#include "xlat/mmap_flags.h"
static void
-print_mmap(struct tcb *tcp, long *u_arg, unsigned long long offset)
+print_mmap(struct tcb *tcp, kernel_ureg_t *u_arg, unsigned long long offset)
{
- const unsigned long addr = u_arg[0];
- const unsigned long len = u_arg[1];
- const unsigned long prot = u_arg[2];
- const unsigned long flags = u_arg[3];
+ const kernel_ureg_t addr = u_arg[0];
+ const kernel_ureg_t len = u_arg[1];
+ const kernel_ureg_t prot = u_arg[2];
+ const kernel_ureg_t flags = u_arg[3];
const int fd = u_arg[4];
printaddr(addr);
tprintf(", %lu, ", len);
- printflags(mmap_prot, prot, "PROT_???");
+ printflags64(mmap_prot, prot, "PROT_???");
tprints(", ");
#ifdef MAP_TYPE
- printxval(mmap_flags, flags & MAP_TYPE, "MAP_???");
+ printxval64(mmap_flags, flags & MAP_TYPE, "MAP_???");
addflags(mmap_flags, flags & ~MAP_TYPE);
#else
- printflags(mmap_flags, flags, "MAP_???");
+ printflags64(mmap_flags, flags, "MAP_???");
#endif
tprints(", ");
printfd(tcp, fd);
/* Params are pointed to by u_arg[0], offset is in bytes */
SYS_FUNC(old_mmap)
{
- long u_arg[6];
-# if defined AARCH64 || defined X86_64
+ kernel_ureg_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))
if (umove_or_printaddr(tcp, tcp->u_arg[0], &u_arg))
return RVAL_DECODED | RVAL_HEX;
# endif
- print_mmap(tcp, u_arg, (unsigned long) u_arg[5]);
+ print_mmap(tcp, u_arg, u_arg[5]);
return RVAL_DECODED | RVAL_HEX;
}
#endif /* old_mmap architectures */
-#if defined(S390)
+#ifdef S390
/* Params are pointed to by u_arg[0], offset is in pages */
SYS_FUNC(old_mmap_pgoff)
{
- long u_arg[5];
+ kernel_ureg_t u_arg[5];
int i;
- unsigned narrow_arg[6];
+ unsigned int narrow_arg[6];
unsigned long long offset;
- if (umoven(tcp, tcp->u_arg[0], sizeof(narrow_arg), narrow_arg) == -1)
- return 0;
+ 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] = (unsigned long) narrow_arg[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
+#endif /* S390 */
/* Params are passed directly, offset is in bytes */
SYS_FUNC(mmap)
{
- 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];
+ unsigned long long offset =
+#if HAVE_STRUCT_TCB_EXT_ARG
+ tcp->ext_arg[5]; /* try test/x32_mmap.c */
+#else
+ tcp->u_arg[5];
#endif
/* Example of kernel-side handling of this variety of mmap:
* arch/x86/kernel/sys_x86_64.c::SYSCALL_DEFINE6(mmap, ...) calls
{
/* Try test/mmap_offset_decode.c */
unsigned long long offset;
- offset = (unsigned long) tcp->u_arg[5];
+ offset = tcp->u_arg[5];
offset *= get_pagesize();
print_mmap(tcp, tcp->u_arg, offset);
SYS_FUNC(mmap_4koff)
{
unsigned long long offset;
- offset = (unsigned long) tcp->u_arg[5];
+ offset = tcp->u_arg[5];
offset <<= 12;
print_mmap(tcp, tcp->u_arg, offset);
return RVAL_DECODED;
}
-SYS_FUNC(mprotect)
+static int
+do_mprotect(struct tcb *tcp, bool has_pkey)
{
- printaddr(tcp->u_arg[0]);
- tprintf(", %lu, ", tcp->u_arg[1]);
- printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
+ printaddr_klu(getarg_klu(tcp, 0));
+ tprintf(", %" PRI_klu ", ", getarg_klu(tcp, 1));
+ printflags64(mmap_prot, getarg_klu(tcp, 2), "PROT_???");
+
+ if (has_pkey)
+ tprintf(", %d", (int) tcp->u_arg[3]);
return RVAL_DECODED;
}
+SYS_FUNC(mprotect)
+{
+ return do_mprotect(tcp, false);
+}
+
+SYS_FUNC(pkey_mprotect)
+{
+ return do_mprotect(tcp, true);
+}
+
#include "xlat/mremap_flags.h"
SYS_FUNC(mremap)
{
printaddr(tcp->u_arg[0]);
tprintf(", %lu, %lu, ", tcp->u_arg[1], tcp->u_arg[2]);
- printflags(mremap_flags, tcp->u_arg[3], "MREMAP_???");
+ printflags64(mremap_flags, tcp->u_arg[3], "MREMAP_???");
#ifdef MREMAP_FIXED
if ((tcp->u_arg[3] & (MREMAP_MAYMOVE | MREMAP_FIXED)) ==
(MREMAP_MAYMOVE | MREMAP_FIXED)) {
unsigned long i;
tprints("[");
for (i = 0; i < len; i++) {
+ if (i)
+ tprints(", ");
if (abbrev(tcp) && i >= max_strlen) {
tprints("...");
break;
SYS_FUNC(remap_file_pages)
{
- const unsigned long addr = tcp->u_arg[0];
- const unsigned long size = tcp->u_arg[1];
- const unsigned long prot = tcp->u_arg[2];
- const unsigned long pgoff = tcp->u_arg[3];
- const unsigned long flags = tcp->u_arg[4];
+ const kernel_ureg_t addr = tcp->u_arg[0];
+ const kernel_ureg_t size = tcp->u_arg[1];
+ const kernel_ureg_t prot = tcp->u_arg[2];
+ const kernel_ureg_t pgoff = tcp->u_arg[3];
+ const kernel_ureg_t flags = tcp->u_arg[4];
printaddr(addr);
tprintf(", %lu, ", size);
- printflags(mmap_prot, prot, "PROT_???");
+ printflags64(mmap_prot, prot, "PROT_???");
tprintf(", %lu, ", pgoff);
#ifdef MAP_TYPE
- printxval(mmap_flags, flags & MAP_TYPE, "MAP_???");
+ printxval64(mmap_flags, flags & MAP_TYPE, "MAP_???");
addflags(mmap_flags, flags & ~MAP_TYPE);
#else
- printflags(mmap_flags, flags, "MAP_???");
+ printflags64(mmap_flags, flags, "MAP_???");
#endif
return RVAL_DECODED;
}
-#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)
-
-#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)
-{
- 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;
- }
- tprints(", {");
- for (cur = ptr; cur < end; cur += sizeof(long)) {
- if (cur > ptr)
- tprints(", ");
- if (cur >= abbrev_end) {
- tprints("...");
- break;
- }
- if (umoven(tcp, cur, sizeof(n), &n) < 0) {
- tprints("?");
- failed = 1;
- break;
- }
- tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n);
- }
- tprints("}");
- if (failed) {
- tprints(" ");
- printaddr(ptr);
- }
- } else {
- tprints(" ");
- printaddr(ptr);
- }
- tprintf(", %lu", maxnodes);
-}
-
-SYS_FUNC(mbind)
-{
- 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;
-}
-
-SYS_FUNC(set_mempolicy)
+#if defined(POWERPC)
+static bool
+print_protmap_entry(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
{
- printxval(policies, tcp->u_arg[0], "MPOL_???");
- get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
+ tprintf("%#08x", * (unsigned int *) elem_buf);
- return RVAL_DECODED;
-}
-
-SYS_FUNC(get_mempolicy)
-{
- if (exiting(tcp)) {
- int pol;
- 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));
- tprints(", ");
- printaddr(tcp->u_arg[3]);
- tprints(", ");
- printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???");
- }
- return 0;
+ return true;
}
-SYS_FUNC(migrate_pages)
+SYS_FUNC(subpage_prot)
{
- 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;
-}
+ kernel_ureg_t addr = tcp->u_arg[0];
+ kernel_ureg_t len = tcp->u_arg[1];
+ kernel_ureg_t nmemb = len >> 16;
+ kernel_ureg_t map = tcp->u_arg[2];
-SYS_FUNC(move_pages)
-{
- if (entering(tcp)) {
- unsigned long npages = tcp->u_arg[1];
- tprintf("%ld, %lu, ", tcp->u_arg[0], npages);
- if (tcp->u_arg[2] == 0)
- tprints("NULL, ");
- else {
- unsigned int i;
- long puser = tcp->u_arg[2];
- tprints("{");
- for (i = 0; i < npages; ++i) {
- void *p;
- if (i > 0)
- tprints(", ");
- if (umove(tcp, puser, &p) < 0) {
- tprints("???");
- break;
- }
- tprintf("%p", p);
- puser += sizeof(void *);
- }
- tprints("}, ");
- }
- if (tcp->u_arg[3] == 0)
- tprints("NULL, ");
- else {
- unsigned int i;
- long nodeuser = tcp->u_arg[3];
- tprints("{");
- for (i = 0; i < npages; ++i) {
- int node;
- if (i > 0)
- tprints(", ");
- if (umove(tcp, nodeuser, &node) < 0) {
- tprints("???");
- break;
- }
- tprintf("%#x", node);
- nodeuser += sizeof(int);
- }
- tprints("}, ");
- }
- } else {
- unsigned long npages = tcp->u_arg[1];
- if (tcp->u_arg[4] == 0)
- tprints("NULL, ");
- else {
- unsigned int i;
- long statususer = tcp->u_arg[4];
- tprints("{");
- for (i = 0; i < npages; ++i) {
- int status;
- if (i > 0)
- tprints(", ");
- if (umove(tcp, statususer, &status) < 0) {
- tprints("???");
- break;
- }
- tprintf("%#x", status);
- statususer += sizeof(int);
- }
- tprints("}, ");
- }
- printflags(move_pages_flags, tcp->u_arg[5], "MPOL_???");
- }
- return 0;
-}
+ printaddr(addr);
+ tprintf(", %lu, ", len);
-#if defined(POWERPC)
-SYS_FUNC(subpage_prot)
-{
- 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 (umove(tcp, cur, &entry) < 0) {
- tprintf("??? [%#lx]", cur);
- break;
- }
- else
- tprintf("%#08x", entry);
- }
- tprints("}");
+ print_array(tcp, map, nmemb, &entry, sizeof(entry),
+ umoven_or_printaddr, print_protmap_entry, 0);
return RVAL_DECODED;
}
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