Export default MINSIGSTKSZ value for the x86 until we do not preserve AVX registers in the signal context. Differential Revision: https://reviews.freebsd.org/D39644 MFC after: 1 month
607 lines
17 KiB
C
607 lines
17 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 1994-1996 Søren Schmidt
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* Copyright (c) 2018 Turing Robotic Industries Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#define __ELF_WORD_SIZE 64
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#include <sys/param.h>
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#include <sys/elf.h>
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#include <sys/exec.h>
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#include <sys/imgact.h>
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#include <sys/imgact_elf.h>
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#include <sys/kernel.h>
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#include <sys/ktr.h>
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#include <sys/lock.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/proc.h>
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#include <sys/stddef.h>
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#include <sys/syscallsubr.h>
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#include <sys/sysctl.h>
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#include <sys/sysent.h>
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#include <vm/pmap.h>
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#include <vm/vm.h>
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#include <vm/vm_map.h>
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#include <vm/vm_page.h>
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#include <arm64/linux/linux.h>
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#include <arm64/linux/linux_proto.h>
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#include <compat/linux/linux_dtrace.h>
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#include <compat/linux/linux_elf.h>
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#include <compat/linux/linux_emul.h>
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#include <compat/linux/linux_fork.h>
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#include <compat/linux/linux_ioctl.h>
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#include <compat/linux/linux_mib.h>
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#include <compat/linux/linux_misc.h>
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#include <compat/linux/linux_signal.h>
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#include <compat/linux/linux_util.h>
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#include <compat/linux/linux_vdso.h>
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#include <arm64/linux/linux_sigframe.h>
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#include <machine/md_var.h>
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#include <machine/pcb.h>
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#ifdef VFP
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#include <machine/vfp.h>
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#endif
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MODULE_VERSION(linux64elf, 1);
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#define LINUX_VDSOPAGE_SIZE PAGE_SIZE * 2
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#define LINUX_VDSOPAGE (VM_MAXUSER_ADDRESS - \
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LINUX_VDSOPAGE_SIZE)
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#define LINUX_SHAREDPAGE (LINUX_VDSOPAGE - PAGE_SIZE)
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/*
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* PAGE_SIZE - the size
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* of the native SHAREDPAGE
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*/
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#define LINUX_USRSTACK LINUX_SHAREDPAGE
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#define LINUX_PS_STRINGS (LINUX_USRSTACK - \
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sizeof(struct ps_strings))
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static int linux_szsigcode;
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static vm_object_t linux_vdso_obj;
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static char *linux_vdso_mapping;
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extern char _binary_linux_vdso_so_o_start;
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extern char _binary_linux_vdso_so_o_end;
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static vm_offset_t linux_vdso_base;
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extern struct sysent linux_sysent[LINUX_SYS_MAXSYSCALL];
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extern const char *linux_syscallnames[];
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SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler);
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static void linux_vdso_install(const void *param);
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static void linux_vdso_deinstall(const void *param);
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static void linux_vdso_reloc(char *mapping, Elf_Addr offset);
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static void linux_set_syscall_retval(struct thread *td, int error);
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static int linux_fetch_syscall_args(struct thread *td);
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static void linux_exec_setregs(struct thread *td, struct image_params *imgp,
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uintptr_t stack);
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static void linux_exec_sysvec_init(void *param);
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static int linux_on_exec_vmspace(struct proc *p,
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struct image_params *imgp);
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/* DTrace init */
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LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
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/* DTrace probes */
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LIN_SDT_PROBE_DEFINE0(sysvec, linux_exec_setregs, todo);
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LINUX_VDSO_SYM_CHAR(linux_platform);
