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Work around conflict between <sys/ptrace.h> and <linux/ptrace.h>
[strace] / process.c
1 /*
2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
5  * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6  * Copyright (c) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
7  *                     Linux for s390 port by D.J. Barrow
8  *                    <barrow_dj@mail.yahoo.com,djbarrow@de.ibm.com>
9  * Copyright (c) 2000 PocketPenguins Inc.  Linux for Hitachi SuperH
10  *                    port by Greg Banks <gbanks@pocketpenguins.com>
11  *
12  * All rights reserved.
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following conditions
16  * are met:
17  * 1. Redistributions of source code must retain the above copyright
18  *    notice, this list of conditions and the following disclaimer.
19  * 2. Redistributions in binary form must reproduce the above copyright
20  *    notice, this list of conditions and the following disclaimer in the
21  *    documentation and/or other materials provided with the distribution.
22  * 3. The name of the author may not be used to endorse or promote products
23  *    derived from this software without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
26  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
27  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
29  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35  */
36
37 #include "defs.h"
38 #include <fcntl.h>
39 #include <sys/stat.h>
40 #include <sys/wait.h>
41 #include <sys/resource.h>
42 #include <sys/utsname.h>
43 #include <sys/user.h>
44 #ifdef HAVE_ELF_H
45 # include <elf.h>
46 #endif
47
48 #ifdef HAVE_SYS_REG_H
49 # include <sys/reg.h>
50 # ifndef PTRACE_PEEKUSR
51 #  define PTRACE_PEEKUSR PTRACE_PEEKUSER
52 # endif
53 # ifndef PTRACE_POKEUSR
54 #  define PTRACE_POKEUSR PTRACE_POKEUSER
55 # endif
56 #endif
57
58 #ifdef HAVE_LINUX_PTRACE_H
59 # undef PTRACE_SYSCALL
60 # ifdef HAVE_STRUCT_IA64_FPREG
61 #  define ia64_fpreg XXX_ia64_fpreg
62 # endif
63 # ifdef HAVE_STRUCT_PT_ALL_USER_REGS
64 #  define pt_all_user_regs XXX_pt_all_user_regs
65 # endif
66 # ifdef HAVE_STRUCT_PTRACE_PEEKSIGINFO_ARGS
67 #  define ptrace_peeksiginfo_args XXX_ptrace_peeksiginfo_args
68 # endif
69 # include <linux/ptrace.h>
70 # undef ptrace_peeksiginfo_args
71 # undef ia64_fpreg
72 # undef pt_all_user_regs
73 #endif
74
75 #if defined(SPARC64)
76 # define r_pc r_tpc
77 # undef PTRACE_GETREGS
78 # define PTRACE_GETREGS PTRACE_GETREGS64
79 # undef PTRACE_SETREGS
80 # define PTRACE_SETREGS PTRACE_SETREGS64
81 #endif
82
83 #ifdef HAVE_LINUX_FUTEX_H
84 # include <linux/futex.h>
85 #endif
86 #ifndef FUTEX_WAIT
87 # define FUTEX_WAIT 0
88 #endif
89 #ifndef FUTEX_WAKE
90 # define FUTEX_WAKE 1
91 #endif
92 #ifndef FUTEX_FD
93 # define FUTEX_FD 2
94 #endif
95 #ifndef FUTEX_REQUEUE
96 # define FUTEX_REQUEUE 3
97 #endif
98
99 #include <sched.h>
100 #include <asm/posix_types.h>
101 #undef GETGROUPS_T
102 #define GETGROUPS_T __kernel_gid_t
103 #undef GETGROUPS32_T
104 #define GETGROUPS32_T __kernel_gid32_t
105
106 #if defined(IA64)
107 # include <asm/ptrace_offsets.h>
108 # include <asm/rse.h>
109 #endif
110
111 #ifdef HAVE_PRCTL
112 # include <sys/prctl.h>
113
114 static const struct xlat prctl_options[] = {
115 #ifdef PR_MAXPROCS
116         { PR_MAXPROCS,          "PR_MAXPROCS"           },
117 #endif
118 #ifdef PR_ISBLOCKED
119         { PR_ISBLOCKED,         "PR_ISBLOCKED"          },
120 #endif
121 #ifdef PR_SETSTACKSIZE
122         { PR_SETSTACKSIZE,      "PR_SETSTACKSIZE"       },
123 #endif
124 #ifdef PR_GETSTACKSIZE
125         { PR_GETSTACKSIZE,      "PR_GETSTACKSIZE"       },
126 #endif
127 #ifdef PR_MAXPPROCS
128         { PR_MAXPPROCS,         "PR_MAXPPROCS"          },
129 #endif
130 #ifdef PR_UNBLKONEXEC
131         { PR_UNBLKONEXEC,       "PR_UNBLKONEXEC"        },
132 #endif
133 #ifdef PR_ATOMICSIM
134         { PR_ATOMICSIM,         "PR_ATOMICSIM"          },
135 #endif
136 #ifdef PR_SETEXITSIG
137         { PR_SETEXITSIG,        "PR_SETEXITSIG"         },
138 #endif
139 #ifdef PR_RESIDENT
140         { PR_RESIDENT,          "PR_RESIDENT"           },
141 #endif
142 #ifdef PR_ATTACHADDR
143         { PR_ATTACHADDR,        "PR_ATTACHADDR"         },
144 #endif
145 #ifdef PR_DETACHADDR
146         { PR_DETACHADDR,        "PR_DETACHADDR"         },
147 #endif
148 #ifdef PR_TERMCHILD
149         { PR_TERMCHILD,         "PR_TERMCHILD"          },
150 #endif
151 #ifdef PR_GETSHMASK
152         { PR_GETSHMASK,         "PR_GETSHMASK"          },
153 #endif
154 #ifdef PR_GETNSHARE
155         { PR_GETNSHARE,         "PR_GETNSHARE"          },
156 #endif
157 #ifdef PR_COREPID
158         { PR_COREPID,           "PR_COREPID"            },
159 #endif
160 #ifdef PR_ATTACHADDRPERM
161         { PR_ATTACHADDRPERM,    "PR_ATTACHADDRPERM"     },
162 #endif
163 #ifdef PR_PTHREADEXIT
164         { PR_PTHREADEXIT,       "PR_PTHREADEXIT"        },
165 #endif
166
167 #ifdef PR_SET_PDEATHSIG
168         { PR_SET_PDEATHSIG,     "PR_SET_PDEATHSIG"      },
169 #endif
170 #ifdef PR_GET_PDEATHSIG
171         { PR_GET_PDEATHSIG,     "PR_GET_PDEATHSIG"      },
172 #endif
173 #ifdef PR_GET_DUMPABLE
174         { PR_GET_DUMPABLE,      "PR_GET_DUMPABLE"       },
175 #endif
176 #ifdef PR_SET_DUMPABLE
177         { PR_SET_DUMPABLE,      "PR_SET_DUMPABLE"       },
178 #endif
179 #ifdef PR_GET_UNALIGN
180         { PR_GET_UNALIGN,       "PR_GET_UNALIGN"        },
181 #endif
182 #ifdef PR_SET_UNALIGN
183         { PR_SET_UNALIGN,       "PR_SET_UNALIGN"        },
184 #endif
185 #ifdef PR_GET_KEEPCAPS
186         { PR_GET_KEEPCAPS,      "PR_GET_KEEPCAPS"       },
187 #endif
188 #ifdef PR_SET_KEEPCAPS
189         { PR_SET_KEEPCAPS,      "PR_SET_KEEPCAPS"       },
190 #endif
191 #ifdef PR_GET_FPEMU
192         { PR_GET_FPEMU,         "PR_GET_FPEMU"          },
193 #endif
194 #ifdef PR_SET_FPEMU
195         { PR_SET_FPEMU,         "PR_SET_FPEMU"          },
196 #endif
197 #ifdef PR_GET_FPEXC
198         { PR_GET_FPEXC,         "PR_GET_FPEXC"          },
199 #endif
200 #ifdef PR_SET_FPEXC
201         { PR_SET_FPEXC,         "PR_SET_FPEXC"          },
202 #endif
203 #ifdef PR_GET_TIMING
204         { PR_GET_TIMING,        "PR_GET_TIMING"         },
205 #endif
206 #ifdef PR_SET_TIMING
207         { PR_SET_TIMING,        "PR_SET_TIMING"         },
208 #endif
209 #ifdef PR_SET_NAME
210         { PR_SET_NAME,          "PR_SET_NAME"           },
211 #endif
212 #ifdef PR_GET_NAME
213         { PR_GET_NAME,          "PR_GET_NAME"           },
214 #endif
215 #ifdef PR_GET_ENDIAN
216         { PR_GET_ENDIAN,        "PR_GET_ENDIAN"         },
217 #endif
218 #ifdef PR_SET_ENDIAN
219         { PR_SET_ENDIAN,        "PR_SET_ENDIAN"         },
220 #endif
221 #ifdef PR_GET_SECCOMP
222         { PR_GET_SECCOMP,       "PR_GET_SECCOMP"        },
223 #endif
224 #ifdef PR_SET_SECCOMP
225         { PR_SET_SECCOMP,       "PR_SET_SECCOMP"        },
226 #endif
227 #ifdef PR_CAPBSET_READ
228         { PR_CAPBSET_READ,      "PR_CAPBSET_READ"       },
229 #endif
230 #ifdef PR_CAPBSET_DROP
231         { PR_CAPBSET_DROP,      "PR_CAPBSET_DROP"       },
232 #endif
233 #ifdef PR_GET_TSC
234         { PR_GET_TSC,           "PR_GET_TSC"            },
235 #endif
236 #ifdef PR_SET_TSC
237         { PR_SET_TSC,           "PR_SET_TSC"            },
238 #endif
239 #ifdef PR_GET_SECUREBITS
240         { PR_GET_SECUREBITS,    "PR_GET_SECUREBITS"     },
241 #endif
242 #ifdef PR_SET_SECUREBITS
243         { PR_SET_SECUREBITS,    "PR_SET_SECUREBITS"     },
244 #endif
245 #ifdef PR_SET_TIMERSLACK
246         { PR_SET_TIMERSLACK,    "PR_SET_TIMERSLACK"     },
247 #endif
248 #ifdef PR_GET_TIMERSLACK
249         { PR_GET_TIMERSLACK,    "PR_GET_TIMERSLACK"     },
250 #endif
251 #ifdef PR_TASK_PERF_EVENTS_DISABLE
252         { PR_TASK_PERF_EVENTS_DISABLE,  "PR_TASK_PERF_EVENTS_DISABLE"   },
253 #endif
254 #ifdef PR_TASK_PERF_EVENTS_ENABLE
255         { PR_TASK_PERF_EVENTS_ENABLE,   "PR_TASK_PERF_EVENTS_ENABLE"    },
256 #endif
257 #ifdef PR_MCE_KILL
258         { PR_MCE_KILL,          "PR_MCE_KILL"           },
259 #endif
260 #ifdef PR_MCE_KILL_GET
261         { PR_MCE_KILL_GET,      "PR_MCE_KILL_GET"       },
262 #endif
263 #ifdef PR_SET_MM
264         { PR_SET_MM,            "PR_SET_MM"             },
265 #endif
266 #ifdef PR_SET_PTRACER
267         { PR_SET_PTRACER,       "PR_SET_PTRACER"        },
268 #endif
269 #ifdef PR_SET_CHILD_SUBREAPER
270         { PR_SET_CHILD_SUBREAPER,       "PR_SET_CHILD_SUBREAPER"        },
271 #endif
272 #ifdef PR_GET_CHILD_SUBREAPER
273         { PR_GET_CHILD_SUBREAPER,       "PR_GET_CHILD_SUBREAPER"        },
274 #endif
275 #ifdef PR_SET_NO_NEW_PRIVS
276         { PR_SET_NO_NEW_PRIVS,  "PR_SET_NO_NEW_PRIVS"   },
277 #endif
278 #ifdef PR_GET_NO_NEW_PRIVS
279         { PR_GET_NO_NEW_PRIVS,  "PR_GET_NO_NEW_PRIVS"   },
280 #endif
281 #ifdef PR_GET_TID_ADDRESS
282         { PR_GET_TID_ADDRESS,   "PR_GET_TID_ADDRESS"    },
283 #endif
284         { 0,                    NULL                    },
285 };
286
287 static const char *
288 unalignctl_string(unsigned int ctl)
289 {
290         static char buf[sizeof(int)*2 + 2];
291
292         switch (ctl) {
293 #ifdef PR_UNALIGN_NOPRINT
294                 case PR_UNALIGN_NOPRINT:
295                         return "NOPRINT";
296 #endif
297 #ifdef PR_UNALIGN_SIGBUS
298                 case PR_UNALIGN_SIGBUS:
299                         return "SIGBUS";
300 #endif
301                 default:
302                         break;
303         }
304         sprintf(buf, "%x", ctl);
305         return buf;
306 }
307
308 int
309 sys_prctl(struct tcb *tcp)
310 {
311         int i;
312
313         if (entering(tcp)) {
314                 printxval(prctl_options, tcp->u_arg[0], "PR_???");
315                 switch (tcp->u_arg[0]) {
316 #ifdef PR_GETNSHARE
317                 case PR_GETNSHARE:
318                         break;
319 #endif
320 #ifdef PR_SET_PDEATHSIG
321                 case PR_SET_PDEATHSIG:
322                         tprintf(", %lu", tcp->u_arg[1]);
323                         break;
324 #endif
325 #ifdef PR_GET_PDEATHSIG
326                 case PR_GET_PDEATHSIG:
327                         break;
328 #endif
329 #ifdef PR_SET_DUMPABLE
330                 case PR_SET_DUMPABLE:
331                         tprintf(", %lu", tcp->u_arg[1]);
332                         break;
333 #endif
334 #ifdef PR_GET_DUMPABLE
335                 case PR_GET_DUMPABLE:
336                         break;
337 #endif
338 #ifdef PR_SET_UNALIGN
339                 case PR_SET_UNALIGN:
340                         tprintf(", %s", unalignctl_string(tcp->u_arg[1]));
341                         break;
342 #endif
343 #ifdef PR_GET_UNALIGN
344                 case PR_GET_UNALIGN:
345                         tprintf(", %#lx", tcp->u_arg[1]);
346                         break;
347 #endif
348 #ifdef PR_SET_KEEPCAPS
349                 case PR_SET_KEEPCAPS:
350                         tprintf(", %lu", tcp->u_arg[1]);
351                         break;
352 #endif
353 #ifdef PR_GET_KEEPCAPS
354                 case PR_GET_KEEPCAPS:
355                         break;
356 #endif
357                 default:
358                         for (i = 1; i < tcp->s_ent->nargs; i++)
359                                 tprintf(", %#lx", tcp->u_arg[i]);
360                         break;
361                 }
362         } else {
363                 switch (tcp->u_arg[0]) {
364 #ifdef PR_GET_PDEATHSIG
365                 case PR_GET_PDEATHSIG:
366                         if (umove(tcp, tcp->u_arg[1], &i) < 0)
367                                 tprintf(", %#lx", tcp->u_arg[1]);
368                         else
369                                 tprintf(", {%u}", i);
370                         break;
371 #endif
372 #ifdef PR_GET_DUMPABLE
373                 case PR_GET_DUMPABLE:
374                         return RVAL_UDECIMAL;
375 #endif
376 #ifdef PR_GET_UNALIGN
377                 case PR_GET_UNALIGN:
378                         if (syserror(tcp) || umove(tcp, tcp->u_arg[1], &i) < 0)
379                                 break;
380                         tcp->auxstr = unalignctl_string(i);
381                         return RVAL_STR;
382 #endif
383 #ifdef PR_GET_KEEPCAPS
384                 case PR_GET_KEEPCAPS:
385                         return RVAL_UDECIMAL;
386 #endif
387                 default:
388                         break;
389                 }
390         }
391         return 0;
392 }
393 #endif /* HAVE_PRCTL */
394
395 int
396 sys_sethostname(struct tcb *tcp)
397 {
398         if (entering(tcp)) {
399                 printpathn(tcp, tcp->u_arg[0], tcp->u_arg[1]);
400                 tprintf(", %lu", tcp->u_arg[1]);
401         }
402         return 0;
403 }
404
405 #if defined(ALPHA)
406 int
407 sys_gethostname(struct tcb *tcp)
408 {
409         if (exiting(tcp)) {
410                 if (syserror(tcp))
411                         tprintf("%#lx", tcp->u_arg[0]);
412                 else
413                         printpath(tcp, tcp->u_arg[0]);
414                 tprintf(", %lu", tcp->u_arg[1]);
415         }
416         return 0;
417 }
418 #endif
419
420 int
421 sys_setdomainname(struct tcb *tcp)
422 {
423         if (entering(tcp)) {
424                 printpathn(tcp, tcp->u_arg[0], tcp->u_arg[1]);
425                 tprintf(", %lu", tcp->u_arg[1]);
426         }
427         return 0;
428 }
429
430 int
431 sys_exit(struct tcb *tcp)
432 {
433         if (exiting(tcp)) {
434                 fprintf(stderr, "_exit returned!\n");
435                 return -1;
436         }
437         /* special case: we stop tracing this process, finish line now */
438         tprintf("%ld) ", tcp->u_arg[0]);
439         tabto();
440         tprints("= ?\n");
441         line_ended();
442         return 0;
443 }
444
445 /* defines copied from linux/sched.h since we can't include that
446  * ourselves (it conflicts with *lots* of libc includes)
447  */
448 #define CSIGNAL         0x000000ff      /* signal mask to be sent at exit */
449 #define CLONE_VM        0x00000100      /* set if VM shared between processes */
450 #define CLONE_FS        0x00000200      /* set if fs info shared between processes */
451 #define CLONE_FILES     0x00000400      /* set if open files shared between processes */
452 #define CLONE_SIGHAND   0x00000800      /* set if signal handlers shared */
453 #define CLONE_IDLETASK  0x00001000      /* kernel-only flag */
454 #define CLONE_PTRACE    0x00002000      /* set if we want to let tracing continue on the child too */
455 #define CLONE_VFORK     0x00004000      /* set if the parent wants the child to wake it up on mm_release */
456 #define CLONE_PARENT    0x00008000      /* set if we want to have the same parent as the cloner */
457 #define CLONE_THREAD    0x00010000      /* Same thread group? */
458 #define CLONE_NEWNS     0x00020000      /* New namespace group? */
459 #define CLONE_SYSVSEM   0x00040000      /* share system V SEM_UNDO semantics */
460 #define CLONE_SETTLS    0x00080000      /* create a new TLS for the child */
461 #define CLONE_PARENT_SETTID     0x00100000      /* set the TID in the parent */
462 #define CLONE_CHILD_CLEARTID    0x00200000      /* clear the TID in the child */
463 #define CLONE_UNTRACED          0x00800000      /* set if the tracing process can't force CLONE_PTRACE on this clone */
464 #define CLONE_CHILD_SETTID      0x01000000      /* set the TID in the child */
465 #define CLONE_STOPPED           0x02000000      /* Start in stopped state */
466 #define CLONE_NEWUTS            0x04000000      /* New utsname group? */
467 #define CLONE_NEWIPC            0x08000000      /* New ipcs */
468 #define CLONE_NEWUSER           0x10000000      /* New user namespace */
469 #define CLONE_NEWPID            0x20000000      /* New pid namespace */
470 #define CLONE_NEWNET            0x40000000      /* New network namespace */
471 #define CLONE_IO                0x80000000      /* Clone io context */
472
473 static const struct xlat clone_flags[] = {
474         { CLONE_VM,             "CLONE_VM"      },
475         { CLONE_FS,             "CLONE_FS"      },
476         { CLONE_FILES,          "CLONE_FILES"   },
477         { CLONE_SIGHAND,        "CLONE_SIGHAND" },
478         { CLONE_IDLETASK,       "CLONE_IDLETASK" },
479         { CLONE_PTRACE,         "CLONE_PTRACE"  },
480         { CLONE_VFORK,          "CLONE_VFORK"   },
481         { CLONE_PARENT,         "CLONE_PARENT"  },
482         { CLONE_THREAD,         "CLONE_THREAD"  },
483         { CLONE_NEWNS,          "CLONE_NEWNS"   },
484         { CLONE_SYSVSEM,        "CLONE_SYSVSEM" },
485         { CLONE_SETTLS,         "CLONE_SETTLS"  },
486         { CLONE_PARENT_SETTID,  "CLONE_PARENT_SETTID" },
487         { CLONE_CHILD_CLEARTID, "CLONE_CHILD_CLEARTID" },
488         { CLONE_UNTRACED,       "CLONE_UNTRACED" },
489         { CLONE_CHILD_SETTID,   "CLONE_CHILD_SETTID" },
490         { CLONE_STOPPED,        "CLONE_STOPPED" },
491         { CLONE_NEWUTS,         "CLONE_NEWUTS"  },
492         { CLONE_NEWIPC,         "CLONE_NEWIPC"  },
493         { CLONE_NEWUSER,        "CLONE_NEWUSER" },
494         { CLONE_NEWPID,         "CLONE_NEWPID"  },
495         { CLONE_NEWNET,         "CLONE_NEWNET"  },
496         { CLONE_IO,             "CLONE_IO"      },
497         { 0,                    NULL            },
498 };
499
500 #ifdef I386
501 # include <asm/ldt.h>
502 #  ifdef HAVE_STRUCT_USER_DESC
503 #   define modify_ldt_ldt_s user_desc
504 #  endif
505 extern void print_ldt_entry();
506 #endif
507
508 #if defined IA64
509 # define ARG_FLAGS      0
510 # define ARG_STACK      1
511 # define ARG_STACKSIZE  (tcp->scno == SYS_clone2 ? 2 : -1)
512 # define ARG_PTID       (tcp->scno == SYS_clone2 ? 3 : 2)
513 # define ARG_CTID       (tcp->scno == SYS_clone2 ? 4 : 3)
514 # define ARG_TLS        (tcp->scno == SYS_clone2 ? 5 : 4)
515 #elif defined S390 || defined S390X || defined CRISV10 || defined CRISV32
516 # define ARG_STACK      0
517 # define ARG_FLAGS      1
518 # define ARG_PTID       2
519 # define ARG_CTID       3
520 # define ARG_TLS        4
521 #elif defined X86_64 || defined X32 || defined ALPHA || defined TILE \
522    || defined OR1K
523 # define ARG_FLAGS      0
524 # define ARG_STACK      1
525 # define ARG_PTID       2
526 # define ARG_CTID       3
527 # define ARG_TLS        4
528 #else
529 # define ARG_FLAGS      0
530 # define ARG_STACK      1
531 # define ARG_PTID       2
532 # define ARG_TLS        3
533 # define ARG_CTID       4
534 #endif
535
536 int
537 sys_clone(struct tcb *tcp)
538 {
539         if (exiting(tcp)) {
540                 const char *sep = "|";
541                 unsigned long flags = tcp->u_arg[ARG_FLAGS];
