From: Paul Floyd <pjfloyd@wanadoo.fr>
Date: Sat, 18 Nov 2023 07:30:56 +0000 (+0100)
Subject: FreeBSD: make warnings about casting away volatile go away
X-Git-Tag: VALGRIND_3_23_0~260
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5d297459e6125a31a49c77e617ede7332049b3ad;p=thirdparty%2Fvalgrind.git

FreeBSD: make warnings about casting away volatile go away
---

diff --git a/coregrind/m_syswrap/syswrap-freebsd.c b/coregrind/m_syswrap/syswrap-freebsd.c
index 9371fed0f1..0524044797 100644
--- a/coregrind/m_syswrap/syswrap-freebsd.c
+++ b/coregrind/m_syswrap/syswrap-freebsd.c
@@ -6886,7 +6886,15 @@ PRE(sys_aio_writev)
          // by the members of the iocb->aio_iov array
          // FreeBSD headers #define define this to aio_iovcnt
          SizeT vec_count = (SizeT)iocb->aio_nbytes;
+#if defined(__clang__)
+#pragma clang diagnostic push
+         // yes, I know it is volatile
+#pragma clang diagnostic ignored "-Wcast-qual"
+#endif
          struct vki_iovec* p_iovec  = (struct vki_iovec*)iocb->aio_buf;
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif
          PRE_MEM_READ("aio_writev(iocb->aio_iov)", (Addr)p_iovec, vec_count*sizeof(struct vki_iovec));
          // and this to aio_iov
 
@@ -6915,7 +6923,15 @@ PRE(sys_aio_readv)
          SET_STATUS_Failure( VKI_EBADF );
       } else {
          SizeT vec_count = (SizeT)iocb->aio_nbytes;
+#if defined(__clang__)
+#pragma clang diagnostic push
+         // yes, I know it is volatile
+#pragma clang diagnostic ignored "-Wcast-qual"
+#endif
          struct vki_iovec* p_iovec  = (struct vki_iovec*)iocb->aio_buf;
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif
          PRE_MEM_READ("aio_readv(iocb->aio_iov)", (Addr)p_iovec,  vec_count*sizeof(struct vki_iovec));
          // @todo PJF check that p_iovec is accessible
          if (ML_(safe_to_deref)(p_iovec, vec_count*sizeof(struct vki_iovec*))) {