]> granicus.if.org Git - strace/blobdiff - mem.c
"Modernize" all old-style function parameter declarations
[strace] / mem.c
diff --git a/mem.c b/mem.c
index 7a394123c82341a403b0c6a5d7f324386a902c8b..4adb570c7993d23dbb7f9ffe1f6c35d4736b4ffd 100644 (file)
--- a/mem.c
+++ b/mem.c
@@ -2,6 +2,9 @@
  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
+ * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
+ * Copyright (c) 2000 PocketPenguins Inc.  Linux for Hitachi SuperH
+ *                    port by Greg Banks <gbanks@pocketpenguins.com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
 #include "defs.h"
 
 #ifdef LINUX
-#include <linux/mman.h>
+#include <asm/mman.h>
 #endif
 #include <sys/mman.h>
 
-#if defined(LINUX) && defined(__i386__)
+#if defined(LINUX) && defined(I386)
 #include <asm/ldt.h>
+# ifdef HAVE_STRUCT_USER_DESC
+#  define modify_ldt_ldt_s user_desc
+# endif
+#endif
+#if defined(LINUX) && defined(SH64)
+#include <asm/page.h>      /* for PAGE_SHIFT */
+#endif
+
+#ifdef HAVE_LONG_LONG_OFF_T
+/*
+ * Ugly hacks for systems that have a long long off_t
+ */
+#define sys_mmap64     sys_mmap
 #endif
 
 int
-sys_brk(tcp)
-struct tcb *tcp;
+sys_brk(struct tcb *tcp)
 {
        if (entering(tcp)) {
                tprintf("%#lx", tcp->u_arg[0]);
@@ -54,37 +69,86 @@ struct tcb *tcp;
 #endif
 }
 
+#if defined(FREEBSD) || defined(SUNOS4)
 int
-sys_sbrk(tcp)
-struct tcb *tcp;
+sys_sbrk(struct tcb *tcp)
 {
        if (entering(tcp)) {
                tprintf("%lu", tcp->u_arg[0]);
        }
        return RVAL_HEX;
 }
+#endif /* FREEBSD || SUNOS4 */
 
-static struct xlat mmap_prot[] = {
+static const struct xlat mmap_prot[] = {
        { PROT_NONE,    "PROT_NONE",    },
        { PROT_READ,    "PROT_READ"     },
        { PROT_WRITE,   "PROT_WRITE"    },
        { PROT_EXEC,    "PROT_EXEC"     },
+#ifdef PROT_SEM
+       { PROT_SEM,     "PROT_SEM"      },
+#endif
+#ifdef PROT_GROWSDOWN
+       { PROT_GROWSDOWN,"PROT_GROWSDOWN"},
+#endif
+#ifdef PROT_GROWSUP
+       { PROT_GROWSUP, "PROT_GROWSUP"  },
+#endif
+#ifdef PROT_SAO
+       { PROT_SAO,     "PROT_SAO"      },
+#endif
        { 0,            NULL            },
 };
 
