/* * Copyright (c) 1991, 1992 Paul Kranenburg * Copyright (c) 1993 Branko Lankester * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey * Copyright (c) 1996-1999 Wichert Akkerman * Copyright (c) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation * Linux for s390 port by D.J. Barrow * * Copyright (c) 2000 PocketPenguins Inc. Linux for Hitachi SuperH * port by Greg Banks * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $Id$ */ #include "defs.h" #include #include #include #include #include #include #include #include #include #ifdef SUNOS4 #include #endif /* SUNOS4 */ #ifdef FREEBSD #include #endif #if HAVE_ASM_REG_H #ifdef SPARC # define fpq kernel_fpq # define fq kernel_fq # define fpu kernel_fpu #endif #include #ifdef SPARC # undef fpq # undef fq # undef fpu #endif #endif /* HAVE_ASM_REG_H */ #ifdef HAVE_SYS_REG_H # include #ifndef PTRACE_PEEKUSR # define PTRACE_PEEKUSR PTRACE_PEEKUSER #endif #ifndef PTRACE_POKEUSR # define PTRACE_POKEUSR PTRACE_POKEUSER #endif #endif #ifdef HAVE_LINUX_PTRACE_H #undef PTRACE_SYSCALL #include #endif #ifdef HAVE_LINUX_FUTEX_H #include #endif #if defined LINUX # ifndef FUTEX_WAIT # define FUTEX_WAIT 0 # endif # ifndef FUTEX_WAKE # define FUTEX_WAKE 1 # endif # ifndef FUTEX_FD # define FUTEX_FD 2 # endif # ifndef FUTEX_REQUEUE # define FUTEX_REQUEUE 3 # endif #endif #ifdef LINUX #include #undef GETGROUPS_T #define GETGROUPS_T __kernel_gid_t #endif /* LINUX */ #if defined(LINUX) && defined(IA64) # include # include #endif #ifdef HAVE_PRCTL #include #endif #ifndef WCOREDUMP #define WCOREDUMP(status) ((status) & 0200) #endif /* WTA: this was `&& !defined(LINUXSPARC)', this seems unneeded though? */ #if defined(HAVE_PRCTL) static struct xlat prctl_options[] = { #ifdef PR_MAXPROCS { PR_MAXPROCS, "PR_MAXPROCS" }, #endif #ifdef PR_ISBLOCKED { PR_ISBLOCKED, "PR_ISBLOCKED" }, #endif #ifdef PR_SETSTACKSIZE { PR_SETSTACKSIZE, "PR_SETSTACKSIZE" }, #endif #ifdef PR_GETSTACKSIZE { PR_GETSTACKSIZE, "PR_GETSTACKSIZE" }, #endif #ifdef PR_MAXPPROCS { PR_MAXPPROCS, "PR_MAXPPROCS" }, #endif #ifdef PR_UNBLKONEXEC { PR_UNBLKONEXEC, "PR_UNBLKONEXEC" }, #endif #ifdef PR_ATOMICSIM { PR_ATOMICSIM, "PR_ATOMICSIM" }, #endif #ifdef PR_SETEXITSIG { PR_SETEXITSIG, "PR_SETEXITSIG" }, #endif #ifdef PR_RESIDENT { PR_RESIDENT, "PR_RESIDENT" }, #endif #ifdef PR_ATTACHADDR { PR_ATTACHADDR, "PR_ATTACHADDR" }, #endif #ifdef PR_DETACHADDR { PR_DETACHADDR, "PR_DETACHADDR" }, #endif #ifdef PR_TERMCHILD { PR_TERMCHILD, "PR_TERMCHILD" }, #endif #ifdef PR_GETSHMASK { PR_GETSHMASK, "PR_GETSHMASK" }, #endif #ifdef PR_GETNSHARE { PR_GETNSHARE, "PR_GETNSHARE" }, #endif #if defined(PR_SET_PDEATHSIG) { PR_SET_PDEATHSIG, "PR_SET_PDEATHSIG" }, #endif #ifdef PR_COREPID { PR_COREPID, "PR_COREPID" }, #endif #ifdef PR_ATTACHADDRPERM { PR_ATTACHADDRPERM, "PR_ATTACHADDRPERM" }, #endif #ifdef PR_PTHREADEXIT { PR_PTHREADEXIT, "PR_PTHREADEXIT" }, #endif #ifdef PR_SET_PDEATHSIG { PR_SET_PDEATHSIG, "PR_SET_PDEATHSIG" }, #endif #ifdef PR_GET_PDEATHSIG { PR_GET_PDEATHSIG, "PR_GET_PDEATHSIG" }, #endif #ifdef PR_GET_UNALIGN { PR_GET_UNALIGN, "PR_GET_UNALIGN" }, #endif #ifdef PR_SET_UNALIGN { PR_SET_UNALIGN, "PR_SET_UNALIGN" }, #endif #ifdef PR_GET_KEEPCAPS { PR_GET_KEEPCAPS, "PR_GET_KEEP_CAPS" }, #endif #ifdef PR_SET_KEEPCAPS { PR_SET_KEEPCAPS, "PR_SET_KEEP_CAPS" }, #endif { 0, NULL }, }; const char * unalignctl_string (unsigned int ctl) { static char buf[16]; switch (ctl) { #ifdef PR_UNALIGN_NOPRINT case PR_UNALIGN_NOPRINT: return "NOPRINT"; #endif #ifdef PR_UNALIGN_SIGBUS case PR_UNALIGN_SIGBUS: return "SIGBUS"; #endif default: break; } sprintf(buf, "%x", ctl); return buf; } int sys_prctl(tcp) struct tcb *tcp; { int i; if (entering(tcp)) { printxval(prctl_options, tcp->u_arg[0], "PR_???"); switch (tcp->u_arg[0]) { #ifdef PR_GETNSHARE case PR_GETNSHARE: break; #endif #ifdef PR_SET_DEATHSIG case PR_GET_PDEATHSIG: break; #endif #ifdef PR_SET_UNALIGN case PR_SET_UNALIGN: tprintf(", %s", unalignctl_string(tcp->u_arg[1])); break; #endif #ifdef PR_GET_UNALIGN case PR_GET_UNALIGN: tprintf(", %#lx", tcp->u_arg[1]); break; #endif default: for (i = 1; i < tcp->u_nargs; i++) tprintf(", %#lx", tcp->u_arg[i]); break; } } else { switch (tcp->u_arg[0]) { #ifdef PR_GET_PDEATHSIG case PR_GET_PDEATHSIG: for (i=1; iu_nargs; i++) tprintf(", %#lx", tcp->u_arg[i]); break; #endif #ifdef PR_SET_UNALIGN case PR_SET_UNALIGN: break; #endif #ifdef PR_GET_UNALIGN case PR_GET_UNALIGN: { int ctl; umove(tcp, tcp->u_arg[1], &ctl); tcp->auxstr = unalignctl_string(ctl); return RVAL_STR; } #endif default: break; } } return 0; } #endif /* HAVE_PRCTL */ int sys_gethostid(tcp) struct tcb *tcp; { if (exiting(tcp)) return RVAL_HEX; return 0; } int sys_sethostname(tcp) struct tcb *tcp; { if (entering(tcp)) { printpathn(tcp, tcp->u_arg[0], tcp->u_arg[1]); tprintf(", %lu", tcp->u_arg[1]); } return 0; } int sys_gethostname(tcp) struct tcb *tcp; { if (exiting(tcp)) { if (syserror(tcp)) tprintf("%#lx", tcp->u_arg[0]); else printpath(tcp, tcp->u_arg[0]); tprintf(", %lu", tcp->u_arg[1]); } return 0; } int sys_setdomainname(tcp) struct tcb *tcp; { if (entering(tcp)) { printpathn(tcp, tcp->u_arg[0], tcp->u_arg[1]); tprintf(", %lu", tcp->u_arg[1]); } return 0; } #if !defined(LINUX) int sys_getdomainname(tcp) struct tcb *tcp; { if (exiting(tcp)) { if (syserror(tcp)) tprintf("%#lx", tcp->u_arg[0]); else printpath(tcp, tcp->u_arg[0]); tprintf(", %lu", tcp->u_arg[1]); } return 0; } #endif /* !LINUX */ int sys_exit(tcp) struct tcb *tcp; { if (exiting(tcp)) { fprintf(stderr, "_exit returned!\n"); return -1; } /* special case: we stop tracing this process, finish line now */ tprintf("%ld) ", tcp->u_arg[0]); tabto(acolumn); tprintf("= ?"); printtrailer(tcp); return 0; } int internal_exit(tcp) struct tcb *tcp; { if (entering(tcp)) { tcp->flags |= TCB_EXITING; #ifdef __NR_exit_group if (tcp->scno == __NR_exit_group) tcp->flags |= TCB_GROUP_EXITING; #endif } return 0; } /* TCP is creating a child we want to follow. If there will be space in tcbtab for it, set TCB_FOLLOWFORK and return 0. If not, clear TCB_FOLLOWFORK, print an error, and return 1. */ static int fork_tcb(struct tcb *tcp) { if (nprocs == tcbtabsize) { /* Allocate some more TCBs and expand the table. We don't want to relocate the TCBs because our callers have pointers and it would be a pain. So tcbtab is a table of pointers. Since we never free the TCBs, we allocate a single chunk of many. */ struct tcb **newtab = (struct tcb **) realloc(tcbtab, 2 * tcbtabsize * sizeof tcbtab[0]); struct tcb *newtcbs = (struct tcb *) calloc(tcbtabsize, sizeof *newtcbs); int i; if (newtab == NULL || newtcbs == NULL) { if (newtab != NULL) free(newtab); tcp->flags &= ~TCB_FOLLOWFORK; fprintf(stderr, "sys_fork: tcb table full\n"); return 1; } for (i = tcbtabsize; i < 2 * tcbtabsize; ++i) newtab[i] = &newtcbs[i - tcbtabsize]; tcbtabsize *= 2; tcbtab = newtab; } tcp->flags |= TCB_FOLLOWFORK; return 0; } #ifdef USE_PROCFS int sys_fork(tcp) struct tcb *tcp; { if (exiting(tcp)) { if (getrval2(tcp)) { tcp->auxstr = "child process"; return RVAL_UDECIMAL | RVAL_STR; } } return 0; } #if UNIXWARE > 2 int sys_rfork(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf ("%ld", tcp->u_arg[0]); } else { if (getrval2(tcp)) { tcp->auxstr = "child process"; return RVAL_UDECIMAL | RVAL_STR; } } return 0; } #endif int internal_fork(tcp) struct tcb *tcp; { struct tcb *tcpchild; if (exiting(tcp)) { #ifdef SYS_rfork if (tcp->scno == SYS_rfork && !