[cfe-commits] [patch] profiling support for OpenBSD

[Jonathan Gray]

The following lets profiling work on OpenBSD.  While here
fix the symbol prefix to be empty rather than an underscore.

Index: lib/Basic/Targets.cpp
===================================================================
--- lib/Basic/Targets.cpp	(revision 146203)
+++ lib/Basic/Targets.cpp	(working copy)
@@ -371,7 +371,26 @@
   }
 public:
   OpenBSDTargetInfo(const std::string &triple)
-    : OSTargetInfo<Target>(triple) {}
+    : OSTargetInfo<Target>(triple) {
+      this->UserLabelPrefix = "";
+
+      llvm::Triple Triple(triple);
+      switch (Triple.getArch()) {
+        default:
+        case llvm::Triple::x86:
+        case llvm::Triple::x86_64:
+        case llvm::Triple::arm:
+	case llvm::Triple::sparc:
+          this->MCountName = "__mcount";
+          break;
+        case llvm::Triple::mips64:
+        case llvm::Triple::mips64el:
+        case llvm::Triple::ppc:
+	case llvm::Triple::sparcv9:
+          this->MCountName = "_mcount";
+          break;
+      }
+  }
 };
 
 // PSP Target
Index: lib/Driver/Tools.cpp
===================================================================
--- lib/Driver/Tools.cpp	(revision 146203)
+++ lib/Driver/Tools.cpp	(working copy)
@@ -3890,9 +3890,13 @@
   if (!Args.hasArg(options::OPT_nostdlib) &&
       !Args.hasArg(options::OPT_nostartfiles)) {
     if (!Args.hasArg(options::OPT_shared)) {
+      if (Args.hasArg(options::OPT_pg))  
+        CmdArgs.push_back(Args.MakeArgString(
+                                getToolChain().GetFilePath("gcrt0.o")));
+      else
+        CmdArgs.push_back(Args.MakeArgString(
+                                getToolChain().GetFilePath("crt0.o")));
       CmdArgs.push_back(Args.MakeArgString(
-                              getToolChain().GetFilePath("crt0.o")));
-      CmdArgs.push_back(Args.MakeArgString(
                               getToolChain().GetFilePath("crtbegin.o")));
     } else {
       CmdArgs.push_back(Args.MakeArgString(
@@ -3916,7 +3920,10 @@
       !Args.hasArg(options::OPT_nodefaultlibs)) {
     if (D.CCCIsCXX) {
       getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
-      CmdArgs.push_back("-lm");
+      if (Args.hasArg(options::OPT_pg)) 
+        CmdArgs.push_back("-lm_p");
+      else
+        CmdArgs.push_back("-lm");
     }
 
     // FIXME: For some reason GCC passes -lgcc before adding
@@ -3926,7 +3933,10 @@
     if (Args.hasArg(options::OPT_pthread))
       CmdArgs.push_back("-lpthread");
     if (!Args.hasArg(options::OPT_shared))
-      CmdArgs.push_back("-lc");
+      if (Args.hasArg(options::OPT_pg)) 
+         CmdArgs.push_back("-lc_p");
+      else
+         CmdArgs.push_back("-lc");
     CmdArgs.push_back("-lgcc");
   }