public override void WriteToOutput(DwarfSections ds, IList <byte> d, DwarfDIE parent)
{
d.Add((byte)12);
w(d, ns, ds.smap);
base.WriteToOutput(ds, d, parent);
}
public override void WriteToOutput(DwarfSections ds, IList <byte> d, DwarfDIE parent)
{
w(d, 21);
w(d, name, ds.smap);
dcu.fmap[d.Count] = dcu.GetTypeDie(ts);
for (int i = 0; i < 4; i++)
{
d.Add(0);
}
// location as exprloc
var b = new List <byte>();
if (t.AddDwarfLocation(loc, b))
{
DwarfDIE.w(d, (uint)b.Count);
foreach (var c in b)
{
d.Add(c);
}
}
else
{
throw new NotImplementedException();
}
}
public override void WriteToOutput(DwarfSections ds, IList <byte> d, DwarfDIE parent)
{
w(d, 22);
dcu.fmap[d.Count] = decl;
for (int i = 0; i < 4; i++)
{
d.Add(0);
}
var low_r = ds.bf.CreateRelocation();
low_r.Type = t.GetDataToDataReloc();
low_r.Offset = (ulong)d.Count;
low_r.References = ds.bf.FindSymbol(decl.ms.MangleMethod());
low_r.DefinedIn = ds.info;
ds.bf.AddRelocation(low_r);
wp(d); // low_pc
wp(d, low_r.References.Size); // high_pc
foreach (var child in decl.Children)
{
child.WriteToOutput(ds, d, this);
}
d.Add(0);
}
public override void WriteToOutput(DwarfSections ds, IList <byte> dinfo, DwarfDIE parent)
{
foreach (var c in Children)
{
c.Offset = dinfo.Count;
c.WriteToOutput(ds, dinfo, this);
}
dinfo.Add(0); // null-terminate
}
public override void WriteToOutput(DwarfSections ds, IList <byte> d, DwarfDIE parent)
{
d.Add(18);
w(d, Name, ds.smap);
dcu.fmap[d.Count] = FieldType;
for (int i = 0; i < 4; i++)
{
d.Add(0);
}
w(d, (uint)FieldOffset);
}
public void WriteToOutput(DwarfSections odbgsect)
{
WriteAbbrev(odbgsect.abbrev);
WriteInfo(odbgsect);
odbgsect.smap.Write(odbgsect.str);
WriteLines(odbgsect);
WritePubTypes(odbgsect);
WritePubNames(odbgsect);
}
private void WriteInfo(DwarfSections ds)
{
var info = ds.info;
var string_map = ds.smap;
List <byte> d = new List <byte>();
// Output header
// Reserve space for unit_length
if (t.psize == 4)
{
for (int i = 0; i < 4; i++)
{
d.Add(0);
}
}
else
{
for (int i = 0; i < 12; i++)
{
d.Add(0);
}
}
// version
d.Add(4);
d.Add(0);
// debug_abbrev_offset
for (int i = 0; i < t.psize; i++)
{
d.Add(0);
}
// address_size
d.Add((byte)t.psize);
// Store offset of root entry
this.Offset = d.Count;
// Write the root DIE
w(d, 1);
w(d, "tysila", string_map);
w(d, 0x4); // pretend to be C++
var fname = m.file.Name;
if (fname == null || fname.Equals(string.Empty))
{
w(d, m.AssemblyName, string_map);
w(d, "", string_map);
}
else
{
var finfo = new System.IO.FileInfo(fname);
w(d, finfo.Name, string_map);
w(d, finfo.DirectoryName, string_map);
}
// store low/high pc offsets for patching later
var low_pc_offset = d.Count;
for (int i = 0; i < t.psize; i++)
{
d.Add(0);
}
var high_pc_offset = d.Count;
for (int i = 0; i < t.psize; i++)
{
d.Add(0);
}
var stmt_list_offset = d.Count;
for (int i = 0; i < t.psize; i++)
{
d.Add(0);
}
/* Children:
* Items in the empty namespace are placed as direct children
* Others are placed as children of the namespace
*/
foreach (var kvp in ns_dies)
{
if (kvp.Key == "")
{
foreach (var dc in kvp.Value.Children)
