-/* BFD library support routines for the Hitachi H8/300 architecture.
- Copyright (C) 1990, 91, 92, 93, 94 Free Software Foundation, Inc.
+/* BFD library support routines for the Renesas H8/300 architecture.
+ Copyright (C) 1990-2020 Free Software Foundation, Inc.
Hacked by Steve Chamberlain 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"
+#include "cpu-h8300.h"
-#if 0 /* not used currently */
-/*
-Relocations for the H8
-
-*/
-static bfd_reloc_status_type
-howto16_callback (abfd, reloc_entry, symbol_in, data,
- ignore_input_section, ignore_bfd)
- bfd * abfd;
- arelent * reloc_entry;
- struct symbol_cache_entry *symbol_in;
- PTR data;
- asection * ignore_input_section;
- bfd * ignore_bfd;
-{
- long relocation = 0;
- bfd_vma addr = reloc_entry->address;
- long x = bfd_get_16 (abfd, (bfd_byte *) data + addr);
-
- HOWTO_PREPARE (relocation, symbol_in);
-
- x = (x + relocation + reloc_entry->addend);
-
- bfd_put_16 (abfd, x, (bfd_byte *) data + addr);
- return bfd_reloc_ok;
-}
-
-
-static bfd_reloc_status_type
-howto8_callback (abfd, reloc_entry, symbol_in, data,
- ignore_input_section, ignore_bfd)
- bfd * abfd;
- arelent * reloc_entry;
- struct symbol_cache_entry *symbol_in;
- PTR data;
- asection * ignore_input_section;
- bfd * ignore_bfd;
-{
- long relocation = 0;
- bfd_vma addr = reloc_entry->address;
- long x = bfd_get_8 (abfd, (bfd_byte *) data + addr);
-
- HOWTO_PREPARE (relocation, symbol_in);
-
- x = (x + relocation + reloc_entry->addend);
-
- bfd_put_8 (abfd, x, (bfd_byte *) data + addr);
- return bfd_reloc_ok;
-}
-
-
-static bfd_reloc_status_type
-howto8_FFnn_callback (abfd, reloc_entry, symbol_in, data,
- ignore_input_section, ignore_bfd)
- bfd * abfd;
- arelent * reloc_entry;
- struct symbol_cache_entry *symbol_in;
- PTR data;
- asection * ignore_input_section;
- bfd * ignore_bfd;
-{
- long relocation = 0;
- bfd_vma addr = reloc_entry->address;
-
- long x = bfd_get_8 (abfd, (bfd_byte *) data + addr);
- abort ();
- HOWTO_PREPARE (relocation, symbol_in);
-
- x = (x + relocation + reloc_entry->addend);
-
- bfd_put_8 (abfd, x, (bfd_byte *) data + addr);
- return bfd_reloc_ok;
-}
-
-static bfd_reloc_status_type
-howto8_pcrel_callback (abfd, reloc_entry, symbol_in, data,
- ignore_input_section, ignore_bfd)
- bfd * abfd;
- arelent * reloc_entry;
- struct symbol_cache_entry *symbol_in;
- PTR data;
- asection * ignore_input_section;
- bfd * ignore_bfd;
-{
- long relocation = 0;
- bfd_vma addr = reloc_entry->address;
- long x = bfd_get_8 (abfd, (bfd_byte *) data + addr);
- abort ();
- HOWTO_PREPARE (relocation, symbol_in);
-
- x = (x + relocation + reloc_entry->addend);
-
- bfd_put_8 (abfd, x, (bfd_byte *) data + addr);
- return bfd_reloc_ok;
-}
-
-static reloc_howto_type howto_16
-= NEWHOWTO (howto16_callback, "abs16", 1, false, false);
-static reloc_howto_type howto_8
-= NEWHOWTO (howto8_callback, "abs8", 0, false, false);
-
-static reloc_howto_type howto_8_FFnn
-= NEWHOWTO (howto8_FFnn_callback, "ff00+abs8", 0, false, false);
-
-static reloc_howto_type howto_8_pcrel
-= NEWHOWTO (howto8_pcrel_callback, "pcrel8", 0, false, true);
-
-static reloc_howto_type *
-local_bfd_reloc_type_lookup (arch, code)
- CONST struct bfd_arch_info *arch;
- bfd_reloc_code_real_type code;
-{
- switch (code)
- {
- case BFD_RELOC_16:
- return &howto_16;
- case BFD_RELOC_8_FFnn:
- return &howto_8_FFnn;
- case BFD_RELOC_8:
- return &howto_8;
- case BFD_RELOC_8_PCREL:
- return &howto_8_pcrel;
- default:
- return (reloc_howto_type *) NULL;
- }
- }
-#endif
-
-int bfd_default_scan_num_mach ();
-
-static boolean
-h8300_scan (info, string)
- CONST struct bfd_arch_info *info;
- CONST char *string;
+static bfd_boolean
+h8300_scan (const struct bfd_arch_info *info, const char *string)
{
if (*string != 'h' && *string != 'H')
- return false;
+ return FALSE;
string++;
if (*string != '8')
- return false;
+ return FALSE;
string++;
if (*string == '/')
string++;
if (*string != '3')
- return false;
+ return FALSE;
string++;
if (*string != '0')
- return false;
+ return FALSE;
string++;
if (*string != '0')
- return false;
+ 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
+ else if (*string == 's' || *string == 'S')
{
- return info->mach == bfd_mach_h8300;
+ 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. */
-/* 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 (in, out)
- CONST bfd_arch_info_type * in;
- CONST bfd_arch_info_type * out;
+static const bfd_arch_info_type *
+compatible (const bfd_arch_info_type *in, const bfd_arch_info_type *out)
{
- /* If the output is non-H and the input is -H, that's bad */
- if (in->mach == bfd_mach_h8300h &&
- out->mach == bfd_mach_h8300)
+ if (in->arch != out->arch)
return 0;
-
- /* If either is an -H, the answer is -H */
- if (in->mach == bfd_mach_h8300h)
+ 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;
- return out;
}
-static bfd_arch_info_type h8300_info_struct =
-{
- 16, /* 16 bits in a word */
- 16, /* 16 bits in an address */
- 8, /* 8 bits in a byte */
- bfd_arch_h8300,
- bfd_mach_h8300,
- "H8/300", /* arch_name */
- "H8/300", /* printable name */
- 1,
- true, /* the default machine */
- compatible,
- h8300_scan,
- 0,
-/* local_bfd_reloc_type_lookup, */
- 0,
-};
-
-
-static bfd_arch_info_type h8300h_info_struct =
-{
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address */
- 8, /* 8 bits in a byte */
- bfd_arch_h8300,
- bfd_mach_h8300h,
- "H8/300H", /* arch_name */
- "H8/300H", /* printable name */
- 1,
- false, /* the default machine */
- compatible,
- h8300_scan,
- 0,
-/* local_bfd_reloc_type_lookup, */
- 0,
-};
-
-void
-bfd_h8300_arch()
+#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)
{
- bfd_arch_linkin (&h8300_info_struct);
- bfd_arch_linkin (&h8300h_info_struct);
+ /* 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 ();
+ }
}