MFC r283421:
Introduce a new module linux_common.ko which is intended for the following primary purposes: 1. Remove the dependency of linsysfs and linprocfs modules from linux.ko, which will be architecture specific on amd64. 2. Incorporate into linux_common.ko general code for platforms on which we'll support two Linuxulator modules (for both instruction set - 32 & 64 bit). 3. Move malloc(9) declaration to linux_common.ko, to enable getting memory usage statistics properly. Currently linux_common.ko incorporates a code from linux_mib.c and linux_util.c and linprocfs, linsysfs and linux kernel modules depend on linux_common.ko. Temporarily remove dtrace garbage from linux_mib.c and linux_util.c
This commit is contained in:
parent
e6de850e05
commit
d30e84112a
@ -46,10 +46,6 @@ extern u_char linux_debug_map[];
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(long)td->td_proc->p_pid, (long)td->td_tid
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#define LINUX_DTRACE linuxulator32
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#ifdef MALLOC_DECLARE
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MALLOC_DECLARE(M_LINUX);
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#endif
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#define LINUX32_MAXUSER ((1ul << 32) - PAGE_SIZE)
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#define LINUX32_SHAREDPAGE (LINUX32_MAXUSER - PAGE_SIZE)
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#define LINUX32_USRSTACK LINUX32_SHAREDPAGE
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@ -87,8 +87,6 @@ __FBSDID("$FreeBSD$");
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MODULE_VERSION(linux, 1);
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MALLOC_DEFINE(M_LINUX, "linux", "Linux mode structures");
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#define AUXARGS_ENTRY_32(pos, id, val) \
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do { \
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suword32(pos++, id); \
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@ -120,7 +118,6 @@ extern char _binary_linux32_locore_o_end;
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extern struct sysent linux_sysent[LINUX_SYS_MAXSYSCALL];
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SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler);
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SET_DECLARE(linux_device_handler_set, struct linux_device_handler);
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static int elf_linux_fixup(register_t **stack_base,
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struct image_params *iparams);
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@ -976,6 +973,13 @@ static u_long linux32_maxvmem = LINUX32_MAXVMEM;
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SYSCTL_ULONG(_compat_linux32, OID_AUTO, maxvmem, CTLFLAG_RW,
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&linux32_maxvmem, 0, "");
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#if defined(DEBUG)
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SYSCTL_PROC(_compat_linux32, OID_AUTO, debug,
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CTLTYPE_STRING | CTLFLAG_RW,
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0, 0, linux_sysctl_debug, "A",
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"Linux debugging control");
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#endif
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static void
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linux32_fixlimit(struct rlimit *rl, int which)
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{
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@ -1152,7 +1156,6 @@ linux_elf_modevent(module_t mod, int type, void *data)
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Elf32_Brandinfo **brandinfo;
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int error;
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struct linux_ioctl_handler **lihp;
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struct linux_device_handler **ldhp;
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error = 0;
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@ -1165,8 +1168,6 @@ linux_elf_modevent(module_t mod, int type, void *data)
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if (error == 0) {
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SET_FOREACH(lihp, linux_ioctl_handler_set)
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linux_ioctl_register_handler(*lihp);
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SET_FOREACH(ldhp, linux_device_handler_set)
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linux_device_register_handler(*ldhp);
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LIST_INIT(&futex_list);
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mtx_init(&futex_mtx, "ftllk", NULL, MTX_DEF);
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linux_exit_tag = EVENTHANDLER_REGISTER(process_exit,
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@ -1175,7 +1176,6 @@ linux_elf_modevent(module_t mod, int type, void *data)
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linux_proc_exec, NULL, 1000);
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linux_thread_dtor_tag = EVENTHANDLER_REGISTER(thread_dtor,
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linux_thread_dtor, NULL, EVENTHANDLER_PRI_ANY);
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linux_osd_jail_register();
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stclohz = (stathz ? stathz : hz);
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if (bootverbose)
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printf("Linux ELF exec handler installed\n");
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@ -1196,13 +1196,10 @@ linux_elf_modevent(module_t mod, int type, void *data)
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if (error == 0) {
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SET_FOREACH(lihp, linux_ioctl_handler_set)
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linux_ioctl_unregister_handler(*lihp);
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SET_FOREACH(ldhp, linux_device_handler_set)
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linux_device_unregister_handler(*ldhp);
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mtx_destroy(&futex_mtx);
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EVENTHANDLER_DEREGISTER(process_exit, linux_exit_tag);
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EVENTHANDLER_DEREGISTER(process_exec, linux_exec_tag);
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EVENTHANDLER_DEREGISTER(thread_dtor, linux_thread_dtor_tag);
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linux_osd_jail_deregister();
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if (bootverbose)
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printf("Linux ELF exec handler removed\n");
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} else
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@ -1221,3 +1218,4 @@ static moduledata_t linux_elf_mod = {
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};
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DECLARE_MODULE_TIED(linuxelf, linux_elf_mod, SI_SUB_EXEC, SI_ORDER_ANY);
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MODULE_DEPEND(linuxelf, linux_common, 1, 1, 1);
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@ -39,8 +39,6 @@
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* @(#)procfs_status.c 8.4 (Berkeley) 6/15/94
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*/
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#include "opt_compat.h"
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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@ -68,6 +66,7 @@ __FBSDID("$FreeBSD$");
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#include <sys/smp.h>
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#include <sys/socket.h>
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#include <sys/sysctl.h>
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#include <sys/sysent.h>
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#include <sys/systm.h>
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#include <sys/time.h>
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#include <sys/tty.h>
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@ -78,7 +77,7 @@ __FBSDID("$FreeBSD$");
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#include <sys/bus.h>
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#include <net/if.h>
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#include <net/vnet.h>
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#include <net/if_types.h>
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#include <vm/vm.h>
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#include <vm/vm_extern.h>
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@ -98,11 +97,6 @@ __FBSDID("$FreeBSD$");
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#include <machine/md_var.h>
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#endif /* __i386__ || __amd64__ */
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#ifdef COMPAT_FREEBSD32
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#include <compat/freebsd32/freebsd32_util.h>
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#endif
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#include <compat/linux/linux_ioctl.h>
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#include <compat/linux/linux_mib.h>
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#include <compat/linux/linux_misc.h>
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#include <compat/linux/linux_util.h>
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@ -1092,6 +1086,35 @@ linprocfs_doprocmaps(PFS_FILL_ARGS)
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return (error);
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}
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/*
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* Criteria for interface name translation
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*/
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#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
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static int
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linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen)
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{
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struct ifnet *ifscan;
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int ethno;
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IFNET_RLOCK_ASSERT();
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/* Short-circuit non ethernet interfaces */
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if (!IFP_IS_ETH(ifp))
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return (strlcpy(buffer, ifp->if_xname, buflen));
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/* Determine the (relative) unit number for ethernet interfaces */
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ethno = 0;
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TAILQ_FOREACH(ifscan, &V_ifnet, if_link) {
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if (ifscan == ifp)
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return (snprintf(buffer, buflen, "eth%d", ethno));
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if (IFP_IS_ETH(ifscan))
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ethno++;
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}
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return (0);
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}
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/*
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* Filler function for proc/net/dev
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*/
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@ -1239,8 +1262,6 @@ linprocfs_doscsiscsi(PFS_FILL_ARGS)
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return (0);
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}
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extern struct cdevsw *cdevsw[];
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/*
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* Filler function for proc/devices
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*/
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@ -1455,7 +1476,11 @@ linprocfs_uninit(PFS_INIT_ARGS)
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}
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PSEUDOFS(linprocfs, 1, 0);
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#if defined(__amd64__)
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MODULE_DEPEND(linprocfs, linux_common, 1, 1, 1);
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#else
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MODULE_DEPEND(linprocfs, linux, 1, 1, 1);
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#endif
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MODULE_DEPEND(linprocfs, procfs, 1, 1, 1);
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MODULE_DEPEND(linprocfs, sysvmsg, 1, 1, 1);
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MODULE_DEPEND(linprocfs, sysvsem, 1, 1, 1);
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@ -61,12 +61,6 @@ __FBSDID("$FreeBSD$");
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#include <machine/bus.h>
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#include "opt_compat.h"
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#ifdef COMPAT_LINUX32 /* XXX */
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#include <machine/../linux32/linux.h>
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#else
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#include <machine/../linux/linux.h>
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#endif
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#include <compat/linux/linux_ioctl.h>
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#include <compat/linux/linux_mib.h>
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#include <compat/linux/linux_util.h>
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@ -281,4 +275,8 @@ linsysfs_uninit(PFS_INIT_ARGS)
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}
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PSEUDOFS(linsysfs, 1, 0);
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#if defined(__amd64__)
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MODULE_DEPEND(linsysfs, linux_common, 1, 1, 1);
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#else
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MODULE_DEPEND(linsysfs, linux, 1, 1, 1);
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#endif
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74
sys/compat/linux/linux_common.c
Normal file
74
sys/compat/linux/linux_common.c
Normal file
@ -0,0 +1,74 @@
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/*-
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* Copyright (c) 2014 Vassilis Laganakos
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/module.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/types.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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#include <compat/linux/linux_mib.h>
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#include <compat/linux/linux_util.h>
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MODULE_VERSION(linux_common, 1);
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SET_DECLARE(linux_device_handler_set, struct linux_device_handler);
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static int
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linux_common_modevent(module_t mod, int type, void *data)
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{
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struct linux_device_handler **ldhp;
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switch(type) {
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case MOD_LOAD:
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linux_osd_jail_register();
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SET_FOREACH(ldhp, linux_device_handler_set)
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linux_device_register_handler(*ldhp);
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break;
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case MOD_UNLOAD:
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linux_osd_jail_deregister();
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SET_FOREACH(ldhp, linux_device_handler_set)
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linux_device_unregister_handler(*ldhp);
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break;
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default:
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return (EOPNOTSUPP);
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}
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return (0);
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}
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static moduledata_t linux_common_mod = {
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"linuxcommon",
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linux_common_modevent,
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0
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};
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DECLARE_MODULE(linuxcommon, linux_common_mod, SI_SUB_EXEC, SI_ORDER_ANY);
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_types.h>
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#include <net/vnet.h>
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#include <dev/usb/usb_ioctl.h>
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@ -2107,34 +2106,6 @@ linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
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*/
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#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
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/*
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* Interface function used by linprocfs (at the time of writing). It's not
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* used by the Linuxulator itself.
