backends: Remove tilegx backend.

Support for the Tilera TILE-Gx processor has been removed or deprecated
in gcc and binutils already. There are no users and there is no way to
test it.

Signed-off-by: Mark Wielaard <[email protected]>

8 files changed, 14 insertions, 584 deletions

diff --git a/backends/ChangeLog b/backends/ChangeLog
index 2f632a31..81d4127c 100644
--- a/backends/ChangeLog
+++ b/backends/ChangeLog
@@ -1,5 +1,17 @@
 2020-10-19  Mark Wielard  <[email protected]>
 
+	* Makefile.am (modules): Remove tilegx.
+	(tilegx_SRCS): Removed.
+	(libebl_backends_a_SOURCES): Remove tilegx_SRCS.
+	* tilegx_corenote.c: Removed.
+	* tilegx_init.c: Removed.
+	* tilegx_regs.c: Removed.
+	* tilegx_reloc.def: Removed.
+	* tilegx_retval.c: Removed.
+	* tilegx_symbol.c: Removed.
+
+2020-10-19  Mark Wielard  <[email protected]>
+
 	* Makefile.am (i386_SRCS): Remove i386_syscall.c.
 	(x86_64_SRCS): Remove x86_64_syscall.c.
 	(ppc_SRCS): Remove ppc_syscall.c.
diff --git a/backends/Makefile.am b/backends/Makefile.am
index 3849f457..62916c9c 100644
--- a/backends/Makefile.am
+++ b/backends/Makefile.am
@@ -37,7 +37,7 @@ AM_CPPFLAGS += -I$(top_srcdir)/libebl -I$(top_srcdir)/libasm \
 noinst_LIBRARIES = libebl_backends.a libebl_backends_pic.a
 
 modules = i386 sh x86_64 ia64 alpha arm aarch64 sparc ppc ppc64 s390 \
-	  tilegx m68k bpf riscv csky
+	  m68k bpf riscv csky
 
 i386_SRCS = i386_init.c i386_symbol.c i386_corenote.c i386_cfi.c \
 	    i386_retval.c i386_regs.c i386_auxv.c \
@@ -77,9 +77,6 @@ s390_SRCS = s390_init.c s390_symbol.c s390_regs.c s390_retval.c \
 	    s390_corenote.c s390x_corenote.c s390_cfi.c s390_initreg.c \
 	    s390_unwind.c
 
-tilegx_SRCS = tilegx_init.c tilegx_symbol.c tilegx_regs.c \
-              tilegx_retval.c tilegx_corenote.c
-
 m68k_SRCS = m68k_init.c m68k_symbol.c m68k_regs.c \
 	    m68k_retval.c m68k_corenote.c m68k_cfi.c m68k_initreg.c
 
@@ -101,7 +98,7 @@ csky_SRCS = csky_attrs.c csky_init.c csky_symbol.c csky_cfi.c \
 libebl_backends_a_SOURCES = $(i386_SRCS) $(sh_SRCS) $(x86_64_SRCS) \
 			    $(ia64_SRCS) $(alpha_SRCS) $(arm_SRCS) \
 			    $(aarch64_SRCS) $(sparc_SRCS) $(ppc_SRCS) \
-			    $(ppc64_SRCS) $(s390_SRCS) $(tilegx_SRCS) \
+			    $(ppc64_SRCS) $(s390_SRCS) \
 			    $(m68k_SRCS) $(bpf_SRCS) $(riscv_SRCS) $(csky_SRCS)
 
 libebl_backends_pic_a_SOURCES =
diff --git a/backends/tilegx_corenote.c b/backends/tilegx_corenote.c
deleted file mode 100644
index be3e7dbf..00000000
--- a/backends/tilegx_corenote.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/* TILE-Gx specific core note handling.
-   Copyright (C) 2012 Tilera Corporation
-   This file is part of elfutils.
-
-   This file is free software; you can redistribute it and/or modify
-   it under the terms of either
-
-     * the GNU Lesser General Public License as published by the Free
-       Software Foundation; either version 3 of the License, or (at
-       your option) any later version
-
-   or
-
-     * the GNU General Public License as published by the Free
-       Software Foundation; either version 2 of the License, or (at
-       your option) any later version
-
-   or both in parallel, as here.
