[PATCH v4 01/44] bfd: add intelgt target to BFD

Markus Metzger <[email protected]>
Newsgroups gmane.comp.gdb.patches
Message-ID <[email protected]> 
From: Natalia Saiapova <[email protected]>

Add description of IntelGT target to BFD.  Describe its relocation
types.

To: <[email protected]>
---
 bfd/Makefile.am       |  2 ++
 bfd/Makefile.in       |  4 ++++
 bfd/archures.c        |  4 ++++
 bfd/bfd-in2.h         |  2 ++
 bfd/config.bfd        |  5 +++++
 bfd/configure         |  1 +
 bfd/configure.ac      |  1 +
 bfd/cpu-intelgt.c     | 41 ++++++++++++++++++++++++++++++++++++
 bfd/elf64-intelgt.c   | 48 +++++++++++++++++++++++++++++++++++++++++++
 bfd/targets.c         |  2 ++
 binutils/readelf.c    |  5 +++++
 include/elf/intelgt.h | 45 ++++++++++++++++++++++++++++++++++++++++
 12 files changed, 160 insertions(+)
 create mode 100644 bfd/cpu-intelgt.c
 create mode 100644 bfd/elf64-intelgt.c
 create mode 100644 include/elf/intelgt.h

diff --git a/bfd/Makefile.am b/bfd/Makefile.am
index e4df05441eb..1976b76ca50 100644
--- a/bfd/Makefile.am
+++ b/bfd/Makefile.am
@@ -119,6 +119,7 @@ ALL_MACHINES = \
 	cpu-i386.lo \
 	cpu-ia64.lo \
 	cpu-iamcu.lo \
+	cpu-intelgt.lo \
 	cpu-ip2k.lo \
 	cpu-iq2000.lo \
 	cpu-kvx.lo \
@@ -202,6 +203,7 @@ ALL_MACHINES_CFILES = \
 	cpu-i386.c \
 	cpu-ia64.c \
 	cpu-iamcu.c \
+	cpu-intelgt.c \
 	cpu-ip2k.c \
 	cpu-iq2000.c \
 	cpu-kvx.c \
diff --git a/bfd/Makefile.in b/bfd/Makefile.in
index 14512cf61fb..5656faf4cc6 100644
--- a/bfd/Makefile.in
+++ b/bfd/Makefile.in
@@ -587,6 +587,7 @@ ALL_MACHINES = \
 	cpu-i386.lo \
 	cpu-ia64.lo \
 	cpu-iamcu.lo \
+	cpu-intelgt.lo \
 	cpu-ip2k.lo \
 	cpu-iq2000.lo \
 	cpu-kvx.lo \
@@ -670,6 +671,7 @@ ALL_MACHINES_CFILES = \
 	cpu-i386.c \
 	cpu-ia64.c \
 	cpu-iamcu.c \
+	cpu-intelgt.c \
 	cpu-ip2k.c \
 	cpu-iq2000.c \
 	cpu-kvx.c \
@@ -1028,6 +1030,7 @@ BFD64_BACKENDS = \
 	elf64-hppa.lo \
 	elf64-ia64-vms.lo \
 	elf64-ia64.lo \
+	elf64-intelgt.lo \
 	elf64-kvx.lo \
 	elf64-loongarch.lo \
 	elf64-mips.lo \
@@ -1499,6 +1502,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-i386.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-ia64.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-iamcu.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-intelgt.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-ip2k.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-iq2000.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-kvx.Plo@am__quote@
