add support for klee-replay on OSX

* also adds klee-replay as dependency for systemtests

4 files changed, 36 insertions, 17 deletions

diff --git a/tools/klee-replay/CMakeLists.txt b/tools/klee-replay/CMakeLists.txt
index e0eb8d07..6388df50 100644
--- a/tools/klee-replay/CMakeLists.txt
+++ b/tools/klee-replay/CMakeLists.txt
@@ -6,7 +6,7 @@
 # License. See LICENSE.TXT for details.
 #
 #===------------------------------------------------------------------------===#
-if (HAVE_PTY_H)
+if (HAVE_PTY_H OR HAVE_UTIL_H)
   add_executable(klee-replay
     fd_init.c
     file-creator.c
@@ -15,16 +15,10 @@ if (HAVE_PTY_H)
   )
 
   target_link_libraries(klee-replay PRIVATE kleeBasic ${LIBCAP_LIBRARIES})
-  # FIXME: This isn't quite right. This is actually an implementation detail
-  # of glibc not Linux. Really we need to test if we can use `openpty()`
-  # with/without an additional library.
-  if ("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
-    if (NOT LIBUTIL_LIBRARIES)
-      message(FATAL_ERROR "klee-replay needs libutil under Linux")
-    endif()
+  if (openpty_in_libutil)
     target_link_libraries(klee-replay PRIVATE ${LIBUTIL_LIBRARIES})
-  endif()
-install(TARGETS klee-replay RUNTIME DESTINATION bin)
+  endif (openpty_in_libutil)
+  install(TARGETS klee-replay RUNTIME DESTINATION bin)
 else()
-  message(WARNING "Not building klee-replay due to missing \"pty.h\" header file")
+  message(WARNING "Not building klee-replay due to missing library for pty functions.")
 endif()
diff --git a/tools/klee-replay/file-creator.c b/tools/klee-replay/file-creator.c
index 505fb8d7..714a1112 100644
--- a/tools/klee-replay/file-creator.c
+++ b/tools/klee-replay/file-creator.c
@@ -17,13 +17,23 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
-#include <termios.h>
-#include <pty.h>
 #include <time.h>
 #include <sys/wait.h>
 #include <sys/time.h>
 #include <assert.h>
 
+#ifdef HAVE_PTY_H
+#include <pty.h>
+#elif defined(HAVE_UTIL_H)
+#include <util.h>
+#endif
+
+#if defined(__APPLE__)
+#include <sys/termios.h>
+#else
+#include <termios.h>
+#endif
+
 static void create_file(int target_fd, 
                        const char *target_name, 
                        exe_disk_file_t *dfile,
@@ -105,7 +115,9 @@ static int create_char_dev(const char *fname, exe_disk_file_t *dfile,
   ts->c_oflag = 5;
   ts->c_cflag = 1215;
   ts->c_lflag = 35287;
+#ifndef __APPLE__
   ts->c_line = 0;
+#endif
   ts->c_cc[0] = '\x03';
   ts->c_cc[1] = '\x1c';
   ts->c_cc[2] = '\x7f';
@@ -152,16 +164,20 @@ static int create_char_dev(const char *fname, exe_disk_file_t *dfile,
 
       fprintf(stderr, "note: pty slave: setting raw mode\n");
       {
-        struct termio mode;
+        struct termios mode;
         
-        int res = ioctl(aslave, TCGETA, &mode);
+        int res = tcgetattr(aslave, &mode);
         assert(!res);
         mode.c_iflag = IGNBRK;
+#if defined(__APPLE__)
+        mode.c_oflag &= ~(ONLCR | OCRNL | ONLRET);
+#else
         mode.c_oflag &= ~(OLCUC | ONLCR | OCRNL | ONLRET);
+#endif
         mode.c_lflag = 0;
         mode.c_cc[VMIN] = 1;
         mode.c_cc[VTIME] = 0;
-        res = ioctl(aslave, TCSETA, &mode);
+        res = tcsetattr(aslave, TCSANOW, &mode);
         assert(res == 0);
       }
 
diff --git a/tools/klee-replay/klee-replay.c b/tools/klee-replay/klee-replay.c
index 6b4fb8f4..150a82e8 100644
--- a/tools/klee-replay/klee-replay.c
+++ b/tools/klee-replay/klee-replay.c
@@ -22,9 +22,17 @@
 #include <errno.h>
 #include <time.h>
 #include <unistd.h>
-#include <sys/signal.h>
+
 #include <sys/wait.h>
 
+#if defined(__APPLE__)
+#include <signal.h>
+#define fgetc_unlocked(x) fgetc (x)
+#define fputc_unlocked(x,y) fputc (x,y)
+#else
+#include <sys/signal.h>
+#endif
+
 #ifdef HAVE_SYS_CAPABILITY_H
 #include <sys/capability.h>
 #endif
diff --git a/tools/klee-replay/klee-replay.h b/tools/klee-replay/klee-replay.h
index 668b5e3e..09cb6603 100644
--- a/tools/klee-replay/klee-replay.h
+++ b/tools/klee-replay/klee-replay.h
@@ -13,6 +13,7 @@
 #define _LARGEFILE64_SOURCE
 #define _FILE_OFFSET_BITS 64
 
+#include "klee/Config/config.h"
 // FIXME: This is a hack.
 #include "../../runtime/POSIX/fd.h"
 #include <sys/time.h>