| linux32_sysvec.c (283411) | linux32_sysvec.c (283421) |
|---|---|
| 1/*- 2 * Copyright (c) 2004 Tim J. Robbins 3 * Copyright (c) 2003 Peter Wemm 4 * Copyright (c) 2002 Doug Rabson 5 * Copyright (c) 1998-1999 Andrew Gallatin 6 * Copyright (c) 1994-1996 S��ren Schmidt 7 * All rights reserved. 8 * --- 17 unchanged lines hidden (view full) --- 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2004 Tim J. Robbins 3 * Copyright (c) 2003 Peter Wemm 4 * Copyright (c) 2002 Doug Rabson 5 * Copyright (c) 1998-1999 Andrew Gallatin 6 * Copyright (c) 1994-1996 S��ren Schmidt 7 * All rights reserved. 8 * --- 17 unchanged lines hidden (view full) --- 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> |
| 34__FBSDID("$FreeBSD: head/sys/amd64/linux32/linux32_sysvec.c 283411 2015-05-24 15:32:52Z dchagin $"); | 34__FBSDID("$FreeBSD: head/sys/amd64/linux32/linux32_sysvec.c 283421 2015-05-24 15:51:18Z dchagin $"); |
| 35#include "opt_compat.h" 36 37#ifndef COMPAT_FREEBSD32 38#error "Unable to compile Linux-emulator due to missing COMPAT_FREEBSD32 option!" 39#endif 40 41#define __ELF_WORD_SIZE 32 42 --- 39 unchanged lines hidden (view full) --- 82#include <compat/linux/linux_mib.h> 83#include <compat/linux/linux_misc.h> 84#include <compat/linux/linux_signal.h> 85#include <compat/linux/linux_util.h> 86#include <compat/linux/linux_vdso.h> 87 88MODULE_VERSION(linux, 1); 89 | 35#include "opt_compat.h" 36 37#ifndef COMPAT_FREEBSD32 38#error "Unable to compile Linux-emulator due to missing COMPAT_FREEBSD32 option!" 39#endif 40 41#define __ELF_WORD_SIZE 32 42 --- 39 unchanged lines hidden (view full) --- 82#include <compat/linux/linux_mib.h> 83#include <compat/linux/linux_misc.h> 84#include <compat/linux/linux_signal.h> 85#include <compat/linux/linux_util.h> 86#include <compat/linux/linux_vdso.h> 87 88MODULE_VERSION(linux, 1); 89 |
| 90MALLOC_DEFINE(M_LINUX, "linux", "Linux mode structures"); 91 | |
| 92#define AUXARGS_ENTRY_32(pos, id, val) \ 93 do { \ 94 suword32(pos++, id); \ 95 suword32(pos++, val); \ 96 } while (0) 97 98#if BYTE_ORDER == LITTLE_ENDIAN 99#define SHELLMAGIC 0x2123 /* #! */ --- 15 unchanged lines hidden (view full) --- 115static vm_object_t linux_shared_page_obj; 116static char *linux_shared_page_mapping; 117extern char _binary_linux32_locore_o_start; 118extern char _binary_linux32_locore_o_end; 119 120extern struct sysent linux_sysent[LINUX_SYS_MAXSYSCALL]; 121 122SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler); | 90#define AUXARGS_ENTRY_32(pos, id, val) \ 91 do { \ 92 suword32(pos++, id); \ 93 suword32(pos++, val); \ 94 } while (0) 95 96#if BYTE_ORDER == LITTLE_ENDIAN 97#define SHELLMAGIC 0x2123 /* #! */ --- 15 unchanged lines hidden (view full) --- 113static vm_object_t linux_shared_page_obj; 114static char *linux_shared_page_mapping; 115extern char _binary_linux32_locore_o_start; 116extern char _binary_linux32_locore_o_end; 117 118extern struct sysent linux_sysent[LINUX_SYS_MAXSYSCALL]; 119 120SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler); |
| 123SET_DECLARE(linux_device_handler_set, struct linux_device_handler); | |
