From: Eli Friedman <eli.friedman@gmail.com>
Date: Thu, 15 Dec 2011 02:15:56 +0000 (+0000)
Subject: gcov-style profiling support for OpenBSD.  Patch by Jonathan Gray.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=62d829abaf61d70483a5a584059440a549a306bf;p=clang

gcov-style profiling support for OpenBSD.  Patch by Jonathan Gray.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146631 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 1f52019f64..e02b0db3fe 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -372,7 +372,26 @@ protected:
   }
 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
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 3b37f80904..60e6d3dd32 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -4166,8 +4166,12 @@ void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
   if (!Args.hasArg(options::OPT_nostdlib) &&
       !Args.hasArg(options::OPT_nostartfiles)) {
     if (!Args.hasArg(options::OPT_shared)) {
-      CmdArgs.push_back(Args.MakeArgString(
-                              getToolChain().GetFilePath("crt0.o")));
+      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("crtbegin.o")));
     } else {
@@ -4192,7 +4196,10 @@ void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
       !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
@@ -4202,7 +4209,10 @@ void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
     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");
   }