[PATCH] [x32] Add X32 backend

Zinovy Nis zinovy.nis at gmail.com
Thu Jul 10 06:12:06 PDT 2014


Closed by commit rL212716 (authored by @zinovy.nis).

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D4181

Files:
  llvm/trunk/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp

Index: llvm/trunk/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
===================================================================
--- llvm/trunk/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
+++ llvm/trunk/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
@@ -366,6 +366,17 @@
   }
 };
 
+class ELFX86_X32AsmBackend : public ELFX86AsmBackend {
+public:
+  ELFX86_X32AsmBackend(const Target &T, uint8_t OSABI, StringRef CPU)
+      : ELFX86AsmBackend(T, OSABI, CPU) {}
+
+  MCObjectWriter *createObjectWriter(raw_ostream &OS) const override {
+    return createX86ELFObjectWriter(OS, /*IsELF64*/ false, OSABI,
+                                    ELF::EM_X86_64);
+  }
+};
+
 class ELFX86_64AsmBackend : public ELFX86AsmBackend {
 public:
   ELFX86_64AsmBackend(const Target &T, uint8_t OSABI, StringRef CPU)
@@ -824,5 +835,8 @@
     return new WindowsX86AsmBackend(T, true, CPU);
 
   uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(TheTriple.getOS());
+
+  if (TheTriple.getEnvironment() == Triple::GNUX32)
+    return new ELFX86_X32AsmBackend(T, OSABI, CPU);
   return new ELFX86_64AsmBackend(T, OSABI, CPU);
 }
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D4181.11266.patch
Type: text/x-patch
Size: 1114 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20140710/a0fb980f/attachment.bin>


More information about the llvm-commits mailing list