542                 tprintf("child_stack=%#lx, ", tcp->u_arg[ARG_STACK]);
543 #ifdef ARG_STACKSIZE
544                 if (ARG_STACKSIZE != -1)
545                         tprintf("stack_size=%#lx, ",
546                                 tcp->u_arg[ARG_STACKSIZE]);
547 #endif
548                 tprints("flags=");
549                 if (!printflags(clone_flags, flags &~ CSIGNAL, NULL))
550                         sep = "";
551                 if ((flags & CSIGNAL) != 0)
552                         tprintf("%s%s", sep, signame(flags & CSIGNAL));
553                 if ((flags & (CLONE_PARENT_SETTID|CLONE_CHILD_SETTID
554                               |CLONE_CHILD_CLEARTID|CLONE_SETTLS)) == 0)
555                         return 0;
556                 if (flags & CLONE_PARENT_SETTID)
557                         tprintf(", parent_tidptr=%#lx", tcp->u_arg[ARG_PTID]);
558                 if (flags & CLONE_SETTLS) {
559 #ifdef I386
560                         struct modify_ldt_ldt_s copy;
561                         if (umove(tcp, tcp->u_arg[ARG_TLS], &copy) != -1) {
562                                 tprintf(", {entry_number:%d, ",
563                                         copy.entry_number);
564                                 if (!verbose(tcp))
565                                         tprints("...}");
566                                 else
567                                         print_ldt_entry(&copy);
568                         }
569                         else
570 #endif
571                                 tprintf(", tls=%#lx", tcp->u_arg[ARG_TLS]);
572                 }
573                 if (flags & (CLONE_CHILD_SETTID|CLONE_CHILD_CLEARTID))
574                         tprintf(", child_tidptr=%#lx", tcp->u_arg[ARG_CTID]);
575         }
576         /* TODO on syscall entry:
577          * We can clear CLONE_PTRACE here since it is an ancient hack
578          * to allow us to catch children, and we use another hack for that.
579          * But CLONE_PTRACE can conceivably be used by malicious programs
580          * to subvert us. By clearing this bit, we can defend against it:
581          * in untraced execution, CLONE_PTRACE should have no effect.
582          *
583          * We can also clear CLONE_UNTRACED, since it allows to start
584          * children outside of our control. At the moment
585          * I'm trying to figure out whether there is a *legitimate*
586          * use of this flag which we should respect.
587          */
588         return 0;
589 }
590
591 int
592 sys_unshare(struct tcb *tcp)
593 {
594         if (entering(tcp))
595                 printflags(clone_flags, tcp->u_arg[0], "CLONE_???");
596         return 0;
597 }
598
599 int
600 sys_fork(struct tcb *tcp)
601 {
602         if (exiting(tcp))
603                 return RVAL_UDECIMAL;
604         return 0;
605 }
606
607 int
608 sys_vfork(struct tcb *tcp)
609 {
610         if (exiting(tcp))
611                 return RVAL_UDECIMAL;
612         return 0;
613 }
614
615 int sys_getuid(struct tcb *tcp)
616 {
617         if (exiting(tcp))
618                 tcp->u_rval = (uid_t) tcp->u_rval;
619         return RVAL_UDECIMAL;
620 }
621
622 int sys_setfsuid(struct tcb *tcp)
623 {
624         if (entering(tcp))
625                 tprintf("%u", (uid_t) tcp->u_arg[0]);
626         else
627                 tcp->u_rval = (uid_t) tcp->u_rval;
628         return RVAL_UDECIMAL;
629 }
630
631 int
632 sys_setuid(struct tcb *tcp)
633 {
634         if (entering(tcp)) {
635                 tprintf("%u", (uid_t) tcp->u_arg[0]);
636         }
637         return 0;
638 }
639
640 int
641 sys_getresuid(struct tcb *tcp)
642 {
643         if (exiting(tcp)) {
644                 __kernel_uid_t uid;
645                 if (syserror(tcp))
646                         tprintf("%#lx, %#lx, %#lx", tcp->u_arg[0],
647                                 tcp->u_arg[1], tcp->u_arg[2]);
648                 else {
649                         if (umove(tcp, tcp->u_arg[0], &uid) < 0)
650                                 tprintf("%#lx, ", tcp->u_arg[0]);
651                         else
652                                 tprintf("[%lu], ", (unsigned long) uid);
653                         if (umove(tcp, tcp->u_arg[1], &uid) < 0)
654                                 tprintf("%#lx, ", tcp->u_arg[1]);
655                         else
656                                 tprintf("[%lu], ", (unsigned long) uid);
657                         if (umove(tcp, tcp->u_arg[2], &uid) < 0)
658                                 tprintf("%#lx", tcp->u_arg[2]);
659                         else
660                                 tprintf("[%lu]", (unsigned long) uid);
661                 }
662         }
663         return 0;
664 }
665
666 int
667 sys_setreuid(struct tcb *tcp)
668 {
669         if (entering(tcp)) {
670                 printuid("", tcp->u_arg[0]);
671                 printuid(", ", tcp->u_arg[1]);
672         }
673         return 0;
674 }
675
676 int
677 sys_setresuid(struct tcb *tcp)
678 {
679         if (entering(tcp)) {
680                 printuid("", tcp->u_arg[0]);
681                 printuid(", ", tcp->u_arg[1]);
682                 printuid(", ", tcp->u_arg[2]);
683         }
684         return 0;
685 }
686
687 int
688 sys_setgroups(struct tcb *tcp)
689 {
690         if (entering(tcp)) {
691                 unsigned long len, size, start, cur, end, abbrev_end;
692                 GETGROUPS_T gid;
693                 int failed = 0;
694
695                 len = tcp->u_arg[0];
696                 tprintf("%lu, ", len);
697                 if (len == 0) {
698                         tprints("[]");
699                         return 0;
700                 }
701                 start = tcp->u_arg[1];
702                 if (start == 0) {
703                         tprints("NULL");
704                         return 0;
705                 }
706                 size = len * sizeof(gid);
707                 end = start + size;
708                 if (!verbose(tcp) || size / sizeof(gid) != len || end < start) {
709                         tprintf("%#lx", start);
710                         return 0;
711                 }
712                 if (abbrev(tcp)) {
713                         abbrev_end = start + max_strlen * sizeof(gid);
714                         if (abbrev_end < start)
715                                 abbrev_end = end;
716                 } else {
717                         abbrev_end = end;
718                 }
719                 tprints("[");
720                 for (cur = start; cur < end; cur += sizeof(gid)) {
721                         if (cur > start)
722                                 tprints(", ");
723                         if (cur >= abbrev_end) {
724                                 tprints("...");
725                                 break;
726                         }
727                         if (umoven(tcp, cur, sizeof(gid), (char *) &gid) < 0) {
728                                 tprints("?");
729                                 failed = 1;
730                                 break;
731                         }
732                         tprintf("%lu", (unsigned long) gid);
733                 }
734                 tprints("]");
735                 if (failed)
736                         tprintf(" %#lx", tcp->u_arg[1]);
737         }
738         return 0;
739 }
740
741 int
742 sys_getgroups(struct tcb *tcp)
743 {
744         unsigned long len;
745
746         if (entering(tcp)) {
747                 len = tcp->u_arg[0];
748                 tprintf("%lu, ", len);
749         } else {
750                 unsigned long size, start, cur, end, abbrev_end;
751                 GETGROUPS_T gid;
752                 int failed = 0;
753
754                 len = tcp->u_rval;
755                 if (len == 0) {
756                         tprints("[]");
757                         return 0;
758                 }
759                 start = tcp->u_arg[1];
760                 if (start == 0) {
761                         tprints("NULL");
762                         return 0;
763                 }
764                 if (tcp->u_arg[0] == 0) {
765                         tprintf("%#lx", start);
766                         return 0;
767                 }
768                 size = len * sizeof(gid);
769                 end = start + size;
770                 if (!verbose(tcp) || tcp->u_arg[0] == 0 ||
771                     size / sizeof(gid) != len || end < start) {
772                         tprintf("%#lx", start);
773                         return 0;
774                 }
775                 if (abbrev(tcp)) {
776                         abbrev_end = start + max_strlen * sizeof(gid);
777                         if (abbrev_end < start)
778                                 abbrev_end = end;
779                 } else {
780                         abbrev_end = end;
781                 }
782                 tprints("[");
783                 for (cur = start; cur < end; cur += sizeof(gid)) {
784                         if (cur > start)
785                                 tprints(", ");
786                         if (cur >= abbrev_end) {
787                                 tprints("...");
788                                 break;
789                         }
790                         if (umoven(tcp, cur, sizeof(gid), (char *) &gid) < 0) {
791                                 tprints("?");
792                                 failed = 1;
793                                 break;
794                         }
795                         tprintf("%lu", (unsigned long) gid);
796                 }
797                 tprints("]");
798                 if (failed)
799                         tprintf(" %#lx", tcp->u_arg[1]);
800         }
801         return 0;
802 }
803
804 int
805 sys_setgroups32(struct tcb *tcp)
806 {
807         if (entering(tcp)) {
808                 unsigned long len, size, start, cur, end, abbrev_end;
809                 GETGROUPS32_T gid;
810                 int failed = 0;
811
812                 len = tcp->u_arg[0];
813                 tprintf("%lu, ", len);
814                 if (len == 0) {
815                         tprints("[]");
816                         return 0;
817                 }
818                 start = tcp->u_arg[1];
819                 if (start == 0) {
820                         tprints("NULL");
821                         return 0;
822                 }
823                 size = len * sizeof(gid);
824                 end = start + size;
825                 if (!verbose(tcp) || size / sizeof(gid) != len || end < start) {
826                         tprintf("%#lx", start);
827                         return 0;
828                 }
829                 if (abbrev(tcp)) {
830                         abbrev_end = start + max_strlen * sizeof(gid);
831                         if (abbrev_end < start)
832                                 abbrev_end = end;
833                 } else {
834                         abbrev_end = end;
835                 }
836                 tprints("[");
837                 for (cur = start; cur < end; cur += sizeof(gid)) {
838                         if (cur > start)
839                                 tprints(", ");
840                         if (cur >= abbrev_end) {
841                                 tprints("...");
842                                 break;
843                         }
844                         if (umoven(tcp, cur, sizeof(gid), (char *) &gid) < 0) {
845                                 tprints("?");
846                                 failed = 1;
847                                 break;
848                         }
849                         tprintf("%lu", (unsigned long) gid);
850                 }
851                 tprints("]");
852                 if (failed)
853                         tprintf(" %#lx", tcp->u_arg[1]);
854         }
855         return 0;
856 }
857
858 int
859 sys_getgroups32(struct tcb *tcp)
860 {
861         unsigned long len;
862
863         if (entering(tcp)) {
864                 len = tcp->u_arg[0];
865                 tprintf("%lu, ", len);
866         } else {
867                 unsigned long size, start, cur, end, abbrev_end;
868                 GETGROUPS32_T gid;
869                 int failed = 0;
870
871                 len = tcp->u_rval;
872                 if (len == 0) {
873                         tprints("[]");
874                         return 0;
875                 }
876                 start = tcp->u_arg[1];
877                 if (start == 0) {
878                         tprints("NULL");
879                         return 0;
880                 }
881                 size = len * sizeof(gid);
882                 end = start + size;
883                 if (!verbose(tcp) || tcp->u_arg[0] == 0 ||
884                     size / sizeof(gid) != len || end < start) {
885                         tprintf("%#lx", start);
886                         return 0;
887                 }
888                 if (abbrev(tcp)) {
889                         abbrev_end = start + max_strlen * sizeof(gid);
890                         if (abbrev_end < start)
891                                 abbrev_end = end;
892                 } else {
893                         abbrev_end = end;
894                 }
895                 tprints("[");
896                 for (cur = start; cur < end; cur += sizeof(gid)) {
897                         if (cur > start)
898                                 tprints(", ");
899                         if (cur >= abbrev_end) {
900                                 tprints("...");
901                                 break;
902                         }
903                         if (umoven(tcp, cur, sizeof(gid), (char *) &gid) < 0) {
904                                 tprints("?");
905                                 failed = 1;
906                                 break;
907                         }
908                         tprintf("%lu", (unsigned long) gid);
909                 }
910                 tprints("]");
911                 if (failed)
912                         tprintf(" %#lx", tcp->u_arg[1]);
913         }
914         return 0;
915 }
916
917 static void
918 printargv(struct tcb *tcp, long addr)
919 {
920         union {
921                 unsigned int p32;
922                 unsigned long p64;
923                 char data[sizeof(long)];
924         } cp;
925         const char *sep;
926         int n = 0;
927         unsigned wordsize = current_wordsize;
928
929         cp.p64 = 1;
930         for (sep = ""; !abbrev(tcp) || n < max_strlen / 2; sep = ", ", ++n) {
931                 if (umoven(tcp, addr, wordsize, cp.data) < 0) {
932                         tprintf("%#lx", addr);
933                         return;
934                 }
935                 if (wordsize == 4)
936                         cp.p64 = cp.p32;
937                 if (cp.p64 == 0)
938                         break;
939                 tprints(sep);
940                 printstr(tcp, cp.p64, -1);
941                 addr += wordsize;
942         }
943         if (cp.p64)
944                 tprintf("%s...", sep);
945 }
946
947 static void
948 printargc(const char *fmt, struct tcb *tcp, long addr)
949 {
950         int count;
951         char *cp;
952
953         for (count = 0; umove(tcp, addr, &cp) >= 0 && cp != NULL; count++) {
954                 addr += sizeof(char *);
955         }
956         tprintf(fmt, count, count == 1 ? "" : "s");
957 }
958
959 #if defined(SPARC) || defined(SPARC64)
960 int
961 sys_execv(struct tcb *tcp)
962 {
963         if (entering(tcp)) {
964                 printpath(tcp, tcp->u_arg[0]);
965                 if (!verbose(tcp))
966                         tprintf(", %#lx", tcp->u_arg[1]);
967                 else {
968                         tprints(", [");
969                         printargv(tcp, tcp->u_arg[1]);
970                         tprints("]");
971                 }
972         }
973         return 0;
974 }
975 #endif
976
977 int
978 sys_execve(struct tcb *tcp)
979 {
980         if (entering(tcp)) {
981                 printpath(tcp, tcp->u_arg[0]);
982                 if (!verbose(tcp))
983                         tprintf(", %#lx", tcp->u_arg[1]);
984                 else {
985                         tprints(", [");
986                         printargv(tcp, tcp->u_arg[1]);
987                         tprints("]");
988                 }
989                 if (!verbose(tcp))
990                         tprintf(", %#lx", tcp->u_arg[2]);
991                 else if (abbrev(tcp))
992                         printargc(", [/* %d var%s */]", tcp, tcp->u_arg[2]);
993                 else {
994                         tprints(", [");
995                         printargv(tcp, tcp->u_arg[2]);
996                         tprints("]");
997                 }
998         }
999         return 0;
1000 }
1001
1002 #ifndef __WNOTHREAD
1003 #define __WNOTHREAD     0x20000000
1004 #endif
1005 #ifndef __WALL
1006 #define __WALL          0x40000000
1007 #endif
1008 #ifndef __WCLONE
1009 #define __WCLONE        0x80000000
1010 #endif
1011
1012 static const struct xlat wait4_options[] = {
1013         { WNOHANG,      "WNOHANG"       },
1014 #ifndef WSTOPPED
1015         { WUNTRACED,    "WUNTRACED"     },
1016 #endif
1017 #ifdef WEXITED
1018         { WEXITED,      "WEXITED"       },
1019 #endif
1020 #ifdef WTRAPPED
1021         { WTRAPPED,     "WTRAPPED"      },
1022 #endif
1023 #ifdef WSTOPPED
1024         { WSTOPPED,     "WSTOPPED"      },
1025 #endif
1026 #ifdef WCONTINUED
1027         { WCONTINUED,   "WCONTINUED"    },
1028 #endif
1029 #ifdef WNOWAIT
1030         { WNOWAIT,      "WNOWAIT"       },
1031 #endif
1032 #ifdef __WCLONE
1033         { __WCLONE,     "__WCLONE"      },
1034 #endif
1035 #ifdef __WALL
1036         { __WALL,       "__WALL"        },
1037 #endif
1038 #ifdef __WNOTHREAD
1039         { __WNOTHREAD,  "__WNOTHREAD"   },
1040 #endif
1041         { 0,            NULL            },
1042 };
1043
1044 #if !defined WCOREFLAG && defined WCOREFLG
1045 # define WCOREFLAG WCOREFLG
1046 #endif
1047 #ifndef WCOREFLAG
1048 # define WCOREFLAG 0x80
1049 #endif
1050 #ifndef WCOREDUMP
1051 # define WCOREDUMP(status)  ((status) & 0200)
1052 #endif
1053 #ifndef W_STOPCODE
1054 # define W_STOPCODE(sig)  ((sig) << 8 | 0x7f)
1055 #endif
1056 #ifndef W_EXITCODE
1057 # define W_EXITCODE(ret, sig)  ((ret) << 8 | (sig))
1058 #endif
1059
1060 static int
1061 printstatus(int status)
1062 {
1063         int exited = 0;
1064
1065         /*
1066          * Here is a tricky presentation problem.  This solution
1067          * is still not entirely satisfactory but since there
1068          * are no wait status constructors it will have to do.
