/* BFD support for the Axis CRIS architecture.
- Copyright 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000-2020 Free Software Foundation, Inc.
Contributed by Axis Communications AB.
Written by Hans-Peter Nilsson.
-This file is part of BFD, the Binary File Descriptor library.
+ 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 2 of the License, or
-(at your option) any later version.
+ 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.
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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 "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
-const bfd_arch_info_type
-bfd_cris_arch =
+/* This routine is provided two arch_infos and returns the lowest common
+ denominator. CRIS v0..v10 vs. v32 are not compatible in general, but
+ there's a compatible subset for which we provide an arch_info. */
+
+static const bfd_arch_info_type * get_compatible
+ (const bfd_arch_info_type *, const bfd_arch_info_type *);
+
+static const bfd_arch_info_type *
+get_compatible (const bfd_arch_info_type *a,
+ const bfd_arch_info_type *b)
+{
+ /* Arches must match. */
+ if (a->arch != b->arch)
+ return NULL;
+
+ /* If either is the compatible mach, return the other. */
+ if (a->mach == bfd_mach_cris_v10_v32)
+ return b;
+ if (b->mach == bfd_mach_cris_v10_v32)
+ return a;
+
+#if 0
+ /* The code below is disabled but kept as a warning.
+ See ldlang.c:lang_check. Quite illogically, incompatible arches
+ (as signalled by this function) are only *warned* about, while with
+ this function signalling compatible ones, we can have the
+ cris_elf_merge_private_bfd_data function return an error. This is
+ undoubtedly a FIXME: in general. Also, the
+ command_line.warn_mismatch flag and the --no-warn-mismatch option
+ are misnamed for the multitude of ports that signal compatibility:
+ it is there an error, not a warning. We work around it by
+ pretending matching machs here. */
+
+ /* Except for the compatible mach, machs must match. */
+ if (a->mach != b->mach)
+ return NULL;
+#endif
+
+ return a;
+}
+
+#define N(NUMBER, PRINT, NEXT) \
+ { 32, 32, 8, bfd_arch_cris, NUMBER, "cris", PRINT, 1, FALSE, \
+ get_compatible, bfd_default_scan, bfd_arch_default_fill, NEXT, 0 }
+
+static const bfd_arch_info_type bfd_cris_arch_compat_v10_v32 =
+ N (bfd_mach_cris_v10_v32, "cris:common_v10_v32", NULL);
+
+static const bfd_arch_info_type bfd_cris_arch_v32 =
+ N (bfd_mach_cris_v32, "crisv32", &bfd_cris_arch_compat_v10_v32);
+
+const bfd_arch_info_type bfd_cris_arch =
{
32, /* There's 32 bits_per_word. */
32, /* There's 32 bits_per_address. */
bfd_arch_cris, /* One of enum bfd_architecture, defined
in archures.c and provided in
generated header files. */
- 0xff, /* Only 1 machine, but #255 for
- historical reasons. */
+ bfd_mach_cris_v0_v10, /* Random BFD-internal number for this
+ machine, similarly listed in
+ archures.c. Not emitted in output. */
"cris", /* The arch_name. */
"cris", /* The printable name is the same. */
1, /* Section alignment power; each section
is aligned to (only) 2^1 bytes. */
- true, /* This is the default "machine", since
- there's only one. */
- bfd_default_compatible, /* A default function for testing
+ TRUE, /* This is the default "machine". */
+ get_compatible, /* A function for testing
"machine" compatibility of two
bfd_arch_info_type. */
- bfd_default_scan, /* Check if an bfd_arch_info_type is a
+ bfd_default_scan, /* Check if a bfd_arch_info_type is a
match. */
- NULL /* Pointer to next bfd_arch_info_type in
+ bfd_arch_default_fill, /* Default fill. */
+ &bfd_cris_arch_v32, /* Pointer to next bfd_arch_info_type in
the same family. */
+ 0 /* Maximum offset of a reloc from the start of an insn. */
};
/*
projects / deliverable / binutils-gdb.git / blobdiff