From f3a3ab7f2cfdae687a1dc07dff10c7fa4bde921c Mon Sep 17 00:00:00 2001
From: Michael Adler <Michael.Adler@intel.com>
Date: Thu, 24 Jul 2008 16:31:33 -0700
Subject: [PATCH] syscall: Fix TTY emulation in fstat() user-mode simulation
 for fd 1 (stdout). The code didn't set S_IFCHR in the st_mode

---
 src/sim/syscall_emul.hh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index 6dafee34c..caf269918 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -380,6 +380,11 @@ convertStatBuf(target_stat &tgt, host_stat *host, bool fakeTTY = false)
     tgt->st_ino = host->st_ino;
     tgt->st_ino = htog(tgt->st_ino);
     tgt->st_mode = host->st_mode;
+    if (fakeTTY) {
+        // Claim to be a character device
+        tgt->st_mode &= ~S_IFMT;    // Clear S_IFMT
+        tgt->st_mode |= S_IFCHR;    // Set S_IFCHR
+    }
     tgt->st_mode = htog(tgt->st_mode);
     tgt->st_nlink = host->st_nlink;
     tgt->st_nlink = htog(tgt->st_nlink);
-- 
2.30.2