diff options
Diffstat (limited to 'binutils-2.25/bfd/cpu-cris.c')
| -rw-r--r-- | binutils-2.25/bfd/cpu-cris.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/binutils-2.25/bfd/cpu-cris.c b/binutils-2.25/bfd/cpu-cris.c new file mode 100644 index 00000000..045425d9 --- /dev/null +++ b/binutils-2.25/bfd/cpu-cris.c @@ -0,0 +1,110 @@ +/* BFD support for the Axis CRIS architecture. + Copyright 2000, 2002, 2004, 2005, 2007, 2012 + 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 + (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 } + +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_arch_default_fill, /* Default fill. */ + &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: + */ |