add plat_mem_set_exec()

[libpicofe.git] / linux / plat.c

diff --git a/linux/plat.c b/linux/plat.c
index 04ebd12..c34beea 100644 (file)
--- a/linux/plat.c
+++ b/linux/plat.c
@@ -200,6 +200,16 @@ void plat_munmap(void *ptr, size_t size)
        }
 }
 
+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, ...)
 {