Implement _CONFIG macro to allow users to se to configuration settings on the part.

Implement _section macro to allow users to place objects in specific sections.
Implement _address macro to allow users to place objects at a particular address.
Placing objects at a memory address:
crate a unique section name from varname, address, object type and put that section at specified address. Mark this section a full (size = banksize) so that other objects do not compete for it while placing objects to sections in AsmPrinter.

llvm-svn: 74822

1 files changed, 11 insertions, 0 deletions

diff --git a/llvm/lib/CompilerDriver/Main.cpp b/llvm/lib/CompilerDriver/Main.cpp
index 7d1a3d8fbc4..f4cacb38f18 100644
--- a/llvm/lib/CompilerDriver/Main.cpp
+++ b/llvm/lib/CompilerDriver/Main.cpp
@@ -31,6 +31,17 @@ namespace {
   sys::Path getTempDir() {
     sys::Path tempDir;
 
+/////////////////////////////////////////////
+    std::string p = "tmp-objs";
+    tempDir = sys::Path(p);
+      if (!tempDir.exists()) {
+        std::string ErrMsg;
+        if (tempDir.createDirectoryOnDisk(true, &ErrMsg))
+          throw std::runtime_error(ErrMsg);
+      }
+    return tempDir;
+/////////////////////////////////////////////
+
     // GCC 4.5-style -save-temps handling.
     if (SaveTemps == SaveTempsEnum::Unset) {
       tempDir = sys::Path::GetTemporaryDirectory();