{
Children.Add(dc);
}
}
else
{
Children.Add(kvp.Value);
}
}
/* Add defintions for all the methods in the main namespace */
foreach (var methkvp in method_dies)
{
var methdef = new DwarfMethodDefDIE();
methdef.dcu = this;
methdef.t = t;
methdef.decl = methkvp.Value;
Children.Add(methdef);
}
// Write children
base.WriteToOutput(ds, d, null);
// Patch relocs
byte[] bytes;
foreach (var kvp in fmap)
{
uint dest = (uint)kvp.Value.Offset;
int addr = kvp.Key;
bytes = BitConverter.GetBytes(dest);
for (int i = 0; i < 4; i++)
{
d[addr + i] = bytes[i];
}
}
// Patch low/high_pc
var low_r = ds.bf.CreateRelocation();
low_r.Type = t.GetDataToDataReloc();
low_r.Offset = (ulong)low_pc_offset;
low_r.References = first_sym;
low_r.DefinedIn = ds.info;
ds.bf.AddRelocation(low_r);
var pc_size = last_sym.Offset - first_sym.Offset + (ulong)last_sym.Size;
bytes = (t.psize == 4) ? BitConverter.GetBytes((int)pc_size) :
BitConverter.GetBytes((long)pc_size);
for (int i = 0; i < t.psize; i++)
{
d[high_pc_offset + i] = bytes[i];
}
// Finally, patch the length back in
if (t.psize == 4)
{
uint len = (uint)d.Count - 4;
bytes = BitConverter.GetBytes(len);
for (int i = 0; i < 4; i++)
{
d[i] = bytes[i];
}
}
else
{
ulong len = (ulong)d.Count - 12;
bytes = BitConverter.GetBytes(len);
for (int i = 0; i < 4; i++)
{
d[i] = 0xff;
}
for (int i = 0; i < 8; i++)
{
d[i + 4] = bytes[i];
}
}
// Store to section
for (int i = 0; i < d.Count; i++)
{
info.Data.Add(d[i]);
}
}
private void WriteLines(DwarfSections odbgsect)
{
/* Write lines header */
List <byte> d = new List <byte>();
// Reserve space for unit_length
if (t.psize == 4)
{
for (int i = 0; i < 4; i++)
{
d.Add(0);
}
}
else
{
for (int i = 0; i < 12; i++)
{
d.Add(0);
}
}
// version
d.Add(4);
d.Add(0);
// header_length
var header_length_offset = d.Count;
for (int i = 0; i < t.psize; i++)
{
d.Add(0);
}
// minimum_instruction_length
d.Add(1);
// maximum_operations_per_instruction
d.Add(1);
// default_is_stmt
d.Add(1);
// line_base
if (line_base < 0)
{
d.Add((byte)(0x100 + line_base));
}
else
{
d.Add((byte)line_base);
}
// line_range
d.Add((byte)line_range);
// opcode_base
d.Add((byte)opcode_base);
// standard_opcode_lengths
d.AddRange(new byte[] { 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1 });
// include_directories
d.Add(0);
// file_names
foreach (var fname in lnp_fnames)
{
foreach (var c in fname)
{
d.Add((byte)c);
}
d.Add(0);
// dir index
d.Add(0);
// last_mod
d.Add(0);
// length
d.Add(0);
}
d.Add(0);
// point header_length here
var doffset = d.Count;
var header_length = doffset - header_length_offset - t.psize;
byte[] bytes = (t.psize == 4) ? BitConverter.GetBytes((int)header_length) :
BitConverter.GetBytes((long)header_length);
for (int i = 0; i < t.psize; i++)
{
d[header_length_offset + i] = bytes[i];
}
// add the actual data
d.AddRange(lnp);
// add relocs
foreach (var reloc in lnp_relocs)
{
var r = odbgsect.bf.CreateRelocation();
r.Type = t.GetDataToDataReloc();
r.Offset = (ulong)(doffset + reloc.Key);
r.References = reloc.Value;
r.DefinedIn = odbgsect.line;
odbgsect.bf.AddRelocation(r);
