mirrors/ryujinx
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Rename Ryujinx.Core to Ryujinx.HLE and add a separate project for a future LLE implementation

Browse source
This commit is contained in:
gdkchan 2018-06-10 21:46:42 -03:00
parent 518fe799da
commit 76f3b1b3a4
248 changed files with 2266 additions and 2244 deletions
Download patch file Download diff file Expand all files Collapse all files

78
Ryujinx.HLE/Loaders/Compression/Lz4.cs Normal file
View file

@ -0,0 +1,78 @@
using System;
namespace Ryujinx.HLE.Loaders.Compression
{
static class Lz4
{
public static byte[] Decompress(byte[] Cmp, int DecLength)
{
byte[] Dec = new byte[DecLength];
int CmpPos = 0;
int DecPos = 0;
int GetLength(int Length)
{
byte Sum;
if (Length == 0xf)
{
do
{
Length += (Sum = Cmp[CmpPos++]);
}
while (Sum == 0xff);
}
return Length;
}
do
{
byte Token = Cmp[CmpPos++];
int EncCount = (Token >> 0) & 0xf;
int LitCount = (Token >> 4) & 0xf;
//Copy literal chunck
LitCount = GetLength(LitCount);
Buffer.BlockCopy(Cmp, CmpPos, Dec, DecPos, LitCount);
CmpPos += LitCount;
DecPos += LitCount;
if (CmpPos >= Cmp.Length)
{
break;
}
//Copy compressed chunck
int Back = Cmp[CmpPos++] << 0 |
Cmp[CmpPos++] << 8;
EncCount = GetLength(EncCount) + 4;
int EncPos = DecPos - Back;
if (EncCount <= Back)
{
Buffer.BlockCopy(Dec, EncPos, Dec, DecPos, EncCount);
DecPos += EncCount;
}
else
{
while (EncCount-- > 0)
{
Dec[DecPos++] = Dec[EncPos++];
}
}
}
while (CmpPos < Cmp.Length &&
DecPos < Dec.Length);
return Dec;
}
}
}

15
Ryujinx.HLE/Loaders/ElfDyn.cs Normal file
View file

@ -0,0 +1,15 @@
namespace Ryujinx.HLE.Loaders
{
struct ElfDyn
{
public ElfDynTag Tag { get; private set; }
public long Value { get; private set; }
public ElfDyn(ElfDynTag Tag, long Value)
{
this.Tag = Tag;
this.Value = Value;
}
}
}

