2 * Copyright (c) 2002 Jake Burkholder
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/types.h>
31 #include <sys/elf64.h>
38 #define be16toh(x) (x)
39 #define be32toh(x) (x)
40 #define be64toh(x) (x)
41 #define htobe32(x) (x)
53 #define A_MAGIC 0x01030107
58 static void usage(void);
61 * elf to a.out converter for freebsd/sparc64 bootblocks.
64 main(int ac, char **av)
66 Elf64_Quarter phentsize;
67 Elf64_Quarter machine;
85 while ((c = getopt(ac, av, "o:")) != -1)
88 if ((fd = open(optarg, O_CREAT|O_RDWR, 0644)) < 0)
100 if ((efd = open(*av, O_RDONLY)) < 0 || fstat(efd, &sb) < 0)
102 v = mmap(NULL, sb.st_size, PROT_READ, MAP_SHARED, efd, 0);
103 if ((e = v) == MAP_FAILED)
107 errx(1, "not an elf file");
108 if (e->e_ident[EI_CLASS] != ELFCLASS64)
109 errx(1, "wrong class");
110 if (e->e_ident[EI_DATA] != ELFDATA2MSB)
111 errx(1, "wrong data format");
112 if (e->e_ident[EI_VERSION] != EV_CURRENT)
113 errx(1, "wrong elf version");
114 machine = be16toh(e->e_machine);
115 if (machine != EM_SPARCV9)
116 errx(1, "wrong machine type");
117 phentsize = be16toh(e->e_phentsize);
118 if (phentsize != sizeof(*p))
119 errx(1, "phdr size mismatch");
121 entry = be64toh(e->e_entry);
122 phoff = be64toh(e->e_phoff);
123 phnum = be16toh(e->e_phnum);
124 p = (Elf64_Phdr *)((char *)e + phoff);
125 bzero(&a, sizeof(a));
126 for (i = 0; i < phnum; i++) {
127 type = be32toh(p[i].p_type);
131 errx(1, "too many loadable segments");
132 filesz = be64toh(p[i].p_filesz);
133 memsz = be64toh(p[i].p_memsz);
134 offset = be64toh(p[i].p_offset);
135 a.a_magic = htobe32(A_MAGIC);
136 a.a_text = htobe32(filesz);
137 a.a_bss = htobe32(memsz - filesz);
138 a.a_entry = htobe32(entry);
139 if (write(fd, &a, sizeof(a)) != sizeof(a) ||
140 write(fd, (char *)e + offset, filesz) != filesz)
155 errx(1, "usage: elftoaout -o outfile infile");