-
-   elfutils is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
-
-   You should have received copies of the GNU General Public License and
-   the GNU Lesser General Public License along with this program.  If
-   not, see <http://www.gnu.org/licenses/>.  */
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <elf.h>
-#include <inttypes.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <sys/time.h>
-
-#define BACKEND	tilegx_
-#include "libebl_CPU.h"
-
-static const Ebl_Register_Location prstatus_regs[] =
-  {
-    { .offset = 0, .regno = 0, .count = 56, .bits = 64 }, /* r0-r55 */
-    { .offset = 56 * 8, .regno = 64, .count = 1, .bits = 64 } /* pc */
-  };
-#define PRSTATUS_REGS_SIZE	(57 * 8)
-
-#define ULONG			uint64_t
-#define ALIGN_ULONG		8
-#define TYPE_ULONG		ELF_T_XWORD
-#define TYPE_LONG		ELF_T_SXWORD
-#define PID_T			int32_t
-#define	UID_T			uint32_t
-#define	GID_T			uint32_t
-#define ALIGN_PID_T		4
-#define ALIGN_UID_T		4
-#define ALIGN_GID_T		4
-#define TYPE_PID_T		ELF_T_SWORD
-#define TYPE_UID_T		ELF_T_WORD
-#define TYPE_GID_T		ELF_T_WORD
-
-#include "linux-core-note.c"
diff --git a/backends/tilegx_init.c b/backends/tilegx_init.c
deleted file mode 100644
index 0f79542a..00000000
--- a/backends/tilegx_init.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/* Initialization of TILE-Gx specific backend library.
-   Copyright (C) 2012 Tilera Corporation
-   This file is part of elfutils.
-
-   This file is free software; you can redistribute it and/or modify
-   it under the terms of either
-
-     * the GNU Lesser General Public License as published by the Free
-       Software Foundation; either version 3 of the License, or (at
-       your option) any later version
-
-   or
-
-     * the GNU General Public License as published by the Free
-       Software Foundation; either version 2 of the License, or (at
-       your option) any later version
-
-   or both in parallel, as here.
-
-   elfutils is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
-
-   You should have received copies of the GNU General Public License and
-   the GNU Lesser General Public License along with this program.  If
-   not, see <http://www.gnu.org/licenses/>.  */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#define BACKEND		tilegx_
-#define RELOC_PREFIX	R_TILEGX_
-#include "libebl_CPU.h"
-
-/* This defines the common reloc hooks based on tilegx_reloc.def.  */
-#include "common-reloc.c"
-
-Ebl *
-tilegx_init (Elf *elf __attribute__ ((unused)),
-	     GElf_Half machine __attribute__ ((unused)),
-	     Ebl *eh)
-{
-  /* We handle it.  */
-  tilegx_init_reloc (eh);
-  HOOK (eh, reloc_simple_type);
-  HOOK (eh, return_value_location);
-  HOOK (eh, register_info);
-  HOOK (eh, core_note);
-
-  return eh;
-}
diff --git a/backends/tilegx_regs.c b/backends/tilegx_regs.c
deleted file mode 100644
index b1e17439..00000000
--- a/backends/tilegx_regs.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/* Register names and numbers for TILE-Gx DWARF.
-   Copyright (C) 2012 Tilera Corporation
-   This file is part of elfutils.
-
-   This file is free software; you can redistribute it and/or modify
-   it under the terms of either
-
-     * the GNU Lesser General Public License as published by the Free
-       Software Foundation; either version 3 of the License, or (at
-       your option) any later version
-
-   or
-
-     * the GNU General Public License as published by the Free
-       Software Foundation; either version 2 of the License, or (at
-       your option) any later version
-
-   or both in parallel, as here.
