* 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 <asm/mman.h>
#include <sys/mman.h>
-#if defined(I386)
-# include <asm/ldt.h>
-# ifdef HAVE_STRUCT_USER_DESC
-# define modify_ldt_ldt_s user_desc
-# endif
-#endif
-#if 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(struct tcb *tcp)
+unsigned long
+get_pagesize(void)
{
- if (entering(tcp)) {
- tprintf("%#lx", tcp->u_arg[0]);
- }
- return RVAL_HEX;
-}
+ static unsigned long pagesize;
+ if (!pagesize)
+ pagesize = sysconf(_SC_PAGESIZE);
+ return pagesize;
+}
-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(long flags)
+SYS_FUNC(brk)
{
- 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) {
- tprints("|MAP_CACHE_INCOHERENT");
- return flags;
- }
- tprints("|_MAP_CACHE_INCOHERENT");
- }
-
- switch (home) {
- case 0: break;
- case MAP_CACHE_HOME_HERE: tprints("|MAP_CACHE_HOME_HERE"); break;
- case MAP_CACHE_HOME_NONE: tprints("|MAP_CACHE_HOME_NONE"); break;
- case MAP_CACHE_HOME_SINGLE: tprints("|MAP_CACHE_HOME_SINGLE"); break;
- case MAP_CACHE_HOME_TASK: tprints("|MAP_CACHE_HOME_TASK"); break;
- case MAP_CACHE_HOME_HASH: tprints("|MAP_CACHE_HOME_HASH"); break;
- default:
- tprintf("|MAP_CACHE_HOME(%d)",
- (home >> _MAP_CACHE_HOME_SHIFT) );
- break;
- }
+ printaddr(tcp->u_arg[0]);
- return flags;
+ return RVAL_DECODED | RVAL_HEX;
}
-#endif
-#if !HAVE_LONG_LONG_OFF_T
-static int
-print_mmap(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, long *u_arg, unsigned long long offset)
{
- if (entering(tcp)) {
- /* addr */
- if (!u_arg[0])
- tprints("NULL, ");
- else
- tprintf("%#lx, ", u_arg[0]);
- /* len */
- tprintf("%lu, ", u_arg[1]);
- /* prot */
- printflags(mmap_prot, u_arg[2], "PROT_???");
- tprints(", ");
- /* flags */
+ /* addr */
+ printaddr(u_arg[0]);
+ /* len */
+ tprintf(", %lu, ", u_arg[1]);
+ /* prot */
+ printflags(mmap_prot, u_arg[2], "PROT_???");
+ tprints(", ");
+ /* 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
+ 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_???");
+ printflags(mmap_flags, u_arg[3], "MAP_???");
#endif
- /* fd */
- tprints(", ");
- printfd(tcp, u_arg[4]);
- /* offset */
- tprintf(", %#llx", offset);
- }
- return RVAL_HEX;
+ tprints(", ");
+ /* fd */
+ printfd(tcp, u_arg[4]);
+ /* offset */
+ tprintf(", %#llx", offset);
}
-int sys_old_mmap(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!
+ */
+
+/* Params are pointed to by u_arg[0], offset is in bytes */
+SYS_FUNC(old_mmap)
{
+ long u_arg[6];
#if defined(IA64)
/*
* IA64 processes never call this routine, they only use the
- * new `sys_mmap' interface.
- * For IA32 processes, this code converts the integer arguments
- * that they 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.
+ * new 'sys_mmap' interface. Only IA32 processes come here.
