9 static void dummy(void) { }
10 weak_alias(dummy, __vm_wait);
12 #define UNIT SYSCALL_MMAP2_UNIT
13 #define OFF_MASK ((-0x2000ULL << (8*sizeof(syscall_arg_t)-1)) | (UNIT-1))
15 void *__mmap(void *start, size_t len, int prot, int flags, int fd, off_t off)
22 if (len >= PTRDIFF_MAX) {
26 if (flags & MAP_FIXED) {
30 ret = __syscall(SYS_mmap2, start, len, prot, flags, fd, off/UNIT);
32 ret = __syscall(SYS_mmap, start, len, prot, flags, fd, off);
34 /* Fixup incorrect EPERM from kernel. */
35 if (ret == -EPERM && !start && (flags&MAP_ANON) && !(flags&MAP_FIXED))
37 return (void *)__syscall_ret(ret);
40 weak_alias(__mmap, mmap);