}
// Finally, patch the length back in
if (t.psize == 4)
{
uint len = (uint)d.Count - 4;
bytes = BitConverter.GetBytes(len);
for (int i = 0; i < 4; i++)
{
d[i] = bytes[i];
}
}
else
{
ulong len = (ulong)d.Count - 12;
bytes = BitConverter.GetBytes(len);
for (int i = 0; i < 4; i++)
{
d[i] = 0xff;
}
for (int i = 0; i < 8; i++)
{
d[i + 4] = bytes[i];
}
}
// Store to section
for (int i = 0; i < d.Count; i++)
{
odbgsect.line.Data.Add(d[i]);
}
}
private void WritePubNames(DwarfSections odbgsect)
{
/* Write lines header */
List <byte> d = new List <byte>();
// Reserve space for unit_length
if (t.psize == 4)
{
for (int i = 0; i < 4; i++)
{
d.Add(0);
}
}
else
{
for (int i = 0; i < 12; i++)
{
d.Add(0);
}
}
// version
d.Add(2);
d.Add(0);
// debug_info_offset
for (int i = 0; i < t.psize; i++)
{
d.Add(0);
}
// debug_info_length
var length = odbgsect.info.Data.Count;
var bytes = (t.psize == 4) ? BitConverter.GetBytes((int)length) :
BitConverter.GetBytes((long)length);
foreach (var b in bytes)
{
d.Add(b);
}
foreach (var kvp in method_dies)
{
// offset
bytes = (t.psize == 4) ? BitConverter.GetBytes((int)kvp.Value.Offset) :
BitConverter.GetBytes((long)kvp.Value.Offset);
foreach (var b in bytes)
{
d.Add(b);
}
// name
foreach (var c in kvp.Key.MangleMethod())
{
d.Add((byte)c);
}
d.Add(0);
}
// Finally, patch the length back in
if (t.psize == 4)
{
uint len = (uint)d.Count - 4;
bytes = BitConverter.GetBytes(len);
for (int i = 0; i < 4; i++)
{
d[i] = bytes[i];
}
}
else
{
ulong len = (ulong)d.Count - 12;
bytes = BitConverter.GetBytes(len);
for (int i = 0; i < 4; i++)
{
d[i] = 0xff;
}
for (int i = 0; i < 8; i++)
{
d[i + 4] = bytes[i];
}
}
// Store to section
for (int i = 0; i < d.Count; i++)
{
odbgsect.pubnames.Data.Add(d[i]);
}
}
public abstract void WriteToOutput(DwarfSections ds, IList <byte> d, DwarfDIE parent);
public override void WriteToOutput(DwarfSections ds, IList <byte> d, DwarfDIE parent)
{
var ms = cil.ms;
int abbrev = 5;
if (ms.ReturnType != null)
{
abbrev += 1;
}
if (!ms.IsStatic)
{
abbrev += 2;
if (ms.IsVirtual)
{
abbrev += 2;
}
}
d.Add((byte)abbrev);
w(d, ms.Name, ds.smap);
var low_r = ds.bf.CreateRelocation();
low_r.Type = t.GetDataToDataReloc();
low_r.Offset = (ulong)d.Count;
low_r.References = ds.bf.FindSymbol(ms.MangleMethod());
low_r.DefinedIn = ds.info;
ds.bf.AddRelocation(low_r);
wp(d); // low_pc
wp(d, low_r.References.Size); // high_pc
// Update first/last sym if necessary
if (dcu.first_sym == null || low_r.References.Offset < dcu.first_sym.Offset)
{
dcu.first_sym = low_r.References;
}
if (dcu.last_sym == null || low_r.References.Offset > dcu.last_sym.Offset)
{
dcu.last_sym = low_r.References;
}
var mflags = ms.m.GetIntEntry(metadata.MetadataStream.tid_MethodDef,
ms.mdrow, 2);
var access = mflags & 0x07;
if (access == 0x6)
{
d.Add(0x1); // public
}
else if (access >= 0x4)
{
d.Add(0x2); // protected
}
else
{
d.Add(0x3); // private
}
w(d, ms.MangleMethod(), ds.smap);
if (ms.ReturnType != null)
{
dcu.fmap[d.Count] = (ms.ReturnType.stype == metadata.TypeSpec.SpecialType.None && !ms.ReturnType.IsValueType) ?
