Import LLVM, at r72732.

1 files changed, 74 insertions, 0 deletions

diff --git a/lib/Target/CellSPU/SPUTargetAsmInfo.cpp b/lib/Target/CellSPU/SPUTargetAsmInfo.cpp
new file mode 100644
index 0000000..ff88ed8
--- /dev/null
+++ b/lib/Target/CellSPU/SPUTargetAsmInfo.cpp
@@ -0,0 +1,74 @@
+//===-- SPUTargetAsmInfo.cpp - Cell SPU asm properties ----------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the declarations of the SPUTargetAsmInfo properties.
+//
+//===----------------------------------------------------------------------===//
+
+#include "SPUTargetAsmInfo.h"
+#include "SPUTargetMachine.h"
+#include "llvm/Function.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/Dwarf.h"
+
+using namespace llvm;
+using namespace llvm::dwarf;
+
+SPULinuxTargetAsmInfo::SPULinuxTargetAsmInfo(const SPUTargetMachine &TM) :
+    SPUTargetAsmInfo<ELFTargetAsmInfo>(TM) {
+  PCSymbol = ".";
+  CommentString = "#";
+  GlobalPrefix = "";
+  PrivateGlobalPrefix = ".L";
+  // This corresponds to what the gcc SPU compiler emits, for consistency.
+  CStringSection = ".rodata.str";
+
+  // Has leb128, .loc and .file
+  HasLEB128 = true;
+  HasDotLocAndDotFile = true;
+
+  // BSS section needs to be emitted as ".section"
+  BSSSection = "\t.section\t.bss";
+  BSSSection_ = getUnnamedSection("\t.section\t.bss",
+                                  SectionFlags::Writeable | SectionFlags::BSS,
+                                  true);
+
+  SupportsDebugInformation = true;
+  NeedsSet = true;
+  SupportsMacInfoSection = false;
+  DwarfAbbrevSection =  "\t.section        .debug_abbrev,\"\",@progbits";
+  DwarfInfoSection =    "\t.section        .debug_info,\"\",@progbits";
+  DwarfLineSection =    "\t.section        .debug_line,\"\",@progbits";
+  DwarfFrameSection =   "\t.section        .debug_frame,\"\",@progbits";
+  DwarfPubNamesSection = "\t.section        .debug_pubnames,\"\",@progbits";
+  DwarfPubTypesSection = "\t.section        .debug_pubtypes,\"\",progbits";
+  DwarfStrSection =     "\t.section        .debug_str,\"MS\",@progbits,1";
+  DwarfLocSection =     "\t.section        .debug_loc,\"\",@progbits";
+  DwarfARangesSection = "\t.section        .debug_aranges,\"\",@progbits";
+  DwarfRangesSection =  "\t.section        .debug_ranges,\"\",@progbits";
+  DwarfMacInfoSection = "\t.section        .debug_macinfo,\"\",progbits";
+
+  // Exception handling is not supported on CellSPU (think about it: you only
+  // have 256K for code+data. Would you support exception handling?)
+  SupportsExceptionHandling = false;
+}
+
+/// PreferredEHDataFormat - This hook allows the target to select data
+/// format used for encoding pointers in exception handling data. Reason is
+/// 0 for data, 1 for code labels, 2 for function pointers. Global is true
+/// if the symbol can be relocated.
+unsigned
+SPULinuxTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
+                                             bool Global) const {
+  // We really need to write something here.
+  return TargetAsmInfo::PreferredEHDataFormat(Reason, Global);
+}
+
+// Instantiate default implementation.
+TEMPLATE_INSTANTIATION(class SPUTargetAsmInfo<TargetAsmInfo>);