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LINUX_VDSO_SYM_INTPTR(kern_timekeep_base);
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LINUX_VDSO_SYM_INTPTR(linux_vdso_sigcode);
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static int
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linux_fetch_syscall_args(struct thread *td)
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{
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struct proc *p;
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struct syscall_args *sa;
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register_t *ap;
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p = td->td_proc;
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ap = td->td_frame->tf_x;
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sa = &td->td_sa;
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sa->code = td->td_frame->tf_x[8];
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sa->original_code = sa->code;
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/* LINUXTODO: generic syscall? */
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if (sa->code >= p->p_sysent->sv_size)
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sa->callp = &p->p_sysent->sv_table[0];
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else
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sa->callp = &p->p_sysent->sv_table[sa->code];
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if (sa->callp->sy_narg > nitems(sa->args))
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panic("ARM64TODO: Could we have more than %zu args?",
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nitems(sa->args));
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memcpy(sa->args, ap, nitems(sa->args) * sizeof(register_t));
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td->td_retval[0] = 0;
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return (0);
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}
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static void
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linux_set_syscall_retval(struct thread *td, int error)
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{
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td->td_retval[1] = td->td_frame->tf_x[1];
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cpu_set_syscall_retval(td, error);
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if (__predict_false(error != 0)) {
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if (error != ERESTART && error != EJUSTRETURN)
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td->td_frame->tf_x[0] = bsd_to_linux_errno(error);
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}
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}
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void
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linux64_arch_copyout_auxargs(struct image_params *imgp, Elf_Auxinfo **pos)
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{
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AUXARGS_ENTRY((*pos), LINUX_AT_SYSINFO_EHDR, linux_vdso_base);
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AUXARGS_ENTRY((*pos), LINUX_AT_HWCAP, *imgp->sysent->sv_hwcap);
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AUXARGS_ENTRY((*pos), LINUX_AT_HWCAP2, *imgp->sysent->sv_hwcap2);
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AUXARGS_ENTRY((*pos), LINUX_AT_PLATFORM, PTROUT(linux_platform));
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}
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/*
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* Reset registers to default values on exec.
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*/
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static void
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linux_exec_setregs(struct thread *td, struct image_params *imgp,
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uintptr_t stack)
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{
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struct trapframe *regs = td->td_frame;
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struct pcb *pcb = td->td_pcb;
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/* LINUXTODO: validate */
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LIN_SDT_PROBE0(sysvec, linux_exec_setregs, todo);
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memset(regs, 0, sizeof(*regs));
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/* glibc start.S registers function pointer in x0 with atexit. */
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regs->tf_sp = stack;
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#if 0 /* LINUXTODO: See if this is used. */
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regs->tf_lr = imgp->entry_addr;
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#else
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regs->tf_lr = 0xffffffffffffffff;
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#endif
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regs->tf_elr = imgp->entry_addr;
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pcb->pcb_tpidr_el0 = 0;
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pcb->pcb_tpidrro_el0 = 0;
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WRITE_SPECIALREG(tpidrro_el0, 0);
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WRITE_SPECIALREG(tpidr_el0, 0);
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#ifdef VFP
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vfp_reset_state(td, pcb);
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#endif
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/*
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* Clear debug register state. It is not applicable to the new process.
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*/
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bzero(&pcb->pcb_dbg_regs, sizeof(pcb->pcb_dbg_regs));
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}
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int
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linux_rt_sigreturn(struct thread *td, struct linux_rt_sigreturn_args *args)
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{
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struct l_sigframe *frame;
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ucontext_t uc;
