Deleted Added
sdiff udiff text old ( 293495 ) new ( 293514 )
full compact
linux_sysvec.c (293495) linux_sysvec.c (293514)
1/*-
2 * Copyright (c) 1994-1996 S��ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 13 unchanged lines hidden (view full) ---

22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 1994-1996 S��ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 13 unchanged lines hidden (view full) ---

22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: stable/10/sys/i386/linux/linux_sysvec.c 293495 2016-01-09 15:18:36Z dchagin $");
30__FBSDID("$FreeBSD: stable/10/sys/i386/linux/linux_sysvec.c 293514 2016-01-09 15:44:38Z dchagin $");
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/exec.h>
35#include <sys/fcntl.h>
36#include <sys/imgact.h>
37#include <sys/imgact_aout.h>
38#include <sys/imgact_elf.h>

--- 27 unchanged lines hidden (view full) ---

66#include <i386/linux/linux_proto.h>
67#include <compat/linux/linux_emul.h>
68#include <compat/linux/linux_futex.h>
69#include <compat/linux/linux_ioctl.h>
70#include <compat/linux/linux_mib.h>
71#include <compat/linux/linux_misc.h>
72#include <compat/linux/linux_signal.h>
73#include <compat/linux/linux_util.h>
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/exec.h>
35#include <sys/fcntl.h>
36#include <sys/imgact.h>
37#include <sys/imgact_aout.h>
38#include <sys/imgact_elf.h>

--- 27 unchanged lines hidden (view full) ---

66#include <i386/linux/linux_proto.h>
67#include <compat/linux/linux_emul.h>
68#include <compat/linux/linux_futex.h>
69#include <compat/linux/linux_ioctl.h>
70#include <compat/linux/linux_mib.h>
71#include <compat/linux/linux_misc.h>
72#include <compat/linux/linux_signal.h>
73#include <compat/linux/linux_util.h>
74#include <compat/linux/linux_vdso.h>
74
75MODULE_VERSION(linux, 1);
76
77MALLOC_DEFINE(M_LINUX, "linux", "Linux mode structures");
78
79#if BYTE_ORDER == LITTLE_ENDIAN
80#define SHELLMAGIC 0x2123 /* #! */
81#else

--- 6 unchanged lines hidden (view full) ---

88 * to syscall 0. This is slightly less bogus than using
89 * ldebug(sigreturn).
90 */
91#define LINUX_SYS_linux_rt_sendsig 0
92#define LINUX_SYS_linux_sendsig 0
93
94#define LINUX_PS_STRINGS (LINUX_USRSTACK - sizeof(struct ps_strings))
95
75
76MODULE_VERSION(linux, 1);
77
78MALLOC_DEFINE(M_LINUX, "linux", "Linux mode structures");
79
80#if BYTE_ORDER == LITTLE_ENDIAN
81#define SHELLMAGIC 0x2123 /* #! */
82#else

--- 6 unchanged lines hidden (view full) ---

89 * to syscall 0. This is slightly less bogus than using
90 * ldebug(sigreturn).
91 */
92#define LINUX_SYS_linux_rt_sendsig 0
93#define LINUX_SYS_linux_sendsig 0
94
95#define LINUX_PS_STRINGS (LINUX_USRSTACK - sizeof(struct ps_strings))
96
96extern char linux_sigcode[];
97extern int linux_szsigcode;
97static int linux_szsigcode;
98static vm_object_t linux_shared_page_obj;
99static char *linux_shared_page_mapping;
100extern char _binary_linux_locore_o_start;
101extern char _binary_linux_locore_o_end;
98
99extern struct sysent linux_sysent[LINUX_SYS_MAXSYSCALL];
100
101SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler);
102SET_DECLARE(linux_device_handler_set, struct linux_device_handler);
103
104static int linux_fixup(register_t **stack_base,
105 struct image_params *iparams);
106static int elf_linux_fixup(register_t **stack_base,
107 struct image_params *iparams);
108static void linux_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask);
109static void exec_linux_setregs(struct thread *td,
110 struct image_params *imgp, u_long stack);
111static register_t *linux_copyout_strings(struct image_params *imgp);
112static boolean_t linux_trans_osrel(const Elf_Note *note, int32_t *osrel);
102
103extern struct sysent linux_sysent[LINUX_SYS_MAXSYSCALL];
104
105SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler);
106SET_DECLARE(linux_device_handler_set, struct linux_device_handler);
107
108static int linux_fixup(register_t **stack_base,
109 struct image_params *iparams);
110static int elf_linux_fixup(register_t **stack_base,
111 struct image_params *iparams);
112static void linux_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask);
113static void exec_linux_setregs(struct thread *td,
114 struct image_params *imgp, u_long stack);
115static register_t *linux_copyout_strings(struct image_params *imgp);
116static boolean_t linux_trans_osrel(const Elf_Note *note, int32_t *osrel);
117static void linux_vdso_install(void *param);
118static void linux_vdso_deinstall(void *param);
113
114static int linux_szplatform;
115const char *linux_platform;
116
117static eventhandler_tag linux_exit_tag;
118static eventhandler_tag linux_exec_tag;
119static eventhandler_tag linux_thread_dtor_tag;
120

