Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/lib/Target/Mips/MCTargetDesc/MipsABIFlagsSection.cpp

@@ -0,0 +1,75 @@
+//===- MipsABIFlagsSection.cpp - Mips ELF ABI Flags Section ---------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "MCTargetDesc/MipsABIFlagsSection.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/MipsABIFlags.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.getISAExtensionValue(), 4); // isa_ext
+  OS.EmitIntValue(ABIFlagsSection.getASESetValue(), 4);       // ases
+  OS.EmitIntValue(ABIFlagsSection.getFlags1Value(), 4);       // flags1
+  OS.EmitIntValue(ABIFlagsSection.getFlags2Value(), 4);       // flags2
+  return OS;
+}
+
+} // end namespace llvm