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[src/trunk]: src/sys/arch/bebox/stand/elf2pef Moved from /cvsroot/syssrc/sys/...
details: https://anonhg.NetBSD.org/src/rev/62b882d445af
branches: trunk
changeset: 474083:62b882d445af
user: sakamoto <sakamoto%NetBSD.org@localhost>
date: Mon Jun 28 00:51:10 1999 +0000
description:
Moved from /cvsroot/syssrc/sys/arch/bebox/stand/boot/elf2pef.c,v
diffstat:
sys/arch/bebox/stand/elf2pef/elf2pef.c | 306 +++++++++++++++++++++++++++++++++
1 files changed, 306 insertions(+), 0 deletions(-)
diffs (truncated from 310 to 300 lines):
diff -r becfdebccded -r 62b882d445af sys/arch/bebox/stand/elf2pef/elf2pef.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/bebox/stand/elf2pef/elf2pef.c Mon Jun 28 00:51:10 1999 +0000
@@ -0,0 +1,306 @@
+/* $NetBSD: elf2pef.c,v 1.4 1999/06/28 00:51:10 sakamoto Exp $ */
+
+/*-
+ * Copyright (C) 1997-1998 Kazuki Sakamoto (sakamoto%netbsd.org@localhost)
+ * Copyright (C) 1995-1997 Gary Thomas (gdt%linuxppc.org@localhost)
+ * All rights reserved.
+ *
+ * turn ELF image into a PEF image.
+ *
+ * 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 Gary Thomas.
+ * 4. 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/exec_elf.h>
+#include <machine/endian.h>
+#include "pef.h"
+#include "magic.h"
+
+#if BYTE_ORDER == LITTLE_ENDIAN
+unsigned long
+_BE_long(val)
+ unsigned long val;
+{
+ unsigned char *p = (unsigned char *)&val;
+ return ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0));
+}
+
+unsigned short
+_BE_short(val)
+ unsigned short val;
+{
+ unsigned char *p = (unsigned char *)&val;
+ return ((p[0] << 8) | (p[1] << 0));
+}
+#else
+#define _BE_long(x) (x)
+#define _BE_short(x) (x)
+#endif
+
+/*
+ * Align to a 16 byte boundary
+ */
+unsigned long
+align(p)
+ unsigned long p;
+{
+ return ((p + 0x0f) & 0xfffffff0);
+}
+
+int
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+ int i;
+ int len, elf_image_len = 0;
+ int offset;
+ int elf_fd, pef_fd, kern_fd;
+ unsigned char *elf_image = NULL, *kern_image = NULL;
+ unsigned long textOffset, dataOffset, ldrOffset;
+ unsigned long entry_vector[3];
+ struct stat kern_stat;
+ struct FileHeader fileHdr;
+ struct SectionHeader textHdr, dataHdr, ldrHdr;
+ struct LoaderHeader lh;
+ Elf32_Ehdr hdr;
+ Elf32_Phdr phdr;
+
+ switch (argc) {
+ case 4:
+ if ((kern_fd = open(argv[3], 0)) < 0) {
+ fprintf(stderr, "Can't open kernel '%s': %s\n",
+ argv[3], strerror(errno));
+ exit(2);
+ }
+ fstat(kern_fd, &kern_stat);
+ kern_len = kern_stat.st_size + MAGICSIZE + KERNLENSIZE;
+ /* FALL THROUGH */
+ case 3:
+ if ((elf_fd = open(argv[1], 0)) < 0) {
+ fprintf(stderr, "Can't open input '%s': %s\n",
+ argv[1], strerror(errno));
+ exit(2);
+ }
+ if ((pef_fd = creat(argv[2], 0644)) < 0) {
