xref: /netbsd-src/sys/rump/kern/lib/libsys_linux/sys_linux_component.c (revision deb6f0161a9109e7de9b519dc8dfb9478668dcdd)
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