dcu.GetTypeDie(ms.ReturnType.Pointer) :
dcu.GetTypeDie(ms.ReturnType);
// add return type
for (int i = 0; i < 4; i++)
{
d.Add(0);
}
}
int fparam_ref_loc = 0;
if (!ms.IsStatic)
{
// reference for first parameter
fparam_ref_loc = d.Count;
for (int i = 0; i < 4; i++)
{
d.Add(0);
}
}
if (ms.IsVirtual)
{
d.Add(0x1); // virtual
}
// Add parameters
int sig_idx = ms.mdrow == 0 ? ms.msig :
(int)ms.m.GetIntEntry(metadata.MetadataStream.tid_MethodDef, ms.mdrow, 4);
var pc_nonthis = ms.m.GetMethodDefSigParamCount(sig_idx);
var rt_idx = ms.m.GetMethodDefSigRetTypeIndex(sig_idx);
ms.m.GetTypeSpec(ref rt_idx, ms.gtparams, ms.gmparams);
if (ms.m.GetMethodDefSigHasNonExplicitThis(ms.msig))
{
var fparam = new DwarfParamDIE();
fparam.dcu = dcu;
fparam.t = t;
fparam.IsThis = true;
fparam.ts = ms.type.Pointer;
Children.Add(fparam);
}
for (int i = 0; i < pc_nonthis; i++)
{
var fparam = new DwarfParamDIE();
fparam.dcu = dcu;
fparam.t = t;
fparam.IsThis = false;
fparam.ts = ms.m.GetTypeSpec(ref rt_idx, ms.gtparams, ms.gmparams);
if (fparam.ts.stype == metadata.TypeSpec.SpecialType.None &&
!fparam.ts.IsValueType)
{
fparam.ts = fparam.ts.Pointer;
}
Children.Add(fparam);
}
// Get param names
if (ms.mdrow != 0)
{
int param_start = (int)ms.m.GetIntEntry(metadata.MetadataStream.tid_MethodDef,
ms.mdrow, 5);
int param_last_row = ms.m.GetRowCount(metadata.MetadataStream.tid_Param);
int next_param = int.MaxValue;
if (ms.mdrow < ms.m.GetRowCount(metadata.MetadataStream.tid_MethodDef))
{
next_param = (int)ms.m.GetIntEntry(metadata.MetadataStream.tid_MethodDef,
ms.mdrow + 1, 5) - 1;
}
int param_end = param_last_row > next_param ? next_param : param_last_row;
for (int i = param_start; i <= param_end; i++)
{
var seq = ms.m.GetIntEntry(metadata.MetadataStream.tid_Param,
i, 1);
var name = ms.m.GetStringEntry(metadata.MetadataStream.tid_Param,
i, 2);
seq--;
if (ms.m.GetMethodDefSigHasNonExplicitThis(ms.msig))
{
seq++;
}
((DwarfParamDIE)Children[(int)seq]).name = name;
}
}
if (!ms.IsStatic)
{
// Patch the .this pointer to the first child
dcu.fmap[fparam_ref_loc] = Children[0];
}
// Param locations
if (cil != null && cil.la_locs != null && cil.la_locs.Length == Children.Count)
{
for (int i = 0; i < cil.la_locs.Length; i++)
{
((DwarfParamDIE)Children[i]).loc = cil.la_locs[i];
}
}
// Get param names
if (ms.mdrow != 0)
{
string[] pnames = new string[cil.lv_types.Length];
if (ms.m.pdb != null)
{
for (int i = 1; i < ms.m.pdb.table_rows[(int)metadata.MetadataStream.TableId.LocalScope]; i++)
{
var lv_mdrow = (int)ms.m.pdb.GetIntEntry((int)metadata.MetadataStream.TableId.LocalScope,
i, 0);
if (lv_mdrow == ms.mdrow)
{
var lv_start = (int)ms.m.pdb.GetIntEntry((int)metadata.MetadataStream.TableId.LocalScope,
