kvx: New port.

1 files changed, 124 insertions, 0 deletions

diff --git a/bfd/cpu-kvx.c b/bfd/cpu-kvx.c
new file mode 100644
index 0000000..61d9d5d
--- /dev/null
+++ b/bfd/cpu-kvx.c
@@ -0,0 +1,124 @@
+/* BFD support for KVX.
+   Copyright (C) 2009-2023 Free Software Foundation, Inc.
+   Contributed by Kalray SA.
+
+   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; see the file COPYING3. If not,
+   see <http://www.gnu.org/licenses/>.  */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+
+/* This routine is provided two arch_infos and returns if machines
+   are compatible.
+*/
+
+static const bfd_arch_info_type *
+kvx_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b)
+{
+  long amach =  a->mach, bmach =  b->mach;
+  /* If a & b are for different architecture we can do nothing.  */
+  if (a->arch != b->arch)
+    return NULL;
+
+  if ((amach == bfd_mach_kv3_1_64 && bmach == bfd_mach_kv3_1_usr)
+      || (amach == bfd_mach_kv3_2_64 && bmach == bfd_mach_kv3_2_usr))
+    return b;
+
+  if ((bmach == bfd_mach_kv3_1_64 && amach == bfd_mach_kv3_1_usr)
+      || (bmach == bfd_mach_kv3_2_64 && amach == bfd_mach_kv3_2_usr))
+    return a;
+
+  /* Otherwise if either a or b is the 'default' machine
+   * then it can be polymorphed into the other.
+   * This will enable to execute merge_private_bfd_data
+   */
+  if (a->the_default)
+    return b;
+
+  if (b->the_default)
+    return a;
+
+  /* We do not want to transmute some machine into another one */
+  if (amach != bmach)
+    return NULL;
+
+  /* If a & b are for the same machine then all is well.  */
+  if (amach == bmach)
+    return a;
+
+  return NULL;
+}
+
+static bool
+scan (const struct bfd_arch_info *info, const char *string)
+{
+  /* First test for an exact match.  */
+  if (strcasecmp (string, info->printable_name) == 0)
+    return true;
+
+  /* Finally check for the default architecture.  */
+  if (strcasecmp (string, "kvx") == 0)
+    return info->the_default;
+
+  return false;
+}
+
+#define N(addr_bits, machine, print, default, next)            \
+{                                                              \
+  32,                          /* 32 bits in a word.  */       \
+  addr_bits,                   /* bits in an address.  */      \
+  8,                           /* 8 bits in a byte.  */        \
+  bfd_arch_kvx,                                                 \
+  machine,                     /* Machine number.  */          \
+  "kvx",                        /* Architecture name.   */      \
+  print,                       /* Printable name.  */          \
+  4,                           /* Section align power.  */     \
+  default,                     /* Is this the default ?  */    \
+  kvx_compatible,					       \
+  scan,                                                        \
+  bfd_arch_default_fill,                                       \
+  next,                                                \
+          0                                            \
+}
+
+
+const bfd_arch_info_type bfd_kv4_1_usr_arch =
+  N (64 , bfd_mach_kv4_1_usr , "kvx:kv4-1:usr" , false , NULL);
+
+const bfd_arch_info_type bfd_kv3_2_usr_arch =
+  N (64 , bfd_mach_kv3_2_usr , "kvx:kv3-2:usr" , false , &bfd_kv4_1_usr_arch);
+
+const bfd_arch_info_type bfd_kv3_1_usr_arch =
+  N (64 , bfd_mach_kv3_1_usr , "kvx:kv3-1:usr" , false , &bfd_kv3_2_usr_arch);
+
+const bfd_arch_info_type bfd_kv4_1_64_arch =
+  N (64 , bfd_mach_kv4_1_64  , "kvx:kv4-1:64"  , false , &bfd_kv3_1_usr_arch);
+
+const bfd_arch_info_type bfd_kv3_2_64_arch =
+  N (64 , bfd_mach_kv3_2_64  , "kvx:kv3-2:64"  , false , &bfd_kv4_1_64_arch);
+
+const bfd_arch_info_type bfd_kv3_1_64_arch =
+  N (64 , bfd_mach_kv3_1_64  , "kvx:kv3-1:64"  , false , &bfd_kv3_2_64_arch);
+
+const bfd_arch_info_type bfd_kv4_1_arch =
+  N (32 , bfd_mach_kv4_1     , "kvx:kv4-1"     , false , &bfd_kv3_1_64_arch);
+
+const bfd_arch_info_type bfd_kv3_2_arch =
+  N (32 , bfd_mach_kv3_2     , "kvx:kv3-2"     , false , &bfd_kv4_1_arch);
+
+const bfd_arch_info_type bfd_kvx_arch =
+  N (32 , bfd_mach_kv3_1     , "kvx:kv3-1"     , true  , &bfd_kv3_2_arch);