--- 73 unchanged lines hidden (view full) ---

194 19, /* 29 T_XMMFLT */
195 15 /* 30 T_RESERVED */
196};
197#define bsd_to_linux_trapcode(code) \
198 ((code)<sizeof(_bsd_to_linux_trapcode)/sizeof(*_bsd_to_linux_trapcode)? \
199 _bsd_to_linux_trapcode[(code)]: \
200 LINUX_T_UNKNOWN)
201
119
120static int linux_szplatform;
121const char *linux_platform;
122
123static eventhandler_tag linux_exit_tag;
124static eventhandler_tag linux_exec_tag;
125static eventhandler_tag linux_thread_dtor_tag;
126

--- 73 unchanged lines hidden (view full) ---

200 19, /* 29 T_XMMFLT */
201 15 /* 30 T_RESERVED */
202};
203#define bsd_to_linux_trapcode(code) \
204 ((code)<sizeof(_bsd_to_linux_trapcode)/sizeof(*_bsd_to_linux_trapcode)? \
205 _bsd_to_linux_trapcode[(code)]: \
206 LINUX_T_UNKNOWN)
207
208LINUX_VDSO_SYM_INTPTR(linux_sigcode);
209LINUX_VDSO_SYM_INTPTR(linux_rt_sigcode);
210LINUX_VDSO_SYM_INTPTR(linux_vsyscall);
211
202/*
203 * If FreeBSD & Linux have a difference of opinion about what a trap
204 * means, deal with it here.
205 *
206 * MPSAFE
207 */
208static int
209translate_traps(int signal, int trap_code)

--- 40 unchanged lines hidden (view full) ---

250 ("unsafe elf_linux_fixup(), should be curproc"));
251
252 p = imgp->proc;
253 arginfo = (struct ps_strings *)p->p_sysent->sv_psstrings;
254 uplatform = (Elf32_Addr *)((caddr_t)arginfo - linux_szplatform);
255 args = (Elf32_Auxargs *)imgp->auxargs;
256 pos = *stack_base + (imgp->args->argc + imgp->args->envc + 2);
257
212/*
213 * If FreeBSD & Linux have a difference of opinion about what a trap
214 * means, deal with it here.
215 *
216 * MPSAFE
217 */
218static int
219translate_traps(int signal, int trap_code)

--- 40 unchanged lines hidden (view full) ---

260 ("unsafe elf_linux_fixup(), should be curproc"));
261
262 p = imgp->proc;
263 arginfo = (struct ps_strings *)p->p_sysent->sv_psstrings;
264 uplatform = (Elf32_Addr *)((caddr_t)arginfo - linux_szplatform);
265 args = (Elf32_Auxargs *)imgp->auxargs;
266 pos = *stack_base + (imgp->args->argc + imgp->args->envc + 2);
267
268 AUXARGS_ENTRY(pos, LINUX_AT_SYSINFO_EHDR,
269 imgp->proc->p_sysent->sv_shared_page_base);
270 AUXARGS_ENTRY(pos, LINUX_AT_SYSINFO, linux_vsyscall);
258 AUXARGS_ENTRY(pos, LINUX_AT_HWCAP, cpu_feature);
259
260 /*
261 * Do not export AT_CLKTCK when emulating Linux kernel prior to 2.4.0,
262 * as it has appeared in the 2.4.0-rc7 first time.
263 * Being exported, AT_CLKTCK is returned by sysconf(_SC_CLK_TCK),
264 * glibc falls back to the hard-coded CLK_TCK value when aux entry
265 * is not present.