(tcp->u_arg[0]&RFPROC)) return 0; #endif if (getrval2(tcp)) return 0; if (!followfork) return 0; if (fork_tcb(tcp)) return 0; if (syserror(tcp)) return 0; if ((tcpchild = alloctcb(tcp->u_rval)) == NULL) { fprintf(stderr, "sys_fork: tcb table full\n"); return 0; } if (proc_open(tcpchild, 2) < 0) droptcb(tcpchild); } return 0; } #else /* !USE_PROCFS */ #ifdef LINUX /* defines copied from linux/sched.h since we can't include that * ourselves (it conflicts with *lots* of libc includes) */ #define CSIGNAL 0x000000ff /* signal mask to be sent at exit */ #define CLONE_VM 0x00000100 /* set if VM shared between processes */ #define CLONE_FS 0x00000200 /* set if fs info shared between processes */ #define CLONE_FILES 0x00000400 /* set if open files shared between processes */ #define CLONE_SIGHAND 0x00000800 /* set if signal handlers shared */ #define CLONE_IDLETASK 0x00001000 /* kernel-only flag */ #define CLONE_PTRACE 0x00002000 /* set if we want to let tracing continue on the child too */ #define CLONE_VFORK 0x00004000 /* set if the parent wants the child to wake it up on mm_release */ #define CLONE_PARENT 0x00008000 /* set if we want to have the same parent as the cloner */ #define CLONE_THREAD 0x00010000 /* Same thread group? */ #define CLONE_NEWNS 0x00020000 /* New namespace group? */ #define CLONE_SYSVSEM 0x00040000 /* share system V SEM_UNDO semantics */ #define CLONE_SETTLS 0x00080000 /* create a new TLS for the child */ #define CLONE_PARENT_SETTID 0x00100000 /* set the TID in the parent */ #define CLONE_CHILD_CLEARTID 0x00200000 /* clear the TID in the child */ #define CLONE_DETACHED 0x00400000 /* parent wants no child-exit signal */ #define CLONE_UNTRACED 0x00800000 /* set if the tracing process can't force CLONE_PTRACE on this clone */ #define CLONE_CHILD_SETTID 0x01000000 /* set the TID in the child */ static struct xlat clone_flags[] = { { CLONE_VM, "CLONE_VM" }, { CLONE_FS, "CLONE_FS" }, { CLONE_FILES, "CLONE_FILES" }, { CLONE_SIGHAND, "CLONE_SIGHAND" }, { CLONE_IDLETASK, "CLONE_IDLETASK"}, { CLONE_PTRACE, "CLONE_PTRACE" }, { CLONE_VFORK, "CLONE_VFORK" }, { CLONE_PARENT, "CLONE_PARENT" }, { CLONE_THREAD, "CLONE_THREAD" }, { CLONE_NEWNS, "CLONE_NEWNS" }, { CLONE_SYSVSEM, "CLONE_SYSVSEM" }, { CLONE_SETTLS, "CLONE_SETTLS" }, { CLONE_PARENT_SETTID,"CLONE_PARENT_SETTID" }, { CLONE_CHILD_CLEARTID,"CLONE_CHILD_CLEARTID" }, { CLONE_DETACHED, "CLONE_DETACHED" }, { CLONE_UNTRACED, "CLONE_UNTRACED" }, { CLONE_CHILD_SETTID,"CLONE_CHILD_SETTID" }, { 0, NULL }, }; # ifdef I386 # include extern void print_ldt_entry(); # endif # if defined IA64 # define ARG_FLAGS 0 # define ARG_STACK 1 # define ARG_STACKSIZE (tcp->scno == SYS_clone2 ? 2 : -1) # define ARG_PTID (tcp->scno == SYS_clone2 ? 3 : 2) # define ARG_CTID (tcp->scno == SYS_clone2 ? 4 : 3) # define ARG_TLS (tcp->scno == SYS_clone2 ? 5 : 4) # elif defined S390 || defined S390X # define ARG_STACK 0 # define ARG_FLAGS 1 # define ARG_PTID 2 # define ARG_CTID 3 # define ARG_TLS 4 # elif defined X86_64 || defined ALPHA # define ARG_FLAGS 0 # define ARG_STACK 1 # define ARG_PTID 2 # define ARG_CTID 3 # define ARG_TLS 4 # else # define ARG_FLAGS 0 # define ARG_STACK 1 # define ARG_PTID 2 # define ARG_TLS 3 # define ARG_CTID 4 # endif int sys_clone(tcp) struct tcb *tcp; { if (exiting(tcp)) { unsigned long flags = tcp->u_arg[ARG_FLAGS]; tprintf("child_stack=%#lx, ", tcp->u_arg[ARG_STACK]); # ifdef ARG_STACKSIZE if (ARG_STACKSIZE != -1) tprintf("stack_size=%#lx, ", tcp->u_arg[ARG_STACKSIZE]); # endif tprintf("flags="); if (printflags(clone_flags, flags &~ CSIGNAL) == 0) tprintf("0"); if ((flags & CSIGNAL) != 0) tprintf("|%s", signame(flags & CSIGNAL)); if ((flags & (CLONE_PARENT_SETTID|CLONE_CHILD_SETTID |CLONE_CHILD_CLEARTID|CLONE_SETTLS)) == 0) return 0; if (flags & CLONE_PARENT_SETTID) tprintf(", parent_tidptr=%#lx", tcp->u_arg[ARG_PTID]); if (flags & CLONE_SETTLS) { # ifdef I386 struct modify_ldt_ldt_s copy; if (umove(tcp, tcp->u_arg[ARG_TLS], ©) != -1) { tprintf(", {entry_number:%d, ", copy.entry_number); if (!verbose(tcp)) tprintf("...}"); else print_ldt_entry(©); } else # endif tprintf(", tls=%#lx", tcp->u_arg[ARG_TLS]); } if (flags & (CLONE_CHILD_SETTID|CLONE_CHILD_CLEARTID)) tprintf(", child_tidptr=%#lx", tcp->u_arg[ARG_CTID]); } return 0; } #endif int sys_fork(tcp) struct tcb *tcp; { if (exiting(tcp)) return RVAL_UDECIMAL; return 0; } int change_syscall(tcp, new) struct tcb *tcp; int new; { #if defined(LINUX) #if defined(I386) /* Attempt to make vfork into fork, which we can follow. */ if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(ORIG_EAX * 4), new) < 0) return -1; return 0; #elif defined(X86_64) /* Attempt to make vfork into fork, which we can follow. */ if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(ORIG_RAX * 8), new) < 0) return -1; return 0; #elif defined(POWERPC) if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(sizeof(unsigned long)*PT_R0), new) < 0) return -1; return 0; #elif defined(S390) || defined(S390X) /* s390 linux after 2.4.7 has a hook in entry.S to allow this */ if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(PT_GPR2), new)<0) return -1; return 0; #elif defined(M68K) if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(4*PT_ORIG_D0), new)<0) return -1; return 0; #elif defined(SPARC) struct regs regs; if (ptrace(PTRACE_GETREGS, tcp->pid, (char*)®s, 0)<0) return -1; regs.r_g1=new; if (ptrace(PTRACE_SETREGS, tcp->pid, (char*)®s, 0)<0) return -1; return 0; #elif defined(MIPS) if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(REG_V0), new)<0) return -1; return 0; #elif defined(ALPHA) if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(REG_A3), new)<0) return -1; return 0; #elif defined(IA64) if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(PT_R15), new)<0) return -1; return 0; #elif defined(HPPA) if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(PT_GR20), new)<0) return -1; return 0; #elif defined(SH) if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(4*(REG_REG0+3)), new)<0) return -1; return 0; #elif defined(SH64) /* Top half of reg encodes the no. of args n as 0x1n. Assume 0 args as kernel never actually checks... */ if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(REG_SYSCALL), 0x100000 | new) < 0) return -1; return 0; #else #warning Do not know how to handle change_syscall for this architecture #endif /* architecture */ #endif /* LINUX */ return -1; } int setarg(tcp, argnum) struct tcb *tcp; int argnum; { #if defined (IA64) { unsigned long *bsp, *ap; if (upeek(tcp->pid, PT_AR_BSP, (long *) &bsp) , 0) return -1; ap = ia64_rse_skip_regs(bsp, argnum); errno = 0; ptrace(PTRACE_POKEDATA, tcp->pid, (char *) ap, tcp->u_arg[argnum]); if (errno) return -1; } #elif defined(I386) { ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(4*argnum), tcp->u_arg[argnum]); if (errno) return -1; } #elif defined(X86_64) { ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(8*(long)argnum), tcp->u_arg[argnum]); if (errno) return -1; } #elif defined(POWERPC) #ifndef PT_ORIG_R3 #define PT_ORIG_R3 34 #endif { ptrace(PTRACE_POKEUSER, tcp->pid, (char*)((argnum==0 ? PT_ORIG_R3 : argnum+PT_R3)*sizeof(unsigned long)), tcp->u_arg[argnum]); if (errno) return -1; } #elif defined(MIPS) { errno = 0; if (argnum < 4) ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(REG_A0 + argnum), tcp->u_arg[argnum]); else { unsigned long *sp; if (upeek(tcp->pid, REG_SP, (long *) &sp) , 0) return -1; ptrace(PTRACE_POKEDATA, tcp->pid, (char*)(sp + argnum - 4), tcp->u_arg[argnum]); } if (errno) return -1; } #elif defined(S390) || defined(S390X) { if(argnum <= 5) ptrace(PTRACE_POKEUSER, tcp->pid, (char *) (argnum==0 ? PT_ORIGGPR2 : PT_GPR2 + argnum*sizeof(long)), tcp->u_arg[argnum]); else return -E2BIG; if (errno) return -1; } #else # warning Sorry, setargs not implemented for this architecture. #endif return 0; } #if defined SYS_clone || defined SYS_clone2 int internal_clone(tcp) struct tcb *tcp; { struct tcb *tcpchild; int pid; if (entering(tcp)) { if (!followfork) return 0; if (fork_tcb(tcp)) return 0; if (setbpt(tcp) < 0) return 0; } else { int bpt = tcp->flags & TCB_BPTSET; if (!