diff options
Diffstat (limited to 'contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsABIFlagsSection.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsABIFlagsSection.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsABIFlagsSection.cpp b/contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsABIFlagsSection.cpp new file mode 100644 index 000000000000..5b0f950b076e --- /dev/null +++ b/contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsABIFlagsSection.cpp @@ -0,0 +1,66 @@ +//===-- MipsABIFlagsSection.cpp - Mips ELF ABI Flags Section ---*- C++ -*--===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "MipsABIFlagsSection.h" + +using namespace llvm; + +uint8_t MipsABIFlagsSection::getFpABIValue() { + switch (FpABI) { + case FpABIKind::ANY: + return Val_GNU_MIPS_ABI_FP_ANY; + case FpABIKind::XX: + return Val_GNU_MIPS_ABI_FP_XX; + case FpABIKind::S32: + return Val_GNU_MIPS_ABI_FP_DOUBLE; + case FpABIKind::S64: + if (Is32BitABI) + return OddSPReg ? Val_GNU_MIPS_ABI_FP_64 : Val_GNU_MIPS_ABI_FP_64A; + return Val_GNU_MIPS_ABI_FP_DOUBLE; + } + + llvm_unreachable("unexpected fp abi value"); +} + +StringRef MipsABIFlagsSection::getFpABIString(FpABIKind Value) { + switch (Value) { + case FpABIKind::XX: + return "xx"; + case FpABIKind::S32: + return "32"; + case FpABIKind::S64: + return "64"; + default: + llvm_unreachable("unsupported fp abi value"); + } +} + +uint8_t MipsABIFlagsSection::getCPR1SizeValue() { + if (FpABI == FpABIKind::XX) + return (uint8_t)AFL_REG_32; + return (uint8_t)CPR1Size; +} + +namespace llvm { +MCStreamer &operator<<(MCStreamer &OS, MipsABIFlagsSection &ABIFlagsSection) { + // Write out a Elf_Internal_ABIFlags_v0 struct + OS.EmitIntValue(ABIFlagsSection.getVersionValue(), 2); // version + OS.EmitIntValue(ABIFlagsSection.getISALevelValue(), 1); // isa_level + OS.EmitIntValue(ABIFlagsSection.getISARevisionValue(), 1); // isa_rev + OS.EmitIntValue(ABIFlagsSection.getGPRSizeValue(), 1); // gpr_size + OS.EmitIntValue(ABIFlagsSection.getCPR1SizeValue(), 1); // cpr1_size + OS.EmitIntValue(ABIFlagsSection.getCPR2SizeValue(), 1); // cpr2_size + OS.EmitIntValue(ABIFlagsSection.getFpABIValue(), 1); // fp_abi + OS.EmitIntValue(ABIFlagsSection.getISAExtensionSetValue(), 4); // isa_ext + OS.EmitIntValue(ABIFlagsSection.getASESetValue(), 4); // ases + OS.EmitIntValue(ABIFlagsSection.getFlags1Value(), 4); // flags1 + OS.EmitIntValue(ABIFlagsSection.getFlags2Value(), 4); // flags2 + return OS; +} +} |