* <barrow_dj@mail.yahoo.com,djbarrow@de.ibm.com>
* Copyright (c) 2000 PocketPenguins Inc. Linux for Hitachi SuperH
* port by Greg Banks <gbanks@pocketpenguins.com>
+ * Copyright (c) 1999-2018 The strace developers.
*
* All rights reserved.
*
# include <elf.h>
#endif
-#include "xlat/nt_descriptor_types.h"
-
-#include "regs.h"
#include "ptrace.h"
+#include "regs.h"
+
+#include "xlat/nt_descriptor_types.h"
#include "xlat/ptrace_cmds.h"
#include "xlat/ptrace_setoptions_flags.h"
+#include "xlat/ptrace_peeksiginfo_flags.h"
#define uoff(member) offsetof(struct user, member)
#define XLAT_UOFF(member) { uoff(member), "offsetof(struct user, " #member ")" }
};
static void
-print_user_offset_addr(const unsigned long addr)
+print_user_offset_addr(const kernel_ulong_t addr)
{
const struct xlat *x;
printaddr(addr);
} else {
--x;
- tprintf("%s + %lu",
- x->str, addr - (unsigned long) x->val);
+ tprintf("%s + %" PRI_klu,
+ x->str, addr - (kernel_ulong_t) x->val);
}
} else {
tprints(x->str);
SYS_FUNC(ptrace)
{
- const unsigned long request = tcp->u_arg[0];
+ const kernel_ulong_t request = tcp->u_arg[0];
const int pid = tcp->u_arg[1];
- const unsigned long addr = tcp->u_arg[2];
- const unsigned long data = tcp->u_arg[3];
+ const kernel_ulong_t addr = tcp->u_arg[2];
+ const kernel_ulong_t data = tcp->u_arg[3];
if (entering(tcp)) {
/* request */
tprints(", ");
printxval(nt_descriptor_types, addr, "NT_???");
break;
+ case PTRACE_GETSIGMASK:
+ case PTRACE_SETSIGMASK:
+ case PTRACE_SECCOMP_GET_FILTER:
+ case PTRACE_SECCOMP_GET_METADATA:
+ tprintf(", %" PRI_klu, addr);
+ break;
+ case PTRACE_PEEKSIGINFO: {
+ tprints(", ");
+ struct {
+ uint64_t off;
+ uint32_t flags;
+ uint32_t nr;
+ } psi;
+ if (umove_or_printaddr(tcp, addr, &psi)) {
+ tprints(", ");
+ printaddr(data);
+ return RVAL_DECODED;
+ }
+ tprintf("{off=%" PRIu64 ", flags=", psi.off);
+ printflags(ptrace_peeksiginfo_flags, psi.flags,
+ "PTRACE_PEEKSIGINFO_???");
+ tprintf(", nr=%u}", psi.nr);
+ break;
+ }
default:
tprints(", ");
printaddr(addr);
}
- tprints(", ");
-
- /* data */
+# if defined IA64 || defined SPARC || defined SPARC64
switch (request) {
-#ifndef IA64
+# ifdef IA64
case PTRACE_PEEKDATA:
case PTRACE_PEEKTEXT:
case PTRACE_PEEKUSER:
- break;
-#endif
+ /* data is ignored */
+ return RVAL_DECODED | RVAL_HEX;
+# endif /* IA64 */
+# if defined SPARC || defined SPARC64
+ case PTRACE_GETREGS:
+ case PTRACE_SETREGS:
+ case PTRACE_GETFPREGS:
+ case PTRACE_SETFPREGS:
+ /* data is ignored */
+ return RVAL_DECODED;
+# endif /* SPARC || SPARC64 */
+ }
+# endif /* IA64 || SPARC || SPARC64 */
+
+ tprints(", ");
+
+ /* data */
+ switch (request) {
case PTRACE_CONT:
- case PTRACE_SINGLESTEP:
- case PTRACE_SYSCALL:
case PTRACE_DETACH:
+ case PTRACE_SYSCALL:
+#ifdef PTRACE_SINGLESTEP
+ case PTRACE_SINGLESTEP:
+#endif
+#ifdef PTRACE_SINGLEBLOCK
