AMDGPU/SI: Emit constant arrays in the .text section
Summary:
This allows us to remove the END_OF_TEXT_LABEL hack we had been using
and simplifies the fixups used to compute the address of constant
arrays.
Reviewers: arsenm
Subscribers: arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D15257
llvm-svn: 255204
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetObjectFile.h b/llvm/lib/Target/AMDGPU/AMDGPUTargetObjectFile.h
new file mode 100644
index 0000000..921341e
--- /dev/null
+++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetObjectFile.h
@@ -0,0 +1,51 @@
+//===-- AMDGPUTargetObjectFile.h - AMDGPU Object Info ----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief This file declares the AMDGPU-specific subclass of
+/// TargetLoweringObjectFile.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETOBJECTFILE_H
+#define LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETOBJECTFILE_H
+
+#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
+#include "llvm/Target/TargetMachine.h"
+
+namespace llvm {
+
+class AMDGPUTargetObjectFile : public TargetLoweringObjectFileELF {
+ public:
+ MCSection *SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
+ Mangler &Mang,
+ const TargetMachine &TM) const override;
+};
+
+class AMDGPUHSATargetObjectFile final : public AMDGPUTargetObjectFile {
+private:
+ MCSection *DataGlobalAgentSection;
+ MCSection *DataGlobalProgramSection;
+ MCSection *RodataReadonlyAgentSection;
+
+ bool isAgentAllocationSection(const char *SectionName) const;
+ bool isAgentAllocation(const GlobalValue *GV) const;
+ bool isProgramAllocation(const GlobalValue *GV) const;
+
+public:
+ void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
+
+ MCSection *SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
+ Mangler &Mang,
+ const TargetMachine &TM) const override;
+};
+
+} // end namespace llvm
+
+#endif