72
Ryujinx.HLE/Loaders/ElfDynTag.cs Normal file
View file

@ -0,0 +1,72 @@
namespace Ryujinx.HLE.Loaders
{
enum ElfDynTag
{
DT_NULL = 0,
DT_NEEDED = 1,
DT_PLTRELSZ = 2,
DT_PLTGOT = 3,
DT_HASH = 4,
DT_STRTAB = 5,
DT_SYMTAB = 6,
DT_RELA = 7,
DT_RELASZ = 8,
DT_RELAENT = 9,
DT_STRSZ = 10,
DT_SYMENT = 11,
DT_INIT = 12,
DT_FINI = 13,
DT_SONAME = 14,
DT_RPATH = 15,
DT_SYMBOLIC = 16,
DT_REL = 17,
DT_RELSZ = 18,
DT_RELENT = 19,
DT_PLTREL = 20,
DT_DEBUG = 21,
DT_TEXTREL = 22,
DT_JMPREL = 23,
DT_BIND_NOW = 24,
DT_INIT_ARRAY = 25,
DT_FINI_ARRAY = 26,
DT_INIT_ARRAYSZ = 27,
DT_FINI_ARRAYSZ = 28,
DT_RUNPATH = 29,
DT_FLAGS = 30,
DT_ENCODING = 32,
DT_PREINIT_ARRAY = 32,
DT_PREINIT_ARRAYSZ = 33,
DT_GNU_PRELINKED = 0x6ffffdf5,
DT_GNU_CONFLICTSZ = 0x6ffffdf6,
DT_GNU_LIBLISTSZ = 0x6ffffdf7,
DT_CHECKSUM = 0x6ffffdf8,
DT_PLTPADSZ = 0x6ffffdf9,
DT_MOVEENT = 0x6ffffdfa,
DT_MOVESZ = 0x6ffffdfb,
DT_FEATURE_1 = 0x6ffffdfc,
DT_POSFLAG_1 = 0x6ffffdfd,
DT_SYMINSZ = 0x6ffffdfe,
DT_SYMINENT = 0x6ffffdff,
DT_GNU_HASH = 0x6ffffef5,
DT_TLSDESC_PLT = 0x6ffffef6,
DT_TLSDESC_GOT = 0x6ffffef7,
DT_GNU_CONFLICT = 0x6ffffef8,
DT_GNU_LIBLIST = 0x6ffffef9,
DT_CONFIG = 0x6ffffefa,
DT_DEPAUDIT = 0x6ffffefb,
DT_AUDIT = 0x6ffffefc,
DT_PLTPAD = 0x6ffffefd,
DT_MOVETAB = 0x6ffffefe,
DT_SYMINFO = 0x6ffffeff,
DT_VERSYM = 0x6ffffff0,
DT_RELACOUNT = 0x6ffffff9,
DT_RELCOUNT = 0x6ffffffa,
DT_FLAGS_1 = 0x6ffffffb,
DT_VERDEF = 0x6ffffffc,
DT_VERDEFNUM = 0x6ffffffd,
DT_VERNEED = 0x6ffffffe,
DT_VERNEEDNUM = 0x6fffffff,
DT_AUXILIARY = 0x7ffffffd,
DT_FILTER = 0x7fffffff
}
}

19
Ryujinx.HLE/Loaders/ElfRel.cs Normal file
View file

@ -0,0 +1,19 @@
namespace Ryujinx.HLE.Loaders
{
struct ElfRel
{
public long Offset { get; private set; }
public long Addend { get; private set; }
public ElfSym Symbol { get; private set; }
public ElfRelType Type { get; private set; }
public ElfRel(long Offset, long Addend, ElfSym Symbol, ElfRelType Type)
{
this.Offset = Offset;
this.Addend = Addend;
this.Symbol = Symbol;
this.Type = Type;
}
}
}