-static struct xlat mmap_flags[] = {
+static const struct xlat mmap_flags[] = {
        { MAP_SHARED,   "MAP_SHARED"    },
        { MAP_PRIVATE,  "MAP_PRIVATE"   },
        { MAP_FIXED,    "MAP_FIXED"     },
 #ifdef MAP_ANONYMOUS
        { MAP_ANONYMOUS,"MAP_ANONYMOUS" },
 #endif
+#ifdef MAP_32BIT
+       { MAP_32BIT,    "MAP_32BIT"     },
+#endif
 #ifdef MAP_RENAME
        { MAP_RENAME,   "MAP_RENAME"    },
 #endif
 #ifdef MAP_NORESERVE
        { MAP_NORESERVE,"MAP_NORESERVE" },
 #endif
+#ifdef MAP_POPULATE
+       { MAP_POPULATE, "MAP_POPULATE" },
+#endif
+#ifdef MAP_NONBLOCK
+       { MAP_NONBLOCK, "MAP_NONBLOCK" },
+#endif
+       /*
+        * XXX - this was introduced in SunOS 4.x to distinguish between
+        * the old pre-4.x "mmap()", which:
+        *
+        *      only let you map devices with an "mmap" routine (e.g.,
+        *      frame buffers) in;
+        *
+        *      required you to specify the mapping address;
+        *
+        *      returned 0 on success and -1 on failure;
+        *
+        * memory and which, and the 4.x "mmap()" which:
+        *
+        *      can map plain files;
+        *
+        *      can be asked to pick where to map the file;
+        *
+        *      returns the address where it mapped the file on success
+        *      and -1 on failure.
+        *
+        * It's not actually used in source code that calls "mmap()"; the
+        * "mmap()" routine adds it for you.
+        *
+        * It'd be nice to come up with some way of eliminating it from
+        * the flags, e.g. reporting calls *without* it as "old_mmap()"
+        * and calls with it as "mmap()".
+        */
 #ifdef _MAP_NEW
        { _MAP_NEW,     "_MAP_NEW"      },
 #endif
@@ -97,57 +161,227 @@ static struct xlat mmap_flags[] = {
 #ifdef MAP_EXECUTABLE
        { MAP_EXECUTABLE,"MAP_EXECUTABLE"},
 #endif
+#ifdef MAP_INHERIT
+       { MAP_INHERIT,"MAP_INHERIT"     },
+#endif
 #ifdef MAP_FILE
        { MAP_FILE,"MAP_FILE"},
 #endif
 #ifdef MAP_LOCKED
        { MAP_LOCKED,"MAP_LOCKED"},
+#endif
+       /* FreeBSD ones */
+#ifdef MAP_ANON
+       { MAP_ANON,             "MAP_ANON"      },
+#endif
+#ifdef MAP_HASSEMAPHORE
+       { MAP_HASSEMAPHORE,     "MAP_HASSEMAPHORE"      },
+#endif
+#ifdef MAP_STACK
+       { MAP_STACK,            "MAP_STACK"     },
+#endif
+#ifdef MAP_NOSYNC
+       { MAP_NOSYNC,           "MAP_NOSYNC"    },
+#endif
+#ifdef MAP_NOCORE
+       { MAP_NOCORE,           "MAP_NOCORE"    },
+#endif
+#ifdef TILE
+       { MAP_CACHE_NO_LOCAL, "MAP_CACHE_NO_LOCAL" },
+       { MAP_CACHE_NO_L2, "MAP_CACHE_NO_L2" },
+       { MAP_CACHE_NO_L1, "MAP_CACHE_NO_L1" },
 #endif
        { 0,            NULL            },
 };
 
