llvm-6502/lib/Target/Mips/MCTargetDesc/MipsABIFlagsSection.cpp
Simon Atanasyan 2d0087d82a [MIPS] Move MIPS ABI flags structure constants to the separate header
http://reviews.llvm.org/D9517

The separate header file allows to reuse the MIPS ABI flags structure
constants in other LLVM tools like the llvm-readobj.

No functional changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236732 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-07 14:57:04 +00:00

70 lines
2.3 KiB
C++

//===-- 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 Mips::Val_GNU_MIPS_ABI_FP_ANY;
case FpABIKind::SOFT:
return Mips::Val_GNU_MIPS_ABI_FP_SOFT;
case FpABIKind::XX:
return Mips::Val_GNU_MIPS_ABI_FP_XX;
case FpABIKind::S32:
return Mips::Val_GNU_MIPS_ABI_FP_DOUBLE;
case FpABIKind::S64:
if (Is32BitABI)
return OddSPReg ? Mips::Val_GNU_MIPS_ABI_FP_64
: Mips::Val_GNU_MIPS_ABI_FP_64A;
return Mips::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)Mips::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;
}
}