-
-   elfutils is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
-
-   You should have received copies of the GNU General Public License and
-   the GNU Lesser General Public License along with this program.  If
-   not, see <http://www.gnu.org/licenses/>.  */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include <dwarf.h>
-
-#define BACKEND tilegx_
-#include "libebl_CPU.h"
-
-ssize_t
-tilegx_register_info (Ebl *ebl __attribute__ ((unused)),
-		    int regno, char *name, size_t namelen,
-		    const char **prefix, const char **setname,
-		    int *bits, int *type)
-{
-  if (name == NULL)
-    return 65;
-
-  if (regno < 0 || regno > 64 || namelen < 5)
-    return -1;
-
-  *prefix = "";
-  *setname = "integer";
-  *bits = 64;
-
-  switch (regno)
-    {
-    case 0 ... 9:
-      *type = DW_ATE_signed;
-      name[0] = 'r';
-      name[1] = regno + '0';
-      namelen = 2;
-      break;
-
-    case 10 ... 52:
-      *type = DW_ATE_signed;
-      name[0] = 'r';
-      name[1] = regno / 10 + '0';
-      name[2] = regno % 10 + '0';
-      namelen = 3;
-      break;
-
-    case 53:
-      *type = DW_ATE_address;
-      return stpcpy (name, "tp") + 1 - name;
-
-    case 54:
-      *type = DW_ATE_address;
-      return stpcpy (name, "sp") + 1 - name;
-
-    case 55:
-      *type = DW_ATE_address;
-      return stpcpy (name, "lr") + 1 - name;
-
-    case 56:
-      *type = DW_ATE_unsigned;
-      return stpcpy (name, "sn") + 1 - name;
-
-    case 57:
-      *type = DW_ATE_unsigned;
-      return stpcpy (name, "idn0") + 1 - name;
-
-    case 58:
-      *type = DW_ATE_unsigned;
-      return stpcpy (name, "idn1") + 1 - name;
-
-    case 59:
-      *type = DW_ATE_unsigned;
-      return stpcpy (name, "udn0") + 1 - name;
-
-    case 60:
-      *type = DW_ATE_unsigned;
-      return stpcpy (name, "udn1") + 1 - name;
-
-    case 61:
-      *type = DW_ATE_unsigned;
-      return stpcpy (name, "udn2") + 1 - name;
-
-    case 62:
-      *type = DW_ATE_unsigned;
-      return stpcpy (name, "udn3") + 1 - name;
-
-    case 63:
-      *type = DW_ATE_unsigned;
-      return stpcpy (name, "zero") + 1 - name;
-
-    case 64:
-      *type = DW_ATE_address;
-      return stpcpy (name, "pc") + 1 - name;
-
-    /* Can't happen.  */
-    default:
-      *setname = NULL;
-      return 0;
-    }
-
-  name[namelen++] = '\0';
-  return namelen;
-}
diff --git a/backends/tilegx_reloc.def b/backends/tilegx_reloc.def
deleted file mode 100644
index 1018110d..00000000
--- a/backends/tilegx_reloc.def
+++ /dev/null
@@ -1,121 +0,0 @@
-/* List the relocation types for tilegx.  -*- C -*-
-   Copyright (C) 2012 Tilera Corporation
-   Copyright (C) 2015 Red Hat, Inc.
-   This file is part of elfutils.
-
-   This file is free software; you can redistribute it and/or modify
-   it under the terms of either
-
-     * the GNU Lesser General Public License as published by the Free
-       Software Foundation; either version 3 of the License, or (at
-       your option) any later version
-
-   or
-
-     * the GNU General Public License as published by the Free
-       Software Foundation; either version 2 of the License, or (at
-       your option) any later version
-
-   or both in parallel, as here.