1069          */
1070         if (WIFSTOPPED(status)) {
1071                 tprintf("[{WIFSTOPPED(s) && WSTOPSIG(s) == %s}",
1072                         signame(WSTOPSIG(status)));
1073                 status &= ~W_STOPCODE(WSTOPSIG(status));
1074         }
1075         else if (WIFSIGNALED(status)) {
1076                 tprintf("[{WIFSIGNALED(s) && WTERMSIG(s) == %s%s}",
1077                         signame(WTERMSIG(status)),
1078                         WCOREDUMP(status) ? " && WCOREDUMP(s)" : "");
1079                 status &= ~(W_EXITCODE(0, WTERMSIG(status)) | WCOREFLAG);
1080         }
1081         else if (WIFEXITED(status)) {
1082                 tprintf("[{WIFEXITED(s) && WEXITSTATUS(s) == %d}",
1083                         WEXITSTATUS(status));
1084                 exited = 1;
1085                 status &= ~W_EXITCODE(WEXITSTATUS(status), 0);
1086         }
1087         else {
1088                 tprintf("[%#x]", status);
1089                 return 0;
1090         }
1091
1092         if (status == 0)
1093                 tprints("]");
1094         else
1095                 tprintf(" | %#x]", status);
1096
1097         return exited;
1098 }
1099
1100 static int
1101 printwaitn(struct tcb *tcp, int n, int bitness)
1102 {
1103         int status;
1104
1105         if (entering(tcp)) {
1106                 /* On Linux, kernel-side pid_t is typedef'ed to int
1107                  * on all arches. Also, glibc-2.8 truncates wait3 and wait4
1108                  * pid argument to int on 64bit arches, producing,
1109                  * for example, wait4(4294967295, ...) instead of -1
1110                  * in strace. We have to use int here, not long.
1111                  */
1112                 int pid = tcp->u_arg[0];
1113                 tprintf("%d, ", pid);
1114         } else {
1115                 /* status */
1116                 if (!tcp->u_arg[1])
1117                         tprints("NULL");
1118                 else if (syserror(tcp) || tcp->u_rval == 0)
1119                         tprintf("%#lx", tcp->u_arg[1]);
1120                 else if (umove(tcp, tcp->u_arg[1], &status) < 0)
1121                         tprints("[?]");
1122                 else
1123                         printstatus(status);
1124                 /* options */
1125                 tprints(", ");
1126                 printflags(wait4_options, tcp->u_arg[2], "W???");
1127                 if (n == 4) {
1128                         tprints(", ");
1129                         /* usage */
1130                         if (!tcp->u_arg[3])
1131                                 tprints("NULL");
1132                         else if (tcp->u_rval > 0) {
1133 #ifdef ALPHA
1134                                 if (bitness)
1135                                         printrusage32(tcp, tcp->u_arg[3]);
1136                                 else
1137 #endif
1138                                         printrusage(tcp, tcp->u_arg[3]);
1139                         }
1140                         else
1141                                 tprintf("%#lx", tcp->u_arg[3]);
1142                 }
1143         }
1144         return 0;
1145 }
1146
1147 int
1148 sys_waitpid(struct tcb *tcp)
1149 {
1150         return printwaitn(tcp, 3, 0);
1151 }
1152
1153 int
1154 sys_wait4(struct tcb *tcp)
1155 {
1156         return printwaitn(tcp, 4, 0);
1157 }
1158
1159 #ifdef ALPHA
1160 int
1161 sys_osf_wait4(struct tcb *tcp)
1162 {
1163         return printwaitn(tcp, 4, 1);
1164 }
1165 #endif
1166
1167 static const struct xlat waitid_types[] = {
1168         { P_PID,        "P_PID"         },
1169 #ifdef P_PPID
1170         { P_PPID,       "P_PPID"        },
1171 #endif
1172         { P_PGID,       "P_PGID"        },
1173 #ifdef P_SID
1174         { P_SID,        "P_SID"         },
1175 #endif
1176 #ifdef P_CID
1177         { P_CID,        "P_CID"         },
1178 #endif
1179 #ifdef P_UID
1180         { P_UID,        "P_UID"         },
1181 #endif
1182 #ifdef P_GID
1183         { P_GID,        "P_GID"         },
1184 #endif
1185         { P_ALL,        "P_ALL"         },
1186 #ifdef P_LWPID
1187         { P_LWPID,      "P_LWPID"       },
1188 #endif
1189         { 0,            NULL            },
1190 };
1191
1192 int
1193 sys_waitid(struct tcb *tcp)
1194 {
1195         if (entering(tcp)) {
1196                 printxval(waitid_types, tcp->u_arg[0], "P_???");
1197                 tprintf(", %ld, ", tcp->u_arg[1]);
1198         }
1199         else {
1200                 /* siginfo */
1201                 printsiginfo_at(tcp, tcp->u_arg[2]);
1202                 /* options */
1203                 tprints(", ");
1204                 printflags(wait4_options, tcp->u_arg[3], "W???");
1205                 if (tcp->s_ent->nargs > 4) {
1206                         /* usage */
1207                         tprints(", ");
1208                         if (!tcp->u_arg[4])
1209                                 tprints("NULL");
1210                         else if (tcp->u_error)
1211                                 tprintf("%#lx", tcp->u_arg[4]);
1212                         else
1213                                 printrusage(tcp, tcp->u_arg[4]);
1214                 }
1215         }
1216         return 0;
1217 }
1218
1219 int
1220 sys_uname(struct tcb *tcp)
1221 {
1222         struct utsname uname;
1223
1224         if (exiting(tcp)) {
1225                 if (syserror(tcp) || !verbose(tcp))
1226                         tprintf("%#lx", tcp->u_arg[0]);
1227                 else if (umove(tcp, tcp->u_arg[0], &uname) < 0)
1228                         tprints("{...}");
1229                 else if (!abbrev(tcp)) {
1230                         tprintf("{sysname=\"%s\", nodename=\"%s\", ",
1231                                 uname.sysname, uname.nodename);
1232                         tprintf("release=\"%s\", version=\"%s\", ",
1233                                 uname.release, uname.version);
1234                         tprintf("machine=\"%s\"", uname.machine);
1235 #ifdef HAVE_STRUCT_UTSNAME_DOMAINNAME
1236                         tprintf(", domainname=\"%s\"", uname.domainname);
1237 #endif
1238                         tprints("}");
1239                 }
1240                 else
1241                         tprintf("{sys=\"%s\", node=\"%s\", ...}",
1242                                 uname.sysname, uname.nodename);
1243         }
1244         return 0;
1245 }
1246
1247 static const struct xlat ptrace_cmds[] = {
1248         { PTRACE_TRACEME,       "PTRACE_TRACEME"        },
1249         { PTRACE_PEEKTEXT,      "PTRACE_PEEKTEXT"       },
1250         { PTRACE_PEEKDATA,      "PTRACE_PEEKDATA"       },
1251         { PTRACE_PEEKUSER,      "PTRACE_PEEKUSER"       },
1252         { PTRACE_POKETEXT,      "PTRACE_POKETEXT"       },
1253         { PTRACE_POKEDATA,      "PTRACE_POKEDATA"       },
1254         { PTRACE_POKEUSER,      "PTRACE_POKEUSER"       },
1255         { PTRACE_CONT,          "PTRACE_CONT"           },
1256         { PTRACE_KILL,          "PTRACE_KILL"           },
1257         { PTRACE_SINGLESTEP,    "PTRACE_SINGLESTEP"     },
1258         { PTRACE_ATTACH,        "PTRACE_ATTACH"         },
1259         { PTRACE_DETACH,        "PTRACE_DETACH"         },
1260 #ifdef PTRACE_GETREGS
1261         { PTRACE_GETREGS,       "PTRACE_GETREGS"        },
1262 #endif
1263 #ifdef PTRACE_SETREGS
1264         { PTRACE_SETREGS,       "PTRACE_SETREGS"        },
1265 #endif
1266 #ifdef PTRACE_GETFPREGS
1267         { PTRACE_GETFPREGS,     "PTRACE_GETFPREGS"      },
1268 #endif
1269 #ifdef PTRACE_SETFPREGS
1270         { PTRACE_SETFPREGS,     "PTRACE_SETFPREGS"      },
1271 #endif
1272 #ifdef PTRACE_GETFPXREGS
1273         { PTRACE_GETFPXREGS,    "PTRACE_GETFPXREGS"     },
1274 #endif
1275 #ifdef PTRACE_SETFPXREGS
1276         { PTRACE_SETFPXREGS,    "PTRACE_SETFPXREGS"     },
1277 #endif
1278 #ifdef PTRACE_GETVRREGS
1279         { PTRACE_GETVRREGS,     "PTRACE_GETVRREGS"      },
1280 #endif
1281 #ifdef PTRACE_SETVRREGS
1282         { PTRACE_SETVRREGS,     "PTRACE_SETVRREGS"      },
1283 #endif
1284 #ifdef PTRACE_SETOPTIONS
1285         { PTRACE_SETOPTIONS,    "PTRACE_SETOPTIONS"     },
1286 #endif
1287 #ifdef PTRACE_GETEVENTMSG
1288         { PTRACE_GETEVENTMSG,   "PTRACE_GETEVENTMSG"    },
1289 #endif
1290 #ifdef PTRACE_GETSIGINFO
1291         { PTRACE_GETSIGINFO,    "PTRACE_GETSIGINFO"     },
1292 #endif
1293 #ifdef PTRACE_SETSIGINFO
1294         { PTRACE_SETSIGINFO,    "PTRACE_SETSIGINFO"     },
1295 #endif
1296 #ifdef PTRACE_GETREGSET
1297         { PTRACE_GETREGSET,     "PTRACE_GETREGSET"      },
1298 #endif
1299 #ifdef PTRACE_SETREGSET
1300         { PTRACE_SETREGSET,     "PTRACE_SETREGSET"      },
1301 #endif
1302 #ifdef PTRACE_SET_SYSCALL
1303         { PTRACE_SET_SYSCALL,   "PTRACE_SET_SYSCALL"    },
1304 #endif
1305 #ifdef PTRACE_SEIZE
1306         { PTRACE_SEIZE,         "PTRACE_SEIZE"          },
1307 #endif
1308 #ifdef PTRACE_INTERRUPT
1309         { PTRACE_INTERRUPT,     "PTRACE_INTERRUPT"      },
1310 #endif
1311 #ifdef PTRACE_LISTEN
1312         { PTRACE_LISTEN,        "PTRACE_LISTEN"         },
1313 #endif
1314         { PTRACE_SYSCALL,       "PTRACE_SYSCALL"        },
1315
1316         { 0,                    NULL                    },
1317 };
1318
1319 #ifdef PTRACE_SETOPTIONS
1320 static const struct xlat ptrace_setoptions_flags[] = {
1321 # ifdef PTRACE_O_TRACESYSGOOD
1322         { PTRACE_O_TRACESYSGOOD,"PTRACE_O_TRACESYSGOOD" },
1323 # endif
1324 # ifdef PTRACE_O_TRACEFORK
1325         { PTRACE_O_TRACEFORK,   "PTRACE_O_TRACEFORK"    },
1326 # endif
1327 # ifdef PTRACE_O_TRACEVFORK
1328         { PTRACE_O_TRACEVFORK,  "PTRACE_O_TRACEVFORK"   },
1329 # endif
1330 # ifdef PTRACE_O_TRACECLONE
1331         { PTRACE_O_TRACECLONE,  "PTRACE_O_TRACECLONE"   },
1332 # endif
1333 # ifdef PTRACE_O_TRACEEXEC
1334         { PTRACE_O_TRACEEXEC,   "PTRACE_O_TRACEEXEC"    },
1335 # endif
1336 # ifdef PTRACE_O_TRACEVFORKDONE
1337         { PTRACE_O_TRACEVFORKDONE,"PTRACE_O_TRACEVFORKDONE"},
1338 # endif
1339 # ifdef PTRACE_O_TRACEEXIT
1340         { PTRACE_O_TRACEEXIT,   "PTRACE_O_TRACEEXIT"    },
1341 # endif
1342 # ifdef PTRACE_O_TRACESECCOMP
1343         { PTRACE_O_TRACESECCOMP,"PTRACE_O_TRACESECCOMP" },
1344 # endif
1345 # ifdef PTRACE_O_EXITKILL
1346         { PTRACE_O_EXITKILL,    "PTRACE_O_EXITKILL"     },
1347 # endif
1348         { 0,                    NULL                    },
1349 };
1350 #endif /* PTRACE_SETOPTIONS */
1351
1352 static const struct xlat nt_descriptor_types[] = {
1353 #ifdef NT_PRSTATUS
1354         { NT_PRSTATUS,          "NT_PRSTATUS" },
1355 #endif
1356 #ifdef NT_FPREGSET
1357         { NT_FPREGSET,          "NT_FPREGSET" },
1358 #endif
1359 #ifdef NT_PRPSINFO
1360         { NT_PRPSINFO,          "NT_PRPSINFO" },
1361 #endif
1362 #ifdef NT_PRXREG
1363         { NT_PRXREG,            "NT_PRXREG" },
1364 #endif
1365 #ifdef NT_TASKSTRUCT
1366         { NT_TASKSTRUCT,        "NT_TASKSTRUCT" },
1367 #endif
1368 #ifdef NT_PLATFORM
1369         { NT_PLATFORM,          "NT_PLATFORM" },
1370 #endif
1371 #ifdef NT_AUXV
1372         { NT_AUXV,              "NT_AUXV" },
1373 #endif
1374 #ifdef NT_GWINDOWS
1375         { NT_GWINDOWS,          "NT_GWINDOWS" },
1376 #endif
1377 #ifdef NT_ASRS
1378         { NT_ASRS,              "NT_ASRS" },
1379 #endif
1380 #ifdef NT_PSTATUS
1381         { NT_PSTATUS,           "NT_PSTATUS" },
1382 #endif
1383 #ifdef NT_PSINFO
1384         { NT_PSINFO,            "NT_PSINFO" },
1385 #endif
1386 #ifdef NT_PRCRED
1387         { NT_PRCRED,            "NT_PRCRED" },
1388 #endif
1389 #ifdef NT_UTSNAME
1390         { NT_UTSNAME,           "NT_UTSNAME" },
1391 #endif
1392 #ifdef NT_LWPSTATUS
1393         { NT_LWPSTATUS,         "NT_LWPSTATUS" },
1394 #endif
1395 #ifdef NT_LWPSINFO
1396         { NT_LWPSINFO,          "NT_LWPSINFO" },
1397 #endif
1398 #ifdef NT_PRFPXREG
1399         { NT_PRFPXREG,          "NT_PRFPXREG" },
1400 #endif
1401 #ifdef NT_PRXFPREG
1402         { NT_PRXFPREG,          "NT_PRXFPREG" },
1403 #endif
1404 #ifdef NT_PPC_VMX
1405         { NT_PPC_VMX,           "NT_PPC_VMX" },
1406 #endif
1407 #ifdef NT_PPC_SPE
1408         { NT_PPC_SPE,           "NT_PPC_SPE" },
1409 #endif
1410 #ifdef NT_PPC_VSX
1411         { NT_PPC_VSX,           "NT_PPC_VSX" },
1412 #endif
1413 #ifdef NT_386_TLS
1414         { NT_386_TLS,           "NT_386_TLS" },
1415 #endif
1416 #ifdef NT_386_IOPERM
1417         { NT_386_IOPERM,        "NT_386_IOPERM" },
1418 #endif
1419 #ifdef NT_X86_XSTATE
1420         { NT_X86_XSTATE,        "NT_X86_XSTATE" },
1421 #endif
1422         { 0,                    NULL },
1423 };
1424
1425 #define uoff(member)    offsetof(struct user, member)
1426
1427 const struct xlat struct_user_offsets[] = {
1428 #if defined(S390) || defined(S390X)
1429         { PT_PSWMASK,           "psw_mask"                              },
1430         { PT_PSWADDR,           "psw_addr"                              },
1431         { PT_GPR0,              "gpr0"                                  },
1432         { PT_GPR1,              "gpr1"                                  },
1433         { PT_GPR2,              "gpr2"                                  },
1434         { PT_GPR3,              "gpr3"                                  },
1435         { PT_GPR4,              "gpr4"                                  },
1436         { PT_GPR5,              "gpr5"                                  },
1437         { PT_GPR6,              "gpr6"                                  },
1438         { PT_GPR7,              "gpr7"                                  },
1439         { PT_GPR8,              "gpr8"                                  },
1440         { PT_GPR9,              "gpr9"                                  },
1441         { PT_GPR10,             "gpr10"                                 },
1442         { PT_GPR11,             "gpr11"                                 },
1443         { PT_GPR12,             "gpr12"                                 },
1444         { PT_GPR13,             "gpr13"                                 },
1445         { PT_GPR14,             "gpr14"                                 },
1446         { PT_GPR15,             "gpr15"                                 },
1447         { PT_ACR0,              "acr0"                                  },
1448         { PT_ACR1,              "acr1"                                  },
1449         { PT_ACR2,              "acr2"                                  },
1450         { PT_ACR3,              "acr3"                                  },
1451         { PT_ACR4,              "acr4"                                  },
1452         { PT_ACR5,              "acr5"                                  },
1453         { PT_ACR6,              "acr6"                                  },
1454         { PT_ACR7,              "acr7"                                  },
1455         { PT_ACR8,              "acr8"                                  },
1456         { PT_ACR9,              "acr9"                                  },
1457         { PT_ACR10,             "acr10"                                 },
1458         { PT_ACR11,             "acr11"                                 },
1459         { PT_ACR12,             "acr12"                                 },
1460         { PT_ACR13,             "acr13"                                 },
1461         { PT_ACR14,             "acr14"                                 },
1462         { PT_ACR15,             "acr15"                                 },
1463         { PT_ORIGGPR2,          "orig_gpr2"                             },
1464         { PT_FPC,               "fpc"                                   },
1465 #if defined(S390)
1466         { PT_FPR0_HI,           "fpr0.hi"                               },
1467         { PT_FPR0_LO,           "fpr0.lo"                               },
1468         { PT_FPR1_HI,           "fpr1.hi"                               },
1469         { PT_FPR1_LO,           "fpr1.lo"                               },
1470         { PT_FPR2_HI,           "fpr2.hi"                               },
1471         { PT_FPR2_LO,           "fpr2.lo"                               },
1472         { PT_FPR3_HI,           "fpr3.hi"                               },
1473         { PT_FPR3_LO,           "fpr3.lo"                               },
1474         { PT_FPR4_HI,           "fpr4.hi"                               },
1475         { PT_FPR4_LO,           "fpr4.lo"                               },
1476         { PT_FPR5_HI,           "fpr5.hi"                               },
1477         { PT_FPR5_LO,           "fpr5.lo"                               },
1478         { PT_FPR6_HI,           "fpr6.hi"                               },
1479         { PT_FPR6_LO,           "fpr6.lo"                               },
1480         { PT_FPR7_HI,           "fpr7.hi"                               },
1481         { PT_FPR7_LO,           "fpr7.lo"                               },
1482         { PT_FPR8_HI,           "fpr8.hi"                               },
1483         { PT_FPR8_LO,           "fpr8.lo"                               },
1484         { PT_FPR9_HI,           "fpr9.hi"                               },
1485         { PT_FPR9_LO,           "fpr9.lo"                               },
1486         { PT_FPR10_HI,          "fpr10.hi"                              },
1487         { PT_FPR10_LO,          "fpr10.lo"                              },
1488         { PT_FPR11_HI,          "fpr11.hi"                              },
1489         { PT_FPR11_LO,          "fpr11.lo"                              },
1490         { PT_FPR12_HI,          "fpr12.hi"                              },
1491         { PT_FPR12_LO,          "fpr12.lo"                              },
1492         { PT_FPR13_HI,          "fpr13.hi"                              },
1493         { PT_FPR13_LO,          "fpr13.lo"                              },
1494         { PT_FPR14_HI,          "fpr14.hi"                              },