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*/
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int
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linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen)
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{
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struct ifnet *ifscan;
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int ethno;
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IFNET_RLOCK_ASSERT();
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/* Short-circuit non ethernet interfaces */
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if (!IFP_IS_ETH(ifp))
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return (strlcpy(buffer, ifp->if_xname, buflen));
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/* Determine the (relative) unit number for ethernet interfaces */
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ethno = 0;
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TAILQ_FOREACH(ifscan, &V_ifnet, if_link) {
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if (ifscan == ifp)
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return (snprintf(buffer, buflen, "eth%d", ethno));
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if (IFP_IS_ETH(ifscan))
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ethno++;
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}
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return (0);
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}
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/*
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* Translate a Linux interface name to a FreeBSD interface name,
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* and return the associated ifnet structure
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@ -580,13 +580,6 @@
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#define LINUX_IOCTL_DRM_MIN 0x6400
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#define LINUX_IOCTL_DRM_MAX 0x64ff
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/*
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* This doesn't really belong here, but I can't think of a better
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* place to put it.
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*/
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struct ifnet;
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int linux_ifname(struct ifnet *, char *, size_t);
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/*
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* video
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*/
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@ -29,9 +29,6 @@
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_compat.h"
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#include "opt_kdtrace.h"
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/sdt.h>
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@ -42,85 +39,11 @@ __FBSDID("$FreeBSD$");
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#include <sys/mount.h>
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#include <sys/jail.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/sx.h>
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#ifdef COMPAT_LINUX32
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#include <machine/../linux32/linux.h>
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#else
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#include <machine/../linux/linux.h>
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#endif
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#include <compat/linux/linux_dtrace.h>
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#include <compat/linux/linux_mib.h>
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#include <compat/linux/linux_misc.h>
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/* DTrace init */
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LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
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/**
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* DTrace probes in this module.
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*/
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LIN_SDT_PROBE_DEFINE0(mib, linux_sysctl_osname, entry);
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LIN_SDT_PROBE_DEFINE1(mib, linux_sysctl_osname, sysctl_string_error, "int");
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LIN_SDT_PROBE_DEFINE1(mib, linux_sysctl_osname, return, "int");
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LIN_SDT_PROBE_DEFINE0(mib, linux_sysctl_osrelease, entry);
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LIN_SDT_PROBE_DEFINE1(mib, linux_sysctl_osrelease, sysctl_string_error, "int");
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LIN_SDT_PROBE_DEFINE1(mib, linux_sysctl_osrelease, return, "int");
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LIN_SDT_PROBE_DEFINE0(mib, linux_sysctl_oss_version, entry);
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LIN_SDT_PROBE_DEFINE1(mib, linux_sysctl_oss_version, sysctl_string_error,
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"int");
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LIN_SDT_PROBE_DEFINE1(mib, linux_sysctl_oss_version, return, "int");
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LIN_SDT_PROBE_DEFINE2(mib, linux_map_osrel, entry, "char *", "int *");
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LIN_SDT_PROBE_DEFINE1(mib, linux_map_osrel, return, "int");
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LIN_SDT_PROBE_DEFINE2(mib, linux_get_prison, entry, "struct prison *",
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"struct prison **");
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LIN_SDT_PROBE_DEFINE1(mib, linux_get_prison, return, "struct linux_prison *");
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LIN_SDT_PROBE_DEFINE2(mib, linux_alloc_prison, entry, "struct prison *",
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"struct linux_prison **");
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LIN_SDT_PROBE_DEFINE1(mib, linux_alloc_prison, return, "int");
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LIN_SDT_PROBE_DEFINE2(mib, linux_prison_create, entry, "void *", "void *");
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LIN_SDT_PROBE_DEFINE1(mib, linux_prison_create, vfs_copyopt_error, "int");
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LIN_SDT_PROBE_DEFINE1(mib, linux_prison_create, return, "int");
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LIN_SDT_PROBE_DEFINE2(mib, linux_prison_check, entry, "void *", "void *");
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LIN_SDT_PROBE_DEFINE1(mib, linux_prison_check, vfs_copyopt_error, "int");
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LIN_SDT_PROBE_DEFINE1(mib, linux_prison_check, vfs_getopt_error, "int");
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LIN_SDT_PROBE_DEFINE1(mib, linux_prison_check, return, "int");
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LIN_SDT_PROBE_DEFINE2(mib, linux_prison_set, entry, "void *", "void *");
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LIN_SDT_PROBE_DEFINE1(mib, linux_prison_set, vfs_copyopt_error, "int");
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LIN_SDT_PROBE_DEFINE1(mib, linux_prison_set, vfs_getopt_error, "int");
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LIN_SDT_PROBE_DEFINE1(mib, linux_prison_set, return, "int");
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LIN_SDT_PROBE_DEFINE2(mib, linux_prison_get, entry, "void *", "void *");
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LIN_SDT_PROBE_DEFINE1(mib, linux_prison_get, vfs_setopt_error, "int");
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LIN_SDT_PROBE_DEFINE1(mib, linux_prison_get, vfs_setopts_error, "int");