(tcp->flags & TCB_FOLLOWFORK)) return 0; if (syserror(tcp)) { if (bpt) clearbpt(tcp); return 0; } pid = tcp->u_rval; #ifdef CLONE_PTRACE /* See new setbpt code. */ tcpchild = pid2tcb(pid); if (tcpchild != NULL) { /* The child already reported its startup trap before the parent reported its syscall return. */ if ((tcpchild->flags & (TCB_STARTUP|TCB_ATTACHED|TCB_SUSPENDED)) != (TCB_STARTUP|TCB_ATTACHED|TCB_SUSPENDED)) fprintf(stderr, "\ [preattached child %d of %d in weird state!]\n", pid, tcp->pid); } else #endif if ((tcpchild = alloctcb(pid)) == NULL) { if (bpt) clearbpt(tcp); fprintf(stderr, " [tcb table full]\n"); kill(pid, SIGKILL); /* XXX */ return 0; } #ifndef CLONE_PTRACE /* Attach to the new child */ if (ptrace(PTRACE_ATTACH, pid, (char *) 1, 0) < 0) { if (bpt) clearbpt(tcp); perror("PTRACE_ATTACH"); fprintf(stderr, "Too late?\n"); droptcb(tcpchild); return 0; } #endif if (bpt) clearbpt(tcp); tcpchild->flags |= TCB_ATTACHED; /* Child has BPT too, must be removed on first occasion. */ if (bpt) { tcpchild->flags |= TCB_BPTSET; tcpchild->baddr = tcp->baddr; memcpy(tcpchild->inst, tcp->inst, sizeof tcpchild->inst); } tcpchild->parent = tcp; tcp->nchildren++; if (tcpchild->flags & TCB_SUSPENDED) { /* The child was born suspended, due to our having forced CLONE_PTRACE. */ if (bpt) clearbpt(tcpchild); tcpchild->flags &= ~(TCB_SUSPENDED|TCB_STARTUP); if (ptrace(PTRACE_SYSCALL, pid, (char *) 1, 0) < 0) { perror("resume: ptrace(PTRACE_SYSCALL, ...)"); return -1; } if (!qflag) fprintf(stderr, "\ Process %u resumed (parent %d ready)\n", pid, tcp->pid); } else { newoutf(tcpchild); if (!qflag) fprintf(stderr, "Process %d attached\n", pid); } #ifdef TCB_CLONE_THREAD { /* * Save the flags used in this call, * in case we point TCP to our parent below. */ int call_flags = tcp->u_arg[ARG_FLAGS]; if ((tcp->flags & TCB_CLONE_THREAD) && tcp->parent != NULL) { /* The parent in this clone is itself a thread belonging to another process. There is no meaning to the parentage relationship of the new child with the thread, only with the process. We associate the new thread with our parent. Since this is done for every new thread, there will never be a TCB_CLONE_THREAD process that has children. */ --tcp->nchildren; tcp = tcp->parent; tcpchild->parent = tcp; ++tcp->nchildren; } if (call_flags & CLONE_THREAD) { tcpchild->flags |= TCB_CLONE_THREAD; ++tcp->nclone_threads; } if (call_flags & CLONE_DETACHED) { tcpchild->flags |= TCB_CLONE_DETACHED; ++tcp->nclone_detached; } } #endif } return 0; } #endif int internal_fork(tcp) struct tcb *tcp; { #ifdef LINUX /* We do special magic with clone for any clone or fork. */ return internal_clone(tcp); #else struct tcb *tcpchild; int pid; int dont_follow = 0; #ifdef SYS_vfork if (tcp->scno == SYS_vfork) { /* Attempt to make vfork into fork, which we can follow. */ if (!followvfork || change_syscall(tcp, SYS_fork) < 0) dont_follow = 1; } #endif if (entering(tcp)) { if (!followfork || dont_follow) return 0; if (fork_tcb(tcp)) return 0; if (setbpt(tcp) < 0) return 0; } else { int bpt = tcp->flags & TCB_BPTSET; if (!(tcp->flags & TCB_FOLLOWFORK)) return 0; if (bpt) clearbpt(tcp); if (syserror(tcp)) return 0; pid = tcp->u_rval; if ((tcpchild = alloctcb(pid)) == NULL) { fprintf(stderr, " [tcb table full]\n"); kill(pid, SIGKILL); /* XXX */ return 0; } #ifdef LINUX #ifdef HPPA /* The child must have run before it can be attached. */ /* This must be a bug in the parisc kernel, but I havn't * identified it yet. Seems to be an issue associated * with attaching to a process (which sends it a signal) * before that process has ever been scheduled. When * debugging, I started seeing crashes in * arch/parisc/kernel/signal.c:do_signal(), apparently * caused by r8 getting corrupt over the dequeue_signal() * call. Didn't make much sense though... */ { struct timeval tv; tv.tv_sec = 0; tv.tv_usec = 10000; select(0, NULL, NULL, NULL, &tv); } #endif if (ptrace(PTRACE_ATTACH, pid, (char *) 1, 0) < 0) { perror("PTRACE_ATTACH"); fprintf(stderr, "Too late?\n"); droptcb(tcpchild); return 0; } #endif /* LINUX */ #ifdef SUNOS4 #ifdef oldway /* The child must have run before it can be attached. */ { struct timeval tv; tv.tv_sec = 0; tv.tv_usec = 10000; select(0, NULL, NULL, NULL, &tv); } if (ptrace(PTRACE_ATTACH, pid, (char *)1, 0) < 0) { perror("PTRACE_ATTACH"); fprintf(stderr, "Too late?\n"); droptcb(tcpchild); return 0; } #else /* !oldway */ /* Try to catch the new process as soon as possible. */ { int i; for (i = 0; i < 1024; i++) if (ptrace(PTRACE_ATTACH, pid, (char *) 1, 0) >= 0) break; if (i == 1024) { perror("PTRACE_ATTACH"); fprintf(stderr, "Too late?\n"); droptcb(tcpchild); return 0; } } #endif /* !oldway */ #endif /* SUNOS4 */ tcpchild->flags |= TCB_ATTACHED; /* Child has BPT too, must be removed on first occasion */ if (bpt) { tcpchild->flags |= TCB_BPTSET; tcpchild->baddr = tcp->baddr; memcpy(tcpchild->inst, tcp->inst, sizeof tcpchild->inst); } newoutf(tcpchild); tcpchild->parent = tcp; tcp->nchildren++; if (!qflag) fprintf(stderr, "Process %d attached\n", pid); } return 0; #endif } #endif /* !USE_PROCFS */ #if defined(SUNOS4) || defined(LINUX) || defined(FREEBSD) int sys_vfork(tcp) struct tcb *tcp; { if (exiting(tcp)) return RVAL_UDECIMAL; return 0; } #endif /* SUNOS4 || LINUX || FREEBSD */ #ifndef LINUX static char idstr[16]; int sys_getpid(tcp) struct tcb *tcp; { if (exiting(tcp)) { sprintf(idstr, "ppid %lu", getrval2(tcp)); tcp->auxstr = idstr; return RVAL_STR; } return 0; } int sys_getuid(tcp) struct tcb *tcp; { if (exiting(tcp)) { sprintf(idstr, "euid %lu", getrval2(tcp)); tcp->auxstr = idstr; return RVAL_STR; } return 0; } int sys_getgid(tcp) struct tcb *tcp; { if (exiting(tcp)) { sprintf(idstr, "egid %lu", getrval2(tcp)); tcp->auxstr = idstr; return RVAL_STR; } return 0; } #endif /* !LINUX */ #ifdef LINUX int sys_setuid(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%u", (uid_t) tcp->u_arg[0]); } return 0; } int sys_setgid(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%u", (gid_t) tcp->u_arg[0]); } return 0; } int sys_getresuid(tcp) struct tcb *tcp; { if (exiting(tcp)) { __kernel_uid_t uid; if (syserror(tcp)) tprintf("%#lx, %#lx, %#lx", tcp->u_arg[0], tcp->u_arg[1], tcp->u_arg[2]); else { if (umove(tcp, tcp->u_arg[0], &uid) < 0) tprintf("%#lx, ", tcp->u_arg[0]); else tprintf("ruid %lu, ", (unsigned long) uid); if (umove(tcp, tcp->u_arg[1], &uid) < 0) tprintf("%#lx, ", tcp->u_arg[1]); else tprintf("euid %lu, ", (unsigned long) uid); if (umove(tcp, tcp->u_arg[2], &uid) < 0) tprintf("%#lx", tcp->u_arg[2]); else tprintf("suid %lu", (unsigned long) uid); } } return 0; } int sys_getresgid(tcp) struct tcb *tcp; { if (exiting(tcp)) { __kernel_gid_t gid; if (syserror(tcp)) tprintf("%#lx, %#lx, %#lx", tcp->u_arg[0], tcp->u_arg[1], tcp->u_arg[2]); else { if (umove(tcp, tcp->u_arg[0], &gid) < 0) tprintf("%#lx, ", tcp->u_arg[0]); else tprintf("rgid %lu, ", (unsigned long) gid); if (umove(tcp, tcp->u_arg[1], &gid) < 0) tprintf("%#lx, ", tcp->u_arg[1]); else tprintf("egid %lu, ", (unsigned long) gid); if (umove(tcp, tcp->u_arg[2], &gid) < 0) tprintf("%#lx", tcp->u_arg[2]); else tprintf("sgid %lu", (unsigned long) gid); } } return 0; } #endif /* LINUX */ int sys_setreuid(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%lu, %lu", (unsigned long) (uid_t) tcp->u_arg[0], (unsigned long) (uid_t) tcp->u_arg[1]); } return 0; } int sys_setregid(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%lu, %lu", (unsigned long) (gid_t) tcp->u_arg[0], (unsigned long) (gid_t) tcp->u_arg[1]); } return 0; } #if defined(LINUX) || defined(FREEBSD) int sys_setresuid(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("ruid %u, euid %u, suid %u", (uid_t) tcp->u_arg[0], (uid_t) tcp->u_arg[1], (uid_t) tcp->u_arg[2]); } return 0; } int sys_setresgid(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("rgid %u, egid %u, sgid %u", (uid_t) tcp->u_arg[0], (uid_t) tcp->u_arg[1], (uid_t) tcp->u_arg[2]); } return 0; } #endif /* LINUX || FREEBSD */ int sys_setgroups(tcp) struct tcb *tcp; { int i, len; GETGROUPS_T *gidset; if (entering(tcp)) { len = tcp->u_arg[0]; tprintf("%u, ", len); if (len <= 0) { tprintf("[]"); return 0; } gidset = (GETGROUPS_T *) malloc(len * sizeof(GETGROUPS_T)); if (gidset == NULL) { fprintf(stderr, "sys_setgroups: out of memory\n"); return -1; } if (!verbose(tcp)) tprintf("%#lx", tcp->u_arg[1]); else if (umoven(tcp, tcp->u_arg[1], len * sizeof(GETGROUPS_T), (char *) gidset) < 0) tprintf("[?]"); else { tprintf("["); for (i = 0; i < len; i++) tprintf("%s%lu", i ? ", " : "", (unsigned long) gidset[i]); tprintf("]"); } free((char *) gidset); } return 0; } int sys_getgroups(tcp) struct tcb *tcp; { int i, len; GETGROUPS_T *gidset; if (entering(tcp)) { len = tcp->u_arg[0]; tprintf("%u, ", len); } else { len = tcp->u_rval; if (len <= 0) { tprintf("[]"); return 0; } gidset = (GETGROUPS_T *) malloc(len * sizeof(GETGROUPS_T)); if (gidset == NULL) { fprintf(stderr, "sys_getgroups: out of memory\n"); return -1; } if (!tcp->u_arg[1]) tprintf("NULL"); else if (!verbose(tcp) || tcp->u_arg[0] == 0) tprintf("%#lx", tcp->u_arg[1]); else if (umoven(tcp, tcp->u_arg[1], len * sizeof(GETGROUPS_T), (char *) gidset) < 0) tprintf("[?]"); else { tprintf("["); for (i = 0; i < len; i++) tprintf("%s%lu", i ? ", " : "", (unsigned long) gidset[i]); tprintf("]"); } free((char *)gidset); } return 0; } int sys_setpgrp(tcp) struct tcb *tcp; { if (entering(tcp)) { #ifndef SVR4 tprintf("%lu, %lu", tcp->u_arg[0], tcp->u_arg[1]); #endif /* !SVR4 */ } return 0; } int sys_getpgrp(tcp) struct tcb *tcp; { if (entering(tcp)) { #ifndef SVR4 tprintf("%lu", tcp->u_arg[0]); #endif /* !SVR4 */ } return 0; } int sys_getsid(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%lu", tcp->u_arg[0]); } return 0; } int sys_setsid(tcp) struct tcb *tcp; { return 0; } int sys_getpgid(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%lu", tcp->u_arg[0]); } return 0; } int sys_setpgid(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%lu, %lu", tcp->u_arg[0], tcp->u_arg[1]); } return 0; } #if UNIXWARE >= 2 #include static struct xlat procpriv_cmds [] = { { SETPRV, "SETPRV" }, { CLRPRV, "CLRPRV" }, { PUTPRV, "PUTPRV" }, { GETPRV, "GETPRV" }, { CNTPRV, "CNTPRV" }, { 0, NULL }, }; static struct xlat procpriv_priv [] = { { P_OWNER, "P_OWNER" }, { P_AUDIT, "P_AUDIT" }, { P_COMPAT, "P_COMPAT" }, { P_DACREAD, "P_DACREAD" }, { P_DACWRITE, "P_DACWRITE" }, { P_DEV, "P_DEV" }, { P_FILESYS, "P_FILESYS" }, { P_MACREAD, "P_MACREAD" }, { P_MACWRITE, "P_MACWRITE" }, { P_MOUNT, "P_MOUNT" }, { P_MULTIDIR, "P_MULTIDIR" }, { P_SETPLEVEL, "P_SETPLEVEL" }, { P_SETSPRIV, "P_SETSPRIV" }, { P_SETUID, "P_SETUID" }, { P_SYSOPS, "P_SYSOPS" }, { P_SETUPRIV, "P_SETUPRIV" }, { P_DRIVER, "P_DRIVER" }, { P_RTIME, "P_RTIME" }, { P_MACUPGRADE, "P_MACUPGRADE" }, { P_FSYSRANGE, "P_FSYSRANGE" }, { P_SETFLEVEL, "P_SETFLEVEL" }, { P_AUDITWR, "P_AUDITWR" }, { P_TSHAR, "P_TSHAR" }, { P_PLOCK, "P_PLOCK" }, { P_CORE, "P_CORE" }, { P_LOADMOD, "P_LOADMOD" }, { P_BIND, "P_BIND" }, { P_ALLPRIVS, "P_ALLPRIVS" }, { 0, NULL }, }; static struct xlat procpriv_type [] = { { PS_FIX, "PS_FIX" }, { PS_INH, "PS_INH" }, { PS_MAX, "PS_MAX" }, { PS_WKG, "PS_WKG" }, { 0, NULL }, }; static void printpriv(tcp, addr, len, opt) struct tcb *tcp; long addr; int len; struct xlat *opt; { priv_t buf [128]; int max = verbose (tcp) ? sizeof buf / sizeof buf [0] : 10; int dots = len > max; int i; if (len > max) len = max; if (len <= 0 || umoven (tcp, addr, len * sizeof buf[0], (char *) buf) < 0) { tprintf ("%#lx", addr); return; } tprintf ("["); for (i = 0; i < len; ++i) { char *t, *p; if (i) tprintf (", "); if ((t = xlookup (procpriv_type, buf [i] & PS_TYPE)) && (p = xlookup (procpriv_priv, buf [i] & ~PS_TYPE))) { tprintf ("%s|%s", t, p); } else { tprintf ("%#lx", buf [i]); } } if (dots) tprintf (" ..."); tprintf ("]"); } int sys_procpriv(tcp) struct tcb *tcp; { if (entering(tcp)) { printxval(procpriv_cmds, tcp->u_arg[0], "???PRV"); switch (tcp->u_arg[0]) { case CNTPRV: tprintf(", %#lx, %ld", tcp->u_arg[1], tcp->u_arg[2]); break; case GETPRV: break; default: tprintf (", "); printpriv (tcp, tcp->u_arg[1], tcp->u_arg[2]); tprintf (", %ld", tcp->u_arg[2]); } } else if (tcp->u_arg[0] == GETPRV) { if (syserror (tcp)) { tprintf(", %#lx, %ld", tcp->u_arg[1], tcp->u_arg[2]); } else { tprintf (", "); printpriv (tcp, tcp->u_arg[1], tcp->u_rval); tprintf (", %ld", tcp->u_arg[2]); } } return 0; } #endif void fake_execve(tcp, program, argv, envp) struct tcb *tcp; char *program; char *argv[]; char *envp[]; { int i; #ifdef ARM if (!(qual_flags[SYS_execve - __NR_SYSCALL_BASE] & QUAL_TRACE)) return; #else if (!(qual_flags[SYS_execve] & QUAL_TRACE)) return; #endif /* !ARM */ printleader(tcp); tprintf("execve("); string_quote(program); tprintf(", ["); for (i = 0; argv[i] != NULL; i++) { if (i != 0) tprintf(", "); string_quote(argv[i]); } for (i = 0; envp[i] != NULL; i++) ; tprintf("], [/* %d var%s */]) ", i, (i != 1) ? "s" : ""); tabto(acolumn); tprintf("= 0"); printtrailer(tcp); } static void printargv(tcp, addr) struct tcb *tcp; long addr; { char *cp; char *sep; int max = max_strlen / 2; for (sep = ""; --max >= 0; sep = ", ") { if (!abbrev(tcp)) max++; if (umove(tcp, addr, &cp) < 0) { tprintf("%#lx", addr); return; } if (cp == 0) break; tprintf(sep); printstr(tcp, (long) cp, -1); addr += sizeof(char *); } if (cp) tprintf(", ..."); } static void printargc(fmt, tcp, addr) char *fmt; struct tcb *tcp; long addr; { int count; char *cp; for (count = 0; umove(tcp, addr, &cp) >= 0 && cp != NULL; count++) { addr += sizeof(char *); } tprintf(fmt, count, count == 1 ? "" : "s"); } int sys_execv(tcp) struct tcb *tcp; { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); if (!verbose(tcp)) tprintf(", %#lx", tcp->u_arg[1]); #if 0 else if (abbrev(tcp)) printargc(", [/* %d arg%s */]", tcp, tcp->u_arg[1]); #endif else { tprintf(", ["); printargv(tcp, tcp->u_arg[1]); tprintf("]"); } } return 0; } int sys_execve(tcp) struct tcb *tcp; { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); if (!verbose(tcp)) tprintf(", %#lx", tcp->u_arg[1]); #if 0 else if (abbrev(tcp)) printargc(", [/* %d arg%s */]", tcp, tcp->u_arg[1]); #endif else { tprintf(", ["); printargv(tcp, tcp->u_arg[1]); tprintf("]"); } if (!verbose(tcp)) tprintf(", %#lx", tcp->u_arg[2]); else if (abbrev(tcp)) printargc(", [/* %d var%s */]", tcp, tcp->u_arg[2]); else { tprintf(", ["); printargv(tcp, tcp->u_arg[2]); tprintf("]"); } } #if defined LINUX && defined TCB_WAITEXECVE tcp->flags |= TCB_WAITEXECVE; #endif /* LINUX && TCB_WAITEXECVE */ return 0; } #if UNIXWARE > 2 int sys_rexecve(tcp) struct tcb *tcp; { if (entering (tcp)) { sys_execve (tcp); tprintf (", %ld", tcp->u_arg[3]); } return 0; } #endif int internal_exec(tcp) struct tcb *tcp; { #ifdef SUNOS4 if (exiting(tcp) && !syserror(tcp) && followfork) fixvfork(tcp); #endif /* SUNOS4 */ return 0; } #ifdef LINUX #ifndef __WNOTHREAD #define __WNOTHREAD 0x20000000 #endif #ifndef __WALL #define __WALL 0x40000000 #endif #ifndef __WCLONE #define __WCLONE 0x80000000 #endif #endif /* LINUX */ static struct xlat wait4_options[] = { { WNOHANG, "WNOHANG" }, #ifndef WSTOPPED { WUNTRACED, "WUNTRACED" }, #endif #ifdef WEXITED { WEXITED, "WEXITED" }, #endif #ifdef WTRAPPED { WTRAPPED, "WTRAPPED" }, #endif #ifdef WSTOPPED { WSTOPPED, "WSTOPPED" }, #endif #ifdef WCONTINUED { WCONTINUED, "WCONTINUED" }, #endif #ifdef WNOWAIT { WNOWAIT, "WNOWAIT" }, #endif #ifdef __WCLONE { __WCLONE, "__WCLONE" }, #endif #ifdef __WALL { __WALL, "__WALL" }, #endif #ifdef __WNOTHREAD { __WNOTHREAD, "__WNOTHREAD" }, #endif { 0, NULL }, }; static int printstatus(status) int status; { int exited = 0; /* * Here is a tricky presentation problem. This solution * is still not entirely satisfactory but since there * are no wait status constructors it will have to do. */ if (WIFSTOPPED(status)) tprintf("[WIFSTOPPED(s) && WSTOPSIG(s) == %s]", signame(WSTOPSIG(status))); else if WIFSIGNALED(status) tprintf("[WIFSIGNALED(s) && WTERMSIG(s) == %s%s]", signame(WTERMSIG(status)), WCOREDUMP(status) ? " && WCOREDUMP(s)" : ""); else if WIFEXITED(status) { tprintf("[WIFEXITED(s) && WEXITSTATUS(s) == %d]", WEXITSTATUS(status)); exited = 1; } else tprintf("[%#x]", status); return exited; } static int printwaitn(tcp, n, bitness) struct tcb *tcp; int n; int bitness; { int status; int exited = 0; if (entering(tcp)) { tprintf("%ld, ", tcp->u_arg[0]); } else { /* status */ if (!tcp->u_arg[1]) tprintf("NULL"); else if (syserror(tcp) || tcp->u_rval == 0) tprintf("%#lx", tcp->u_arg[1]); else if (umove(tcp, tcp->u_arg[1], &status) < 0) tprintf("[?]"); else exited = printstatus(status); /* options */ tprintf(", "); if (!printflags(wait4_options, tcp->u_arg[2])) tprintf("0"); if (n == 4) { tprintf(", "); /* usage */ if (!tcp->u_arg[3]) tprintf("NULL"); #ifdef LINUX else if (tcp->u_rval > 0) { #ifdef LINUX_64BIT if (bitness) printrusage32(tcp, tcp->u_arg[3]); else #endif printrusage(tcp, tcp->u_arg[3]); } #endif /* LINUX */ #ifdef SUNOS4 else if (tcp->u_rval > 0 && exited) printrusage(tcp, tcp->u_arg[3]); #endif /* SUNOS4 */ else tprintf("%#lx", tcp->u_arg[3]); } } return 0; } int internal_wait(tcp) struct tcb *tcp; { int got_kids; #ifdef TCB_CLONE_THREAD if (tcp->flags & TCB_CLONE_THREAD) /* The children we wait for are our parent's children. */ got_kids = (tcp->parent->nchildren > tcp->parent->nclone_detached); else got_kids = (tcp->nchildren > tcp->nclone_detached); #else got_kids = tcp->nchildren > 0; #endif if (entering(tcp) && got_kids) { /* There are children that this parent should block for. But ptrace made us the parent of the traced children and the real parent will get ECHILD from the wait call. XXX If we attached with strace -f -p PID, then there may be untraced dead children the parent could be reaping now, but we make him block. */ /* ??? WTA: fix bug with hanging children */ if (!(tcp->u_arg[2] & WNOHANG)) { /* * There are traced children. We'll make the parent * block to avoid a false ECHILD error due to our * ptrace having stolen the children. However, * we shouldn't block if there are zombies to reap. * XXX doesn't handle pgrp matches (u_arg[0]==0,<-1) */ struct tcb *child = NULL; if (tcp->nzombies > 0 && (tcp->u_arg[0] == -1 || (child = pid2tcb(tcp->u_arg[0])) == NULL)) return 0; if (tcp->u_arg[0] > 0) { /* * If the parent waits for a specified child * PID, then it must get ECHILD right away * if that PID is not one of its children. * Make sure that the requested PID matches * one of the parent's children that we are * tracing, and don't suspend it otherwise. */ if (child == NULL) child = pid2tcb(tcp->u_arg[0]); if (child == NULL || child->parent != ( #ifdef TCB_CLONE_THREAD (tcp->flags & TCB_CLONE_THREAD) ? tcp->parent : #endif tcp)) return 0; } tcp->flags |= TCB_SUSPENDED; tcp->waitpid = tcp->u_arg[0]; #ifdef TCB_CLONE_THREAD if (tcp->flags & TCB_CLONE_THREAD) tcp->parent->nclone_waiting++; #endif } } if (exiting(tcp) && tcp->u_error == ECHILD && got_kids) { if (tcp->u_arg[2] & WNOHANG) { /* We must force a fake result of 0 instead of the ECHILD error. */ extern int force_result(); return force_result(tcp, 0, 0); } } else if (exiting(tcp) && tcp->u_error == 0 && tcp->u_rval > 0 && tcp->nzombies > 0 && pid2tcb(tcp->u_rval) == NULL) { /* * We just reaped a child we don't know about, * presumably a zombie we already droptcb'd. */ tcp->nzombies--; } return 0; } #ifdef SVR4 int sys_wait(tcp) struct tcb *tcp; { if (exiting(tcp)) { /* The library wrapper stuffs this into the user variable. */ if (!syserror(tcp)) printstatus(getrval2(tcp)); } return 0; } #endif /* SVR4 */ #ifdef FREEBSD int sys_wait(tcp) struct tcb *tcp; { int status; if (exiting(tcp)) { if (!syserror(tcp)) { if (umove(tcp, tcp->u_arg[0], &status) < 0) tprintf("%#lx", tcp->u_arg[0]); else printstatus(status); } } return 0; } #endif int sys_waitpid(tcp) struct tcb *tcp; { return printwaitn(tcp, 3, 0); } int sys_wait4(tcp) struct tcb *tcp; { return printwaitn(tcp, 4, 0); } #ifdef ALPHA int sys_osf_wait4(tcp) struct tcb *tcp; { return printwaitn(tcp, 4, 1); } #endif #ifdef SVR4 static struct xlat waitid_types[] = { { P_PID, "P_PID" }, { P_PPID, "P_PPID" }, { P_PGID, "P_PGID" }, { P_SID, "P_SID" }, { P_CID, "P_CID" }, { P_UID, "P_UID" }, { P_GID, "P_GID" }, { P_ALL, "P_ALL" }, #ifdef P_LWPID { P_LWPID, "P_LWPID" }, #endif { 0, NULL }, }; int sys_waitid(tcp) struct tcb *tcp; { siginfo_t si; int exited; if (entering(tcp)) { printxval(waitid_types, tcp->u_arg[0], "P_???"); tprintf(", %ld, ", tcp->u_arg[1]); if (tcp->nchildren > 0) { /* There are traced children */ tcp->flags |= TCB_SUSPENDED; tcp->waitpid = tcp->u_arg[0]; } } else { /* siginfo */ exited = 0; if (!tcp->u_arg[2]) tprintf("NULL"); else if (syserror(tcp)) tprintf("%#lx", tcp->u_arg[2]); else if (umove(tcp, tcp->u_arg[2], &si) < 0) tprintf("{???}"); else printsiginfo(&si, verbose (tcp)); /* options */ tprintf(", "); if (!printflags(wait4_options, tcp->u_arg[3])) tprintf("0"); } return 0; } #endif /* SVR4 */ int sys_alarm(tcp) struct tcb *tcp; { if (entering(tcp)) tprintf("%lu", tcp->u_arg[0]); return 0; } int sys_uname(tcp) struct tcb *tcp; { struct utsname uname; if (exiting(tcp)) { if (syserror(tcp) || !verbose(tcp)) tprintf("%#lx", tcp->u_arg[0]); else if (umove(tcp, tcp->u_arg[0], &uname) < 0) tprintf("{...}"); else if (!abbrev(tcp)) { tprintf("{sysname=\"%s\", nodename=\"%s\", ", uname.sysname, uname.nodename); tprintf("release=\"%s\", version=\"%s\", ", uname.release, uname.version); tprintf("machine=\"%s\"", uname.machine); #ifdef LINUX #ifndef __GLIBC__ tprintf(", domainname=\"%s\"", uname.domainname); #endif /* __GLIBC__ */ #endif /* LINUX */ tprintf("}"); } else tprintf("{sys=\"%s\", node=\"%s\", ...}", uname.sysname, uname.nodename); } return 0; } #ifndef SVR4 static struct xlat ptrace_cmds[] = { #ifndef FREEBSD { PTRACE_TRACEME, "PTRACE_TRACEME" }, { PTRACE_PEEKTEXT, "PTRACE_PEEKTEXT", }, { PTRACE_PEEKDATA, "PTRACE_PEEKDATA", }, { PTRACE_PEEKUSER, "PTRACE_PEEKUSER", }, { PTRACE_POKETEXT, "PTRACE_POKETEXT", }, { PTRACE_POKEDATA, "PTRACE_POKEDATA", }, { PTRACE_POKEUSER, "PTRACE_POKEUSER", }, { PTRACE_CONT, "PTRACE_CONT" }, { PTRACE_KILL, "PTRACE_KILL" }, { PTRACE_SINGLESTEP, "PTRACE_SINGLESTEP" }, { PTRACE_ATTACH, "PTRACE_ATTACH" }, { PTRACE_DETACH, "PTRACE_DETACH" }, #ifdef PTRACE_GETREGS { PTRACE_GETREGS, "PTRACE_GETREGS" }, #endif #ifdef PTRACE_SETREGS { PTRACE_SETREGS, "PTRACE_SETREGS" }, #endif #ifdef PTRACE_GETFPREGS { PTRACE_GETFPREGS, "PTRACE_GETFPREGS", }, #endif #ifdef PTRACE_SETFPREGS { PTRACE_SETFPREGS, "PTRACE_SETFPREGS", }, #endif #ifdef PTRACE_GETFPXREGS { PTRACE_GETFPXREGS, "PTRACE_GETFPXREGS", }, #endif #ifdef PTRACE_SETFPXREGS { PTRACE_SETFPXREGS, "PTRACE_SETFPXREGS", }, #endif #ifdef SUNOS4 { PTRACE_READDATA, "PTRACE_READDATA" }, { PTRACE_WRITEDATA, "PTRACE_WRITEDATA" }, { PTRACE_READTEXT, "PTRACE_READTEXT" }, { PTRACE_WRITETEXT, "PTRACE_WRITETEXT" }, { PTRACE_GETFPAREGS, "PTRACE_GETFPAREGS" }, { PTRACE_SETFPAREGS, "PTRACE_SETFPAREGS" }, #ifdef SPARC { PTRACE_GETWINDOW, "PTRACE_GETWINDOW" }, { PTRACE_SETWINDOW, "PTRACE_SETWINDOW" }, #else /* !SPARC */ { PTRACE_22, "PTRACE_PTRACE_22" }, { PTRACE_23, "PTRACE_PTRACE_23" }, #endif /* !SPARC */ #endif /* SUNOS4 */ { PTRACE_SYSCALL, "PTRACE_SYSCALL" }, #ifdef SUNOS4 { PTRACE_DUMPCORE, "PTRACE_DUMPCORE" }, #ifdef I386 { PTRACE_SETWRBKPT, "PTRACE_SETWRBKPT" }, { PTRACE_SETACBKPT, "PTRACE_SETACBKPT" }, { PTRACE_CLRDR7, "PTRACE_CLRDR7" }, #else /* !I386 */ { PTRACE_26, "PTRACE_26" }, { PTRACE_27, "PTRACE_27" }, { PTRACE_28, "PTRACE_28" }, #endif /* !I386 */ { PTRACE_GETUCODE, "PTRACE_GETUCODE" }, #endif /* SUNOS4 */ #else /* FREEBSD */ { PT_TRACE_ME, "PT_TRACE_ME" }, { PT_READ_I, "PT_READ_I" }, { PT_READ_D, "PT_READ_D" }, { PT_WRITE_I, "PT_WRITE_I" }, { PT_WRITE_D, "PT_WRITE_D" }, #ifdef PT_READ_U { PT_READ_U, "PT_READ_U" }, #endif { PT_CONTINUE, "PT_CONTINUE" }, { PT_KILL, "PT_KILL" }, { PT_STEP, "PT_STEP" }, { PT_ATTACH, "PT_ATTACH" }, { PT_DETACH, "PT_DETACH" }, { PT_GETREGS, "PT_GETREGS" }, { PT_SETREGS, "PT_SETREGS" }, { PT_GETFPREGS, "PT_GETFPREGS" }, { PT_SETFPREGS, "PT_SETFPREGS" }, { PT_GETDBREGS, "PT_GETDBREGS" }, { PT_SETDBREGS, "PT_SETDBREGS" }, #endif /* FREEBSD */ { 0, NULL }, }; #ifndef FREEBSD #ifndef SUNOS4_KERNEL_ARCH_KLUDGE static #endif /* !SUNOS4_KERNEL_ARCH_KLUDGE */ struct xlat struct_user_offsets[] = { #ifdef LINUX #if defined(S390) || defined(S390X) { PT_PSWMASK, "psw_mask" }, { PT_PSWADDR, "psw_addr" }, { PT_GPR0, "gpr0" }, { PT_GPR1, "gpr1" }, { PT_GPR2, "gpr2" }, { PT_GPR3, "gpr3" }, { PT_GPR4, "gpr4" }, { PT_GPR5, "gpr5" }, { PT_GPR6, "gpr6" }, { PT_GPR7, "gpr7" }, { PT_GPR8, "gpr8" }, { PT_GPR9, "gpr9" }, { PT_GPR10, "gpr10" }, { PT_GPR11, "gpr11" }, { PT_GPR12, "gpr12" }, { PT_GPR13, "gpr13" }, { PT_GPR14, "gpr14" }, { PT_GPR15, "gpr15" }, { PT_ACR0, "acr0" }, { PT_ACR1, "acr1" }, { PT_ACR2, "acr2" }, { PT_ACR3, "acr3" }, { PT_ACR4, "acr4" }, { PT_ACR5, "acr5" }, { PT_ACR6, "acr6" }, { PT_ACR7, "acr7" }, { PT_ACR8, "acr8" }, { PT_ACR9, "acr9" }, { PT_ACR10, "acr10" }, { PT_ACR11, "acr11" }, { PT_ACR12, "acr12" }, { PT_ACR13, "acr13" }, { PT_ACR14, "acr14" }, { PT_ACR15, "acr15" }, { PT_ORIGGPR2, "orig_gpr2" }, { PT_FPC, "fpc" }, #if defined(S390) { PT_FPR0_HI, "fpr0.hi" }, { PT_FPR0_LO, "fpr0.lo" }, { PT_FPR1_HI, "fpr1.hi" }, { PT_FPR1_LO, "fpr1.lo" }, { PT_FPR2_HI, "fpr2.hi" }, { PT_FPR2_LO, "fpr2.lo" }, { PT_FPR3_HI, "fpr3.hi" }, { PT_FPR3_LO, "fpr3.lo" }, { PT_FPR4_HI, "fpr4.hi" }, { PT_FPR4_LO, "fpr4.lo" }, { PT_FPR5_HI, "fpr5.hi" }, { PT_FPR5_LO, "fpr5.lo" }, { PT_FPR6_HI, "fpr6.hi" }, { PT_FPR6_LO, "fpr6.lo" }, { PT_FPR7_HI, "fpr7.hi" }, { PT_FPR7_LO, "fpr7.lo" }, { PT_FPR8_HI, "fpr8.hi" }, { PT_FPR8_LO, "fpr8.lo" }, { PT_FPR9_HI, "fpr9.hi" }, { PT_FPR9_LO, "fpr9.lo" }, { PT_FPR10_HI, "fpr10.hi" }, { PT_FPR10_LO, "fpr10.lo" }, { PT_FPR11_HI, "fpr11.hi" }, { PT_FPR11_LO, "fpr11.lo" }, { PT_FPR12_HI, "fpr12.hi" }, { PT_FPR12_LO, "fpr12.lo" }, { PT_FPR13_HI, "fpr13.hi" }, { PT_FPR13_LO, "fpr13.lo" }, { PT_FPR14_HI, "fpr14.hi" }, { PT_FPR14_LO, "fpr14.lo" }, { PT_FPR15_HI, "fpr15.hi" }, { PT_FPR15_LO, "fpr15.lo" }, #endif #if defined(S390X) { PT_FPR0, "fpr0" }, { PT_FPR1, "fpr1" }, { PT_FPR2, "fpr2" }, { PT_FPR3, "fpr3" }, { PT_FPR4, "fpr4" }, { PT_FPR5, "fpr5" }, { PT_FPR6, "fpr6" }, { PT_FPR7, "fpr7" }, { PT_FPR8, "fpr8" }, { PT_FPR9, "fpr9" }, { PT_FPR10, "fpr10" }, { PT_FPR11, "fpr11" }, { PT_FPR12, "fpr12" }, { PT_FPR13, "fpr13" }, { PT_FPR14, "fpr14" }, { PT_FPR15, "fpr15" }, #endif { PT_CR_9, "cr9" }, { PT_CR_10, "cr10" }, { PT_CR_11, "cr11" }, { PT_IEEE_IP, "ieee_exception_ip" }, #endif #if defined(SPARC) /* XXX No support for these offsets yet. */ #elif defined(HPPA) /* XXX No support for these offsets yet. */ #elif defined(POWERPC) #ifndef PT_ORIG_R3 #define PT_ORIG_R3 34 #endif #define REGSIZE (sizeof(unsigned long)) { REGSIZE*PT_R0, "r0" }, { REGSIZE*PT_R1, "r1" }, { REGSIZE*PT_R2, "r2" }, { REGSIZE*PT_R3, "r3" }, { REGSIZE*PT_R4, "r4" }, { REGSIZE*PT_R5, "r5" }, { REGSIZE*PT_R6, "r6" }, { REGSIZE*PT_R7, "r7" }, { REGSIZE*PT_R8, "r8" }, { REGSIZE*PT_R9, "r9" }, { REGSIZE*PT_R10, "r10" }, { REGSIZE*PT_R11, "r11" }, { REGSIZE*PT_R12, "r12" }, { REGSIZE*PT_R13, "r13" }, { REGSIZE*PT_R14, "r14" }, { REGSIZE*PT_R15, "r15" }, { REGSIZE*PT_R16, "r16" }, { REGSIZE*PT_R17, "r17" }, { REGSIZE*PT_R18, "r18" }, { REGSIZE*PT_R19, "r19" }, { REGSIZE*PT_R20, "r20" }, { REGSIZE*PT_R21, "r21" }, { REGSIZE*PT_R22, "r22" }, { REGSIZE*PT_R23, "r23" }, { REGSIZE*PT_R24, "r24" }, { REGSIZE*PT_R25, "r25" }, { REGSIZE*PT_R26, "r26" }, { REGSIZE*PT_R27, "r27" }, { REGSIZE*PT_R28, "r28" }, { REGSIZE*PT_R29, "r29" }, { REGSIZE*PT_R30, "r30" }, { REGSIZE*PT_R31, "r31" }, { REGSIZE*PT_NIP, "NIP" }, { REGSIZE*PT_MSR, "MSR" }, { REGSIZE*PT_ORIG_R3, "ORIG_R3" }, { REGSIZE*PT_CTR, "CTR" }, { REGSIZE*PT_LNK, "LNK" }, { REGSIZE*PT_XER, "XER" }, { REGSIZE*PT_CCR, "CCR" }, { REGSIZE*PT_FPR0, "FPR0" }, #undef REGSIZE #else #ifdef ALPHA { 0, "r0" }, { 1, "r1" }, { 2, "r2" }, { 3, "r3" }, { 4, "r4" }, { 5, "r5" }, { 6, "r6" }, { 7, "r7" }, { 8, "r8" }, { 9, "r9" }, { 10, "r10" }, { 11, "r11" }, { 12, "r12" }, { 13, "r13" }, { 14, "r14" }, { 15, "r15" }, { 16, "r16" }, { 17, "r17" }, { 18, "r18" }, { 19, "r19" }, { 20, "r20" }, { 21, "r21" }, { 22, "r22" }, { 23, "r23" }, { 24, "r24" }, { 25, "r25" }, { 26, "r26" }, { 27, "r27" }, { 28, "r28" }, { 29, "gp" }, { 30, "fp" }, { 31, "zero" }, { 32, "fp0" }, { 33, "fp" }, { 34, "fp2" }, { 35, "fp3" }, { 36, "fp4" }, { 37, "fp5" }, { 38, "fp6" }, { 39, "fp7" }, { 40, "fp8" }, { 41, "fp9" }, { 42, "fp10" }, { 43, "fp11" }, { 44, "fp12" }, { 45, "fp13" }, { 46, "fp14" }, { 47, "fp15" }, { 48, "fp16" }, { 49, "fp17" }, { 50, "fp18" }, { 51, "fp19" }, { 52, "fp20" }, { 53, "fp21" }, { 54, "fp22" }, { 55, "fp23" }, { 56, "fp24" }, { 57, "fp25" }, { 58, "fp26" }, { 59, "fp27" }, { 60, "fp28" }, { 61, "fp29" }, { 62, "fp30" }, { 63, "fp31" }, { 64, "pc" }, #else /* !ALPHA */ #ifdef IA64 { PT_F32, "f32" }, { PT_F33, "f33" }, { PT_F34, "f34" }, { PT_F35, "f35" }, { PT_F36, "f36" }, { PT_F37, "f37" }, { PT_F38, "f38" }, { PT_F39, "f39" }, { PT_F40, "f40" }, { PT_F41, "f41" }, { PT_F42, "f42" }, { PT_F43, "f43" }, { PT_F44, "f44" }, { PT_F45, "f45" }, { PT_F46, "f46" }, { PT_F47, "f47" }, { PT_F48, "f48" }, { PT_F49, "f49" }, { PT_F50, "f50" }, { PT_F51, "f51" }, { PT_F52, "f52" }, { PT_F53, "f53" }, { PT_F54, "f54" }, { PT_F55, "f55" }, { PT_F56, "f56" }, { PT_F57, "f57" }, { PT_F58, "f58" }, { PT_F59, "f59" }, { PT_F60, "f60" }, { PT_F61, "f61" }, { PT_F62, "f62" }, { PT_F63, "f63" }, { PT_F64, "f64" }, { PT_F65, "f65" }, { PT_F66, "f66" }, { PT_F67, "f67" }, { PT_F68, "f68" }, { PT_F69, "f69" }, { PT_F70, "f70" }, { PT_F71, "f71" }, { PT_F72, "f72" }, { PT_F73, "f73" }, { PT_F74, "f74" }, { PT_F75, "f75" }, { PT_F76, "f76" }, { PT_F77, "f77" }, { PT_F78, "f78" }, { PT_F79, "f79" }, { PT_F80, "f80" }, { PT_F81, "f81" }, { PT_F82, "f82" }, { PT_F83, "f83" }, { PT_F84, "f84" }, { PT_F85, "f85" }, { PT_F86, "f86" }, { PT_F87, "f87" }, { PT_F88, "f88" }, { PT_F89, "f89" }, { PT_F90, "f90" }, { PT_F91, "f91" }, { PT_F92, "f92" }, { PT_F93, "f93" }, { PT_F94, "f94" }, { PT_F95, "f95" }, { PT_F96, "f96" }, { PT_F97, "f97" }, { PT_F98, "f98" }, { PT_F99, "f99" }, { PT_F100, "f100" }, { PT_F101, "f101" }, { PT_F102, "f102" }, { PT_F103, "f103" }, { PT_F104, "f104" }, { PT_F105, "f105" }, { PT_F106, "f106" }, { PT_F107, "f107" }, { PT_F108, "f108" }, { PT_F109, "f109" }, { PT_F110, "f110" }, { PT_F111, "f111" }, { PT_F112, "f112" }, { PT_F113, "f113" }, { PT_F114, "f114" }, { PT_F115, "f115" }, { PT_F116, "f116" }, { PT_F117, "f117" }, { PT_F118, "f118" }, { PT_F119, "f119" }, { PT_F120, "f120" }, { PT_F121, "f121" }, { PT_F122, "f122" }, { PT_F123, "f123" }, { PT_F124, "f124" }, { PT_F125, "f125" }, { PT_F126, "f126" }, { PT_F127, "f127" }, /* switch stack: */ { PT_F2, "f2" }, { PT_F3, "f3" }, { PT_F4, "f4" }, { PT_F5, "f5" }, { PT_F10, "f10" }, { PT_F11, "f11" }, { PT_F12, "f12" }, { PT_F13, "f13" }, { PT_F14, "f14" }, { PT_F15, "f15" }, { PT_F16, "f16" }, { PT_F17, "f17" }, { PT_F18, "f18" }, { PT_F19, "f19" }, { PT_F20, "f20" }, { PT_F21, "f21" }, { PT_F22, "f22" }, { PT_F23, "f23" }, { PT_F24, "f24" }, { PT_F25, "f25" }, { PT_F26, "f26" }, { PT_F27, "f27" }, { PT_F28, "f28" }, { PT_F29, "f29" }, { PT_F30, "f30" }, { PT_F31, "f31" }, { PT_R4, "r4" }, { PT_R5, "r5" }, { PT_R6, "r6" }, { PT_R7, "r7" }, { PT_B0, "kb0" }, { PT_B1, "b1" }, { PT_B2, "b2" }, { PT_B3, "b3" }, { PT_B4, "b4" }, { PT_B5, "b5" }, { PT_AR_PFS, "kar.pfs" }, { PT_AR_LC, "ar.lc" }, { PT_AR_UNAT, "kar.unat" }, { PT_AR_RNAT, "kar.rnat" }, { PT_AR_BSPSTORE, "kar.bspstore" }, { PT_PR, "k.pr" }, /* pt_regs */ { PT_CR_IPSR, "cr.ipsr" }, { PT_CR_IIP, "cr.iip" }, /*{ PT_CR_IFS, "cr.ifs" },*/ { PT_AR_UNAT, "ar.unat" }, { PT_AR_PFS, "ar.pfs" }, { PT_AR_RSC, "ar.rsc" }, { PT_AR_RNAT, "ar.rnat" }, { PT_AR_BSPSTORE, "ar.bspstore" }, { PT_PR, "pr" }, { PT_B6, "b6" }, { PT_AR_BSP, "ar.bsp" }, { PT_R1, "r1" }, { PT_R2, "r2" }, { PT_R3, "r3" }, { PT_R12, "r12" }, { PT_R13, "r13" }, { PT_R14, "r14" }, { PT_R15, "r15" }, { PT_R8, "r8" }, { PT_R9, "r9" }, { PT_R10, "r10" }, { PT_R11, "r11" }, { PT_R16, "r16" }, { PT_R17, "r17" }, { PT_R18, "r18" }, { PT_R19, "r19" }, { PT_R20, "r20" }, { PT_R21, "r21" }, { PT_R22, "r22" }, { PT_R23, "r23" }, { PT_R24, "r24" }, { PT_R25, "r25" }, { PT_R26, "r26" }, { PT_R27, "r27" }, { PT_R28, "r28" }, { PT_R29, "r29" }, { PT_R30, "r30" }, { PT_R31, "r31" }, { PT_AR_CCV, "ar.ccv" }, { PT_AR_FPSR, "ar.fpsr" }, { PT_B0, "b0" }, { PT_B7, "b7" }, { PT_F6, "f6" }, { PT_F7, "f7" }, { PT_F8, "f8" }, { PT_F9, "f9" }, #else /* !IA64 */ #ifdef I386 { 4*EBX, "4*EBX" }, { 4*ECX, "4*ECX" }, { 4*EDX, "4*EDX" }, { 4*ESI, "4*ESI" }, { 4*EDI, "4*EDI" }, { 4*EBP, "4*EBP" }, { 4*EAX, "4*EAX" }, { 4*DS, "4*DS" }, { 4*ES, "4*ES" }, { 4*FS, "4*FS" }, { 4*GS, "4*GS" }, { 4*ORIG_EAX, "4*ORIG_EAX" }, { 4*EIP, "4*EIP" }, { 4*CS, "4*CS" }, { 4*EFL, "4*EFL" }, { 4*UESP, "4*UESP" }, { 4*SS, "4*SS" }, #else /* !I386 */ #ifdef X86_64 { 8*RDI, "8*RDI" }, { 8*RSI, "8*RSI" }, { 8*RDX, "8*RDX" }, { 8*R10, "8*R10" }, { 8*R8, "8*R8" }, { 8*R9, "8*R9" }, { 8*RBX, "8*RBX" }, { 8*RCX, "8*RCX" }, { 8*RBP, "8*RBP" }, { 8*RAX, "8*RAX" }, #if 0 { 8*DS, "8*DS" }, { 8*ES, "8*ES" }, { 8*FS, "8*FS" }, { 8*GS, "8*GS" }, #endif { 8*ORIG_RAX, "8*ORIG_EAX" }, { 8*RIP, "8*RIP" }, { 8*CS, "8*CS" }, { 8*EFLAGS, "8*EFL" }, { 8*RSP, "8*RSP" }, { 8*SS, "8*SS" }, { 8*R11, "8*R11" }, { 8*R12, "8*R12" }, { 8*R13, "8*R13" }, { 8*R14, "8*R14" }, { 8*R15, "8*R15" }, #endif #ifdef M68K { 4*PT_D1, "4*PT_D1" }, { 4*PT_D2, "4*PT_D2" }, { 4*PT_D3, "4*PT_D3" }, { 4*PT_D4, "4*PT_D4" }, { 4*PT_D5, "4*PT_D5" }, { 4*PT_D6, "4*PT_D6" }, { 4*PT_D7, "4*PT_D7" }, { 4*PT_A0, "4*PT_A0" }, { 4*PT_A1, "4*PT_A1" }, { 4*PT_A2, "4*PT_A2" }, { 4*PT_A3, "4*PT_A3" }, { 4*PT_A4, "4*PT_A4" }, { 4*PT_A5, "4*PT_A5" }, { 4*PT_A6, "4*PT_A6" }, { 4*PT_D0, "4*PT_D0" }, { 4*PT_USP, "4*PT_USP" }, { 4*PT_ORIG_D0, "4*PT_ORIG_D0" }, { 4*PT_SR, "4*PT_SR" }, { 4*PT_PC, "4*PT_PC" }, #endif /* M68K */ #endif /* !I386 */ #ifdef SH { 4*REG_REG0, "4*REG_REG0" }, { 4*(REG_REG0+1), "4*REG_REG1" }, { 4*(REG_REG0+2), "4*REG_REG2" }, { 4*(REG_REG0+3), "4*REG_REG3" }, { 4*(REG_REG0+4), "4*REG_REG4" }, { 4*(REG_REG0+5), "4*REG_REG5" }, { 4*(REG_REG0+6), "4*REG_REG6" }, { 4*(REG_REG0+7), "4*REG_REG7" }, { 4*(REG_REG0+8), "4*REG_REG8" }, { 4*(REG_REG0+9), "4*REG_REG9" }, { 4*(REG_REG0+10), "4*REG_REG10" }, { 4*(REG_REG0+11), "4*REG_REG11" }, { 4*(REG_REG0+12), "4*REG_REG12" }, { 4*(REG_REG0+13), "4*REG_REG13" }, { 4*(REG_REG0+14), "4*REG_REG14" }, { 4*REG_REG15, "4*REG_REG15" }, { 4*REG_PC, "4*REG_PC" }, { 4*REG_PR, "4*REG_PR" }, { 4*REG_SR, "4*REG_SR" }, { 4*REG_GBR, "4*REG_GBR" }, { 4*REG_MACH, "4*REG_MACH" }, { 4*REG_MACL, "4*REG_MACL" }, { 4*REG_SYSCALL, "4*REG_SYSCALL" }, { 4*REG_FPUL, "4*REG_FPUL" }, { 4*REG_FPREG0, "4*REG_FPREG0" }, { 4*(REG_FPREG0+1), "4*REG_FPREG1" }, { 4*(REG_FPREG0+2), "4*REG_FPREG2" }, { 4*(REG_FPREG0+3), "4*REG_FPREG3" }, { 4*(REG_FPREG0+4), "4*REG_FPREG4" }, { 4*(REG_FPREG0+5), "4*REG_FPREG5" }, { 4*(REG_FPREG0+6), "4*REG_FPREG6" }, { 4*(REG_FPREG0+7), "4*REG_FPREG7" }, { 4*(REG_FPREG0+8), "4*REG_FPREG8" }, { 4*(REG_FPREG0+9), "4*REG_FPREG9" }, { 4*(REG_FPREG0+10), "4*REG_FPREG10" }, { 4*(REG_FPREG0+11), "4*REG_FPREG11" }, { 4*(REG_FPREG0+12), "4*REG_FPREG12" }, { 4*(REG_FPREG0+13), "4*REG_FPREG13" }, { 4*(REG_FPREG0+14), "4*REG_FPREG14" }, { 4*REG_FPREG15, "4*REG_FPREG15" }, #ifdef REG_XDREG0 { 4*REG_XDREG0, "4*REG_XDREG0" }, { 4*(REG_XDREG0+2), "4*REG_XDREG2" }, { 4*(REG_XDREG0+4), "4*REG_XDREG4" }, { 4*(REG_XDREG0+6), "4*REG_XDREG6" }, { 4*(REG_XDREG0+8), "4*REG_XDREG8" }, { 4*(REG_XDREG0+10), "4*REG_XDREG10" }, { 4*(REG_XDREG0+12), "4*REG_XDREG12" }, { 4*REG_XDREG14, "4*REG_XDREG14" }, #endif { 4*REG_FPSCR, "4*REG_FPSCR" }, #endif /* SH */ #ifdef SH64 { 0, "PC(L)" }, { 4, "PC(U)" }, { 8, "SR(L)" }, { 12, "SR(U)" }, { 16, "syscall no.(L)" }, { 20, "syscall_no.(U)" }, { 24, "R0(L)" }, { 28, "R0(U)" }, { 32, "R1(L)" }, { 36, "R1(U)" }, { 40, "R2(L)" }, { 44, "R2(U)" }, { 48, "R3(L)" }, { 52, "R3(U)" }, { 56, "R4(L)" }, { 60, "R4(U)" }, { 64, "R5(L)" }, { 68, "R5(U)" }, { 72, "R6(L)" }, { 76, "R6(U)" }, { 80, "R7(L)" }, { 84, "R7(U)" }, { 88, "R8(L)" }, { 92, "R8(U)" }, { 96, "R9(L)" }, { 100, "R9(U)" }, { 104, "R10(L)" }, { 108, "R10(U)" }, { 112, "R11(L)" }, { 116, "R11(U)" }, { 120, "R12(L)" }, { 124, "R12(U)" }, { 128, "R13(L)" }, { 132, "R13(U)" }, { 136, "R14(L)" }, { 140, "R14(U)" }, { 144, "R15(L)" }, { 148, "R15(U)" }, { 152, "R16(L)" }, { 156, "R16(U)" }, { 160, "R17(L)" }, { 164, "R17(U)" }, { 168, "R18(L)" }, { 172, "R18(U)" }, { 176, "R19(L)" }, { 180, "R19(U)" }, { 184, "R20(L)" }, { 188, "R20(U)" }, { 192, "R21(L)" }, { 196, "R21(U)" }, { 200, "R22(L)" }, { 204, "R22(U)" }, { 208, "R23(L)" }, { 212, "R23(U)" }, { 216, "R24(L)" }, { 220, "R24(U)" }, { 224, "R25(L)" }, { 228, "R25(U)" }, { 232, "R26(L)" }, { 236, "R26(U)" }, { 240, "R27(L)" }, { 244, "R27(U)" }, { 248, "R28(L)" }, { 252, "R28(U)" }, { 256, "R29(L)" }, { 260, "R29(U)" }, { 264, "R30(L)" }, { 268, "R30(U)" }, { 272, "R31(L)" }, { 276, "R31(U)" }, { 280, "R32(L)" }, { 284, "R32(U)" }, { 288, "R33(L)" }, { 292, "R33(U)" }, { 296, "R34(L)" }, { 300, "R34(U)" }, { 304, "R35(L)" }, { 308, "R35(U)" }, { 312, "R36(L)" }, { 316, "R36(U)" }, { 320, "R37(L)" }, { 324, "R37(U)" }, { 328, "R38(L)" }, { 332, "R38(U)" }, { 336, "R39(L)" }, { 340, "R39(U)" }, { 344, "R40(L)" }, { 348, "R40(U)" }, { 352, "R41(L)" }, { 356, "R41(U)" }, { 360, "R42(L)" }, { 364, "R42(U)" }, { 368, "R43(L)" }, { 372, "R43(U)" }, { 376, "R44(L)" }, { 380, "R44(U)" }, { 384, "R45(L)" }, { 388, "R45(U)" }, { 392, "R46(L)" }, { 396, "R46(U)" }, { 400, "R47(L)" }, { 404, "R47(U)" }, { 408, "R48(L)" }, { 412, "R48(U)" }, { 416, "R49(L)" }, { 420, "R49(U)" }, { 424, "R50(L)" }, { 428, "R50(U)" }, { 432, "R51(L)" }, { 436, "R51(U)" }, { 440, "R52(L)" }, { 444, "R52(U)" }, { 448, "R53(L)" }, { 452, "R53(U)" }, { 456, "R54(L)" }, { 460, "R54(U)" }, { 464, "R55(L)" }, { 468, "R55(U)" }, { 472, "R56(L)" }, { 476, "R56(U)" }, { 480, "R57(L)" }, { 484, "R57(U)" }, { 488, "R58(L)" }, { 492, "R58(U)" }, { 496, "R59(L)" }, { 500, "R59(U)" }, { 504, "R60(L)" }, { 508, "R60(U)" }, { 512, "R61(L)" }, { 516, "R61(U)" }, { 520, "R62(L)" }, { 524, "R62(U)" }, { 528, "TR0(L)" }, { 532, "TR0(U)" }, { 536, "TR1(L)" }, { 540, "TR1(U)" }, { 544, "TR2(L)" }, { 548, "TR2(U)" }, { 552, "TR3(L)" }, { 556, "TR3(U)" }, { 560, "TR4(L)" }, { 564, "TR4(U)" }, { 568, "TR5(L)" }, { 