+#ifdef TILE
+static
 int
-sys_mmap(tcp)
-struct tcb *tcp;
+addtileflags(flags)
+long flags;
+{
+       long home = flags & _MAP_CACHE_MKHOME(_MAP_CACHE_HOME_MASK);
+       flags &= ~_MAP_CACHE_MKHOME(_MAP_CACHE_HOME_MASK);
+
+       if (flags & _MAP_CACHE_INCOHERENT) {
+               flags &= ~_MAP_CACHE_INCOHERENT;
+               if (home == MAP_CACHE_HOME_NONE) {
+                       tprintf("|MAP_CACHE_INCOHERENT");
+                       return flags;
+               }
+               tprintf("|_MAP_CACHE_INCOHERENT");
+       }
+
+       switch (home) {
+       case 0: break;
+       case MAP_CACHE_HOME_HERE: tprintf("|MAP_CACHE_HOME_HERE"); break;
+       case MAP_CACHE_HOME_NONE: tprintf("|MAP_CACHE_HOME_NONE"); break;
+       case MAP_CACHE_HOME_SINGLE: tprintf("|MAP_CACHE_HOME_SINGLE"); break;
+       case MAP_CACHE_HOME_TASK: tprintf("|MAP_CACHE_HOME_TASK"); break;
+       case MAP_CACHE_HOME_HASH: tprintf("|MAP_CACHE_HOME_HASH"); break;
+       default:
+               tprintf("|MAP_CACHE_HOME(%d)",
+                       (home >> _MAP_CACHE_HOME_SHIFT) );
+               break;
+       }
+
+       return flags;
+}
+#endif
+
+#if !HAVE_LONG_LONG_OFF_T
+static int
+print_mmap(struct tcb *tcp, long *u_arg, long long offset)
 {
+       if (entering(tcp)) {
+               /* addr */
+               if (!u_arg[0])
+                       tprintf("NULL, ");
+               else
+                       tprintf("%#lx, ", u_arg[0]);
+               /* len */
+               tprintf("%lu, ", u_arg[1]);
+               /* prot */
+               printflags(mmap_prot, u_arg[2], "PROT_???");
+               tprintf(", ");
+               /* flags */
+#ifdef MAP_TYPE
+               printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
+#ifdef TILE
+               addflags(mmap_flags, addtileflags(u_arg[3] & ~MAP_TYPE));
+#else
+               addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
+#endif
+#else
+               printflags(mmap_flags, u_arg[3], "MAP_???");
+#endif
+               /* fd */
+               tprintf(", ");
+               printfd(tcp, u_arg[4]);
+               /* offset */
+               tprintf(", %#llx", offset);
+       }
+       return RVAL_HEX;
+}
+
 #ifdef LINUX
-#  if defined(ALPHA) || defined(sparc)
-       long *u_arg = tcp->u_arg;
-#  else /* !ALPHA */
+int sys_old_mmap(struct tcb *tcp)
+{
        long u_arg[6];
-#  endif /* !ALPHA */
-#else /* !LINUX */
+
+#if    defined(IA64)
+       int i, v;
+       /*
+        *  IA64 processes never call this routine, they only use the
+        *  new `sys_mmap' interface.  This code converts the integer
+        *  arguments that the IA32 process pushed onto the stack into
+        *  longs.
+        *
+        *  Note that addresses with bit 31 set will be sign extended.
+        *  Fortunately, those addresses are not currently being generated
+        *  for IA32 processes so it's not a problem.
+        */
+       for (i = 0; i < 6; i++)
+               if (umove(tcp, tcp->u_arg[0] + (i * sizeof(int)), &v) == -1)
+                       return 0;
+               else
+                       u_arg[i] = v;
+#elif defined(SH) || defined(SH64)
+       /* SH has always passed the args in registers */
+       int i;
+       for (i=0; i<6; i++)
+               u_arg[i] = tcp->u_arg[i];
+#else
+# if defined(X86_64)
+       if (current_personality == 1) {
+               int i;
+               for (i = 0; i < 6; ++i) {
+                       unsigned int val;
+                       if (umove(tcp, tcp->u_arg[0] + i * 4, &val) == -1)
+                               return 0;
+                       u_arg[i] = val;
+               }
+       }
+       else
+# endif
+       if (umoven(tcp, tcp->u_arg[0], sizeof u_arg, (char *) u_arg) == -1)
+               return 0;
+#endif // defined(IA64)
+       return print_mmap(tcp, u_arg, u_arg[5]);
+}
+#endif
+
+int
+sys_mmap(struct tcb *tcp)
+{
+       long long offset = tcp->u_arg[5];
+
+#if defined(LINUX) && defined(SH64)
+       /*
+        * Old mmap differs from new mmap in specifying the
+        * offset in units of bytes rather than pages.  We
+        * pretend it's in byte units so the user only ever
+        * sees bytes in the printout.
+        */
+       offset <<= PAGE_SHIFT;
+#endif
+#if defined(LINUX_MIPSN32)
+       offset = tcp->ext_arg[5];
+#endif
+       return print_mmap(tcp, tcp->u_arg, offset);
+}
+#endif /* !HAVE_LONG_LONG_OFF_T */
+
+#if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
+int
+sys_mmap64(struct tcb *tcp)
+{
+#ifdef linux
+#ifdef ALPHA
        long *u_arg = tcp->u_arg;
-#endif /* !LINUX */
+#else /* !ALPHA */
+       long u_arg[7];
+#endif /* !ALPHA */
+#else /* !linux */
+       long *u_arg = tcp->u_arg;
+#endif /* !linux */
 
        if (entering(tcp)) {
-#if defined(LINUX) && !defined(ALPHA) && !defined(__sparc__)
+#ifdef linux
+#ifndef ALPHA
                if (umoven(tcp, tcp->u_arg[0], sizeof u_arg,
                                (char *) u_arg) == -1)
                        return 0;
-#endif /* LINUX && !ALPHA && !sparc */
+#endif /* ALPHA */
+#endif /* linux */
 
