From aa099482ffbc47b1322edbdee3fab0b22a7a95fb Mon Sep 17 00:00:00 2001 From: Roman Divacky Date: Mon, 24 Feb 2014 18:46:27 +0000 Subject: [PATCH] Implement getDwarfEHStackPointer() and initDwarfEHRegSizeTable() for sparcv9. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@202059 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/TargetInfo.cpp | 41 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp index 32a5cc1a0f..05cb21dd19 100644 --- a/lib/CodeGen/TargetInfo.cpp +++ b/lib/CodeGen/TargetInfo.cpp @@ -5660,9 +5660,50 @@ class SparcV9TargetCodeGenInfo : public TargetCodeGenInfo { public: SparcV9TargetCodeGenInfo(CodeGenTypes &CGT) : TargetCodeGenInfo(new SparcV9ABIInfo(CGT)) {} + + int getDwarfEHStackPointer(CodeGen::CodeGenModule &M) const { + return 14; + } + + bool initDwarfEHRegSizeTable(CodeGen::CodeGenFunction &CGF, + llvm::Value *Address) const; }; } // end anonymous namespace +bool +SparcV9TargetCodeGenInfo::initDwarfEHRegSizeTable(CodeGen::CodeGenFunction &CGF, + llvm::Value *Address) const { + // This is calculated from the LLVM and GCC tables and verified + // against gcc output. AFAIK all ABIs use the same encoding. + + CodeGen::CGBuilderTy &Builder = CGF.Builder; + + llvm::IntegerType *i8 = CGF.Int8Ty; + llvm::Value *Four8 = llvm::ConstantInt::get(i8, 4); + llvm::Value *Eight8 = llvm::ConstantInt::get(i8, 8); + + // 0-31: the 8-byte general-purpose registers + AssignToArrayRange(Builder, Address, Eight8, 0, 31); + + // 32-63: f0-31, the 4-byte floating-point registers + AssignToArrayRange(Builder, Address, Four8, 32, 63); + + // Y = 64 + // PSR = 65 + // WIM = 66 + // TBR = 67 + // PC = 68 + // NPC = 69 + // FSR = 70 + // CSR = 71 + AssignToArrayRange(Builder, Address, Eight8, 64, 71); + + // 72-87: d0-15, the 8-byte floating-point registers + AssignToArrayRange(Builder, Address, Eight8, 72, 87); + + return false; +} + //===----------------------------------------------------------------------===// // Xcore ABI Implementation -- 2.40.0