X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=libiberty%2Fsimple-object-xcoff.c;h=d874de258f5ed7c455f79a0768077e447eca7004;hb=0fc2a808cbf5302016535367191bb8cd0900f332;hp=9a8f581563f0e9c83828c3ec1742e4773c37a2a0;hpb=f8ad2513754f5a53fecb407cf64fcb586836b60c;p=deliverable%2Fbinutils-gdb.git

diff --git a/libiberty/simple-object-xcoff.c b/libiberty/simple-object-xcoff.c
index 9a8f581563..d874de258f 100644
--- a/libiberty/simple-object-xcoff.c
+++ b/libiberty/simple-object-xcoff.c
@@ -1,5 +1,5 @@
 /* simple-object-coff.c -- routines to manipulate XCOFF object files.
-   Copyright (C) 2013-2017 Free Software Foundation, Inc.
+   Copyright (C) 2013-2020 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Google and David Edelsohn, IBM.
 
 This program is free software; you can redistribute it and/or modify it
@@ -596,15 +596,24 @@ simple_object_xcoff_find_sections (simple_object_read *sobj,
 	      aux = (unsigned char *) auxent;
 	      if (u64)
 		{
+		  /* Use an intermediate 64-bit type to avoid
+		     compilation warning about 32-bit shift below on
+		     hosts with 32-bit off_t which aren't supported by
+		     AC_SYS_LARGEFILE.  */
+		  ulong_type x_scnlen64;
+
 		  if ((auxent->u.xcoff64.x_csect.x_smtyp & 0x7) != XTY_SD
 		      || auxent->u.xcoff64.x_csect.x_smclas != XMC_XO)
 		    continue;
 
-		  x_scnlen = fetch_32 (aux + offsetof (union external_auxent,
-						       u.xcoff64.x_csect.x_scnlen_hi));
-		  x_scnlen = x_scnlen << 32
-			   | fetch_32 (aux + offsetof (union external_auxent,
-						       u.xcoff64.x_csect.x_scnlen_lo));
+		  x_scnlen64 = 
+		    fetch_32 (aux + offsetof (union external_auxent,
+					      u.xcoff64.x_csect.x_scnlen_hi));
+		  x_scnlen = 
+		    ((x_scnlen64 << 32)
+		     | fetch_32 (aux
+				 + offsetof (union external_auxent,
+					     u.xcoff64.x_csect.x_scnlen_lo)));
 		}
 	      else
 		{