572, "TR5(U)" }, { 576, "TR6(L)" }, { 580, "TR6(U)" }, { 584, "TR7(L)" }, { 588, "TR7(U)" }, /* This entry is in case pt_regs contains dregs (depends on the kernel build options). */ { uoff(regs), "offsetof(struct user, regs)" }, { uoff(fpu), "offsetof(struct user, fpu)" }, #endif #ifdef ARM { uoff(regs.ARM_r0), "r0" }, { uoff(regs.ARM_r1), "r1" }, { uoff(regs.ARM_r2), "r2" }, { uoff(regs.ARM_r3), "r3" }, { uoff(regs.ARM_r4), "r4" }, { uoff(regs.ARM_r5), "r5" }, { uoff(regs.ARM_r6), "r6" }, { uoff(regs.ARM_r7), "r7" }, { uoff(regs.ARM_r8), "r8" }, { uoff(regs.ARM_r9), "r9" }, { uoff(regs.ARM_r10), "r10" }, { uoff(regs.ARM_fp), "fp" }, { uoff(regs.ARM_ip), "ip" }, { uoff(regs.ARM_sp), "sp" }, { uoff(regs.ARM_lr), "lr" }, { uoff(regs.ARM_pc), "pc" }, { uoff(regs.ARM_cpsr), "cpsr" }, #endif #if !defined(S390) && !defined(S390X) && !defined(MIPS) { uoff(u_fpvalid), "offsetof(struct user, u_fpvalid)" }, #endif #if defined(I386) || defined(X86_64) { uoff(i387), "offsetof(struct user, i387)" }, #else /* !I386 */ #ifdef M68K { uoff(m68kfp), "offsetof(struct user, m68kfp)" }, #endif /* M68K */ #endif /* !I386 */ { uoff(u_tsize), "offsetof(struct user, u_tsize)" }, { uoff(u_dsize), "offsetof(struct user, u_dsize)" }, { uoff(u_ssize), "offsetof(struct user, u_ssize)" }, { uoff(start_code), "offsetof(struct user, start_code)" }, #ifdef SH64 { uoff(start_data), "offsetof(struct user, start_data)" }, #endif { uoff(start_stack), "offsetof(struct user, start_stack)" }, { uoff(signal), "offsetof(struct user, signal)" }, #if !defined(S390) && !defined(S390X) && !defined(MIPS) && !defined(SH) && !defined(SH64) { uoff(reserved), "offsetof(struct user, reserved)" }, #endif { uoff(u_ar0), "offsetof(struct user, u_ar0)" }, #if !defined(ARM) && !defined(MIPS) && !defined(S390) && !defined(S390X) { uoff(u_fpstate), "offsetof(struct user, u_fpstate)" }, #endif { uoff(magic), "offsetof(struct user, magic)" }, { uoff(u_comm), "offsetof(struct user, u_comm)" }, #if defined(I386) || defined(X86_64) { uoff(u_debugreg), "offsetof(struct user, u_debugreg)" }, #endif /* I386 */ #endif /* !IA64 */ #endif /* !ALPHA */ #endif /* !POWERPC/!SPARC */ #endif /* LINUX */ #ifdef SUNOS4 { uoff(u_pcb), "offsetof(struct user, u_pcb)" }, { uoff(u_procp), "offsetof(struct user, u_procp)" }, { uoff(u_ar0), "offsetof(struct user, u_ar0)" }, { uoff(u_comm[0]), "offsetof(struct user, u_comm[0])" }, { uoff(u_arg[0]), "offsetof(struct user, u_arg[0])" }, { uoff(u_ap), "offsetof(struct user, u_ap)" }, { uoff(u_qsave), "offsetof(struct user, u_qsave)" }, { uoff(u_rval1), "offsetof(struct user, u_rval1)" }, { uoff(u_rval2), "offsetof(struct user, u_rval2)" }, { uoff(u_error), "offsetof(struct user, u_error)" }, { uoff(u_eosys), "offsetof(struct user, u_eosys)" }, { uoff(u_ssave), "offsetof(struct user, u_ssave)" }, { uoff(u_signal[0]), "offsetof(struct user, u_signal)" }, { uoff(u_sigmask[0]), "offsetof(struct user, u_sigmask)" }, { uoff(u_sigonstack), "offsetof(struct user, u_sigonstack)" }, { uoff(u_sigintr), "offsetof(struct user, u_sigintr)" }, { uoff(u_sigreset), "offsetof(struct user, u_sigreset)" }, { uoff(u_oldmask), "offsetof(struct user, u_oldmask)" }, { uoff(u_code), "offsetof(struct user, u_code)" }, { uoff(u_addr), "offsetof(struct user, u_addr)" }, { uoff(u_sigstack), "offsetof(struct user, u_sigstack)" }, { uoff(u_ofile), "offsetof(struct user, u_ofile)" }, { uoff(u_pofile), "offsetof(struct user, u_pofile)" }, { uoff(u_ofile_arr[0]), "offsetof(struct user, u_ofile_arr[0])" }, { uoff(u_pofile_arr[0]),"offsetof(struct user, u_pofile_arr[0])"}, { uoff(u_lastfile), "offsetof(struct user, u_lastfile)" }, { uoff(u_cwd), "offsetof(struct user, u_cwd)" }, { uoff(u_cdir), "offsetof(struct user, u_cdir)" }, { uoff(u_rdir), "offsetof(struct user, u_rdir)" }, { uoff(u_cmask), "offsetof(struct user, u_cmask)" }, { uoff(u_ru), "offsetof(struct user, u_ru)" }, { uoff(u_cru), "offsetof(struct user, u_cru)" }, { uoff(u_timer[0]), "offsetof(struct user, u_timer[0])" }, { uoff(u_XXX[0]), "offsetof(struct user, u_XXX[0])" }, { uoff(u_ioch), "offsetof(struct user, u_ioch)" }, { uoff(u_start), "offsetof(struct user, u_start)" }, { uoff(u_acflag), "offsetof(struct user, u_acflag)" }, { uoff(u_prof.pr_base), "offsetof(struct user, u_prof.pr_base)" }, { uoff(u_prof.pr_size), "offsetof(struct user, u_prof.pr_size)" }, { uoff(u_prof.pr_off), "offsetof(struct user, u_prof.pr_off)" }, { uoff(u_prof.pr_scale),"offsetof(struct user, u_prof.pr_scale)"}, { uoff(u_rlimit[0]), "offsetof(struct user, u_rlimit)" }, { uoff(u_exdata.Ux_A), "offsetof(struct user, u_exdata.Ux_A)" }, { uoff(u_exdata.ux_shell[0]),"offsetof(struct user, u_exdata.ux_shell[0])"}, { uoff(u_lofault), "offsetof(struct user, u_lofault)" }, #endif /* SUNOS4 */ #ifndef HPPA { sizeof(struct user), "sizeof(struct user)" }, #endif { 0, NULL }, }; #endif int sys_ptrace(tcp) struct tcb *tcp; { struct xlat *x; long addr; if (entering(tcp)) { printxval(ptrace_cmds, tcp->u_arg[0], #ifndef FREEBSD "PTRACE_???" #else "PT_???" #endif ); tprintf(", %lu, ", tcp->u_arg[1]); addr = tcp->u_arg[2]; #ifndef FREEBSD if (tcp->u_arg[0] == PTRACE_PEEKUSER || tcp->u_arg[0] == PTRACE_POKEUSER) { for (x = struct_user_offsets; x->str; x++) { if (x->val >= addr) break; } if (!x->str) tprintf("%#lx, ", addr); else if (x->val > addr && x != struct_user_offsets) { x--; tprintf("%s + %ld, ", x->str, addr - x->val); } else tprintf("%s, ", x->str); } else #endif tprintf("%#lx, ", tcp->u_arg[2]); #ifdef LINUX switch (tcp->u_arg[0]) { case PTRACE_PEEKDATA: case PTRACE_PEEKTEXT: case PTRACE_PEEKUSER: break; case PTRACE_CONT: case PTRACE_SINGLESTEP: case PTRACE_SYSCALL: case PTRACE_DETACH: printsignal(tcp->u_arg[3]); break; default: tprintf("%#lx", tcp->u_arg[3]); break; } } else { switch (tcp->u_arg[0]) { case PTRACE_PEEKDATA: case PTRACE_PEEKTEXT: case PTRACE_PEEKUSER: printnum(tcp, tcp->u_arg[3], "%#lx"); break; } } #endif /* LINUX */ #ifdef SUNOS4 if (tcp->u_arg[0] == PTRACE_WRITEDATA || tcp->u_arg[0] == PTRACE_WRITETEXT) { tprintf("%lu, ", tcp->u_arg[3]); printstr(tcp, tcp->u_arg[4], tcp->u_arg[3]); } else if (tcp->u_arg[0] != PTRACE_READDATA && tcp->u_arg[0] != PTRACE_READTEXT) { tprintf("%#lx", tcp->u_arg[3]); } } else { if (tcp->u_arg[0] == PTRACE_READDATA || tcp->u_arg[0] == PTRACE_READTEXT) { tprintf("%lu, ", tcp->u_arg[3]); printstr(tcp, tcp->u_arg[4], tcp->u_arg[3]); } } #endif /* SUNOS4 */ #ifdef FREEBSD tprintf("%lu", tcp->u_arg[3]); } #endif /* FREEBSD */ return 0; } #endif /* !SVR4 */ #ifdef LINUX static struct xlat futexops[] = { { FUTEX_WAIT, "FUTEX_WAIT" }, { FUTEX_WAKE, "FUTEX_WAKE" }, { FUTEX_FD, "FUTEX_FD" }, { FUTEX_REQUEUE,"FUTEX_REQUEUE" }, { 0, NULL } }; int sys_futex(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%p, ", (void *) tcp->u_arg[0]); printxval(futexops, tcp->u_arg[1], "FUTEX_???"); tprintf(", %ld", tcp->u_arg[2]); if (tcp->u_arg[1] == FUTEX_WAIT) { tprintf(", "); printtv(tcp, tcp->u_arg[3]); } else if (tcp->u_arg[1] == FUTEX_REQUEUE) tprintf(", %ld, %p", tcp->u_arg[3], (void *) tcp->u_arg[4]); } return 0; } static void print_affinitylist(list, len) unsigned long *list; unsigned int len; { int first = 1; tprintf(" {"); while (len >= sizeof (unsigned long)) { tprintf("%s %lx", first ? "" : ",", *list++); first = 0; len -= sizeof (unsigned long); } tprintf(" }"); } int sys_sched_setaffinity(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%ld, %lu, ", tcp->u_arg[0], tcp->u_arg[1]); print_affinitylist((unsigned long *) tcp->u_arg[2], tcp->u_arg[1]); } return 0; } int sys_sched_getaffinity(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%ld, %lu, ", tcp->u_arg[0], tcp->u_arg[1]); } else { print_affinitylist((unsigned long *) tcp->u_arg[2], tcp->u_rval); } return 0; } #endif