i, 2);
int lv_last_row = ms.m.pdb.GetRowCount((int)metadata.MetadataStream.TableId.LocalVariable);
int next_lv = int.MaxValue;
if (i < ms.m.pdb.GetRowCount((int)metadata.MetadataStream.TableId.LocalScope))
{
next_lv = (int)ms.m.pdb.GetIntEntry((int)metadata.MetadataStream.TableId.LocalScope,
i + 1, 2) - 1;
}
int lv_end = lv_last_row > next_lv ? next_lv : lv_last_row;
for (int j = lv_start; j <= lv_end; j++)
{
var pindex = (int)ms.m.pdb.GetIntEntry((int)metadata.MetadataStream.TableId.LocalVariable,
j, 1);
var pname = ms.m.pdb.GetStringEntry((int)metadata.MetadataStream.TableId.LocalVariable,
j, 2);
pnames[pindex] = pname;
}
}
}
}
for (int i = 0; i < pnames.Length; i++)
{
var pname = pnames[i];
if (pname != null)
{
var ptype = cil.lv_types[i];
var ploc = cil.lv_locs[i];
var vparam = new DwarfVarDIE();
vparam.dcu = dcu;
vparam.t = t;
vparam.ts = ptype;
vparam.name = pname;
vparam.loc = ploc;
if (vparam.ts.stype == metadata.TypeSpec.SpecialType.None &&
!vparam.ts.IsValueType)
{
vparam.ts = vparam.ts.Pointer;
}
Children.Add(vparam);
}
}
}
base.WriteToOutput(ds, d, parent);
}
public override void WriteToOutput(DwarfSections ds, IList <byte> d, DwarfDIE parent)
{
switch (stype)
{
case 0x02:
// bool
d.Add(15);
w(d, "bool", ds.smap);
d.Add((byte)t.GetSize(dcu.m.SystemBool));
d.Add(0x07); // unsigned
break;
case 0x03:
// Char
d.Add(15);
w(d, "char", ds.smap);
d.Add(2);
d.Add(0x06); // signed char
break;
case 0x04:
// I1
d.Add(15);
w(d, "sbyte", ds.smap);
d.Add(1);
d.Add(0x05); // signed
break;
case 0x05:
// U1
d.Add(15);
w(d, "byte", ds.smap);
d.Add(1);
d.Add(0x07); // unsigned
break;
case 0x06:
// I2
d.Add(15);
w(d, "short", ds.smap);
d.Add(2);
d.Add(0x05); // signed
break;
case 0x07:
// U2
d.Add(15);
w(d, "ushort", ds.smap);
d.Add(2);
d.Add(0x07); // unsigned
break;
case 0x08:
// I4
d.Add(15);
w(d, "int", ds.smap);
d.Add(4);
d.Add(0x05); // signed
break;
case 0x09:
// U4
d.Add(15);
w(d, "uint", ds.smap);
d.Add(4);
d.Add(0x07); // unsigned
break;
case 0x0a:
// I8
d.Add(15);
w(d, "long", ds.smap);
d.Add(8);
d.Add(0x05); // signed
break;
case 0x0b:
// U8
d.Add(15);
w(d, "ulong", ds.smap);
d.Add(8);
d.Add(0x07); // unsigned
break;
case 0x0c:
// R4
d.Add(15);
w(d, "float", ds.smap);
d.Add(4);
d.Add(0x04); // float
break;
case 0x0d:
// R8
d.Add(15);
w(d, "double", ds.smap);
d.Add(8);
d.Add(0x04); // float
break;
default:
throw new NotImplementedException();
}
}
private void WriteBaseType(int st, DwarfSections ds, IList <byte> d, DwarfDIE parent)
{
if (parent is DwarfNSDIE && ((DwarfNSDIE)parent).ns == "System" && dcu.basetype_dies.ContainsKey(st))
{
// These are typedefs to types in the global scope
d.Add(20);
w(d, ts.Name, ds.smap);
