1/*-
2 * Copyright (c) 1995 Steven Wallace
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
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Steven Wallace.
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 1995 Steven Wallace
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
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Steven Wallace.
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include <sys/cdefs.h>
|
32__FBSDID("$FreeBSD: head/sys/i386/ibcs2/ibcs2_sysvec.c 166074 2007-01-17 15:05:52Z delphij $");
| 32__FBSDID("$FreeBSD: head/sys/i386/ibcs2/ibcs2_sysvec.c 183322 2008-09-24 10:14:37Z kib $");
|
33
34#include <sys/param.h>
35#include <sys/kernel.h>
36#include <sys/systm.h>
37#include <sys/exec.h>
38#include <sys/imgact.h>
39#include <sys/lock.h>
40#include <sys/module.h>
41#include <sys/sysent.h>
42#include <sys/signalvar.h>
43#include <sys/proc.h>
44#include <sys/sx.h>
45
46#include <vm/vm.h>
47#include <vm/pmap.h>
48#include <vm/vm_param.h>
49
50#include <i386/ibcs2/ibcs2_syscall.h>
51#include <i386/ibcs2/ibcs2_signal.h>
52
53MODULE_VERSION(ibcs2, 1);
54
55extern int bsd_to_ibcs2_errno[];
56extern struct sysent ibcs2_sysent[IBCS2_SYS_MAXSYSCALL];
57extern int szsigcode;
58extern char sigcode[];
59static int ibcs2_fixup(register_t **, struct image_params *);
60
61struct sysentvec ibcs2_svr3_sysvec = {
| 33
34#include <sys/param.h>
35#include <sys/kernel.h>
36#include <sys/systm.h>
37#include <sys/exec.h>
38#include <sys/imgact.h>
39#include <sys/lock.h>
40#include <sys/module.h>
41#include <sys/sysent.h>
42#include <sys/signalvar.h>
43#include <sys/proc.h>
44#include <sys/sx.h>
45
46#include <vm/vm.h>
47#include <vm/pmap.h>
48#include <vm/vm_param.h>
49
50#include <i386/ibcs2/ibcs2_syscall.h>
51#include <i386/ibcs2/ibcs2_signal.h>
52
53MODULE_VERSION(ibcs2, 1);
54
55extern int bsd_to_ibcs2_errno[];
56extern struct sysent ibcs2_sysent[IBCS2_SYS_MAXSYSCALL];
57extern int szsigcode;
58extern char sigcode[];
59static int ibcs2_fixup(register_t **, struct image_params *);
60
61struct sysentvec ibcs2_svr3_sysvec = {
|
62 sizeof (ibcs2_sysent) / sizeof (ibcs2_sysent[0]),
63 ibcs2_sysent,
64 0xFF,
65 IBCS2_SIGTBLSZ,
66 bsd_to_ibcs2_sig,
67 ELAST + 1,
68 bsd_to_ibcs2_errno,
69 NULL, /* trap-to-signal translation function */
70 ibcs2_fixup, /* fixup */
71 sendsig,
72 sigcode, /* use generic trampoline */
73 &szsigcode, /* use generic trampoline size */
74 NULL, /* prepsyscall */
75 "IBCS2 COFF",
76 NULL, /* we don't have a COFF coredump function */
77 NULL,
78 IBCS2_MINSIGSTKSZ,
79 PAGE_SIZE,
80 VM_MIN_ADDRESS,
81 VM_MAXUSER_ADDRESS,
82 USRSTACK,
83 PS_STRINGS,
84 VM_PROT_ALL,
85 exec_copyout_strings,
86 exec_setregs,
87 NULL
| 62 .sv_size = sizeof (ibcs2_sysent) / sizeof (ibcs2_sysent[0]),
63 .sv_table = ibcs2_sysent,
64 .sv_mask = 0xff,
65 .sv_sigsize = IBCS2_SIGTBLSZ,
66 .sv_sigtbl = bsd_to_ibcs2_sig,
67 .sv_errsize = ELAST + 1,
68 .sv_errtbl = bsd_to_ibcs2_errno,
69 .sv_transtrap = NULL,
70 .sv_fixup = ibcs2_fixup,
71 .sv_sendsig = sendsig,
72 .sv_sigcode = sigcode, /* use generic trampoline */
73 .sv_szsigcode = &szsigcode,
74 .sv_prepsyscall = NULL,
75 .sv_name = "IBCS2 COFF",
76 .sv_coredump = NULL, /* we don't have a COFF coredump function */
77 .sv_imgact_try = NULL,
78 .sv_minsigstksz = IBCS2_MINSIGSTKSZ,
79 .sv_pagesize = PAGE_SIZE,
80 .sv_minuser = VM_MIN_ADDRESS,
81 .sv_maxuser = VM_MAXUSER_ADDRESS,
82 .sv_usrstack = USRSTACK,
83 .sv_psstrings = PS_STRINGS,
84 .sv_stackprot = VM_PROT_ALL,
85 .sv_copyout_strings = exec_copyout_strings,
86 .sv_setregs = exec_setregs,
87 .sv_fixlimit = NULL,
88 .sv_maxssiz = NULL
|
88};
89
90static int
91ibcs2_fixup(register_t **stack_base, struct image_params *imgp)
92{
93
94 return (suword(--(*stack_base), imgp->args->argc));
95}
96
97/*
98 * Create an "ibcs2" module that does nothing but allow checking for
99 * the presence of the subsystem.
100 */
101static int
102ibcs2_modevent(module_t mod, int type, void *unused)
103{
104 struct proc *p = NULL;
105 int rval = 0;
106
107 switch(type) {
108 case MOD_LOAD:
109 break;
110 case MOD_UNLOAD:
111 /* if this was an ELF module we'd use elf_brand_inuse()... */
112 sx_slock(&allproc_lock);
113 FOREACH_PROC_IN_SYSTEM(p) {
114 if (p->p_sysent == &ibcs2_svr3_sysvec) {
115 rval = EBUSY;
116 break;
117 }
118 }
119 sx_sunlock(&allproc_lock);
120 break;
121 default:
122 rval = EOPNOTSUPP;
123 break;
124 }
125 return (rval);
126}
127static moduledata_t ibcs2_mod = {
128 "ibcs2",
129 ibcs2_modevent,
130 0
131};
132DECLARE_MODULE(ibcs2, ibcs2_mod, SI_SUB_PSEUDO, SI_ORDER_ANY);
| 89};
90
91static int
92ibcs2_fixup(register_t **stack_base, struct image_params *imgp)
93{
94
95 return (suword(--(*stack_base), imgp->args->argc));
96}
97
98/*
99 * Create an "ibcs2" module that does nothing but allow checking for
100 * the presence of the subsystem.
101 */
102static int
103ibcs2_modevent(module_t mod, int type, void *unused)
104{
105 struct proc *p = NULL;
106 int rval = 0;
107
108 switch(type) {
109 case MOD_LOAD:
110 break;
111 case MOD_UNLOAD:
112 /* if this was an ELF module we'd use elf_brand_inuse()... */
113 sx_slock(&allproc_lock);
114 FOREACH_PROC_IN_SYSTEM(p) {
115 if (p->p_sysent == &ibcs2_svr3_sysvec) {
116 rval = EBUSY;
117 break;
118 }
119 }
120 sx_sunlock(&allproc_lock);
121 break;
122 default:
123 rval = EOPNOTSUPP;
124 break;
125 }
126 return (rval);
127}
128static moduledata_t ibcs2_mod = {
129 "ibcs2",
130 ibcs2_modevent,
131 0
132};
133DECLARE_MODULE(ibcs2, ibcs2_mod, SI_SUB_PSEUDO, SI_ORDER_ANY);
|