4 files changed, 16 insertions, 8 deletions
diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index 879aac9..b360ebd 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,5 +1,13 @@
 2021-05-14  Mike Frysinger  <vapier@gentoo.org>
 
+	* callback.c (os_lseek): Change return and 3rd arg to int64_t.
+	(os_ftruncate): Change 3rd arg to int64_t.
+	(os_truncate): Change 3rd arg to int64_t.
+	* sim-io.c (sim_io_lseek): Change return and 3rd arg to int64_t.
+	* sim-io.h (sim_io_lseek): Likewise.
+
+2021-05-14  Mike Frysinger  <vapier@gentoo.org>
+
 	* callback.c (os_time): Change return to int64_t.  Delete 2nd arg.
 	(os_fstat): Delete 2nd arg to time callback.
 	* sim-io.c (sim_io_time): Change return to int64_t.  Delete 2nd arg
diff --git a/sim/common/callback.c b/sim/common/callback.c
index fb5e864..24ea470 100644
--- a/sim/common/callback.c
+++ b/sim/common/callback.c
@@ -205,10 +205,10 @@ os_isatty (host_callback *p, int fd)
   return result;
 }
 
-static int
-os_lseek (host_callback *p, int fd, long off, int way)
+static int64_t
+os_lseek (host_callback *p, int fd, int64_t off, int way)
 {
-  int result;
+  int64_t result;
 
   result = fdbad (p, fd);
   if (result)
@@ -519,7 +519,7 @@ os_lstat (host_callback *p, const char *file, struct stat *buf)
 }
 
 static int
-os_ftruncate (host_callback *p, int fd, long len)
+os_ftruncate (host_callback *p, int fd, int64_t len)
 {
   int result;
 
@@ -542,7 +542,7 @@ os_ftruncate (host_callback *p, int fd, long len)
 }
 
 static int
-os_truncate (host_callback *p, const char *file, long len)
+os_truncate (host_callback *p, const char *file, int64_t len)
 {
 #ifdef HAVE_TRUNCATE
   int result;
diff --git a/sim/common/sim-io.c b/sim/common/sim-io.c
index e5da7f1..edef26e 100644
--- a/sim/common/sim-io.c
+++ b/sim/common/sim-io.c
@@ -211,10 +211,10 @@ sim_io_open (SIM_DESC sd,
 }
 
 
-int
+int64_t
 sim_io_lseek (SIM_DESC sd,
 	      int fd,
-	      long off,
+	      int64_t off,
 	      int way)
 {
   return STATE_CALLBACK (sd)->lseek (STATE_CALLBACK (sd), fd, off, way);
diff --git a/sim/common/sim-io.h b/sim/common/sim-io.h
index a091fd0..a78e8f5 100644
--- a/sim/common/sim-io.h
+++ b/sim/common/sim-io.h
@@ -53,7 +53,7 @@ int sim_io_read (SIM_DESC sd, int, char *, int);
 
 int sim_io_open (SIM_DESC sd, const char *, int);
 
-int sim_io_lseek (SIM_DESC sd, int, long, int);
+int64_t sim_io_lseek (SIM_DESC sd, int, int64_t, int);
 
 int sim_io_isatty (SIM_DESC sd, int);