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authorDale Rahn <drahn@cvs.openbsd.org>2001-09-18 17:59:42 +0000
committerDale Rahn <drahn@cvs.openbsd.org>2001-09-18 17:59:42 +0000
commitca0a7c8f77dc1cfe9d906eb9ae7a51de3e3c792b (patch)
treeaa764f0a1de1426da5da7ac5a98ec830fb93dc31
parent7bcd34acfad0ac7aa7af49eee26c04a041036d09 (diff)
Remove rdsetroot from here and use the one in distrib/common (elf version)
-rw-r--r--distrib/macppc/common/rdsetroot.c214
-rw-r--r--distrib/macppc/ramdisk/Makefile4
2 files changed, 2 insertions, 216 deletions
diff --git a/distrib/macppc/common/rdsetroot.c b/distrib/macppc/common/rdsetroot.c
deleted file mode 100644
index f2eaa9c429e..00000000000
--- a/distrib/macppc/common/rdsetroot.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/* $OpenBSD: rdsetroot.c,v 1.1 2001/09/01 16:47:03 drahn Exp $ */
-/* $NetBSD: rdsetroot.c,v 1.2 1995/10/13 16:38:39 gwr Exp $ */
-
-/*
- * Copyright (c) 1994 Gordon W. Ross
- * All rights reserved.
- *
- * ELF modifications Copyright (c) 1997 Per Fogelstrom.
- *
- * 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. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
- */
-
-/*
- * Copy a ramdisk image into the space reserved for it.
- * Kernel variables: rd_root_size, rd_root_image
- */
-
-#include <sys/types.h>
-#include <sys/file.h>
-#include <sys/mman.h>
-
-#include <stdio.h>
-#include <nlist.h>
-#include <sys/exec_elf.h>
-
-extern off_t lseek();
-
-char *file;
-
-/* Virtual addresses of the symbols we frob. */
-long rd_root_image_va, rd_root_size_va;
-
-/* Offsets relative to start of data segment. */
-long rd_root_image_off, rd_root_size_off;
-
-/* value in the location at rd_root_size_off */
-int rd_root_size_val;
-
-/* pointers to pieces of mapped file */
-char *dataseg;
-
-/* parameters to mmap digged out from program header */
-int mmap_offs;
-int mmap_size;
-
-main(argc,argv)
- char **argv;
-{
- int fd, n;
- int found;
- int *ip;
- char *cp;
- Elf32_Ehdr eh;
- Elf32_Phdr *ph;
- int phsize;
-
- if (argc < 2) {
- printf("%s: missing file name\n", argv[0]);
- exit(1);
- }
- file = argv[1];
-
- fd = open(file, O_RDWR);
- if (fd < 0) {
- perror(file);
- exit(1);
- }
-
- n = read(fd, &eh, sizeof(eh));
- if (n < sizeof(eh)) {
- printf("%s: reading header\n", file);
- exit(1);
- }
-
- if (!IS_ELF(eh)) {
- printf("%s: not elf\n", file);
- exit(1);
- }
-
- phsize = eh.e_phnum * sizeof(Elf32_Phdr);
- ph = (Elf32_Phdr *)malloc(phsize);
- lseek(fd, eh.e_phoff, 0);
- if(read(fd, (char *)ph, phsize) != phsize) {
- printf("%s: can't read phdr area\n", file);
- exit(1);
- }
- found = 0;
- for(n = 0; n < eh.e_phnum && !found; n++) {
- if(ph[n].p_type == PT_LOAD) {
- found = find_rd_root_image(file, &eh, &ph[n]);
- }
- }
- if(!found) {
- printf("%s: can't locate space for rd_root_image!", file);
- exit(1);
- }
-
- /*
- * Map in the whole data segment.
- * The file offset needs to be page aligned.
- */
- dataseg = mmap(NULL, /* any address is ok */
- mmap_size, /* length */
- PROT_READ | PROT_WRITE,
- MAP_SHARED,
- fd, mmap_offs);
- if ((long)dataseg == -1) {
- printf("%s: can not map data seg\n", file);
- perror(file);
- exit(1);
- }
-
- /*
- * Find value in the location: rd_root_size
- */
- ip = (int*) (dataseg + rd_root_size_off);
- rd_root_size_val = *ip;
-#ifdef DEBUG
- printf("rd_root_size val: 0x%08X (%d blocks)\n",
- rd_root_size_val, (rd_root_size_val >> 9));
-#endif
-
- /*
- * Copy the symbol table and string table.
- */
-#ifdef DEBUG
- printf("copying root image...\n");
-#endif
- n = read(0, dataseg + rd_root_image_off,
- rd_root_size_val);
- if (n < 0) {
- perror("read");
- exit(1);
- }
-
- msync(dataseg, mmap_size, 0);
-
-#ifdef DEBUG
- printf("...copied %d bytes\n", n);
-#endif
- close(fd);
- exit(0);
-}
-
-
-/*
- * Find locations of the symbols to patch.
- */
-struct nlist wantsyms[] = {
- { "_rd_root_size", 0 },
- { "_rd_root_image", 0 },
- { NULL, 0 },
-};
-
-int
-find_rd_root_image(file, eh, ph)
- char *file;
- Elf32_Ehdr *eh;
- Elf32_Phdr *ph;
-{
- int data_va;
- int std_entry;
- int kernel_start;
- int kernel_size;
-
- if (nlist(file, wantsyms)) {
- printf("%s: no rd_root_image symbols?\n", file);
- exit(1);
- }
- kernel_start = ph->p_paddr;
- kernel_size = ph->p_filesz;
-
- rd_root_size_off = wantsyms[0].n_value - kernel_start;
- rd_root_image_off = wantsyms[1].n_value - kernel_start;
-
-#ifdef DEBUG
- printf("rd_root_size_off = 0x%x\n", rd_root_size_off);
- printf("rd_root_image_off = 0x%x\n", rd_root_image_off);
-#endif
-
- /*
- * Sanity check locations of db_* symbols
- */
- if (rd_root_image_off < 0 || rd_root_image_off >= kernel_size) {
- return(0);
- }
- if (rd_root_size_off < 0 || rd_root_size_off >= kernel_size) {
- printf("%s: rd_root_size not in data segment?\n", file);
- return(0);
- }
- mmap_offs = ph->p_offset;
- mmap_size = kernel_size;
- return(1);
-}
diff --git a/distrib/macppc/ramdisk/Makefile b/distrib/macppc/ramdisk/Makefile
index 537bb0b51e8..55d45760859 100644
--- a/distrib/macppc/ramdisk/Makefile
+++ b/distrib/macppc/ramdisk/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.3 2001/09/17 22:38:26 drahn Exp $
+# $OpenBSD: Makefile,v 1.4 2001/09/18 17:59:41 drahn Exp $
TOP= ${.CURDIR}/..
@@ -72,7 +72,7 @@ rd_teardown:
-vnconfig -u ${VND}
rdsetroot: ${TOP}/common/rdsetroot.c
- ${HOSTCC} -DDEBUG -o rdsetroot ${TOP}/common/rdsetroot.c
+ ${HOSTCC} -DDEBUG -o rdsetroot ${TOP}/../common/elfrdsetroot.c
unconfig:
-umount -f ${MOUNT_POINT}