--- 128 unchanged lines hidden (view full) ---

394 }
395
396 /* end of vector table is a null pointer */
397 suword(vectp, 0);
398
399 return (stack_base);
400}
401
271 AUXARGS_ENTRY(pos, LINUX_AT_HWCAP, cpu_feature);
272
273 /*
274 * Do not export AT_CLKTCK when emulating Linux kernel prior to 2.4.0,
275 * as it has appeared in the 2.4.0-rc7 first time.
276 * Being exported, AT_CLKTCK is returned by sysconf(_SC_CLK_TCK),
277 * glibc falls back to the hard-coded CLK_TCK value when aux entry
278 * is not present.

--- 128 unchanged lines hidden (view full) ---

407 }
408
409 /* end of vector table is a null pointer */
410 suword(vectp, 0);
411
412 return (stack_base);
413}
414
402
403
404extern unsigned long linux_sznonrtsigcode;
405
406static void
407linux_rt_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
408{
409 struct thread *td = curthread;
410 struct proc *p = td->td_proc;
411 struct sigacts *psp;
412 struct trapframe *regs;
413 struct l_rt_sigframe *fp, frame;

--- 59 unchanged lines hidden (view full) ---

473 frame.sf_sc.uc_mcontext.sc_gs = rgs();
474 frame.sf_sc.uc_mcontext.sc_fs = regs->tf_fs;
475 frame.sf_sc.uc_mcontext.sc_es = regs->tf_es;
476 frame.sf_sc.uc_mcontext.sc_ds = regs->tf_ds;
477 frame.sf_sc.uc_mcontext.sc_edi = regs->tf_edi;
478 frame.sf_sc.uc_mcontext.sc_esi = regs->tf_esi;
479 frame.sf_sc.uc_mcontext.sc_ebp = regs->tf_ebp;
480 frame.sf_sc.uc_mcontext.sc_ebx = regs->tf_ebx;
415static void
416linux_rt_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
417{
418 struct thread *td = curthread;
419 struct proc *p = td->td_proc;
420 struct sigacts *psp;
421 struct trapframe *regs;
422 struct l_rt_sigframe *fp, frame;

--- 59 unchanged lines hidden (view full) ---

482 frame.sf_sc.uc_mcontext.sc_gs = rgs();
483 frame.sf_sc.uc_mcontext.sc_fs = regs->tf_fs;
484 frame.sf_sc.uc_mcontext.sc_es = regs->tf_es;
485 frame.sf_sc.uc_mcontext.sc_ds = regs->tf_ds;
486 frame.sf_sc.uc_mcontext.sc_edi = regs->tf_edi;
487 frame.sf_sc.uc_mcontext.sc_esi = regs->tf_esi;
488 frame.sf_sc.uc_mcontext.sc_ebp = regs->tf_ebp;
489 frame.sf_sc.uc_mcontext.sc_ebx = regs->tf_ebx;
490 frame.sf_sc.uc_mcontext.sc_esp = regs->tf_esp;
481 frame.sf_sc.uc_mcontext.sc_edx = regs->tf_edx;
482 frame.sf_sc.uc_mcontext.sc_ecx = regs->tf_ecx;
483 frame.sf_sc.uc_mcontext.sc_eax = regs->tf_eax;
484 frame.sf_sc.uc_mcontext.sc_eip = regs->tf_eip;
485 frame.sf_sc.uc_mcontext.sc_cs = regs->tf_cs;
486 frame.sf_sc.uc_mcontext.sc_eflags = regs->tf_eflags;
487 frame.sf_sc.uc_mcontext.sc_esp_at_signal = regs->tf_esp;
488 frame.sf_sc.uc_mcontext.sc_ss = regs->tf_ss;

