1 /* $NetBSD: sys_linux_component.c,v 1.6 2019/01/27 02:08:49 pgoyette Exp $ */ 2 3 #include <sys/cdefs.h> 4 __KERNEL_RCSID(0, "$NetBSD: sys_linux_component.c,v 1.6 2019/01/27 02:08:49 pgoyette Exp $"); 5 6 #include <sys/cdefs.h> 7 __KERNEL_RCSID(0, "$NetBSD: sys_linux_component.c,v 1.6 2019/01/27 02:08:49 pgoyette Exp $"); 8 9 #include <sys/param.h> 10 #include <sys/proc.h> 11 12 #include <compat/linux/common/linux_errno.h> 13 14 #include <uvm/uvm_extern.h> 15 16 #include <rump-sys/kern.h> 17 18 #include "rump_linux_syscall.h" 19 20 extern struct sysent rump_linux_sysent[]; 21 extern const uint32_t rump_linux_sysent_nomodbits[]; 22 23 #ifdef __HAVE_SYSCALL_INTERN 24 static void 25 rumplinux_syscall_intern(struct proc *p) 26 { 27 28 p->p_emuldata = __UNCONST(native_to_linux_errno); 29 } 30 #endif 31 32 struct emul emul_rump_sys_linux = { 33 .e_name = "linux-rump", 34 .e_sysent = rump_linux_sysent, 35 .e_nomodbits = rump_linux_sysent_nomodbits, 36 #ifndef __HAVE_MINIMAL_EMUL 37 .e_nsysent = RUMP_LINUX_SYS_NSYSENT, 38 .e_errno = native_to_linux_errno, 39 #endif 40 .e_vm_default_addr = uvm_default_mapaddr, 41 #ifdef __HAVE_SYSCALL_INTERN 42 .e_syscall_intern = rumplinux_syscall_intern, 43 #endif 44 }; 45 46 RUMP_COMPONENT(RUMP_COMPONENT_KERN) 47 { 48 extern struct emul *emul_default; 49 50 emul_default = &emul_rump_sys_linux; 51 } 52 53 #include <compat/linux/common/linux_machdep.h> 54 55 dev_t 56 linux_fakedev(dev_t in, int raw) 57 { 58 59 /* I don't really think it matters what we return here */ 60 return in; 61 } 62 63 /* 64 * XXX: the linux emulation code is not split into factions 65 */ 66 void rumplinux__stub(void); 67 void rumplinux__stub(void) {panic("unavailable");} 68 69 /* vm-related */ 70 __weak_alias(sys_mmap,rumplinux__stub); 71 __weak_alias(vm_map_unlock,rumplinux__stub); 72 __weak_alias(uvm_map_lookup_entry,rumplinux__stub); 73 __weak_alias(sys_obreak,rumplinux__stub); 74 __weak_alias(vm_map_lock,rumplinux__stub); 75 __weak_alias(uvm_mremap,rumplinux__stub); 76 77 /* signal.c */ 78 __weak_alias(sigaction1,rumplinux__stub); 79 __weak_alias(kpsignal2,rumplinux__stub); 80 __weak_alias(sys_kill,rumplinux__stub); 81 __weak_alias(sigsuspend1,rumplinux__stub); 82 __weak_alias(sigtimedwait1,rumplinux__stub); 83 __weak_alias(lwp_find,rumplinux__stub); 84 85 /* misc */ 86 __weak_alias(linux_machdepioctl,rumplinux__stub); 87 __weak_alias(linux_ioctl_sg,rumplinux__stub); 88 __weak_alias(oss_ioctl_mixer,rumplinux__stub); 89 __weak_alias(oss_ioctl_sequencer,rumplinux__stub); 90 __weak_alias(oss_ioctl_audio,rumplinux__stub); 91 __weak_alias(rusage_to_rusage50,rumplinux__stub); 92 __weak_alias(do_sys_wait,rumplinux__stub); 93 94 /* arch-specific */ 95 __weak_alias(compat_offseterr,rumplinux__stub); 96 __weak_alias(linux_sys_ptrace_arch,rumplinux__stub); 97 98 #ifdef __i386__ 99 const char * 100 linux_get_uname_arch(void) 101 { 102 103 return MACHINE_ARCH; 104 } 105 #endif /* __i386__ */ 106