909875ba26
* linux/syscallent.h: Add some new 2.5 syscall names. Now clone takes 5 args. * process.c [LINUX] (clone_flags): Update with 2.5 flag bits. [LINUX] (sys_clone): Print new args. * mem.c (print_ldt_entry): Make global.
604 lines
12 KiB
C
604 lines
12 KiB
C
/*
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* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
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* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
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* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
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* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
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* All rights reserved.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id$
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*/
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#include "defs.h"
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#ifdef LINUX
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#include <linux/mman.h>
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#endif
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#include <sys/mman.h>
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#if defined(LINUX) && defined(I386)
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#include <asm/ldt.h>
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#endif
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#ifdef HAVE_LONG_LONG_OFF_T
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/*
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* Ugly hacks for systems that have a long long off_t
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*/
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#define sys_mmap64 sys_mmap
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#endif
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int
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sys_brk(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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tprintf("%#lx", tcp->u_arg[0]);
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}
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#ifdef LINUX
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return RVAL_HEX;
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#else
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return 0;
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#endif
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}
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int
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sys_sbrk(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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tprintf("%lu", tcp->u_arg[0]);
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}
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return RVAL_HEX;
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}
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static struct xlat mmap_prot[] = {
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{ PROT_NONE, "PROT_NONE", },
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{ PROT_READ, "PROT_READ" },
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{ PROT_WRITE, "PROT_WRITE" },
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{ PROT_EXEC, "PROT_EXEC" },
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{ 0, NULL },
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};
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static struct xlat mmap_flags[] = {
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{ MAP_SHARED, "MAP_SHARED" },
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{ MAP_PRIVATE, "MAP_PRIVATE" },
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{ MAP_FIXED, "MAP_FIXED" },
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#ifdef MAP_ANONYMOUS
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{ MAP_ANONYMOUS,"MAP_ANONYMOUS" },
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#endif
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#ifdef MAP_RENAME
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{ MAP_RENAME, "MAP_RENAME" },
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#endif
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#ifdef MAP_NORESERVE
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{ MAP_NORESERVE,"MAP_NORESERVE" },
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#endif
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/*
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* XXX - this was introduced in SunOS 4.x to distinguish between
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* the old pre-4.x "mmap()", which:
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*
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* only let you map devices with an "mmap" routine (e.g.,
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* frame buffers) in;
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*
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* required you to specify the mapping address;
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*
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* returned 0 on success and -1 on failure;
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*
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* memory and which, and the 4.x "mmap()" which:
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*
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* can map plain files;
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*
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* can be asked to pick where to map the file;
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*
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* returns the address where it mapped the file on success
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* and -1 on failure.
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*
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* It's not actually used in source code that calls "mmap()"; the
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* "mmap()" routine adds it for you.
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*
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* It'd be nice to come up with some way of eliminating it from
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* the flags, e.g. reporting calls *without* it as "old_mmap()"
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* and calls with it as "mmap()".
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*/
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#ifdef _MAP_NEW
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{ _MAP_NEW, "_MAP_NEW" },
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#endif
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#ifdef MAP_GROWSDOWN
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{ MAP_GROWSDOWN,"MAP_GROWSDOWN" },
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#endif
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#ifdef MAP_DENYWRITE
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{ MAP_DENYWRITE,"MAP_DENYWRITE" },
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#endif
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#ifdef MAP_EXECUTABLE
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{ MAP_EXECUTABLE,"MAP_EXECUTABLE"},
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#endif
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#ifdef MAP_INHERIT
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{ MAP_INHERIT,"MAP_INHERIT" },
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#endif
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#ifdef MAP_FILE
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{ MAP_FILE,"MAP_FILE"},
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#endif
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#ifdef MAP_LOCKED
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{ MAP_LOCKED,"MAP_LOCKED"},
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#endif
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/* FreeBSD ones */
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#ifdef MAP_ANON
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{ MAP_ANON, "MAP_ANON" },
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#endif
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#ifdef MAP_HASSEMAPHORE
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{ MAP_HASSEMAPHORE, "MAP_HASSEMAPHORE" },
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#endif
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#ifdef MAP_STACK
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{ MAP_STACK, "MAP_STACK" },
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#endif
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#ifdef MAP_NOSYNC
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{ MAP_NOSYNC, "MAP_NOSYNC" },
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#endif
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#ifdef MAP_NOCORE
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{ MAP_NOCORE, "MAP_NOCORE" },
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#endif
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{ 0, NULL },
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};
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#if !HAVE_LONG_LONG_OFF_T
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static
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int
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print_mmap(tcp,u_arg)
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struct tcb *tcp;
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long *u_arg;
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{
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if (entering(tcp)) {
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/* addr */
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if (!u_arg[0])
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tprintf("NULL, ");
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else
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tprintf("%#lx, ", u_arg[0]);
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/* len */
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tprintf("%lu, ", u_arg[1]);
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/* prot */
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printflags(mmap_prot, u_arg[2]);
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tprintf(", ");
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/* flags */
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#ifdef MAP_TYPE
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printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
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addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
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#else
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printflags(mmap_flags, u_arg[3]);
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#endif
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/* fd (is always int, not long) */
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tprintf(", %d, ", (int)u_arg[4]);
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/* offset */
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tprintf("%#lx", u_arg[5]);
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}
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return RVAL_HEX;
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}
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#ifdef LINUX
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int sys_old_mmap(tcp)
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struct tcb *tcp;
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{
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long u_arg[6];
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#if defined(IA64)
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int i, v;
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/*
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* IA64 processes never call this routine, they only use the
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* new `sys_mmap' interface. This code converts the integer
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* arguments that the IA32 process pushed onto the stack into
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* longs.
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*
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* Note that addresses with bit 31 set will be sign extended.
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* Fortunately, those addresses are not currently being generated
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* for IA32 processes so it's not a problem.
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*/
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for (i = 0; i < 6; i++)
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if (umove(tcp, tcp->u_arg[0] + (i * sizeof(int)), &v) == -1)
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return 0;
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else
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u_arg[i] = v;
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#else // defined(IA64)
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if (umoven(tcp, tcp->u_arg[0], sizeof u_arg, (char *) u_arg) == -1)
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return 0;
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#endif // defined(IA64)
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return print_mmap(tcp, u_arg);
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}
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#endif
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int
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sys_mmap(tcp)
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struct tcb *tcp;
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{
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return print_mmap(tcp, tcp->u_arg);
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}
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#endif /* !HAVE_LONG_LONG_OFF_T */
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#if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
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int
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sys_mmap64(tcp)
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struct tcb *tcp;
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{
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#ifdef linux
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#ifdef ALPHA
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long *u_arg = tcp->u_arg;
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#else /* !ALPHA */
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long u_arg[7];
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#endif /* !ALPHA */
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#else /* !linux */
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long *u_arg = tcp->u_arg;
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#endif /* !linux */
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if (entering(tcp)) {
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#ifdef linux
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#ifndef ALPHA
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if (umoven(tcp, tcp->u_arg[0], sizeof u_arg,
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(char *) u_arg) == -1)
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return 0;
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#endif /* ALPHA */
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#endif /* linux */
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ALIGN64 (tcp, 5); /* FreeBSD wierdies */
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/* addr */
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tprintf("%#lx, ", u_arg[0]);
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/* len */
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tprintf("%lu, ", u_arg[1]);
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/* prot */
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printflags(mmap_prot, u_arg[2]);
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tprintf(", ");
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/* flags */
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#ifdef MAP_TYPE
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printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
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addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
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#else
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printflags(mmap_flags, u_arg[3]);
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#endif
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/* fd */
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tprintf(", %ld, ", u_arg[4]);
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/* offset */
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tprintf("%#llx", LONG_LONG(u_arg[5], u_arg[6]));
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}
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return RVAL_HEX;
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}
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#endif
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int
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sys_munmap(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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tprintf("%#lx, %lu",
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tcp->u_arg[0], tcp->u_arg[1]);
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}
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return 0;
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}
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int
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sys_mprotect(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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tprintf("%#lx, %lu, ",
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tcp->u_arg[0], tcp->u_arg[1]);
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if (!printflags(mmap_prot, tcp->u_arg[2]))
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tprintf("PROT_???");
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}
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return 0;
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}
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#ifdef LINUX
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static struct xlat mremap_flags[] = {
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{ MREMAP_MAYMOVE, "MREMAP_MAYMOVE" },
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{ 0, NULL }
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};
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int
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sys_mremap(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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tprintf("%#lx, %lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1],
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tcp->u_arg[2]);
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printflags(mremap_flags, tcp->u_arg[3]);
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}
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return RVAL_HEX;
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}
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static struct xlat madvise_flags[] = {
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#ifdef MADV_NORMAL
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{ MADV_NORMAL, "MADV_NORMAL" },
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#endif
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#ifdef MADZV_RANDOM
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{ MADV_RANDOM, "MADV_RANDOM" },
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#endif
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#ifdef MADV_SEQUENTIAL
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{ MADV_SEQUENTIAL, "MADV_SEQUENTIAL" },
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#endif
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#ifdef MADV_WILLNEED
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{ MADV_WILLNEED, "MADV_WILLNEED" },
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#endif
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#ifdef MADV_DONTNED
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{ MADV_DONTNEED, "MADV_DONTNEED" },
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#endif
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{ 0, NULL },
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};
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int
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sys_madvise(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
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printflags(madvise_flags, tcp->u_arg[2]);
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}
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return 0;
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}
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static struct xlat mlockall_flags[] = {
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#ifdef MCL_CURRENT
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{ MCL_CURRENT, "MCL_CURRENT" },
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#endif
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#ifdef MCL_FUTURE
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{ MCL_FUTURE, "MCL_FUTURE" },
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#endif
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{ 0, NULL}
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};
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int
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sys_mlockall(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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printflags(mlockall_flags, tcp->u_arg[0]);
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}
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return 0;
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}
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#endif /* LINUX */
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#ifdef MS_ASYNC
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static struct xlat mctl_sync[] = {
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#ifdef MS_SYNC
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{ MS_SYNC, "MS_SYNC" },
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#endif
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{ MS_ASYNC, "MS_ASYNC" },
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{ MS_INVALIDATE,"MS_INVALIDATE" },
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{ 0, NULL },
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};
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int
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sys_msync(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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/* addr */
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tprintf("%#lx", tcp->u_arg[0]);
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/* len */
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tprintf(", %lu, ", tcp->u_arg[1]);
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/* flags */
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if (!printflags(mctl_sync, tcp->u_arg[2]))
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tprintf("MS_???");
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}
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return 0;
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}
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#endif /* MS_ASYNC */
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#ifdef MC_SYNC
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static struct xlat mctl_funcs[] = {
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{ MC_LOCK, "MC_LOCK" },
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{ MC_LOCKAS, "MC_LOCKAS" },
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{ MC_SYNC, "MC_SYNC" },
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{ MC_UNLOCK, "MC_UNLOCK" },
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{ MC_UNLOCKAS, "MC_UNLOCKAS" },