--- 21 unchanged lines hidden (view full) ---

510 PROC_LOCK(p);
511 sigexit(td, SIGILL);
512 }
513
514 /*
515 * Build context to run handler in.
516 */
517 regs->tf_esp = (int)fp;
491 frame.sf_sc.uc_mcontext.sc_edx = regs->tf_edx;
492 frame.sf_sc.uc_mcontext.sc_ecx = regs->tf_ecx;
493 frame.sf_sc.uc_mcontext.sc_eax = regs->tf_eax;
494 frame.sf_sc.uc_mcontext.sc_eip = regs->tf_eip;
495 frame.sf_sc.uc_mcontext.sc_cs = regs->tf_cs;
496 frame.sf_sc.uc_mcontext.sc_eflags = regs->tf_eflags;
497 frame.sf_sc.uc_mcontext.sc_esp_at_signal = regs->tf_esp;
498 frame.sf_sc.uc_mcontext.sc_ss = regs->tf_ss;

--- 21 unchanged lines hidden (view full) ---

520 PROC_LOCK(p);
521 sigexit(td, SIGILL);
522 }
523
524 /*
525 * Build context to run handler in.
526 */
527 regs->tf_esp = (int)fp;
518 regs->tf_eip = p->p_sysent->sv_sigcode_base + linux_sznonrtsigcode;
528 regs->tf_eip = linux_rt_sigcode;
519 regs->tf_eflags &= ~(PSL_T | PSL_VM | PSL_D);
520 regs->tf_cs = _ucodesel;
521 regs->tf_ds = _udatasel;
522 regs->tf_es = _udatasel;
523 regs->tf_fs = _udatasel;
524 regs->tf_ss = _udatasel;
525 PROC_LOCK(p);
526 mtx_lock(&psp->ps_mtx);

--- 74 unchanged lines hidden (view full) ---

601 frame.sf_sc.sc_gs = rgs();
602 frame.sf_sc.sc_fs = regs->tf_fs;
603 frame.sf_sc.sc_es = regs->tf_es;
604 frame.sf_sc.sc_ds = regs->tf_ds;
605 frame.sf_sc.sc_edi = regs->tf_edi;
606 frame.sf_sc.sc_esi = regs->tf_esi;
607 frame.sf_sc.sc_ebp = regs->tf_ebp;
608 frame.sf_sc.sc_ebx = regs->tf_ebx;
529 regs->tf_eflags &= ~(PSL_T | PSL_VM | PSL_D);
530 regs->tf_cs = _ucodesel;
531 regs->tf_ds = _udatasel;
532 regs->tf_es = _udatasel;
533 regs->tf_fs = _udatasel;
534 regs->tf_ss = _udatasel;
535 PROC_LOCK(p);
536 mtx_lock(&psp->ps_mtx);

--- 74 unchanged lines hidden (view full) ---

611 frame.sf_sc.sc_gs = rgs();
612 frame.sf_sc.sc_fs = regs->tf_fs;
613 frame.sf_sc.sc_es = regs->tf_es;
614 frame.sf_sc.sc_ds = regs->tf_ds;
615 frame.sf_sc.sc_edi = regs->tf_edi;
616 frame.sf_sc.sc_esi = regs->tf_esi;
617 frame.sf_sc.sc_ebp = regs->tf_ebp;
618 frame.sf_sc.sc_ebx = regs->tf_ebx;
619 frame.sf_sc.sc_esp = regs->tf_esp;
609 frame.sf_sc.sc_edx = regs->tf_edx;
610 frame.sf_sc.sc_ecx = regs->tf_ecx;
611 frame.sf_sc.sc_eax = regs->tf_eax;
612 frame.sf_sc.sc_eip = regs->tf_eip;
613 frame.sf_sc.sc_cs = regs->tf_cs;
614 frame.sf_sc.sc_eflags = regs->tf_eflags;
615 frame.sf_sc.sc_esp_at_signal = regs->tf_esp;
616 frame.sf_sc.sc_ss = regs->tf_ss;

--- 12 unchanged lines hidden (view full) ---

629 PROC_LOCK(p);
630 sigexit(td, SIGILL);
631 }
632
633 /*
634 * Build context to run handler in.
635 */
636 regs->tf_esp = (int)fp;
620 frame.sf_sc.sc_edx = regs->tf_edx;
621 frame.sf_sc.sc_ecx = regs->tf_ecx;
622 frame.sf_sc.sc_eax = regs->tf_eax;
623 frame.sf_sc.sc_eip = regs->tf_eip;
624 frame.sf_sc.sc_cs = regs->tf_cs;
625 frame.sf_sc.sc_eflags = regs->tf_eflags;
626 frame.sf_sc.sc_esp_at_signal = regs->tf_esp;
627 frame.sf_sc.sc_ss = regs->tf_ss;