1495         { PT_FPR14_LO,          "fpr14.lo"                              },
1496         { PT_FPR15_HI,          "fpr15.hi"                              },
1497         { PT_FPR15_LO,          "fpr15.lo"                              },
1498 #endif
1499 #if defined(S390X)
1500         { PT_FPR0,              "fpr0"                                  },
1501         { PT_FPR1,              "fpr1"                                  },
1502         { PT_FPR2,              "fpr2"                                  },
1503         { PT_FPR3,              "fpr3"                                  },
1504         { PT_FPR4,              "fpr4"                                  },
1505         { PT_FPR5,              "fpr5"                                  },
1506         { PT_FPR6,              "fpr6"                                  },
1507         { PT_FPR7,              "fpr7"                                  },
1508         { PT_FPR8,              "fpr8"                                  },
1509         { PT_FPR9,              "fpr9"                                  },
1510         { PT_FPR10,             "fpr10"                                 },
1511         { PT_FPR11,             "fpr11"                                 },
1512         { PT_FPR12,             "fpr12"                                 },
1513         { PT_FPR13,             "fpr13"                                 },
1514         { PT_FPR14,             "fpr14"                                 },
1515         { PT_FPR15,             "fpr15"                                 },
1516 #endif
1517         { PT_CR_9,              "cr9"                                   },
1518         { PT_CR_10,             "cr10"                                  },
1519         { PT_CR_11,             "cr11"                                  },
1520         { PT_IEEE_IP,           "ieee_exception_ip"                     },
1521 #elif defined(SPARC)
1522         /* XXX No support for these offsets yet. */
1523 #elif defined(HPPA)
1524         /* XXX No support for these offsets yet. */
1525 #elif defined(POWERPC)
1526 # ifndef PT_ORIG_R3
1527 #  define PT_ORIG_R3 34
1528 # endif
1529 # define REGSIZE (sizeof(unsigned long))
1530         { REGSIZE*PT_R0,                "r0"                            },
1531         { REGSIZE*PT_R1,                "r1"                            },
1532         { REGSIZE*PT_R2,                "r2"                            },
1533         { REGSIZE*PT_R3,                "r3"                            },
1534         { REGSIZE*PT_R4,                "r4"                            },
1535         { REGSIZE*PT_R5,                "r5"                            },
1536         { REGSIZE*PT_R6,                "r6"                            },
1537         { REGSIZE*PT_R7,                "r7"                            },
1538         { REGSIZE*PT_R8,                "r8"                            },
1539         { REGSIZE*PT_R9,                "r9"                            },
1540         { REGSIZE*PT_R10,               "r10"                           },
1541         { REGSIZE*PT_R11,               "r11"                           },
1542         { REGSIZE*PT_R12,               "r12"                           },
1543         { REGSIZE*PT_R13,               "r13"                           },
1544         { REGSIZE*PT_R14,               "r14"                           },
1545         { REGSIZE*PT_R15,               "r15"                           },
1546         { REGSIZE*PT_R16,               "r16"                           },
1547         { REGSIZE*PT_R17,               "r17"                           },
1548         { REGSIZE*PT_R18,               "r18"                           },
1549         { REGSIZE*PT_R19,               "r19"                           },
1550         { REGSIZE*PT_R20,               "r20"                           },
1551         { REGSIZE*PT_R21,               "r21"                           },
1552         { REGSIZE*PT_R22,               "r22"                           },
1553         { REGSIZE*PT_R23,               "r23"                           },
1554         { REGSIZE*PT_R24,               "r24"                           },
1555         { REGSIZE*PT_R25,               "r25"                           },
1556         { REGSIZE*PT_R26,               "r26"                           },
1557         { REGSIZE*PT_R27,               "r27"                           },
1558         { REGSIZE*PT_R28,               "r28"                           },
1559         { REGSIZE*PT_R29,               "r29"                           },
1560         { REGSIZE*PT_R30,               "r30"                           },
1561         { REGSIZE*PT_R31,               "r31"                           },
1562         { REGSIZE*PT_NIP,               "NIP"                           },
1563         { REGSIZE*PT_MSR,               "MSR"                           },
1564         { REGSIZE*PT_ORIG_R3,           "ORIG_R3"                       },
1565         { REGSIZE*PT_CTR,               "CTR"                           },
1566         { REGSIZE*PT_LNK,               "LNK"                           },
1567         { REGSIZE*PT_XER,               "XER"                           },
1568         { REGSIZE*PT_CCR,               "CCR"                           },
1569         { REGSIZE*PT_FPR0,              "FPR0"                          },
1570 # undef REGSIZE
1571 #elif defined(ALPHA)
1572         { 0,                    "r0"                                    },
1573         { 1,                    "r1"                                    },
1574         { 2,                    "r2"                                    },
1575         { 3,                    "r3"                                    },
1576         { 4,                    "r4"                                    },
1577         { 5,                    "r5"                                    },
1578         { 6,                    "r6"                                    },
1579         { 7,                    "r7"                                    },
1580         { 8,                    "r8"                                    },
1581         { 9,                    "r9"                                    },
1582         { 10,                   "r10"                                   },
1583         { 11,                   "r11"                                   },
1584         { 12,                   "r12"                                   },
1585         { 13,                   "r13"                                   },
1586         { 14,                   "r14"                                   },
1587         { 15,                   "r15"                                   },
1588         { 16,                   "r16"                                   },
1589         { 17,                   "r17"                                   },
1590         { 18,                   "r18"                                   },
1591         { 19,                   "r19"                                   },
1592         { 20,                   "r20"                                   },
1593         { 21,                   "r21"                                   },
1594         { 22,                   "r22"                                   },
1595         { 23,                   "r23"                                   },
1596         { 24,                   "r24"                                   },
1597         { 25,                   "r25"                                   },
1598         { 26,                   "r26"                                   },
1599         { 27,                   "r27"                                   },
1600         { 28,                   "r28"                                   },
1601         { 29,                   "gp"                                    },
1602         { 30,                   "fp"                                    },
1603         { 31,                   "zero"                                  },
1604         { 32,                   "fp0"                                   },
1605         { 33,                   "fp"                                    },
1606         { 34,                   "fp2"                                   },
1607         { 35,                   "fp3"                                   },
1608         { 36,                   "fp4"                                   },
1609         { 37,                   "fp5"                                   },
1610         { 38,                   "fp6"                                   },
1611         { 39,                   "fp7"                                   },
1612         { 40,                   "fp8"                                   },
1613         { 41,                   "fp9"                                   },
1614         { 42,                   "fp10"                                  },
1615         { 43,                   "fp11"                                  },
1616         { 44,                   "fp12"                                  },
1617         { 45,                   "fp13"                                  },
1618         { 46,                   "fp14"                                  },
1619         { 47,                   "fp15"                                  },
1620         { 48,                   "fp16"                                  },
1621         { 49,                   "fp17"                                  },
1622         { 50,                   "fp18"                                  },
1623         { 51,                   "fp19"                                  },
1624         { 52,                   "fp20"                                  },
1625         { 53,                   "fp21"                                  },
1626         { 54,                   "fp22"                                  },
1627         { 55,                   "fp23"                                  },
1628         { 56,                   "fp24"                                  },
1629         { 57,                   "fp25"                                  },
1630         { 58,                   "fp26"                                  },
1631         { 59,                   "fp27"                                  },
1632         { 60,                   "fp28"                                  },
1633         { 61,                   "fp29"                                  },
1634         { 62,                   "fp30"                                  },
1635         { 63,                   "fp31"                                  },
1636         { 64,                   "pc"                                    },
1637 #elif defined(IA64)
1638         { PT_F32, "f32" }, { PT_F33, "f33" }, { PT_F34, "f34" },
1639         { PT_F35, "f35" }, { PT_F36, "f36" }, { PT_F37, "f37" },
1640         { PT_F38, "f38" }, { PT_F39, "f39" }, { PT_F40, "f40" },
1641         { PT_F41, "f41" }, { PT_F42, "f42" }, { PT_F43, "f43" },
1642         { PT_F44, "f44" }, { PT_F45, "f45" }, { PT_F46, "f46" },
1643         { PT_F47, "f47" }, { PT_F48, "f48" }, { PT_F49, "f49" },
1644         { PT_F50, "f50" }, { PT_F51, "f51" }, { PT_F52, "f52" },
1645         { PT_F53, "f53" }, { PT_F54, "f54" }, { PT_F55, "f55" },
1646         { PT_F56, "f56" }, { PT_F57, "f57" }, { PT_F58, "f58" },
1647         { PT_F59, "f59" }, { PT_F60, "f60" }, { PT_F61, "f61" },
1648         { PT_F62, "f62" }, { PT_F63, "f63" }, { PT_F64, "f64" },
1649         { PT_F65, "f65" }, { PT_F66, "f66" }, { PT_F67, "f67" },
1650         { PT_F68, "f68" }, { PT_F69, "f69" }, { PT_F70, "f70" },
1651         { PT_F71, "f71" }, { PT_F72, "f72" }, { PT_F73, "f73" },
1652         { PT_F74, "f74" }, { PT_F75, "f75" }, { PT_F76, "f76" },
1653         { PT_F77, "f77" }, { PT_F78, "f78" }, { PT_F79, "f79" },
1654         { PT_F80, "f80" }, { PT_F81, "f81" }, { PT_F82, "f82" },
1655         { PT_F83, "f83" }, { PT_F84, "f84" }, { PT_F85, "f85" },
1656         { PT_F86, "f86" }, { PT_F87, "f87" }, { PT_F88, "f88" },
1657         { PT_F89, "f89" }, { PT_F90, "f90" }, { PT_F91, "f91" },
1658         { PT_F92, "f92" }, { PT_F93, "f93" }, { PT_F94, "f94" },
1659         { PT_F95, "f95" }, { PT_F96, "f96" }, { PT_F97, "f97" },
1660         { PT_F98, "f98" }, { PT_F99, "f99" }, { PT_F100, "f100" },
1661         { PT_F101, "f101" }, { PT_F102, "f102" }, { PT_F103, "f103" },
1662         { PT_F104, "f104" }, { PT_F105, "f105" }, { PT_F106, "f106" },
1663         { PT_F107, "f107" }, { PT_F108, "f108" }, { PT_F109, "f109" },
1664         { PT_F110, "f110" }, { PT_F111, "f111" }, { PT_F112, "f112" },
1665         { PT_F113, "f113" }, { PT_F114, "f114" }, { PT_F115, "f115" },
1666         { PT_F116, "f116" }, { PT_F117, "f117" }, { PT_F118, "f118" },
1667         { PT_F119, "f119" }, { PT_F120, "f120" }, { PT_F121, "f121" },
1668         { PT_F122, "f122" }, { PT_F123, "f123" }, { PT_F124, "f124" },
1669         { PT_F125, "f125" }, { PT_F126, "f126" }, { PT_F127, "f127" },
1670         /* switch stack: */
1671         { PT_F2, "f2" }, { PT_F3, "f3" }, { PT_F4, "f4" },
1672         { PT_F5, "f5" }, { PT_F10, "f10" }, { PT_F11, "f11" },
1673         { PT_F12, "f12" }, { PT_F13, "f13" }, { PT_F14, "f14" },
1674         { PT_F15, "f15" }, { PT_F16, "f16" }, { PT_F17, "f17" },
1675         { PT_F18, "f18" }, { PT_F19, "f19" }, { PT_F20, "f20" },
1676         { PT_F21, "f21" }, { PT_F22, "f22" }, { PT_F23, "f23" },
1677         { PT_F24, "f24" }, { PT_F25, "f25" }, { PT_F26, "f26" },
1678         { PT_F27, "f27" }, { PT_F28, "f28" }, { PT_F29, "f29" },
1679         { PT_F30, "f30" }, { PT_F31, "f31" }, { PT_R4, "r4" },
1680         { PT_R5, "r5" }, { PT_R6, "r6" }, { PT_R7, "r7" },
1681         { PT_B1, "b1" }, { PT_B2, "b2" }, { PT_B3, "b3" },
1682         { PT_B4, "b4" }, { PT_B5, "b5" },
1683         { PT_AR_EC, "ar.ec" }, { PT_AR_LC, "ar.lc" },
1684         /* pt_regs */
1685         { PT_CR_IPSR, "psr" }, { PT_CR_IIP, "ip" },
1686         { PT_CFM, "cfm" }, { PT_AR_UNAT, "ar.unat" },
1687         { PT_AR_PFS, "ar.pfs" }, { PT_AR_RSC, "ar.rsc" },
1688         { PT_AR_RNAT, "ar.rnat" }, { PT_AR_BSPSTORE, "ar.bspstore" },
1689         { PT_PR, "pr" }, { PT_B6, "b6" }, { PT_AR_BSP, "ar.bsp" },
1690         { PT_R1, "r1" }, { PT_R2, "r2" }, { PT_R3, "r3" },
1691         { PT_R12, "r12" }, { PT_R13, "r13" }, { PT_R14, "r14" },
1692         { PT_R15, "r15" }, { PT_R8, "r8" }, { PT_R9, "r9" },
1693         { PT_R10, "r10" }, { PT_R11, "r11" }, { PT_R16, "r16" },
1694         { PT_R17, "r17" }, { PT_R18, "r18" }, { PT_R19, "r19" },
1695         { PT_R20, "r20" }, { PT_R21, "r21" }, { PT_R22, "r22" },
1696         { PT_R23, "r23" }, { PT_R24, "r24" }, { PT_R25, "r25" },
1697         { PT_R26, "r26" }, { PT_R27, "r27" }, { PT_R28, "r28" },
1698         { PT_R29, "r29" }, { PT_R30, "r30" }, { PT_R31, "r31" },
1699         { PT_AR_CCV, "ar.ccv" }, { PT_AR_FPSR, "ar.fpsr" },
1700         { PT_B0, "b0" }, { PT_B7, "b7" }, { PT_F6, "f6" },
1701         { PT_F7, "f7" }, { PT_F8, "f8" }, { PT_F9, "f9" },
1702 # ifdef PT_AR_CSD
1703         { PT_AR_CSD, "ar.csd" },
1704 # endif
1705 # ifdef PT_AR_SSD
1706         { PT_AR_SSD, "ar.ssd" },
1707 # endif
1708         { PT_DBR, "dbr" }, { PT_IBR, "ibr" }, { PT_PMD, "pmd" },
1709 #elif defined(I386)
1710         { 4*EBX,                "4*EBX"                                 },
1711         { 4*ECX,                "4*ECX"                                 },
1712         { 4*EDX,                "4*EDX"                                 },
1713         { 4*ESI,                "4*ESI"                                 },
1714         { 4*EDI,                "4*EDI"                                 },
1715         { 4*EBP,                "4*EBP"                                 },
1716         { 4*EAX,                "4*EAX"                                 },
1717         { 4*DS,                 "4*DS"                                  },
1718         { 4*ES,                 "4*ES"                                  },
1719         { 4*FS,                 "4*FS"                                  },
1720         { 4*GS,                 "4*GS"                                  },
1721         { 4*ORIG_EAX,           "4*ORIG_EAX"                            },
1722         { 4*EIP,                "4*EIP"                                 },
1723         { 4*CS,                 "4*CS"                                  },
1724         { 4*EFL,                "4*EFL"                                 },
1725         { 4*UESP,               "4*UESP"                                },
1726         { 4*SS,                 "4*SS"                                  },
1727 #elif defined(X86_64) || defined(X32)
1728         { 8*R15,                "8*R15"                                 },
1729         { 8*R14,                "8*R14"                                 },
1730         { 8*R13,                "8*R13"                                 },
1731         { 8*R12,                "8*R12"                                 },
1732         { 8*RBP,                "8*RBP"                                 },
1733         { 8*RBX,                "8*RBX"                                 },
1734         { 8*R11,                "8*R11"                                 },
1735         { 8*R10,                "8*R10"                                 },
1736         { 8*R9,                 "8*R9"                                  },
1737         { 8*R8,                 "8*R8"                                  },
1738         { 8*RAX,                "8*RAX"                                 },
1739         { 8*RCX,                "8*RCX"                                 },
1740         { 8*RDX,                "8*RDX"                                 },
1741         { 8*RSI,                "8*RSI"                                 },
1742         { 8*RDI,                "8*RDI"                                 },
1743         { 8*ORIG_RAX,           "8*ORIG_RAX"                            },
1744         { 8*RIP,                "8*RIP"                                 },
