diff options
Diffstat (limited to 'sys/arch/alpha/stand/loadfile.c')
| -rw-r--r-- | sys/arch/alpha/stand/loadfile.c | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/sys/arch/alpha/stand/loadfile.c b/sys/arch/alpha/stand/loadfile.c deleted file mode 100644 index fe1e25c6953..00000000000 --- a/sys/arch/alpha/stand/loadfile.c +++ /dev/null @@ -1,230 +0,0 @@ -/* $OpenBSD: loadfile.c,v 1.17 2005/08/10 16:58:42 todd Exp $ */ -/* $NetBSD: loadfile.c,v 1.3 1997/04/06 08:40:59 cgd Exp $ */ - -/* - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Ralph Campbell. - * - * 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. Neither the name of the University 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 REGENTS 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 REGENTS 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. - * - * @(#)boot.c 8.1 (Berkeley) 6/10/93 - */ - -#define ELFSIZE 64 - -#include <lib/libkern/libkern.h> -#include <lib/libsa/stand.h> - -#include <sys/param.h> -#include <sys/exec.h> -#include <sys/exec_ecoff.h> -#include <sys/exec_elf.h> - -#include <machine/rpb.h> -#include <machine/prom.h> - -#include <ddb/db_aout.h> - -#define _KERNEL -#include "include/pte.h" - -#ifdef ALPHA_BOOT_ELF -static int elf_exec(int, Elf64_Ehdr *, u_int64_t *); -#endif -int loadfile(char *, u_int64_t *); - -paddr_t ffp_save, ptbr_save; -vaddr_t ssym, esym; - -#define WARN(...) - -/* - * Open 'filename', read in program and return the entry point or -1 if error. - */ -int -loadfile(fname, entryp) - char *fname; - u_int64_t *entryp; -{ - struct devices *dp; - union { -#ifdef ALPHA_BOOT_ELF - Elf64_Ehdr elf; -#endif - } hdr; - int fd, rval; - - (void)printf("Loading %s...\n", fname); - - /* Open the file. */ - rval = 1; - if ((fd = open(fname, 0)) < 0) { - WARN(("open %s: errno %d\n", fname, errno)); - goto err; - } - - /* Read the exec header. */ - if (read(fd, &hdr, sizeof(hdr)) != sizeof(hdr)) { - WARN(("read header: %s\n", strerror(errno))); - goto err; - } - -#ifdef ALPHA_BOOT_ELF - if (memcmp(ELFMAG, hdr.elf.e_ident, SELFMAG) == 0) { - rval = elf_exec(fd, &hdr.elf, entryp); - } else -#endif - { - (void)printf("%s: unknown executable format\n", fname); - } - -err: - if (fd >= 0) - (void)close(fd); - return (rval); -} - -#ifdef ALPHA_BOOT_ELF -static int -elf_exec(fd, elf, entryp) - int fd; - Elf64_Ehdr *elf; - u_int64_t *entryp; -{ - int i; - int first = 1, havesyms; - Elf64_Shdr *shp; - Elf64_Off off; - size_t sz; - - for (i = 0; i < elf->e_phnum; i++) { - Elf64_Phdr phdr; - (void)lseek(fd, elf->e_phoff + sizeof(phdr) * i, SEEK_SET); - if (read(fd, (void *)&phdr, sizeof(phdr)) != sizeof(phdr)) { - WARN(("read phdr: %s\n", strerror(errno))); - return (1); - } - if (phdr.p_type != PT_LOAD || - (phdr.p_flags & (PF_W|PF_X)) == 0) - continue; - - /* Read in segment. */ - (void)printf("%s%lu", first ? "" : "+", phdr.p_filesz); - (void)lseek(fd, phdr.p_offset, SEEK_SET); - if (read(fd, (void *)phdr.p_vaddr, phdr.p_filesz) != - phdr.p_filesz) { - WARN(("read text: %s\n", strerror(errno))); - return (1); - } - if (first || ffp_save < phdr.p_vaddr + phdr.p_memsz) - ffp_save = phdr.p_vaddr + phdr.p_memsz; - - /* Zero out bss. */ - if (phdr.p_filesz < phdr.p_memsz) { - (void)printf("+%lu", phdr.p_memsz - phdr.p_filesz); - bzero((caddr_t)phdr.p_vaddr + phdr.p_filesz, - phdr.p_memsz - phdr.p_filesz); - } - first = 0; - } - - ffp_save = roundup(ffp_save, sizeof(long)); - - /* - * Retrieve symbols. - */ - ssym = ffp_save; - ffp_save += sizeof(Elf64_Ehdr); - - if (lseek(fd, elf->e_shoff, SEEK_SET) == -1) { - WARN(("seek to section headers: %s\n", strerror(errno))); - return (1); - } - - sz = elf->e_shnum * sizeof(Elf64_Shdr); - shp = (Elf64_Shdr *)ffp_save; - ffp_save += roundup(sz, sizeof(long)); - - if (read(fd, shp, sz) != sz) { - WARN(("read section headers: %d\n", strerror(errno))); - return (1); - } - - /* - * Now load the symbol sections themselves. Make sure the - * sections are aligned. Don't bother with string tables if - * there are no symbol sections. - */ - off = roundup((sizeof(Elf64_Ehdr) + sz), sizeof(long)); - - for (havesyms = i = 0; i < elf->e_shnum; i++) - if (shp[i].sh_type == SHT_SYMTAB) - havesyms = 1; - - if (!havesyms) - goto no_syms; - - for (first = 1, i = 0; i < elf->e_shnum; i++) { - if (shp[i].sh_type == SHT_SYMTAB || - shp[i].sh_type == SHT_STRTAB) { - printf("%s%ld", first ? " [" : "+", - (u_long)shp[i].sh_size); - if (lseek(fd, shp[i].sh_offset, SEEK_SET) == -1) { - WARN(("lseek symbols: %s\n", strerror(errno))); - return (1); - } - if (read(fd, (void *)ffp_save, shp[i].sh_size) != - shp[i].sh_size) { - WARN(("read symbols: %s\n", strerror(errno))); - return (1); - } - ffp_save += roundup(shp[i].sh_size, sizeof(long)); - shp[i].sh_offset = off; - off += roundup(shp[i].sh_size, sizeof(long)); - first = 0; - } - } - if (havesyms && first == 0) - printf("]"); - - elf->e_phoff = 0; - elf->e_shoff = sizeof(Elf64_Ehdr); - elf->e_phentsize = 0; - elf->e_phnum = 0; - bcopy(elf, (void *)ssym, sizeof(*elf)); - -no_syms: - esym = ffp_save; - ffp_save = ALPHA_K0SEG_TO_PHYS((ffp_save + PGOFSET & ~PGOFSET)) >> PGSHIFT; - ffp_save += 2; /* XXX OSF/1 does this, no idea why. */ - - (void)printf("\n"); - *entryp = elf->e_entry; - return (0); -} -#endif /* ALPHA_BOOT_ELF */ |