1 /* BFD library support routines for the Renesas H8/300 architecture.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 2000, 2001, 2002,
3 2003, 2004 Free Software Foundation, Inc.
4 Hacked by Steve Chamberlain of Cygnus Support.
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
27 h8300_scan (const struct bfd_arch_info
*info
, const char *string
)
29 if (*string
!= 'h' && *string
!= 'H')
52 /* In ELF linker scripts, we typically express the architecture/machine
53 as architecture:machine.
55 So if we've matched so far and encounter a colon, try to match the
56 string following the colon. */
60 return h8300_scan (info
, string
);
63 if (*string
== 'h' || *string
== 'H')
66 if (*string
== 'n' || *string
== 'N')
67 return (info
->mach
== bfd_mach_h8300hn
);
69 return (info
->mach
== bfd_mach_h8300h
);
71 else if (*string
== 's' || *string
== 'S')
74 if (*string
== 'n' || *string
== 'N')
75 return (info
->mach
== bfd_mach_h8300sn
);
77 if (*string
== 'x' || *string
== 'X')
80 if (*string
== 'n' || *string
== 'N')
81 return (info
->mach
== bfd_mach_h8300sxn
);
83 return (info
->mach
== bfd_mach_h8300sx
);
86 return (info
->mach
== bfd_mach_h8300s
);
89 return info
->mach
== bfd_mach_h8300
;
92 /* This routine is provided two arch_infos and works out the machine
93 which would be compatible with both and returns a pointer to its
96 static const bfd_arch_info_type
*
97 compatible (const bfd_arch_info_type
*in
, const bfd_arch_info_type
*out
)
99 if (in
->arch
!= out
->arch
)
101 if (in
->mach
== bfd_mach_h8300sx
&& out
->mach
== bfd_mach_h8300s
)
103 if (in
->mach
== bfd_mach_h8300s
&& out
->mach
== bfd_mach_h8300sx
)
105 if (in
->mach
== bfd_mach_h8300sxn
&& out
->mach
== bfd_mach_h8300sn
)
107 if (in
->mach
== bfd_mach_h8300sn
&& out
->mach
== bfd_mach_h8300sxn
)
109 /* It's really not a good idea to mix and match modes. */
110 if (in
->mach
!= out
->mach
)
116 static const bfd_arch_info_type h8300sxn_info_struct
=
118 32, /* 32 bits in a word */
119 16, /* 16 bits in an address */
120 8, /* 8 bits in a byte */
123 "h8300sxn", /* arch_name */
124 "h8300sxn", /* printable name */
126 FALSE
, /* the default machine */
132 static const bfd_arch_info_type h8300sx_info_struct
=
134 32, /* 32 bits in a word */
135 32, /* 32 bits in an address */
136 8, /* 8 bits in a byte */
139 "h8300sx", /* arch_name */
140 "h8300sx", /* printable name */
142 FALSE
, /* the default machine */
145 &h8300sxn_info_struct
148 static const bfd_arch_info_type h8300sn_info_struct
=
150 32, /* 32 bits in a word. */
151 16, /* 16 bits in an address. */
152 8, /* 8 bits in a byte. */
155 "h8300sn", /* Architecture name. */
156 "h8300sn", /* Printable name. */
158 FALSE
, /* The default machine. */
164 static const bfd_arch_info_type h8300hn_info_struct
=
166 32, /* 32 bits in a word. */
167 16, /* 16 bits in an address. */
168 8, /* 8 bits in a byte. */
171 "h8300hn", /* Architecture name. */
172 "h8300hn", /* Printable name. */
174 FALSE
, /* The default machine. */
180 static const bfd_arch_info_type h8300s_info_struct
=
182 32, /* 32 bits in a word. */
183 32, /* 32 bits in an address. */
184 8, /* 8 bits in a byte. */
187 "h8300s", /* Architecture name. */
188 "h8300s", /* Printable name. */
190 FALSE
, /* The default machine. */
193 & h8300hn_info_struct
196 static const bfd_arch_info_type h8300h_info_struct
=
198 32, /* 32 bits in a word. */
199 32, /* 32 bits in an address. */
200 8, /* 8 bits in a byte. */
203 "h8300h", /* Architecture name. */
204 "h8300h", /* Printable name. */
206 FALSE
, /* The default machine. */
212 const bfd_arch_info_type bfd_h8300_arch
=
214 16, /* 16 bits in a word. */
215 16, /* 16 bits in an address. */
216 8, /* 8 bits in a byte. */
219 "h8300", /* Architecture name. */
220 "h8300", /* Printable name. */
222 TRUE
, /* The default machine. */
228 /* Pad the given address to 32 bits, converting 16-bit and 24-bit
229 addresses into the values they would have had on a h8s target. */
232 bfd_h8300_pad_address (bfd
*abfd
, bfd_vma address
)
234 /* Cope with bfd_vma's larger than 32 bits. */
235 address
&= 0xffffffffu
;
237 switch (bfd_get_mach (abfd
))
240 case bfd_mach_h8300hn
:
241 case bfd_mach_h8300sn
:
242 case bfd_mach_h8300sxn
:
243 /* Sign extend a 16-bit address. */
244 if (address
>= 0x8000)
245 return address
| 0xffff0000u
;
248 case bfd_mach_h8300h
:
249 /* Sign extend a 24-bit address. */
250 if (address
>= 0x800000)
251 return address
| 0xff000000u
;
254 case bfd_mach_h8300s
:
255 case bfd_mach_h8300sx
: