Dmitry V. Levin
1c603a9e07
* defs.h (printnum): Rename to printnum_long. * util.c (printnum): Likewise. * process.c (sys_ptrace): Likewise. * time.c (sys_time): Likewise.
148 lines
4.3 KiB
C
148 lines
4.3 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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* Copyright (c) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
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* Linux for s390 port by D.J. Barrow
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* <barrow_dj@mail.yahoo.com,djbarrow@de.ibm.com>
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* Copyright (c) 2000 PocketPenguins Inc. Linux for Hitachi SuperH
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* port by Greg Banks <gbanks@pocketpenguins.com>
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*
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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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#include "defs.h"
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#ifdef HAVE_ELF_H
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# include <elf.h>
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#endif
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#include "xlat/nt_descriptor_types.h"
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#include "ptrace.h"
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#include "xlat/ptrace_cmds.h"
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#include "xlat/ptrace_setoptions_flags.h"
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#include "regs.h"
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#define uoff(member) offsetof(struct user, member)
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#define XLAT_UOFF(member) { uoff(member), "offsetof(struct user, " #member ")" }
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static const struct xlat struct_user_offsets[] = {
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#include "userent.h"
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XLAT_END
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};
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int
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sys_ptrace(struct tcb *tcp)
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{
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const struct xlat *x;
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unsigned long addr;
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if (entering(tcp)) {
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printxval(ptrace_cmds, tcp->u_arg[0], "PTRACE_???");
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tprintf(", %lu, ", tcp->u_arg[1]);
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addr = tcp->u_arg[2];
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if (tcp->u_arg[0] == PTRACE_PEEKUSER
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|| tcp->u_arg[0] == PTRACE_POKEUSER
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) {
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for (x = struct_user_offsets; x->str; x++) {
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if (x->val >= addr)
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break;
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}
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if (!x->str)
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tprintf("%#lx, ", addr);
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else if (x->val > addr && x != struct_user_offsets) {
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x--;
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tprintf("%s + %ld, ", x->str, addr - x->val);
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}
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else
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tprintf("%s, ", x->str);
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} else
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if (tcp->u_arg[0] == PTRACE_GETREGSET
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|| tcp->u_arg[0] == PTRACE_SETREGSET
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) {
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printxval(nt_descriptor_types, tcp->u_arg[2], "NT_???");
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tprints(", ");
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} else
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tprintf("%#lx, ", addr);
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switch (tcp->u_arg[0]) {
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#ifndef IA64
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case PTRACE_PEEKDATA:
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case PTRACE_PEEKTEXT:
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case PTRACE_PEEKUSER:
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break;
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#endif
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case PTRACE_CONT:
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case PTRACE_SINGLESTEP:
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case PTRACE_SYSCALL:
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case PTRACE_DETACH:
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printsignal(tcp->u_arg[3]);
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break;
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case PTRACE_SETOPTIONS:
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printflags(ptrace_setoptions_flags, tcp->u_arg[3], "PTRACE_O_???");
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break;
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case PTRACE_SETSIGINFO: {
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printsiginfo_at(tcp, tcp->u_arg[3]);
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break;
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}
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case PTRACE_SETREGSET:
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tprint_iov(tcp, /*len:*/ 1, tcp->u_arg[3], /*as string:*/ 0);
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break;
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case PTRACE_GETSIGINFO:
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case PTRACE_GETREGSET:
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/* Don't print anything, do it at syscall return. */
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break;
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default:
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tprintf("%#lx", tcp->u_arg[3]);
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break;
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}
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} else {
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switch (tcp->u_arg[0]) {
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case PTRACE_PEEKDATA:
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case PTRACE_PEEKTEXT:
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case PTRACE_PEEKUSER:
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#ifdef IA64
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return RVAL_HEX;
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#else
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printnum_long(tcp, tcp->u_arg[3], "%#lx");
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break;
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#endif
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case PTRACE_GETSIGINFO: {
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printsiginfo_at(tcp, tcp->u_arg[3]);
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break;
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}
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case PTRACE_GETREGSET:
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tprint_iov(tcp, /*len:*/ 1, tcp->u_arg[3], /*as string:*/ 0);
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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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