Differential D2199 Diff 4721 sys/arm64/arm64/elf_machdep.c

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sys/arm64/arm64/elf_machdep.c

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				/*-
				* Copyright (c) 2001 Jake Burkholder.
				* Copyright (c) 2000 Eduardo Horvath.
				* Copyright (c) 1999 The NetBSD Foundation, Inc.
				* All rights reserved.
				emasteUnsubmitted Not Done Inline Actions new stub impl emaste: new stub impl
				andrewAuthorUnsubmitted Not Done Inline Actions This is from sys/sparc64/sparc64/elf_machdep.c, with the relocation code removed. andrew: This is from sys/sparc64/sparc64/elf_machdep.c, with the relocation code removed.
				*
				* This code is derived from software contributed to The NetBSD Foundation
				* by Paul Kranenburg.
				*
				* 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.
				*
				* from: NetBSD: mdreloc.c,v 1.42 2008/04/28 20:23:04 martin Exp
				*/

				#include <sys/cdefs.h>
				__FBSDID("$FreeBSD$");

				#include <sys/param.h>
				#include <sys/kernel.h>
				#include <sys/systm.h>
				#include <sys/exec.h>
				#include <sys/imgact.h>
				#include <sys/linker.h>
				#include <sys/proc.h>
				#include <sys/sysent.h>
				#include <sys/imgact_elf.h>
				#include <sys/syscall.h>
				#include <sys/signalvar.h>
				#include <sys/vnode.h>

				#include <vm/vm.h>
				#include <vm/vm_param.h>

				#include <machine/elf.h>
				#include <machine/md_var.h>

				#include "linker_if.h"

				static struct sysentvec elf64_freebsd_sysvec = {
				.sv_size = SYS_MAXSYSCALL,
				.sv_table = sysent,
				.sv_mask = 0,
				.sv_sigsize = 0,
				.sv_sigtbl = NULL,
				.sv_errsize = 0,
				.sv_errtbl = NULL,
				.sv_transtrap = NULL,
				.sv_fixup = __elfN(freebsd_fixup),
				.sv_sendsig = sendsig,
				.sv_sigcode = sigcode,
				.sv_szsigcode = &szsigcode,
				.sv_prepsyscall = NULL,
				.sv_name = "FreeBSD ELF64",
				.sv_coredump = __elfN(coredump),
				.sv_imgact_try = NULL,
				.sv_minsigstksz = MINSIGSTKSZ,
				.sv_pagesize = PAGE_SIZE,
				.sv_minuser = VM_MIN_ADDRESS,
				.sv_maxuser = VM_MAXUSER_ADDRESS,
				.sv_usrstack = USRSTACK,
				.sv_psstrings = PS_STRINGS,
				.sv_stackprot = VM_PROT_READ \| VM_PROT_WRITE,
				.sv_copyout_strings = exec_copyout_strings,
				.sv_setregs = exec_setregs,
				.sv_fixlimit = NULL,
				.sv_maxssiz = NULL,
				.sv_flags = SV_ABI_FREEBSD \| SV_LP64,
				.sv_set_syscall_retval = cpu_set_syscall_retval,
				.sv_fetch_syscall_args = cpu_fetch_syscall_args,
				.sv_syscallnames = syscallnames,
				.sv_schedtail = NULL,
				};

				static Elf64_Brandinfo freebsd_brand_info = {
				.brand = ELFOSABI_FREEBSD,
				.machine = EM_AARCH64,
				.compat_3_brand = "FreeBSD",
				.emul_path = NULL,
				.interp_path = "/libexec/ld-elf.so.1",
				.sysvec = &elf64_freebsd_sysvec,
				.interp_newpath = NULL,
				.brand_note = &elf64_freebsd_brandnote,
				.flags = BI_CAN_EXEC_DYN \| BI_BRAND_NOTE
				};

				SYSINIT(elf64, SI_SUB_EXEC, SI_ORDER_FIRST,
				(sysinit_cfunc_t)elf64_insert_brand_entry, &freebsd_brand_info);

				static Elf64_Brandinfo freebsd_brand_oinfo = {
				.brand = ELFOSABI_FREEBSD,
				.machine = EM_AARCH64,
				.compat_3_brand = "FreeBSD",
				.emul_path = NULL,
				.interp_path = "/usr/libexec/ld-elf.so.1",
				.sysvec = &elf64_freebsd_sysvec,
				.interp_newpath = NULL,
				.brand_note = &elf64_freebsd_brandnote,
				.flags = BI_CAN_EXEC_DYN \| BI_BRAND_NOTE
				};

				SYSINIT(oelf64, SI_SUB_EXEC, SI_ORDER_ANY,
				(sysinit_cfunc_t)elf64_insert_brand_entry, &freebsd_brand_oinfo);

				void
				elf64_dump_thread(struct thread td __unused, void dst __unused,
				size_t *off __unused)
				{

				}

				int
				elf_reloc_local(linker_file_t lf, Elf_Addr relocbase, const void *data,
				int type, elf_lookup_fn lookup __unused)
				{

				panic("elf_reloc_local");
				}

				/* Process one elf relocation with addend. */
				int
				elf_reloc(linker_file_t lf, Elf_Addr relocbase, const void *data, int type,
				elf_lookup_fn lookup)
				{

				panic("elf_reloc");
				}

				int
				elf_cpu_load_file(linker_file_t lf __unused)
				{

				return (0);
				}

				int
				elf_cpu_unload_file(linker_file_t lf __unused)
				{

				return (0);
				}