1745         { 8*CS,                 "8*CS"                                  },
1746         { 8*EFLAGS,             "8*EFL"                                 },
1747         { 8*RSP,                "8*RSP"                                 },
1748         { 8*SS,                 "8*SS"                                  },
1749 #elif defined(M68K)
1750         { 4*PT_D1,              "4*PT_D1"                               },
1751         { 4*PT_D2,              "4*PT_D2"                               },
1752         { 4*PT_D3,              "4*PT_D3"                               },
1753         { 4*PT_D4,              "4*PT_D4"                               },
1754         { 4*PT_D5,              "4*PT_D5"                               },
1755         { 4*PT_D6,              "4*PT_D6"                               },
1756         { 4*PT_D7,              "4*PT_D7"                               },
1757         { 4*PT_A0,              "4*PT_A0"                               },
1758         { 4*PT_A1,              "4*PT_A1"                               },
1759         { 4*PT_A2,              "4*PT_A2"                               },
1760         { 4*PT_A3,              "4*PT_A3"                               },
1761         { 4*PT_A4,              "4*PT_A4"                               },
1762         { 4*PT_A5,              "4*PT_A5"                               },
1763         { 4*PT_A6,              "4*PT_A6"                               },
1764         { 4*PT_D0,              "4*PT_D0"                               },
1765         { 4*PT_USP,             "4*PT_USP"                              },
1766         { 4*PT_ORIG_D0,         "4*PT_ORIG_D0"                          },
1767         { 4*PT_SR,              "4*PT_SR"                               },
1768         { 4*PT_PC,              "4*PT_PC"                               },
1769 #elif defined(SH)
1770         { 4*REG_REG0,           "4*REG_REG0"                            },
1771         { 4*(REG_REG0+1),       "4*REG_REG1"                            },
1772         { 4*(REG_REG0+2),       "4*REG_REG2"                            },
1773         { 4*(REG_REG0+3),       "4*REG_REG3"                            },
1774         { 4*(REG_REG0+4),       "4*REG_REG4"                            },
1775         { 4*(REG_REG0+5),       "4*REG_REG5"                            },
1776         { 4*(REG_REG0+6),       "4*REG_REG6"                            },
1777         { 4*(REG_REG0+7),       "4*REG_REG7"                            },
1778         { 4*(REG_REG0+8),       "4*REG_REG8"                            },
1779         { 4*(REG_REG0+9),       "4*REG_REG9"                            },
1780         { 4*(REG_REG0+10),      "4*REG_REG10"                           },
1781         { 4*(REG_REG0+11),      "4*REG_REG11"                           },
1782         { 4*(REG_REG0+12),      "4*REG_REG12"                           },
1783         { 4*(REG_REG0+13),      "4*REG_REG13"                           },
1784         { 4*(REG_REG0+14),      "4*REG_REG14"                           },
1785         { 4*REG_REG15,          "4*REG_REG15"                           },
1786         { 4*REG_PC,             "4*REG_PC"                              },
1787         { 4*REG_PR,             "4*REG_PR"                              },
1788         { 4*REG_SR,             "4*REG_SR"                              },
1789         { 4*REG_GBR,            "4*REG_GBR"                             },
1790         { 4*REG_MACH,           "4*REG_MACH"                            },
1791         { 4*REG_MACL,           "4*REG_MACL"                            },
1792         { 4*REG_SYSCALL,        "4*REG_SYSCALL"                         },
1793         { 4*REG_FPUL,           "4*REG_FPUL"                            },
1794         { 4*REG_FPREG0,         "4*REG_FPREG0"                          },
1795         { 4*(REG_FPREG0+1),     "4*REG_FPREG1"                          },
1796         { 4*(REG_FPREG0+2),     "4*REG_FPREG2"                          },
1797         { 4*(REG_FPREG0+3),     "4*REG_FPREG3"                          },
1798         { 4*(REG_FPREG0+4),     "4*REG_FPREG4"                          },
1799         { 4*(REG_FPREG0+5),     "4*REG_FPREG5"                          },
1800         { 4*(REG_FPREG0+6),     "4*REG_FPREG6"                          },
1801         { 4*(REG_FPREG0+7),     "4*REG_FPREG7"                          },
1802         { 4*(REG_FPREG0+8),     "4*REG_FPREG8"                          },
1803         { 4*(REG_FPREG0+9),     "4*REG_FPREG9"                          },
1804         { 4*(REG_FPREG0+10),    "4*REG_FPREG10"                         },
1805         { 4*(REG_FPREG0+11),    "4*REG_FPREG11"                         },
1806         { 4*(REG_FPREG0+12),    "4*REG_FPREG12"                         },
1807         { 4*(REG_FPREG0+13),    "4*REG_FPREG13"                         },
1808         { 4*(REG_FPREG0+14),    "4*REG_FPREG14"                         },
1809         { 4*REG_FPREG15,        "4*REG_FPREG15"                         },
1810 # ifdef REG_XDREG0
1811         { 4*REG_XDREG0,         "4*REG_XDREG0"                          },
1812         { 4*(REG_XDREG0+2),     "4*REG_XDREG2"                          },
1813         { 4*(REG_XDREG0+4),     "4*REG_XDREG4"                          },
1814         { 4*(REG_XDREG0+6),     "4*REG_XDREG6"                          },
1815         { 4*(REG_XDREG0+8),     "4*REG_XDREG8"                          },
1816         { 4*(REG_XDREG0+10),    "4*REG_XDREG10"                         },
1817         { 4*(REG_XDREG0+12),    "4*REG_XDREG12"                         },
1818         { 4*REG_XDREG14,        "4*REG_XDREG14"                         },
1819 # endif
1820         { 4*REG_FPSCR,          "4*REG_FPSCR"                           },
1821 #elif defined(SH64)
1822         { 0,                    "PC(L)"                                 },
1823         { 4,                    "PC(U)"                                 },
1824         { 8,                    "SR(L)"                                 },
1825         { 12,                   "SR(U)"                                 },
1826         { 16,                   "syscall no.(L)"                        },
1827         { 20,                   "syscall_no.(U)"                        },
1828         { 24,                   "R0(L)"                                 },
1829         { 28,                   "R0(U)"                                 },
1830         { 32,                   "R1(L)"                                 },
1831         { 36,                   "R1(U)"                                 },
1832         { 40,                   "R2(L)"                                 },
1833         { 44,                   "R2(U)"                                 },
1834         { 48,                   "R3(L)"                                 },
1835         { 52,                   "R3(U)"                                 },
1836         { 56,                   "R4(L)"                                 },
1837         { 60,                   "R4(U)"                                 },
1838         { 64,                   "R5(L)"                                 },
1839         { 68,                   "R5(U)"                                 },
1840         { 72,                   "R6(L)"                                 },
1841         { 76,                   "R6(U)"                                 },
1842         { 80,                   "R7(L)"                                 },
1843         { 84,                   "R7(U)"                                 },
1844         { 88,                   "R8(L)"                                 },
1845         { 92,                   "R8(U)"                                 },
1846         { 96,                   "R9(L)"                                 },
1847         { 100,                  "R9(U)"                                 },
1848         { 104,                  "R10(L)"                                },
1849         { 108,                  "R10(U)"                                },
1850         { 112,                  "R11(L)"                                },
1851         { 116,                  "R11(U)"                                },
1852         { 120,                  "R12(L)"                                },
1853         { 124,                  "R12(U)"                                },
1854         { 128,                  "R13(L)"                                },
1855         { 132,                  "R13(U)"                                },
1856         { 136,                  "R14(L)"                                },
1857         { 140,                  "R14(U)"                                },
1858         { 144,                  "R15(L)"                                },
1859         { 148,                  "R15(U)"                                },
1860         { 152,                  "R16(L)"                                },
1861         { 156,                  "R16(U)"                                },
1862         { 160,                  "R17(L)"                                },
1863         { 164,                  "R17(U)"                                },
1864         { 168,                  "R18(L)"                                },
1865         { 172,                  "R18(U)"                                },
1866         { 176,                  "R19(L)"                                },
1867         { 180,                  "R19(U)"                                },
1868         { 184,                  "R20(L)"                                },
1869         { 188,                  "R20(U)"                                },
1870         { 192,                  "R21(L)"                                },
1871         { 196,                  "R21(U)"                                },
1872         { 200,                  "R22(L)"                                },
1873         { 204,                  "R22(U)"                                },
1874         { 208,                  "R23(L)"                                },
1875         { 212,                  "R23(U)"                                },
1876         { 216,                  "R24(L)"                                },
1877         { 220,                  "R24(U)"                                },
1878         { 224,                  "R25(L)"                                },
1879         { 228,                  "R25(U)"                                },
1880         { 232,                  "R26(L)"                                },
1881         { 236,                  "R26(U)"                                },
1882         { 240,                  "R27(L)"                                },
1883         { 244,                  "R27(U)"                                },
1884         { 248,                  "R28(L)"                                },
1885         { 252,                  "R28(U)"                                },
1886         { 256,                  "R29(L)"                                },
1887         { 260,                  "R29(U)"                                },
1888         { 264,                  "R30(L)"                                },
1889         { 268,                  "R30(U)"                                },
1890         { 272,                  "R31(L)"                                },
1891         { 276,                  "R31(U)"                                },
1892         { 280,                  "R32(L)"                                },
1893         { 284,                  "R32(U)"                                },
1894         { 288,                  "R33(L)"                                },
1895         { 292,                  "R33(U)"                                },
1896         { 296,                  "R34(L)"                                },
1897         { 300,                  "R34(U)"                                },
1898         { 304,                  "R35(L)"                                },
1899         { 308,                  "R35(U)"                                },
1900         { 312,                  "R36(L)"                                },
1901         { 316,                  "R36(U)"                                },
1902         { 320,                  "R37(L)"                                },
1903         { 324,                  "R37(U)"                                },
1904         { 328,                  "R38(L)"                                },
1905         { 332,                  "R38(U)"                                },
1906         { 336,                  "R39(L)"                                },
1907         { 340,                  "R39(U)"                                },
1908         { 344,                  "R40(L)"                                },
1909         { 348,                  "R40(U)"                                },
1910         { 352,                  "R41(L)"                                },
1911         { 356,                  "R41(U)"                                },
1912         { 360,                  "R42(L)"                                },
1913         { 364,                  "R42(U)"                                },
1914         { 368,                  "R43(L)"                                },
1915         { 372,                  "R43(U)"                                },
1916         { 376,                  "R44(L)"                                },
1917         { 380,                  "R44(U)"                                },
1918         { 384,                  "R45(L)"                                },
1919         { 388,                  "R45(U)"                                },
1920         { 392,                  "R46(L)"                                },
1921         { 396,                  "R46(U)"                                },
1922         { 400,                  "R47(L)"                                },
1923         { 404,                  "R47(U)"                                },
1924         { 408,                  "R48(L)"                                },
1925         { 412,                  "R48(U)"                                },
1926         { 416,                  "R49(L)"                                },
1927         { 420,                  "R49(U)"                                },
1928         { 424,                  "R50(L)"                                },
1929         { 428,                  "R50(U)"                                },
1930         { 432,                  "R51(L)"                                },
1931         { 436,                  "R51(U)"                                },
1932         { 440,                  "R52(L)"                                },
1933         { 444,                  "R52(U)"                                },
1934         { 448,                  "R53(L)"                                },
1935         { 452,                  "R53(U)"                                },
1936         { 456,                  "R54(L)"                                },
1937         { 460,                  "R54(U)"                                },
1938         { 464,                  "R55(L)"                                },
1939         { 468,                  "R55(U)"                                },
1940         { 472,                  "R56(L)"                                },
1941         { 476,                  "R56(U)"                                },
1942         { 480,                  "R57(L)"                                },
1943         { 484,                  "R57(U)"                                },
1944         { 488,                  "R58(L)"                                },
1945         { 492,                  "R58(U)"                                },
1946         { 496,                  "R59(L)"                                },
1947         { 500,                  "R59(U)"                                },
1948         { 504,                  "R60(L)"                                },
1949         { 508,                  "R60(U)"                                },
1950         { 512,                  "R61(L)"                                },
1951         { 516,                  "R61(U)"                                },
1952         { 520,                  "R62(L)"                                },
1953         { 524,                  "R62(U)"                                },
1954         { 528,                  "TR0(L)"                                },
1955         { 532,                  "TR0(U)"                                },
1956         { 536,                  "TR1(L)"                                },
1957         { 540,                  "TR1(U)"                                },
1958         { 544,                  "TR2(L)"                                },
1959         { 548,                  "TR2(U)"                                },
1960         { 552,                  "TR3(L)"                                },
1961         { 556,                  "TR3(U)"                                },
1962         { 560,                  "TR4(L)"                                },
1963         { 564,                  "TR4(U)"                                },
1964         { 568,                  "TR5(L)"                                },
1965         { 572,                  "TR5(U)"                                },
1966         { 576,                  "TR6(L)"                                },
1967         { 580,                  "TR6(U)"                                },
1968         { 584,                  "TR7(L)"                                },
1969         { 588,                  "TR7(U)"                                },
1970         /* This entry is in case pt_regs contains dregs (depends on
1971            the kernel build options). */
1972         { uoff(regs),           "offsetof(struct user, regs)"           },
1973         { uoff(fpu),            "offsetof(struct user, fpu)"            },
1974 #elif defined(ARM)