128
Ryujinx.HLE/Loaders/ElfRelType.cs Normal file
View file

@ -0,0 +1,128 @@
namespace Ryujinx.HLE.Loaders
{
enum ElfRelType
{
R_AARCH64_NONE = 0,
R_AARCH64_ABS64 = 257,
R_AARCH64_ABS32 = 258,
R_AARCH64_ABS16 = 259,
R_AARCH64_PREL64 = 260,
R_AARCH64_PREL32 = 261,
R_AARCH64_PREL16 = 262,
R_AARCH64_MOVW_UABS_G0 = 263,
R_AARCH64_MOVW_UABS_G0_NC = 264,
R_AARCH64_MOVW_UABS_G1 = 265,
R_AARCH64_MOVW_UABS_G1_NC = 266,
R_AARCH64_MOVW_UABS_G2 = 267,
R_AARCH64_MOVW_UABS_G2_NC = 268,
R_AARCH64_MOVW_UABS_G3 = 269,
R_AARCH64_MOVW_SABS_G0 = 270,
R_AARCH64_MOVW_SABS_G1 = 271,
R_AARCH64_MOVW_SABS_G2 = 272,
R_AARCH64_LD_PREL_LO19 = 273,
R_AARCH64_ADR_PREL_LO21 = 274,
R_AARCH64_ADR_PREL_PG_HI21 = 275,
R_AARCH64_ADR_PREL_PG_HI21_NC = 276,
R_AARCH64_ADD_ABS_LO12_NC = 277,
R_AARCH64_LDST8_ABS_LO12_NC = 278,
R_AARCH64_TSTBR14 = 279,
R_AARCH64_CONDBR19 = 280,
R_AARCH64_JUMP26 = 282,
R_AARCH64_CALL26 = 283,
R_AARCH64_LDST16_ABS_LO12_NC = 284,
R_AARCH64_LDST32_ABS_LO12_NC = 285,
R_AARCH64_LDST64_ABS_LO12_NC = 286,
R_AARCH64_MOVW_PREL_G0 = 287,
R_AARCH64_MOVW_PREL_G0_NC = 288,
R_AARCH64_MOVW_PREL_G1 = 289,
R_AARCH64_MOVW_PREL_G1_NC = 290,
R_AARCH64_MOVW_PREL_G2 = 291,
R_AARCH64_MOVW_PREL_G2_NC = 292,
R_AARCH64_MOVW_PREL_G3 = 293,
R_AARCH64_LDST128_ABS_LO12_NC = 299,
R_AARCH64_MOVW_GOTOFF_G0 = 300,
R_AARCH64_MOVW_GOTOFF_G0_NC = 301,
R_AARCH64_MOVW_GOTOFF_G1 = 302,
R_AARCH64_MOVW_GOTOFF_G1_NC = 303,
R_AARCH64_MOVW_GOTOFF_G2 = 304,
R_AARCH64_MOVW_GOTOFF_G2_NC = 305,
R_AARCH64_MOVW_GOTOFF_G3 = 306,
R_AARCH64_GOTREL64 = 307,
R_AARCH64_GOTREL32 = 308,
R_AARCH64_GOT_LD_PREL19 = 309,
R_AARCH64_LD64_GOTOFF_LO15 = 310,
R_AARCH64_ADR_GOT_PAGE = 311,
R_AARCH64_LD64_GOT_LO12_NC = 312,
R_AARCH64_LD64_GOTPAGE_LO15 = 313,
R_AARCH64_TLSGD_ADR_PREL21 = 512,
R_AARCH64_TLSGD_ADR_PAGE21 = 513,
R_AARCH64_TLSGD_ADD_LO12_NC = 514,
R_AARCH64_TLSGD_MOVW_G1 = 515,
R_AARCH64_TLSGD_MOVW_G0_NC = 516,
R_AARCH64_TLSLD_ADR_PREL21 = 517,
R_AARCH64_TLSLD_ADR_PAGE21 = 518,
R_AARCH64_TLSLD_ADD_LO12_NC = 519,
R_AARCH64_TLSLD_MOVW_G1 = 520,
R_AARCH64_TLSLD_MOVW_G0_NC = 521,
R_AARCH64_TLSLD_LD_PREL19 = 522,
R_AARCH64_TLSLD_MOVW_DTPREL_G2 = 523,
R_AARCH64_TLSLD_MOVW_DTPREL_G1 = 524,
R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC = 525,
R_AARCH64_TLSLD_MOVW_DTPREL_G0 = 526,
R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC = 527,
R_AARCH64_TLSLD_ADD_DTPREL_HI12 = 528,
R_AARCH64_TLSLD_ADD_DTPREL_LO12 = 529,
R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC = 530,
R_AARCH64_TLSLD_LDST8_DTPREL_LO12 = 531,
R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC = 532,
R_AARCH64_TLSLD_LDST16_DTPREL_LO12 = 533,
R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC = 534,
R_AARCH64_TLSLD_LDST32_DTPREL_LO12 = 535,
R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC = 536,
R_AARCH64_TLSLD_LDST64_DTPREL_LO12 = 537,
R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC = 538,
R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 = 539,
R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC = 540,
R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 = 541,
R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC = 542,
R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 = 543,
R_AARCH64_TLSLE_MOVW_TPREL_G2 = 544,
R_AARCH64_TLSLE_MOVW_TPREL_G1 = 545,
R_AARCH64_TLSLE_MOVW_TPREL_G1_NC = 546,
R_AARCH64_TLSLE_MOVW_TPREL_G0 = 547,
R_AARCH64_TLSLE_MOVW_TPREL_G0_NC = 548,
R_AARCH64_TLSLE_ADD_TPREL_HI12 = 549,
R_AARCH64_TLSLE_ADD_TPREL_LO12 = 550,
R_AARCH64_TLSLE_ADD_TPREL_LO12_NC = 551,
R_AARCH64_TLSLE_LDST8_TPREL_LO12 = 552,
R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC = 553,
R_AARCH64_TLSLE_LDST16_TPREL_LO12 = 554,
R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC = 555,
R_AARCH64_TLSLE_LDST32_TPREL_LO12 = 556,
R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC = 557,
R_AARCH64_TLSLE_LDST64_TPREL_LO12 = 558,
R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC = 559,
R_AARCH64_TLSDESC_LD_PREL19 = 560,
R_AARCH64_TLSDESC_ADR_PREL21 = 561,
R_AARCH64_TLSDESC_ADR_PAGE21 = 562,
R_AARCH64_TLSDESC_LD64_LO12 = 563,
R_AARCH64_TLSDESC_ADD_LO12 = 564,
R_AARCH64_TLSDESC_OFF_G1 = 565,
R_AARCH64_TLSDESC_OFF_G0_NC = 566,
R_AARCH64_TLSDESC_LDR = 567,
R_AARCH64_TLSDESC_ADD = 568,
R_AARCH64_TLSDESC_CALL = 569,
R_AARCH64_TLSLE_LDST128_TPREL_LO12 = 570,
R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC = 571,
R_AARCH64_TLSLD_LDST128_DTPREL_LO12 = 572,
R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC = 573,
R_AARCH64_COPY = 1024,
R_AARCH64_GLOB_DAT = 1025,
R_AARCH64_JUMP_SLOT = 1026,
R_AARCH64_RELATIVE = 1027,
R_AARCH64_TLS_DTPMOD64 = 1028,
R_AARCH64_TLS_DTPREL64 = 1029,
R_AARCH64_TLS_TPREL64 = 1030,
R_AARCH64_TLSDESC = 1031
}
}