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LIN_SDT_PROBE_DEFINE1(mib, linux_prison_get, return, "int");
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LIN_SDT_PROBE_DEFINE1(mib, linux_prison_destructor, entry, "void *");
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LIN_SDT_PROBE_DEFINE0(mib, linux_prison_destructor, return);
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LIN_SDT_PROBE_DEFINE0(mib, linux_osd_jail_register, entry);
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LIN_SDT_PROBE_DEFINE0(mib, linux_osd_jail_register, return);
|
||||
LIN_SDT_PROBE_DEFINE0(mib, linux_osd_jail_deregister, entry);
|
||||
LIN_SDT_PROBE_DEFINE0(mib, linux_osd_jail_deregister, return);
|
||||
LIN_SDT_PROBE_DEFINE2(mib, linux_get_osname, entry, "struct thread *",
|
||||
"char *");
|
||||
LIN_SDT_PROBE_DEFINE0(mib, linux_get_osname, return);
|
||||
LIN_SDT_PROBE_DEFINE2(mib, linux_set_osname, entry, "struct thread *",
|
||||
"char *");
|
||||
LIN_SDT_PROBE_DEFINE1(mib, linux_set_osname, return, "int");
|
||||
LIN_SDT_PROBE_DEFINE2(mib, linux_get_osrelease, entry, "struct thread *",
|
||||
"char *");
|
||||
LIN_SDT_PROBE_DEFINE0(mib, linux_get_osrelease, return);
|
||||
LIN_SDT_PROBE_DEFINE1(mib, linux_kernver, entry, "struct thread *");
|
||||
LIN_SDT_PROBE_DEFINE1(mib, linux_kernver, return, "int");
|
||||
LIN_SDT_PROBE_DEFINE2(mib, linux_set_osrelease, entry, "struct thread *",
|
||||
"char *");
|
||||
LIN_SDT_PROBE_DEFINE1(mib, linux_set_osrelease, return, "int");
|
||||
LIN_SDT_PROBE_DEFINE1(mib, linux_get_oss_version, entry, "struct thread *");
|
||||
LIN_SDT_PROBE_DEFINE1(mib, linux_get_oss_version, return, "int");
|
||||
|
||||
LIN_SDT_PROBE_DEFINE2(mib, linux_set_oss_version, entry, "struct thread *",
|
||||
"int");
|
||||
LIN_SDT_PROBE_DEFINE1(mib, linux_set_oss_version, return, "int");
|
||||
|
||||
struct linux_prison {
|
||||
char pr_osname[LINUX_MAX_UTSNAME];
|
||||
char pr_osrelease[LINUX_MAX_UTSNAME];
|
||||
@ -137,8 +60,7 @@ static struct linux_prison lprison0 = {
|
||||
|
||||
static unsigned linux_osd_jail_slot;
|
||||
|
||||
static SYSCTL_NODE(_compat, OID_AUTO, linux, CTLFLAG_RW, 0,
|
||||
"Linux mode");
|
||||
SYSCTL_NODE(_compat, OID_AUTO, linux, CTLFLAG_RW, 0, "Linux mode");
|
||||
|
||||
static int linux_set_osname(struct thread *td, char *osname);
|
||||
static int linux_set_osrelease(struct thread *td, char *osrelease);
|
||||
@ -150,19 +72,12 @@ linux_sysctl_osname(SYSCTL_HANDLER_ARGS)
|
||||
char osname[LINUX_MAX_UTSNAME];
|
||||
int error;
|
||||
|
||||
LIN_SDT_PROBE0(mib, linux_sysctl_osname, entry);
|
||||
|
||||
linux_get_osname(req->td, osname);
|
||||
error = sysctl_handle_string(oidp, osname, LINUX_MAX_UTSNAME, req);
|
||||
if (error != 0 || req->newptr == NULL) {
|
||||
LIN_SDT_PROBE1(mib, linux_sysctl_osname, sysctl_string_error,
|
||||
error);
|
||||
LIN_SDT_PROBE1(mib, linux_sysctl_osname, return, error);
|
||||
if (error != 0 || req->newptr == NULL)
|
||||
return (error);
|
||||
}
|
||||
error = linux_set_osname(req->td, osname);
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_sysctl_osname, return, error);
|
||||
return (error);
|
||||
}
|
||||
|
||||
@ -177,19 +92,12 @@ linux_sysctl_osrelease(SYSCTL_HANDLER_ARGS)
|
||||
char osrelease[LINUX_MAX_UTSNAME];
|
||||
int error;
|
||||
|
||||
LIN_SDT_PROBE0(mib, linux_sysctl_osrelease, entry);
|
||||
|
||||
linux_get_osrelease(req->td, osrelease);
|
||||
error = sysctl_handle_string(oidp, osrelease, LINUX_MAX_UTSNAME, req);
|
||||
if (error != 0 || req->newptr == NULL) {
|
||||
LIN_SDT_PROBE1(mib, linux_sysctl_osrelease, sysctl_string_error,
|
||||
error);
|
||||
LIN_SDT_PROBE1(mib, linux_sysctl_osrelease, return, error);
|
||||
if (error != 0 || req->newptr == NULL)
|
||||
return (error);
|
||||
}
|
||||
error = linux_set_osrelease(req->td, osrelease);
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_sysctl_osrelease, return, error);
|
||||
return (error);
|
||||
}
|
||||
|
||||
@ -204,19 +112,12 @@ linux_sysctl_oss_version(SYSCTL_HANDLER_ARGS)
|
||||
int oss_version;
|
||||
int error;
|
||||
|
||||
LIN_SDT_PROBE0(mib, linux_sysctl_oss_version, entry);
|
||||
|
||||
oss_version = linux_get_oss_version(req->td);
|
||||
error = sysctl_handle_int(oidp, &oss_version, 0, req);
|
||||
if (error != 0 || req->newptr == NULL) {
|
||||
LIN_SDT_PROBE1(mib, linux_sysctl_oss_version,
|
||||
sysctl_string_error, error);
|
||||
LIN_SDT_PROBE1(mib, linux_sysctl_oss_version, return, error);
|
||||
if (error != 0 || req->newptr == NULL)
|
||||
return (error);
|
||||
}
|
||||
error = linux_set_oss_version(req->td, oss_version);
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_sysctl_oss_version, return, error);
|
||||
return (error);
|
||||
}
|
||||
|
||||
@ -234,37 +135,26 @@ linux_map_osrel(char *osrelease, int *osrel)
|
||||
char *sep, *eosrelease;
|
||||
int len, v0, v1, v2, v;
|
||||
|
||||
LIN_SDT_PROBE2(mib, linux_map_osrel, entry, osrelease, osrel);
|
||||
|
||||
len = strlen(osrelease);
|
||||
eosrelease = osrelease + len;
|
||||
v0 = strtol(osrelease, &sep, 10);
|
||||
if (osrelease == sep || sep + 1 >= eosrelease || *sep != '.') {
|
||||
LIN_SDT_PROBE1(mib, linux_map_osrel, return, EINVAL);
|
||||
if (osrelease == sep || sep + 1 >= eosrelease || *sep != '.')
|
||||
return (EINVAL);
|
||||
}
|
||||
osrelease = sep + 1;
|
||||
v1 = strtol(osrelease, &sep, 10);
|
||||
if (osrelease == sep || sep + 1 >= eosrelease || *sep != '.') {
|
||||
LIN_SDT_PROBE1(mib, linux_map_osrel, return, EINVAL);
|
||||
if (osrelease == sep || sep + 1 >= eosrelease || *sep != '.')
|
||||
return (EINVAL);
|
||||
}
|
||||
osrelease = sep + 1;
|
||||
v2 = strtol(osrelease, &sep, 10);
|
||||
if (osrelease == sep || sep != eosrelease) {
|
||||
LIN_SDT_PROBE1(mib, linux_map_osrel, return, EINVAL);
|
||||
if (osrelease == sep || sep != eosrelease)
|
||||
return (EINVAL);
|
||||
}
|
||||
|
||||
v = v0 * 1000000 + v1 * 1000 + v2;
|
||||
if (v < 1000000) {
|
||||
LIN_SDT_PROBE1(mib, linux_map_osrel, return, EINVAL);
|
||||
if (v < 1000000)
|
||||
return (EINVAL);
|
||||
}
|
||||
|
||||
*osrel = v;
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_map_osrel, return, 0);
|
||||
return (0);
|
||||
}
|
||||
|
||||
@ -278,8 +168,6 @@ linux_find_prison(struct prison *spr, struct prison **prp)
|
||||
struct prison *pr;
|
||||
struct linux_prison *lpr;
|
||||
|
||||
LIN_SDT_PROBE2(mib, linux_get_prison, entry, spr, prp);
|
||||
|
||||
if (!linux_osd_jail_slot)
|
||||
/* In case osd_register failed. */
|
||||
spr = &prison0;
|
||||
@ -294,7 +182,6 @@ linux_find_prison(struct prison *spr, struct prison **prp)
|
||||
}
|
||||
*prp = pr;
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_get_prison, return, lpr);
|
||||
return (lpr);
|
||||
}
|
||||
|
||||
@ -309,8 +196,6 @@ linux_alloc_prison(struct prison *pr, struct linux_prison **lprp)
|
||||
struct linux_prison *lpr, *nlpr;
|
||||
int error;
|
||||
|
||||
LIN_SDT_PROBE2(mib, linux_alloc_prison, entry, pr, lprp);
|
||||
|
||||
/* If this prison already has Linux info, return that. */
|
||||
error = 0;
|
||||
lpr = linux_find_prison(pr, &ppr);
|
||||
@ -344,7 +229,6 @@ linux_alloc_prison(struct prison *pr, struct linux_prison **lprp)
|
||||
else
|
||||
mtx_unlock(&pr->pr_mtx);
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_alloc_prison, return, error);
|
||||
return (error);
|
||||
}
|
||||
|
||||
@ -356,26 +240,16 @@ linux_prison_create(void *obj, void *data)
|
||||
{
|
||||
struct prison *pr = obj;
|
||||
struct vfsoptlist *opts = data;
|
||||
int jsys, error;
|
||||
int jsys;
|
||||
|
||||
LIN_SDT_PROBE2(mib, linux_prison_create, entry, obj, data);
|
||||
|
||||
error = vfs_copyopt(opts, "linux", &jsys, sizeof(jsys));
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_create, vfs_copyopt_error,
|
||||
error);
|
||||
} else if (jsys == JAIL_SYS_INHERIT) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_create, return, 0);
|
||||
if (vfs_copyopt(opts, "linux", &jsys, sizeof(jsys)) == 0 &&
|
||||
jsys == JAIL_SYS_INHERIT)
|
||||
return (0);
|
||||
}
|
||||
/*
|
||||
* Inherit a prison's initial values from its parent
|
||||
* (different from JAIL_SYS_INHERIT which also inherits changes).
