/* BFD back-end for rs6000 support
- Copyright (C) 1990-1991 Free Software Foundation, Inc.
- Written by Mimi Phûông-Thåo Võ of IBM and John Gilmore of Cygnus Support.
+ Copyright (C) 1990-2020 Free Software Foundation, Inc.
+ Written by Mimi Phuong-Thao Vo of IBM
+ and John Gilmore of Cygnus Support.
-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., 675 Mass Ave, Cambridge, MA 02139, 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"
-static bfd_arch_info_type arch_info_struct =
- {
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address */
- 8, /* 8 bits in a byte */
- bfd_arch_rs6000,
- 6000, /* only 1 machine */
- "rs6000",
- "rs6000:6000",
- true, /* the one and only */
- bfd_default_compatible,
- bfd_default_scan ,
- 0,
- 0,
- };
-
-void DEFUN_VOID(bfd_rs6000_arch)
+/* The RS/6000 architecture is compatible with the PowerPC common
+ architecture. */
+
+static const bfd_arch_info_type *
+rs6000_compatible (const bfd_arch_info_type *a,
+ const bfd_arch_info_type *b)
{
- bfd_arch_linkin(&arch_info_struct);
+ BFD_ASSERT (a->arch == bfd_arch_rs6000);
+ switch (b->arch)
+ {
+ default:
+ return NULL;
+ case bfd_arch_rs6000:
+ return bfd_default_compatible (a, b);
+ case bfd_arch_powerpc:
+ if (a->mach == bfd_mach_rs6k)
+ return b;
+ return NULL;
+ }
+ /*NOTREACHED*/
}
+
+#define N(NUMBER, PRINT, DEFAULT, NEXT) \
+ { \
+ 32, /* Bits in a word. */ \
+ 32, /* Bits in an address. */ \
+ 8, /* Bits in a byte. */ \
+ bfd_arch_rs6000, \
+ NUMBER, \
+ "rs6000", \
+ PRINT, \
+ 3, /* Section alignment power. */ \
+ DEFAULT, \
+ rs6000_compatible, \
+ bfd_default_scan, \
+ bfd_arch_default_fill, \
+ NEXT, \
+ 0 /* Maximum offset of a reloc from the start of an insn. */ \
+ }
+
+static const bfd_arch_info_type arch_info_struct[3] =
+{
+ N (bfd_mach_rs6k_rs1, "rs6000:rs1", FALSE, arch_info_struct + 1),
+ N (bfd_mach_rs6k_rsc, "rs6000:rsc", FALSE, arch_info_struct + 2),
+ N (bfd_mach_rs6k_rs2, "rs6000:rs2", FALSE, NULL)
+};
+
+const bfd_arch_info_type bfd_rs6000_arch =
+ N (bfd_mach_rs6k, "rs6000:6000", TRUE, arch_info_struct + 0);