#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;
}
#if defined(POWERPC)
+static bool
+print_protmap_entry(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
+{
+ tprintf("%#08x", * (unsigned int *) elem_buf);
+
+ return true;
+}
+
SYS_FUNC(subpage_prot)
{
- unsigned long cur, end, abbrev_end, entries;
- unsigned int entry;
+ 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];
- 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("}");
+ printaddr(addr);
+ tprintf(", %lu, ", len);
+
+ unsigned int entry;
+ print_array(tcp, map, nmemb, &entry, sizeof(entry),
+ umoven_or_printaddr, print_protmap_entry, 0);
return RVAL_DECODED;
}
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