1 /* $NetBSD: kobj_machdep.c,v 1.4 2008/11/21 23:18:11 uwe Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: kobj_machdep.c,v 1.4 2008/11/21 23:18:11 uwe Exp $"); 31 32 #define ELFSIZE ARCH_ELFSIZE 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/kobj.h> 37 #include <sys/exec.h> 38 #include <sys/exec_elf.h> 39 40 #include <sh3/cache.h> 41 42 int 43 kobj_reloc(kobj_t ko, uintptr_t relocbase, const void *data, 44 bool isrela, bool local) 45 { 46 const Elf_Rela *rela; 47 Elf_Addr *where; 48 uintptr_t addr, tmp; 49 int symidx, rtype; 50 51 if (!isrela) { 52 printf("kobj_reloc: support only RELA relocations\n"); 53 return -1; 54 } 55 56 rela = data; 57 where = (Elf_Addr *)(relocbase + rela->r_offset); 58 symidx = ELF_R_SYM(rela->r_info); 59 rtype = ELF_R_TYPE(rela->r_info); 60 61 switch (rtype) { 62 case R_TYPE(NONE): 63 break; 64 65 case R_TYPE(DIR32): 66 addr = kobj_sym_lookup(ko, symidx); 67 if (addr == 0) 68 return -1; 69 70 tmp = (Elf_Addr)(addr + *where + rela->r_addend); 71 *where = tmp; 72 break; 73 74 default: 75 printf("kobj_reloc: unexpected reloc type %d\n", (int)rtype); 76 return -1; 77 } 78 79 return 0; 80 } 81 82 int 83 kobj_machdep(kobj_t ko, void *base, size_t size, bool load) 84 { 85 86 if (load) 87 sh_icache_sync_range((vaddr_t)base, size); 88 89 return 0; 90 } 91