*/
int i;
- long u_arg[6];
- int narrow_arg[6];
- if (umoven(tcp, tcp->u_arg[0], sizeof(narrow_arg), (char *) narrow_arg) == -1)
+ unsigned narrow_arg[6];
+ if (umoven(tcp, tcp->u_arg[0], sizeof(narrow_arg), narrow_arg) == -1)
return 0;
for (i = 0; i < 6; i++)
- u_arg[i] = narrow_arg[i];
-#elif defined(SH) || defined(SH64)
- /* SH has always passed the args in registers */
- long *u_arg = tcp->u_arg;
+ u_arg[i] = (unsigned long) narrow_arg[i];
+#elif defined(X86_64)
+ /* We are here only in personality 1 (i386) */
+ int i;
+ unsigned narrow_arg[6];
+ if (umoven(tcp, tcp->u_arg[0], sizeof(narrow_arg), narrow_arg) == -1)
+ return 0;
+ for (i = 0; i < 6; ++i)
+ u_arg[i] = (unsigned long) narrow_arg[i];
#else
- long u_arg[6];
-# if defined(X86_64)
- if (current_personality == 1) {
- int i;
- unsigned narrow_arg[6];
- if (umoven(tcp, tcp->u_arg[0], sizeof(narrow_arg), (char *) narrow_arg) == -1)
- return 0;
- for (i = 0; i < 6; ++i)
- u_arg[i] = narrow_arg[i];
- }
- else
-# endif
- if (umoven(tcp, tcp->u_arg[0], sizeof(u_arg), (char *) u_arg) == -1)
+ if (umoven(tcp, tcp->u_arg[0], sizeof(u_arg), u_arg) == -1)
return 0;
-#endif /* other architectures */
+#endif
+ print_mmap(tcp, u_arg, (unsigned long) u_arg[5]);
- return print_mmap(tcp, u_arg, u_arg[5]);
+ return RVAL_DECODED | RVAL_HEX;
}
-int
-sys_mmap(struct tcb *tcp)
+#if defined(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];
+ long u_arg[5];
+ int i;
+ unsigned narrow_arg[6];
+ unsigned long long offset;
+ if (umoven(tcp, tcp->u_arg[0], sizeof(narrow_arg), narrow_arg) == -1)
+ return 0;
+ for (i = 0; i < 5; i++)
+ u_arg[i] = (unsigned long) narrow_arg[i];
+ offset = narrow_arg[5];
+ offset *= get_pagesize();
+ print_mmap(tcp, u_arg, offset);
- /* FIXME: why only SH64? i386 mmap2 syscall ends up
- * in this function, but does not convert offset
- * from pages to bytes. See test/mmap_offset_decode.c
- * Why SH64 and i386 are handled differently?
- */
-#if 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);
+ return RVAL_DECODED | RVAL_HEX;
}
-#endif /* !HAVE_LONG_LONG_OFF_T */
+#endif
-#if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
-/* TODO: comment which arches use this routine.
- * For one, does ALPHA on Linux use this??
- * From code it seems that it might use 7 or 8 registers,
- * which is strange - Linux syscalls can pass maximum of 6 parameters!
- */
-int
-sys_mmap64(struct tcb *tcp)
+/* Params are passed directly, offset is in bytes */
+SYS_FUNC(mmap)
{
- if (entering(tcp)) {
-#if defined(ALPHA)
- long *u_arg = tcp->u_arg;
-#else
- long u_arg[7];
- if (umoven(tcp, tcp->u_arg[0], sizeof u_arg,
- (char *) u_arg) == -1)
- return 0;
-#endif
- /* addr */
- if (!u_arg[0])
- tprints("NULL, ");
- else
- tprintf("%#lx, ", u_arg[0]);
- /* len */
- tprintf("%lu, ", u_arg[1]);
- /* prot */
- printflags(mmap_prot, u_arg[2], "PROT_???");
- tprints(", ");
- /* 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 */
- tprints(", ");
- printfd(tcp, u_arg[4]);
- /* offset */
-#if defined(ALPHA)
- printllval(tcp, ", %#llx", 5);
-#else
- /* NOTE: not verified that [5] and [6] should be used.
- * It's possible that long long is 64-bit aligned in memory
- * and we need to use [6] and [7] here instead:
- */
- tprintf(", %#llx", LONG_LONG(u_arg[5], u_arg[6]));
+ unsigned long long offset = (unsigned long) tcp->u_arg[5];
+#if defined(LINUX_MIPSN32) || defined(X32)
+ /* Try test/x32_mmap.c */
+ offset = tcp->ext_arg[5];
#endif
- }
- return RVAL_HEX;
-}
-#endif /* _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T */
+ /* 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, offset);
+ return RVAL_DECODED | RVAL_HEX;
+}
-int
-sys_munmap(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 = (unsigned long) tcp->u_arg[5];
+ offset *= get_pagesize();
+ print_mmap(tcp, tcp->u_arg, offset);
+
+ return RVAL_DECODED | RVAL_HEX;
}
-int
-sys_mprotect(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 = (unsigned long) tcp->u_arg[5];
+ offset <<= 12;
+ print_mmap(tcp, tcp->u_arg, offset);
+
+ return RVAL_DECODED | RVAL_HEX;
}
+SYS_FUNC(munmap)
+{
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %lu", 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)
+SYS_FUNC(mprotect)
{
- 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(", %lu, ", tcp->u_arg[1]);
