pull some win32 code into common code, add bitcode identification support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36846 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Path.cpp b/lib/System/Path.cpp
index 634ce5d..fcdc5ff 100644
--- a/lib/System/Path.cpp
+++ b/lib/System/Path.cpp
@@ -43,6 +43,10 @@
assert(magic && "Invalid magic number string");
assert(length >=4 && "Invalid magic number length");
switch (magic[0]) {
+ case 'B':
+ if (magic[1] == 'C' && magic[2] == (char)0xC0 && magic[3] == (char)0xDE)
+ return Bitcode_FileType;
+ break;
case 'l':
if (magic[1] == 'l' && magic[2] == 'v') {
if (magic[3] == 'c')
@@ -160,6 +164,31 @@
return LTDL_SHLIB_EXT;
}
+bool
+Path::isBytecodeFile() const {
+ std::string actualMagic;
+ if (!getMagicNumber(actualMagic, 4))
+ return false;
+ return actualMagic == "llvc" || actualMagic == "llvm";
+}
+
+bool
+Path::isBitcodeFile() const {
+ std::string actualMagic;
+ if (!getMagicNumber(actualMagic, 4))
+ return false;
+ return actualMagic == "BC\xC0\xDE";
+}
+
+bool Path::hasMagicNumber(const std::string &Magic) const {
+ std::string actualMagic;
+ if (getMagicNumber(actualMagic, Magic.size()))
+ return Magic == actualMagic;
+ return false;
+}
+
+
+
// Include the truly platform-specific parts of this class.
#if defined(LLVM_ON_UNIX)
#include "Unix/Path.inc"