-
-   elfutils is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
-
-   You should have received copies of the GNU General Public License and
-   the GNU Lesser General Public License along with this program.  If
-   not, see <http://www.gnu.org/licenses/>.  */
-
-/*	    NAME,			REL|EXEC|DYN	*/
-
-RELOC_TYPE (NONE,			0)
-RELOC_TYPE (64,				REL|EXEC|DYN)
-RELOC_TYPE (32,				REL|EXEC|DYN)
-RELOC_TYPE (16,				REL|EXEC|DYN)
-RELOC_TYPE (8,				REL|EXEC|DYN)
-RELOC_TYPE (64_PCREL,			REL)
-RELOC_TYPE (32_PCREL,			REL)
-RELOC_TYPE (16_PCREL,			REL)
-RELOC_TYPE (8_PCREL,			REL)
-RELOC_TYPE (HW0,			REL)
-RELOC_TYPE (HW1,			REL)
-RELOC_TYPE (HW2,			REL)
-RELOC_TYPE (HW3,			REL)
-RELOC_TYPE (HW0_LAST,			REL)
-RELOC_TYPE (HW1_LAST,			REL)
-RELOC_TYPE (HW2_LAST,			REL)
-RELOC_TYPE (COPY,			EXEC|DYN)
-RELOC_TYPE (GLOB_DAT,			EXEC|DYN)
-RELOC_TYPE (JMP_SLOT,			EXEC|DYN)
-RELOC_TYPE (RELATIVE,			EXEC|DYN)
-RELOC_TYPE (BROFF_X1,			REL)
-RELOC_TYPE (JUMPOFF_X1,			REL)
-RELOC_TYPE (JUMPOFF_X1_PLT,		REL)
-RELOC_TYPE (IMM8_X0,			REL)
-RELOC_TYPE (IMM8_Y0,			REL)
-RELOC_TYPE (IMM8_X1,			REL)
-RELOC_TYPE (IMM8_Y1,			REL)
-RELOC_TYPE (DEST_IMM8_X1,		REL)
-RELOC_TYPE (MT_IMM14_X1,		REL)
-RELOC_TYPE (MF_IMM14_X1,		REL)
-RELOC_TYPE (MMSTART_X0,			REL)
-RELOC_TYPE (MMEND_X0,			REL)
-RELOC_TYPE (SHAMT_X0,			REL)
-RELOC_TYPE (SHAMT_X1,			REL)
-RELOC_TYPE (SHAMT_Y0,			REL)
-RELOC_TYPE (SHAMT_Y1,			REL)
-RELOC_TYPE (IMM16_X0_HW0,		REL)
-RELOC_TYPE (IMM16_X1_HW0,		REL)
-RELOC_TYPE (IMM16_X0_HW1,		REL)
-RELOC_TYPE (IMM16_X1_HW1,		REL)
-RELOC_TYPE (IMM16_X0_HW2,		REL)
-RELOC_TYPE (IMM16_X1_HW2,		REL)
-RELOC_TYPE (IMM16_X0_HW3,		REL)
-RELOC_TYPE (IMM16_X1_HW3,		REL)
-RELOC_TYPE (IMM16_X0_HW0_LAST,		REL)
-RELOC_TYPE (IMM16_X1_HW0_LAST,		REL)
-RELOC_TYPE (IMM16_X0_HW1_LAST,		REL)
-RELOC_TYPE (IMM16_X1_HW1_LAST,		REL)
-RELOC_TYPE (IMM16_X0_HW2_LAST,		REL)
-RELOC_TYPE (IMM16_X1_HW2_LAST,		REL)
-RELOC_TYPE (IMM16_X0_HW0_PCREL,		REL)
-RELOC_TYPE (IMM16_X1_HW0_PCREL,		REL)
-RELOC_TYPE (IMM16_X0_HW1_PCREL,		REL)
-RELOC_TYPE (IMM16_X1_HW1_PCREL,		REL)
-RELOC_TYPE (IMM16_X0_HW2_PCREL,		REL)
-RELOC_TYPE (IMM16_X1_HW2_PCREL,		REL)
-RELOC_TYPE (IMM16_X0_HW3_PCREL,		REL)
-RELOC_TYPE (IMM16_X1_HW3_PCREL,		REL)
-RELOC_TYPE (IMM16_X0_HW0_LAST_PCREL,	REL)
-RELOC_TYPE (IMM16_X1_HW0_LAST_PCREL,	REL)
-RELOC_TYPE (IMM16_X0_HW1_LAST_PCREL,	REL)
-RELOC_TYPE (IMM16_X1_HW1_LAST_PCREL,	REL)
-RELOC_TYPE (IMM16_X0_HW2_LAST_PCREL,	REL)
-RELOC_TYPE (IMM16_X1_HW2_LAST_PCREL,	REL)
-RELOC_TYPE (IMM16_X0_HW0_GOT,		REL)
-RELOC_TYPE (IMM16_X1_HW0_GOT,		REL)
-RELOC_TYPE (IMM16_X0_HW0_LAST_GOT,	REL)
-RELOC_TYPE (IMM16_X1_HW0_LAST_GOT,	REL)
-RELOC_TYPE (IMM16_X0_HW1_LAST_GOT,	REL)
-RELOC_TYPE (IMM16_X1_HW1_LAST_GOT,	REL)
-RELOC_TYPE (IMM16_X0_HW0_TLS_GD,	REL)
-RELOC_TYPE (IMM16_X1_HW0_TLS_GD,	REL)
-RELOC_TYPE (IMM16_X0_HW0_LAST_TLS_GD,	REL)
-RELOC_TYPE (IMM16_X1_HW0_LAST_TLS_GD,	REL)
-RELOC_TYPE (IMM16_X0_HW1_LAST_TLS_GD,	REL)
-RELOC_TYPE (IMM16_X1_HW1_LAST_TLS_GD,	REL)
-RELOC_TYPE (IMM16_X0_HW0_TLS_IE,	REL)
-RELOC_TYPE (IMM16_X1_HW0_TLS_IE,	REL)
-RELOC_TYPE (IMM16_X0_HW0_LAST_TLS_IE,	REL)
-RELOC_TYPE (IMM16_X1_HW0_LAST_TLS_IE,	REL)
-RELOC_TYPE (IMM16_X0_HW1_LAST_TLS_IE,	REL)