1975         { uoff(regs.ARM_r0),    "r0"                                    },
1976         { uoff(regs.ARM_r1),    "r1"                                    },
1977         { uoff(regs.ARM_r2),    "r2"                                    },
1978         { uoff(regs.ARM_r3),    "r3"                                    },
1979         { uoff(regs.ARM_r4),    "r4"                                    },
1980         { uoff(regs.ARM_r5),    "r5"                                    },
1981         { uoff(regs.ARM_r6),    "r6"                                    },
1982         { uoff(regs.ARM_r7),    "r7"                                    },
1983         { uoff(regs.ARM_r8),    "r8"                                    },
1984         { uoff(regs.ARM_r9),    "r9"                                    },
1985         { uoff(regs.ARM_r10),   "r10"                                   },
1986         { uoff(regs.ARM_fp),    "fp"                                    },
1987         { uoff(regs.ARM_ip),    "ip"                                    },
1988         { uoff(regs.ARM_sp),    "sp"                                    },
1989         { uoff(regs.ARM_lr),    "lr"                                    },
1990         { uoff(regs.ARM_pc),    "pc"                                    },
1991         { uoff(regs.ARM_cpsr),  "cpsr"                                  },
1992 #elif defined(AVR32)
1993         { uoff(regs.sr),        "sr"                                    },
1994         { uoff(regs.pc),        "pc"                                    },
1995         { uoff(regs.lr),        "lr"                                    },
1996         { uoff(regs.sp),        "sp"                                    },
1997         { uoff(regs.r12),       "r12"                                   },
1998         { uoff(regs.r11),       "r11"                                   },
1999         { uoff(regs.r10),       "r10"                                   },
2000         { uoff(regs.r9),        "r9"                                    },
2001         { uoff(regs.r8),        "r8"                                    },
2002         { uoff(regs.r7),        "r7"                                    },
2003         { uoff(regs.r6),        "r6"                                    },
2004         { uoff(regs.r5),        "r5"                                    },
2005         { uoff(regs.r4),        "r4"                                    },
2006         { uoff(regs.r3),        "r3"                                    },
2007         { uoff(regs.r2),        "r2"                                    },
2008         { uoff(regs.r1),        "r1"                                    },
2009         { uoff(regs.r0),        "r0"                                    },
2010         { uoff(regs.r12_orig),  "orig_r12"                              },
2011 #elif defined(MIPS)
2012         { 0,                    "r0"                                    },
2013         { 1,                    "r1"                                    },
2014         { 2,                    "r2"                                    },
2015         { 3,                    "r3"                                    },
2016         { 4,                    "r4"                                    },
2017         { 5,                    "r5"                                    },
2018         { 6,                    "r6"                                    },
2019         { 7,                    "r7"                                    },
2020         { 8,                    "r8"                                    },
2021         { 9,                    "r9"                                    },
2022         { 10,                   "r10"                                   },
2023         { 11,                   "r11"                                   },
2024         { 12,                   "r12"                                   },
2025         { 13,                   "r13"                                   },
2026         { 14,                   "r14"                                   },
2027         { 15,                   "r15"                                   },
2028         { 16,                   "r16"                                   },
2029         { 17,                   "r17"                                   },
2030         { 18,                   "r18"                                   },
2031         { 19,                   "r19"                                   },
2032         { 20,                   "r20"                                   },
2033         { 21,                   "r21"                                   },
2034         { 22,                   "r22"                                   },
2035         { 23,                   "r23"                                   },
2036         { 24,                   "r24"                                   },
2037         { 25,                   "r25"                                   },
2038         { 26,                   "r26"                                   },
2039         { 27,                   "r27"                                   },
2040         { 28,                   "r28"                                   },
2041         { 29,                   "r29"                                   },
2042         { 30,                   "r30"                                   },
2043         { 31,                   "r31"                                   },
2044         { 32,                   "f0"                                    },
2045         { 33,                   "f1"                                    },
2046         { 34,                   "f2"                                    },
2047         { 35,                   "f3"                                    },
2048         { 36,                   "f4"                                    },
2049         { 37,                   "f5"                                    },
2050         { 38,                   "f6"                                    },
2051         { 39,                   "f7"                                    },
2052         { 40,                   "f8"                                    },
2053         { 41,                   "f9"                                    },
2054         { 42,                   "f10"                                   },
2055         { 43,                   "f11"                                   },
2056         { 44,                   "f12"                                   },
2057         { 45,                   "f13"                                   },
2058         { 46,                   "f14"                                   },
2059         { 47,                   "f15"                                   },
2060         { 48,                   "f16"                                   },
2061         { 49,                   "f17"                                   },
2062         { 50,                   "f18"                                   },
2063         { 51,                   "f19"                                   },
2064         { 52,                   "f20"                                   },
2065         { 53,                   "f21"                                   },
2066         { 54,                   "f22"                                   },
2067         { 55,                   "f23"                                   },
2068         { 56,                   "f24"                                   },
2069         { 57,                   "f25"                                   },
2070         { 58,                   "f26"                                   },
2071         { 59,                   "f27"                                   },
2072         { 60,                   "f28"                                   },
2073         { 61,                   "f29"                                   },
2074         { 62,                   "f30"                                   },
2075         { 63,                   "f31"                                   },
2076         { 64,                   "pc"                                    },
2077         { 65,                   "cause"                                 },
2078         { 66,                   "badvaddr"                              },
2079         { 67,                   "mmhi"                                  },
2080         { 68,                   "mmlo"                                  },
2081         { 69,                   "fpcsr"                                 },
2082         { 70,                   "fpeir"                                 },
2083 #elif defined(TILE)
2084         { PTREGS_OFFSET_REG(0),  "r0"  },
2085         { PTREGS_OFFSET_REG(1),  "r1"  },
2086         { PTREGS_OFFSET_REG(2),  "r2"  },
2087         { PTREGS_OFFSET_REG(3),  "r3"  },
2088         { PTREGS_OFFSET_REG(4),  "r4"  },
2089         { PTREGS_OFFSET_REG(5),  "r5"  },
2090         { PTREGS_OFFSET_REG(6),  "r6"  },
2091         { PTREGS_OFFSET_REG(7),  "r7"  },
2092         { PTREGS_OFFSET_REG(8),  "r8"  },
2093         { PTREGS_OFFSET_REG(9),  "r9"  },
2094         { PTREGS_OFFSET_REG(10), "r10" },
2095         { PTREGS_OFFSET_REG(11), "r11" },
2096         { PTREGS_OFFSET_REG(12), "r12" },
2097         { PTREGS_OFFSET_REG(13), "r13" },
2098         { PTREGS_OFFSET_REG(14), "r14" },
2099         { PTREGS_OFFSET_REG(15), "r15" },
2100         { PTREGS_OFFSET_REG(16), "r16" },
2101         { PTREGS_OFFSET_REG(17), "r17" },
2102         { PTREGS_OFFSET_REG(18), "r18" },
2103         { PTREGS_OFFSET_REG(19), "r19" },
2104         { PTREGS_OFFSET_REG(20), "r20" },
2105         { PTREGS_OFFSET_REG(21), "r21" },
2106         { PTREGS_OFFSET_REG(22), "r22" },
2107         { PTREGS_OFFSET_REG(23), "r23" },
2108         { PTREGS_OFFSET_REG(24), "r24" },
2109         { PTREGS_OFFSET_REG(25), "r25" },
2110         { PTREGS_OFFSET_REG(26), "r26" },
2111         { PTREGS_OFFSET_REG(27), "r27" },
2112         { PTREGS_OFFSET_REG(28), "r28" },
2113         { PTREGS_OFFSET_REG(29), "r29" },
2114         { PTREGS_OFFSET_REG(30), "r30" },
2115         { PTREGS_OFFSET_REG(31), "r31" },
2116         { PTREGS_OFFSET_REG(32), "r32" },
2117         { PTREGS_OFFSET_REG(33), "r33" },
2118         { PTREGS_OFFSET_REG(34), "r34" },
2119         { PTREGS_OFFSET_REG(35), "r35" },
2120         { PTREGS_OFFSET_REG(36), "r36" },
2121         { PTREGS_OFFSET_REG(37), "r37" },
2122         { PTREGS_OFFSET_REG(38), "r38" },
2123         { PTREGS_OFFSET_REG(39), "r39" },
2124         { PTREGS_OFFSET_REG(40), "r40" },
2125         { PTREGS_OFFSET_REG(41), "r41" },
2126         { PTREGS_OFFSET_REG(42), "r42" },
2127         { PTREGS_OFFSET_REG(43), "r43" },
2128         { PTREGS_OFFSET_REG(44), "r44" },
2129         { PTREGS_OFFSET_REG(45), "r45" },
2130         { PTREGS_OFFSET_REG(46), "r46" },
2131         { PTREGS_OFFSET_REG(47), "r47" },
2132         { PTREGS_OFFSET_REG(48), "r48" },
2133         { PTREGS_OFFSET_REG(49), "r49" },
2134         { PTREGS_OFFSET_REG(50), "r50" },
2135         { PTREGS_OFFSET_REG(51), "r51" },
2136         { PTREGS_OFFSET_REG(52), "r52" },
2137         { PTREGS_OFFSET_TP, "tp" },
2138         { PTREGS_OFFSET_SP, "sp" },
2139         { PTREGS_OFFSET_LR, "lr" },
2140         { PTREGS_OFFSET_PC, "pc" },
2141         { PTREGS_OFFSET_EX1, "ex1" },
2142         { PTREGS_OFFSET_FAULTNUM, "faultnum" },
2143         { PTREGS_OFFSET_ORIG_R0, "orig_r0" },
2144         { PTREGS_OFFSET_FLAGS, "flags" },
2145 #endif
2146 #ifdef CRISV10
2147         { 4*PT_FRAMETYPE, "4*PT_FRAMETYPE" },
2148         { 4*PT_ORIG_R10, "4*PT_ORIG_R10" },
2149         { 4*PT_R13, "4*PT_R13" },
2150         { 4*PT_R12, "4*PT_R12" },
2151         { 4*PT_R11, "4*PT_R11" },
2152         { 4*PT_R10, "4*PT_R10" },
2153         { 4*PT_R9, "4*PT_R9" },
2154         { 4*PT_R8, "4*PT_R8" },
2155         { 4*PT_R7, "4*PT_R7" },
2156         { 4*PT_R6, "4*PT_R6" },
2157         { 4*PT_R5, "4*PT_R5" },
2158         { 4*PT_R4, "4*PT_R4" },
2159         { 4*PT_R3, "4*PT_R3" },
2160         { 4*PT_R2, "4*PT_R2" },
2161         { 4*PT_R1, "4*PT_R1" },
2162         { 4*PT_R0, "4*PT_R0" },
2163         { 4*PT_MOF, "4*PT_MOF" },
2164         { 4*PT_DCCR, "4*PT_DCCR" },
2165         { 4*PT_SRP, "4*PT_SRP" },
2166         { 4*PT_IRP, "4*PT_IRP" },
2167         { 4*PT_CSRINSTR, "4*PT_CSRINSTR" },
2168         { 4*PT_CSRADDR, "4*PT_CSRADDR" },
2169         { 4*PT_CSRDATA, "4*PT_CSRDATA" },
2170         { 4*PT_USP, "4*PT_USP" },
2171 #endif
2172 #ifdef CRISV32
2173         { 4*PT_ORIG_R10, "4*PT_ORIG_R10" },
2174         { 4*PT_R0, "4*PT_R0" },
2175         { 4*PT_R1, "4*PT_R1" },
2176         { 4*PT_R2, "4*PT_R2" },
2177         { 4*PT_R3, "4*PT_R3" },
2178         { 4*PT_R4, "4*PT_R4" },
2179         { 4*PT_R5, "4*PT_R5" },
2180         { 4*PT_R6, "4*PT_R6" },
2181         { 4*PT_R7, "4*PT_R7" },
2182         { 4*PT_R8, "4*PT_R8" },
2183         { 4*PT_R9, "4*PT_R9" },
2184         { 4*PT_R10, "4*PT_R10" },
2185         { 4*PT_R11, "4*PT_R11" },
2186         { 4*PT_R12, "4*PT_R12" },
2187         { 4*PT_R13, "4*PT_R13" },
2188         { 4*PT_ACR, "4*PT_ACR" },
2189         { 4*PT_SRS, "4*PT_SRS" },
2190         { 4*PT_MOF, "4*PT_MOF" },
2191         { 4*PT_SPC, "4*PT_SPC" },
2192         { 4*PT_CCS, "4*PT_CCS" },
2193         { 4*PT_SRP, "4*PT_SRP" },
2194         { 4*PT_ERP, "4*PT_ERP" },
2195         { 4*PT_EXS, "4*PT_EXS" },
2196         { 4*PT_EDA, "4*PT_EDA" },
2197         { 4*PT_USP, "4*PT_USP" },
2198         { 4*PT_PPC, "4*PT_PPC" },
2199         { 4*PT_BP_CTRL, "4*PT_BP_CTRL" },
2200         { 4*PT_BP+4, "4*PT_BP+4" },
2201         { 4*PT_BP+8, "4*PT_BP+8" },
2202         { 4*PT_BP+12, "4*PT_BP+12" },
2203         { 4*PT_BP+16, "4*PT_BP+16" },
2204         { 4*PT_BP+20, "4*PT_BP+20" },
2205         { 4*PT_BP+24, "4*PT_BP+24" },
2206         { 4*PT_BP+28, "4*PT_BP+28" },
2207         { 4*PT_BP+32, "4*PT_BP+32" },
2208         { 4*PT_BP+36, "4*PT_BP+36" },
2209         { 4*PT_BP+40, "4*PT_BP+40" },
2210         { 4*PT_BP+44, "4*PT_BP+44" },
2211         { 4*PT_BP+48, "4*PT_BP+48" },
2212         { 4*PT_BP+52, "4*PT_BP+52" },
2213         { 4*PT_BP+56, "4*PT_BP+56" },
2214 #endif
2215 #ifdef MICROBLAZE
2216         { PT_GPR(0),            "r0"                                    },
2217         { PT_GPR(1),            "r1"                                    },
2218         { PT_GPR(2),            "r2"                                    },
2219         { PT_GPR(3),            "r3"                                    },
2220         { PT_GPR(4),            "r4"                                    },
2221         { PT_GPR(5),            "r5"                                    },
2222         { PT_GPR(6),            "r6"                                    },
2223         { PT_GPR(7),            "r7"                                    },
2224         { PT_GPR(8),            "r8"                                    },
2225         { PT_GPR(9),            "r9"                                    },
2226         { PT_GPR(10),           "r10"                                   },
2227         { PT_GPR(11),           "r11"                                   },
2228         { PT_GPR(12),           "r12"                                   },
2229         { PT_GPR(13),           "r13"                                   },
2230         { PT_GPR(14),           "r14"                                   },
2231         { PT_GPR(15),           "r15"                                   },
2232         { PT_GPR(16),           "r16"                                   },
2233         { PT_GPR(17),           "r17"                                   },
2234         { PT_GPR(18),           "r18"                                   },
2235         { PT_GPR(19),           "r19"                                   },
2236         { PT_GPR(20),           "r20"                                   },
2237         { PT_GPR(21),           "r21"                                   },
2238         { PT_GPR(22),           "r22"                                   },
2239         { PT_GPR(23),           "r23"                                   },
2240         { PT_GPR(24),           "r24"                                   },
2241         { PT_GPR(25),           "r25"                                   },
2242         { PT_GPR(26),           "r26"                                   },
2243         { PT_GPR(27),           "r27"                                   },
2244         { PT_GPR(28),           "r28"                                   },
2245         { PT_GPR(29),           "r29"                                   },
2246         { PT_GPR(30),           "r30"                                   },
2247         { PT_GPR(31),           "r31"                                   },
2248         { PT_PC,                "rpc",                                  },
2249         { PT_MSR,               "rmsr",                                 },
2250         { PT_EAR,               "rear",                                 },
2251         { PT_ESR,               "resr",                                 },
2252         { PT_FSR,               "rfsr",                                 },
2253         { PT_KERNEL_MODE,       "kernel_mode",                          },
2254 #endif
2255 #ifdef OR1K
2256         { 4*0,  "r0" },
2257         { 4*1,  "r1" },
2258         { 4*2,  "r2" },
2259         { 4*3,  "r3" },
2260         { 4*4,  "r4" },
2261         { 4*5,  "r5" },
2262         { 4*6,  "r6" },
2263         { 4*7,  "r7" },
2264         { 4*8,  "r8" },
2265         { 4*9,  "r9" },
2266         { 4*10, "r10" },
2267         { 4*11, "r11" },
2268         { 4*12, "r12" },
2269         { 4*13, "r13" },
2270         { 4*14, "r14" },
2271         { 4*15, "r15" },
2272         { 4*16, "r16" },
2273         { 4*17, "r17" },
2274         { 4*18, "r18" },
2275         { 4*19, "r19" },
2276         { 4*20, "r20" },
2277         { 4*21, "r21" },
2278         { 4*22, "r22" },
2279         { 4*23, "r23" },
2280         { 4*24, "r24" },
2281         { 4*25, "r25" },
2282         { 4*26, "r26" },
2283         { 4*27, "r27" },
2284         { 4*28, "r28" },
