/* * 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) 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" #ifdef LINUX #include #endif #include #if defined(LINUX) && defined(I386) #include # ifdef HAVE_STRUCT_USER_DESC # define modify_ldt_ldt_s user_desc # endif #endif #if defined(LINUX) && defined(SH64) #include /* 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; { if (entering(tcp)) { tprintf("%#lx", tcp->u_arg[0]); } #ifdef LINUX return RVAL_HEX; #else return 0; #endif } #if defined(FREEBSD) || defined(SUNOS4) int sys_sbrk(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%lu", tcp->u_arg[0]); } return RVAL_HEX; } #endif /* FREEBSD || SUNOS4 */ 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 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 #ifdef MAP_GROWSDOWN { MAP_GROWSDOWN,"MAP_GROWSDOWN" }, #endif #ifdef MAP_DENYWRITE { MAP_DENYWRITE,"MAP_DENYWRITE" }, #endif #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 { 0, NULL }, }; #if !HAVE_LONG_LONG_OFF_T static int print_mmap(tcp,u_arg, offset) 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_???"); addflags(mmap_flags, u_arg[3] & ~MAP_TYPE); #else printflags(mmap_flags, u_arg[3], "MAP_???"); #endif /* fd (is always int, not long) */ tprintf(", %d, ", (int)u_arg[4]); /* offset */ tprintf("%#llx", offset); } return RVAL_HEX; } #ifdef LINUX int sys_old_mmap(tcp) struct tcb *tcp; { long u_arg[6]; #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(tcp) 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(tcp) struct tcb *tcp; { #ifdef linux #ifdef ALPHA long *u_arg = tcp->u_arg; #else /* !ALPHA */ long u_arg[7]; #endif /* !ALPHA */ #else /* !linux */ long *u_arg = tcp->u_arg; #endif /* !linux */ if (entering(tcp)) { #ifdef linux #ifndef ALPHA if (umoven(tcp, tcp->u_arg[0], sizeof u_arg, (char *) u_arg) == -1) return 0; #endif /* ALPHA */ #endif /* linux */ ALIGN64 (tcp, 5); /* FreeBSD wierdies */ /* addr */ 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_???"); addflags(mmap_flags, u_arg[3] & ~MAP_TYPE); #else printflags(mmap_flags, u_arg[3], "MAP_???"); #endif /* fd */ tprintf(", %ld, ", u_arg[4]); /* offset */ tprintf("%#llx", LONG_LONG(u_arg[5], u_arg[6])); } return RVAL_HEX; } #endif int sys_munmap(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%#lx, %lu", tcp->u_arg[0], tcp->u_arg[1]); } return 0; } int sys_mprotect(tcp) 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_???"); } return 0; } #ifdef LINUX static const struct xlat mremap_flags[] = { { MREMAP_MAYMOVE, "MREMAP_MAYMOVE" }, { 0, NULL } }; int sys_mremap(tcp) 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], "MREMAP_???"); } 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(tcp) 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(tcp) struct tcb *tcp; { if (entering(tcp)) { printflags(mlockall_flags, tcp->u_arg[0], "MCL_???"); } return 0; } #endif /* LINUX */ #ifdef MS_ASYNC 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; { if (entering(tcp)) { /* addr */ tprintf("%#lx", tcp->u_arg[0]); /* len */ tprintf(", %lu, ", tcp->u_arg[1]); /* flags */ printflags(mctl_sync, tcp->u_arg[2], "MS_???"); } return 0; } #endif /* MS_ASYNC */ #ifdef MC_SYNC static const struct xlat mctl_funcs[] = { { MC_LOCK, "MC_LOCK" }, { MC_LOCKAS, "MC_LOCKAS" }, { MC_SYNC, "MC_SYNC" }, { MC_UNLOCK, "MC_UNLOCK" }, { MC_UNLOCKAS, "MC_UNLOCKAS" }, { 0, NULL }, }; static const struct xlat mctl_lockas[] = { { MCL_CURRENT, "MCL_CURRENT" }, { MCL_FUTURE, "MCL_FUTURE" }, { 0, NULL }, }; int sys_mctl(tcp) struct tcb *tcp; { int arg, function; if (entering(tcp)) { /* addr */ tprintf("%#lx", tcp->u_arg[0]); /* len */ tprintf(", %lu, ", tcp->u_arg[1]); /* function */ function = tcp->u_arg[2]; printflags(mctl_funcs, function, "MC_???"); /* arg */ arg = tcp->u_arg[3]; tprintf(", "); switch (function) { case MC_SYNC: printflags(mctl_sync, arg, "MS_???"); break; case MC_LOCKAS: printflags(mctl_lockas, arg, "MCL_???"); break; default: tprintf("%#x", arg); break; } } return 0; } #endif /* MC_SYNC */ int sys_mincore(tcp) struct tcb *tcp; { unsigned long i, len; char *vec = NULL; if (entering(tcp)) { tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]); } else { len = tcp->u_arg[1]; if (syserror(tcp) || tcp->u_arg[2] == 0 || (vec = malloc(len)) == NULL || umoven(tcp, tcp->u_arg[2], len, vec) < 0) tprintf("%#lx", tcp->u_arg[2]); else { tprintf("["); for (i = 0; i < len; i++) { if (abbrev(tcp) && i >= max_strlen) { tprintf("..."); break; } tprintf((vec[i] & 1) ? "1" : "0"); } tprintf("]"); } if (vec) free(vec); } return 0; } #if defined(ALPHA) || defined(FREEBSD) || defined(IA64) || defined(SUNOS4) || defined(SVR4) || defined(SPARC) || defined(SPARC64) int sys_getpagesize(tcp) 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 (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}", 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; { if (entering(tcp)) { struct modify_ldt_ldt_s copy; tprintf("%ld", tcp->u_arg[0]); if (tcp->u_arg[1] == 0 || tcp->u_arg[2] != sizeof (struct modify_ldt_ldt_s) || umove(tcp, tcp->u_arg[1], ©) == -1) tprintf(", %lx", tcp->u_arg[1]); else { tprintf(", {entry_number:%d, ", copy.entry_number); if (!verbose(tcp)) tprintf("...}"); else { print_ldt_entry(©); } } tprintf(", %lu", tcp->u_arg[2]); } return 0; } int sys_set_thread_area(tcp) struct tcb *tcp; { struct modify_ldt_ldt_s copy; if (entering(tcp)) { if (umove(tcp, tcp->u_arg[0], ©) != -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], ©) != -1) { tprintf("%d, ", copy.entry_number); if (!verbose(tcp)) tprintf("...}"); else { print_ldt_entry(©); } } else { tprintf("%lx", tcp->u_arg[0]); } } return 0; } int sys_get_thread_area(tcp) struct tcb *tcp; { struct modify_ldt_ldt_s copy; if (exiting(tcp)) { if (umove(tcp, tcp->u_arg[0], ©) != -1) { tprintf("{entry_number:%d, ", copy.entry_number); if (!verbose(tcp)) tprintf("...}"); else { print_ldt_entry(©); } } else { tprintf("%lx", tcp->u_arg[0]); } } return 0; } #endif /* LINUX && __i386__ */ #if defined(LINUX) int sys_remap_file_pages(tcp) 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(tcp, ptr, maxnodes, err) 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(tcp) struct tcb *tcp; { if (entering(tcp)) { tprintf("%lu, %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(tcp) 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(tcp) 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(tcp) 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