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[src/trunk]: src/sys/arch/amiga/stand/bootblock/elf2bb The ELF counterpart to...



details:   https://anonhg.NetBSD.org/src/rev/7d90a8ec1dee
branches:  trunk
changeset: 519505:7d90a8ec1dee
user:      mhitch <mhitch%NetBSD.org@localhost>
date:      Wed Dec 19 06:51:05 2001 +0000

description:
The ELF counterpart to aout2bb:  convert a relocatable ELF object file
to the simple relocatable image used for the amiga bootblock loader.

diffstat:

 sys/arch/amiga/stand/bootblock/elf2bb/Makefile |    8 +
 sys/arch/amiga/stand/bootblock/elf2bb/chksum.c |   88 +++++
 sys/arch/amiga/stand/bootblock/elf2bb/chksum.h |   42 ++
 sys/arch/amiga/stand/bootblock/elf2bb/elf2bb.c |  410 +++++++++++++++++++++++++
 sys/arch/amiga/stand/bootblock/elf2bb/elf2bb.h |   74 ++++
 5 files changed, 622 insertions(+), 0 deletions(-)

diffs (truncated from 642 to 300 lines):

diff -r e76b7290b922 -r 7d90a8ec1dee sys/arch/amiga/stand/bootblock/elf2bb/Makefile
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/amiga/stand/bootblock/elf2bb/Makefile    Wed Dec 19 06:51:05 2001 +0000
@@ -0,0 +1,8 @@
+#      $NetBSD: Makefile,v 1.1 2001/12/19 06:51:05 mhitch Exp $
+#
+CPPFLAGS+= -I.
+HOSTPROG=      elf2bb
+MKMAN= no
+SRCS=  elf2bb.c chksum.c
+
+.include <bsd.hostprog.mk>
diff -r e76b7290b922 -r 7d90a8ec1dee sys/arch/amiga/stand/bootblock/elf2bb/chksum.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/amiga/stand/bootblock/elf2bb/chksum.c    Wed Dec 19 06:51:05 2001 +0000
@@ -0,0 +1,88 @@
+/* $NetBSD: chksum.c,v 1.1 2001/12/19 06:51:05 mhitch Exp $ */
+
+/*-
+ * Copyright (c) 1996 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Ignatios Souvatzis.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#include "chksum.h"
+
+u_int32_t
+chksum(block, size)
+       u_int32_t *block;
+       int size;
+{
+       u_int32_t sum, lastsum;
+       int i;
+
+       sum = 0;
+
+       for (i=0; i<size; i++) {
+               lastsum = sum;
+               sum += htobe32(block[i]);
+               if (sum < lastsum)
+                       ++sum;
+       }
+
+       return sum;
+}
+
+#ifdef TESTSUM
+u_int32_t myblock[8192];
+
+int
+main(int argc, char *argb[]) {
+       int bbsize;
+       u_int32_t cks, cks1;
+
+       bbsize=atol(argb[1]);
+       bbsize *= (512 / sizeof (u_int32_t));
+
+       if (4*bbsize != read(0, myblock, sizeof(u_int32_t)*bbsize)) {
+               fprintf(stderr, "short read\n");
+               exit(1);
+       }
+       fprintf(stderr, "Cksum field = 0x%x, ", myblock[1]);
+       cks = chksum(myblock, bbsize);
+       fprintf(stderr, "cksum = 0x%x\n", cks);
+       myblock[1] += 0xFFFFFFFF - cks;
+       fprintf(stderr, "New cksum field = 0x%x, ", myblock[1]);
+       cks1 = chksum(myblock, bbsize);
+       fprintf(stderr, "cksum = 0x%x\n", cks1);
+}
+#endif
diff -r e76b7290b922 -r 7d90a8ec1dee sys/arch/amiga/stand/bootblock/elf2bb/chksum.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/amiga/stand/bootblock/elf2bb/chksum.h    Wed Dec 19 06:51:05 2001 +0000
@@ -0,0 +1,42 @@
+/* $NetBSD: chksum.h,v 1.1 2001/12/19 06:51:05 mhitch Exp $ */
+
+/*-
+ * Copyright (c) 1996 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Ignatios Souvatzis.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define CHKSUMOFFS 1
+
+u_int32_t chksum __P((u_int32_t *, int));
+
diff -r e76b7290b922 -r 7d90a8ec1dee sys/arch/amiga/stand/bootblock/elf2bb/elf2bb.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/amiga/stand/bootblock/elf2bb/elf2bb.c    Wed Dec 19 06:51:05 2001 +0000
@@ -0,0 +1,410 @@
+/*     $NetBSD: elf2bb.c,v 1.1 2001/12/19 06:51:05 mhitch Exp $        */
+
+/*-
+ * Copyright (c) 1996 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Ignatios Souvatzis.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+
+#include <err.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/mman.h>          /* of the machine we're running on */
+#include <machine/endian.h>    /* of the machine we're running on */
+
+#include <elf.h>               /* TARGET */
+#ifndef R_68K_32               /* XXX host not m68k XXX */
+#define        R_68K_32        1
+#define        R_68K_PC32      4
+#define        R_68K_PC16      5
+#endif
+
+#include "elf2bb.h"
+#include "chksum.h"
+
+void usage __P((void));
+int intcmp(const void *, const void *);
+int main(int argc, char *argv[]);
+
+#ifdef DEBUG
+#define dprintf(x) if (debug) printf x
+#else
+#define dprintf(x)
+#endif
+int debug;
+
+#define BBSIZE 8192
+
+char *progname;
+int bbsize = BBSIZE;
+u_int8_t *buffer;
+u_int32_t *relbuf;
+       /* can't have more relocs than that*/
+
+int
+intcmp(i, j)
+       const void *i, *j;
+{
+       int r;
+
+       r = (*(u_int32_t *)i) < (*(u_int32_t *)j);
+       
+       return 2*r-1; 
+}
+
+int
+main(argc, argv)
+       int argc;
+       char *argv[];
+{
+       int ifd, ofd;
+       u_int mid, flags, magic;
+       caddr_t image;
+       Elf32_Ehdr *eh;
+       Elf32_Shdr *sh;
+       char *shstrtab;
+       Elf32_Sym *symtab;
+       char *strtab;
+       int eval(Elf32_Sym *, u_int32_t *);
+       u_int32_t *lptr;
+       int i, l, delta;
+       u_int8_t *rpo;
+       u_int32_t oldaddr, addrdiff;
+       u_int32_t tsz, dsz, bsz, trsz, drsz, entry, relver;
+       u_int32_t pcrelsz, r32sz;
+       int sumsize = 16;
+       int c;
+       u_int32_t *sect_offset;
+       
+
+       progname = argv[0];
+
+       /* insert getopt here, if needed */
+       while ((c = getopt(argc, argv, "dFS:")) != -1)
+       switch(c) {
+       case 'F':
+               sumsize = 2;
+               break;
+       case 'S':
+               bbsize = (atoi(optarg) + 511) & ~511;
+               sumsize = bbsize / 512;
+               break;
+       case 'd':
+               debug = 1;
+               break;
+       default:
+               usage();
+       }
+       argv += optind;
+       argc -= optind;
+
+       if (argc < 2)
+               usage();
+
+       buffer = malloc(bbsize);
+       relbuf = (u_int32_t *)malloc(bbsize);
+       if (buffer == NULL || relbuf == NULL)
+               err(1, "Unable to allocate memory\n");
+
+       ifd = open(argv[0], O_RDONLY, 0);
+       if (ifd < 0)



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