diff options
Diffstat (limited to 'usr.sbin/kldxref/ef_sparc64.c')
-rw-r--r-- | usr.sbin/kldxref/ef_sparc64.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/usr.sbin/kldxref/ef_sparc64.c b/usr.sbin/kldxref/ef_sparc64.c new file mode 100644 index 0000000..7ba2a43 --- /dev/null +++ b/usr.sbin/kldxref/ef_sparc64.c @@ -0,0 +1,69 @@ +/*- + * Copyright (c) 2003 Jake Burkholder. + * 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. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <machine/elf.h> + +#include <err.h> +#include <string.h> + +#include "ef.h" + +/* + * Apply relocations to the values we got from the file. `relbase' is the + * target relocation address of the section, and `dataoff' is the target + * relocation address of the data in `dest'. + */ +int +ef_reloc(struct elf_file *ef, const void *reldata, int reltype, Elf_Off relbase, + Elf_Off dataoff, size_t len, void *dest) +{ + const Elf_Rela *a; + Elf_Size w; + + switch (reltype) { + case EF_RELOC_RELA: + a = reldata; + if (relbase + a->r_offset >= dataoff && relbase + a->r_offset < + dataoff + len) { + switch (ELF_R_TYPE(a->r_info)) { + case R_SPARC_RELATIVE: + w = a->r_addend + relbase; + memcpy((u_char *)dest + (relbase + a->r_offset - + dataoff), &w, sizeof(w)); + break; + default: + warnx("unhandled relocation type %u", + (unsigned int)ELF_R_TYPE(a->r_info)); + break; + } + } + break; + } + return (0); +} |