our copy differs from what's recorded in the thread.  */
-  int debug_registers_changed;
-};
-
-\f
-
 /* linux_nat_new_fork hook.   */
 
 static void
@@ -204,17 +194,27 @@ x86_linux_read_description (struct target_ops *ops)
 #ifdef __x86_64__
       switch (xcr0_features_bits)
        {
-       case X86_XSTATE_MPX_AVX512_MASK:
-       case X86_XSTATE_AVX512_MASK:
+       case X86_XSTATE_AVX_MPX_AVX512_PKU_MASK:
+         if (is_x32)
+           /* No MPX, PKU on x32, fall back to AVX-AVX512.  */
+           return tdesc_x32_avx_avx512_linux;
+         else
+           return tdesc_amd64_avx_mpx_avx512_pku_linux;
+       case X86_XSTATE_AVX_AVX512_MASK:
          if (is_x32)
-           return tdesc_x32_avx512_linux;
+           return tdesc_x32_avx_avx512_linux;
          else
-           return tdesc_amd64_avx512_linux;
+           return tdesc_amd64_avx_avx512_linux;
        case X86_XSTATE_MPX_MASK:
          if (is_x32)
            return tdesc_x32_avx_linux; /* No MPX on x32 using AVX.  */
          else
            return tdesc_amd64_mpx_linux;
+       case X86_XSTATE_AVX_MPX_MASK:
+         if (is_x32)
+           return tdesc_x32_avx_linux; /* No MPX on x32 using AVX.  */
+         else
+           return tdesc_amd64_avx_mpx_linux;
        case X86_XSTATE_AVX_MASK:
          if (is_x32)
            return tdesc_x32_avx_linux;
@@ -232,11 +232,14 @@ x86_linux_read_description (struct target_ops *ops)
     {
       switch (xcr0_features_bits)
        {
-       case X86_XSTATE_MPX_AVX512_MASK:
-       case X86_XSTATE_AVX512_MASK:
-         return tdesc_i386_avx512_linux;
+       case X86_XSTATE_AVX_MPX_AVX512_PKU_MASK:
+         return tdesc_i386_avx_mpx_avx512_pku_linux;
+       case X86_XSTATE_AVX_AVX512_MASK:
+         return tdesc_i386_avx_avx512_linux;
        case X86_XSTATE_MPX_MASK:
          return tdesc_i386_mpx_linux;
+       case X86_XSTATE_AVX_MPX_MASK:
+         return tdesc_i386_avx_mpx_linux;
        case X86_XSTATE_AVX_MASK:
          return tdesc_i386_avx_linux;
        default:
@@ -255,7 +258,6 @@ x86_linux_enable_btrace (struct target_ops *self, ptid_t ptid,
                         const struct btrace_config *conf)
 {
   struct btrace_target_info *tinfo;
-  struct gdbarch *gdbarch;
 
   errno = 0;
   tinfo = linux_enable_btrace (ptid, conf);
@@ -264,12 +266,6 @@ x86_linux_enable_btrace (struct target_ops *self, ptid_t ptid,
     error (_("Could not enable branch tracing for %s: %s."),
           target_pid_to_str (ptid), safe_strerror (errno));
 
-  /* Fill in the size of a pointer in bits.  */
-  if (tinfo->ptr_bits == 0)
-    {
-      gdbarch = target_thread_architecture (ptid);
-      tinfo->ptr_bits = gdbarch_ptr_bit (gdbarch);
-    }
   return tinfo;
 }