|
||||
*/
|
||||
error = linux_alloc_prison(pr, NULL);
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_prison_create, return, error);
|
||||
return (error);
|
||||
return (linux_alloc_prison(pr, NULL));
|
||||
}
|
||||
|
||||
static int
|
||||
@ -385,80 +259,46 @@ linux_prison_check(void *obj __unused, void *data)
|
||||
char *osname, *osrelease;
|
||||
int error, jsys, len, osrel, oss_version;
|
||||
|
||||
LIN_SDT_PROBE2(mib, linux_prison_check, entry, obj, data);
|
||||
|
||||
/* Check that the parameters are correct. */
|
||||
error = vfs_copyopt(opts, "linux", &jsys, sizeof(jsys));
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, vfs_copyopt_error,
|
||||
error);
|
||||
}
|
||||
if (error != ENOENT) {
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, return, error);
|
||||
if (error != 0)
|
||||
return (error);
|
||||
}
|
||||
if (jsys != JAIL_SYS_NEW && jsys != JAIL_SYS_INHERIT) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, return, EINVAL);
|
||||
if (jsys != JAIL_SYS_NEW && jsys != JAIL_SYS_INHERIT)
|
||||
return (EINVAL);
|
||||
}
|
||||
}
|
||||
error = vfs_getopt(opts, "linux.osname", (void **)&osname, &len);
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, vfs_getopt_error,
|
||||
error);
|
||||
}
|
||||
if (error != ENOENT) {
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, return, error);
|
||||
if (error != 0)
|
||||
return (error);
|
||||
}
|
||||
if (len == 0 || osname[len - 1] != '\0') {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, return, EINVAL);
|
||||
if (len == 0 || osname[len - 1] != '\0')
|
||||
return (EINVAL);
|
||||
}
|
||||
if (len > LINUX_MAX_UTSNAME) {
|
||||
vfs_opterror(opts, "linux.osname too long");
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, return,
|
||||
ENAMETOOLONG);
|
||||
return (ENAMETOOLONG);
|
||||
}
|
||||
}
|
||||
error = vfs_getopt(opts, "linux.osrelease", (void **)&osrelease, &len);
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, vfs_getopt_error,
|
||||
error);
|
||||
}
|
||||
if (error != ENOENT) {
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, return, error);
|
||||
if (error != 0)
|
||||
return (error);
|
||||
}
|
||||
if (len == 0 || osrelease[len - 1] != '\0') {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, return, EINVAL);
|
||||
if (len == 0 || osrelease[len - 1] != '\0')
|
||||
return (EINVAL);
|
||||
}
|
||||
if (len > LINUX_MAX_UTSNAME) {
|
||||
vfs_opterror(opts, "linux.osrelease too long");
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, return,
|
||||
ENAMETOOLONG);
|
||||
return (ENAMETOOLONG);
|
||||
}
|
||||
error = linux_map_osrel(osrelease, &osrel);
|
||||
if (error != 0) {
|
||||
vfs_opterror(opts, "linux.osrelease format error");
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, return, error);
|
||||
return (error);
|
||||
}
|
||||
}
|
||||
error = vfs_copyopt(opts, "linux.oss_version", &oss_version,
|
||||
sizeof(oss_version));
|
||||
if (error != 0)
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, vfs_copyopt_error, error);
|
||||
|
||||
if (error == ENOENT)
|
||||
error = 0;
|
||||
LIN_SDT_PROBE1(mib, linux_prison_check, return, error);
|
||||
return (error);
|
||||
}
|
||||
|
||||
@ -471,32 +311,22 @@ linux_prison_set(void *obj, void *data)
|
||||
char *osname, *osrelease;
|
||||
int error, gotversion, jsys, len, oss_version;
|
||||
|
||||
LIN_SDT_PROBE2(mib, linux_prison_set, entry, obj, data);
|
||||
|
||||
/* Set the parameters, which should be correct. */
|
||||
error = vfs_copyopt(opts, "linux", &jsys, sizeof(jsys));
|
||||
if (error != 0)
|
||||
LIN_SDT_PROBE1(mib, linux_prison_set, vfs_copyopt_error, error);
|
||||
if (error == ENOENT)
|
||||
jsys = -1;
|
||||
error = vfs_getopt(opts, "linux.osname", (void **)&osname, &len);
|
||||
if (error != 0)
|
||||
LIN_SDT_PROBE1(mib, linux_prison_set, vfs_getopt_error, error);
|
||||
if (error == ENOENT)
|
||||
osname = NULL;
|
||||
else
|
||||
jsys = JAIL_SYS_NEW;
|
||||
error = vfs_getopt(opts, "linux.osrelease", (void **)&osrelease, &len);
|
||||
if (error != 0)
|
||||
LIN_SDT_PROBE1(mib, linux_prison_set, vfs_getopt_error, error);
|
||||
if (error == ENOENT)
|
||||
osrelease = NULL;
|
||||
else
|
||||
jsys = JAIL_SYS_NEW;
|
||||
error = vfs_copyopt(opts, "linux.oss_version", &oss_version,
|
||||
sizeof(oss_version));
|
||||
if (error != 0)
|
||||
LIN_SDT_PROBE1(mib, linux_prison_set, vfs_copyopt_error, error);
|
||||
if (error == ENOENT)
|
||||
gotversion = 0;
|
||||
else {
|
||||
@ -518,15 +348,12 @@ linux_prison_set(void *obj, void *data)
|
||||
error = linux_alloc_prison(pr, &lpr);
|
||||
if (error) {
|
||||
mtx_unlock(&pr->pr_mtx);
|
||||
LIN_SDT_PROBE1(mib, linux_prison_set, return, error);
|
||||
return (error);
|
||||
}
|
||||
if (osrelease) {
|
||||
error = linux_map_osrel(osrelease, &lpr->pr_osrel);
|
||||
if (error) {
|
||||
mtx_unlock(&pr->pr_mtx);
|
||||
LIN_SDT_PROBE1(mib, linux_prison_set, return,
|
||||
error);
|
||||
return (error);
|
||||
}
|
||||
strlcpy(lpr->pr_osrelease, osrelease,
|
||||
@ -539,7 +366,6 @@ linux_prison_set(void *obj, void *data)
|
||||
mtx_unlock(&pr->pr_mtx);
|
||||
}
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_prison_set, return, 0);
|
||||
return (0);
|
||||
}
|
||||
|
||||
@ -562,74 +388,44 @@ linux_prison_get(void *obj, void *data)
|
||||
|
||||
static int version0;
|
||||
|
||||
LIN_SDT_PROBE2(mib, linux_prison_get, entry, obj, data);
|
||||
|
||||
/* See if this prison is the one with the Linux info. */
|
||||
lpr = linux_find_prison(pr, &ppr);
|
||||
i = (ppr == pr) ? JAIL_SYS_NEW : JAIL_SYS_INHERIT;
|
||||
error = vfs_setopt(opts, "linux", &i, sizeof(i));
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_get, vfs_setopt_error, error);
|
||||
if (error != ENOENT)
|
||||
goto done;
|
||||
}
|
||||
if (error != 0 && error != ENOENT)
|
||||
goto done;
|
||||
if (i) {
|
||||
error = vfs_setopts(opts, "linux.osname", lpr->pr_osname);
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_get, vfs_setopts_error,
|
||||
error);
|
||||
if (error != ENOENT)
|
||||
goto done;
|
||||
}
|
||||
if (error != 0 && error != ENOENT)
|
||||
goto done;
|
||||
error = vfs_setopts(opts, "linux.osrelease", lpr->pr_osrelease);
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_get, vfs_setopts_error,
|
||||
error);
|
||||
if (error != ENOENT)
|
||||
goto done;
|
||||
}
|
||||
if (error != 0 && error != ENOENT)
|
||||
goto done;
|
||||
error = vfs_setopt(opts, "linux.oss_version",
|
||||
&lpr->pr_oss_version, sizeof(lpr->pr_oss_version));
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_get, vfs_setopt_error,
|
||||
error);
|
||||
if(error != ENOENT)
|
||||
goto done;
|
||||
}
|
||||
if (error != 0 && error != ENOENT)
|
||||
goto done;
|
||||
} else {
|
||||
/*
|
||||
* If this prison is inheriting its Linux info, report
|
||||
* empty/zero parameters.