2285         { 4*29, "r29" },
2286         { 4*30, "r30" },
2287         { 4*31, "r31" },
2288         { 4*32, "pc" },
2289         { 4*33, "sr" },
2290 #endif
2291 #ifdef XTENSA
2292         { SYSCALL_NR,           "syscall_nr"    },
2293         { REG_AR_BASE,          "ar0"           },
2294         { REG_AR_BASE+1,        "ar1"           },
2295         { REG_AR_BASE+2,        "ar2"           },
2296         { REG_AR_BASE+3,        "ar3"           },
2297         { REG_AR_BASE+4,        "ar4"           },
2298         { REG_AR_BASE+5,        "ar5"           },
2299         { REG_AR_BASE+6,        "ar6"           },
2300         { REG_AR_BASE+7,        "ar7"           },
2301         { REG_AR_BASE+8,        "ar8"           },
2302         { REG_AR_BASE+9,        "ar9"           },
2303         { REG_AR_BASE+10,       "ar10"          },
2304         { REG_AR_BASE+11,       "ar11"          },
2305         { REG_AR_BASE+12,       "ar12"          },
2306         { REG_AR_BASE+13,       "ar13"          },
2307         { REG_AR_BASE+14,       "ar14"          },
2308         { REG_AR_BASE+15,       "ar15"          },
2309         { REG_AR_BASE+16,       "ar16"          },
2310         { REG_AR_BASE+17,       "ar17"          },
2311         { REG_AR_BASE+18,       "ar18"          },
2312         { REG_AR_BASE+19,       "ar19"          },
2313         { REG_AR_BASE+20,       "ar20"          },
2314         { REG_AR_BASE+21,       "ar21"          },
2315         { REG_AR_BASE+22,       "ar22"          },
2316         { REG_AR_BASE+23,       "ar23"          },
2317         { REG_AR_BASE+24,       "ar24"          },
2318         { REG_AR_BASE+25,       "ar25"          },
2319         { REG_AR_BASE+26,       "ar26"          },
2320         { REG_AR_BASE+27,       "ar27"          },
2321         { REG_AR_BASE+28,       "ar28"          },
2322         { REG_AR_BASE+29,       "ar29"          },
2323         { REG_AR_BASE+30,       "ar30"          },
2324         { REG_AR_BASE+31,       "ar31"          },
2325         { REG_AR_BASE+32,       "ar32"          },
2326         { REG_AR_BASE+33,       "ar33"          },
2327         { REG_AR_BASE+34,       "ar34"          },
2328         { REG_AR_BASE+35,       "ar35"          },
2329         { REG_AR_BASE+36,       "ar36"          },
2330         { REG_AR_BASE+37,       "ar37"          },
2331         { REG_AR_BASE+38,       "ar38"          },
2332         { REG_AR_BASE+39,       "ar39"          },
2333         { REG_AR_BASE+40,       "ar40"          },
2334         { REG_AR_BASE+41,       "ar41"          },
2335         { REG_AR_BASE+42,       "ar42"          },
2336         { REG_AR_BASE+43,       "ar43"          },
2337         { REG_AR_BASE+44,       "ar44"          },
2338         { REG_AR_BASE+45,       "ar45"          },
2339         { REG_AR_BASE+46,       "ar46"          },
2340         { REG_AR_BASE+47,       "ar47"          },
2341         { REG_AR_BASE+48,       "ar48"          },
2342         { REG_AR_BASE+49,       "ar49"          },
2343         { REG_AR_BASE+50,       "ar50"          },
2344         { REG_AR_BASE+51,       "ar51"          },
2345         { REG_AR_BASE+52,       "ar52"          },
2346         { REG_AR_BASE+53,       "ar53"          },
2347         { REG_AR_BASE+54,       "ar54"          },
2348         { REG_AR_BASE+55,       "ar55"          },
2349         { REG_AR_BASE+56,       "ar56"          },
2350         { REG_AR_BASE+57,       "ar57"          },
2351         { REG_AR_BASE+58,       "ar58"          },
2352         { REG_AR_BASE+59,       "ar59"          },
2353         { REG_AR_BASE+60,       "ar60"          },
2354         { REG_AR_BASE+61,       "ar61"          },
2355         { REG_AR_BASE+62,       "ar62"          },
2356         { REG_AR_BASE+63,       "ar63"          },
2357         { REG_LBEG,             "lbeg"          },
2358         { REG_LEND,             "lend"          },
2359         { REG_LCOUNT,           "lcount"        },
2360         { REG_SAR,              "sar"           },
2361         { REG_WB,               "wb"            },
2362         { REG_WS,               "ws"            },
2363         { REG_PS,               "ps"            },
2364         { REG_PC,               "pc"            },
2365         { REG_A_BASE,           "a0"            },
2366         { REG_A_BASE+1,         "a1"            },
2367         { REG_A_BASE+2,         "a2"            },
2368         { REG_A_BASE+3,         "a3"            },
2369         { REG_A_BASE+4,         "a4"            },
2370         { REG_A_BASE+5,         "a5"            },
2371         { REG_A_BASE+6,         "a6"            },
2372         { REG_A_BASE+7,         "a7"            },
2373         { REG_A_BASE+8,         "a8"            },
2374         { REG_A_BASE+9,         "a9"            },
2375         { REG_A_BASE+10,        "a10"           },
2376         { REG_A_BASE+11,        "a11"           },
2377         { REG_A_BASE+12,        "a12"           },
2378         { REG_A_BASE+13,        "a13"           },
2379         { REG_A_BASE+14,        "a14"           },
2380         { REG_A_BASE+15,        "a15"           },
2381 #endif
2382
2383         /* Other fields in "struct user" */
2384 #if defined(S390) || defined(S390X)
2385         { uoff(u_tsize),        "offsetof(struct user, u_tsize)"        },
2386         { uoff(u_dsize),        "offsetof(struct user, u_dsize)"        },
2387         { uoff(u_ssize),        "offsetof(struct user, u_ssize)"        },
2388         { uoff(start_code),     "offsetof(struct user, start_code)"     },
2389         /* S390[X] has no start_data */
2390         { uoff(start_stack),    "offsetof(struct user, start_stack)"    },
2391         { uoff(signal),         "offsetof(struct user, signal)"         },
2392         { uoff(u_ar0),          "offsetof(struct user, u_ar0)"          },
2393         { uoff(magic),          "offsetof(struct user, magic)"          },
2394         { uoff(u_comm),         "offsetof(struct user, u_comm)"         },
2395         { sizeof(struct user),  "sizeof(struct user)"                   },
2396 #elif defined(POWERPC)
2397         { sizeof(struct user),  "sizeof(struct user)"                   },
2398 #elif defined(I386) || defined(X86_64) || defined(X32)
2399         { uoff(u_fpvalid),      "offsetof(struct user, u_fpvalid)"      },
2400         { uoff(i387),           "offsetof(struct user, i387)"           },
2401         { uoff(u_tsize),        "offsetof(struct user, u_tsize)"        },
2402         { uoff(u_dsize),        "offsetof(struct user, u_dsize)"        },
2403         { uoff(u_ssize),        "offsetof(struct user, u_ssize)"        },
2404         { uoff(start_code),     "offsetof(struct user, start_code)"     },
2405         { uoff(start_stack),    "offsetof(struct user, start_stack)"    },
2406         { uoff(signal),         "offsetof(struct user, signal)"         },
2407         { uoff(reserved),       "offsetof(struct user, reserved)"       },
2408         { uoff(u_ar0),          "offsetof(struct user, u_ar0)"          },
2409         { uoff(u_fpstate),      "offsetof(struct user, u_fpstate)"      },
2410         { uoff(magic),          "offsetof(struct user, magic)"          },
2411         { uoff(u_comm),         "offsetof(struct user, u_comm)"         },
2412         { uoff(u_debugreg),     "offsetof(struct user, u_debugreg)"     },
2413         { sizeof(struct user),  "sizeof(struct user)"                   },
2414 #elif defined(IA64)
2415         { sizeof(struct user),  "sizeof(struct user)"                   },
2416 #elif defined(ARM)
2417         { uoff(u_fpvalid),      "offsetof(struct user, u_fpvalid)"      },
2418         { uoff(u_tsize),        "offsetof(struct user, u_tsize)"        },
2419         { uoff(u_dsize),        "offsetof(struct user, u_dsize)"        },
2420         { uoff(u_ssize),        "offsetof(struct user, u_ssize)"        },
2421         { uoff(start_code),     "offsetof(struct user, start_code)"     },
2422         { uoff(start_stack),    "offsetof(struct user, start_stack)"    },
2423         { uoff(signal),         "offsetof(struct user, signal)"         },
2424         { uoff(reserved),       "offsetof(struct user, reserved)"       },
2425         { uoff(u_ar0),          "offsetof(struct user, u_ar0)"          },
2426         { uoff(magic),          "offsetof(struct user, magic)"          },
2427         { uoff(u_comm),         "offsetof(struct user, u_comm)"         },
2428         { sizeof(struct user),  "sizeof(struct user)"                   },
2429 #elif defined(AARCH64)
2430         /* nothing */
2431 #elif defined(M68K)
2432         { uoff(u_fpvalid),      "offsetof(struct user, u_fpvalid)"      },
2433         { uoff(m68kfp),         "offsetof(struct user, m68kfp)"         },
2434         { uoff(u_tsize),        "offsetof(struct user, u_tsize)"        },
2435         { uoff(u_dsize),        "offsetof(struct user, u_dsize)"        },
2436         { uoff(u_ssize),        "offsetof(struct user, u_ssize)"        },
2437         { uoff(start_code),     "offsetof(struct user, start_code)"     },
2438         { uoff(start_stack),    "offsetof(struct user, start_stack)"    },
2439         { uoff(signal),         "offsetof(struct user, signal)"         },
2440         { uoff(reserved),       "offsetof(struct user, reserved)"       },
2441         { uoff(u_ar0),          "offsetof(struct user, u_ar0)"          },
2442         { uoff(u_fpstate),      "offsetof(struct user, u_fpstate)"      },
2443         { uoff(magic),          "offsetof(struct user, magic)"          },
2444         { uoff(u_comm),         "offsetof(struct user, u_comm)"         },
2445         { sizeof(struct user),  "sizeof(struct user)"                   },
2446 #elif defined(MIPS) || defined(LINUX_MIPSN32)
2447         { uoff(u_tsize),        "offsetof(struct user, u_tsize)"        },
2448         { uoff(u_dsize),        "offsetof(struct user, u_dsize)"        },
2449         { uoff(u_ssize),        "offsetof(struct user, u_ssize)"        },
2450         { uoff(start_code),     "offsetof(struct user, start_code)"     },
2451         { uoff(start_data),     "offsetof(struct user, start_data)"     },
2452         { uoff(start_stack),    "offsetof(struct user, start_stack)"    },
2453         { uoff(signal),         "offsetof(struct user, signal)"         },
2454         { uoff(u_ar0),          "offsetof(struct user, u_ar0)"          },
2455         { uoff(magic),          "offsetof(struct user, magic)"          },
2456         { uoff(u_comm),         "offsetof(struct user, u_comm)"         },
2457         { sizeof(struct user),  "sizeof(struct user)"                   },
2458 #elif defined(ALPHA)
2459         { sizeof(struct user),  "sizeof(struct user)"                   },
2460 #elif defined(SPARC)
2461         { sizeof(struct user),  "sizeof(struct user)"                   },
2462 #elif defined(SPARC64)
2463         { uoff(u_tsize),        "offsetof(struct user, u_tsize)"        },
2464         { uoff(u_dsize),        "offsetof(struct user, u_dsize)"        },
2465         { uoff(u_ssize),        "offsetof(struct user, u_ssize)"        },
2466         { uoff(signal),         "offsetof(struct user, signal)"         },
2467         { uoff(magic),          "offsetof(struct user, magic)"          },
2468         { uoff(u_comm),         "offsetof(struct user, u_comm)"         },
2469         { sizeof(struct user),  "sizeof(struct user)"                   },
2470 #elif defined(HPPA)
2471         /* nothing */
2472 #elif defined(SH) || defined(SH64)
2473         { uoff(u_fpvalid),      "offsetof(struct user, u_fpvalid)"      },
2474         { uoff(u_tsize),        "offsetof(struct user, u_tsize)"        },
2475         { uoff(u_dsize),        "offsetof(struct user, u_dsize)"        },
2476         { uoff(u_ssize),        "offsetof(struct user, u_ssize)"        },
2477         { uoff(start_code),     "offsetof(struct user, start_code)"     },
2478         { uoff(start_data),     "offsetof(struct user, start_data)"     },
2479         { uoff(start_stack),    "offsetof(struct user, start_stack)"    },
2480         { uoff(signal),         "offsetof(struct user, signal)"         },
2481         { uoff(u_ar0),          "offsetof(struct user, u_ar0)"          },
2482         { uoff(u_fpstate),      "offsetof(struct user, u_fpstate)"      },
2483         { uoff(magic),          "offsetof(struct user, magic)"          },
2484         { uoff(u_comm),         "offsetof(struct user, u_comm)"         },
2485         { sizeof(struct user),  "sizeof(struct user)"                   },
2486 #elif defined(CRISV10) || defined(CRISV32)
2487         { sizeof(struct user),  "sizeof(struct user)"                   },
2488 #elif defined(TILE)
2489         /* nothing */
2490 #elif defined(MICROBLAZE)
2491         { sizeof(struct user),  "sizeof(struct user)"                   },
2492 #elif defined(AVR32)
2493         { uoff(u_tsize),        "offsetof(struct user, u_tsize)"        },
2494         { uoff(u_dsize),        "offsetof(struct user, u_dsize)"        },
2495         { uoff(u_ssize),        "offsetof(struct user, u_ssize)"        },
2496         { uoff(start_code),     "offsetof(struct user, start_code)"     },
2497         { uoff(start_data),     "offsetof(struct user, start_data)"     },
2498         { uoff(start_stack),    "offsetof(struct user, start_stack)"    },
2499         { uoff(signal),         "offsetof(struct user, signal)"         },
2500         { uoff(u_ar0),          "offsetof(struct user, u_ar0)"          },
2501         { uoff(magic),          "offsetof(struct user, magic)"          },
2502         { uoff(u_comm),         "offsetof(struct user, u_comm)"         },
2503         { sizeof(struct user),  "sizeof(struct user)"                   },
2504 #elif defined(BFIN)
2505         { uoff(u_tsize),        "offsetof(struct user, u_tsize)"        },
2506         { uoff(u_dsize),        "offsetof(struct user, u_dsize)"        },
2507         { uoff(u_ssize),        "offsetof(struct user, u_ssize)"        },
2508         { uoff(start_code),     "offsetof(struct user, start_code)"     },
2509         { uoff(signal),         "offsetof(struct user, signal)"         },
2510         { uoff(u_ar0),          "offsetof(struct user, u_ar0)"          },
2511         { uoff(magic),          "offsetof(struct user, magic)"          },
2512         { uoff(u_comm),         "offsetof(struct user, u_comm)"         },
2513         { sizeof(struct user),  "sizeof(struct user)"                   },
2514 #elif defined(OR1K)
2515         /* nothing */
2516 #elif defined(METAG)
2517         /* nothing */
2518 #elif defined(XTENSA)
2519         /* nothing */
2520 #elif defined(ARC)
2521         /* nothing */
2522 #endif
2523         { 0,                    NULL                                    },
2524 };
2525
2526 int
2527 sys_ptrace(struct tcb *tcp)
2528 {
2529         const struct xlat *x;
2530         long addr;
2531
2532         if (entering(tcp)) {
2533                 printxval(ptrace_cmds, tcp->u_arg[0], "PTRACE_???");
2534                 tprintf(", %lu, ", tcp->u_arg[1]);
2535
2536                 addr = tcp->u_arg[2];
2537                 if (tcp->u_arg[0] == PTRACE_PEEKUSER
2538                  || tcp->u_arg[0] == PTRACE_POKEUSER
2539                 ) {
2540                         for (x = struct_user_offsets; x->str; x++) {
2541                                 if (x->val >= addr)
2542                                         break;
2543                         }
2544                         if (!x->str)
2545                                 tprintf("%#lx, ", addr);
2546                         else if (x->val > addr && x != struct_user_offsets) {
2547                                 x--;
2548                                 tprintf("%s + %ld, ", x->str, addr - x->val);
2549                         }
2550                         else
2551                                 tprintf("%s, ", x->str);
2552                 } else
2553 #ifdef PTRACE_GETREGSET
2554                 if (tcp->u_arg[0] == PTRACE_GETREGSET
2555                  || tcp->u_arg[0] == PTRACE_SETREGSET
2556                 ) {
2557                         printxval(nt_descriptor_types, tcp->u_arg[2], "NT_???");
2558                         tprints(", ");
2559                 } else
2560 #endif
2561                         tprintf("%#lx, ", addr);
2562
2563
2564                 switch (tcp->u_arg[0]) {
2565 #ifndef IA64
2566                 case PTRACE_PEEKDATA:
2567                 case PTRACE_PEEKTEXT:
2568                 case PTRACE_PEEKUSER:
2569                         break;
2570 #endif
2571                 case PTRACE_CONT:
2572                 case PTRACE_SINGLESTEP:
2573                 case PTRACE_SYSCALL:
2574                 case PTRACE_DETACH:
2575                         printsignal(tcp->u_arg[3]);
2576                         break;
2577 #ifdef PTRACE_SETOPTIONS
2578                 case PTRACE_SETOPTIONS:
2579                         printflags(ptrace_setoptions_flags, tcp->u_arg[3], "PTRACE_O_???");
2580                         break;
2581 #endif
2582 #ifdef PTRACE_SETSIGINFO
2583                 case PTRACE_SETSIGINFO: {
2584                         printsiginfo_at(tcp, tcp->u_arg[3]);
2585                         break;
2586                 }
2587 #endif
2588 #ifdef PTRACE_GETSIGINFO
2589                 case PTRACE_GETSIGINFO:
2590                         /* Don't print anything, do it at syscall return. */
2591                         break;
2592 #endif
2593 #ifdef PTRACE_GETREGSET
2594                 case PTRACE_GETREGSET:
2595                         break;
2596                 case PTRACE_SETREGSET:
2597                         tprint_iov(tcp, /*len:*/ 1, tcp->u_arg[3], /*as string:*/ 0);
2598                         break;
2599 #endif
2600                 default:
2601                         tprintf("%#lx", tcp->u_arg[3]);
2602                         break;