+ fprintf(stderr, "Can't open output '%s': %s\n",
+ argv[2], strerror(errno));
+ exit(2);
+ }
+ break;
+
+ default:
+ fprintf(stderr, "usage: %s <ELF> <PEF> [<kernel.gz>]\n",
+ argv[0]);
+ exit(1);
+ }
+
+ /*
+ * ELF file operation
+ */
+ if (read(elf_fd, &hdr, ELF32_HDR_SIZE) != ELF32_HDR_SIZE) {
+ fprintf(stderr, "Can't read input '%s' : %s\n",
+ argv[1], strerror(errno));
+ exit(3);
+ }
+ if (bcmp(hdr.e_ident, Elf32_e_ident, Elf32_e_siz)) {
+ fprintf(stderr, "input '%s' is not ELF32 format\n", argv[1]);
+ exit(3);
+ }
+ if (_BE_short(hdr.e_machine) != Elf_em_ppc) {
+ fprintf(stderr, "input '%s' is not PowerPC exec binary\n",
+ argv[1]);
+ exit(3);
+ }
+#ifdef DEBUG
+ printf("e_entry= 0x%x\n", _BE_long(hdr.e_entry));
+ printf("e_phoff= 0x%x\n", _BE_long(hdr.e_phoff));
+ printf("e_shoff= 0x%x\n", _BE_long(hdr.e_shoff));
+ printf("e_flags= 0x%x\n", _BE_short(hdr.e_flags));
+ printf("e_ehsize= 0x%x\n", _BE_short(hdr.e_ehsize));
+ printf("e_phentsize= 0x%x\n", _BE_short(hdr.e_phentsize));
+ printf("e_phnum= 0x%x\n", _BE_short(hdr.e_phnum));
+ printf("e_shentsize= 0x%x\n", _BE_short(hdr.e_shentsize));
+ printf("e_shnum= 0x%x\n", _BE_short(hdr.e_shnum));
+ printf("e_shstrndx= 0x%x\n", _BE_short(hdr.e_shstrndx));
+#endif
+
+ for (i = 0; i < _BE_short(hdr.e_phnum); i++) {
+ lseek(elf_fd, _BE_long(hdr.e_phoff) + sizeof (phdr) * i,
+ SEEK_SET);
+ if (read(elf_fd, &phdr, sizeof (phdr)) != sizeof (phdr)) {
+ fprintf(stderr, "Can't read input '%s' phdr : %s\n",
+ argv[1], strerror(errno));
+ exit(3);
+ }
+
+ /* Read in text segment. */
+ offset = elf_image_len;
+ len = _BE_long(phdr.p_filesz);
+ elf_image_len += len;
+#ifdef DEBUG
+ printf("read text segment %d bytes\n", len);
+#endif
+ elf_image = (unsigned char *)realloc(elf_image, elf_image_len);
+ if (elf_image == NULL) {
+ fprintf(stderr, "Can't realloc: %s\n", strerror(errno));
+ exit(3);
+ }
+ lseek(elf_fd, _BE_long(phdr.p_offset), SEEK_SET);
+ if (read(elf_fd, (void *)(elf_image + offset), len) != len) {
+ fprintf(stderr, "Can't read input '%s' text : %s\n",
+ argv[1], strerror(errno));
+ exit(3);
+ }
+ }
+
+ ldrOffset = align(sizeof(fileHdr) + sizeof(textHdr) +
+ sizeof(dataHdr) + sizeof(ldrHdr));
+ dataOffset = align(ldrOffset + sizeof(lh));
+ textOffset = align(dataOffset + sizeof(entry_vector) + kern_len);
+
+ /*
+ * Create the File Header
+ */
+ bzero(&fileHdr, sizeof(fileHdr));
+ fileHdr.magic = _BE_long(PEF_MAGIC);
+ fileHdr.fileTypeID = _BE_long(PEF_FILE);
+ fileHdr.archID = _BE_long(PEF_PPC);
+ fileHdr.versionNumber = _BE_long(1);
+ fileHdr.numSections = _BE_short(3);
+ fileHdr.loadableSections = _BE_short(2);
+ write(pef_fd, &fileHdr, sizeof(fileHdr));
+
+ /*
+ * Create the Section Header for TEXT
+ */
+ bzero(&textHdr, sizeof(textHdr));
+ textHdr.sectionName = _BE_long(-1);
