DH 2012-11-15 01:39:56 +02:00
parent de070bf485
commit a90b5cf37a
1998 changed files with 1034301 additions and 0 deletions

196
rpcs3/Loader/ELF32.cpp Normal file
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#include "stdafx.h"
#include "ELF32.h"
ELF32Loader::ELF32Loader(wxFile& f)
: elf32_f(f)
, LoaderBase()
{
}
ELF32Loader::ELF32Loader(const wxString& path)
: elf32_f(*new wxFile(path))
, LoaderBase()
{
}
bool ELF32Loader::LoadInfo()
{
if(!elf32_f.IsOpened()) return false;
if(!LoadEhdrInfo()) return false;
if(!LoadPhdrInfo()) return false;
if(!LoadShdrInfo()) return false;
return true;
}
bool ELF32Loader::LoadData()
{
if(!elf32_f.IsOpened()) return false;
if(!LoadEhdrData()) return false;
if(!LoadPhdrData()) return false;
if(!LoadShdrData()) return false;
return true;
}
bool ELF32Loader::Close()
{
return elf32_f.Close();
}
bool ELF32Loader::LoadEhdrInfo()
{
elf32_f.Seek(0);
ehdr.Load(elf32_f);
if(!ehdr.CheckMagic()) return false;
switch(ehdr.e_machine)
{
case MACHINE_PPC64:
case MACHINE_SPU:
machine = (Elf_Machine)ehdr.e_machine;
break;
default:
machine = MACHINE_Unknown;
ConLog.Error("Unknown elf32 type: 0x%x", ehdr.e_machine);
return false;
}
entry = ehdr.GetEntry();
if(entry == 0)
{
ConLog.Error("elf32 error: entry is null!");
return false;
}
return true;
}
bool ELF32Loader::LoadPhdrInfo()
{
if(ehdr.e_phoff == 0 && ehdr.e_phnum)
{
ConLog.Error("LoadPhdr32 error: Program header offset is null!");
return false;
}
elf32_f.Seek(ehdr.e_phoff);
for(uint i=0; i<ehdr.e_phnum; ++i)
{
Elf32_Phdr phdr;
phdr.Load(elf32_f);
phdr_arr.AddCpy(phdr);
}
return true;
}
bool ELF32Loader::LoadShdrInfo()
{
elf32_f.Seek(ehdr.e_shoff);
for(u32 i=0; i<ehdr.e_shnum; ++i)
{
Elf32_Shdr shdr;
shdr.Load(elf32_f);
shdr_arr.AddCpy(shdr);
}
if(ehdr.e_shstrndx >= shdr_arr.GetCount())
{
ConLog.Error("LoadShdr64 error: shstrndx too big!");
return false;
}
for(u32 i=0; i<shdr_arr.GetCount(); ++i)
{
elf32_f.Seek(shdr_arr[ehdr.e_shstrndx].sh_offset + shdr_arr[i].sh_name);
wxString name = wxEmptyString;
while(!elf32_f.Eof())
{
char c;
elf32_f.Read(&c, 1);
if(c == 0) break;
name += c;
}
shdr_name_arr.Add(name);
}
return true;
}
bool ELF32Loader::LoadEhdrData()
{
#ifdef LOADER_DEBUG
ConLog.SkipLn();
ehdr.Show();
ConLog.SkipLn();
#endif
return true;
}
bool ELF32Loader::LoadPhdrData()
{
for(u32 i=0; i<phdr_arr.GetCount(); ++i)
{
phdr_arr[i].Show();
if(phdr_arr[i].p_type == 0x00000001) //LOAD
{
if(phdr_arr[i].p_vaddr != phdr_arr[i].p_paddr)
{
ConLog.Warning
(
"LoadPhdr32 different load addrs: paddr=0x%8.8x, vaddr=0x%8.8x",
phdr_arr[i].p_paddr, phdr_arr[i].p_vaddr
);
}
elf32_f.Seek(phdr_arr[i].p_offset);
elf32_f.Read(Memory.GetMemFromAddr(phdr_arr[i].p_paddr), phdr_arr[i].p_filesz);
}
#ifdef LOADER_DEBUG
ConLog.SkipLn();
#endif
}
return true;
}
bool ELF32Loader::LoadShdrData()
{
Memory.MemFlags.Clear();
for(u32 i=0; i<shdr_arr.GetCount(); ++i)
{
Elf32_Shdr& shdr = shdr_arr[i];
#ifdef LOADER_DEBUG
if(i < shdr_name_arr.GetCount()) ConLog.Write("Name: %s", shdr_name_arr[i]);
shdr.Show();
ConLog.SkipLn();
#endif
if((shdr.sh_flags & SHF_ALLOC) != SHF_ALLOC) continue;
const s64 addr = shdr.sh_addr;
const s64 size = shdr.sh_size;
MemoryBlock* mem = NULL;
/*
switch(shdr.sh_type)
{
case SHT_NOBITS:
if(size == 0) continue;
memset(&Memory[addr], 0, size);
case SHT_PROGBITS:
break;
}
*/
}
//TODO
return true;
}