+ case PTRACE_SINGLEBLOCK:
+#endif
+#ifdef PTRACE_SYSEMU
+ case PTRACE_SYSEMU:
+#endif
+#ifdef PTRACE_SYSEMU_SINGLESTEP
+ case PTRACE_SYSEMU_SINGLESTEP:
+#endif
printsignal(data);
break;
+ case PTRACE_SEIZE:
case PTRACE_SETOPTIONS:
- printflags(ptrace_setoptions_flags, data, "PTRACE_O_???");
+#ifdef PTRACE_OLDSETOPTIONS
+ case PTRACE_OLDSETOPTIONS:
+#endif
+ printflags64(ptrace_setoptions_flags, data, "PTRACE_O_???");
break;
case PTRACE_SETSIGINFO:
printsiginfo_at(tcp, data);
break;
+ case PTRACE_SETSIGMASK:
+ print_sigset_addr_len(tcp, data, addr);
+ break;
case PTRACE_SETREGSET:
- tprint_iov(tcp, /*len:*/ 1, data, /*as string:*/ 0);
+ tprint_iov(tcp, /*len:*/ 1, data, IOV_DECODE_ADDR);
break;
- case PTRACE_GETSIGINFO:
- case PTRACE_GETREGSET:
- /* Don't print anything, do it at syscall return. */
+ case PTRACE_SECCOMP_GET_METADATA:
+ if (verbose(tcp)) {
+ uint64_t filter_off;
+ if (addr < sizeof(filter_off) ||
+ umove(tcp, data, &filter_off)) {
+ printaddr(data);
+ return RVAL_DECODED;
+ }
+
+ tprintf("{filter_off=%" PRIu64, filter_off);
+ return 0;
+ }
+
+ printaddr(data);
break;
+#ifndef IA64
+ case PTRACE_PEEKDATA:
+ case PTRACE_PEEKTEXT:
+ case PTRACE_PEEKUSER:
+#endif
+ case PTRACE_GETEVENTMSG:
+ case PTRACE_GETREGSET:
+ case PTRACE_GETSIGINFO:
+ case PTRACE_GETSIGMASK:
+ case PTRACE_PEEKSIGINFO:
+ case PTRACE_SECCOMP_GET_FILTER:
+ if (verbose(tcp)) {
+ /* print data on exiting syscall */
+ return 0;
+ }
+ ATTRIBUTE_FALLTHROUGH;
default:
printaddr(data);
break;
}
+
+ return RVAL_DECODED;
} else {
switch (request) {
+#ifndef IA64
case PTRACE_PEEKDATA:
case PTRACE_PEEKTEXT:
case PTRACE_PEEKUSER:
-#ifdef IA64
- return RVAL_HEX;
-#else
printnum_ptr(tcp, data);
break;
#endif
+ case PTRACE_GETEVENTMSG:
+ printnum_ulong(tcp, data);
+ break;
+ case PTRACE_GETREGSET:
+ tprint_iov(tcp, /*len:*/ 1, data, IOV_DECODE_ADDR);
+ break;
case PTRACE_GETSIGINFO:
printsiginfo_at(tcp, data);
break;
- case PTRACE_GETREGSET:
- tprint_iov(tcp, /*len:*/ 1, data, /*as string:*/ 0);
+ case PTRACE_GETSIGMASK:
+ print_sigset_addr_len(tcp, data, addr);
+ break;
+ case PTRACE_PEEKSIGINFO:
+ print_siginfo_array(tcp, data, tcp->u_rval);
break;
+ case PTRACE_SECCOMP_GET_FILTER:
+ print_seccomp_fprog(tcp, data, tcp->u_rval);
+ break;
+ case PTRACE_SECCOMP_GET_METADATA: {
+ const size_t offset = sizeof(uint64_t);
+ uint64_t flags = 0;
+ size_t ret_size = MIN((kernel_ulong_t) tcp->u_rval,
+ offset + sizeof(flags));
+
+ if (syserror(tcp) || ret_size <= offset) {
+ tprints("}");
+ return 0;
+ }
+
+ if (umoven(tcp, data + offset, ret_size - offset,
+ &flags)) {
+ tprints(", ...}");
+ return 0;
+ }
+
+ tprints(", flags=");
+ printflags64(seccomp_filter_flags, flags,
+ "SECCOMP_FILTER_FLAG_???");
+
+ if ((kernel_ulong_t) tcp->u_rval > ret_size)
+ tprints(", ...");
+
+ tprints("}");
+ }
}
}
return 0;