8 static void dummy(void) { }
9 weak_alias(dummy, __vm_wait);
11 #define UNIT SYSCALL_MMAP2_UNIT
12 #define OFF_MASK ((-0x2000ULL << (8*sizeof(syscall_arg_t)-1)) | (UNIT-1))
14 void *__mmap(void *start, size_t len, int prot, int flags, int fd, off_t off)
21 if (len >= PTRDIFF_MAX) {
25 if (flags & MAP_FIXED) {
29 ret = __syscall(SYS_mmap2, start, len, prot, flags, fd, off/UNIT);
31 ret = __syscall(SYS_mmap, start, len, prot, flags, fd, off);
33 /* Fixup incorrect EPERM from kernel. */
34 if (ret == -EPERM && !start && (flags&MAP_ANON) && !(flags&MAP_FIXED))
36 return (void *)__syscall_ret(ret);
39 weak_alias(__mmap, mmap);
41 weak_alias(mmap, mmap64);