Remove unused function sys_mmap64

No wonder that it is unused.
It's code looked quite questionable.

* mem.c (sys_mmap64): Remove this function.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2013-02-18 15:49:57 +01:00
parent 8435d672eb
commit afd0072c37

53
mem.c
View File

@ -300,59 +300,6 @@ sys_mmap(struct tcb *tcp)
return print_mmap(tcp, tcp->u_arg, offset);
}
#if _LFS64_LARGEFILE
/* 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)
{
if (entering(tcp)) {
#if defined(ALPHA) || defined(X32)
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) || defined(X32)
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]));
#endif
}
return RVAL_HEX;
}
#endif
int
sys_munmap(struct tcb *tcp)
{