40
Ryujinx.HLE/Loaders/ElfSym.cs Normal file
View file

@ -0,0 +1,40 @@
namespace Ryujinx.HLE.Loaders
{
struct ElfSym
{
public string Name { get; private set; }
public ElfSymType Type { get; private set; }
public ElfSymBinding Binding { get; private set; }
public ElfSymVisibility Visibility { get; private set; }
public bool IsFuncOrObject =>
Type == ElfSymType.STT_FUNC ||
Type == ElfSymType.STT_OBJECT;
public bool IsGlobalOrWeak =>
Binding == ElfSymBinding.STB_GLOBAL ||
Binding == ElfSymBinding.STB_WEAK;
public int SHIdx { get; private set; }
public long Value { get; private set; }
public long Size { get; private set; }
public ElfSym(
string Name,
int Info,
int Other,
int SHIdx,
long Value,
long Size)
{
this.Name = Name;
this.Type = (ElfSymType)(Info & 0xf);
this.Binding = (ElfSymBinding)(Info >> 4);
this.Visibility = (ElfSymVisibility)Other;
this.SHIdx = SHIdx;
this.Value = Value;
this.Size = Size;
}
}
}

9
Ryujinx.HLE/Loaders/ElfSymBinding.cs Normal file
View file

@ -0,0 +1,9 @@
namespace Ryujinx.HLE.Loaders
{
enum ElfSymBinding
{
STB_LOCAL = 0,
STB_GLOBAL = 1,
STB_WEAK = 2
}
}

13
Ryujinx.HLE/Loaders/ElfSymType.cs Normal file
View file

@ -0,0 +1,13 @@
namespace Ryujinx.HLE.Loaders
{
enum ElfSymType
{
STT_NOTYPE = 0,
STT_OBJECT = 1,
STT_FUNC = 2,
STT_SECTION = 3,
STT_FILE = 4,
STT_COMMON = 5,
STT_TLS = 6
}
}

10
Ryujinx.HLE/Loaders/ElfSymVisibility.cs Normal file
View file

@ -0,0 +1,10 @@
namespace Ryujinx.HLE.Loaders
{
enum ElfSymVisibility
{
STV_DEFAULT = 0,
STV_INTERNAL = 1,
STV_HIDDEN = 2,
STV_PROTECTED = 3
}
}

