Segment support for x86_64, part 2

* amd64-tdep.c (amd64_address_to_pointer): New.
	(amd64_pointer_to_address): New.
	(amd64_init_abi): Register them.

gdb/amd64-linux-nat.c

@@ -170,6 +170,21 @@ amd64_linux_fetch_inferior_registers (struct target_ops *ops,
 
 	  amd64_supply_fxsave (regcache, -1, &fpregs);
 	}
+
+#ifndef HAVE_STRUCT_USER_REGS_STRUCT_FS_BASE
+      {
+	/* PTRACE_ARCH_PRCTL is obsolete since 2.6.25, where the
+	   fs_base and gs_base fields of user_regs_struct can be
+	   used directly.  */
+	unsigned long base;
+	if ((regnum == -1 || regnum == AMD64_FSBASE_REGNUM)
+	    && ptrace (PTRACE_ARCH_PRCTL, tid, &base, ARCH_GET_FS) == 0)
+	  regcache_raw_supply (regcache, AMD64_FSBASE_REGNUM, &base);
+	if ((regnum == -1 || regnum == AMD64_GSBASE_REGNUM)
+	    && ptrace (PTRACE_ARCH_PRCTL, tid, &base, ARCH_GET_GS) == 0)
+	  regcache_raw_supply (regcache, AMD64_GSBASE_REGNUM, &base);
+      }
+#endif
     }
 }
 
@@ -236,6 +251,27 @@ amd64_linux_store_inferior_registers (struct target_ops *ops,
 	  if (ptrace (PTRACE_SETFPREGS, tid, 0, (long) &fpregs) < 0)
 	    perror_with_name (_("Couldn't write floating point status"));
 	}
+
+#ifndef HAVE_STRUCT_USER_REGS_STRUCT_FS_BASE
+      {
+	/* PTRACE_ARCH_PRCTL is obsolete since 2.6.25, where the
+	   fs_base and gs_base fields of user_regs_struct can be
+	   used directly.  */
+	unsigned long base;
+	if (regnum == -1 || regnum == AMD64_FSBASE_REGNUM)
+	  {
+	    regcache_raw_collect (regcache, AMD64_FSBASE_REGNUM, &base);
+	    if (ptrace (PTRACE_ARCH_PRCTL, tid, &base, ARCH_SET_FS) < 0)
+	      perror_with_name (_("Couldn't write fs_base"));
+	  }
+	if (regnum == -1 || regnum == AMD64_GSBASE_REGNUM)
+	  {
+	    regcache_raw_collect (regcache, AMD64_GSBASE_REGNUM, &base);
+	    if (ptrace (PTRACE_ARCH_PRCTL, tid, &base, ARCH_SET_GS) < 0)
+	      perror_with_name (_("Couldn't write gs_base"));
+	  }
+      }
+#endif
     }
 }
 
@@ -247,10 +283,11 @@ ps_err_e
 ps_get_thread_area (const struct ps_prochandle *ph,
                     lwpid_t lwpid, int idx, void **base)
 {
+  ps_err_e result;
+
   if (gdbarch_bfd_arch_info (target_gdbarch ())->bits_per_word == 32)
     {
       unsigned int base_addr;
-      ps_err_e result;
 