diff --git a/bfd/archures.c b/bfd/archures.c
index 18472b820bc..3bf2a93ab35 100644
--- a/bfd/archures.c
+++ b/bfd/archures.c
@@ -399,6 +399,8 @@ DESCRIPTION
 .  bfd_arch_ia64,      {* HP/Intel ia64.  *}
 .#define bfd_mach_ia64_elf64	64
 .#define bfd_mach_ia64_elf32	32
+.  bfd_arch_intelgt,   {* Intel(R) Graphics Technology.  *}
+.#define bfd_mach_intelgt	9
 .  bfd_arch_ip2k,      {* Ubicom IP2K microcontrollers. *}
 .#define bfd_mach_ip2022	1
 .#define bfd_mach_ip2022ext	2
@@ -667,6 +669,7 @@ extern const bfd_arch_info_type bfd_hppa_arch;
 extern const bfd_arch_info_type bfd_i386_arch;
 extern const bfd_arch_info_type bfd_iamcu_arch;
 extern const bfd_arch_info_type bfd_ia64_arch;
+extern const bfd_arch_info_type bfd_intelgt_arch;
 extern const bfd_arch_info_type bfd_ip2k_arch;
 extern const bfd_arch_info_type bfd_iq2000_arch;
 extern const bfd_arch_info_type bfd_kvx_arch;
@@ -755,6 +758,7 @@ static const bfd_arch_info_type * const bfd_archures_list[] =
     &bfd_i386_arch,
     &bfd_iamcu_arch,
     &bfd_ia64_arch,
+    &bfd_intelgt_arch,
     &bfd_ip2k_arch,
     &bfd_iq2000_arch,
     &bfd_kvx_arch,
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 8d12ddf6723..611403f6925 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -1656,6 +1656,8 @@ enum bfd_architecture
   bfd_arch_ia64,      /* HP/Intel ia64.  */
 #define bfd_mach_ia64_elf64    64
 #define bfd_mach_ia64_elf32    32
+  bfd_arch_intelgt,   /* Intel(R) Graphics Technology.  */
+#define bfd_mach_intelgt       9
   bfd_arch_ip2k,      /* Ubicom IP2K microcontrollers. */
 #define bfd_mach_ip2022        1
 #define bfd_mach_ip2022ext     2
diff --git a/bfd/config.bfd b/bfd/config.bfd
index 8eb2131128d..82c2dfef0e8 100644
--- a/bfd/config.bfd
+++ b/bfd/config.bfd
@@ -204,6 +204,7 @@ fido*)		 targ_archs=bfd_m68k_arch ;;
 hppa*)		 targ_archs=bfd_hppa_arch ;;
 i[3-7]86)	 targ_archs=bfd_i386_arch ;;
 ia16)		 targ_archs=bfd_i386_arch ;;
+intelgt)	 targ_archs=bfd_intelgt_arch ;;
 loongarch*)	 targ_archs=bfd_loongarch_arch ;;
 m6811*|m68hc11*) targ_archs="bfd_m68hc11_arch bfd_m68hc12_arch bfd_m9s12x_arch bfd_m9s12xg_arch" ;;
 m6812*|m68hc12*) targ_archs="bfd_m68hc12_arch bfd_m68hc11_arch bfd_m9s12x_arch bfd_m9s12xg_arch" ;;
@@ -657,6 +658,10 @@ case "${targ}" in
     targ_selvecs=alpha_vms_lib_txt_vec
     want64=true
     ;;
+  intelgt-*-elf)
+    targ_defvec=intelgt_elf64_vec
+    want64=true
+    ;;
 #endif /* BFD64 */
 