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struct trapframe *tf;
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int error;
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tf = td->td_frame;
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frame = (struct l_sigframe *)tf->tf_sp;
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if (copyin((void *)&frame->uc, &uc, sizeof(uc)))
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return (EFAULT);
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error = set_mcontext(td, &uc.uc_mcontext);
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if (error != 0)
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return (error);
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/* Restore signal mask. */
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kern_sigprocmask(td, SIG_SETMASK, &uc.uc_sigmask, NULL, 0);
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return (EJUSTRETURN);
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}
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static void
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linux_rt_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
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{
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struct thread *td;
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struct proc *p;
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struct trapframe *tf;
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struct l_sigframe *fp, *frame;
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struct l_fpsimd_context *fpsimd;
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struct l_esr_context *esr;
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l_stack_t uc_stack;
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ucontext_t uc;
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uint8_t *scr;
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struct sigacts *psp;
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int onstack, sig, issiginfo;
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td = curthread;
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p = td->td_proc;
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PROC_LOCK_ASSERT(p, MA_OWNED);
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sig = ksi->ksi_signo;
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psp = p->p_sigacts;
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mtx_assert(&psp->ps_mtx, MA_OWNED);
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tf = td->td_frame;
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onstack = sigonstack(tf->tf_sp);
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issiginfo = SIGISMEMBER(psp->ps_siginfo, sig);
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CTR4(KTR_SIG, "sendsig: td=%p (%s) catcher=%p sig=%d", td, p->p_comm,
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catcher, sig);
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/* Allocate and validate space for the signal handler context. */
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if ((td->td_pflags & TDP_ALTSTACK) != 0 && !onstack &&
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SIGISMEMBER(psp->ps_sigonstack, sig)) {
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fp = (struct l_sigframe *)((uintptr_t)td->td_sigstk.ss_sp +
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td->td_sigstk.ss_size);
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#if defined(COMPAT_43)
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td->td_sigstk.ss_flags |= SS_ONSTACK;
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#endif
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} else {
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fp = (struct l_sigframe *)td->td_frame->tf_sp;
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}
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/* Make room, keeping the stack aligned */
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fp--;
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fp = (struct l_sigframe *)STACKALIGN(fp);
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get_mcontext(td, &uc.uc_mcontext, 0);
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uc.uc_sigmask = *mask;
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uc_stack.ss_sp = PTROUT(td->td_sigstk.ss_sp);
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uc_stack.ss_size = td->td_sigstk.ss_size;
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uc_stack.ss_flags = (td->td_pflags & TDP_ALTSTACK) != 0 ?
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(onstack ? LINUX_SS_ONSTACK : 0) : LINUX_SS_DISABLE;
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mtx_unlock(&psp->ps_mtx);
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PROC_UNLOCK(td->td_proc);
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/* Fill in the frame to copy out */
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frame = malloc(sizeof(*frame), M_LINUX, M_WAITOK | M_ZERO);
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memcpy(&frame->sf.sf_uc.uc_sc.regs, tf->tf_x, sizeof(tf->tf_x));
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frame->sf.sf_uc.uc_sc.regs[30] = tf->tf_lr;
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frame->sf.sf_uc.uc_sc.sp = tf->tf_sp;
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frame->sf.sf_uc.uc_sc.pc = tf->tf_lr;
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frame->sf.sf_uc.uc_sc.pstate = tf->tf_spsr;
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frame->sf.sf_uc.uc_sc.fault_address = (register_t)ksi->ksi_addr;
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/* Stack frame for unwinding */
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frame->fp = tf->tf_x[29];
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frame->lr = tf->tf_lr;
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/* Translate the signal. */
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sig = bsd_to_linux_signal(sig);
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siginfo_to_lsiginfo(&ksi->ksi_info, &frame->sf.sf_si, sig);
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bsd_to_linux_sigset(mask, &frame->sf.sf_uc.uc_sigmask);
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/*
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* Prepare fpsimd & esr. Does not check sizes, as
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* __reserved is big enougth.