--- 12 unchanged lines hidden (view full) ---

640 PROC_LOCK(p);
641 sigexit(td, SIGILL);
642 }
643
644 /*
645 * Build context to run handler in.
646 */
647 regs->tf_esp = (int)fp;
637 regs->tf_eip = p->p_sysent->sv_sigcode_base;
648 regs->tf_eip = linux_sigcode;
638 regs->tf_eflags &= ~(PSL_T | PSL_VM | PSL_D);
639 regs->tf_cs = _ucodesel;
640 regs->tf_ds = _udatasel;
641 regs->tf_es = _udatasel;
642 regs->tf_fs = _udatasel;
643 regs->tf_ss = _udatasel;
644 PROC_LOCK(p);
645 mtx_lock(&psp->ps_mtx);

--- 299 unchanged lines hidden (view full) ---

945 .sv_mask = 0,
946 .sv_sigsize = LINUX_SIGTBLSZ,
947 .sv_sigtbl = bsd_to_linux_signal,
948 .sv_errsize = ELAST + 1,
949 .sv_errtbl = bsd_to_linux_errno,
950 .sv_transtrap = translate_traps,
951 .sv_fixup = linux_fixup,
952 .sv_sendsig = linux_sendsig,
649 regs->tf_eflags &= ~(PSL_T | PSL_VM | PSL_D);
650 regs->tf_cs = _ucodesel;
651 regs->tf_ds = _udatasel;
652 regs->tf_es = _udatasel;
653 regs->tf_fs = _udatasel;
654 regs->tf_ss = _udatasel;
655 PROC_LOCK(p);
656 mtx_lock(&psp->ps_mtx);

--- 299 unchanged lines hidden (view full) ---

956 .sv_mask = 0,
957 .sv_sigsize = LINUX_SIGTBLSZ,
958 .sv_sigtbl = bsd_to_linux_signal,
959 .sv_errsize = ELAST + 1,
960 .sv_errtbl = bsd_to_linux_errno,
961 .sv_transtrap = translate_traps,
962 .sv_fixup = linux_fixup,
963 .sv_sendsig = linux_sendsig,
953 .sv_sigcode = linux_sigcode,
964 .sv_sigcode = &_binary_linux_locore_o_start,
954 .sv_szsigcode = &linux_szsigcode,
955 .sv_prepsyscall = NULL,
956 .sv_name = "Linux a.out",
957 .sv_coredump = NULL,
958 .sv_imgact_try = exec_linux_imgact_try,
959 .sv_minsigstksz = LINUX_MINSIGSTKSZ,
960 .sv_pagesize = PAGE_SIZE,
961 .sv_minuser = VM_MIN_ADDRESS,

--- 22 unchanged lines hidden (view full) ---

984 .sv_mask = 0,
985 .sv_sigsize = LINUX_SIGTBLSZ,
986 .sv_sigtbl = bsd_to_linux_signal,
987 .sv_errsize = ELAST + 1,
988 .sv_errtbl = bsd_to_linux_errno,
989 .sv_transtrap = translate_traps,
990 .sv_fixup = elf_linux_fixup,
991 .sv_sendsig = linux_sendsig,
965 .sv_szsigcode = &linux_szsigcode,
966 .sv_prepsyscall = NULL,
967 .sv_name = "Linux a.out",
968 .sv_coredump = NULL,
969 .sv_imgact_try = exec_linux_imgact_try,
970 .sv_minsigstksz = LINUX_MINSIGSTKSZ,
971 .sv_pagesize = PAGE_SIZE,
972 .sv_minuser = VM_MIN_ADDRESS,

--- 22 unchanged lines hidden (view full) ---

995 .sv_mask = 0,
996 .sv_sigsize = LINUX_SIGTBLSZ,
997 .sv_sigtbl = bsd_to_linux_signal,
998 .sv_errsize = ELAST + 1,
999 .sv_errtbl = bsd_to_linux_errno,
1000 .sv_transtrap = translate_traps,
1001 .sv_fixup = elf_linux_fixup,
1002 .sv_sendsig = linux_sendsig,
992 .sv_sigcode = linux_sigcode,
1003 .sv_sigcode = &_binary_linux_locore_o_start,
993 .sv_szsigcode = &linux_szsigcode,
994 .sv_prepsyscall = NULL,
995 .sv_name = "Linux ELF",
996 .sv_coredump = elf32_coredump,
997 .sv_imgact_try = exec_linux_imgact_try,
998 .sv_minsigstksz = LINUX_MINSIGSTKSZ,
999 .sv_pagesize = PAGE_SIZE,
1000 .sv_minuser = VM_MIN_ADDRESS,

--- 9 unchanged lines hidden (view full) ---

1010 .sv_set_syscall_retval = cpu_set_syscall_retval,
1011 .sv_fetch_syscall_args = linux_fetch_syscall_args,
1012 .sv_syscallnames = NULL,
1013 .sv_shared_page_base = LINUX_SHAREDPAGE,
1014 .sv_shared_page_len = PAGE_SIZE,
1015 .sv_schedtail = linux_schedtail,
1016 .sv_thread_detach = linux_thread_detach,
1017};
1004 .sv_szsigcode = &linux_szsigcode,
1005 .sv_prepsyscall = NULL,
1006 .sv_name = "Linux ELF",
1007 .sv_coredump = elf32_coredump,
1008 .sv_imgact_try = exec_linux_imgact_try,
1009 .sv_minsigstksz = LINUX_MINSIGSTKSZ,
1010 .sv_pagesize = PAGE_SIZE,
1011 .sv_minuser = VM_MIN_ADDRESS,

--- 9 unchanged lines hidden (view full) ---

1021 .sv_set_syscall_retval = cpu_set_syscall_retval,
1022 .sv_fetch_syscall_args = linux_fetch_syscall_args,
1023 .sv_syscallnames = NULL,
1024 .sv_shared_page_base = LINUX_SHAREDPAGE,
1025 .sv_shared_page_len = PAGE_SIZE,
1026 .sv_schedtail = linux_schedtail,
1027 .sv_thread_detach = linux_thread_detach,
1028};
1018INIT_SYSENTVEC(elf_sysvec, &elf_linux_sysvec);
1019
1029
1030static void
1031linux_vdso_install(void *param)
1032{
1033
1034 linux_szsigcode = (&_binary_linux_locore_o_end -
1035 &_binary_linux_locore_o_start);
1036
1037 if (linux_szsigcode > elf_linux_sysvec.sv_shared_page_len)
1038 panic("Linux invalid vdso size\n");
1039
1040 __elfN(linux_vdso_fixup)(&elf_linux_sysvec);
1041
1042 linux_shared_page_obj = __elfN(linux_shared_page_init)
1043 (&linux_shared_page_mapping);
1044
1045 __elfN(linux_vdso_reloc)(&elf_linux_sysvec, LINUX_SHAREDPAGE);
1046
1047 bcopy(elf_linux_sysvec.sv_sigcode, linux_shared_page_mapping,
1048 linux_szsigcode);
1049 elf_linux_sysvec.sv_shared_page_obj = linux_shared_page_obj;
1050}
1051SYSINIT(elf_linux_vdso_init, SI_SUB_EXEC, SI_ORDER_ANY,
1052 (sysinit_cfunc_t)linux_vdso_install, NULL);
1053
1054static void
1055linux_vdso_deinstall(void *param)
1056{
1057
1058 __elfN(linux_shared_page_fini)(linux_shared_page_obj);
1059};
1060SYSUNINIT(elf_linux_vdso_uninit, SI_SUB_EXEC, SI_ORDER_FIRST,
1061 (sysinit_cfunc_t)linux_vdso_deinstall, NULL);
1062
1020static char GNU_ABI_VENDOR[] = "GNU";
1021static int GNULINUX_ABI_DESC = 0;
1022
1023static boolean_t
1024linux_trans_osrel(const Elf_Note *note, int32_t *osrel)
1025{
1026 const Elf32_Word *desc;
1027 uintptr_t p;

--- 134 unchanged lines hidden --- 		1063static char GNU_ABI_VENDOR[] = "GNU";
1064static int GNULINUX_ABI_DESC = 0;
1065
1066static boolean_t
1067linux_trans_osrel(const Elf_Note *note, int32_t *osrel)
1068{
1069 const Elf32_Word *desc;
1070 uintptr_t p;

--- 134 unchanged lines hidden ---