173
Ryujinx.HLE/Loaders/Executable.cs Normal file
View file

@ -0,0 +1,173 @@
using ChocolArm64.Memory;
using Ryujinx.HLE.Loaders.Executables;
using Ryujinx.HLE.OsHle;
using System.Collections.Generic;
namespace Ryujinx.HLE.Loaders
{
class Executable
{
private List<ElfDyn> Dynamic;
private Dictionary<long, string> m_SymbolTable;
public IReadOnlyDictionary<long, string> SymbolTable => m_SymbolTable;
public string Name { get; private set; }
private AMemory Memory;
public long ImageBase { get; private set; }
public long ImageEnd { get; private set; }
public Executable(IExecutable Exe, AMemory Memory, long ImageBase)
{
Dynamic = new List<ElfDyn>();
m_SymbolTable = new Dictionary<long, string>();
Name = Exe.Name;
this.Memory = Memory;
this.ImageBase = ImageBase;
this.ImageEnd = ImageBase;
WriteData(ImageBase + Exe.TextOffset, Exe.Text, MemoryType.CodeStatic, AMemoryPerm.RX);
WriteData(ImageBase + Exe.ROOffset, Exe.RO, MemoryType.CodeMutable, AMemoryPerm.Read);
WriteData(ImageBase + Exe.DataOffset, Exe.Data, MemoryType.CodeMutable, AMemoryPerm.RW);
if (Exe.Mod0Offset == 0)
{
int BssOffset = Exe.DataOffset + Exe.Data.Length;
int BssSize = Exe.BssSize;
MapBss(ImageBase + BssOffset, BssSize);
ImageEnd = ImageBase + BssOffset + BssSize;
return;
}
long Mod0Offset = ImageBase + Exe.Mod0Offset;
int Mod0Magic = Memory.ReadInt32(Mod0Offset + 0x0);
long DynamicOffset = Memory.ReadInt32(Mod0Offset + 0x4) + Mod0Offset;
long BssStartOffset = Memory.ReadInt32(Mod0Offset + 0x8) + Mod0Offset;
long BssEndOffset = Memory.ReadInt32(Mod0Offset + 0xc) + Mod0Offset;
long EhHdrStartOffset = Memory.ReadInt32(Mod0Offset + 0x10) + Mod0Offset;
long EhHdrEndOffset = Memory.ReadInt32(Mod0Offset + 0x14) + Mod0Offset;
long ModObjOffset = Memory.ReadInt32(Mod0Offset + 0x18) + Mod0Offset;
MapBss(BssStartOffset, BssEndOffset - BssStartOffset);
ImageEnd = BssEndOffset;
while (true)
{
long TagVal = Memory.ReadInt64(DynamicOffset + 0);
long Value = Memory.ReadInt64(DynamicOffset + 8);
DynamicOffset += 0x10;
ElfDynTag Tag = (ElfDynTag)TagVal;
if (Tag == ElfDynTag.DT_NULL)
{
break;
}
Dynamic.Add(new ElfDyn(Tag, Value));
}
long StrTblAddr = ImageBase + GetFirstValue(ElfDynTag.DT_STRTAB);
long SymTblAddr = ImageBase + GetFirstValue(ElfDynTag.DT_SYMTAB);
long SymEntSize = GetFirstValue(ElfDynTag.DT_SYMENT);
while ((ulong)SymTblAddr < (ulong)StrTblAddr)
{
ElfSym Sym = GetSymbol(SymTblAddr, StrTblAddr);
m_SymbolTable.TryAdd(Sym.Value, Sym.Name);
SymTblAddr += SymEntSize;
}
}
private void WriteData(
long Position,
byte[] Data,
MemoryType Type,
AMemoryPerm Perm)
{
Memory.Manager.Map(Position, Data.Length, (int)Type, AMemoryPerm.Write);
Memory.WriteBytes(Position, Data);
Memory.Manager.Reprotect(Position, Data.Length, Perm);
}
private void MapBss(long Position, long Size)
{
Memory.Manager.Map(Position, Size, (int)MemoryType.Normal, AMemoryPerm.RW);
}
private ElfRel GetRelocation(long Position)
{
long Offset = Memory.ReadInt64(Position + 0);
long Info = Memory.ReadInt64(Position + 8);
long Addend = Memory.ReadInt64(Position + 16);
int RelType = (int)(Info >> 0);
int SymIdx = (int)(Info >> 32);
ElfSym Symbol = GetSymbol(SymIdx);
return new ElfRel(Offset, Addend, Symbol, (ElfRelType)RelType);
}
private ElfSym GetSymbol(int Index)
{
long StrTblAddr = ImageBase + GetFirstValue(ElfDynTag.DT_STRTAB);
long SymTblAddr = ImageBase + GetFirstValue(ElfDynTag.DT_SYMTAB);
long SymEntSize = GetFirstValue(ElfDynTag.DT_SYMENT);
long Position = SymTblAddr + Index * SymEntSize;
return GetSymbol(Position, StrTblAddr);
}
private ElfSym GetSymbol(long Position, long StrTblAddr)
{
int NameIndex = Memory.ReadInt32(Position + 0);
int Info = Memory.ReadByte(Position + 4);
int Other = Memory.ReadByte(Position + 5);
int SHIdx = Memory.ReadInt16(Position + 6);
long Value = Memory.ReadInt64(Position + 8);
long Size = Memory.ReadInt64(Position + 16);
string Name = string.Empty;
for (int Chr; (Chr = Memory.ReadByte(StrTblAddr + NameIndex++)) != 0;)
{
Name += (char)Chr;
}
return new ElfSym(Name, Info, Other, SHIdx, Value, Size);
}
private long GetFirstValue(ElfDynTag Tag)
{
foreach (ElfDyn Entry in Dynamic)
{
if (Entry.Tag == Tag)
{
return Entry.Value;
}
}
return 0;
}
}
}