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*/
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scr = (uint8_t *)&frame->sf.sf_uc.uc_sc.__reserved;
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#ifdef VFP
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fpsimd = (struct l_fpsimd_context *) scr;
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fpsimd->head.magic = L_FPSIMD_MAGIC;
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fpsimd->head.size = sizeof(struct l_fpsimd_context);
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fpsimd->fpsr = uc.uc_mcontext.mc_fpregs.fp_sr;
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fpsimd->fpcr = uc.uc_mcontext.mc_fpregs.fp_cr;
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memcpy(fpsimd->vregs, &uc.uc_mcontext.mc_fpregs.fp_q,
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sizeof(uc.uc_mcontext.mc_fpregs.fp_q));
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scr += roundup(sizeof(struct l_fpsimd_context), 16);
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#endif
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if (ksi->ksi_addr != 0) {
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esr = (struct l_esr_context *) scr;
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esr->head.magic = L_ESR_MAGIC;
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esr->head.size = sizeof(struct l_esr_context);
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esr->esr = tf->tf_esr;
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}
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memcpy(&frame->sf.sf_uc.uc_stack, &uc_stack, sizeof(uc_stack));
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memcpy(&frame->uc, &uc, sizeof(uc));
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/* Copy the sigframe out to the user's stack. */
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if (copyout(frame, fp, sizeof(*fp)) != 0) {
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/* Process has trashed its stack. Kill it. */
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free(frame, M_LINUX);
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CTR2(KTR_SIG, "sendsig: sigexit td=%p fp=%p", td, fp);
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PROC_LOCK(p);
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sigexit(td, SIGILL);
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}
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free(frame, M_LINUX);
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tf->tf_x[0]= sig;
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if (issiginfo) {
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tf->tf_x[1] = (register_t)&fp->sf.sf_si;
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tf->tf_x[2] = (register_t)&fp->sf.sf_uc;
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} else {
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tf->tf_x[1] = 0;
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tf->tf_x[2] = 0;
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}
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tf->tf_x[8] = (register_t)catcher;
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tf->tf_sp = (register_t)fp;
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tf->tf_elr = (register_t)linux_vdso_sigcode;
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CTR3(KTR_SIG, "sendsig: return td=%p pc=%#x sp=%#x", td, tf->tf_elr,
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tf->tf_sp);
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PROC_LOCK(p);
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mtx_lock(&psp->ps_mtx);
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}
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struct sysentvec elf_linux_sysvec = {
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.sv_size = LINUX_SYS_MAXSYSCALL,
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.sv_table = linux_sysent,
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.sv_fixup = __elfN(freebsd_fixup),
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.sv_sendsig = linux_rt_sendsig,
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.sv_sigcode = &_binary_linux_vdso_so_o_start,
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.sv_szsigcode = &linux_szsigcode,
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.sv_name = "Linux ELF64",
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.sv_coredump = elf64_coredump,
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.sv_elf_core_osabi = ELFOSABI_NONE,
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.sv_elf_core_abi_vendor = LINUX_ABI_VENDOR,
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.sv_elf_core_prepare_notes = linux64_prepare_notes,
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.sv_imgact_try = linux_exec_imgact_try,
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.sv_minsigstksz = LINUX_MINSIGSTKSZ,
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.sv_minuser = VM_MIN_ADDRESS,
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.sv_maxuser = VM_MAXUSER_ADDRESS,
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.sv_usrstack = LINUX_USRSTACK,
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.sv_psstrings = LINUX_PS_STRINGS,
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.sv_psstringssz = sizeof(struct ps_strings),
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.sv_stackprot = VM_PROT_READ | VM_PROT_WRITE,
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.sv_copyout_auxargs = __linuxN(copyout_auxargs),
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.sv_copyout_strings = __linuxN(copyout_strings),
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.sv_setregs = linux_exec_setregs,
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.sv_fixlimit = NULL,
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.sv_maxssiz = NULL,
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.sv_flags = SV_ABI_LINUX | SV_LP64 | SV_SHP | SV_SIG_DISCIGN |
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SV_SIG_WAITNDQ | SV_TIMEKEEP,
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.sv_set_syscall_retval = linux_set_syscall_retval,
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.sv_fetch_syscall_args = linux_fetch_syscall_args,
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.sv_syscallnames = linux_syscallnames,
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.sv_shared_page_base = LINUX_SHAREDPAGE,
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.sv_shared_page_len = PAGE_SIZE,
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.sv_schedtail = linux_schedtail,
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.sv_thread_detach = linux_thread_detach,
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.sv_trap = NULL,
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.sv_hwcap = &elf_hwcap,
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.sv_hwcap2 = &elf_hwcap2,
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.sv_onexec = linux_on_exec_vmspace,
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.sv_onexit = linux_on_exit,
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.sv_ontdexit = linux_thread_dtor,
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.sv_setid_allowed = &linux_setid_allowed_query,
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};
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static int
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linux_on_exec_vmspace(struct proc *p, struct image_params *imgp)
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{
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int error;
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error = linux_map_vdso(p, linux_vdso_obj, linux_vdso_base,
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LINUX_VDSOPAGE_SIZE, imgp);
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if (error == 0)
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linux_on_exec(p, imgp);
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return (error);
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}
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/*
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* linux_vdso_install() and linux_exec_sysvec_init() must be called
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* after exec_sysvec_init() which is SI_SUB_EXEC (SI_ORDER_ANY).