       result = x86_linux_get_thread_area (lwpid, (void *) (long) idx,
 					  &base_addr);
@@ -260,63 +297,33 @@ ps_get_thread_area (const struct ps_prochandle *ph,
 	     a "long" and a "void *" are the same.  */
 	  (*base) = (void *) (long) base_addr;
 	}
-      return result;
     }
   else
     {
-      /* This definition comes from prctl.h, but some kernels may not
+      struct cleanup *old_chain;
-         have it.  */
+      struct regcache *regcache;
-#ifndef PTRACE_ARCH_PRCTL
+      enum amd64_regnum gdb_regnum;
-#define PTRACE_ARCH_PRCTL      30
+
-#endif
       /* FIXME: ezannoni-2003-07-09 see comment above about include
 	 file order.  We could be getting bogus values for these two.  */
       gdb_assert (FS < ELF_NGREG);
       gdb_assert (GS < ELF_NGREG);
-      switch (idx)
+      if (idx == FS)
-	{
+	gdb_regnum = AMD64_FSBASE_REGNUM;
-	case FS:
+      else if (idx == GS)
-#ifdef HAVE_STRUCT_USER_REGS_STRUCT_FS_BASE
+	gdb_regnum = AMD64_GSBASE_REGNUM;
-	    {
+      else
-	      /* PTRACE_ARCH_PRCTL is obsolete since 2.6.25, where the
+	return PS_BADADDR;
-		 fs_base and gs_base fields of user_regs_struct can be
+
-		 used directly.  */
+      old_chain = save_inferior_ptid ();
-	      unsigned long fs;
+      inferior_ptid = ptid_build (ptid_get_pid (ph->ptid), lwpid, 0);
-	      errno = 0;
+      regcache = get_thread_arch_regcache (inferior_ptid, target_gdbarch ());
-	      fs = ptrace (PTRACE_PEEKUSER, lwpid,
+      result = (regcache_raw_read (regcache, gdb_regnum, (gdb_byte *) base)
-			   offsetof (struct user_regs_struct, fs_base), 0);
+		== REG_VALID ? PS_OK : PS_ERR);
-	      if (errno == 0)
+      do_cleanups (old_chain);
-		{
-		  *base = (void *) fs;
-		  return PS_OK;
-		}
-	    }
-#endif
-	  if (ptrace (PTRACE_ARCH_PRCTL, lwpid, base, ARCH_GET_FS) == 0)
-	    return PS_OK;
-	  break;
-	case GS:
-#ifdef HAVE_STRUCT_USER_REGS_STRUCT_GS_BASE
-	    {
-	      unsigned long gs;
-	      errno = 0;
-	      gs = ptrace (PTRACE_PEEKUSER, lwpid,
-			   offsetof (struct user_regs_struct, gs_base), 0);
-	      if (errno == 0)
-		{
-		  *base = (void *) gs;
-		  return PS_OK;
-		}
-	    }
-#endif
-	  if (ptrace (PTRACE_ARCH_PRCTL, lwpid, base, ARCH_GET_GS) == 0)
-	    return PS_OK;
-	  break;
-	default:                   /* Should not happen.  */
-	  return PS_BADADDR;
-	}
     }
-  return PS_ERR;               /* ptrace failed.  */
+
+  return result;
 }
 
 

gdb/amd64-linux-tdep.c

@@ -102,6 +102,11 @@ int amd64_linux_gregset_reg_offset[] =
   -1, -1, -1, -1, -1, -1, -1, -1,
   -1, -1, -1, -1, -1, -1, -1, -1,
   -1, -1, -1, -1, -1, -1, -1, -1,
+#ifdef HAVE_STRUCT_USER_REGS_STRUCT_FS_BASE
+  21 * 8, 22 * 8,		/* fs_base, gs_base */
+#else
+  -1, -1,
+#endif
   15 * 8			      /* "orig_rax" */
 };
 

gdb/amd64-linux-tdep.h

@@ -26,7 +26,7 @@
 /* Register number for the "orig_rax" register.  If this register
    contains a value >= 0 it is interpreted as the system call number
    that the kernel is supposed to restart.  */
-#define AMD64_LINUX_ORIG_RAX_REGNUM (AMD64_ZMM31H_REGNUM + 1)
+#define AMD64_LINUX_ORIG_RAX_REGNUM (AMD64_NUM_REGS)
 
 /* Total number of registers for GNU/Linux.  */
 #define AMD64_LINUX_NUM_REGS (AMD64_LINUX_ORIG_RAX_REGNUM + 1)

gdb/amd64-tdep.c

@@ -2890,7 +2890,110 @@ const struct regset amd64_fpregset =
     NULL, amd64_supply_fpregset, amd64_collect_fpregset
   };
 
