commit cd76334a2a6de9dcbf7be1133405f84905de0b48
author Richard Cooper <richard.cooper@arm.com> Tue Mar 23 11:38:40 2021 +0000
committer Richard Cooper <richard.cooper@arm.com> Thu Jul 08 08:48:08 2021 +0000
tree 77eb25f330a39dadefa319ee42aa6e1a832ed604
parent ebb6c4b99b0f1604d62bceea6fb582a5b54076bd

sim-se: Fix for build error in MacOS.

On MacOS the build fails because the types of readfds, writefds, and
errorfds cannot be automatically converted to fd_set*. Added casts
similar to the ones used for the FD_ZERO calls to help the compiler.

Change-Id: I40a2268f7f2ca1bece1ecafda52dfddf2212364d
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/47759
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>

src/sim/syscall_emul.hh

diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index 802f547..aa02fd6 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -2377,13 +2377,19 @@
      */
     for (int i = 0; i < nfds_h; i++) {
         if (readfds && FD_ISSET(i, &readfds_h))
-            FD_SET(trans_map[i], readfds);
+            FD_SET(trans_map[i],
+                   reinterpret_cast<fd_set *>(
+                       (typename OS::fd_set *)readfds));
 
         if (writefds && FD_ISSET(i, &writefds_h))
-            FD_SET(trans_map[i], writefds);
+            FD_SET(trans_map[i],
+                   reinterpret_cast<fd_set *>(
+                       (typename OS::fd_set *)writefds));
 
         if (errorfds && FD_ISSET(i, &errorfds_h))
-            FD_SET(trans_map[i], errorfds);
+            FD_SET(trans_map[i],
+                   reinterpret_cast<fd_set *>(
+                       (typename OS::fd_set *)errorfds));
     }
 
     return retval;