* 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 <asm/mman.h>
-#endif
#include <sys/mman.h>
-#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;
+unsigned long
+get_pagesize(void)
{
- if (entering(tcp)) {
- tprintf("%#lx", tcp->u_arg[0]);
- }
-#ifdef LINUX
- return RVAL_HEX;
-#else
- return 0;
-#endif
-}
+ static unsigned long pagesize;
-#if defined(FREEBSD) || defined(SUNOS4)
-int
-sys_sbrk(tcp)
-struct tcb *tcp;
-{
- if (entering(tcp)) {
- tprintf("%lu", tcp->u_arg[0]);
- }
- return RVAL_HEX;
+ if (!pagesize)
+ pagesize = sysconf(_SC_PAGESIZE);
+ return pagesize;
}
-#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
-#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
-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;
- }
+SYS_FUNC(brk)
+{
+ printaddr(tcp->u_arg[0]);
- return flags;
+ return RVAL_DECODED | RVAL_HEX;
}
-#endif
-#if !HAVE_LONG_LONG_OFF_T
-static
-int
-print_mmap(tcp,u_arg, offset)
-struct tcb *tcp;
-long *u_arg;
-long long offset;
+#include "xlat/mmap_prot.h"
+#include "xlat/mmap_flags.h"
+
+static void
+print_mmap(struct tcb *tcp, kernel_ulong_t *u_arg, unsigned 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 */
+ const kernel_ulong_t addr = u_arg[0];
+ const kernel_ulong_t len = u_arg[1];
+ const kernel_ulong_t prot = u_arg[2];
+ const kernel_ulong_t flags = u_arg[3];
+ const int fd = u_arg[4];
+
+ printaddr(addr);
+ tprintf(", %" PRI_klu ", ", len);
+ printflags64(mmap_prot, prot, "PROT_???");
+ tprints(", ");
#ifdef MAP_TYPE
- printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
-#ifdef TILE
- addflags(mmap_flags, addtileflags(u_arg[3] & ~MAP_TYPE));
+ printxval64(mmap_flags, flags & MAP_TYPE, "MAP_???");
+ addflags(mmap_flags, flags & ~MAP_TYPE);
#else
- addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
+ printflags64(mmap_flags, flags, "MAP_???");
#endif
-#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;
+ tprints(", ");
+ printfd(tcp, fd);
+ tprintf(", %#llx", offset);
}
-#ifdef LINUX
-int sys_old_mmap(tcp)
-struct tcb *tcp;
+/* Syscall name<->function correspondence is messed up on many arches.
+ * For example:
+ * i386 has __NR_mmap == 90, and it is "old mmap", and
+ * also it has __NR_mmap2 == 192, which is a "new mmap with page offsets".
+ * But x86_64 has just one __NR_mmap == 9, a "new mmap with byte offsets".
+ * Confused? Me too!
+ */
+
+#if defined AARCH64 || defined ARM \
+ || defined I386 || defined X86_64 || defined X32 \
+ || defined M68K \
+ || defined S390 || defined S390X
+/* Params are pointed to by u_arg[0], offset is in bytes */
+SYS_FUNC(old_mmap)
{
- 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.
- */
+ kernel_ulong_t u_arg[6];
+# ifndef current_klongsize
+ /* We are here only in a 32-bit personality. */
+ unsigned int narrow_arg[6];
+ if (umove_or_printaddr(tcp, tcp->u_arg[0], &narrow_arg))
+ return RVAL_DECODED | RVAL_HEX;
+ unsigned int i;
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
+ u_arg[i] = narrow_arg[i];
+# else
+ if (umove_or_printaddr(tcp, tcp->u_arg[0], &u_arg))
+ return RVAL_DECODED | RVAL_HEX;
# 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]);
+ print_mmap(tcp, u_arg, u_arg[5]);
+
+ return RVAL_DECODED | RVAL_HEX;
}
-#endif
+#endif /* old_mmap architectures */
-int
-sys_mmap(tcp)
-struct tcb *tcp;
+#ifdef S390
+/* Params are pointed to by u_arg[0], offset is in pages */
+SYS_FUNC(old_mmap_pgoff)
{
- 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);
+ kernel_ulong_t u_arg[5];
+ int i;
+ unsigned int narrow_arg[6];
+ unsigned long long offset;
+ if (umove_or_printaddr(tcp, tcp->u_arg[0], &narrow_arg))
+ return RVAL_DECODED | RVAL_HEX;
+ for (i = 0; i < 5; i++)
+ u_arg[i] = narrow_arg[i];
+ offset = narrow_arg[5];
+ offset *= get_pagesize();
+ print_mmap(tcp, u_arg, offset);
+
+ return RVAL_DECODED | RVAL_HEX;
}
-#endif /* !HAVE_LONG_LONG_OFF_T */
+#endif /* S390 */
-#if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
-int
-sys_mmap64(tcp)
-struct tcb *tcp;
+/* Params are passed directly, offset is in bytes */
+SYS_FUNC(mmap)
{
-#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 */
+ /* Example of kernel-side handling of this variety of mmap:
+ * arch/x86/kernel/sys_x86_64.c::SYSCALL_DEFINE6(mmap, ...) calls
+ * sys_mmap_pgoff(..., off >> PAGE_SHIFT); i.e. off is in bytes,
+ * since the above code converts off to pages.