|
||||
*/
|
||||
error = vfs_setopts(opts, "linux.osname", "");
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_get, vfs_setopts_error,
|
||||
error);
|
||||
if(error != ENOENT)
|
||||
goto done;
|
||||
}
|
||||
if (error != 0 && error != ENOENT)
|
||||
goto done;
|
||||
error = vfs_setopts(opts, "linux.osrelease", "");
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_get, vfs_setopts_error,
|
||||
error);
|
||||
if(error != ENOENT)
|
||||
goto done;
|
||||
}
|
||||
if (error != 0 && error != ENOENT)
|
||||
goto done;
|
||||
error = vfs_setopt(opts, "linux.oss_version", &version0,
|
||||
sizeof(lpr->pr_oss_version));
|
||||
if (error != 0) {
|
||||
LIN_SDT_PROBE1(mib, linux_prison_get, vfs_setopt_error,
|
||||
error);
|
||||
if(error != ENOENT)
|
||||
goto done;
|
||||
}
|
||||
if (error != 0 && error != ENOENT)
|
||||
goto done;
|
||||
}
|
||||
error = 0;
|
||||
|
||||
done:
|
||||
mtx_unlock(&ppr->pr_mtx);
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_prison_get, return, error);
|
||||
return (error);
|
||||
}
|
||||
|
||||
@ -637,9 +433,7 @@ static void
|
||||
linux_prison_destructor(void *data)
|
||||
{
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_prison_destructor, entry, data);
|
||||
free(data, M_PRISON);
|
||||
LIN_SDT_PROBE0(mib, linux_prison_destructor, return);
|
||||
}
|
||||
|
||||
void
|
||||
@ -653,8 +447,6 @@ linux_osd_jail_register(void)
|
||||
[PR_METHOD_CHECK] = linux_prison_check
|
||||
};
|
||||
|
||||
LIN_SDT_PROBE0(mib, linux_osd_jail_register, entry);
|
||||
|
||||
linux_osd_jail_slot =
|
||||
osd_jail_register(linux_prison_destructor, methods);
|
||||
if (linux_osd_jail_slot > 0) {
|
||||
@ -664,20 +456,14 @@ linux_osd_jail_register(void)
|
||||
(void)linux_alloc_prison(pr, NULL);
|
||||
sx_xunlock(&allprison_lock);
|
||||
}
|
||||
|
||||
LIN_SDT_PROBE0(mib, linux_osd_jail_register, return);
|
||||
}
|
||||
|
||||
void
|
||||
linux_osd_jail_deregister(void)
|
||||
{
|
||||
|
||||
LIN_SDT_PROBE0(mib, linux_osd_jail_register, entry);
|
||||
|
||||
if (linux_osd_jail_slot)
|
||||
osd_jail_deregister(linux_osd_jail_slot);
|
||||
|
||||
LIN_SDT_PROBE0(mib, linux_osd_jail_register, return);
|
||||
}
|
||||
|
||||
void
|
||||
@ -686,13 +472,9 @@ linux_get_osname(struct thread *td, char *dst)
|
||||
struct prison *pr;
|
||||
struct linux_prison *lpr;
|
||||
|
||||
LIN_SDT_PROBE2(mib, linux_get_osname, entry, td, dst);
|
||||
|
||||
lpr = linux_find_prison(td->td_ucred->cr_prison, &pr);
|
||||
bcopy(lpr->pr_osname, dst, LINUX_MAX_UTSNAME);
|
||||
mtx_unlock(&pr->pr_mtx);
|
||||
|
||||
LIN_SDT_PROBE0(mib, linux_get_osname, return);
|
||||
}
|
||||
|
||||
static int
|
||||
@ -701,13 +483,10 @@ linux_set_osname(struct thread *td, char *osname)
|
||||
struct prison *pr;
|
||||
struct linux_prison *lpr;
|
||||
|
||||
LIN_SDT_PROBE2(mib, linux_set_osname, entry, td, osname);
|
||||
|
||||
lpr = linux_find_prison(td->td_ucred->cr_prison, &pr);
|
||||
strlcpy(lpr->pr_osname, osname, LINUX_MAX_UTSNAME);
|
||||
mtx_unlock(&pr->pr_mtx);
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_set_osname, return, 0);
|
||||
return (0);
|
||||
}
|
||||
|
||||
@ -717,13 +496,9 @@ linux_get_osrelease(struct thread *td, char *dst)
|
||||
struct prison *pr;
|
||||
struct linux_prison *lpr;
|
||||
|
||||
LIN_SDT_PROBE2(mib, linux_get_osrelease, entry, td, dst);
|
||||
|
||||
lpr = linux_find_prison(td->td_ucred->cr_prison, &pr);
|
||||
bcopy(lpr->pr_osrelease, dst, LINUX_MAX_UTSNAME);
|
||||
mtx_unlock(&pr->pr_mtx);
|
||||
|
||||
LIN_SDT_PROBE0(mib, linux_get_osrelease, return);
|
||||
}
|
||||
|
||||
int
|
||||
@ -733,13 +508,10 @@ linux_kernver(struct thread *td)
|
||||
struct linux_prison *lpr;
|
||||
int osrel;
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_kernver, entry, td);
|
||||
|
||||
lpr = linux_find_prison(td->td_ucred->cr_prison, &pr);
|
||||
osrel = lpr->pr_osrel;
|
||||
mtx_unlock(&pr->pr_mtx);
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_kernver, return, osrel);
|
||||
return (osrel);
|
||||
}
|
||||
|
||||
@ -750,15 +522,12 @@ linux_set_osrelease(struct thread *td, char *osrelease)
|
||||
struct linux_prison *lpr;
|
||||
int error;
|
||||
|
||||
LIN_SDT_PROBE2(mib, linux_set_osrelease, entry, td, osrelease);
|
||||
|
||||
lpr = linux_find_prison(td->td_ucred->cr_prison, &pr);
|
||||
error = linux_map_osrel(osrelease, &lpr->pr_osrel);
|
||||
if (error == 0)
|
||||
strlcpy(lpr->pr_osrelease, osrelease, LINUX_MAX_UTSNAME);
|
||||
mtx_unlock(&pr->pr_mtx);
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_set_osrelease, return, error);
|
||||
return (error);
|
||||
}
|
||||
|
||||
@ -769,13 +538,10 @@ linux_get_oss_version(struct thread *td)
|
||||
struct linux_prison *lpr;
|
||||
int version;
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_get_oss_version, entry, td);
|
||||
|
||||
lpr = linux_find_prison(td->td_ucred->cr_prison, &pr);
|
||||
version = lpr->pr_oss_version;
|
||||
mtx_unlock(&pr->pr_mtx);
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_get_oss_version, return, version);
|
||||
return (version);
|
||||
}
|
||||
|
||||
@ -785,74 +551,9 @@ linux_set_oss_version(struct thread *td, int oss_version)
|
||||
struct prison *pr;
|
||||
struct linux_prison *lpr;
|
||||
|
||||
LIN_SDT_PROBE2(mib, linux_set_oss_version, entry, td, oss_version);
|
||||
|
||||
lpr = linux_find_prison(td->td_ucred->cr_prison, &pr);
|
||||
lpr->pr_oss_version = oss_version;
|
||||
mtx_unlock(&pr->pr_mtx);
|
||||
|
||||
LIN_SDT_PROBE1(mib, linux_set_oss_version, return, 0);
|
||||
return (0);
|
||||
}
|
||||
|
||||
#if defined(DEBUG) || defined(KTR)
|
||||
/* XXX: can be removed when every ldebug(...) and KTR stuff are removed. */
|
||||
|
||||
u_char linux_debug_map[howmany(LINUX_SYS_MAXSYSCALL, sizeof(u_char))];
|
||||
|
||||
static int
|
||||
linux_debug(int syscall, int toggle, int global)
|
||||
{
|
||||
|
||||
if (global) {
|
||||
char c = toggle ? 0 : 0xff;
|
||||
|
||||
memset(linux_debug_map, c, sizeof(linux_debug_map));
|
||||
return (0);
|
||||
}
|
||||
if (syscall < 0 || syscall >= LINUX_SYS_MAXSYSCALL)
|
||||
return (EINVAL);
|
||||
if (toggle)
|
||||
clrbit(linux_debug_map, syscall);
|
||||
else
|
||||
setbit(linux_debug_map, syscall);
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Usage: sysctl linux.debug=<syscall_nr>.<0/1>
|
||||
*
|
||||
* E.g.: sysctl linux.debug=21.0
|
||||
*
|
||||
* As a special case, syscall "all" will apply to all syscalls globally.
