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Makefile
(221 B)
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Makefile.depend
(273 B)
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ef.c
(16.03 KB)
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ef.h
(2.62 KB)
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ef_aarch64.c
(2.4 KB)
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ef_amd64.c
(3.42 KB)
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ef_i386.c
(2.98 KB)
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ef_mips.c
(3.09 KB)
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ef_nop.c
(1.6 KB)
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ef_obj.c
(15.63 KB)
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ef_powerpc.c
(2.56 KB)
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ef_riscv.c
(2.52 KB)
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fileformat
(955 B)
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kldxref.8
(2.92 KB)
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kldxref.c
(20.68 KB)
Editing: ef_aarch64.c
/*- * Copyright (c) 2005 Peter Grehan. * Copyright 1996-1998 John D. Polstra. * 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 <errno.h> #include <string.h> #include "ef.h" /* * Apply relocations to the values obtained from the file. `relbase' is the * target relocation address of the section, and `dataoff/len' is the region * that is to be relocated, and has been copied to *dest */ int ef_reloc(struct elf_file *ef, const void *reldata, int reltype, Elf_Off relbase, Elf_Off dataoff, size_t len, void *dest) { Elf_Addr *where, addend; Elf_Size rtype; const Elf_Rela *rela; if (reltype != EF_RELOC_RELA) return (EINVAL); rela = (const Elf_Rela *)reldata; where = (Elf_Addr *) ((Elf_Off)dest - dataoff + rela->r_offset); addend = rela->r_addend; rtype = ELF_R_TYPE(rela->r_info); if ((char *)where < (char *)dest || (char *)where >= (char *)dest + len) return (0); switch(rtype) { case R_AARCH64_RELATIVE: *where = relbase + addend; break; case R_AARCH64_ABS64: break; default: warnx("unhandled relocation type %lu", rtype); break; } return (0); }
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