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compat ultrix: Drop the sstk(2) syscall 

sstk(2) has never been implemented by the NetBSD kernel.

Sponsored by <The NetBSD Foundation>
This commit is contained in:
kamil 2017-12-19 08:23:22 +00:00
parent fc1871a14a
commit 62e75dc456
5 changed files with 13 additions and 21 deletions
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5
sys/compat/ultrix/syscalls.master
View File

@ -1,4 +1,4 @@
$NetBSD: syscalls.master,v 1.52 2013/11/07 19:37:19 njoly Exp $
$NetBSD: syscalls.master,v 1.53 2017/12/19 08:23:22 kamil Exp $
; @(#)syscalls.master 8.1 (Berkeley) 7/19/93
@ -119,7 +119,7 @@
67 OBSOL vread
68 OBSOL vwrite
69 NOARGS { int|sys||sbrk(intptr_t incr); }
70 NOARGS { int|sys||sstk(int incr); }
70 OBSOL sstk
71 STD { int|ultrix_sys||mmap(void *addr, size_t len, \
int prot, u_int flags, int fd, long pos); }
72 NOARGS { int|sys||ovadvise(int anom); } vadvise
@ -358,4 +358,3 @@
unsigned nbytes, int *start, char *arg); }
257 STD { int|ultrix_sys||setsysinfo(unsigned op, char *buffer, \
unsigned nbytes, unsigned arg, unsigned flag); }

6
sys/compat/ultrix/ultrix_syscall.h
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@ -1,4 +1,4 @@
/* $NetBSD: ultrix_syscall.h,v 1.68 2017/05/10 06:19:49 riastradh Exp $ */
/* $NetBSD: ultrix_syscall.h,v 1.69 2017/12/19 08:23:22 kamil Exp $ */
/*
* System call numbers.
@ -159,9 +159,7 @@
/* syscall: "sbrk" ret: "int" args: "intptr_t" */
#define ULTRIX_SYS_sbrk 69
/* syscall: "sstk" ret: "int" args: "int" */
#define ULTRIX_SYS_sstk 70
/* 70 is obsolete sstk */
/* syscall: "mmap" ret: "int" args: "void *" "size_t" "int" "u_int" "int" "long" */
#define ULTRIX_SYS_mmap 71

6
sys/compat/ultrix/ultrix_syscallargs.h
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@ -1,4 +1,4 @@
/* $NetBSD: ultrix_syscallargs.h,v 1.63 2017/05/10 06:19:49 riastradh Exp $ */
/* $NetBSD: ultrix_syscallargs.h,v 1.64 2017/12/19 08:23:22 kamil Exp $ */
/*
* System call argument lists.
@ -147,8 +147,6 @@ struct compat_43_sys_fstat_args;
struct sys_sbrk_args;
struct sys_sstk_args;
struct ultrix_sys_mmap_args {
syscallarg(void *) addr;
syscallarg(size_t) len;
@ -528,8 +526,6 @@ int sys_vfork(struct lwp *, const void *, register_t *);
int sys_sbrk(struct lwp *, const struct sys_sbrk_args *, register_t *);
int sys_sstk(struct lwp *, const struct sys_sstk_args *, register_t *);
int ultrix_sys_mmap(struct lwp *, const struct ultrix_sys_mmap_args *, register_t *);
int sys_ovadvise(struct lwp *, const struct sys_ovadvise_args *, register_t *);

8
sys/compat/ultrix/ultrix_syscalls.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ultrix_syscalls.c,v 1.67 2017/05/10 06:19:49 riastradh Exp $ */
/* $NetBSD: ultrix_syscalls.c,v 1.68 2017/12/19 08:23:22 kamil Exp $ */
/*
* System call names.
@ -8,7 +8,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ultrix_syscalls.c,v 1.67 2017/05/10 06:19:49 riastradh Exp $");
__KERNEL_RCSID(0, "$NetBSD: ultrix_syscalls.c,v 1.68 2017/12/19 08:23:22 kamil Exp $");
#if defined(_KERNEL_OPT)
#include <sys/param.h>
@ -93,7 +93,7 @@ const char *const ultrix_syscallnames[] = {
/* 67 */ "#67 (obsolete vread)",
/* 68 */ "#68 (obsolete vwrite)",
/* 69 */ "sbrk",
/* 70 */ "sstk",
/* 70 */ "#70 (obsolete sstk)",
/* 71 */ "mmap",
/* 72 */ "vadvise",
/* 73 */ "munmap",
@ -615,7 +615,7 @@ const char *const altultrix_syscallnames[] = {
/* 67 */ NULL, /* obsolete vread */
/* 68 */ NULL, /* obsolete vwrite */
/* 69 */ NULL, /* sbrk */
/* 70 */ NULL, /* sstk */
/* 70 */ NULL, /* obsolete sstk */
/* 71 */ NULL, /* mmap */
/* 72 */ "ovadvise",
/* 73 */ NULL, /* munmap */

9
sys/compat/ultrix/ultrix_sysent.c
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@ -1,4 +1,4 @@
/* $NetBSD: ultrix_sysent.c,v 1.70 2017/05/10 06:19:49 riastradh Exp $ */
/* $NetBSD: ultrix_sysent.c,v 1.71 2017/12/19 08:23:22 kamil Exp $ */
/*
* System call switch table.
@ -8,7 +8,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ultrix_sysent.c,v 1.70 2017/05/10 06:19:49 riastradh Exp $");
__KERNEL_RCSID(0, "$NetBSD: ultrix_sysent.c,v 1.71 2017/12/19 08:23:22 kamil Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -291,9 +291,8 @@ struct sysent ultrix_sysent[] = {
.sy_call = (sy_call_t *)sys_sbrk
}, /* 69 = sbrk */
{
ns(struct sys_sstk_args),
.sy_call = (sy_call_t *)sys_sstk
}, /* 70 = sstk */
.sy_call = sys_nosys,
}, /* 70 = filler */
{
ns(struct ultrix_sys_mmap_args),
.sy_flags = SYCALL_ARG_PTR,