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*/
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static void
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linux_exec_sysvec_init(void *param)
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{
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l_uintptr_t *ktimekeep_base;
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struct sysentvec *sv;
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ptrdiff_t tkoff;
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sv = param;
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/* Fill timekeep_base */
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exec_sysvec_init(sv);
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tkoff = kern_timekeep_base - linux_vdso_base;
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ktimekeep_base = (l_uintptr_t *)(linux_vdso_mapping + tkoff);
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*ktimekeep_base = sv->sv_shared_page_base + sv->sv_timekeep_offset;
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}
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SYSINIT(elf_linux_exec_sysvec_init, SI_SUB_EXEC + 1, SI_ORDER_ANY,
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linux_exec_sysvec_init, &elf_linux_sysvec);
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static void
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linux_vdso_install(const void *param)
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{
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char *vdso_start = &_binary_linux_vdso_so_o_start;
|
|
char *vdso_end = &_binary_linux_vdso_so_o_end;
|
|
|
|
linux_szsigcode = vdso_end - vdso_start;
|
|
MPASS(linux_szsigcode <= LINUX_VDSOPAGE_SIZE);
|
|
|
|
linux_vdso_base = LINUX_VDSOPAGE;
|
|
|
|
__elfN(linux_vdso_fixup)(vdso_start, linux_vdso_base);
|
|
|
|
linux_vdso_obj = __elfN(linux_shared_page_init)
|
|
(&linux_vdso_mapping, LINUX_VDSOPAGE_SIZE);
|
|
bcopy(vdso_start, linux_vdso_mapping, linux_szsigcode);
|
|
|
|
linux_vdso_reloc(linux_vdso_mapping, linux_vdso_base);
|
|
}
|
|
SYSINIT(elf_linux_vdso_init, SI_SUB_EXEC + 1, SI_ORDER_FIRST,
|
|
linux_vdso_install, NULL);
|
|
|
|
static void
|
|
linux_vdso_deinstall(const void *param)
|
|
{
|
|
|
|
__elfN(linux_shared_page_fini)(linux_vdso_obj,
|
|
linux_vdso_mapping, LINUX_VDSOPAGE_SIZE);
|
|
}
|
|
SYSUNINIT(elf_linux_vdso_uninit, SI_SUB_EXEC, SI_ORDER_FIRST,
|
|
linux_vdso_deinstall, NULL);
|
|
|
|
static void
|
|
linux_vdso_reloc(char *mapping, Elf_Addr offset)
|
|
{
|
|
Elf_Size rtype, symidx;
|
|
const Elf_Rela *rela;
|
|
const Elf_Shdr *shdr;
|
|
const Elf_Ehdr *ehdr;
|
|
Elf_Addr *where;
|
|
Elf_Addr addr, addend;
|
|
int i, relacnt;
|
|
|
|
MPASS(offset != 0);
|
|
|
|
relacnt = 0;
|
|
ehdr = (const Elf_Ehdr *)mapping;
|
|
shdr = (const Elf_Shdr *)(mapping + ehdr->e_shoff);
|
|
for (i = 0; i < ehdr->e_shnum; i++)
|
|
{
|
|
switch (shdr[i].sh_type) {
|
|
case SHT_REL:
|
|
printf("Linux Aarch64 vDSO: unexpected Rel section\n");
|
|
break;
