Changes in directory llvm/lib/System:
Path.cpp updated: 1.26 -> 1.27
---
Log message:
pull some win32 code into common code, add bitcode identification support.
---
Diffs of the changes: (+29 -0)
Path.cpp | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+)
Index: llvm/lib/System/Path.cpp
diff -u llvm/lib/System/Path.cpp:1.26 llvm/lib/System/Path.cpp:1.27
--- llvm/lib/System/Path.cpp:1.26 Thu May 3 13:15:56 2007
+++ llvm/lib/System/Path.cpp Sun May 6 00:32:21 2007
@@ -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"
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