+ */
+ print_mmap(tcp, tcp->u_arg, tcp->u_arg[5]);
- 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 */
-
- /* 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 */
- printllval(tcp, "%#llx", 5);
- }
- return RVAL_HEX;
+ return RVAL_DECODED | RVAL_HEX;
}
-#endif
-
-int
-sys_munmap(tcp)
-struct tcb *tcp;
+/* Params are passed directly, offset is in pages */
+SYS_FUNC(mmap_pgoff)
{
- if (entering(tcp)) {
- tprintf("%#lx, %lu",
- tcp->u_arg[0], tcp->u_arg[1]);
- }
- return 0;
+ /* Try test/mmap_offset_decode.c */
+ unsigned long long offset;
+ offset = tcp->u_arg[5];
+ offset *= get_pagesize();
+ print_mmap(tcp, tcp->u_arg, offset);
+
+ return RVAL_DECODED | RVAL_HEX;
}
-int
-sys_mprotect(tcp)
-struct tcb *tcp;
+/* Params are passed directly, offset is in 4k units */
+SYS_FUNC(mmap_4koff)
{
- if (entering(tcp)) {
- tprintf("%#lx, %lu, ",
- tcp->u_arg[0], tcp->u_arg[1]);
- printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
- }
- return 0;
+ unsigned long long offset;
+ offset = tcp->u_arg[5];
+ offset <<= 12;
+ print_mmap(tcp, tcp->u_arg, offset);
+
+ return RVAL_DECODED | RVAL_HEX;
}
-#ifdef LINUX
+SYS_FUNC(munmap)
+{
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %" PRI_klu, tcp->u_arg[1]);
-static const struct xlat mremap_flags[] = {
- { MREMAP_MAYMOVE, "MREMAP_MAYMOVE" },
-#ifdef MREMAP_FIXED
- { MREMAP_FIXED, "MREMAP_FIXED" },
-#endif
- { 0, NULL }
-};
+ return RVAL_DECODED;
+}
-int
-sys_mremap(struct tcb *tcp)
+static int
+do_mprotect(struct tcb *tcp, bool has_pkey)
{
- 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_???");
-#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;
-}
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %" PRI_klu ", ", tcp->u_arg[1]);
+ printflags64(mmap_prot, tcp->u_arg[2], "PROT_???");
-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 },
-};
+ if (has_pkey)
+ tprintf(", %d", (int) tcp->u_arg[3]);
+ return RVAL_DECODED;
+}
-int
-sys_madvise(tcp)
-struct tcb *tcp;
+SYS_FUNC(mprotect)
{
- if (entering(tcp)) {
- tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
- printxval(madvise_cmds, tcp->u_arg[2], "MADV_???");
- }
- return 0;
+ return do_mprotect(tcp, false);
}
-
-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;
+SYS_FUNC(pkey_mprotect)
{
- if (entering(tcp)) {
- printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
- }
- return 0;
+ return do_mprotect(tcp, true);
}
+#include "xlat/mremap_flags.h"
-#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;
+SYS_FUNC(mremap)
{
- 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_???");
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %" PRI_klu ", %" PRI_klu ", ", tcp->u_arg[1], tcp->u_arg[2]);
+ printflags64(mremap_flags, tcp->u_arg[3], "MREMAP_???");
+#ifdef MREMAP_FIXED
+ if ((tcp->u_arg[3] & (MREMAP_MAYMOVE | MREMAP_FIXED)) ==
+ (MREMAP_MAYMOVE | MREMAP_FIXED)) {
+ tprints(", ");
+ printaddr(tcp->u_arg[4]);
}
- return 0;
+#endif
+ return RVAL_DECODED | RVAL_HEX;
}
-#endif /* MS_ASYNC */
-
-#ifdef MC_SYNC
+#include "xlat/madvise_cmds.h"
-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;
+SYS_FUNC(madvise)
{
- int arg, function;
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %" PRI_klu ", ", tcp->u_arg[1]);
+ printxval(madvise_cmds, tcp->u_arg[2], "MADV_???");
- 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;
+ return RVAL_DECODED;
}
-#endif /* MC_SYNC */
+#include "xlat/mlockall_flags.h"
-int
-sys_mincore(tcp)
-struct tcb *tcp;
+SYS_FUNC(mlockall)
{
- unsigned long i, len;
- char *vec = NULL;
+ printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
- 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;
+ return RVAL_DECODED;
}
-#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 */
+#include "xlat/mctl_sync.h"
-#if defined(LINUX) && defined(__i386__)
-void
-print_ldt_entry(struct modify_ldt_ldt_s *ldt_entry)
+SYS_FUNC(msync)
{
