void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
{
- static int hugetlb_disabled;
+ static int hugetlb_warned;
int prot = PROT_READ | PROT_WRITE;
int flags = MAP_PRIVATE | MAP_ANONYMOUS;
void *req, *ret;
prot |= PROT_EXEC;
if (is_fixed)
flags |= MAP_FIXED;
- if (size >= HUGETLB_THRESHOLD && !hugetlb_disabled)
+ if (size >= HUGETLB_THRESHOLD)
flags |= MAP_HUGETLB;
ret = mmap(req, size, prot, flags, -1, 0);
if (ret == MAP_FAILED && (flags & MAP_HUGETLB)) {
- fprintf(stderr,
- "warning: failed to do hugetlb mmap (%p, %zu): %d\n",
- req, size, errno);
- hugetlb_disabled = 1;
+ if (!hugetlb_warned) {
+ fprintf(stderr,
+ "warning: failed to do hugetlb mmap (%p, %zu): %d\n",
+ req, size, errno);
+ hugetlb_warned = 1;
+ }
flags &= ~MAP_HUGETLB;
ret = mmap(req, size, prot, flags, -1, 0);
}
}
}
+int plat_mem_set_exec(void *ptr, size_t size)
+{
+ int ret = mprotect(ptr, size, PROT_READ | PROT_WRITE | PROT_EXEC);
+ if (ret != 0)
+ fprintf(stderr, "mprotect(%p, %zd) failed: %d\n",
+ ptr, size, errno);
+
+ return ret;
+}
+
/* lprintf */
void lprintf(const char *fmt, ...)
{