1 /* load.c --- loading object files into the M32C simulator.
3 Copyright (C) 2005-2017 Free Software Foundation, Inc.
4 Contributed by Red Hat, Inc.
6 This file is part of the GNU simulators.
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 3 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, see <http://www.gnu.org/licenses/>. */
32 int (*decode_opcode
) (void) = 0;
33 int default_machine
= 0;
36 m32c_set_mach (unsigned long mach
)
41 m32c_set_cpu (CPU_M16C
);
43 fprintf (stderr
, "[cpu: r8c/m16c]\n");
46 m32c_set_cpu (CPU_M32C
);
48 fprintf (stderr
, "[cpu: m32cm/m32c]\n");
51 fprintf (stderr
, "unknown m32c machine type 0x%lx\n", mach
);
58 m32c_load (bfd
* prog
)
61 unsigned long mach
= bfd_get_mach (prog
);
62 unsigned long highest_addr_loaded
= 0;
64 if (mach
== 0 && default_machine
!= 0)
65 mach
= default_machine
;
69 for (s
= prog
->sections
; s
; s
= s
->next
)
72 /* This was a good idea until we started storing the RAM data in
73 ROM, at which point everything was all messed up. The code
74 remains as a reminder. */
75 if ((s
->flags
& SEC_ALLOC
) && !(s
->flags
& SEC_READONLY
))
77 if (strcmp (bfd_get_section_name (prog
, s
), ".stack"))
80 bfd_get_section_size (s
) + bfd_section_lma (prog
, s
);
81 if (heaptop
< secend
&& bfd_section_lma (prog
, s
) < 0x10000)
83 heaptop
= heapbottom
= secend
;
88 if (s
->flags
& SEC_LOAD
)
94 size
= bfd_get_section_size (s
);
98 base
= bfd_section_lma (prog
, s
);
100 fprintf (stderr
, "[load a=%08x s=%08x %s]\n",
101 (int) base
, (int) size
, bfd_get_section_name (prog
, s
));
102 buf
= (char *) malloc (size
);
103 bfd_get_section_contents (prog
, s
, buf
, 0, size
);
104 mem_put_blk (base
, buf
, size
);
106 if (highest_addr_loaded
< base
+ size
- 1 && size
>= 4)
107 highest_addr_loaded
= base
+ size
- 1;
111 if (strcmp (bfd_get_target (prog
), "srec") == 0)
113 heaptop
= heapbottom
= 0;
117 if (highest_addr_loaded
> 0x10000)
118 regs
.r_pc
= mem_get_si (0x000ffffc) & membus_mask
;
120 regs
.r_pc
= mem_get_si (0x000fffc) & membus_mask
;
123 regs
.r_pc
= mem_get_si (0x00fffffc) & membus_mask
;
128 regs
.r_pc
= prog
->start_address
;
130 fprintf (stderr
, "[start pc=%08x]\n", (unsigned int) regs
.r_pc
);
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