+/* Address classes.  */
 
+static int
+amd64_address_class_type_flags (int byte_size, int dwarf2_addr_class)
+{
+  switch (dwarf2_addr_class)
+    {
+    case 1: /* __seg_fs */
+      return TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
+    case 2: /* __seg_gs */
+      return TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2;
+    default:
+      return 0;
+    }
+}
+
+static const char *
+amd64_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags)
+{
+  if (type_flags & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1)
+    return "__seg_fs";
+  if (type_flags & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2)
+    return "__seg_gs";
+  return NULL;
+}
+
+static int
+amd64_address_class_name_to_type_flags (struct gdbarch *gdbarch,
+				        const char *name,
+				        int *type_flags_ptr)
+{
+  if (strcmp (name, "__seg_fs") == 0)
+    {
+      *type_flags_ptr = TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
+      return 1;
+    }
+  if (strcmp (name, "__seg_gs") == 0)
+    {
+      *type_flags_ptr = TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2;
+      return 1;
+    }
+  return 0;
+}
+
+static void
+amd64_address_to_pointer (struct gdbarch *gdbarch, struct type *type,
+			  gdb_byte *buf, CORE_ADDR addr)
+{
+  int regnum = -1;
+
+  switch (TYPE_ADDRESS_CLASS_ALL (type))
+    {
+    case TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1:
+      regnum = AMD64_FSBASE_REGNUM;
+      break;
+    case TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2:
+      regnum = AMD64_GSBASE_REGNUM;
+      break;
+    }
+  if (regnum >= 0)
+    {
+      struct regcache *regcache = get_current_regcache ();
+      ULONGEST base;
+
+      if (regcache_raw_read_unsigned (regcache, regnum, &base) == REG_VALID)
+	addr -= base;
+      /* ??? else error, but we have no way to signal that here.  */
+    }
+
+  store_unsigned_integer (buf, TYPE_LENGTH (type), BFD_ENDIAN_LITTLE, addr);
+}
+
+static CORE_ADDR
+amd64_pointer_to_address (struct gdbarch *gdbarch, struct type *type,
+			  const gdb_byte *buf)
+{
+  ULONGEST addr = extract_unsigned_integer (buf, TYPE_LENGTH (type),
+					    BFD_ENDIAN_LITTLE);
+  int regnum = -1;
+
+  switch (TYPE_ADDRESS_CLASS_ALL (type))
+    {
+    case TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1:
+      regnum = AMD64_FSBASE_REGNUM;
+      break;
+    case TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2:
+      regnum = AMD64_GSBASE_REGNUM;
+      break;
+    }
+  if (regnum >= 0)
+    {
+      struct regcache *regcache = get_current_regcache ();
+      ULONGEST base;
+
+      if (regcache_raw_read_unsigned (regcache, regnum, &base) == REG_VALID)
+	addr += base;
+      /* ??? else error, but we have no way to signal that here.  */
+    }
+
+  return addr;
+}
+
+
+
 /* Figure out where the longjmp will land.  Slurp the jmp_buf out of
    %rdi.  We expect its value to be a pointer to the jmp_buf structure
    from which we extract the address that we will land at.  This
@@ -2943,6 +3046,7 @@ amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 								    NULL };
   static const char *const stap_register_indirection_suffixes[] = { ")",
 								    NULL };
+  const struct tdesc_feature *feature;
 
   /* AMD64 generally uses `fxsave' instead of `fsave' for saving its
      floating-point registers.  */
@@ -2987,6 +3091,17 @@ amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
       tdep->bnd0r_regnum = AMD64_BND0R_REGNUM;
     }
 
+  feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.seg");
+  if (feature != NULL)
+    {
+      struct tdesc_arch_data *tdesc_data
+	= (struct tdesc_arch_data *) info.tdep_info;
+      tdesc_numbered_register (feature, tdesc_data,
+                               AMD64_FSBASE_REGNUM, "fs_base");
+      tdesc_numbered_register (feature, tdesc_data,
+                               AMD64_GSBASE_REGNUM, "gs_base");
+    }
+
   tdep->num_byte_regs = 20;
   tdep->num_word_regs = 16;
   tdep->num_dword_regs = 16;
@@ -3081,6 +3196,16 @@ amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_gdbarch_insn_is_call (gdbarch, amd64_insn_is_call);
   set_gdbarch_insn_is_ret (gdbarch, amd64_insn_is_ret);
   set_gdbarch_insn_is_jump (gdbarch, amd64_insn_is_jump);
+
+  /* Address handling.  */
+  set_gdbarch_address_class_type_flags
+    (gdbarch, amd64_address_class_type_flags);
+  set_gdbarch_address_class_type_flags_to_name
+    (gdbarch, amd64_address_class_type_flags_to_name);
+  set_gdbarch_address_class_name_to_type_flags
+    (gdbarch, amd64_address_class_name_to_type_flags);
+  set_gdbarch_address_to_pointer (gdbarch, amd64_address_to_pointer);
+  set_gdbarch_pointer_to_address (gdbarch, amd64_pointer_to_address);
 }
 
 

gdb/amd64-tdep.h

@@ -76,13 +76,15 @@ enum amd64_regnum
   AMD64_K0_REGNUM,
   AMD64_K7_REGNUM = AMD64_K0_REGNUM + 7,
   AMD64_ZMM0H_REGNUM,
-  AMD64_ZMM31H_REGNUM = AMD64_ZMM0H_REGNUM + 31
+  AMD64_ZMM31H_REGNUM = AMD64_ZMM0H_REGNUM + 31,
+  AMD64_FSBASE_REGNUM,
+  AMD64_GSBASE_REGNUM
 };
 
 /* Number of general purpose registers.  */
 #define AMD64_NUM_GREGS		24
 
-#define AMD64_NUM_REGS		(AMD64_ZMM31H_REGNUM + 1)
+#define AMD64_NUM_REGS		(AMD64_GSBASE_REGNUM + 1)
 
 extern struct target_desc *tdesc_amd64;
 

gdb/features/i386/64bit-seg.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2010-2015 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.  -->
+
+<!DOCTYPE feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.i386.seg">
+  <reg name="fs_base" bitsize="64" type="data_ptr"/>
+  <reg name="gs_base" bitsize="64" type="data_ptr"/>
+</feature>

gdb/features/i386/amd64-avx-linux.c

@@ -151,23 +151,27 @@ initialize_tdesc_amd64_avx_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.seg");
+  tdesc_create_reg (feature, "fs_base", 58, 1, NULL, 64, "data_ptr");
+  tdesc_create_reg (feature, "gs_base", 59, 1, NULL, 64, "data_ptr");
+
   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx");
-  tdesc_create_reg (feature, "ymm0h", 58, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm0h", 60, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm1h", 59, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm1h", 61, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm2h", 60, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm2h", 62, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm3h", 61, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm3h", 63, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm4h", 62, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm4h", 64, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm5h", 63, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm5h", 65, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm6h", 64, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm6h", 66, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm7h", 65, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm7h", 67, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm8h", 66, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm8h", 68, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm9h", 67, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm9h", 69, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm10h", 68, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm10h", 70, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm11h", 69, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm11h", 71, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm12h", 70, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm12h", 72, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm13h", 71, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm13h", 73, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm14h", 72, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm14h", 74, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm15h", 73, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm15h", 75, 1, NULL, 128, "uint128");
 
   tdesc_amd64_avx_linux = result;
 }

gdb/features/i386/amd64-avx-linux.xml

@@ -14,5 +14,6 @@
   <xi:include href="64bit-core.xml"/>
   <xi:include href="64bit-sse.xml"/>
   <xi:include href="64bit-linux.xml"/>
+  <xi:include href="64bit-seg.xml"/>
   <xi:include href="64bit-avx.xml"/>
 </target>

gdb/features/i386/amd64-avx512-linux.c

@@ -151,23 +151,27 @@ initialize_tdesc_amd64_avx512_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.seg");
+  tdesc_create_reg (feature, "fs_base", 58, 1, NULL, 64, "data_ptr");
+  tdesc_create_reg (feature, "gs_base", 59, 1, NULL, 64, "data_ptr");
+
   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx");
-  tdesc_create_reg (feature, "ymm0h", 58, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm0h", 60, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm1h", 59, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm1h", 61, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm2h", 60, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm2h", 62, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm3h", 61, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm3h", 63, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm4h", 62, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm4h", 64, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm5h", 63, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm5h", 65, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm6h", 64, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm6h", 66, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm7h", 65, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm7h", 67, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm8h", 66, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm8h", 68, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm9h", 67, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm9h", 69, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm10h", 68, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm10h", 70, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm11h", 69, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm11h", 71, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm12h", 70, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm12h", 72, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm13h", 71, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm13h", 73, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm14h", 72, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm14h", 74, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm15h", 73, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm15h", 75, 1, NULL, 128, "uint128");
 
   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.mpx");
   type = tdesc_create_struct (feature, "br128");
@@ -200,12 +204,12 @@ initialize_tdesc_amd64_avx512_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, "bnd0raw", 76, 1, NULL, 128, "br128");
-  tdesc_create_reg (feature, "bnd1raw", 75, 1, NULL, 128, "br128");
+  tdesc_create_reg (feature, "bnd1raw", 77, 1, NULL, 128, "br128");
-  tdesc_create_reg (feature, "bnd2raw", 76, 1, NULL, 128, "br128");
+  tdesc_create_reg (feature, "bnd2raw", 78, 1, NULL, 128, "br128");
-  tdesc_create_reg (feature, "bnd3raw", 77, 1, NULL, 128, "br128");
+  tdesc_create_reg (feature, "bnd3raw", 79, 1, NULL, 128, "br128");
-  tdesc_create_reg (feature, "bndcfgu", 78, 1, NULL, 64, "cfgu");
+  tdesc_create_reg (feature, "bndcfgu", 80, 1, NULL, 64, "cfgu");
-  tdesc_create_reg (feature, "bndstatus", 79, 1, NULL, 64, "status");
+  tdesc_create_reg (feature, "bndstatus", 81, 1, NULL, 64, "status");
 
   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx512");
   field_type = tdesc_named_type (feature, "ieee_single");
@@ -245,78 +249,78 @@ initialize_tdesc_amd64_avx512_linux (void)
   field_type = tdesc_named_type (feature, "uint128");
   tdesc_create_vector (feature, "v2ui128", field_type, 2);
 
-  tdesc_create_reg (feature, "xmm16", 80, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm16", 82, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm17", 81, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm17", 83, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm18", 82, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm18", 84, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm19", 83, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm19", 85, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm20", 84, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm20", 86, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm21", 85, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm21", 87, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm22", 86, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm22", 88, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm23", 87, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm23", 89, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm24", 88, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm24", 90, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm25", 89, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm25", 91, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm26", 90, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm26", 92, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm27", 91, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm27", 93, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm28", 92, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm28", 94, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm29", 93, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm29", 95, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm30", 94, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm30", 96, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm31", 95, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm31", 97, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "ymm16h", 96, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm16h", 98, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm17h", 97, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm17h", 99, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm18h", 98, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm18h", 100, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm19h", 99, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm19h", 101, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm20h", 100, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm20h", 102, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm21h", 101, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm21h", 103, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm22h", 102, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm22h", 104, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm23h", 103, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm23h", 105, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm24h", 104, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm24h", 106, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm25h", 105, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm25h", 107, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm26h", 106, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm26h", 108, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm27h", 107, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm27h", 109, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm28h", 108, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm28h", 110, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm29h", 109, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm29h", 111, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm30h", 110, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm30h", 112, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm31h", 111, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm31h", 113, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "k0", 112, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k0", 114, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k1", 113, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k1", 115, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k2", 114, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k2", 116, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k3", 115, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k3", 117, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k4", 116, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k4", 118, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k5", 117, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k5", 119, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k6", 118, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k6", 120, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k7", 119, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k7", 121, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "zmm0h", 120, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm0h", 122, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm1h", 121, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm1h", 123, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm2h", 122, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm2h", 124, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm3h", 123, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm3h", 125, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm4h", 124, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm4h", 126, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm5h", 125, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm5h", 127, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm6h", 126, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm6h", 128, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm7h", 127, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm7h", 129, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm8h", 128, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm8h", 130, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm9h", 129, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm9h", 131, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm10h", 130, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm10h", 132, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm11h", 131, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm11h", 133, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm12h", 132, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm12h", 134, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm13h", 133, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm13h", 135, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm14h", 134, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm14h", 136, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm15h", 135, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm15h", 137, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm16h", 136, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm16h", 138, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm17h", 137, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm17h", 139, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm18h", 138, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm18h", 140, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm19h", 139, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm19h", 141, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm20h", 140, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm20h", 142, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm21h", 141, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm21h", 143, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm22h", 142, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm22h", 144, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm23h", 143, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm23h", 145, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm24h", 144, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm24h", 146, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm25h", 145, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm25h", 147, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm26h", 146, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm26h", 148, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm27h", 147, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm27h", 149, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm28h", 148, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm28h", 150, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm29h", 149, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm29h", 151, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm30h", 150, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm30h", 152, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm31h", 151, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm31h", 153, 1, NULL, 256, "v2ui128");
 
   tdesc_amd64_avx512_linux = result;
 }

gdb/features/i386/amd64-avx512-linux.xml

@@ -14,6 +14,7 @@
   <xi:include href="64bit-core.xml"/>
   <xi:include href="64bit-sse.xml"/>
   <xi:include href="64bit-linux.xml"/>
+  <xi:include href="64bit-seg.xml"/>
   <xi:include href="64bit-avx.xml"/>
   <xi:include href="64bit-mpx.xml"/>
   <xi:include href="64bit-avx512.xml"/>

gdb/features/i386/amd64-linux.c

@@ -151,5 +151,9 @@ initialize_tdesc_amd64_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.seg");
+  tdesc_create_reg (feature, "fs_base", 58, 1, NULL, 64, "data_ptr");
+  tdesc_create_reg (feature, "gs_base", 59, 1, NULL, 64, "data_ptr");
+
   tdesc_amd64_linux = result;
 }

gdb/features/i386/amd64-linux.xml

@@ -14,4 +14,5 @@
   <xi:include href="64bit-core.xml"/>
   <xi:include href="64bit-sse.xml"/>
   <xi:include href="64bit-linux.xml"/>
+  <xi:include href="64bit-seg.xml"/>
 </target>