                /* addr */
                tprintf("%#lx, ", u_arg[0]);
                /* len */
                tprintf("%lu, ", u_arg[1]);
                /* prot */
-               printflags(mmap_prot, u_arg[2]);
+               printflags(mmap_prot, u_arg[2], "PROT_???");
                tprintf(", ");
                /* flags */
+#ifdef MAP_TYPE
                printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
                addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
+#else
+               printflags(mmap_flags, u_arg[3], "MAP_???");
+#endif
                /* fd */
-               tprintf(", %ld, ", u_arg[4]);
+               tprintf(", ");
+               printfd(tcp, tcp->u_arg[4]);
                /* offset */
-               tprintf("%#lx", u_arg[5]);
+               printllval(tcp, ", %#llx", 5);
        }
        return RVAL_HEX;
 }
+#endif
+
 
 int
-sys_munmap(tcp)
-struct tcb *tcp;
+sys_munmap(struct tcb *tcp)
 {
        if (entering(tcp)) {
                tprintf("%#lx, %lu",
@@ -157,52 +391,108 @@ struct tcb *tcp;
 }
 
 int
-sys_mprotect(tcp)
-struct tcb *tcp;
+sys_mprotect(struct tcb *tcp)
 {
        if (entering(tcp)) {
                tprintf("%#lx, %lu, ",
                        tcp->u_arg[0], tcp->u_arg[1]);
-               if (!printflags(mmap_prot, tcp->u_arg[2]))
-                       tprintf("PROT_???");
+               printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
        }
        return 0;
 }
 
 #ifdef LINUX
 
-static struct xlat mremap_flags[] = {
-       { MREMAP_MAYMOVE, "MREMAP_MAYMOVE" },
+static const struct xlat mremap_flags[] = {
+       { MREMAP_MAYMOVE,       "MREMAP_MAYMOVE"        },
+#ifdef MREMAP_FIXED
+       { MREMAP_FIXED,         "MREMAP_FIXED"          },
+#endif
+       { 0,                    NULL                    }
 };
 
 int
-sys_mremap(tcp)
-struct tcb *tcp;
+sys_mremap(struct tcb *tcp)
 {
        if (entering(tcp)) {
                tprintf("%#lx, %lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1],
                        tcp->u_arg[2]);
-               printflags(mremap_flags, tcp->u_arg[3]);
+               printflags(mremap_flags, tcp->u_arg[3], "MREMAP_???");
+#ifdef MREMAP_FIXED
+               if ((tcp->u_arg[3] & (MREMAP_MAYMOVE | MREMAP_FIXED)) ==
+                   (MREMAP_MAYMOVE | MREMAP_FIXED))
+                       tprintf(", %#lx", tcp->u_arg[4]);
+#endif
        }
        return RVAL_HEX;
 }
 
+static const struct xlat madvise_cmds[] = {
+#ifdef MADV_NORMAL
+       { MADV_NORMAL,          "MADV_NORMAL" },
+#endif
+#ifdef MADV_RANDOM
+       { MADV_RANDOM,          "MADV_RANDOM" },
+#endif
+#ifdef MADV_SEQUENTIAL
+       { MADV_SEQUENTIAL,      "MADV_SEQUENTIAL" },
+#endif
+#ifdef MADV_WILLNEED
+       { MADV_WILLNEED,        "MADV_WILLNEED" },
+#endif
+#ifdef MADV_DONTNEED
+       { MADV_DONTNEED,        "MADV_DONTNEED" },
+#endif
+       { 0,                    NULL },
+};
+
+
+int
+sys_madvise(struct tcb *tcp)
+{
+       if (entering(tcp)) {
+               tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
+               printxval(madvise_cmds, tcp->u_arg[2], "MADV_???");
+       }
+       return 0;
+}
+
+
+static const struct xlat mlockall_flags[] = {
+#ifdef MCL_CURRENT
+       { MCL_CURRENT,  "MCL_CURRENT" },
+#endif
+#ifdef MCL_FUTURE
+       { MCL_FUTURE,   "MCL_FUTURE" },
+#endif
+       { 0,            NULL}
+};
+
+int
+sys_mlockall(struct tcb *tcp)
+{
+       if (entering(tcp)) {
+               printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
+       }
+       return 0;
+}
+
+
 #endif /* LINUX */
 
