c3183f3251
years ago when the kernel was modified to not alter ABI based on DIAGNOSTIC, and now just call the respective function interfaces (in lowercase). Plenty of mix'n match upper/lowercase has creeped into the tree since then. Nuke the macros and convert all callsites to lowercase. no functional change
269 lines
7.3 KiB
C
269 lines
7.3 KiB
C
/* $NetBSD: irix_mman.c,v 1.23 2010/01/08 11:35:07 pooka Exp $ */
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/*-
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* Copyright (c) 2002, 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Emmanuel Dreyfus.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: irix_mman.c,v 1.23 2010/01/08 11:35:07 pooka Exp $");
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#if defined(_KERNEL_OPT)
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#include "opt_sysv.h"
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#endif
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/signal.h>
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#include <sys/proc.h>
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#include <sys/exec.h>
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#include <sys/filedesc.h>
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#include <sys/file.h>
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#include <sys/vnode.h>
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#include <sys/vnode_if.h>
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#include <sys/mount.h>
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#include <sys/rwlock.h>
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#include <sys/systm.h>
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#include <sys/syscallargs.h>
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#include <compat/svr4/svr4_types.h>
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#include <compat/svr4/svr4_lwp.h>
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#include <compat/svr4/svr4_ucontext.h>
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#include <compat/svr4/svr4_signal.h>
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#include <compat/svr4/svr4_syscallargs.h>
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#include <compat/irix/irix_types.h>
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#include <compat/irix/irix_signal.h>
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#include <compat/irix/irix_mman.h>
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#include <compat/irix/irix_prctl.h>
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#include <compat/irix/irix_exec.h>
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#include <compat/irix/irix_syscallargs.h>
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static int irix_mmap(struct lwp *, void *, size_t, int ,
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int, int, off_t, register_t *);
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int
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irix_sys_mmap(struct lwp *l, const struct irix_sys_mmap_args *uap, register_t *retval)
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{
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/* {
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syscallarg(void *) addr;
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syscallarg(irix_size_t) len;
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syscallarg(int) prot;
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syscallarg(int) flags;
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syscallarg(int) fd;
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syscallarg(irix_off_t) pos;
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} */
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return irix_mmap(l, SCARG(uap, addr), SCARG(uap, len),
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SCARG(uap, prot), SCARG(uap, flags), SCARG(uap, fd),
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SCARG(uap, pos), retval);
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}
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int
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irix_sys_mmap64(struct lwp *l, const struct irix_sys_mmap64_args *uap, register_t *retval)
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{
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/* {
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syscallarg(void *) addr;
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syscallarg(irix_size_t) len;
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syscallarg(int) prot;
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syscallarg(int) flags;
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syscallarg(int) fd;
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syscallarg(int) pad1;
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syscallarg(irix_off64_t) pos;
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} */
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return irix_mmap(l, SCARG(uap, addr), SCARG(uap, len),
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SCARG(uap, prot), SCARG(uap, flags), SCARG(uap, fd),
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SCARG(uap, pos), retval);
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}
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static int
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irix_mmap(struct lwp *l, void *addr, size_t len, int prot, int flags, int fd, off_t pos, register_t *retval)
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{
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struct proc *p = l->l_proc;
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struct sys_mmap_args cup;
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int bsd_flags = 0;
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int error = 0;
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#ifdef DEBUG_IRIX
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printf("irix_sys_mmap(): addr = %p, len = 0x%x, prot = 0x%x ",
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addr, len, prot);
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printf("flags = 0x%x, fd = %d, pos = 0x%lx\n", flags, fd, (long)pos);
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#endif
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if (flags & IRIX_MAP_SHARED)
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bsd_flags |= MAP_SHARED;
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if (flags & IRIX_MAP_PRIVATE)
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bsd_flags |= MAP_PRIVATE;
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if (flags & IRIX_MAP_COPY)
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bsd_flags |= MAP_PRIVATE;
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/*
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* Note about MAP_FIXED: IRIX's mmap(2) states that
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* when MAP_FIXED is unset, range 0x30000000 to 0x40000000
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* will not be used except if MAP_SGI_ANYADDR is set
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* or if syssgi(SGI_UNSUPPORTED_MAP_RESERVED_RANGE) was
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* enabled. We do not emulate this behavior for now.