gdb/features/i386/amd64-mpx-linux.c

@@ -151,23 +151,27 @@ 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.seg");
+  tdesc_create_reg (feature, "fs_base", 58, 1, NULL, 64, "data_ptr");
+  tdesc_create_reg (feature, "gs_base", 59, 1, NULL, 64, "data_ptr");
+
   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx");
-  tdesc_create_reg (feature, "ymm0h", 58, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm0h", 60, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm1h", 59, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm1h", 61, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm2h", 60, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm2h", 62, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm3h", 61, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm3h", 63, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm4h", 62, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm4h", 64, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm5h", 63, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm5h", 65, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm6h", 64, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm6h", 66, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm7h", 65, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm7h", 67, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm8h", 66, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm8h", 68, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm9h", 67, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm9h", 69, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm10h", 68, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm10h", 70, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm11h", 69, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm11h", 71, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm12h", 70, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm12h", 72, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm13h", 71, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm13h", 73, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm14h", 72, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm14h", 74, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm15h", 73, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm15h", 75, 1, NULL, 128, "uint128");
 
   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.mpx");
   type = tdesc_create_struct (feature, "br128");
@@ -200,12 +204,12 @@ 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, "bnd0raw", 76, 1, NULL, 128, "br128");
-  tdesc_create_reg (feature, "bnd1raw", 75, 1, NULL, 128, "br128");
+  tdesc_create_reg (feature, "bnd1raw", 77, 1, NULL, 128, "br128");
-  tdesc_create_reg (feature, "bnd2raw", 76, 1, NULL, 128, "br128");
+  tdesc_create_reg (feature, "bnd2raw", 78, 1, NULL, 128, "br128");
-  tdesc_create_reg (feature, "bnd3raw", 77, 1, NULL, 128, "br128");
+  tdesc_create_reg (feature, "bnd3raw", 79, 1, NULL, 128, "br128");
-  tdesc_create_reg (feature, "bndcfgu", 78, 1, NULL, 64, "cfgu");
+  tdesc_create_reg (feature, "bndcfgu", 80, 1, NULL, 64, "cfgu");
-  tdesc_create_reg (feature, "bndstatus", 79, 1, NULL, 64, "status");
+  tdesc_create_reg (feature, "bndstatus", 81, 1, NULL, 64, "status");
 
   tdesc_amd64_mpx_linux = result;
 }

gdb/features/i386/amd64-mpx-linux.xml

@@ -14,6 +14,7 @@
   <xi:include href="64bit-core.xml"/>
   <xi:include href="64bit-sse.xml"/>
   <xi:include href="64bit-linux.xml"/>
+  <xi:include href="64bit-seg.xml"/>
   <xi:include href="64bit-avx.xml"/>
   <xi:include href="64bit-mpx.xml"/>
 </target>

gdb/features/i386/x32-avx-linux.c

@@ -151,23 +151,27 @@ initialize_tdesc_x32_avx_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.seg");
+  tdesc_create_reg (feature, "fs_base", 58, 1, NULL, 64, "data_ptr");
+  tdesc_create_reg (feature, "gs_base", 59, 1, NULL, 64, "data_ptr");
+
   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx");
-  tdesc_create_reg (feature, "ymm0h", 58, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm0h", 60, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm1h", 59, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm1h", 61, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm2h", 60, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm2h", 62, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm3h", 61, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm3h", 63, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm4h", 62, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm4h", 64, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm5h", 63, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm5h", 65, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm6h", 64, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm6h", 66, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm7h", 65, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm7h", 67, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm8h", 66, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm8h", 68, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm9h", 67, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm9h", 69, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm10h", 68, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm10h", 70, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm11h", 69, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm11h", 71, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm12h", 70, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm12h", 72, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm13h", 71, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm13h", 73, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm14h", 72, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm14h", 74, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm15h", 73, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm15h", 75, 1, NULL, 128, "uint128");
 
   tdesc_x32_avx_linux = result;
 }

gdb/features/i386/x32-avx-linux.xml

@@ -14,5 +14,6 @@
   <xi:include href="x32-core.xml"/>
   <xi:include href="64bit-sse.xml"/>
   <xi:include href="64bit-linux.xml"/>
+  <xi:include href="64bit-seg.xml"/>
   <xi:include href="64bit-avx.xml"/>
 </target>