|
||||
*/
|
||||
#define LINUX_MAX_DEBUGSTR 16
|
||||
static int
|
||||
linux_sysctl_debug(SYSCTL_HANDLER_ARGS)
|
||||
{
|
||||
char value[LINUX_MAX_DEBUGSTR], *p;
|
||||
int error, sysc, toggle;
|
||||
int global = 0;
|
||||
|
||||
value[0] = '\0';
|
||||
error = sysctl_handle_string(oidp, value, LINUX_MAX_DEBUGSTR, req);
|
||||
if (error || req->newptr == NULL)
|
||||
return (error);
|
||||
for (p = value; *p != '\0' && *p != '.'; p++);
|
||||
if (*p == '\0')
|
||||
return (EINVAL);
|
||||
*p++ = '\0';
|
||||
sysc = strtol(value, NULL, 0);
|
||||
toggle = strtol(p, NULL, 0);
|
||||
if (strcmp(value, "all") == 0)
|
||||
global = 1;
|
||||
error = linux_debug(sysc, toggle, global);
|
||||
return (error);
|
||||
}
|
||||
|
||||
SYSCTL_PROC(_compat_linux, OID_AUTO, debug,
|
||||
CTLTYPE_STRING | CTLFLAG_RW,
|
||||
0, 0, linux_sysctl_debug, "A",
|
||||
"Linux debugging control");
|
||||
|
||||
#endif /* DEBUG || KTR */
|
||||
|
@ -31,6 +31,10 @@
|
||||
#ifndef _LINUX_MIB_H_
|
||||
#define _LINUX_MIB_H_
|
||||
|
||||
#ifdef SYSCTL_DECL
|
||||
SYSCTL_DECL(_compat_linux);
|
||||
#endif
|
||||
|
||||
void linux_osd_jail_register(void);
|
||||
void linux_osd_jail_deregister(void);
|
||||
|
||||
|
@ -2195,6 +2195,63 @@ linux_pselect6(struct thread *td, struct linux_pselect6_args *args)
|
||||
return (error);
|
||||
}
|
||||
|
||||
#if defined(DEBUG) || defined(KTR)
|
||||
/* XXX: can be removed when every ldebug(...) and KTR stuff are removed. */
|
||||
|
||||
u_char linux_debug_map[howmany(LINUX_SYS_MAXSYSCALL, sizeof(u_char))];
|
||||
|
||||
static int
|
||||
linux_debug(int syscall, int toggle, int global)
|
||||
{
|
||||
|
||||
if (global) {
|
||||
char c = toggle ? 0 : 0xff;
|
||||
|
||||
memset(linux_debug_map, c, sizeof(linux_debug_map));
|
||||
return (0);
|
||||
}
|
||||
if (syscall < 0 || syscall >= LINUX_SYS_MAXSYSCALL)
|
||||
return (EINVAL);
|
||||
if (toggle)
|
||||
clrbit(linux_debug_map, syscall);
|
||||
else
|
||||
setbit(linux_debug_map, syscall);
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Usage: sysctl linux.debug=<syscall_nr>.<0/1>
|
||||
*
|
||||
* E.g.: sysctl linux.debug=21.0
|
||||
*
|
||||
* As a special case, syscall "all" will apply to all syscalls globally.
|
||||
*/
|
||||
#define LINUX_MAX_DEBUGSTR 16
|
||||
int
|
||||
linux_sysctl_debug(SYSCTL_HANDLER_ARGS)
|
||||
{
|
||||
char value[LINUX_MAX_DEBUGSTR], *p;
|
||||
int error, sysc, toggle;
|
||||
int global = 0;
|
||||
|
||||
value[0] = '\0';
|
||||
error = sysctl_handle_string(oidp, value, LINUX_MAX_DEBUGSTR, req);
|
||||
if (error || req->newptr == NULL)
|
||||
return (error);
|
||||
for (p = value; *p != '\0' && *p != '.'; p++);
|
||||
if (*p == '\0')
|
||||
return (EINVAL);
|
||||
*p++ = '\0';
|
||||
sysc = strtol(value, NULL, 0);
|
||||
toggle = strtol(p, NULL, 0);
|
||||
if (strcmp(value, "all") == 0)
|
||||
global = 1;
|
||||
error = linux_debug(sysc, toggle, global);
|
||||
return (error);
|
||||
}
|
||||
|
||||
#endif /* DEBUG || KTR */
|
||||
|
||||
int
|
||||
linux_sched_rr_get_interval(struct thread *td,
|
||||
struct linux_sched_rr_get_interval_args *uap)
|
||||
|
@ -31,6 +31,8 @@
|
||||
#ifndef _LINUX_MISC_H_
|
||||
#define _LINUX_MISC_H_
|
||||
|
||||
#include <sys/sysctl.h>
|
||||
|
||||
/*
|
||||
* Miscellaneous
|
||||
*/
|
||||
@ -139,4 +141,6 @@ int linux_set_upcall_kse(struct thread *td, register_t stack);
|
||||
int linux_set_cloned_tls(struct thread *td, void *desc);
|
||||
struct thread *linux_tdfind(struct thread *, lwpid_t, pid_t);
|
||||
|
||||
int linux_sysctl_debug(SYSCTL_HANDLER_ARGS);
|
||||
|
||||
#endif /* _LINUX_MISC_H_ */
|
||||
|
@ -53,48 +53,11 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/stdarg.h>
|
||||
|
||||
#include <compat/linux/linux_util.h>
|
||||
#ifdef COMPAT_LINUX32
|
||||
#include <machine/../linux32/linux.h>
|
||||
#else
|
||||
#include <machine/../linux/linux.h>
|
||||
#endif
|
||||
|
||||
#include <compat/linux/linux_dtrace.h>
|
||||
MALLOC_DEFINE(M_LINUX, "linux", "Linux mode structures");
|
||||
|
||||
const char linux_emul_path[] = "/compat/linux";
|
||||
|
||||
/* DTrace init */
|
||||
LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
|
||||
|
||||
/**
|
||||
* DTrace probes in this module.
|
||||
*/
|
||||
LIN_SDT_PROBE_DEFINE5(util, linux_emul_convpath, entry, "const char *",
|
||||
"enum uio_seg", "char **", "int", "int");
|
||||
LIN_SDT_PROBE_DEFINE1(util, linux_emul_convpath, return, "int");
|
||||
LIN_SDT_PROBE_DEFINE1(util, linux_msg, entry, "const char *");
|
||||
LIN_SDT_PROBE_DEFINE0(util, linux_msg, return);
|
||||
LIN_SDT_PROBE_DEFINE2(util, linux_driver_get_name_dev, entry, "device_t",
|
||||
"const char *");
|
||||
LIN_SDT_PROBE_DEFINE0(util, linux_driver_get_name_dev, nullcall);
|
||||
LIN_SDT_PROBE_DEFINE1(util, linux_driver_get_name_dev, return, "char *");
|
||||
LIN_SDT_PROBE_DEFINE3(util, linux_driver_get_major_minor, entry, "char *",
|
||||
"int *", "int *");
|
||||
LIN_SDT_PROBE_DEFINE0(util, linux_driver_get_major_minor, nullcall);
|
||||
LIN_SDT_PROBE_DEFINE1(util, linux_driver_get_major_minor, notfound, "char *");
|
||||
LIN_SDT_PROBE_DEFINE3(util, linux_driver_get_major_minor, return, "int",
|
||||
"int", "int");
|
||||
LIN_SDT_PROBE_DEFINE0(util, linux_get_char_devices, entry);
|
||||
LIN_SDT_PROBE_DEFINE1(util, linux_get_char_devices, return, "char *");
|
||||
LIN_SDT_PROBE_DEFINE1(util, linux_free_get_char_devices, entry, "char *");
|
||||
LIN_SDT_PROBE_DEFINE0(util, linux_free_get_char_devices, return);
|
||||
LIN_SDT_PROBE_DEFINE1(util, linux_device_register_handler, entry,
|
||||
"struct linux_device_handler *");
|
||||
LIN_SDT_PROBE_DEFINE1(util, linux_device_register_handler, return, "int");
|
||||
LIN_SDT_PROBE_DEFINE1(util, linux_device_unregister_handler, entry,
|
||||
"struct linux_device_handler *");
|
||||
LIN_SDT_PROBE_DEFINE1(util, linux_device_unregister_handler, return, "int");
|
||||
|
||||
/*
|
||||
* Search an alternate path before passing pathname arguments on to
|
||||
* system calls. Useful for keeping a separate 'emulation tree'.
|
||||
@ -108,13 +71,9 @@ linux_emul_convpath(struct thread *td, const char *path, enum uio_seg pathseg,
|
||||
{
|
||||
int retval;
|
||||
|
||||
LIN_SDT_PROBE5(util, linux_emul_convpath, entry, path, pathseg, pbuf,
|
||||
cflag, dfd);
|
||||
|
||||
retval = kern_alternate_path(td, linux_emul_path, path, pathseg, pbuf,
|
||||
cflag, dfd);
|
||||
|
||||
LIN_SDT_PROBE1(util, linux_emul_convpath, return, retval);
|
||||
return (retval);
|
||||
}
|
||||
|
||||
@ -124,16 +83,12 @@ linux_msg(const struct thread *td, const char *fmt, ...)