 #ifdef MS_ASYNC
 
-static struct xlat mctl_sync[] = {
-       { MS_ASYNC,     "MS_ASYNC"      },
-       { MS_INVALIDATE,"MS_INVALIDATE" },
+static const struct xlat mctl_sync[] = {
 #ifdef MS_SYNC
        { MS_SYNC,      "MS_SYNC"       },
 #endif
+       { MS_ASYNC,     "MS_ASYNC"      },
+       { MS_INVALIDATE,"MS_INVALIDATE" },
        { 0,            NULL            },
 };
 
 int
-sys_msync(tcp)
-struct tcb *tcp;
+sys_msync(struct tcb *tcp)
 {
        if (entering(tcp)) {
                /* addr */
@@ -210,8 +500,7 @@ struct tcb *tcp;
                /* len */
                tprintf(", %lu, ", tcp->u_arg[1]);
                /* flags */
-               if (!printflags(mctl_sync, tcp->u_arg[2]))
-                       tprintf("MS_???");
+               printflags(mctl_sync, tcp->u_arg[2], "MS_???");
        }
        return 0;
 }
@@ -220,7 +509,7 @@ struct tcb *tcp;
 
 #ifdef MC_SYNC
 
-static struct xlat mctl_funcs[] = {
+static const struct xlat mctl_funcs[] = {
        { MC_LOCK,      "MC_LOCK"       },
        { MC_LOCKAS,    "MC_LOCKAS"     },
        { MC_SYNC,      "MC_SYNC"       },
@@ -229,15 +518,14 @@ static struct xlat mctl_funcs[] = {
        { 0,            NULL            },
 };
 
-static struct xlat mctl_lockas[] = {
+static const struct xlat mctl_lockas[] = {
        { MCL_CURRENT,  "MCL_CURRENT"   },
        { MCL_FUTURE,   "MCL_FUTURE"    },
        { 0,            NULL            },
 };
 
 int
-sys_mctl(tcp)
-struct tcb *tcp;
+sys_mctl(struct tcb *tcp)
 {
        int arg, function;
 
@@ -248,19 +536,16 @@ struct tcb *tcp;
                tprintf(", %lu, ", tcp->u_arg[1]);
                /* function */
                function = tcp->u_arg[2];
-               if (!printflags(mctl_funcs, function))
-                       tprintf("MC_???");
+               printflags(mctl_funcs, function, "MC_???");
                /* arg */
                arg = tcp->u_arg[3];
                tprintf(", ");
                switch (function) {
                case MC_SYNC:
-                       if (!printflags(mctl_sync, arg))
-                               tprintf("MS_???");
+                       printflags(mctl_sync, arg, "MS_???");
                        break;
                case MC_LOCKAS:
-                       if (!printflags(mctl_lockas, arg))
-                               tprintf("MCL_???");
+                       printflags(mctl_lockas, arg, "MCL_???");
                        break;
                default:
                        tprintf("%#x", arg);
@@ -273,10 +558,9 @@ struct tcb *tcp;
 #endif /* MC_SYNC */
 
 int
-sys_mincore(tcp)
-struct tcb *tcp;
+sys_mincore(struct tcb *tcp)
 {
-       int i, len;
+       unsigned long i, len;
        char *vec = NULL;
 
        if (entering(tcp)) {
@@ -284,7 +568,7 @@ struct tcb *tcp;
        } else {
                len = tcp->u_arg[1];
                if (syserror(tcp) || tcp->u_arg[2] == 0 ||
-                       (vec = malloc((u_int)len)) == NULL ||
+                       (vec = malloc(len)) == NULL ||
                        umoven(tcp, tcp->u_arg[2], len, vec) < 0)
                        tprintf("%#lx", tcp->u_arg[2]);
                else {
@@ -304,19 +588,40 @@ struct tcb *tcp;
        return 0;
 }
 
