static ILoaderResult Load(string input, AssemblerPackageOutputType inputType)
{
if (!System.IO.File.Exists(input))
{
throw new FileNotFoundException($"Source input file {input} not found.", input);
}
// Loader Stage 1 - read file
ILoaderResult loaded;
using (var fs = new FileStream(input, FileMode.Open, FileAccess.Read, FileShare.Read))
{
switch (inputType)
{
case AssemblerPackageOutputType.Elf32:
loaded = new LoaderElf32(fs).LoadImage();
break;
case AssemblerPackageOutputType.Elf64:
loaded = new LoaderElf64(fs).LoadImage();
break;
default:
throw new InvalidOperationException($"Unknown packaging format: {inputType}");
}
}
return(loaded);
}
public void ReadKeyboardAsm64()
{
// http://www.sco.com/developers/devspecs/gabi41.pdf
var compiler = new BytecodeCompiler <UInt64>();
var sourceFileName = "./../../../../picovm/asm-src/read-keyboard64.asm";
Xunit.Assert.True(File.Exists(Path.Combine(System.Environment.CurrentDirectory, sourceFileName)), $"Cannot find file {sourceFileName} for test, current directory: {System.Environment.CurrentDirectory}");
var compilationInterface = compiler.Compile(sourceFileName);
Xunit.Assert.Equal(0, compilationInterface.Errors.Count);
Xunit.Assert.IsType <CompilationResult64>(compilationInterface);
var compilation = (CompilationResult64)compilationInterface;
var packager = new PackagerElf64(compilation);
// Test ELF file header write/read/compare fidelity
var header = packager.GenerateElfFileHeader();
{
var ms = new MemoryStream();
header.Write(ms, 1, 1);
ms.Seek(0, SeekOrigin.Begin);
var header2 = new Header64();
header2.Read(ms);
Xunit.Assert.Equal(header.EI_CLASS, header2.EI_CLASS);
Xunit.Assert.Equal(header.EI_DATA, header2.EI_DATA);
Xunit.Assert.Equal(header.EI_VERSION, header2.EI_VERSION);
Xunit.Assert.Equal(header.E_TYPE, header2.E_TYPE);
Xunit.Assert.Equal(header.E_MACHINE, header2.E_MACHINE);
Xunit.Assert.Equal(header.E_VERSION, header2.E_VERSION);
Xunit.Assert.Equal(header.E_ENTRY, header2.E_ENTRY);
Xunit.Assert.Equal(header.E_PHOFF, header2.E_PHOFF);
Xunit.Assert.Equal(header.E_SHOFF, header2.E_SHOFF);
Xunit.Assert.Equal(header.E_FLAGS, header2.E_FLAGS);
Xunit.Assert.Equal(header.E_EHSIZE, header2.E_EHSIZE);
Xunit.Assert.Equal(header.E_PHENTSIZE, header2.E_PHENTSIZE);
Xunit.Assert.Equal(header.E_PHNUM, header2.E_PHNUM);
Xunit.Assert.Equal(header.E_SHENTSIZE, header2.E_SHENTSIZE);
Xunit.Assert.Equal(header.E_SHNUM, header2.E_SHNUM);
Xunit.Assert.Equal(header.E_SHSTRNDX, header2.E_SHSTRNDX);
}
// Test program header write/read/compare fidelity
{
var ms = new MemoryStream();
var ph = packager.GenerateProgramHeader64();
ph.Write(ms);
ms.Seek(0, SeekOrigin.Begin);
var ph2 = new ProgramHeader64();
ph2.Read(ms);
Xunit.Assert.Equal(ph.P_TYPE, ph2.P_TYPE);
Xunit.Assert.Equal(ph.P_OFFSET, ph2.P_OFFSET);
Xunit.Assert.Equal(ph.P_VADDR, ph2.P_VADDR);
Xunit.Assert.Equal(ph.P_PADDR, ph2.P_PADDR);
Xunit.Assert.Equal(ph.P_FILESZ, ph2.P_FILESZ);
Xunit.Assert.Equal(ph.P_MEMSZ, ph2.P_MEMSZ);
Xunit.Assert.Equal(ph.P_FLAGS, ph2.P_FLAGS);
Xunit.Assert.Equal(ph.P_ALIGN, ph2.P_ALIGN);
}
// Test full package/load/compare fidelity
{
var ms = new MemoryStream();
packager.Write(ms);
ms.Seek(0, SeekOrigin.Begin);
var loader = new LoaderElf64(ms);
var compilation2 = loader.LoadImage();
Xunit.Assert.NotNull(compilation2);
Xunit.Assert.Equal(compilation.EntryPoint.Value, compilation2.EntryPoint);
Xunit.Assert.Equal(AssemblerPackageOutputType.Elf64, Packager.Inspector.DetectPackageOutputType(ms));
}
}