2603                 }
2604         } else {
2605                 switch (tcp->u_arg[0]) {
2606                 case PTRACE_PEEKDATA:
2607                 case PTRACE_PEEKTEXT:
2608                 case PTRACE_PEEKUSER:
2609 #ifdef IA64
2610                         return RVAL_HEX;
2611 #else
2612                         printnum(tcp, tcp->u_arg[3], "%#lx");
2613                         break;
2614 #endif
2615 #ifdef PTRACE_GETSIGINFO
2616                 case PTRACE_GETSIGINFO: {
2617                         printsiginfo_at(tcp, tcp->u_arg[3]);
2618                         break;
2619                 }
2620 #endif
2621 #ifdef PTRACE_GETREGSET
2622                 case PTRACE_GETREGSET:
2623                         tprint_iov(tcp, /*len:*/ 1, tcp->u_arg[3], /*as string:*/ 0);
2624                         break;
2625 #endif
2626                 }
2627         }
2628         return 0;
2629 }
2630
2631 #ifndef FUTEX_CMP_REQUEUE
2632 # define FUTEX_CMP_REQUEUE 4
2633 #endif
2634 #ifndef FUTEX_WAKE_OP
2635 # define FUTEX_WAKE_OP 5
2636 #endif
2637 #ifndef FUTEX_LOCK_PI
2638 # define FUTEX_LOCK_PI 6
2639 # define FUTEX_UNLOCK_PI 7
2640 # define FUTEX_TRYLOCK_PI 8
2641 #endif
2642 #ifndef FUTEX_WAIT_BITSET
2643 # define FUTEX_WAIT_BITSET 9
2644 #endif
2645 #ifndef FUTEX_WAKE_BITSET
2646 # define FUTEX_WAKE_BITSET 10
2647 #endif
2648 #ifndef FUTEX_WAIT_REQUEUE_PI
2649 # define FUTEX_WAIT_REQUEUE_PI 11
2650 #endif
2651 #ifndef FUTEX_CMP_REQUEUE_PI
2652 # define FUTEX_CMP_REQUEUE_PI 12
2653 #endif
2654 #ifndef FUTEX_PRIVATE_FLAG
2655 # define FUTEX_PRIVATE_FLAG 128
2656 #endif
2657 #ifndef FUTEX_CLOCK_REALTIME
2658 # define FUTEX_CLOCK_REALTIME 256
2659 #endif
2660 static const struct xlat futexops[] = {
2661         { FUTEX_WAIT,                                   "FUTEX_WAIT" },
2662         { FUTEX_WAKE,                                   "FUTEX_WAKE" },
2663         { FUTEX_FD,                                     "FUTEX_FD" },
2664         { FUTEX_REQUEUE,                                "FUTEX_REQUEUE" },
2665         { FUTEX_CMP_REQUEUE,                            "FUTEX_CMP_REQUEUE" },
2666         { FUTEX_WAKE_OP,                                "FUTEX_WAKE_OP" },
2667         { FUTEX_LOCK_PI,                                "FUTEX_LOCK_PI" },
2668         { FUTEX_UNLOCK_PI,                              "FUTEX_UNLOCK_PI" },
2669         { FUTEX_TRYLOCK_PI,                             "FUTEX_TRYLOCK_PI" },
2670         { FUTEX_WAIT_BITSET,                            "FUTEX_WAIT_BITSET" },
2671         { FUTEX_WAKE_BITSET,                            "FUTEX_WAKE_BITSET" },
2672         { FUTEX_WAIT_REQUEUE_PI,                        "FUTEX_WAIT_REQUEUE_PI" },
2673         { FUTEX_CMP_REQUEUE_PI,                         "FUTEX_CMP_REQUEUE_PI" },
2674         { FUTEX_WAIT|FUTEX_PRIVATE_FLAG,                "FUTEX_WAIT_PRIVATE" },
2675         { FUTEX_WAKE|FUTEX_PRIVATE_FLAG,                "FUTEX_WAKE_PRIVATE" },
2676         { FUTEX_FD|FUTEX_PRIVATE_FLAG,                  "FUTEX_FD_PRIVATE" },
2677         { FUTEX_REQUEUE|FUTEX_PRIVATE_FLAG,             "FUTEX_REQUEUE_PRIVATE" },
2678         { FUTEX_CMP_REQUEUE|FUTEX_PRIVATE_FLAG,         "FUTEX_CMP_REQUEUE_PRIVATE" },
2679         { FUTEX_WAKE_OP|FUTEX_PRIVATE_FLAG,             "FUTEX_WAKE_OP_PRIVATE" },
2680         { FUTEX_LOCK_PI|FUTEX_PRIVATE_FLAG,             "FUTEX_LOCK_PI_PRIVATE" },
2681         { FUTEX_UNLOCK_PI|FUTEX_PRIVATE_FLAG,           "FUTEX_UNLOCK_PI_PRIVATE" },
2682         { FUTEX_TRYLOCK_PI|FUTEX_PRIVATE_FLAG,          "FUTEX_TRYLOCK_PI_PRIVATE" },
2683         { FUTEX_WAIT_BITSET|FUTEX_PRIVATE_FLAG,         "FUTEX_WAIT_BITSET_PRIVATE" },
2684         { FUTEX_WAKE_BITSET|FUTEX_PRIVATE_FLAG,         "FUTEX_WAKE_BITSET_PRIVATE" },
2685         { FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG,     "FUTEX_WAIT_REQUEUE_PI_PRIVATE" },
2686         { FUTEX_CMP_REQUEUE_PI|FUTEX_PRIVATE_FLAG,      "FUTEX_CMP_REQUEUE_PI_PRIVATE" },
2687         { FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME,       "FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME" },
2688         { FUTEX_WAIT_BITSET|FUTEX_PRIVATE_FLAG|FUTEX_CLOCK_REALTIME,    "FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME" },
2689         { FUTEX_WAIT_REQUEUE_PI|FUTEX_CLOCK_REALTIME,   "FUTEX_WAIT_REQUEUE_PI|FUTEX_CLOCK_REALTIME" },
2690         { FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG|FUTEX_CLOCK_REALTIME,        "FUTEX_WAIT_REQUEUE_PI_PRIVATE|FUTEX_CLOCK_REALTIME" },
2691         { 0,                                            NULL }
2692 };
2693 #ifndef FUTEX_OP_SET
2694 # define FUTEX_OP_SET           0
2695 # define FUTEX_OP_ADD           1
2696 # define FUTEX_OP_OR            2
2697 # define FUTEX_OP_ANDN          3
2698 # define FUTEX_OP_XOR           4
2699 # define FUTEX_OP_CMP_EQ        0
2700 # define FUTEX_OP_CMP_NE        1
2701 # define FUTEX_OP_CMP_LT        2
2702 # define FUTEX_OP_CMP_LE        3
2703 # define FUTEX_OP_CMP_GT        4
2704 # define FUTEX_OP_CMP_GE        5
2705 #endif
2706 static const struct xlat futexwakeops[] = {
2707         { FUTEX_OP_SET,         "FUTEX_OP_SET" },
2708         { FUTEX_OP_ADD,         "FUTEX_OP_ADD" },
2709         { FUTEX_OP_OR,          "FUTEX_OP_OR" },
2710         { FUTEX_OP_ANDN,        "FUTEX_OP_ANDN" },
2711         { FUTEX_OP_XOR,         "FUTEX_OP_XOR" },
2712         { 0,                    NULL }
2713 };
2714 static const struct xlat futexwakecmps[] = {
2715         { FUTEX_OP_CMP_EQ,      "FUTEX_OP_CMP_EQ" },
2716         { FUTEX_OP_CMP_NE,      "FUTEX_OP_CMP_NE" },
2717         { FUTEX_OP_CMP_LT,      "FUTEX_OP_CMP_LT" },
2718         { FUTEX_OP_CMP_LE,      "FUTEX_OP_CMP_LE" },
2719         { FUTEX_OP_CMP_GT,      "FUTEX_OP_CMP_GT" },
2720         { FUTEX_OP_CMP_GE,      "FUTEX_OP_CMP_GE" },
2721         { 0,                    NULL }
2722 };
2723
2724 int
2725 sys_futex(struct tcb *tcp)
2726 {
2727         if (entering(tcp)) {
2728                 long int cmd = tcp->u_arg[1] & 127;
2729                 tprintf("%p, ", (void *) tcp->u_arg[0]);
2730                 printxval(futexops, tcp->u_arg[1], "FUTEX_???");
2731                 tprintf(", %ld", tcp->u_arg[2]);
2732                 if (cmd == FUTEX_WAKE_BITSET)
2733                         tprintf(", %lx", tcp->u_arg[5]);
2734                 else if (cmd == FUTEX_WAIT) {
2735                         tprints(", ");
2736                         printtv(tcp, tcp->u_arg[3]);
2737                 } else if (cmd == FUTEX_WAIT_BITSET) {
2738                         tprints(", ");
2739                         printtv(tcp, tcp->u_arg[3]);
2740                         tprintf(", %lx", tcp->u_arg[5]);
2741                 } else if (cmd == FUTEX_REQUEUE)
2742                         tprintf(", %ld, %p", tcp->u_arg[3], (void *) tcp->u_arg[4]);
2743                 else if (cmd == FUTEX_CMP_REQUEUE || cmd == FUTEX_CMP_REQUEUE_PI)
2744                         tprintf(", %ld, %p, %ld", tcp->u_arg[3], (void *) tcp->u_arg[4], tcp->u_arg[5]);
2745                 else if (cmd == FUTEX_WAKE_OP) {
2746                         tprintf(", %ld, %p, {", tcp->u_arg[3], (void *) tcp->u_arg[4]);
2747                         if ((tcp->u_arg[5] >> 28) & 8)
2748                                 tprints("FUTEX_OP_OPARG_SHIFT|");
2749                         printxval(futexwakeops, (tcp->u_arg[5] >> 28) & 0x7, "FUTEX_OP_???");
2750                         tprintf(", %ld, ", (tcp->u_arg[5] >> 12) & 0xfff);
2751                         if ((tcp->u_arg[5] >> 24) & 8)
2752                                 tprints("FUTEX_OP_OPARG_SHIFT|");
2753                         printxval(futexwakecmps, (tcp->u_arg[5] >> 24) & 0x7, "FUTEX_OP_CMP_???");
2754                         tprintf(", %ld}", tcp->u_arg[5] & 0xfff);
2755                 } else if (cmd == FUTEX_WAIT_REQUEUE_PI) {
2756                         tprints(", ");
2757                         printtv(tcp, tcp->u_arg[3]);
2758                         tprintf(", %p", (void *) tcp->u_arg[4]);
2759                 }
2760         }
2761         return 0;
2762 }
2763
2764 static void
2765 print_affinitylist(struct tcb *tcp, long list, unsigned int len)
2766 {
2767         int first = 1;
2768         unsigned long w, min_len;
2769
2770         if (abbrev(tcp) && len / sizeof(w) > max_strlen)
2771                 min_len = len - max_strlen * sizeof(w);
2772         else
2773                 min_len = 0;
2774         for (; len >= sizeof(w) && len > min_len;
2775              len -= sizeof(w), list += sizeof(w)) {
2776                 if (umove(tcp, list, &w) < 0)
2777                         break;
2778                 if (first)
2779                         tprints("{");
2780                 else
2781                         tprints(", ");
2782                 first = 0;
2783                 tprintf("%lx", w);
2784         }
2785         if (len) {
2786                 if (first)
2787                         tprintf("%#lx", list);
2788                 else
2789                         tprintf(", %s}", (len >= sizeof(w) && len > min_len ?
2790                                 "???" : "..."));
2791         } else {
2792                 tprints(first ? "{}" : "}");
2793         }
2794 }
2795
2796 int
2797 sys_sched_setaffinity(struct tcb *tcp)
2798 {
2799         if (entering(tcp)) {
2800                 tprintf("%ld, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
2801                 print_affinitylist(tcp, tcp->u_arg[2], tcp->u_arg[1]);
2802         }
2803         return 0;
2804 }
2805
2806 int
2807 sys_sched_getaffinity(struct tcb *tcp)
2808 {
2809         if (entering(tcp)) {
2810                 tprintf("%ld, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
2811         } else {
2812                 if (tcp->u_rval == -1)
2813                         tprintf("%#lx", tcp->u_arg[2]);
2814                 else
2815                         print_affinitylist(tcp, tcp->u_arg[2], tcp->u_rval);
2816         }
2817         return 0;
2818 }
2819
2820 int
2821 sys_get_robust_list(struct tcb *tcp)
2822 {
2823         if (entering(tcp)) {
2824                 tprintf("%ld, ", (long) (pid_t) tcp->u_arg[0]);
2825         } else {
2826                 void *addr;
2827                 size_t len;
2828
2829                 if (syserror(tcp) ||
2830                     !tcp->u_arg[1] ||
2831                     umove(tcp, tcp->u_arg[1], &addr) < 0) {
2832                         tprintf("%#lx, ", tcp->u_arg[1]);
2833                 } else {
2834                         tprintf("[%p], ", addr);
2835                 }
2836
2837                 if (syserror(tcp) ||
2838                     !tcp->u_arg[2] ||
2839                     umove(tcp, tcp->u_arg[2], &len) < 0) {
2840                         tprintf("%#lx", tcp->u_arg[2]);
2841                 } else {
2842                         tprintf("[%lu]", (unsigned long) len);
2843                 }
2844         }
2845         return 0;
2846 }
2847
2848 static const struct xlat schedulers[] = {
2849         { SCHED_OTHER,  "SCHED_OTHER" },
2850         { SCHED_RR,     "SCHED_RR" },
2851         { SCHED_FIFO,   "SCHED_FIFO" },
2852         { 0,            NULL }
2853 };
2854
2855 int
2856 sys_sched_getscheduler(struct tcb *tcp)
2857 {
2858         if (entering(tcp)) {
2859                 tprintf("%d", (int) tcp->u_arg[0]);
2860         } else if (!syserror(tcp)) {
2861                 tcp->auxstr = xlookup(schedulers, tcp->u_rval);
2862                 if (tcp->auxstr != NULL)
2863                         return RVAL_STR;
2864         }
2865         return 0;
2866 }
2867
2868 int
2869 sys_sched_setscheduler(struct tcb *tcp)
2870 {
2871         if (entering(tcp)) {
2872                 struct sched_param p;
2873                 tprintf("%d, ", (int) tcp->u_arg[0]);
2874                 printxval(schedulers, tcp->u_arg[1], "SCHED_???");
2875                 if (umove(tcp, tcp->u_arg[2], &p) < 0)
2876                         tprintf(", %#lx", tcp->u_arg[2]);
2877                 else
2878                         tprintf(", { %d }", p.__sched_priority);
2879         }
2880         return 0;
2881 }
2882
2883 int
2884 sys_sched_getparam(struct tcb *tcp)
2885 {
2886         if (entering(tcp)) {
2887                 tprintf("%d, ", (int) tcp->u_arg[0]);
2888         } else {
2889                 struct sched_param p;
2890                 if (umove(tcp, tcp->u_arg[1], &p) < 0)
2891                         tprintf("%#lx", tcp->u_arg[1]);
2892                 else
2893                         tprintf("{ %d }", p.__sched_priority);
2894         }
2895         return 0;
2896 }
2897
2898 int
2899 sys_sched_setparam(struct tcb *tcp)
2900 {
2901         if (entering(tcp)) {
2902                 struct sched_param p;
2903                 if (umove(tcp, tcp->u_arg[1], &p) < 0)
2904                         tprintf("%d, %#lx", (int) tcp->u_arg[0], tcp->u_arg[1]);
2905                 else
2906                         tprintf("%d, { %d }", (int) tcp->u_arg[0], p.__sched_priority);
2907         }
2908         return 0;
2909 }
2910
2911 int
2912 sys_sched_get_priority_min(struct tcb *tcp)
2913 {
2914         if (entering(tcp)) {
2915                 printxval(schedulers, tcp->u_arg[0], "SCHED_???");
2916         }
2917         return 0;
2918 }
2919
2920 int
2921 sys_sched_rr_get_interval(struct tcb *tcp)
2922 {
2923         if (entering(tcp)) {
2924                 tprintf("%ld, ", (long) (pid_t) tcp->u_arg[0]);
2925         } else {
2926                 if (syserror(tcp))
2927                         tprintf("%#lx", tcp->u_arg[1]);
2928                 else
2929                         print_timespec(tcp, tcp->u_arg[1]);
2930         }
2931         return 0;
2932 }
2933
2934 #if defined X86_64 || defined X32
2935 # include <asm/prctl.h>
2936
2937 static const struct xlat archvals[] = {
2938         { ARCH_SET_GS,          "ARCH_SET_GS"           },
2939         { ARCH_SET_FS,          "ARCH_SET_FS"           },
2940         { ARCH_GET_FS,          "ARCH_GET_FS"           },
2941         { ARCH_GET_GS,          "ARCH_GET_GS"           },
2942         { 0,                    NULL                    },
2943 };
2944
2945 int
2946 sys_arch_prctl(struct tcb *tcp)
2947 {
2948         if (entering(tcp)) {
2949                 printxval(archvals, tcp->u_arg[0], "ARCH_???");
2950                 if (tcp->u_arg[0] == ARCH_SET_GS
2951                  || tcp->u_arg[0] == ARCH_SET_FS
2952                 ) {
2953                         tprintf(", %#lx", tcp->u_arg[1]);
2954                 }
2955         } else {
2956                 if (tcp->u_arg[0] == ARCH_GET_GS
2957                  || tcp->u_arg[0] == ARCH_GET_FS
2958                 ) {
2959                         long int v;
2960                         if (!syserror(tcp) && umove(tcp, tcp->u_arg[1], &v) != -1)
2961                                 tprintf(", [%#lx]", v);
2962                         else
2963                                 tprintf(", %#lx", tcp->u_arg[1]);
2964                 }
2965         }
2966         return 0;
2967 }
2968 #endif /* X86_64 || X32 */
2969
2970 int
2971 sys_getcpu(struct tcb *tcp)
2972 {
2973         if (exiting(tcp)) {
2974                 unsigned u;
2975                 if (tcp->u_arg[0] == 0)
2976                         tprints("NULL, ");
2977                 else if (umove(tcp, tcp->u_arg[0], &u) < 0)
2978                         tprintf("%#lx, ", tcp->u_arg[0]);
2979                 else
2980                         tprintf("[%u], ", u);
2981                 if (tcp->u_arg[1] == 0)
2982                         tprints("NULL, ");
2983                 else if (umove(tcp, tcp->u_arg[1], &u) < 0)
2984                         tprintf("%#lx, ", tcp->u_arg[1]);
2985                 else
2986                         tprintf("[%u], ", u);
2987                 tprintf("%#lx", tcp->u_arg[2]);
2988         }
2989         return 0;
2990 }
2991
2992 int
2993 sys_process_vm_readv(struct tcb *tcp)
2994 {
2995         if (entering(tcp)) {
2996                 /* arg 1: pid */
2997                 tprintf("%ld, ", tcp->u_arg[0]);
2998         } else {
2999                 /* arg 2: local iov */
3000                 if (syserror(tcp)) {
3001                         tprintf("%#lx", tcp->u_arg[1]);
3002                 } else {
3003                         tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
3004                 }
3005                 /* arg 3: local iovcnt */
3006                 tprintf(", %lu, ", tcp->u_arg[2]);
3007                 /* arg 4: remote iov */
3008                 if (syserror(tcp)) {
3009                         tprintf("%#lx", tcp->u_arg[3]);
3010                 } else {
3011                         tprint_iov(tcp, tcp->u_arg[4], tcp->u_arg[3], 0);
3012                 }
3013                 /* arg 5: remote iovcnt */
3014                 /* arg 6: flags */
3015                 tprintf(", %lu, %lu", tcp->u_arg[4], tcp->u_arg[5]);
3016         }
3017         return 0;
3018 }
3019
3020 int
3021 sys_process_vm_writev(struct tcb *tcp)
3022 {
3023         if (entering(tcp)) {
3024                 /* arg 1: pid */
3025                 tprintf("%ld, ", tcp->u_arg[0]);
3026                 /* arg 2: local iov */
3027                 if (syserror(tcp))
3028                         tprintf("%#lx", tcp->u_arg[1]);
3029                 else
3030                         tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
3031                 /* arg 3: local iovcnt */
3032                 tprintf(", %lu, ", tcp->u_arg[2]);
3033                 /* arg 4: remote iov */
3034                 if (syserror(tcp))
3035                         tprintf("%#lx", tcp->u_arg[3]);
3036                 else
3037                         tprint_iov(tcp, tcp->u_arg[4], tcp->u_arg[3], 0);
3038                 /* arg 5: remote iovcnt */
3039                 /* arg 6: flags */
3040                 tprintf(", %lu, %lu", tcp->u_arg[4], tcp->u_arg[5]);
3041         }
3042         return 0;
3043 }