sys_linux_component.c revision 1.4 
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
14extern struct sysent rump_linux_sysent[];
15extern const uint32_t rump_linux_sysent_nomodbits[];
16
17#ifdef __HAVE_SYSCALL_INTERN
18static void
19rumplinux_syscall_intern(struct proc *p)
20{
21
22	p->p_emuldata = __UNCONST(native_to_linux_errno);
23}
24#endif
25
26struct 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
40RUMP_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
49dev_t
50linux_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 */
60void rumplinux__stub(void);
61void 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__
93const char *
94linux_get_uname_arch(void)
95{
96
97	return MACHINE_ARCH;
98}
99#endif /* __i386__ */
100