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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.18.50/] [bfd/] [cpu-cris.c] - Rev 410
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/* BFD support for the Axis CRIS architecture. Copyright 2000, 2002, 2004, 2005, 2007 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 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" /* 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 PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *)); static const bfd_arch_info_type * get_compatible (a,b) 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, NEXT } 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. */ 8, /* There's 8 bits_per_byte. */ bfd_arch_cris, /* One of enum bfd_architecture, defined in archures.c and provided in generated header files. */ 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". */ get_compatible, /* A function for testing "machine" compatibility of two bfd_arch_info_type. */ bfd_default_scan, /* Check if a bfd_arch_info_type is a match. */ &bfd_cris_arch_v32 /* Pointer to next bfd_arch_info_type in the same family. */ }; /* * Local variables: * eval: (c-set-style "gnu") * indent-tabs-mode: t * End: */
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