+ printflags(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 },
-};
+ return RVAL_DECODED;
+}
+#include "xlat/mremap_flags.h"
-int
-sys_madvise(struct tcb *tcp)
+SYS_FUNC(mremap)
{
- if (entering(tcp)) {
- tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
- printxval(madvise_cmds, tcp->u_arg[2], "MADV_???");
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %lu, %lu, ", 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)) {
+ tprints(", ");
+ printaddr(tcp->u_arg[4]);
}
- return 0;
+#endif
+ return RVAL_DECODED | RVAL_HEX;
}
+#include "xlat/madvise_cmds.h"
-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)
+SYS_FUNC(madvise)
{
- if (entering(tcp)) {
- printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
- }
- return 0;
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %lu, ", tcp->u_arg[1]);
+ printxval(madvise_cmds, tcp->u_arg[2], "MADV_???");
+
+ return RVAL_DECODED;
}
+#include "xlat/mlockall_flags.h"
+SYS_FUNC(mlockall)
+{
+ printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
-#ifdef MS_ASYNC
+ return RVAL_DECODED;
+}
-static const struct xlat mctl_sync[] = {
-#ifdef MS_SYNC
- { MS_SYNC, "MS_SYNC" },
-#endif
- { MS_ASYNC, "MS_ASYNC" },
- { MS_INVALIDATE,"MS_INVALIDATE" },
- { 0, NULL },
-};
+#include "xlat/mctl_sync.h"
-int
-sys_msync(struct tcb *tcp)
+SYS_FUNC(msync)
{
- 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;
+ /* addr */
+ printaddr(tcp->u_arg[0]);
+ /* len */
+ tprintf(", %lu, ", tcp->u_arg[1]);
+ /* flags */
+ printflags(mctl_sync, tcp->u_arg[2], "MS_???");
+
+ return RVAL_DECODED;
}
-#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 },
-};
+#include "xlat/mlock_flags.h"
-int
-sys_mctl(struct tcb *tcp)
+SYS_FUNC(mlock2)
{
- int arg, function;
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %lu, ", tcp->u_arg[1]);
+ printflags(mlock_flags, tcp->u_arg[2], "MLOCK_???");
- 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];
- tprints(", ");
- 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 */
-
-int
-sys_mincore(struct tcb *tcp)
+SYS_FUNC(mincore)
{
if (entering(tcp)) {
- tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %lu, ", tcp->u_arg[1]);
} else {
unsigned long i, len;
char *vec = NULL;
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]);
+ 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 {
tprints("[");
for (i = 0; i < len; i++) {
return 0;
}
-#if defined(ALPHA) || defined(IA64) || defined(SPARC) || defined(SPARC64)
-int
-sys_getpagesize(struct tcb *tcp)
-{
- if (exiting(tcp))
- return RVAL_HEX;
- return 0;
-}
-#endif
-
-#if 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(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))
- tprints("...}");
- else {
- print_ldt_entry(©);
- }
- }
- 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], ©) != -1) {
- if (copy.entry_number == -1)
- tprintf("{entry_number:%d -> ",
- copy.entry_number);
- else
- tprints("{entry_number:");
- }
- } else {
- if (umove(tcp, tcp->u_arg[0], ©) != -1) {
- tprintf("%d, ", copy.entry_number);
- if (!verbose(tcp))
- tprints("...}");
- else {
- print_ldt_entry(©);
- }
- } 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], ©) != -1) {
- tprintf("{entry_number:%d, ", copy.entry_number);
- if (!verbose(tcp))
- tprints("...}");
- else {
- print_ldt_entry(©);
- }
- } else {
- tprintf("%lx", tcp->u_arg[0]);
- }
- }
- return 0;
-
-}
-#endif /* I386 */
-
-#if 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)
+#if defined ALPHA || defined IA64 || defined M68K \
+ || defined SPARC || defined SPARC64
+SYS_FUNC(getpagesize)
{
- return RVAL_HEX;
+ return RVAL_DECODED | RVAL_HEX;
}
#endif
-int
-sys_remap_file_pages(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]);
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %lu, ", 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);
+ 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_???");
+ printflags(mmap_flags, tcp->u_arg[4], "MAP_???");
#endif
- }
- return 0;
-}
+ return RVAL_DECODED;
+}
#define MPOL_DEFAULT 0
#define MPOL_PREFERRED 1
#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 }
-};
-
+#include "xlat/policies.h"
+#include "xlat/mbindflags.h"
+#include "xlat/mempolicyflags.h"
+#include "xlat/move_pages_flags.h"
static void
get_nodes(struct tcb *tcp, unsigned long ptr, unsigned long maxnodes, int err)
tprints("...");
break;
}
- if (umoven(tcp, cur, sizeof(n), (char *) &n) < 0) {
+ if (umoven(tcp, cur, sizeof(n), &n) < 0) {
tprints("?");
failed = 1;
break;
tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n);
}
tprints("}");
- if (failed)
- tprintf(" %#lx", ptr);
- } else
- tprintf(", %#lx", ptr);
+ if (failed) {
+ tprints(" ");
+ printaddr(ptr);
+ }
+ } else {
+ tprints(" ");
+ printaddr(ptr);
+ }
tprintf(", %lu", maxnodes);
}
-int
-sys_mbind(struct tcb *tcp)
+SYS_FUNC(mbind)
{
- 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);
- tprints(", ");
- printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
- }
- return 0;
+ printaddr(tcp->u_arg[0]);
+ tprintf(", %lu, ", tcp->u_arg[1]);
+ printxval(policies, tcp->u_arg[2], "MPOL_???");
+ get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
+ tprints(", ");
+ printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
+
+ return RVAL_DECODED;
}
-int
-sys_set_mempolicy(struct tcb *tcp)
+SYS_FUNC(set_mempolicy)
{
- if (entering(tcp)) {
- printxval(policies, tcp->u_arg[0], "MPOL_???");
- get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
- }
- return 0;
+ printxval(policies, tcp->u_arg[0], "MPOL_???");
+ get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
+
+ return RVAL_DECODED;
}
-int
-sys_get_mempolicy(struct tcb *tcp)
+SYS_FUNC(get_mempolicy)
{
if (exiting(tcp)) {
int pol;
- if (tcp->u_arg[0] == 0)
- tprints("NULL");
- else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &pol) < 0)
- tprintf("%#lx", tcp->u_arg[0]);
- else
+ if (!umove_or_printaddr(tcp, tcp->u_arg[0], &pol))
printxval(policies, pol, "MPOL_???");
get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
- tprintf(", %#lx, ", tcp->u_arg[3]);
+ tprints(", ");
+ printaddr(tcp->u_arg[3]);
+ tprints(", ");
printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???");
}
return 0;
}
-int
-sys_move_pages(struct tcb *tcp)
+SYS_FUNC(migrate_pages)
+{
+ tprintf("%ld, ", (long) (pid_t) tcp->u_arg[0]);
+ get_nodes(tcp, tcp->u_arg[2], tcp->u_arg[1], 0);
+ tprints(", ");
+ get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[1], 0);
+
+ return RVAL_DECODED;
+}
+
+SYS_FUNC(move_pages)
{
if (entering(tcp)) {
unsigned long npages = tcp->u_arg[1];
if (tcp->u_arg[2] == 0)
tprints("NULL, ");
else {
- int i;
+ unsigned int i;
long puser = tcp->u_arg[2];
tprints("{");
for (i = 0; i < npages; ++i) {
if (tcp->u_arg[3] == 0)
tprints("NULL, ");
else {
- int i;
+ unsigned int i;
long nodeuser = tcp->u_arg[3];
tprints("{");
for (i = 0; i < npages; ++i) {
}
tprints("}, ");
}
- }
- if (exiting(tcp)) {
+ } else {
unsigned long npages = tcp->u_arg[1];
if (tcp->u_arg[4] == 0)
tprints("NULL, ");
else {
- int i;
+ unsigned int i;
long statususer = tcp->u_arg[4];
tprints("{");
for (i = 0; i < npages; ++i) {
}
#if defined(POWERPC)
-int
-sys_subpage_prot(struct tcb *tcp)
+SYS_FUNC(subpage_prot)
{
- 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]) {
- tprints("{}");
- 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;
+ unsigned long cur, end, abbrev_end, entries;
+ unsigned int entry;
+
+ printaddr(tcp->u_arg[0]);
+ tprints(", ");
+ printaddr(tcp->u_arg[1]);
+ tprints(", ");
+ entries = tcp->u_arg[1] >> 16;
+ if (!entries || !tcp->u_arg[2]) {
+ tprints("{}");
+ return 0;
+ }
+ cur = tcp->u_arg[2];
+ end = cur + (sizeof(int) * entries);
+ if (!verbose(tcp) || end < (unsigned long) tcp->u_arg[2]) {
+ printaddr(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;
+ tprints("{");
+ for (; cur < end; cur += sizeof(int)) {
+ if (cur > (unsigned long) tcp->u_arg[2])
+ tprints(", ");
+ if (cur >= abbrev_end) {
+ tprints("...");
+ break;
}
- if (abbrev(tcp)) {
- abbrev_end = cur + (sizeof(int) * max_strlen);
- if (abbrev_end > end)
- abbrev_end = end;
+ if (umove(tcp, cur, &entry) < 0) {
+ tprintf("??? [%#lx]", cur);
+ break;
}
else
- abbrev_end = end;
- tprints("{");
- for (; cur < end; cur += sizeof(int)) {
- if (cur > tcp->u_arg[2])
- tprints(", ");
- if (cur >= abbrev_end) {
- tprints("...");
- break;
- }
- if (umove(tcp, cur, &entry) < 0) {
- tprintf("??? [%#lx]", cur);
- break;
- }
- else
- tprintf("%#08x", entry);
- }
- tprints("}");
+ tprintf("%#08x", entry);
}
+ tprints("}");
- return 0;
+ return RVAL_DECODED;
}
#endif