+#if defined(ALPHA) || defined(FREEBSD) || defined(IA64) || defined(SUNOS4) || defined(SVR4) || defined(SPARC) || defined(SPARC64)
 int
-sys_getpagesize(tcp)
-struct tcb *tcp;
+sys_getpagesize(struct tcb *tcp)
 {
        if (exiting(tcp))
                return RVAL_HEX;
        return 0;
 }
+#endif /* ALPHA || FREEBSD || IA64 || SUNOS4 || SVR4 */
 
 #if defined(LINUX) && defined(__i386__)
+void
+print_ldt_entry(struct modify_ldt_ldt_s *ldt_entry)
+{
+       tprintf("base_addr:%#08lx, "
+               "limit:%d, "
+               "seg_32bit:%d, "
+               "contents:%d, "
+               "read_exec_only:%d, "
+               "limit_in_pages:%d, "
+               "seg_not_present:%d, "
+               "useable:%d}",
+               (long) ldt_entry->base_addr,
+               ldt_entry->limit,
+               ldt_entry->seg_32bit,
+               ldt_entry->contents,
+               ldt_entry->read_exec_only,
+               ldt_entry->limit_in_pages,
+               ldt_entry->seg_not_present,
+               ldt_entry->useable);
+}
+
 int
-sys_modify_ldt(tcp)
-struct tcb *tcp;
+sys_modify_ldt(struct tcb *tcp)
 {
        if (entering(tcp)) {
                struct modify_ldt_ldt_s copy;
@@ -330,27 +635,342 @@ struct tcb *tcp;
                        if (!verbose(tcp))
                                tprintf("...}");
                        else {
-                               tprintf("base_addr:%#08lx, "
-                                               "limit:%d, "
-                                               "seg_32bit:%d, "
-                                               "contents:%d, "
-                                               "read_exec_only:%d, "
-                                               "limit_in_pages:%d, "
-                                               "seg_not_present:%d, "
-                                               "useable:%d}",
-                                               copy.base_addr,
-                                               copy.limit,
-                                               copy.seg_32bit,
-                                               copy.contents,
-                                               copy.read_exec_only,
-                                               copy.limit_in_pages,
-                                               copy.seg_not_present,
-                                               copy.useable);
+                               print_ldt_entry(&copy);
                        }
                }
                tprintf(", %lu", tcp->u_arg[2]);
        }
        return 0;
 }
+
+int
+sys_set_thread_area(struct tcb *tcp)
+{
+       struct modify_ldt_ldt_s copy;
+       if (entering(tcp)) {
+               if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
+                       if (copy.entry_number == -1)
+                               tprintf("{entry_number:%d -> ",
+                                       copy.entry_number);
+                       else
+                               tprintf("{entry_number:");
+               }
+       } else {
+               if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
+                       tprintf("%d, ", copy.entry_number);
+                       if (!verbose(tcp))
+                               tprintf("...}");
+                       else {
+                               print_ldt_entry(&copy);
+                       }
+               } else {
+                       tprintf("%lx", tcp->u_arg[0]);
+               }
+       }
+       return 0;
+
+}
+
+int
+sys_get_thread_area(struct tcb *tcp)
+{
+       struct modify_ldt_ldt_s copy;
+       if (exiting(tcp)) {
+               if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
+                       tprintf("{entry_number:%d, ", copy.entry_number);
+                       if (!verbose(tcp))
+                               tprintf("...}");
+                       else {
+                               print_ldt_entry(&copy);
+                       }
+               } else {
+                       tprintf("%lx", tcp->u_arg[0]);
+               }
+       }
+       return 0;
+
+}
 #endif /* LINUX && __i386__ */
 
