From: Douglas Gregor <dgregor@apple.com>
Date: Sun, 6 Mar 2011 19:11:49 +0000 (+0000)
Subject: Fix driver for thumb-capable ARM hosts, from Mikko Lehtonen!
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f0594d8b64cf32c55dde7a49ba849e864446c92b;p=clang

Fix driver for thumb-capable ARM hosts, from Mikko Lehtonen!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127128 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index bb83492158..7cae9ba027 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -114,7 +114,8 @@ llvm::StringRef Darwin::getDarwinArchName(const ArgList &Args) const {
   switch (getTriple().getArch()) {
   default:
     return getArchName();
-
+  
+  case llvm::Triple::thumb:
   case llvm::Triple::arm: {
     if (const Arg *A = Args.getLastArg(options::OPT_march_EQ))
       if (const char *Arch = GetArmArchForMArch(A->getValue(Args)))
@@ -1401,7 +1402,7 @@ Linux::Linux(const HostInfo &Host, const llvm::Triple &Triple)
     Lib64 = "lib64";
 
   std::string GccTriple = "";
-  if (Arch == llvm::Triple::arm) {
+  if (Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb) {
     if (!llvm::sys::fs::exists("/usr/lib/gcc/arm-linux-gnueabi", Exists) &&
         Exists)
       GccTriple = "arm-linux-gnueabi";
@@ -1486,7 +1487,7 @@ Linux::Linux(const HostInfo &Host, const llvm::Triple &Triple)
     ExtraOpts.push_back("relro");
   }
 
-  if (Arch == llvm::Triple::arm)
+  if (Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb)
     ExtraOpts.push_back("-X");
 
   if (IsFedora(Distro) || Distro == UbuntuMaverick)
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index f9e7ba1a91..2f6a4ccaca 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -3599,13 +3599,15 @@ void linuxtools::Link::ConstructJob(Compilation &C, const JobAction &JA,
   CmdArgs.push_back("-m");
   if (ToolChain.getArch() == llvm::Triple::x86)
     CmdArgs.push_back("elf_i386");
-  else if (ToolChain.getArch() == llvm::Triple::arm)
+  else if (ToolChain.getArch() == llvm::Triple::arm 
+           ||  ToolChain.getArch() == llvm::Triple::thumb)
     CmdArgs.push_back("armelf_linux_eabi");
   else
     CmdArgs.push_back("elf_x86_64");
 
   if (Args.hasArg(options::OPT_static)) {
-    if (ToolChain.getArch() == llvm::Triple::arm)
+    if (ToolChain.getArch() == llvm::Triple::arm
+        || ToolChain.getArch() == llvm::Triple::thumb)
       CmdArgs.push_back("-Bstatic");
     else
       CmdArgs.push_back("-static");
@@ -3614,12 +3616,14 @@ void linuxtools::Link::ConstructJob(Compilation &C, const JobAction &JA,
   }
 
   if (ToolChain.getArch() == llvm::Triple::arm ||
+      ToolChain.getArch() == llvm::Triple::thumb ||
       (!Args.hasArg(options::OPT_static) &&
        !Args.hasArg(options::OPT_shared))) {
     CmdArgs.push_back("-dynamic-linker");
     if (ToolChain.getArch() == llvm::Triple::x86)
       CmdArgs.push_back("/lib/ld-linux.so.2");
-    else if (ToolChain.getArch() == llvm::Triple::arm)
+    else if (ToolChain.getArch() == llvm::Triple::arm ||
+             ToolChain.getArch() == llvm::Triple::thumb)
       CmdArgs.push_back("/lib/ld-linux.so.3");
     else
       CmdArgs.push_back("/lib64/ld-linux-x86-64.so.2");