| 124 125static int elf_linux_fixup(register_t **stack_base, 126 struct image_params *iparams); 127static register_t *linux_copyout_strings(struct image_params *imgp); 128static void linux_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask); 129static void exec_linux_setregs(struct thread *td, 130 struct image_params *imgp, u_long stack); 131static void linux32_fixlimit(struct rlimit *rl, int which); --- 839 unchanged lines hidden (view full) --- 971 &linux32_maxdsiz, 0, ""); 972static u_long linux32_maxssiz = LINUX32_MAXSSIZ; 973SYSCTL_ULONG(_compat_linux32, OID_AUTO, maxssiz, CTLFLAG_RW, 974 &linux32_maxssiz, 0, ""); 975static u_long linux32_maxvmem = LINUX32_MAXVMEM; 976SYSCTL_ULONG(_compat_linux32, OID_AUTO, maxvmem, CTLFLAG_RW, 977 &linux32_maxvmem, 0, ""); 978 | 121 122static int elf_linux_fixup(register_t **stack_base, 123 struct image_params *iparams); 124static register_t *linux_copyout_strings(struct image_params *imgp); 125static void linux_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask); 126static void exec_linux_setregs(struct thread *td, 127 struct image_params *imgp, u_long stack); 128static void linux32_fixlimit(struct rlimit *rl, int which); --- 839 unchanged lines hidden (view full) --- 968 &linux32_maxdsiz, 0, ""); 969static u_long linux32_maxssiz = LINUX32_MAXSSIZ; 970SYSCTL_ULONG(_compat_linux32, OID_AUTO, maxssiz, CTLFLAG_RW, 971 &linux32_maxssiz, 0, ""); 972static u_long linux32_maxvmem = LINUX32_MAXVMEM; 973SYSCTL_ULONG(_compat_linux32, OID_AUTO, maxvmem, CTLFLAG_RW, 974 &linux32_maxvmem, 0, ""); 975 |
| 976#if defined(DEBUG) 977SYSCTL_PROC(_compat_linux32, OID_AUTO, debug, 978 CTLTYPE_STRING | CTLFLAG_RW, 979 0, 0, linux_sysctl_debug, "A", 980 "Linux debugging control"); 981#endif 982 |
|
| 979static void 980linux32_fixlimit(struct rlimit *rl, int which) 981{ 982 983 switch (which) { 984 case RLIMIT_DATA: 985 if (linux32_maxdsiz != 0) { 986 if (rl->rlim_cur > linux32_maxdsiz) --- 160 unchanged lines hidden (view full) --- 1147}; 1148 1149static int 1150linux_elf_modevent(module_t mod, int type, void *data) 1151{ 1152 Elf32_Brandinfo **brandinfo; 1153 int error; 1154 struct linux_ioctl_handler **lihp; | 983static void 984linux32_fixlimit(struct rlimit *rl, int which) 985{ 986 987 switch (which) { 988 case RLIMIT_DATA: 989 if (linux32_maxdsiz != 0) { 990 if (rl->rlim_cur > linux32_maxdsiz) --- 160 unchanged lines hidden (view full) --- 1151}; 1152 1153static int 1154linux_elf_modevent(module_t mod, int type, void *data) 1155{ 1156 Elf32_Brandinfo **brandinfo; 1157 int error; 1158 struct linux_ioctl_handler **lihp; |
| 1155 struct linux_device_handler **ldhp; | |
| 1156 1157 error = 0; 1158 1159 switch(type) { 1160 case MOD_LOAD: 1161 for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; 1162 ++brandinfo) 1163 if (elf32_insert_brand_entry(*brandinfo) < 0) 1164 error = EINVAL; 1165 if (error == 0) { 1166 SET_FOREACH(lihp, linux_ioctl_handler_set) 1167 linux_ioctl_register_handler(*lihp); | 1159 1160 error = 0; 1161 1162 switch(type) { 1163 case MOD_LOAD: 1164 for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; 1165 ++brandinfo) 1166 if (elf32_insert_brand_entry(*brandinfo) < 0) 1167 error = EINVAL; 1168 if (error == 0) { 1169 SET_FOREACH(lihp, linux_ioctl_handler_set) 1170 linux_ioctl_register_handler(*lihp); |
| 1168 SET_FOREACH(ldhp, linux_device_handler_set) 1169 linux_device_register_handler(*ldhp); | |
