Add function to deal with mprotecting RW and back. A bit more complex than the minimum would be...

(and minor build fixes)

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/substitute.h b/lib/substitute.h
index ada57f2..95f8436 100644
--- a/lib/substitute.h
+++ b/lib/substitute.h
@@ -39,6 +39,7 @@ enum {
 
     /* substitute_hook_functions:    mmap or mprotect failure other than ENOMEM
      *                               (preserved in errno on return)
+     * substitute_hook_functions:    vm_region failure (errno = 0)
      * substitute_hook_objc_message: vm_remap failure
      * Most likely to come up with substitute_hook_functions if the kernel is
      * preventing pages from being marked executable. */