/* $NetBSD: kobj_machdep.c,v 1.3 2008/04/28 20:23:35 martin Exp $ */ /*- * Copyright (c) 2008 The NetBSD Foundation, Inc. * All rights reserved. * * 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. * * 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/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: kobj_machdep.c,v 1.3 2008/04/28 20:23:35 martin Exp $"); #define ELFSIZE ARCH_ELFSIZE #include <sys/param.h> #include <sys/systm.h> #include <sys/kobj.h> #include <sys/exec.h> #include <sys/exec_elf.h> #include <sh3/cache.h> int kobj_reloc(kobj_t ko, uintptr_t relocbase, const void *data, bool isrela, bool local) { const Elf_Rela *rela; Elf_Addr *where; uintptr_t addr, tmp; int symidx, rtype; if (!isrela) { printf("kobj_reloc: support only RELA relocations\n"); return -1; } rela = data; where = (Elf_Addr *)(relocbase + rela->r_offset); symidx = ELF_R_SYM(rela->r_info); rtype = ELF_R_TYPE(rela->r_info); switch (rtype) { case R_TYPE(NONE): break; case R_TYPE(REL32): addr = kobj_sym_lookup(ko, symidx); if (addr == 0) return -1; tmp = (Elf_Addr)(relocbase + addr + rela->r_addend) - (Elf_Addr)where; if (*where != tmp) *where = tmp; break; case R_TYPE(DIR32): addr = kobj_sym_lookup(ko, symidx); if (addr == 0) return -1; tmp = (Elf_Addr)(addr + *where + rela->r_addend); *where = tmp; break; case R_TYPE(GLOB_DAT): addr = kobj_sym_lookup(ko, symidx); if (addr == 0) return -1; tmp = (Elf_Addr)(relocbase + addr + rela->r_addend); if (*where != tmp) *where = tmp; break; case R_TYPE(RELATIVE): if (rela->r_addend) *where = (Elf_Addr)(relocbase + rela->r_addend); else *where += (Elf_Addr)relocbase; break; default: printf("kobj_reloc: unexpected reloc type %d\n", (int)rtype); return -1; } return 0; } int kobj_machdep(kobj_t ko, void *base, size_t size, bool load) { if (load) sh_icache_sync_range((vaddr_t)base, size); return 0; }