|
||||
va_list ap;
|
||||
struct proc *p;
|
||||
|
||||
LIN_SDT_PROBE1(util, linux_msg, entry, fmt);
|
||||
|
||||
p = td->td_proc;
|
||||
printf("linux: pid %d (%s): ", (int)p->p_pid, p->p_comm);
|
||||
va_start(ap, fmt);
|
||||
vprintf(fmt, ap);
|
||||
va_end(ap);
|
||||
printf("\n");
|
||||
|
||||
LIN_SDT_PROBE0(util, linux_msg, return);
|
||||
}
|
||||
|
||||
struct device_element
|
||||
@ -156,24 +111,14 @@ linux_driver_get_name_dev(device_t dev)
|
||||
struct device_element *de;
|
||||
const char *device_name = device_get_name(dev);
|
||||
|
||||
LIN_SDT_PROBE2(util, linux_driver_get_name_dev, entry, dev,
|
||||
device_name);
|
||||
|
||||
if (device_name == NULL) {
|
||||
LIN_SDT_PROBE0(util, linux_driver_get_name_dev, nullcall);
|
||||
LIN_SDT_PROBE1(util, linux_driver_get_name_dev, return, NULL);
|
||||
if (device_name == NULL)
|
||||
return NULL;
|
||||
}
|
||||
TAILQ_FOREACH(de, &devices, list) {
|
||||
if (strcmp(device_name, de->entry.bsd_driver_name) == 0) {
|
||||
LIN_SDT_PROBE1(util, linux_driver_get_name_dev, return,
|
||||
de->entry.linux_driver_name);
|
||||
if (strcmp(device_name, de->entry.bsd_driver_name) == 0)
|
||||
return (de->entry.linux_driver_name);
|
||||
}
|
||||
}
|
||||
|
||||
LIN_SDT_PROBE1(util, linux_driver_get_name_dev, return, NULL);
|
||||
return NULL;
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
int
|
||||
@ -181,15 +126,8 @@ linux_driver_get_major_minor(const char *node, int *major, int *minor)
|
||||
{
|
||||
struct device_element *de;
|
||||
|
||||
LIN_SDT_PROBE3(util, linux_driver_get_major_minor, entry, node, major,
|
||||
minor);
|
||||
|
||||
if (node == NULL || major == NULL || minor == NULL) {
|
||||
LIN_SDT_PROBE0(util, linux_driver_get_major_minor, nullcall);
|
||||
LIN_SDT_PROBE3(util, linux_driver_get_major_minor, return, 1,
|
||||
0, 0);
|
||||
if (node == NULL || major == NULL || minor == NULL)
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (strlen(node) > strlen("pts/") &&
|
||||
strncmp(node, "pts/", strlen("pts/")) == 0) {
|
||||
@ -204,25 +142,18 @@ linux_driver_get_major_minor(const char *node, int *major, int *minor)
|
||||
*major = 136 + (devno / 256);
|
||||
*minor = devno % 256;
|
||||
|
||||
LIN_SDT_PROBE3(util, linux_driver_get_major_minor, return, 0,
|
||||
*major, *minor);
|
||||
return 0;
|
||||
return (0);
|
||||
}
|
||||
|
||||
TAILQ_FOREACH(de, &devices, list) {
|
||||
if (strcmp(node, de->entry.bsd_device_name) == 0) {
|
||||
*major = de->entry.linux_major;
|
||||
*minor = de->entry.linux_minor;
|
||||
|
||||
LIN_SDT_PROBE3(util, linux_driver_get_major_minor,
|
||||
return, 0, *major, *minor);
|
||||
return 0;
|
||||
return (0);
|
||||
}
|
||||
}
|
||||
|
||||
LIN_SDT_PROBE1(util, linux_driver_get_major_minor, notfound, node);
|
||||
LIN_SDT_PROBE3(util, linux_driver_get_major_minor, return, 1, 0, 0);
|
||||
return 1;
|
||||
return (1);
|
||||
}
|
||||
|
||||
char *
|
||||
@ -233,8 +164,6 @@ linux_get_char_devices()
|
||||
char formated[256];
|
||||
int current_size = 0, string_size = 1024;
|
||||
|
||||
LIN_SDT_PROBE0(util, linux_get_char_devices, entry);
|
||||
|
||||
string = malloc(string_size, M_LINUX, M_WAITOK);
|
||||
string[0] = '\000';
|
||||
last = "";
|
||||
@ -261,19 +190,14 @@ linux_get_char_devices()
|
||||
}
|
||||
}
|
||||
|
||||
LIN_SDT_PROBE1(util, linux_get_char_devices, return, string);
|
||||
return string;
|
||||
return (string);
|
||||
}
|
||||
|
||||
void
|
||||
linux_free_get_char_devices(char *string)
|
||||
{
|
||||
|
||||
LIN_SDT_PROBE1(util, linux_get_char_devices, entry, string);
|
||||
|
||||
free(string, M_LINUX);
|
||||
|
||||
LIN_SDT_PROBE0(util, linux_get_char_devices, return);
|
||||
}
|
||||
|
||||
static int linux_major_starting = 200;
|
||||
@ -283,13 +207,8 @@ linux_device_register_handler(struct linux_device_handler *d)
|
||||
{
|
||||
struct device_element *de;
|
||||
|
||||
LIN_SDT_PROBE1(util, linux_device_register_handler, entry, d);
|
||||
|
||||
if (d == NULL) {
|
||||
LIN_SDT_PROBE1(util, linux_device_register_handler, return,
|
||||
EINVAL);
|
||||
if (d == NULL)
|
||||
return (EINVAL);
|
||||
}
|
||||
|
||||
de = malloc(sizeof(*de), M_LINUX, M_WAITOK);
|
||||
if (d->linux_major < 0) {
|
||||
@ -300,7 +219,6 @@ linux_device_register_handler(struct linux_device_handler *d)
|
||||
/* Add the element to the list, sorted on span. */
|
||||
TAILQ_INSERT_TAIL(&devices, de, list);
|
||||
|
||||
LIN_SDT_PROBE1(util, linux_device_register_handler, return, 0);
|
||||
return (0);
|
||||
}
|
||||
|
||||
@ -309,25 +227,17 @@ linux_device_unregister_handler(struct linux_device_handler *d)
|
||||
{
|
||||
struct device_element *de;
|
||||
|
||||
LIN_SDT_PROBE1(util, linux_device_unregister_handler, entry, d);
|
||||
|
||||
if (d == NULL) {
|
||||
LIN_SDT_PROBE1(util, linux_device_unregister_handler, return,
|
||||
EINVAL);
|
||||
if (d == NULL)
|
||||
return (EINVAL);
|
||||
}
|
||||
|
||||
TAILQ_FOREACH(de, &devices, list) {
|
||||
if (bcmp(d, &de->entry, sizeof(*d)) == 0) {
|
||||
TAILQ_REMOVE(&devices, de, list);
|
||||
free(de, M_LINUX);
|
||||
|
||||
LIN_SDT_PROBE1(util, linux_device_unregister_handler,
|
||||
return, 0);
|
||||
return (0);
|
||||
}
|
||||
}
|
||||
|
||||
LIN_SDT_PROBE1(util, linux_device_unregister_handler, return, EINVAL);
|
||||
return (EINVAL);
|
||||
}
|
||||
|
@ -44,6 +44,8 @@
|
||||
#include <sys/cdefs.h>
|
||||
#include <sys/uio.h>
|
||||
|
||||
MALLOC_DECLARE(M_LINUX);
|
||||
|
||||
extern const char linux_emul_path[];
|
||||
|
||||
int linux_emul_convpath(struct thread *, const char *, enum uio_seg, char **, int, int);
|
||||
|
@ -540,6 +540,7 @@ compat/linux/linux_timer.c optional compat_linux32
|
||||
compat/linux/linux_uid16.c optional compat_linux32
|
||||
compat/linux/linux_util.c optional compat_linux32
|
||||
compat/linux/linux_vdso.c optional compat_linux32
|
||||
compat/linux/linux_common.c optional compat_linux32
|
||||
dev/amr/amr_linux.c optional compat_linux32 amr
|
||||
dev/mfi/mfi_linux.c optional compat_linux32 mfi
|
||||
#
|
||||
|
@ -46,10 +46,6 @@ extern u_char linux_debug_map[];