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{ 0, NULL },
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};
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static struct xlat mctl_lockas[] = {
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{ MCL_CURRENT, "MCL_CURRENT" },
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{ MCL_FUTURE, "MCL_FUTURE" },
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{ 0, NULL },
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};
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int
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sys_mctl(tcp)
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struct tcb *tcp;
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{
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int arg, function;
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if (entering(tcp)) {
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/* addr */
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tprintf("%#lx", tcp->u_arg[0]);
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/* len */
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tprintf(", %lu, ", tcp->u_arg[1]);
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/* function */
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function = tcp->u_arg[2];
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if (!printflags(mctl_funcs, function))
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tprintf("MC_???");
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/* arg */
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arg = tcp->u_arg[3];
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tprintf(", ");
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switch (function) {
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case MC_SYNC:
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if (!printflags(mctl_sync, arg))
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tprintf("MS_???");
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break;
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case MC_LOCKAS:
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if (!printflags(mctl_lockas, arg))
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tprintf("MCL_???");
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break;
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default:
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tprintf("%#x", arg);
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break;
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}
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}
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return 0;
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}
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#endif /* MC_SYNC */
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int
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sys_mincore(tcp)
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struct tcb *tcp;
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{
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int i, len;
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char *vec = NULL;
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if (entering(tcp)) {
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tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
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} else {
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len = tcp->u_arg[1];
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if (syserror(tcp) || tcp->u_arg[2] == 0 ||
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(vec = malloc((u_int)len)) == NULL ||
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umoven(tcp, tcp->u_arg[2], len, vec) < 0)
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tprintf("%#lx", tcp->u_arg[2]);
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else {
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tprintf("[");
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for (i = 0; i < len; i++) {
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if (abbrev(tcp) && i >= max_strlen) {
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tprintf("...");
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break;
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}
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tprintf((vec[i] & 1) ? "1" : "0");
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}
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tprintf("]");
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}
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if (vec)
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free(vec);
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}
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return 0;
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}
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int
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sys_getpagesize(tcp)
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struct tcb *tcp;
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{
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if (exiting(tcp))
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return RVAL_HEX;
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return 0;
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}
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#if defined(LINUX) && defined(__i386__)
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void
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print_ldt_entry (ldt_entry)
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struct modify_ldt_ldt_s *ldt_entry;
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{
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tprintf("base_addr:%#08lx, "
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"limit:%d, "
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"seg_32bit:%d, "
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"contents:%d, "
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"read_exec_only:%d, "
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"limit_in_pages:%d, "
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"seg_not_present:%d, "
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"useable:%d}",
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ldt_entry->base_addr,
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ldt_entry->limit,
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ldt_entry->seg_32bit,
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ldt_entry->contents,
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ldt_entry->read_exec_only,
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ldt_entry->limit_in_pages,
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ldt_entry->seg_not_present,
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ldt_entry->useable);
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}
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int
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sys_modify_ldt(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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struct modify_ldt_ldt_s copy;
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tprintf("%ld", tcp->u_arg[0]);
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if (tcp->u_arg[1] == 0
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|| tcp->u_arg[2] != sizeof (struct modify_ldt_ldt_s)
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|| umove(tcp, tcp->u_arg[1], ©) == -1)
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tprintf(", %lx", tcp->u_arg[1]);
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else {
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tprintf(", {entry_number:%d, ", copy.entry_number);
|
|
if (!verbose(tcp))
|
|
tprintf("...}");
|
|
else {
|
|
print_ldt_entry(©);
|
|
}
|
|
}
|
|
tprintf(", %lu", tcp->u_arg[2]);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
sys_set_thread_area(tcp)
|
|
struct tcb *tcp;
|
|
{
|
|
struct modify_ldt_ldt_s copy;
|
|
if (entering(tcp)) {
|
|
if (umove(tcp, tcp->u_arg[0], ©) != -1) {
|
|
if (copy.entry_number == -1)
|
|
tprintf("{entry_number:%d -> ",
|
|
copy.entry_number);
|
|
else
|
|
tprintf("{entry_number:");
|
|
}
|
|
} else {
|
|
if (umove(tcp, tcp->u_arg[0], ©) != -1) {
|
|
tprintf("%d, ", copy.entry_number);
|
|
if (!verbose(tcp))
|
|
tprintf("...}");
|
|
else {
|
|
print_ldt_entry(©);
|
|
}
|
|
} else {
|
|
tprintf("%lx", tcp->u_arg[0]);
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
}
|
|
|
|
int
|
|
sys_get_thread_area(tcp)
|
|
struct tcb *tcp;
|
|
{
|
|
struct modify_ldt_ldt_s copy;
|
|
if (exiting(tcp)) {
|
|
if (umove(tcp, tcp->u_arg[0], ©) != -1) {
|
|
tprintf("{entry_number:%d, ", copy.entry_number);
|
|
if (!verbose(tcp))
|
|
tprintf("...}");
|
|
else {
|
|
print_ldt_entry(©);
|
|
}
|
|
} else {
|
|
tprintf("%lx", tcp->u_arg[0]);
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
}
|
|
#endif /* LINUX && __i386__ */
|