17
Ryujinx.HLE/Loaders/Executables/IExecutable.cs Normal file
View file

@ -0,0 +1,17 @@
namespace Ryujinx.HLE.Loaders.Executables
{
public interface IExecutable
{
string Name { get; }
byte[] Text { get; }
byte[] RO { get; }
byte[] Data { get; }
int Mod0Offset { get; }
int TextOffset { get; }
int ROOffset { get; }
int DataOffset { get; }
int BssSize { get; }
}
}

60
Ryujinx.HLE/Loaders/Executables/Nro.cs Normal file
View file

@ -0,0 +1,60 @@
using System.IO;
namespace Ryujinx.HLE.Loaders.Executables
{
class Nro : IExecutable
{
public string Name { get; private set; }
public byte[] Text { get; private set; }
public byte[] RO { get; private set; }
public byte[] Data { get; private set; }
public int Mod0Offset { get; private set; }
public int TextOffset { get; private set; }
public int ROOffset { get; private set; }
public int DataOffset { get; private set; }
public int BssSize { get; private set; }
public Nro(Stream Input, string Name)
{
this.Name = Name;
BinaryReader Reader = new BinaryReader(Input);
Input.Seek(4, SeekOrigin.Begin);
int Mod0Offset = Reader.ReadInt32();
int Padding8 = Reader.ReadInt32();
int Paddingc = Reader.ReadInt32();
int NroMagic = Reader.ReadInt32();
int Unknown14 = Reader.ReadInt32();
int FileSize = Reader.ReadInt32();
int Unknown1c = Reader.ReadInt32();
int TextOffset = Reader.ReadInt32();
int TextSize = Reader.ReadInt32();
int ROOffset = Reader.ReadInt32();
int ROSize = Reader.ReadInt32();
int DataOffset = Reader.ReadInt32();
int DataSize = Reader.ReadInt32();
int BssSize = Reader.ReadInt32();
this.Mod0Offset = Mod0Offset;
this.TextOffset = TextOffset;
this.ROOffset = ROOffset;
this.DataOffset = DataOffset;
this.BssSize = BssSize;
byte[] Read(long Position, int Size)
{
Input.Seek(Position, SeekOrigin.Begin);
return Reader.ReadBytes(Size);
}
Text = Read(TextOffset, TextSize);
RO = Read(ROOffset, ROSize);
Data = Read(DataOffset, DataSize);
}
}
}