dcu.fmap[d.Count] = dcu.basetype_dies[st];
for (int i = 0; i < 4; i++)
{
d.Add(0);
}
if (st == 0x1c)
{
System.Diagnostics.Debugger.Break();
}
}
else
{
/* There are a few CLI basetypes that do not have C# equivalents
* or this is a string/object in the main namespace */
switch (st)
{
case 0x11:
// ValueType
// class_type
d.Add(13);
w(d, "ValueType", ds.smap);
w(d, (uint)t.GetSize(ts));
base.WriteToOutput(ds, d, parent);
break;
case 0x18:
// IntPtr
d.Add(20);
w(d, "IntPtr", ds.smap);
dcu.fmap[d.Count] = dcu.basetype_dies[t.psize == 4 ? 0x08 : 0x0a];
for (int i = 0; i < 4; i++)
{
d.Add(0);
}
break;
case 0x19:
// IntPtr
d.Add(20);
w(d, "UIntPtr", ds.smap);
dcu.fmap[d.Count] = dcu.basetype_dies[t.psize == 4 ? 0x09 : 0x0b];
for (int i = 0; i < 4; i++)
{
d.Add(0);
}
break;
case 0x0e:
// String
// class_type
d.Add(13);
w(d, NameOverride ?? "String", ds.smap);
w(d, 0); // size - TODO
base.WriteToOutput(ds, d, parent);
break;
case 0x1c:
// Object
// class_type
d.Add(13);
w(d, NameOverride ?? "Object", ds.smap);
w(d, (uint)t.GetSize(ts));
base.WriteToOutput(ds, d, parent);
break;
default:
throw new NotImplementedException();
}
}
}
public override void WriteToOutput(DwarfSections ds, IList <byte> d, DwarfDIE parent)
{
int abbrev;
// decide upon type
switch (ts.stype)
{
case metadata.TypeSpec.SpecialType.Ptr:
case metadata.TypeSpec.SpecialType.MPtr:
d.Add(16);
d.Add((byte)t.psize);
dcu.fmap[d.Count] = dcu.GetTypeDie(ts.other);
for (int i = 0; i < 4; i++)
{
d.Add(0);
}
break;
case metadata.TypeSpec.SpecialType.Array:
throw new NotImplementedException();
case metadata.TypeSpec.SpecialType.SzArray:
throw new NotImplementedException();
case metadata.TypeSpec.SpecialType.None:
if (ts.SimpleType != 0)
{
// base_type
WriteBaseType(ts.SimpleType, ds, d, parent);
}
else if (ts.IsValueType && (ts.m == dcu.m))
{
if (ts.m == dcu.m)
{
// structure_type
var source_loc = GetSourceLoc();
if (source_loc == null)
{
d.Add(14);
}
else
{
d.Add(24);
}
w(d, ts.Name, ds.smap);
w(d, (uint)t.GetSize(ts));
if (source_loc != null)
{
d.Add((byte)source_loc.file);
d.Add((byte)source_loc.line);
d.Add((byte)source_loc.col);
}
base.WriteToOutput(ds, d, parent);
}
else
{
// structure_type external
throw new NotImplementedException();
}
}
else
{
if (ts.m == dcu.m)
{
// class_type
var source_loc = GetSourceLoc();
if (source_loc == null)
{
d.Add(13);
}
else
{
d.Add(23);
}
w(d, ts.Name, ds.smap);
w(d, (uint)t.GetSize(ts));
if (source_loc != null)
{
d.Add((byte)source_loc.file);
d.Add((byte)source_loc.line);
d.Add((byte)source_loc.col);
}
base.WriteToOutput(ds, d, parent);
}
else
{
// class_type external
throw new NotImplementedException();
}
}
break;
default:
throw new NotImplementedException();
}
}