+ textHdr.sectionAddress = _BE_long(0);
+ textHdr.execSize = _BE_long(elf_image_len);
+ textHdr.initSize = _BE_long(elf_image_len);
+ textHdr.rawSize = _BE_long(elf_image_len);
+ textHdr.fileOffset = _BE_long(textOffset);
+ textHdr.regionKind = CodeSection;
+ textHdr.shareKind = ContextShare;
+ textHdr.alignment = 4; /* 16 byte alignment */
+ write(pef_fd, &textHdr, sizeof(textHdr));
+
+ /*
+ * Create the Section Header for DATA
+ */
+ bzero(&dataHdr, sizeof(dataHdr));
+ dataHdr.sectionName = _BE_long(-1);
+ dataHdr.sectionAddress = _BE_long(0);
+ dataHdr.execSize = _BE_long(sizeof(entry_vector) + kern_len);
+ dataHdr.initSize = _BE_long(sizeof(entry_vector) + kern_len);
+ dataHdr.rawSize = _BE_long(sizeof(entry_vector) + kern_len);
+ dataHdr.fileOffset = _BE_long(dataOffset);
+ dataHdr.regionKind = DataSection;
+ dataHdr.shareKind = ContextShare;
+ dataHdr.alignment = 4; /* 16 byte alignment */
+ write(pef_fd, &dataHdr, sizeof(dataHdr));
+
+ /*
+ * Create the Section Header for loader stuff
+ */
+ bzero(&ldrHdr, sizeof(ldrHdr));
+ ldrHdr.sectionName = _BE_long(-1);
+ ldrHdr.sectionAddress = _BE_long(0);
+ ldrHdr.execSize = _BE_long(sizeof(lh));
+ ldrHdr.initSize = _BE_long(sizeof(lh));
+ ldrHdr.rawSize = _BE_long(sizeof(lh));
+ ldrHdr.fileOffset = _BE_long(ldrOffset);
+ ldrHdr.regionKind = LoaderSection;
+ ldrHdr.shareKind = GlobalShare;
+ ldrHdr.alignment = 4; /* 16 byte alignment */
+ write(pef_fd, &ldrHdr, sizeof(ldrHdr));
+
+ /*
+ * Create the Loader Header
+ */
+ bzero(&lh, sizeof(lh));
+ lh.entryPointSection = _BE_long(1); /* Data */
+ lh.entryPointOffset = _BE_long(0);
+ lh.initPointSection = _BE_long(-1);
+ lh.initPointOffset = _BE_long(0);
+ lh.termPointSection = _BE_long(-1);
+ lh.termPointOffset = _BE_long(0);
+ lseek(pef_fd, ldrOffset, 0);
+ write(pef_fd, &lh, sizeof(lh));
+
+ /*
+ * Copy the pseudo-DATA
+ */
+ bzero(entry_vector, sizeof(entry_vector));
+ entry_vector[0] = _BE_long(ENTRY); /* Magic */
+ lseek(pef_fd, dataOffset, 0);
+ write(pef_fd, entry_vector, sizeof(entry_vector));
+
+ if (kern_len) {
+ int tmp;
+ kern_image = (unsigned char *)malloc(kern_stat.st_size);
+ if (kern_image == NULL) {
+ fprintf(stderr, "Can't malloc: %s\n", strerror(errno));
+ exit(3);
+ }
+ if (read(kern_fd, (void *)kern_image, kern_stat.st_size) !=
+ kern_stat.st_size) {
+ fprintf(stderr, "Can't read kernel '%s' : %s\n",
+ argv[3], strerror(errno));
+ exit(3);
+ }
+ write(pef_fd, (void *)magic, MAGICSIZE);
+ tmp = _BE_long(kern_stat.st_size);
+ write(pef_fd, (void *)&tmp, KERNLENSIZE);
+ write(pef_fd, (void *)kern_image, kern_stat.st_size);
+
+ free(kern_image);
+ close(kern_fd);
+ }
+
+ /*
+ * Copy the TEXT data
+ */
+ lseek(pef_fd, textOffset, 0);
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