private static void GenerateMissingMethod(string str, metadata.MetadataStream m, libtysila5.target.Target t, int missing_msig, ElfFile o, libtysila5.TysilaState s)
{
/* Generate new method spec */
var ms = new metadata.MethodSpec {
m = m, mangle_override = str
};
/* Generate stub code */
libtysila5.Code c = new libtysila5.Code();
c.t = t;
c.ms = ms;
var ir = new List <libtysila5.cil.CilNode.IRNode>();
var stack = new libtysila5.util.Stack <libtysila5.ir.StackItem>();
var cilnode = new libtysila5.cil.CilNode(ms, 0);
cilnode.irnodes = ir;
c.ir = ir;
c.starts = new List <libtysila5.cil.CilNode> {
cilnode
};
c.s = s;
stack = libtysila5.ir.ConvertToIR.ldstr(cilnode, c, stack, str);
stack = libtysila5.ir.ConvertToIR.call(cilnode, c, stack, false, "missing_function",
c.special_meths, missing_msig);
/* Assemble */
libtysila5.libtysila.AssembleMethod(ms, o, t, s, null, null, c);
}
static int Main(string[] args)
{
/* Parse args */
var argc = args.Length;
char c;
var go = new XGetoptCS.XGetopt();
var arg_str = "t:L:o:";
while ((c = go.Getopt(argc, args, arg_str)) != '\0')
{
switch (c)
{
case 't':
arch = go.Optarg;
break;
case 'L':
new_search_dirs.Add(go.Optarg);
break;
case 'o':
output_name = go.Optarg;
break;
case '?':
dump_opts();
return(-1);
}
}
tysila4.Program.search_dirs.InsertRange(0, new_search_dirs);
var curopt = go.Optind;
while (curopt < argc)
{
input_files.Add(args[curopt++]);
}
if (input_files.Count == 0)
{
System.Console.WriteLine("No input files specified");
dump_opts();
return(-1);
}
/* Load up each input file in turn */
var ifiles = new List <binary_library.IBinaryFile>();
foreach (var ifname in input_files)
{
var ifinfo = new System.IO.FileInfo(ifname);
if (!ifinfo.Exists)
{
throw new System.IO.FileNotFoundException("Cannot find: " + ifname);
}
/* Determine file type from extension */
binary_library.IBinaryFile ifobj = null;
if (ifinfo.Extension == ".o" || ifinfo.Extension == ".obj")
{
ifobj = new binary_library.elf.ElfFile();
}
if (ifobj == null)
{
ifobj = binary_library.BinaryFile.CreateBinaryFile(ifinfo.Extension);
}
if (ifobj == null)
{
throw new Exception("Unsupported file type: " + ifinfo.FullName);
}
/* Load up the particular file */
ifobj.Filename = ifinfo.FullName;
ifobj.Read();
ifiles.Add(ifobj);
}
/* Get a list of all defined symbols */
var def_syms = new Dictionary <string, binary_library.ISymbol>();
foreach (var file in ifiles)
{
var sym_count = file.GetSymbolCount();
for (int i = 0; i < sym_count; i++)
{
var sym = file.GetSymbol(i);
if (sym.DefinedIn != null && sym.Type != binary_library.SymbolType.Undefined)
{
def_syms[sym.Name] = sym;
}
}
}
/* Get a list of those relocations which are missing */
var missing = new Dictionary <string, binary_library.ISymbol>();
foreach (var file in ifiles)
{
var reloc_count = file.GetRelocationCount();
for (int i = 0; i < reloc_count; i++)
{
var reloc = file.GetRelocation(i);
if (reloc.References != null && !def_syms.ContainsKey(reloc.References.Name))
{
if (reloc.References.Name == "_Zu1O_7#2Ector_Rv_P1u1t")
{
System.Diagnostics.Debugger.Break();
}
missing[reloc.References.Name] = reloc.References;
}
}
}
/* Generate an output object */
var o = new binary_library.elf.ElfFile(ifiles[0].Bitness);
o.Init();
o.Architecture = arch;
o.Filename = output_name;
/* Generate dummy module */
var ofi = new System.IO.FileInfo(output_name);
var ms = new metadata.MetadataStream(ofi.Name.Substring(0, ofi.Name.Length - ofi.Extension.Length));
ms.al = new libtysila5.libtysila.AssemblyLoader(new tysila4.FileSystemFileLoader());
ms.LoadBuiltinTypes();
/* Load up assembler target */
var t = libtysila5.target.Target.targets[arch];
var fsi = new System.IO.FileInfo(output_name);
var s = new libtysila5.TysilaState();
s.st = new libtysila5.StringTable(fsi.Name.Substring(0, fsi.Name.Length - fsi.Extension.Length), ms.al, t);
/* Generate signature of missing_function(string) to call */
var special_c = new libtysila5.Code {
ms = new metadata.MethodSpec {
m = ms
}
};
var special = special_c.special_meths;
var missing_msig = special.CreateMethodSignature(null, new metadata.TypeSpec[] { ms.SystemString });
/* Generate stub functions for missing methods */
var m = missing.Keys;
var missing_types = new List <string>();
var other_missing = new List <string>();
foreach (var str in m)
{
try
{
if (ms.IsMangledMethod(str))
{
GenerateMissingMethod(str, ms, t, missing_msig, o, s);
}
else
{
ms.IsMangledMethod(str);
missing_types.Add(str);
}
}
catch (ArgumentException)
{
other_missing.Add(str);
}
}
/* Write out */
s.st.WriteToOutput(o, ms, t);
o.Write();
/* Dump missing types */
if (missing_types.Count > 0)
{
Console.WriteLine("Warning: the following missing types were also found:");
foreach (var mt in missing_types)
{
Console.WriteLine(" " + mt);
}
}
return(0);
}