-RELOC_TYPE (IMM16_X1_HW1_LAST_TLS_IE,	REL)
-RELOC_TYPE (TLS_DTPMOD64,		EXEC|DYN)
-RELOC_TYPE (TLS_DTPOFF64,		EXEC|DYN)
-RELOC_TYPE (TLS_TPOFF64,		EXEC|DYN)
-RELOC_TYPE (TLS_DTPMOD32,		EXEC|DYN)
-RELOC_TYPE (TLS_DTPOFF32,		EXEC|DYN)
-RELOC_TYPE (TLS_TPOFF32,		EXEC|DYN)
-RELOC_TYPE (GNU_VTINHERIT,		REL)
-RELOC_TYPE (GNU_VTENTRY,		REL)
diff --git a/backends/tilegx_retval.c b/backends/tilegx_retval.c
deleted file mode 100644
index 7f7d24b0..00000000
--- a/backends/tilegx_retval.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/* Function return value location for Linux/TILE-Gx ABI.
-   Copyright (C) 2012 Tilera Corporation
-   Copyright (C) 2014 Red Hat, Inc.
-   This file is part of elfutils.
-
-   This file is free software; you can redistribute it and/or modify
-   it under the terms of either
-
-     * the GNU Lesser General Public License as published by the Free
-       Software Foundation; either version 3 of the License, or (at
-       your option) any later version
-
-   or
-
-     * the GNU General Public License as published by the Free
-       Software Foundation; either version 2 of the License, or (at
-       your option) any later version
-
-   or both in parallel, as here.
-
-   elfutils is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
-
-   You should have received copies of the GNU General Public License and
-   the GNU Lesser General Public License along with this program.  If
-   not, see <http://www.gnu.org/licenses/>.  */
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <assert.h>
-#include <dwarf.h>
-
-#define BACKEND tilegx_
-#include "libebl_CPU.h"
-
-
-/* r0.  */
-static const Dwarf_Op loc_intreg[] =
-  {
-    { .atom = DW_OP_reg0 }
-  };
-#define nloc_intreg	1
-
-/* The return value is a structure and is actually stored in stack space
-   passed in a hidden argument by the caller.  But, the compiler
-   helpfully returns the address of that space in r0.  */
-static const Dwarf_Op loc_aggregate[] =
-  {
-    { .atom = DW_OP_breg0, .number = 0 }
-  };
-#define nloc_aggregate 1
-
-int
-tilegx_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
-{
-  /* Start with the function's type, and get the DW_AT_type attribute,
-     which is the type of the return value.  */
-  Dwarf_Die die_mem, *typedie = &die_mem;
-  int tag = dwarf_peeled_die_type (functypedie, typedie);
-  if (tag <= 0)
-    return tag;
-
-  Dwarf_Word size;
-  switch (tag)
-    {
-    case -1:
-      return -1;
-
-    case DW_TAG_subrange_type:
-      if (! dwarf_hasattr_integrate (typedie, DW_AT_byte_size))
-	{
-	  Dwarf_Attribute attr_mem, *attr;
-	  attr = dwarf_attr_integrate (typedie, DW_AT_type, &attr_mem);
-	  typedie = dwarf_formref_die (attr, &die_mem);
-	  tag = DWARF_TAG_OR_RETURN (typedie);
-	}
-      FALLTHROUGH;
-
-    case DW_TAG_base_type:
-    case DW_TAG_enumeration_type:
-    case DW_TAG_pointer_type:
-    case DW_TAG_ptr_to_member_type:
-      {
-	Dwarf_Attribute attr_mem;
-	if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size,
-						   &attr_mem), &size) != 0)
-	  {
-	    if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
-	      size = 8;
-	    else
-	      return -1;
-	  }
