[src/tls-maxphys]: src/sys/rump/kern/lib/libsys_linux i386 has a special way ...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/345d1f135c85
branches:  tls-maxphys
changeset: 852971:345d1f135c85
user:      pooka <pooka%NetBSD.org@localhost>
date:      Wed Apr 03 23:51:21 2013 +0000

description:
i386 has a special way to handle uname.  We don't really care about
satisfying uname in a rump kernel, but attempt to return something
sane anyway.

diffstat:

 sys/rump/kern/lib/libsys_linux/component.c |  94 ++++++++++++++++++++++++++++++
 1 files changed, 94 insertions(+), 0 deletions(-)

diffs (98 lines):

diff -r 1ffdbca0f4ef -r 345d1f135c85 sys/rump/kern/lib/libsys_linux/component.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/rump/kern/lib/libsys_linux/component.c        Wed Apr 03 23:51:21 2013 +0000
@@ -0,0 +1,94 @@
+/*     $NetBSD: component.c,v 1.8.4.2 2013/04/03 23:51:21 pooka Exp $  */
+
+#include <sys/param.h>
+#include <sys/proc.h>
+
+#include <uvm/uvm_extern.h>
+
+#include "rump_private.h"
+
+#include "rump_linux_syscall.h"
+
+extern struct sysent rump_linux_sysent[];
+
+struct emul emul_rump_sys_linux = {
+       .e_name = "linux-rump",
+       .e_sysent = rump_linux_sysent,
+#ifndef __HAVE_MINIMAL_EMUL
+       .e_nsysent = RUMP_LINUX_SYS_NSYSENT,
+#endif
+       .e_vm_default_addr = uvm_default_mapaddr,
+#ifdef __HAVE_SYSCALL_INTERN
+       .e_syscall_intern = syscall_intern,
+#endif
+};
+
+RUMP_COMPONENT(RUMP_COMPONENT_KERN)
+{
+       extern struct emul *emul_default;
+
+       emul_default = &emul_rump_sys_linux;
+}
+
+#include <compat/linux/common/linux_machdep.h>
+
+dev_t
+linux_fakedev(dev_t in, int raw)
+{
+
+       /* I don't really think it matters what we return here */
+       return in;
+}
+
+/*
+ * XXX: the linux emulation code is not split into factions
+ */
+void rumplinux__stub(void);
+void rumplinux__stub(void) {panic("unavailable");}
+
+/* timing */
+__weak_alias(clock_gettime1,rumplinux__stub);
+__weak_alias(clock_settime1,rumplinux__stub);
+__weak_alias(clock_getres1,rumplinux__stub);
+__weak_alias(compat_50_sys_gettimeofday,rumplinux__stub);
+__weak_alias(compat_50_sys_settimeofday,rumplinux__stub);
+__weak_alias(nanosleep1,rumplinux__stub);
+
+/* vm-related */
+__weak_alias(sys_mmap,rumplinux__stub);
+__weak_alias(vm_map_unlock,rumplinux__stub);
+__weak_alias(uvm_map_lookup_entry,rumplinux__stub);
+__weak_alias(sys_obreak,rumplinux__stub);
+__weak_alias(sys_swapctl,rumplinux__stub);
+__weak_alias(vm_map_lock,rumplinux__stub);
+__weak_alias(uvm_mremap,rumplinux__stub);
+
+/* signal.c */
+__weak_alias(sigaction1,rumplinux__stub);
+__weak_alias(kpsignal2,rumplinux__stub);
+__weak_alias(sys_kill,rumplinux__stub);
+__weak_alias(sigsuspend1,rumplinux__stub);
+__weak_alias(sigtimedwait1,rumplinux__stub);
+__weak_alias(lwp_find,rumplinux__stub);
+
+/* misc */
+__weak_alias(linux_machdepioctl,rumplinux__stub);
+__weak_alias(linux_ioctl_sg,rumplinux__stub);
+__weak_alias(oss_ioctl_mixer,rumplinux__stub);
+__weak_alias(oss_ioctl_sequencer,rumplinux__stub);
+__weak_alias(oss_ioctl_audio,rumplinux__stub);
+__weak_alias(rusage_to_rusage50,rumplinux__stub);
+__weak_alias(do_sys_wait,rumplinux__stub);
+
+/* arch-specific */
+__weak_alias(compat_offseterr,rumplinux__stub);
+__weak_alias(linux_sys_ptrace_arch,rumplinux__stub);
+
+#ifdef __i386__
+const char *
+linux_get_uname_arch(void)
+{
+
+       return MACHINE_ARCH;
+}
+#endif /* __i386__ */