/// <summary>Provides the canonical Architecture form for a given architecture sub architecture pair</summary>
/// <param name="archType">Architecture type</param>
/// <param name="subArch">Sub Architecture type</param>
/// <returns>Canonical <see cref="TripleArchType"/></returns>
/// <remarks>
/// Some architectures, particularly ARM variants, have multiple sub-architecture types that
/// have a canonical form (i.e. Arch=<see cref="TripleArchType.Arm"/>; SubArch=<see cref="TripleSubArchType.ARMSubArch_v7m"/>;
/// has the Canonical Arch of <see cref="TripleArchType.Thumb"/>). This method retrieves the canonical Arch
/// for a given architecture,SubArchitecture pair.
/// </remarks>
public static TripleArchType GetCanonicalArchForSubArch(TripleArchType archType, TripleSubArchType subArch)
{
archType.ValidateDefined(nameof(archType));
subArch.ValidateDefined(nameof(subArch));
switch (archType)
{
case TripleArchType.Kalimba:
switch (subArch)
{
case TripleSubArchType.NoSubArch:
case TripleSubArchType.KalimbaSubArch_v3:
case TripleSubArchType.KalimbaSubArch_v4:
case TripleSubArchType.KalimbaSubArch_v5:
return(TripleArchType.Kalimba);
default:
return(TripleArchType.UnknownArch);
}
case TripleArchType.Arm:
case TripleArchType.Armeb:
switch (subArch)
{
case TripleSubArchType.ARMSubArch_v6m:
return(archType == TripleArchType.Armeb ? TripleArchType.Thumbeb : TripleArchType.Thumb);
case TripleSubArchType.KalimbaSubArch_v3:
case TripleSubArchType.KalimbaSubArch_v4:
case TripleSubArchType.KalimbaSubArch_v5:
return(TripleArchType.UnknownArch);
default:
return(archType);
}
default:
return(archType);
}
}
/// <summary>Retrieves the canonical name for an architecture type</summary> /// <param name="archType">Architecture type</param> /// <returns>String name for the architecture</returns> /// <overloads> /// Many parts of a triple can take a variety of literal string /// forms to allow for common real world triples when parsing. /// The GetCanonicalName methods provide the canonical form of /// such triple components used in a normalized triple. /// </overloads> public static string GetCanonicalName(TripleArchType archType) => NativeMethods.TripleGetArchTypeName(( LLVMTripleArchType )archType) ?? string.Empty;
/// <summary>Gets the default <see cref="TripleObjectFormatType"/> for a given <see cref="TripleArchType"/> and <see cref="TripleOSType"/></summary>
/// <param name="arch">Architecture type</param>
/// <param name="os">Operating system type</param>
/// <returns>Default object format</returns>
public static TripleObjectFormatType GetDefaultObjectFormat(TripleArchType arch, TripleOSType os)
{
switch (arch)
{
case TripleArchType.UnknownArch:
case TripleArchType.Aarch64:
case TripleArchType.Arm:
case TripleArchType.Thumb:
case TripleArchType.X86:
case TripleArchType.X86_64:
if (IsOsDarwin(os))
{
return(TripleObjectFormatType.MachO);
}
if (os == TripleOSType.Win32)
{
return(TripleObjectFormatType.COFF);
}
return(TripleObjectFormatType.ELF);
case TripleArchType.Aarch64_be:
case TripleArchType.AMDGCN:
case TripleArchType.Amdil:
case TripleArchType.Amdil64:
case TripleArchType.Armeb:
case TripleArchType.Avr:
case TripleArchType.BPFeb:
case TripleArchType.BPFel:
case TripleArchType.Hexagon:
case TripleArchType.Lanai:
case TripleArchType.Hsail:
case TripleArchType.Hsail64:
case TripleArchType.Kalimba:
case TripleArchType.Le32:
case TripleArchType.Le64:
case TripleArchType.MIPS:
case TripleArchType.MIPS64:
case TripleArchType.MIPS64el:
case TripleArchType.MIPSel:
case TripleArchType.MSP430:
case TripleArchType.Nvptx:
case TripleArchType.Nvptx64:
case TripleArchType.PPC64le:
case TripleArchType.R600:
case TripleArchType.Renderscript32:
case TripleArchType.Renderscript64:
case TripleArchType.Shave:
case TripleArchType.Sparc:
case TripleArchType.Sparcel:
case TripleArchType.Sparcv9:
case TripleArchType.Spir:
case TripleArchType.Spir64:
case TripleArchType.SystemZ:
case TripleArchType.TCE:
case TripleArchType.Thumbeb:
case TripleArchType.Wasm32:
case TripleArchType.Wasm64:
case TripleArchType.Xcore:
return(TripleObjectFormatType.ELF);
case TripleArchType.PPC:
case TripleArchType.PPC64:
if (IsOsDarwin(os))
{
return(TripleObjectFormatType.MachO);
}
return(TripleObjectFormatType.ELF);
default:
throw new ArgumentException("Unsupported Architecture", nameof(arch));
}
}