   ip2k-*-elf)
diff --git a/bfd/configure b/bfd/configure
index 12d43a5aeae..71192288275 100755
--- a/bfd/configure
+++ b/bfd/configure
@@ -15947,6 +15947,7 @@ do
     ia64_elf64_hpux_be_vec)	 tb="$tb elf64-ia64.lo elfxx-ia64.lo elf64.lo $elf"; target_size=64 ;;
     ia64_elf64_vms_vec)		 tb="$tb elf64-ia64-vms.lo elf64-ia64.lo elfxx-ia64.lo elf64.lo vms-lib.lo vms-misc.lo $elf"; target_size=64 ;;
     ia64_pei_vec)		 tb="$tb pei-ia64.lo pepigen.lo $coff"; target_size=64 ;;
+    intelgt_elf64_vec)		 tb="$tb elf64-intelgt.lo elf64.lo $elf"; target_size=64 ;;
     ip2k_elf32_vec)		 tb="$tb elf32-ip2k.lo elf32.lo $elf" ;;
     iq2000_elf32_vec)		 tb="$tb elf32-iq2000.lo elf32.lo $elf" ;;
     kvx_elf32_vec)		 tb="$tb elf32-kvx.lo elfxx-kvx.lo elf32.lo $elf $ipa" ;;
diff --git a/bfd/configure.ac b/bfd/configure.ac
index ee335f75dd9..dd8c9d87776 100644
--- a/bfd/configure.ac
+++ b/bfd/configure.ac
@@ -488,6 +488,7 @@ do
     ia64_elf64_hpux_be_vec)	 tb="$tb elf64-ia64.lo elfxx-ia64.lo elf64.lo $elf"; target_size=64 ;;
     ia64_elf64_vms_vec)		 tb="$tb elf64-ia64-vms.lo elf64-ia64.lo elfxx-ia64.lo elf64.lo vms-lib.lo vms-misc.lo $elf"; target_size=64 ;;
     ia64_pei_vec)		 tb="$tb pei-ia64.lo pepigen.lo $coff"; target_size=64 ;;
+    intelgt_elf64_vec)		 tb="$tb elf64-intelgt.lo elf64.lo $elf"; target_size=64 ;;
     ip2k_elf32_vec)		 tb="$tb elf32-ip2k.lo elf32.lo $elf" ;;
     iq2000_elf32_vec)		 tb="$tb elf32-iq2000.lo elf32.lo $elf" ;;
     kvx_elf32_vec)		 tb="$tb elf32-kvx.lo elfxx-kvx.lo elf32.lo $elf $ipa" ;;
diff --git a/bfd/cpu-intelgt.c b/bfd/cpu-intelgt.c
new file mode 100644
index 00000000000..87341eda015
--- /dev/null
+++ b/bfd/cpu-intelgt.c
@@ -0,0 +1,41 @@
+/* BFD support for the Intel(R) Graphics Technology architecture.
+   Copyright (C) 2019-2026 Free Software Foundation, Inc.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+
+const bfd_arch_info_type bfd_intelgt_arch =
+  {
+    32, /* 32 bits in a word.  */
+    64, /* 64 bits in an address.  */
+    8,  /* 8 bits in a byte.  */
+    bfd_arch_intelgt, /* Architecture.  */
+    bfd_mach_intelgt, /* Machine number.  */
+    "intelgt", /* Architecture name.  */
+    "intelgt", /* Printable name.  */
+    3, /* Section alignment power.  */
+    true, /* Default machine for this architecture.  */
+    bfd_default_compatible, /* Check for compatibility.  */
+    bfd_default_scan, /* Check for an arch and mach hit.  */
+    bfd_arch_default_fill, /* Allocate and fill bfd.  */
+    NULL, /* Pointer to next.  */
+    0 /* Maximum offset of a reloc from the start of an insn.  */
+  };
diff --git a/bfd/elf64-intelgt.c b/bfd/elf64-intelgt.c
new file mode 100644
index 00000000000..11369242f15
--- /dev/null
+++ b/bfd/elf64-intelgt.c
@@ -0,0 +1,48 @@
+/* Intel(R) Graphics Technology-specific support for ELF
+   Copyright (C) 2022-2026 Free Software Foundation, Inc.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "elf-bfd.h"
+
+#include "elf/common.h"
+#include "elf/intelgt.h"
+
+
+static bool
+elf64_intelgt_elf_object_p (bfd *abfd)
+{
+  return bfd_default_set_arch_mach (abfd, bfd_arch_intelgt, bfd_mach_intelgt);
+}
+
+#define TARGET_LITTLE_SYM		    intelgt_elf64_vec
+#define TARGET_LITTLE_NAME		    "elf64-intelgt"
+#define ELF_ARCH			    bfd_arch_intelgt
+#define ELF_MACHINE_CODE		    EM_INTELGT
+#define ELF_OSABI			    0
+#define ELF_MAXPAGESIZE			    0x40000000
+
+#define elf_backend_object_p		    elf64_intelgt_elf_object_p
+
+#define bfd_elf64_bfd_reloc_type_lookup     bfd_default_reloc_type_lookup
+#define bfd_elf64_bfd_reloc_name_lookup     _bfd_norelocs_bfd_reloc_name_lookup
+
+#include "elf64-target.h"
diff --git a/bfd/targets.c b/bfd/targets.c
index fcf650410dc..5a665acd3fe 100644
--- a/bfd/targets.c
+++ b/bfd/targets.c
@@ -766,6 +766,7 @@ extern const bfd_target ia64_elf64_le_vec;
 extern const bfd_target ia64_elf64_hpux_be_vec;
 extern const bfd_target ia64_elf64_vms_vec;
 extern const bfd_target ia64_pei_vec;
+extern const bfd_target intelgt_elf64_vec;
 extern const bfd_target ip2k_elf32_vec;
 extern const bfd_target iq2000_elf32_vec;
 extern const bfd_target kvx_elf32_vec;
@@ -1121,6 +1122,7 @@ static const bfd_target * const _bfd_target_vector[] =
 	&ia64_elf64_hpux_be_vec,
 	&ia64_elf64_vms_vec,
 	&ia64_pei_vec,
+	&intelgt_elf64_vec,
 #endif
 