gdb/features/i386/x32-avx512-linux.c

@@ -151,23 +151,27 @@ initialize_tdesc_x32_avx512_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.seg");
+  tdesc_create_reg (feature, "fs_base", 58, 1, NULL, 64, "data_ptr");
+  tdesc_create_reg (feature, "gs_base", 59, 1, NULL, 64, "data_ptr");
+
   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx");
-  tdesc_create_reg (feature, "ymm0h", 58, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm0h", 60, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm1h", 59, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm1h", 61, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm2h", 60, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm2h", 62, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm3h", 61, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm3h", 63, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm4h", 62, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm4h", 64, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm5h", 63, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm5h", 65, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm6h", 64, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm6h", 66, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm7h", 65, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm7h", 67, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm8h", 66, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm8h", 68, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm9h", 67, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm9h", 69, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm10h", 68, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm10h", 70, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm11h", 69, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm11h", 71, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm12h", 70, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm12h", 72, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm13h", 71, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm13h", 73, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm14h", 72, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm14h", 74, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm15h", 73, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm15h", 75, 1, NULL, 128, "uint128");
 
   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.mpx");
   type = tdesc_create_struct (feature, "br128");
@@ -200,12 +204,12 @@ initialize_tdesc_x32_avx512_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, "bnd0raw", 76, 1, NULL, 128, "br128");
-  tdesc_create_reg (feature, "bnd1raw", 75, 1, NULL, 128, "br128");
+  tdesc_create_reg (feature, "bnd1raw", 77, 1, NULL, 128, "br128");
-  tdesc_create_reg (feature, "bnd2raw", 76, 1, NULL, 128, "br128");
+  tdesc_create_reg (feature, "bnd2raw", 78, 1, NULL, 128, "br128");
-  tdesc_create_reg (feature, "bnd3raw", 77, 1, NULL, 128, "br128");
+  tdesc_create_reg (feature, "bnd3raw", 79, 1, NULL, 128, "br128");
-  tdesc_create_reg (feature, "bndcfgu", 78, 1, NULL, 64, "cfgu");
+  tdesc_create_reg (feature, "bndcfgu", 80, 1, NULL, 64, "cfgu");
-  tdesc_create_reg (feature, "bndstatus", 79, 1, NULL, 64, "status");
+  tdesc_create_reg (feature, "bndstatus", 81, 1, NULL, 64, "status");
 
   feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx512");
   field_type = tdesc_named_type (feature, "ieee_single");
@@ -245,78 +249,78 @@ initialize_tdesc_x32_avx512_linux (void)
   field_type = tdesc_named_type (feature, "uint128");
   tdesc_create_vector (feature, "v2ui128", field_type, 2);
 
-  tdesc_create_reg (feature, "xmm16", 80, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm16", 82, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm17", 81, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm17", 83, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm18", 82, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm18", 84, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm19", 83, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm19", 85, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm20", 84, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm20", 86, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm21", 85, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm21", 87, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm22", 86, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm22", 88, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm23", 87, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm23", 89, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm24", 88, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm24", 90, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm25", 89, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm25", 91, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm26", 90, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm26", 92, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm27", 91, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm27", 93, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm28", 92, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm28", 94, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm29", 93, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm29", 95, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm30", 94, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm30", 96, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "xmm31", 95, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "xmm31", 97, 1, NULL, 128, "vec128");
-  tdesc_create_reg (feature, "ymm16h", 96, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm16h", 98, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm17h", 97, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm17h", 99, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm18h", 98, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm18h", 100, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm19h", 99, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm19h", 101, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm20h", 100, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm20h", 102, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm21h", 101, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm21h", 103, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm22h", 102, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm22h", 104, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm23h", 103, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm23h", 105, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm24h", 104, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm24h", 106, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm25h", 105, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm25h", 107, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm26h", 106, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm26h", 108, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm27h", 107, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm27h", 109, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm28h", 108, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm28h", 110, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm29h", 109, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm29h", 111, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm30h", 110, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm30h", 112, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "ymm31h", 111, 1, NULL, 128, "uint128");
+  tdesc_create_reg (feature, "ymm31h", 113, 1, NULL, 128, "uint128");
-  tdesc_create_reg (feature, "k0", 112, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k0", 114, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k1", 113, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k1", 115, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k2", 114, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k2", 116, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k3", 115, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k3", 117, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k4", 116, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k4", 118, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k5", 117, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k5", 119, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k6", 118, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k6", 120, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "k7", 119, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "k7", 121, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "zmm0h", 120, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm0h", 122, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm1h", 121, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm1h", 123, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm2h", 122, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm2h", 124, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm3h", 123, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm3h", 125, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm4h", 124, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm4h", 126, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm5h", 125, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm5h", 127, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm6h", 126, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm6h", 128, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm7h", 127, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm7h", 129, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm8h", 128, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm8h", 130, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm9h", 129, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm9h", 131, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm10h", 130, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm10h", 132, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm11h", 131, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm11h", 133, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm12h", 132, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm12h", 134, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm13h", 133, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm13h", 135, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm14h", 134, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm14h", 136, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm15h", 135, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm15h", 137, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm16h", 136, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm16h", 138, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm17h", 137, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm17h", 139, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm18h", 138, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm18h", 140, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm19h", 139, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm19h", 141, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm20h", 140, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm20h", 142, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm21h", 141, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm21h", 143, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm22h", 142, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm22h", 144, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm23h", 143, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm23h", 145, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm24h", 144, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm24h", 146, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm25h", 145, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm25h", 147, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm26h", 146, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm26h", 148, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm27h", 147, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm27h", 149, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm28h", 148, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm28h", 150, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm29h", 149, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm29h", 151, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm30h", 150, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm30h", 152, 1, NULL, 256, "v2ui128");
-  tdesc_create_reg (feature, "zmm31h", 151, 1, NULL, 256, "v2ui128");
+  tdesc_create_reg (feature, "zmm31h", 153, 1, NULL, 256, "v2ui128");
 