121
Ryujinx.HLE/Loaders/Executables/Nso.cs Normal file
View file

@ -0,0 +1,121 @@
using Ryujinx.HLE.Loaders.Compression;
using System;
using System.IO;
namespace Ryujinx.HLE.Loaders.Executables
{
class Nso : IExecutable
{
public string Name { get; private set; }
public byte[] Text { get; private set; }
public byte[] RO { get; private set; }
public byte[] Data { get; private set; }
public int Mod0Offset { get; private set; }
public int TextOffset { get; private set; }
public int ROOffset { get; private set; }
public int DataOffset { get; private set; }
public int BssSize { get; private set; }
[Flags]
private enum NsoFlags
{
IsTextCompressed = 1 << 0,
IsROCompressed = 1 << 1,
IsDataCompressed = 1 << 2,
HasTextHash = 1 << 3,
HasROHash = 1 << 4,
HasDataHash = 1 << 5
}
public Nso(Stream Input, string Name)
{
this.Name = Name;
BinaryReader Reader = new BinaryReader(Input);
Input.Seek(0, SeekOrigin.Begin);
int NsoMagic = Reader.ReadInt32();
int Version = Reader.ReadInt32();
int Reserved = Reader.ReadInt32();
int FlagsMsk = Reader.ReadInt32();
int TextOffset = Reader.ReadInt32();
int TextMemOffset = Reader.ReadInt32();
int TextDecSize = Reader.ReadInt32();
int ModNameOffset = Reader.ReadInt32();
int ROOffset = Reader.ReadInt32();
int ROMemOffset = Reader.ReadInt32();
int RODecSize = Reader.ReadInt32();
int ModNameSize = Reader.ReadInt32();
int DataOffset = Reader.ReadInt32();
int DataMemOffset = Reader.ReadInt32();
int DataDecSize = Reader.ReadInt32();
int BssSize = Reader.ReadInt32();
byte[] BuildId = Reader.ReadBytes(0x20);
int TextSize = Reader.ReadInt32();
int ROSize = Reader.ReadInt32();
int DataSize = Reader.ReadInt32();
Input.Seek(0x24, SeekOrigin.Current);
int DynStrOffset = Reader.ReadInt32();
int DynStrSize = Reader.ReadInt32();
int DynSymOffset = Reader.ReadInt32();
int DynSymSize = Reader.ReadInt32();
byte[] TextHash = Reader.ReadBytes(0x20);
byte[] ROHash = Reader.ReadBytes(0x20);
byte[] DataHash = Reader.ReadBytes(0x20);
NsoFlags Flags = (NsoFlags)FlagsMsk;
this.TextOffset = TextMemOffset;
this.ROOffset = ROMemOffset;
this.DataOffset = DataMemOffset;
this.BssSize = BssSize;
//Text segment
Input.Seek(TextOffset, SeekOrigin.Begin);
Text = Reader.ReadBytes(TextSize);
if (Flags.HasFlag(NsoFlags.IsTextCompressed) || true)
{
Text = Lz4.Decompress(Text, TextDecSize);
}
//Read-only data segment
Input.Seek(ROOffset, SeekOrigin.Begin);
RO = Reader.ReadBytes(ROSize);
if (Flags.HasFlag(NsoFlags.IsROCompressed) || true)
{
RO = Lz4.Decompress(RO, RODecSize);
}
//Data segment
Input.Seek(DataOffset, SeekOrigin.Begin);
Data = Reader.ReadBytes(DataSize);
if (Flags.HasFlag(NsoFlags.IsDataCompressed) || true)
{
Data = Lz4.Decompress(Data, DataDecSize);
}
using (MemoryStream TextMS = new MemoryStream(Text))
{
BinaryReader TextReader = new BinaryReader(TextMS);
TextMS.Seek(4, SeekOrigin.Begin);
Mod0Offset = TextReader.ReadInt32();
}
}
}
}