diff options
Diffstat (limited to 'sys/boot/i386/efi/reloc.c')
-rw-r--r-- | sys/boot/i386/efi/reloc.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/sys/boot/i386/efi/reloc.c b/sys/boot/i386/efi/reloc.c deleted file mode 100644 index 22c6642..0000000 --- a/sys/boot/i386/efi/reloc.c +++ /dev/null @@ -1,107 +0,0 @@ -/*- - * Copyright (c) 2008-2010 Rui Paulo <rpaulo@FreeBSD.org> - * 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 AUTHOR 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 AUTHOR 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> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <elf.h> -#include <efi.h> -#include <bootstrap.h> - -#ifdef __i386__ -#define ElfW_Rel Elf32_Rel -#define ElfW_Dyn Elf32_Dyn -#define ELFW_R_TYPE ELF32_R_TYPE -#elif __amd64__ -#define ElfW_Rel Elf64_Rel -#define ElfW_Dyn Elf64_Dyn -#define ELFW_R_TYPE ELF64_R_TYPE -#endif - -/* - * A simple relocator for IA32/AMD64 EFI binaries. - */ -EFI_STATUS -_reloc(unsigned long ImageBase, ElfW_Dyn *dynamic, EFI_HANDLE image_handle, - EFI_SYSTEM_TABLE *system_table) -{ - unsigned long relsz, relent; - unsigned long *newaddr; - ElfW_Rel *rel; - ElfW_Dyn *dynp; - - /* - * Find the relocation address, its size and the relocation entry. - */ - relsz = 0; - relent = 0; - for (dynp = dynamic; dynp->d_tag != DT_NULL; dynp++) { - switch (dynp->d_tag) { - case DT_RELA: - case DT_REL: - rel = (ElfW_Rel *) ((unsigned long) dynp->d_un.d_ptr + - ImageBase); - break; - case DT_RELSZ: - case DT_RELASZ: - relsz = dynp->d_un.d_val; - break; - case DT_RELENT: - case DT_RELAENT: - relent = dynp->d_un.d_val; - break; - default: - break; - } - } - - /* - * Perform the actual relocation. - * XXX: We are reusing code for the amd64 version of this, but - * we must make sure the relocation types are the same. - */ - CTASSERT(R_386_NONE == R_X86_64_NONE); - CTASSERT(R_386_RELATIVE == R_X86_64_RELATIVE); - for (; relsz > 0; relsz -= relent) { - switch (ELFW_R_TYPE(rel->r_info)) { - case R_386_NONE: - /* No relocation needs be performed. */ - break; - case R_386_RELATIVE: - /* Address relative to the base address. */ - newaddr = (unsigned long *)(ImageBase + rel->r_offset); - *newaddr += ImageBase; - break; - default: - /* XXX: do we need other relocations ? */ - break; - } - rel = (ElfW_Rel *) ((caddr_t) rel + relent); - } - - return (EFI_SUCCESS); -} |