1 /* BFD library support routines for the Renesas H8/300 architecture.
2 Copyright (C) 1990-2019 Free Software Foundation, Inc.
3 Hacked by Steve Chamberlain of Cygnus Support.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 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 #define N(word, addr, number, name, print, default, next) \
117 { word, addr, 8, bfd_arch_h8300, number, name, print, 1, default, \
118 compatible, h8300_scan, bfd_arch_default_fill, next, 0 }
120 static const bfd_arch_info_type h8300sxn_info_struct
=
121 N (32, 16, bfd_mach_h8300sxn
, "h8300sxn", "h8300sxn", FALSE
, NULL
);
123 static const bfd_arch_info_type h8300sx_info_struct
=
124 N (32, 32, bfd_mach_h8300sx
, "h8300sx", "h8300sx", FALSE
, &h8300sxn_info_struct
);
126 static const bfd_arch_info_type h8300sn_info_struct
=
127 N (32, 16, bfd_mach_h8300sn
, "h8300sn", "h8300sn", FALSE
, &h8300sx_info_struct
);
129 static const bfd_arch_info_type h8300hn_info_struct
=
130 N (32, 16, bfd_mach_h8300hn
, "h8300hn", "h8300hn", FALSE
, &h8300sn_info_struct
);
132 static const bfd_arch_info_type h8300s_info_struct
=
133 N (32, 32, bfd_mach_h8300s
, "h8300s", "h8300s", FALSE
, & h8300hn_info_struct
);
135 static const bfd_arch_info_type h8300h_info_struct
=
136 N (32, 32, bfd_mach_h8300h
, "h8300h", "h8300h", FALSE
, &h8300s_info_struct
);
138 const bfd_arch_info_type bfd_h8300_arch
=
139 N (16, 16, bfd_mach_h8300
, "h8300", "h8300", TRUE
, &h8300h_info_struct
);
141 /* Pad the given address to 32 bits, converting 16-bit and 24-bit
142 addresses into the values they would have had on a h8s target. */
145 bfd_h8300_pad_address (bfd
*abfd
, bfd_vma address
)
147 /* Cope with bfd_vma's larger than 32 bits. */
148 address
&= 0xffffffffu
;
150 switch (bfd_get_mach (abfd
))
153 case bfd_mach_h8300hn
:
154 case bfd_mach_h8300sn
:
155 case bfd_mach_h8300sxn
:
156 /* Sign extend a 16-bit address. */
157 if (address
>= 0x8000)
158 return address
| 0xffff0000u
;
161 case bfd_mach_h8300h
:
162 /* Sign extend a 24-bit address. */
163 if (address
>= 0x800000)
164 return address
| 0xff000000u
;
167 case bfd_mach_h8300s
:
168 case bfd_mach_h8300sx
: