1 /* $NetBSD: sys_linux_component.c,v 1.4 2018/08/10 21:44:59 pgoyette Exp $ */ 2 3 #include <sys/param.h> 4 #include <sys/proc.h> 5 6 #include <compat/linux/common/linux_errno.h> 7 8 #include <uvm/uvm_extern.h> 9 10 #include <rump-sys/kern.h> 11 12 #include "rump_linux_syscall.h" 13 14 extern struct sysent rump_linux_sysent[]; 15 extern const uint32_t rump_linux_sysent_nomodbits[]; 16 17 #ifdef __HAVE_SYSCALL_INTERN 18 static void 19 rumplinux_syscall_intern(struct proc *p) 20 { 21 22 p->p_emuldata = __UNCONST(native_to_linux_errno); 23 } 24 #endif 25 26 struct emul emul_rump_sys_linux = { 27 .e_name = "linux-rump", 28 .e_sysent = rump_linux_sysent, 29 .e_nomodbits = rump_linux_sysent_nomodbits, 30 #ifndef __HAVE_MINIMAL_EMUL 31 .e_nsysent = RUMP_LINUX_SYS_NSYSENT, 32 .e_errno = native_to_linux_errno, 33 #endif 34 .e_vm_default_addr = uvm_default_mapaddr, 35 #ifdef __HAVE_SYSCALL_INTERN 36 .e_syscall_intern = rumplinux_syscall_intern, 37 #endif 38 }; 39 40 RUMP_COMPONENT(RUMP_COMPONENT_KERN) 41 { 42 extern struct emul *emul_default; 43 44 emul_default = &emul_rump_sys_linux; 45 } 46 47 #include <compat/linux/common/linux_machdep.h> 48 49 dev_t 50 linux_fakedev(dev_t in, int raw) 51 { 52 53 /* I don't really think it matters what we return here */ 54 return in; 55 } 56 57 /* 58 * XXX: the linux emulation code is not split into factions 59 */ 60 void rumplinux__stub(void); 61 void rumplinux__stub(void) {panic("unavailable");} 62 63 /* vm-related */ 64 __weak_alias(sys_mmap,rumplinux__stub); 65 __weak_alias(vm_map_unlock,rumplinux__stub); 66 __weak_alias(uvm_map_lookup_entry,rumplinux__stub); 67 __weak_alias(sys_obreak,rumplinux__stub); 68 __weak_alias(vm_map_lock,rumplinux__stub); 69 __weak_alias(uvm_mremap,rumplinux__stub); 70 71 /* signal.c */ 72 __weak_alias(sigaction1,rumplinux__stub); 73 __weak_alias(kpsignal2,rumplinux__stub); 74 __weak_alias(sys_kill,rumplinux__stub); 75 __weak_alias(sigsuspend1,rumplinux__stub); 76 __weak_alias(sigtimedwait1,rumplinux__stub); 77 __weak_alias(lwp_find,rumplinux__stub); 78 79 /* misc */ 80 __weak_alias(linux_machdepioctl,rumplinux__stub); 81 __weak_alias(linux_ioctl_sg,rumplinux__stub); 82 __weak_alias(oss_ioctl_mixer,rumplinux__stub); 83 __weak_alias(oss_ioctl_sequencer,rumplinux__stub); 84 __weak_alias(oss_ioctl_audio,rumplinux__stub); 85 __weak_alias(rusage_to_rusage50,rumplinux__stub); 86 __weak_alias(do_sys_wait,rumplinux__stub); 87 88 /* arch-specific */ 89 __weak_alias(compat_offseterr,rumplinux__stub); 90 __weak_alias(linux_sys_ptrace_arch,rumplinux__stub); 91 92 #ifdef __i386__ 93 const char * 94 linux_get_uname_arch(void) 95 { 96 97 return MACHINE_ARCH; 98 } 99 #endif /* __i386__ */ 100