+#if defined(LINUX) && defined(M68K)
+
+int
+sys_set_thread_area(struct tcb *tcp)
+{
+       if (entering(tcp))
+               tprintf("%#lx", tcp->u_arg[0]);
+       return 0;
+
+}
+
+int
+sys_get_thread_area(struct tcb *tcp)
+{
+       return RVAL_HEX;
+}
+#endif
+
+#if defined(LINUX)
+int
+sys_remap_file_pages(struct tcb *tcp)
+{
+       if (entering(tcp)) {
+               tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
+               printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
+               tprintf(", %lu, ", tcp->u_arg[3]);
+#ifdef MAP_TYPE
+               printxval(mmap_flags, tcp->u_arg[4] & MAP_TYPE, "MAP_???");
+               addflags(mmap_flags, tcp->u_arg[4] & ~MAP_TYPE);
+#else
+               printflags(mmap_flags, tcp->u_arg[4], "MAP_???");
+#endif
+       }
+       return 0;
+}
+
+
+#define MPOL_DEFAULT    0
+#define MPOL_PREFERRED  1
+#define MPOL_BIND       2
+#define MPOL_INTERLEAVE 3
+
+#define MPOL_F_NODE     (1<<0)
+#define MPOL_F_ADDR     (1<<1)
+
+#define MPOL_MF_STRICT  (1<<0)
+#define MPOL_MF_MOVE   (1<<1)
+#define MPOL_MF_MOVE_ALL (1<<2)
+
+
+static const struct xlat policies[] = {
+       { MPOL_DEFAULT,         "MPOL_DEFAULT"          },
+       { MPOL_PREFERRED,       "MPOL_PREFERRED"        },
+       { MPOL_BIND,            "MPOL_BIND"             },
+       { MPOL_INTERLEAVE,      "MPOL_INTERLEAVE"       },
+       { 0,                    NULL                    }
+};
+
+static const struct xlat mbindflags[] = {
+       { MPOL_MF_STRICT,       "MPOL_MF_STRICT"        },
+       { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
+       { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
+       { 0,                    NULL                    }
+};
+
+static const struct xlat mempolicyflags[] = {
+       { MPOL_F_NODE,          "MPOL_F_NODE"           },
+       { MPOL_F_ADDR,          "MPOL_F_ADDR"           },
+       { 0,                    NULL                    }
+};
+
+static const struct xlat move_pages_flags[] = {
+       { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
+       { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
+       { 0,                    NULL                    }
+};
+
+
+static void
+get_nodes(struct tcb *tcp, unsigned long ptr, unsigned long maxnodes, int err)
+{
+       unsigned long nlongs, size, end;
+
+       nlongs = (maxnodes + 8 * sizeof(long) - 1) / (8 * sizeof(long));
+       size = nlongs * sizeof(long);
+       end = ptr + size;
+       if (nlongs == 0 || ((err || verbose(tcp)) && (size * 8 == maxnodes)
+                           && (end > ptr))) {
+               unsigned long n, cur, abbrev_end;
+               int failed = 0;
+
+               if (abbrev(tcp)) {
+                       abbrev_end = ptr + max_strlen * sizeof(long);
+                       if (abbrev_end < ptr)
+                               abbrev_end = end;
+               } else {
+                       abbrev_end = end;
+               }
+               tprintf(", {");
+               for (cur = ptr; cur < end; cur += sizeof(long)) {
+                       if (cur > ptr)
+                               tprintf(", ");
+                       if (cur >= abbrev_end) {
+                               tprintf("...");
+                               break;
+                       }
+                       if (umoven(tcp, cur, sizeof(n), (char *) &n) < 0) {
+                               tprintf("?");
+                               failed = 1;
+                               break;
+                       }
+                       tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n);
+               }
+               tprintf("}");
+               if (failed)
+                       tprintf(" %#lx", ptr);
+       } else
+               tprintf(", %#lx", ptr);
+       tprintf(", %lu", maxnodes);
+}
+
+int
+sys_mbind(struct tcb *tcp)
+{
+       if (entering(tcp)) {
+               tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
+               printxval(policies, tcp->u_arg[2], "MPOL_???");
+               get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
+               tprintf(", ");
+               printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
+       }
+       return 0;
+}
+
+int
+sys_set_mempolicy(struct tcb *tcp)
+{
+       if (entering(tcp)) {
+               printxval(policies, tcp->u_arg[0], "MPOL_???");
+               get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
+       }
+       return 0;
+}
+
+int
+sys_get_mempolicy(struct tcb *tcp)
+{
+       if (exiting(tcp)) {
+               int pol;
+               if (tcp->u_arg[0] == 0)
+                       tprintf("NULL");
+               else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &pol) < 0)
+                       tprintf("%#lx", tcp->u_arg[0]);
+               else