|
||||
(long)td->td_proc->p_pid, (long)td->td_tid
|
||||
#define LINUX_DTRACE linuxulator
|
||||
|
||||
#ifdef MALLOC_DECLARE
|
||||
MALLOC_DECLARE(M_LINUX);
|
||||
#endif
|
||||
|
||||
#define LINUX_SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE)
|
||||
#define LINUX_USRSTACK LINUX_SHAREDPAGE
|
||||
|
||||
|
@ -44,6 +44,7 @@ __FBSDID("$FreeBSD$");
|
||||
#include <sys/proc.h>
|
||||
#include <sys/signalvar.h>
|
||||
#include <sys/syscallsubr.h>
|
||||
#include <sys/sysctl.h>
|
||||
#include <sys/sysent.h>
|
||||
#include <sys/sysproto.h>
|
||||
#include <sys/vnode.h>
|
||||
@ -75,14 +76,19 @@ __FBSDID("$FreeBSD$");
|
||||
|
||||
MODULE_VERSION(linux, 1);
|
||||
|
||||
MALLOC_DEFINE(M_LINUX, "linux", "Linux mode structures");
|
||||
|
||||
#if BYTE_ORDER == LITTLE_ENDIAN
|
||||
#define SHELLMAGIC 0x2123 /* #! */
|
||||
#else
|
||||
#define SHELLMAGIC 0x2321
|
||||
#endif
|
||||
|
||||
#if defined(DEBUG)
|
||||
SYSCTL_PROC(_compat_linux, OID_AUTO, debug,
|
||||
CTLTYPE_STRING | CTLFLAG_RW,
|
||||
0, 0, linux_sysctl_debug, "A",
|
||||
"Linux debugging control");
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Allow the sendsig functions to use the ldebug() facility
|
||||
* even though they are not syscalls themselves. Map them
|
||||
@ -103,7 +109,6 @@ extern char _binary_linux_locore_o_end;
|
||||
extern struct sysent linux_sysent[LINUX_SYS_MAXSYSCALL];
|
||||
|
||||
SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler);
|
||||
SET_DECLARE(linux_device_handler_set, struct linux_device_handler);
|
||||
|
||||
static int linux_fixup(register_t **stack_base,
|
||||
struct image_params *iparams);
|
||||
@ -1129,7 +1134,6 @@ linux_elf_modevent(module_t mod, int type, void *data)
|
||||
Elf32_Brandinfo **brandinfo;
|
||||
int error;
|
||||
struct linux_ioctl_handler **lihp;
|
||||
struct linux_device_handler **ldhp;
|
||||
|
||||
error = 0;
|
||||
|
||||
@ -1142,8 +1146,6 @@ linux_elf_modevent(module_t mod, int type, void *data)
|
||||
if (error == 0) {
|
||||
SET_FOREACH(lihp, linux_ioctl_handler_set)
|
||||
linux_ioctl_register_handler(*lihp);
|
||||
SET_FOREACH(ldhp, linux_device_handler_set)
|
||||
linux_device_register_handler(*ldhp);
|
||||
LIST_INIT(&futex_list);
|
||||
mtx_init(&futex_mtx, "ftllk", NULL, MTX_DEF);
|
||||
linux_exit_tag = EVENTHANDLER_REGISTER(process_exit, linux_proc_exit,
|
||||
@ -1176,8 +1178,6 @@ linux_elf_modevent(module_t mod, int type, void *data)
|
||||
if (error == 0) {
|
||||
SET_FOREACH(lihp, linux_ioctl_handler_set)
|
||||
linux_ioctl_unregister_handler(*lihp);
|
||||
SET_FOREACH(ldhp, linux_device_handler_set)
|
||||
linux_device_unregister_handler(*ldhp);
|
||||
mtx_destroy(&futex_mtx);
|
||||
EVENTHANDLER_DEREGISTER(process_exit, linux_exit_tag);
|
||||
EVENTHANDLER_DEREGISTER(process_exec, linux_exec_tag);
|
||||
|
@ -197,6 +197,7 @@ SUBDIR= \
|
||||
${_linprocfs} \
|
||||
${_linsysfs} \
|
||||
${_linux} \
|
||||
${_linux_common} \
|
||||
lmc \
|
||||
lpt \
|
||||
mac_biba \
|
||||
@ -799,6 +800,7 @@ _viawd= viawd
|
||||
_virtio= virtio
|
||||
.if ${MK_BHYVE} != "no" || defined(ALL_MODULES)
|
||||
_vmm= vmm
|
||||
_linux_common= linux_common
|
||||
.endif
|
||||
_vxge= vxge
|
||||
_x86bios= x86bios
|
||||
|
@ -5,11 +5,6 @@
|
||||
KMOD= linprocfs
|
||||
SRCS= vnode_if.h \
|
||||
device_if.h bus_if.h \
|
||||
linprocfs.c \
|
||||
opt_compat.h
|
||||
|
||||
.if ${MACHINE_CPUARCH} == "amd64"
|
||||
CFLAGS+=-DCOMPAT_LINUX32
|
||||
.endif
|
||||
linprocfs.c
|
||||
|
||||
.include <bsd.kmod.mk>
|
||||
|
@ -5,11 +5,6 @@
|
||||
KMOD= linsysfs
|
||||
SRCS= vnode_if.h \
|
||||
device_if.h bus_if.h pci_if.h \
|
||||
linsysfs.c \
|
||||
opt_compat.h
|
||||
|
||||
.if ${MACHINE_CPUARCH} == "amd64"
|
||||
CFLAGS+=-DCOMPAT_LINUX32
|
||||
.endif
|
||||
linsysfs.c
|
||||
|
||||
.include <bsd.kmod.mk>
|
||||
|
@ -12,9 +12,9 @@ VDSO= linux${SFX}_vdso
|
||||
KMOD= linux
|
||||
SRCS= linux_fork.c linux${SFX}_dummy.c linux_emul.c linux_file.c \
|
||||
linux_futex.c linux_getcwd.c linux_ioctl.c linux_ipc.c \
|
||||
linux${SFX}_machdep.c linux_mib.c linux_misc.c linux_signal.c \
|
||||
linux${SFX}_machdep.c linux_misc.c linux_signal.c \
|
||||
linux_socket.c linux_stats.c linux_sysctl.c linux${SFX}_sysent.c \
|
||||
linux${SFX}_sysvec.c linux_uid16.c linux_util.c linux_time.c \
|
||||
linux${SFX}_sysvec.c linux_uid16.c linux_time.c \
|
||||
linux_timer.c linux_vdso.c \
|
||||
opt_inet6.h opt_compat.h opt_kdtrace.h opt_posix.h opt_usb.h \
|
||||
vnode_if.h device_if.h bus_if.h assym.s \
|
||||
@ -30,16 +30,17 @@ SRCS+= opt_apic.h
|
||||
OBJS= ${VDSO}.so
|
||||
|
||||
.if ${MACHINE_CPUARCH} == "i386"
|
||||
SRCS+= linux_ptrace.c imgact_linux.c opt_cpu.h
|
||||
SRCS+= linux_ptrace.c imgact_linux.c linux_util.c linux_mib.c opt_cpu.h
|
||||
.endif
|
||||
|
||||
.if ${MACHINE_CPUARCH} == "i386"
|
||||
EXPORT_SYMS=
|
||||
EXPORT_SYMS+= linux_emul_path
|
||||
EXPORT_SYMS+= linux_get_osname
|
||||
EXPORT_SYMS+= linux_get_osrelease
|
||||
EXPORT_SYMS+= linux_ifname
|
||||
EXPORT_SYMS+= linux_ioctl_register_handler
|
||||
EXPORT_SYMS+= linux_ioctl_unregister_handler
|
||||
.endif
|
||||
|
||||
CLEANFILES= linux${SFX}_assym.h linux${SFX}_genassym.o linux${SFX}_locore.o
|
||||
|
||||
|
25
sys/modules/linux_common/Makefile
Normal file
25
sys/modules/linux_common/Makefile
Normal file
@ -0,0 +1,25 @@
|
||||
# $FreeBSD$
|
||||
|
||||
.PATH: ${.CURDIR}/../../compat/linux
|
||||
|
||||
KMOD= linux_common
|
||||
SRCS= linux_common.c linux_mib.c linux_util.c \
|
||||
opt_compat.h device_if.h vnode_if.h bus_if.h
|
||||
|
||||
EXPORT_SYMS=
|
||||
EXPORT_SYMS+= linux_emul_path
|
||||
EXPORT_SYMS+= linux_ioctl_register_handler
|
||||
EXPORT_SYMS+= linux_ioctl_unregister_handler
|
||||
EXPORT_SYMS+= linux_get_osname
|
||||
EXPORT_SYMS+= linux_get_osrelease
|
||||
|
||||
.if !defined(KERNBUILDDIR)
|
||||
.if defined(DEBUG)
|
||||
CFLAGS+=-DDEBUG
|
||||
.endif
|
||||
.if defined(KTR)
|
||||
CFLAGS+=-DKTR
|
||||
.endif
|
||||
.endif
|
||||
|
||||
.include <bsd.kmod.mk>
|
Loading…
Reference in New Issue
Block a user