|
|
case SHT_RELA:
|
|
rela = (const Elf_Rela *)(mapping + shdr[i].sh_offset);
|
|
relacnt = shdr[i].sh_size / sizeof(*rela);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < relacnt; i++, rela++) {
|
|
where = (Elf_Addr *)(mapping + rela->r_offset);
|
|
addend = rela->r_addend;
|
|
rtype = ELF_R_TYPE(rela->r_info);
|
|
symidx = ELF_R_SYM(rela->r_info);
|
|
|
|
switch (rtype) {
|
|
case R_AARCH64_NONE: /* none */
|
|
break;
|
|
|
|
case R_AARCH64_RELATIVE: /* B + A */
|
|
addr = (Elf_Addr)(mapping + addend);
|
|
if (*where != addr)
|
|
*where = addr;
|
|
break;
|
|
default:
|
|
printf("Linux Aarch64 vDSO: unexpected relocation type %ld, "
|
|
"symbol index %ld\n", rtype, symidx);
|
|
}
|
|
}
|
|
}
|
|
|
|
static Elf_Brandnote linux64_brandnote = {
|
|
.hdr.n_namesz = sizeof(GNU_ABI_VENDOR),
|
|
.hdr.n_descsz = 16,
|
|
.hdr.n_type = 1,
|
|
.vendor = GNU_ABI_VENDOR,
|
|
.flags = BN_TRANSLATE_OSREL,
|
|
.trans_osrel = linux_trans_osrel
|
|
};
|
|
|
|
static Elf64_Brandinfo linux_glibc2brand = {
|
|
.brand = ELFOSABI_LINUX,
|
|
.machine = EM_AARCH64,
|
|
.compat_3_brand = "Linux",
|
|
.emul_path = linux_emul_path,
|
|
.interp_path = "/lib64/ld-linux-x86-64.so.2",
|
|
.sysvec = &elf_linux_sysvec,
|
|
.interp_newpath = NULL,
|
|
.brand_note = &linux64_brandnote,
|
|
.flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE
|
|
};
|
|
|
|
Elf64_Brandinfo *linux_brandlist[] = {
|
|
&linux_glibc2brand,
|
|
NULL
|
|
};
|
|
|
|
static int
|
|
linux64_elf_modevent(module_t mod, int type, void *data)
|
|
{
|
|
Elf64_Brandinfo **brandinfo;
|
|
struct linux_ioctl_handler**lihp;
|
|
int error;
|
|
|
|
error = 0;
|
|
switch(type) {
|
|
case MOD_LOAD:
|
|
for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL;
|
|
++brandinfo)
|
|
if (elf64_insert_brand_entry(*brandinfo) < 0)
|
|
error = EINVAL;
|
|
if (error == 0) {
|
|
SET_FOREACH(lihp, linux_ioctl_handler_set)
|
|
linux_ioctl_register_handler(*lihp);
|
|
stclohz = (stathz ? stathz : hz);
|
|
if (bootverbose)
|
|
printf("Linux arm64 ELF exec handler installed\n");
|
|
}
|
|
break;
|
|
case MOD_UNLOAD:
|
|
for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL;
|
|
++brandinfo)
|
|
if (elf64_brand_inuse(*brandinfo))
|
|
error = EBUSY;
|
|
if (error == 0) {
|
|
for (brandinfo = &linux_brandlist[0];
|
|
*brandinfo != NULL; ++brandinfo)
|
|
if (elf64_remove_brand_entry(*brandinfo) < 0)
|
|
error = EINVAL;
|
|
}
|
|
if (error == 0) {
|
|
SET_FOREACH(lihp, linux_ioctl_handler_set)
|
|
linux_ioctl_unregister_handler(*lihp);
|
|
if (bootverbose)
|
|
printf("Linux arm64 ELF exec handler removed\n");
|
|
} else
|
|
printf("Could not deinstall Linux arm64 ELF interpreter entry\n");
|
|
break;
|
|
default:
|
|
return (EOPNOTSUPP);
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
static moduledata_t linux64_elf_mod = {
|
|
"linux64elf",
|
|
linux64_elf_modevent,
|
|
0
|
|
};
|
|
|
|
DECLARE_MODULE_TIED(linux64elf, linux64_elf_mod, SI_SUB_EXEC, SI_ORDER_ANY);
|
|
MODULE_DEPEND(linux64elf, linux_common, 1, 1, 1);
|
|
FEATURE(linux64, "AArch64 Linux 64bit support");
|