   tdesc_x32_avx512_linux = result;
 }

gdb/features/i386/x32-avx512-linux.xml

@@ -14,6 +14,7 @@
   <xi:include href="x32-core.xml"/>
   <xi:include href="64bit-sse.xml"/>
   <xi:include href="64bit-linux.xml"/>
+  <xi:include href="64bit-seg.xml"/>
   <xi:include href="64bit-avx.xml"/>
   <xi:include href="64bit-mpx.xml"/>
   <xi:include href="64bit-avx512.xml"/>

gdb/features/i386/x32-linux.c

@@ -151,5 +151,9 @@ initialize_tdesc_x32_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.seg");
+  tdesc_create_reg (feature, "fs_base", 58, 1, NULL, 64, "data_ptr");
+  tdesc_create_reg (feature, "gs_base", 59, 1, NULL, 64, "data_ptr");
+
   tdesc_x32_linux = result;
 }

gdb/features/i386/x32-linux.xml

@@ -14,4 +14,5 @@
   <xi:include href="x32-core.xml"/>
   <xi:include href="64bit-sse.xml"/>
   <xi:include href="64bit-linux.xml"/>
+  <xi:include href="64bit-seg.xml"/>
 </target>

gdb/regformats/i386/amd64-avx-linux.dat

@@ -61,6 +61,8 @@ expedite:rbp,rsp,rip
 128:xmm15
 32:mxcsr
 64:orig_rax
+64:fs_base
+64:gs_base
 128:ymm0h
 128:ymm1h
 128:ymm2h

gdb/regformats/i386/amd64-avx512-linux.dat

@@ -61,6 +61,8 @@ expedite:rbp,rsp,rip
 128:xmm15
 32:mxcsr
 64:orig_rax
+64:fs_base
+64:gs_base
 128:ymm0h
 128:ymm1h
 128:ymm2h

gdb/regformats/i386/amd64-linux.dat

@@ -61,3 +61,5 @@ expedite:rbp,rsp,rip
 128:xmm15
 32:mxcsr
 64:orig_rax
+64:fs_base
+64:gs_base

gdb/regformats/i386/amd64-mpx-linux.dat

@@ -61,6 +61,8 @@ expedite:rbp,rsp,rip
 128:xmm15
 32:mxcsr
 64:orig_rax
+64:fs_base
+64:gs_base
 128:ymm0h
 128:ymm1h
 128:ymm2h

gdb/regformats/i386/x32-avx-linux.dat

@@ -61,6 +61,8 @@ expedite:rbp,rsp,rip
 128:xmm15
 32:mxcsr
 64:orig_rax
+64:fs_base
+64:gs_base
 128:ymm0h
 128:ymm1h
 128:ymm2h

gdb/regformats/i386/x32-avx512-linux.dat

@@ -61,6 +61,8 @@ expedite:rbp,rsp,rip
 128:xmm15
 32:mxcsr
 64:orig_rax
+64:fs_base
+64:gs_base
 128:ymm0h
 128:ymm1h
 128:ymm2h

gdb/regformats/i386/x32-linux.dat

@@ -61,3 +61,5 @@ expedite:rbp,rsp,rip
 128:xmm15
 32:mxcsr
 64:orig_rax
+64:fs_base
+64:gs_base