1 /* load.c --- loading object files into the RL78 simulator.
3 Copyright (C) 2005-2021 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/>.
22 /* This must come before any other includes. */
29 #include "libiberty.h"
36 #include "elf/internal.h"
37 #include "elf/common.h"
39 /* Helper function for invoking a GDB-specified printf. */
41 xprintf (host_callback *callback, const char *fmt, ...)
47 (*callback->vprintf_filtered) (callback, fmt, ap);
52 /* Given a file offset, look up the section name. */
54 find_section_name_by_offset (bfd *abfd, file_ptr filepos)
58 for (s = abfd->sections; s; s = s->next)
59 if (s->filepos == filepos)
60 return bfd_section_name (s);
66 rl78_load (bfd *prog, host_callback *callbacks, const char * const simname)
68 Elf_Internal_Phdr * phdrs;
76 /* Note we load by ELF program header not by BFD sections.
77 This is because BFD sections get their information from
78 the ELF section structure, which only includes a VMA value
79 and not an LMA value. */
80 sizeof_phdrs = bfd_get_elf_phdr_upper_bound (prog);
81 if (sizeof_phdrs == 0)
83 fprintf (stderr, "%s: Failed to get size of program headers\n", simname);
86 phdrs = xmalloc (sizeof_phdrs);
88 num_headers = bfd_get_elf_phdrs (prog, phdrs);
91 fprintf (stderr, "%s: Failed to read program headers\n", simname);
95 switch (elf_elfheader (prog)->e_flags & E_FLAG_RL78_CPU_MASK)
101 mem_set_mirror (0, 0xf8000, 4096);
103 case E_FLAG_RL78_G13:
108 case E_FLAG_RL78_G14:
114 /* Keep whatever was manually specified. */
118 for (i = 0; i < num_headers; i++)
120 Elf_Internal_Phdr * p = phdrs + i;
133 "[load segment: lma=%08" BFD_VMA_FMT "x vma=%08x "
134 "size=%08" BFD_VMA_FMT "x]\n",
135 base, (int) p->p_vaddr, size);
138 "Loading section %s, size %#" BFD_VMA_FMT "x "
139 "lma %08" BFD_VMA_FMT "x vma %08lx\n",
140 find_section_name_by_offset (prog, p->p_offset),
141 size, base, p->p_vaddr);
143 buf = xmalloc (size);
145 offset = p->p_offset;
146 if (bfd_seek (prog, offset, SEEK_SET) != 0)
148 fprintf (stderr, "%s, Failed to seek to offset %lx\n", simname, (long) offset);
152 if (bfd_bread (buf, size, prog) != size)
154 fprintf (stderr, "%s: Failed to read %" BFD_VMA_FMT "x bytes\n",
159 if (base > 0xeffff || base + size > 0xeffff)
162 "%s, Can't load image to RAM/SFR space: 0x%" BFD_VMA_FMT "x "
163 "- 0x%" BFD_VMA_FMT "x\n",
164 simname, base, base+size);
167 if (max_rom < base + size)
168 max_rom = base + size;
170 mem_put_blk (base, buf, size);
176 mem_rom_size (max_rom);
178 pc = prog->start_address;
180 if (strcmp (bfd_get_target (prog), "srec") == 0
187 fprintf (stderr, "[start pc=%08x]\n", (unsigned int) pc);