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*/
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if (flags & IRIX_MAP_FIXED)
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bsd_flags |= MAP_FIXED;
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if (flags & IRIX_MAP_RENAME)
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bsd_flags |= MAP_RENAME;
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if (flags & IRIX_MAP_AUTORESRV)
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printf("Warning: unsupported IRIX mmap() flag MAP_AUTORESV\n");
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if (flags & IRIX_MAP_TEXT)
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printf("Warning: unsupported IRIX mmap() flag MAP_TEXT\n");
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if (flags & IRIX_MAP_BRK)
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printf("Warning: unsupported IRIX mmap() flag MAP_BRK\n");
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if (flags & IRIX_MAP_PRIMARY)
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printf("Warning: unsupported IRIX mmap() flag MAP_PRIMARY\n");
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if (flags & IRIX_MAP_SGI_ANYADDR)
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printf("Warning: unsupported IRIX mmap() flag IRIX_MAP_SGI_ANYADDR\n");
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/*
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* When AUTOGROW is set and the mapping is bigger than
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* the file, if pages beyond the end of file are touched,
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* IRIX will increase the file size accordingly. We are
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* not able to emulate this (yet), hence we immediatly
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* grow the file to fit the mapping, before mapping it.
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*/
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if (flags & IRIX_MAP_AUTOGROW) {
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file_t *fp;
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struct vnode *vp;
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struct vattr vattr;
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if ((error = fd_getvnode(fd, &fp)) != 0)
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return error;
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if ((fp->f_flag & FWRITE) == 0) {
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error = EINVAL;
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goto out;
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}
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vp = fp->f_data;
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if (vp->v_type == VFIFO) {
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error = ESPIPE;
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goto out;
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}
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if (vp->v_type == VDIR) {
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error = EISDIR;
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goto out;
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}
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if ((error = VOP_GETATTR(vp, &vattr, l->l_cred)) != 0)
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goto out;
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if (pos + len > vattr.va_size) {
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vattr_null(&vattr);
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vattr.va_size = round_page(pos + len);
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vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
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error = VOP_SETATTR(vp, &vattr, l->l_cred);
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VOP_UNLOCK(vp, 0);
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}
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out:
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fd_putfile(fd);
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if (error)
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return error;
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}
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SCARG(&cup, addr) = addr;
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SCARG(&cup, len) = len;
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SCARG(&cup, prot) = prot;
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SCARG(&cup, flags) = bsd_flags;
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SCARG(&cup, fd) = fd;
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SCARG(&cup, pos) = pos;
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/* A private mapping that should not be visible to the share group */
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if (flags & IRIX_MAP_LOCAL) {
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if ((error = sys_mmap(l, &cup, retval)) != 0)
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return error;
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addr = (void *)*retval;
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irix_isrr_insert((vaddr_t)addr, len, IRIX_ISRR_PRIVATE, p);
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return 0;
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}
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IRIX_VM_SYNC(p, error = sys_mmap(l, &cup, retval));
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return error;
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}
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int
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irix_sys_munmap(struct lwp *l, const struct irix_sys_munmap_args *uap, register_t *retval)
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{
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/* {
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syscallarg(void *) addr;
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syscallarg(size_t) len;
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} */
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struct proc *p = l->l_proc;
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int error;
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IRIX_VM_SYNC(p, error = sys_munmap(l, (const void *)uap, retval));
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if (error == 0)
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irix_isrr_insert((vaddr_t)SCARG(uap, addr),
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SCARG(uap, len), IRIX_ISRR_SHARED, p);
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return error;
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}
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int
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irix_sys_break(struct lwp *l, const struct irix_sys_break_args *uap, register_t *retval)
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{
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struct proc *p = l->l_proc;
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int error;
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IRIX_VM_SYNC(p, error = svr4_sys_break(l, (const void *)uap, retval));
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return error;
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}
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#ifdef SYSVSHM
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int
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irix_sys_shmsys(struct lwp *l, const struct irix_sys_shmsys_args *uap, register_t *retval)
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{
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struct proc *p = l->l_proc;
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int error;
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IRIX_VM_SYNC(p, error = svr4_sys_shmsys(l, (const void *)uap, retval));
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return error;
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}
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#endif
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int
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irix_sys_mprotect(struct lwp *l, const struct irix_sys_mprotect_args *uap, register_t *retval)
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{
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struct proc *p = l->l_proc;
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int error;
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IRIX_VM_SYNC(p, error = sys_mprotect(l, (const void *)uap, retval));
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return error;
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}
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