 	&ip2k_elf32_vec,
diff --git a/binutils/readelf.c b/binutils/readelf.c
index b5865d9717e..a6a6f390995 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -125,6 +125,7 @@
 #include "elf/kvx.h"
 #include "elf/lm32.h"
 #include "elf/iq2000.h"
+#include "elf/intelgt.h"
 #include "elf/m32c.h"
 #include "elf/m32r.h"
 #include "elf/m68k.h"
@@ -2687,6 +2688,10 @@ dump_relocations (Filedata *          filedata,
 	case EM_AMDGPU:
 	  rtype = elf_amdgpu_reloc_type (type);
 	  break;
+
+	case EM_INTELGT:
+	  rtype = elf_intelgt_reloc_type (type);
+	  break;
 	}
 
       char *symbol_name = NULL;
diff --git a/include/elf/intelgt.h b/include/elf/intelgt.h
new file mode 100644
index 00000000000..bcc62ee8f35
--- /dev/null
+++ b/include/elf/intelgt.h
@@ -0,0 +1,45 @@
+/* Copyright (C) 2022-2026 Free Software Foundation, Inc.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+/* This file holds definitions specific to the IntelGT ABI.  */
+
+#ifndef _ELF_INTELGT_H_
+#define _ELF_INTELGT_H_
+
+#include "elf/reloc-macros.h"
+
+START_RELOC_NUMBERS (elf_intelgt_reloc_type)
+  RELOC_NUMBER (R_ZE_NONE,			     0)
+  /* 64-bit address.  */
+  RELOC_NUMBER (R_ZE_SYM_ADDR,			     1)
+  /* 32-bit address or lower 32-bit of a 64-bit address.  */
+  RELOC_NUMBER (R_ZE_SYM_ADDR_32,		     2)
+  /* Higher 32bits of a 64-bit address.  */
+  RELOC_NUMBER (R_ZE_SYM_ADDR32_HI,		     3)
+  /* 32-bit field of payload offset of per-thread data.  */
+  RELOC_NUMBER (R_ZE_PER_THREAD_PAYLOAD_OFFSET_32,   4)
+  /* 32-bit global immediate.  */
+  RELOC_NUMBER (R_ZE_GLOBAL_IMM_32,                  5)
+  /* SEND instruction offset, used for BTI patching.  */
+  RELOC_NUMBER (R_ZE_SEND,                           6)
+  /* 16-bit address or immediate.  */
+  RELOC_NUMBER (R_ZE_SYM_ADDR_16,                    7)
+END_RELOC_NUMBERS (R_ZE_max)
+
+#endif /* _ELF_INTELGT_H_ */
-- 
2.43.0

________________________________________
Intel Deutschland GmbH 

Registered Address: Dornacher Strasse 1, 85622 Feldkirchen, Germany 

Tel: +49 (89) 99143-0 

www.intel.de 

Managing Directors: Candice Moore, Jeffrey Schneiderman, Ramachandran Sitaraman

Chairperson of the Supervisory Board: Sonja Pierer

Registered Seat: Munich Commercial Register B: Amtsgericht Munich HRB 186928

This e-mail and any attachments may contain confidential material for
the sole use of the intended recipient(s). Any review or distribution
by others is strictly prohibited. If you are not the intended
recipient, please contact the sender and delete all copies.
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.