123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175 |
- /* BFD library support routines for the Renesas H8/300 architecture.
- Copyright (C) 1990-2022 Free Software Foundation, Inc.
- Hacked by Steve Chamberlain of Cygnus Support.
- 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"
- #include "cpu-h8300.h"
- static bool
- h8300_scan (const struct bfd_arch_info *info, const char *string)
- {
- if (*string != 'h' && *string != 'H')
- return false;
- string++;
- if (*string != '8')
- return false;
- string++;
- if (*string == '/')
- string++;
- if (*string != '3')
- return false;
- string++;
- if (*string != '0')
- return false;
- string++;
- if (*string != '0')
- return false;
- string++;
- if (*string == '-')
- string++;
- /* In ELF linker scripts, we typically express the architecture/machine
- as architecture:machine.
- So if we've matched so far and encounter a colon, try to match the
- string following the colon. */
- if (*string == ':')
- {
- string++;
- return h8300_scan (info, string);
- }
- if (*string == 'h' || *string == 'H')
- {
- string++;
- if (*string == 'n' || *string == 'N')
- return (info->mach == bfd_mach_h8300hn);
- return (info->mach == bfd_mach_h8300h);
- }
- else if (*string == 's' || *string == 'S')
- {
- string++;
- if (*string == 'n' || *string == 'N')
- return (info->mach == bfd_mach_h8300sn);
- if (*string == 'x' || *string == 'X')
- {
- string++;
- if (*string == 'n' || *string == 'N')
- return (info->mach == bfd_mach_h8300sxn);
- return (info->mach == bfd_mach_h8300sx);
- }
- return (info->mach == bfd_mach_h8300s);
- }
- else
- return info->mach == bfd_mach_h8300;
- }
- /* This routine is provided two arch_infos and works out the machine
- which would be compatible with both and returns a pointer to its
- info structure. */
- static const bfd_arch_info_type *
- compatible (const bfd_arch_info_type *in, const bfd_arch_info_type *out)
- {
- if (in->arch != out->arch)
- return 0;
- if (in->mach == bfd_mach_h8300sx && out->mach == bfd_mach_h8300s)
- return in;
- if (in->mach == bfd_mach_h8300s && out->mach == bfd_mach_h8300sx)
- return out;
- if (in->mach == bfd_mach_h8300sxn && out->mach == bfd_mach_h8300sn)
- return in;
- if (in->mach == bfd_mach_h8300sn && out->mach == bfd_mach_h8300sxn)
- return out;
- /* It's really not a good idea to mix and match modes. */
- if (in->mach != out->mach)
- return 0;
- else
- return in;
- }
- #define N(word, addr, number, name, print, default, next) \
- { word, addr, 8, bfd_arch_h8300, number, name, print, 1, default, \
- compatible, h8300_scan, bfd_arch_default_fill, next, 0 }
- static const bfd_arch_info_type h8300sxn_info_struct =
- N (32, 16, bfd_mach_h8300sxn, "h8300sxn", "h8300sxn", false, NULL);
- static const bfd_arch_info_type h8300sx_info_struct =
- N (32, 32, bfd_mach_h8300sx, "h8300sx", "h8300sx", false, &h8300sxn_info_struct);
- static const bfd_arch_info_type h8300sn_info_struct =
- N (32, 16, bfd_mach_h8300sn, "h8300sn", "h8300sn", false, &h8300sx_info_struct);
- static const bfd_arch_info_type h8300hn_info_struct =
- N (32, 16, bfd_mach_h8300hn, "h8300hn", "h8300hn", false, &h8300sn_info_struct);
- static const bfd_arch_info_type h8300s_info_struct =
- N (32, 32, bfd_mach_h8300s, "h8300s", "h8300s", false, & h8300hn_info_struct);
- static const bfd_arch_info_type h8300h_info_struct =
- N (32, 32, bfd_mach_h8300h, "h8300h", "h8300h", false, &h8300s_info_struct);
- const bfd_arch_info_type bfd_h8300_arch =
- N (16, 16, bfd_mach_h8300, "h8300", "h8300", true, &h8300h_info_struct);
- /* Pad the given address to 32 bits, converting 16-bit and 24-bit
- addresses into the values they would have had on a h8s target. */
- bfd_vma
- bfd_h8300_pad_address (bfd *abfd, bfd_vma address)
- {
- /* Cope with bfd_vma's larger than 32 bits. */
- address &= 0xffffffffu;
- switch (bfd_get_mach (abfd))
- {
- case bfd_mach_h8300:
- case bfd_mach_h8300hn:
- case bfd_mach_h8300sn:
- case bfd_mach_h8300sxn:
- /* Sign extend a 16-bit address. */
- if (address >= 0x8000)
- return address | 0xffff0000u;
- return address;
- case bfd_mach_h8300h:
- /* Sign extend a 24-bit address. */
- if (address >= 0x800000)
- return address | 0xff000000u;
- return address;
- case bfd_mach_h8300s:
- case bfd_mach_h8300sx:
- return address;
- default:
- abort ();
- }
- }
|