+                       printxval(policies, pol, "MPOL_???");
+               get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
+               tprintf(", %#lx, ", tcp->u_arg[3]);
+               printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???");
+       }
+       return 0;
+}
+
+int
+sys_move_pages(struct tcb *tcp)
+{
+       if (entering(tcp)) {
+               unsigned long npages = tcp->u_arg[1];
+               tprintf("%ld, %lu, ", tcp->u_arg[0], npages);
+               if (tcp->u_arg[2] == 0)
+                       tprintf("NULL, ");
+               else {
+                       int i;
+                       long puser = tcp->u_arg[2];
+                       tprintf("{");
+                       for (i = 0; i < npages; ++i) {
+                               void *p;
+                               if (i > 0)
+                                       tprintf(", ");
+                               if (umove(tcp, puser, &p) < 0) {
+                                       tprintf("???");
+                                       break;
+                               }
+                               tprintf("%p", p);
+                               puser += sizeof (void *);
+                       }
+                       tprintf("}, ");
+               }
+               if (tcp->u_arg[3] == 0)
+                       tprintf("NULL, ");
+               else {
+                       int i;
+                       long nodeuser = tcp->u_arg[3];
+                       tprintf("{");
+                       for (i = 0; i < npages; ++i) {
+                               int node;
+                               if (i > 0)
+                                       tprintf(", ");
+                               if (umove(tcp, nodeuser, &node) < 0) {
+                                       tprintf("???");
+                                       break;
+                               }
+                               tprintf("%#x", node);
+                               nodeuser += sizeof (int);
+                       }
+                       tprintf("}, ");
+               }
+       }
+       if (exiting(tcp)) {
+               unsigned long npages = tcp->u_arg[1];
+               if (tcp->u_arg[4] == 0)
+                       tprintf("NULL, ");
+               else {
+                       int i;
+                       long statususer = tcp->u_arg[4];
+                       tprintf("{");
+                       for (i = 0; i < npages; ++i) {
+                               int status;
+                               if (i > 0)
+                                       tprintf(", ");
+                               if (umove(tcp, statususer, &status) < 0) {
+                                       tprintf("???");
+                                       break;
+                               }
+                               tprintf("%#x", status);
+                               statususer += sizeof (int);
+                       }
+                       tprintf("}, ");
+               }
+               printflags(move_pages_flags, tcp->u_arg[5], "MPOL_???");
+       }
+       return 0;
+}
+#endif
+
+#if defined(LINUX) && defined(POWERPC)
+int
+sys_subpage_prot(struct tcb *tcp)
+{
+       if (entering(tcp)) {
+               unsigned long cur, end, abbrev_end, entries;
+               unsigned int entry;
+
+               tprintf("%#lx, %#lx, ", tcp->u_arg[0], tcp->u_arg[1]);
+               entries = tcp->u_arg[1] >> 16;
+               if (!entries || !tcp->u_arg[2]) {
+                       tprintf("{}");
+                       return 0;
+               }
+               cur = tcp->u_arg[2];
+               end = cur + (sizeof(int) * entries);
+               if (!verbose(tcp) || end < tcp->u_arg[2]) {
+                       tprintf("%#lx", tcp->u_arg[2]);
+                       return 0;
+               }
+               if (abbrev(tcp)) {
+                       abbrev_end = cur + (sizeof(int) * max_strlen);
+                       if (abbrev_end > end)
+                               abbrev_end = end;
+               }
+               else
+                       abbrev_end = end;
+               tprintf("{");
+               for (; cur < end; cur += sizeof(int)) {
+                       if (cur > tcp->u_arg[2])
+                               tprintf(", ");
+                       if (cur >= abbrev_end) {
+                               tprintf("...");
+                               break;
+                       }
+                       if (umove(tcp, cur, &entry) < 0) {
+                               tprintf("??? [%#lx]", cur);
+                               break;
+                       }
+                       else
+                               tprintf("%#08x", entry);
+               }
+               tprintf("}");
+       }
+
+       return 0;
+}
+#endif