-	if (tag == DW_TAG_base_type)
-	  {
-	    Dwarf_Word encoding;
-	    if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_encoding,
-						       &attr_mem),
-				 &encoding) != 0)
-	      return -1;
-	  }
-      }
-
-      /* Small enough structs are passed directly in registers R0 ... R7.  */
-      if (size <= 8)
-	{
-	intreg:
-	  *locp = loc_intreg;
-	  return nloc_intreg;
-	}
-
-      FALLTHROUGH;
-    case DW_TAG_structure_type:
-    case DW_TAG_class_type:
-    case DW_TAG_union_type:
-    aggregate:
-      *locp = loc_aggregate;
-      return nloc_aggregate;
-
-    case DW_TAG_array_type:
-    case DW_TAG_string_type:
-      if (dwarf_aggregate_size (typedie, &size) == 0 && size <= 8)
-	{
-	  if (tag == DW_TAG_array_type)
-	    {
-	      Dwarf_Attribute attr_mem, *attr;
-	      /* Check if it's a character array.  */
-	      attr = dwarf_attr_integrate (typedie, DW_AT_type, &attr_mem);
-	      typedie = dwarf_formref_die (attr, &die_mem);
-	      tag = DWARF_TAG_OR_RETURN (typedie);
-	      if (tag != DW_TAG_base_type)
-		goto aggregate;
-	      if (dwarf_formudata (dwarf_attr_integrate (typedie,
-							 DW_AT_byte_size,
-							 &attr_mem),
-				   &size) != 0)
-		return -1;
-	      if (size != 1)
-		goto aggregate;
-	    }
-	  goto intreg;
-	}
-      goto aggregate;
-    }
-
-  /* XXX We don't have a good way to return specific errors from ebl calls.
-     This value means we do not understand the type, but it is well-formed
-     DWARF and might be valid.  */
-  return -2;
-}
diff --git a/backends/tilegx_symbol.c b/backends/tilegx_symbol.c
deleted file mode 100644
index 62a46907..00000000
--- a/backends/tilegx_symbol.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/* TILEGX-specific symbolic name handling.
-   Copyright (C) 2012 Tilera Corporation
-   This file is part of elfutils.
-
-   This file is free software; you can redistribute it and/or modify
-   it under the terms of either
-
-     * the GNU Lesser General Public License as published by the Free
-       Software Foundation; either version 3 of the License, or (at
-       your option) any later version
-
-   or
-
-     * the GNU General Public License as published by the Free
-       Software Foundation; either version 2 of the License, or (at
-       your option) any later version
-
-   or both in parallel, as here.
-
-   elfutils is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
-
-   You should have received copies of the GNU General Public License and
-   the GNU Lesser General Public License along with this program.  If
-   not, see <http://www.gnu.org/licenses/>.  */
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <elf.h>
-#include <stddef.h>
-
-#define BACKEND		tilegx_
-#include "libebl_CPU.h"
-
-/* Check for the simple reloc types.  */
-Elf_Type
-tilegx_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type,
-			  int *addsub __attribute__ ((unused)))
-{
-  switch (type)
-    {
-    case R_TILEGX_64:
-      return ELF_T_SXWORD;
-    case R_TILEGX_32:
-      return ELF_T_SWORD;
-    case R_TILEGX_16:
-      return ELF_T_HALF;
-    case R_TILEGX_8:
-      return ELF_T_BYTE;
-    default:
-      return ELF_T_NUM;
-    }
-}