- 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);
+ /* addr */
+ printaddr(tcp->u_arg[0]);
+ /* len */
+ tprintf(", %" PRI_klu ", ", tcp->u_arg[1]);
+ /* flags */
+ printflags(mctl_sync, tcp->u_arg[2], "MS_???");
+
+ return RVAL_DECODED;
}
-int
-sys_modify_ldt(tcp)
-struct tcb *tcp;
+#include "xlat/mlock_flags.h"
+
+SYS_FUNC(mlock2)
{
- 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;
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %" PRI_klu ", ", tcp->u_arg[1]);
+ printflags(mlock_flags, tcp->u_arg[2], "MLOCK_???");
+
+ return RVAL_DECODED;
}
-int
-sys_set_thread_area(tcp)
-struct tcb *tcp;
+SYS_FUNC(mincore)
{
- 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:");
- }
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %" PRI_klu ", ", tcp->u_arg[1]);
} else {
- if (umove(tcp, tcp->u_arg[0], ©) != -1) {
- tprintf("%d, ", copy.entry_number);
- if (!verbose(tcp))
- tprintf("...}");
- else {
- print_ldt_entry(©);
+ const unsigned long page_size = get_pagesize();
+ const unsigned long page_mask = page_size - 1;
+ unsigned long len = tcp->u_arg[1];
+ unsigned char *vec = NULL;
+
+ len = len / page_size + (len & page_mask ? 1 : 0);
+ if (syserror(tcp) || !verbose(tcp) ||
+ !tcp->u_arg[2] || !(vec = malloc(len)) ||
+ umoven(tcp, tcp->u_arg[2], len, vec) < 0)
+ printaddr(tcp->u_arg[2]);
+ else {
+ unsigned long i;
+ tprints("[");
+ for (i = 0; i < len; i++) {
+ if (i)
+ tprints(", ");
+ if (abbrev(tcp) && i >= max_strlen) {
+ tprints("...");
+ break;
+ }
+ tprints((vec[i] & 1) ? "1" : "0");
}
- } else {
- tprintf("%lx", tcp->u_arg[0]);
+ tprints("]");
}
+ free(vec);
}
return 0;
-
}
-int
-sys_get_thread_area(tcp)
-struct tcb *tcp;
+#if defined ALPHA || defined IA64 || defined M68K \
+ || defined SPARC || defined SPARC64
+SYS_FUNC(getpagesize)
{
- 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;
-
+ return RVAL_DECODED | RVAL_HEX;
}
-#endif /* LINUX && __i386__ */
+#endif
-#if defined(LINUX)
-int
-sys_remap_file_pages(tcp)
-struct tcb *tcp;
+SYS_FUNC(remap_file_pages)
{
- 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]);
+ const kernel_ulong_t addr = tcp->u_arg[0];
+ const kernel_ulong_t size = tcp->u_arg[1];
+ const kernel_ulong_t prot = tcp->u_arg[2];
+ const kernel_ulong_t pgoff = tcp->u_arg[3];
+ const kernel_ulong_t flags = tcp->u_arg[4];
+
+ printaddr(addr);
+ tprintf(", %" PRI_klu ", ", size);
+ printflags64(mmap_prot, prot, "PROT_???");
+ tprintf(", %" PRI_klu ", ", pgoff);
#ifdef MAP_TYPE
- printxval(mmap_flags, tcp->u_arg[4] & MAP_TYPE, "MAP_???");
- addflags(mmap_flags, tcp->u_arg[4] & ~MAP_TYPE);
+ printxval64(mmap_flags, flags & MAP_TYPE, "MAP_???");
+ addflags(mmap_flags, flags & ~MAP_TYPE);
#else
- printflags(mmap_flags, tcp->u_arg[4], "MAP_???");
+ printflags64(mmap_flags, flags, "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);
+ return RVAL_DECODED;
}
-int
-sys_mbind(tcp)
-struct tcb *tcp;
+#if defined(POWERPC)
+static bool
+print_protmap_entry(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
{
- 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;
-}
+ tprintf("%#08x", * (unsigned int *) elem_buf);
-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;
+ return true;
}
-int
-sys_get_mempolicy(tcp)
-struct tcb *tcp;
+SYS_FUNC(subpage_prot)
{
- 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;
-}
+ kernel_ulong_t addr = tcp->u_arg[0];
+ kernel_ulong_t len = tcp->u_arg[1];
+ kernel_ulong_t nmemb = len >> 16;
+ kernel_ulong_t map = tcp->u_arg[2];
-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
+ printaddr(addr);
+ tprintf(", %" PRI_klu ", ", len);
-#if defined(LINUX) && defined(POWERPC)
-int
-sys_subpage_prot(tcp)
-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("}");
- }
+ unsigned int entry;
+ print_array(tcp, map, nmemb, &entry, sizeof(entry),
+ umoven_or_printaddr, print_protmap_entry, 0);
- return 0;
+ return RVAL_DECODED;
}
#endif