| 1170 LIST_INIT(&futex_list); 1171 mtx_init(&futex_mtx, "ftllk", NULL, MTX_DEF); 1172 linux_exit_tag = EVENTHANDLER_REGISTER(process_exit, 1173 linux_proc_exit, NULL, 1000); 1174 linux_exec_tag = EVENTHANDLER_REGISTER(process_exec, 1175 linux_proc_exec, NULL, 1000); 1176 linux_thread_dtor_tag = EVENTHANDLER_REGISTER(thread_dtor, 1177 linux_thread_dtor, NULL, EVENTHANDLER_PRI_ANY); | 1171 LIST_INIT(&futex_list); 1172 mtx_init(&futex_mtx, "ftllk", NULL, MTX_DEF); 1173 linux_exit_tag = EVENTHANDLER_REGISTER(process_exit, 1174 linux_proc_exit, NULL, 1000); 1175 linux_exec_tag = EVENTHANDLER_REGISTER(process_exec, 1176 linux_proc_exec, NULL, 1000); 1177 linux_thread_dtor_tag = EVENTHANDLER_REGISTER(thread_dtor, 1178 linux_thread_dtor, NULL, EVENTHANDLER_PRI_ANY); |
| 1178 linux_osd_jail_register(); | |
| 1179 stclohz = (stathz ? stathz : hz); 1180 if (bootverbose) 1181 printf("Linux ELF exec handler installed\n"); 1182 } else 1183 printf("cannot insert Linux ELF brand handler\n"); 1184 break; 1185 case MOD_UNLOAD: 1186 for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; --- 4 unchanged lines hidden (view full) --- 1191 for (brandinfo = &linux_brandlist[0]; 1192 *brandinfo != NULL; ++brandinfo) 1193 if (elf32_remove_brand_entry(*brandinfo) < 0) 1194 error = EINVAL; 1195 } 1196 if (error == 0) { 1197 SET_FOREACH(lihp, linux_ioctl_handler_set) 1198 linux_ioctl_unregister_handler(*lihp); | 1179 stclohz = (stathz ? stathz : hz); 1180 if (bootverbose) 1181 printf("Linux ELF exec handler installed\n"); 1182 } else 1183 printf("cannot insert Linux ELF brand handler\n"); 1184 break; 1185 case MOD_UNLOAD: 1186 for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; --- 4 unchanged lines hidden (view full) --- 1191 for (brandinfo = &linux_brandlist[0]; 1192 *brandinfo != NULL; ++brandinfo) 1193 if (elf32_remove_brand_entry(*brandinfo) < 0) 1194 error = EINVAL; 1195 } 1196 if (error == 0) { 1197 SET_FOREACH(lihp, linux_ioctl_handler_set) 1198 linux_ioctl_unregister_handler(*lihp); |
| 1199 SET_FOREACH(ldhp, linux_device_handler_set) 1200 linux_device_unregister_handler(*ldhp); | |
| 1201 mtx_destroy(&futex_mtx); 1202 EVENTHANDLER_DEREGISTER(process_exit, linux_exit_tag); 1203 EVENTHANDLER_DEREGISTER(process_exec, linux_exec_tag); 1204 EVENTHANDLER_DEREGISTER(thread_dtor, linux_thread_dtor_tag); | 1199 mtx_destroy(&futex_mtx); 1200 EVENTHANDLER_DEREGISTER(process_exit, linux_exit_tag); 1201 EVENTHANDLER_DEREGISTER(process_exec, linux_exec_tag); 1202 EVENTHANDLER_DEREGISTER(thread_dtor, linux_thread_dtor_tag); |
| 1205 linux_osd_jail_deregister(); | |
| 1206 if (bootverbose) 1207 printf("Linux ELF exec handler removed\n"); 1208 } else 1209 printf("Could not deinstall ELF interpreter entry\n"); 1210 break; 1211 default: 1212 return (EOPNOTSUPP); 1213 } 1214 return (error); 1215} 1216 1217static moduledata_t linux_elf_mod = { 1218 "linuxelf", 1219 linux_elf_modevent, 1220 0 1221}; 1222 1223DECLARE_MODULE_TIED(linuxelf, linux_elf_mod, SI_SUB_EXEC, SI_ORDER_ANY); | 1203 if (bootverbose) 1204 printf("Linux ELF exec handler removed\n"); 1205 } else 1206 printf("Could not deinstall ELF interpreter entry\n"); 1207 break; 1208 default: 1209 return (EOPNOTSUPP); 1210 } 1211 return (error); 1212} 1213 1214static moduledata_t linux_elf_mod = { 1215 "linuxelf", 1216 linux_elf_modevent, 1217 0 1218}; 1219 1220DECLARE_MODULE_TIED(linuxelf, linux_elf_mod, SI_SUB_EXEC, SI_ORDER_ANY); |
| 1221MODULE_DEPEND(linuxelf, linux_common, 1, 1, 1); |
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