linux: add Host/linux subdirectory

    
Start putting linux specific host code in its own directory.  For now, just
implement Host::GetOSVersion.

llvm-svn: 128133

4 files changed, 55 insertions, 1 deletions

diff --git a/lldb/lib/Makefile b/lldb/lib/Makefile
index 5cb956e0caa..d3398fa2c15 100644
--- a/lldb/lib/Makefile
+++ b/lldb/lib/Makefile
@@ -72,7 +72,8 @@ endif
 ifeq ($(HOST_OS),Linux)
   USEDLIBS += lldbPluginProcessLinux.a \
               lldbPluginDynamicLoaderLinux.a \
-              lldbPluginPlatformLinux.a
+              lldbPluginPlatformLinux.a \
+              lldbHostLinux.a
 endif
 
 include $(LEVEL)/Makefile.common
diff --git a/lldb/source/Host/Makefile b/lldb/source/Host/Makefile
index 63c7a5f34fe..b26528c2b69 100644
--- a/lldb/source/Host/Makefile
+++ b/lldb/source/Host/Makefile
@@ -17,4 +17,8 @@ ifeq ($(HOST_OS),Darwin)
 DIRS += macosx
 endif
 
+ifeq ($(HOST_OS),Linux)
+DIRS += linux
+endif
+
 include $(LLDB_LEVEL)/Makefile
diff --git a/lldb/source/Host/linux/Host.cpp b/lldb/source/Host/linux/Host.cpp
new file mode 100644
index 00000000000..b0d43e87de6
--- /dev/null
+++ b/lldb/source/Host/linux/Host.cpp
@@ -0,0 +1,35 @@
+//===-- source/Host/linux/Host.cpp ------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// C Includes
+#include <stdio.h>
+#include <sys/utsname.h>
+
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Host/Host.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+bool
+Host::GetOSVersion(uint32_t &major, 
+                   uint32_t &minor, 
+                   uint32_t &update)
+{
+    struct utsname un;
+    int status;
+
+    if (uname(&un))
+        return false;
+
+    status = sscanf(un.release, "%u.%u.%u", &major, &minor, &update);
+     return status == 3;
+}
diff --git a/lldb/source/Host/linux/Makefile b/lldb/source/Host/linux/Makefile
new file mode 100644
index 00000000000..bd6d7e4fff8
--- /dev/null
+++ b/lldb/source/Host/linux/Makefile
@@ -0,0 +1,14 @@
+##===- source/Host/linux/Makefile --------------------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+
+LLDB_LEVEL := ../../..
+LIBRARYNAME := lldbHostLinux
+BUILD_ARCHIVE = 1
+
+include $(LLDB_LEVEL)/Makefile