R600/SI: Emit .hsa.version section for amdhsa OS

[oota-llvm.git] / lib / Target / R600 / AMDGPUAsmPrinter.cpp

diff --git a/lib/Target/R600/AMDGPUAsmPrinter.cpp b/lib/Target/R600/AMDGPUAsmPrinter.cpp
index cae116f4168e4d29bfb86f591e7d6af35b2967e5..8f35f5877120d6b779b65e6626de7345e1969d6d 100644 (file)
--- a/lib/Target/R600/AMDGPUAsmPrinter.cpp
+++ b/lib/Target/R600/AMDGPUAsmPrinter.cpp
@@ -118,7 +118,6 @@ bool AMDGPUAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
   const AMDGPUSubtarget &STM = TM.getSubtarget<AMDGPUSubtarget>();
   SIProgramInfo KernelInfo;
   if (STM.isAmdHsaOS()) {
-    OutStreamer.SwitchSection(getObjFileLowering().getTextSection());
     getSIProgramInfo(KernelInfo, MF);
     EmitAmdKernelCodeT(MF, KernelInfo);
     OutStreamer.EmitCodeAlignment(2 << (MF.getAlignment() - 1));
@@ -511,6 +510,19 @@ void AMDGPUAsmPrinter::EmitAmdKernelCodeT(const MachineFunction &MF,
 
   header.wavefront_size = STM.getWavefrontSize();
 
+  const MCSectionELF *VersionSection = OutContext.getELFSection(".hsa.version",
+      ELF::SHT_PROGBITS, 0, SectionKind::getReadOnly());
+  OutStreamer.SwitchSection(VersionSection);
+  OutStreamer.EmitBytes(Twine("HSA Code Unit:" +
+                        Twine(header.hsail_version_major) + "." +
+                        Twine(header.hsail_version_minor) + ":" +
+                        "AMD:" +
+                        Twine(header.amd_code_version_major) + "." +
+                        Twine(header.amd_code_version_minor) +  ":" +
+                        "GFX8.1:0").str());
+
+  OutStreamer.SwitchSection(getObjFileLowering().getTextSection());
+
   if (isVerbose()) {
     OutStreamer.emitRawComment("amd_code_version_major = " +
                                Twine(header.amd_code_version_major), false);