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Added ELF32 little endian support for PSP ELF files.

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This commit is contained in:
Hykem 2013-10-28 21:58:03 +00:00
parent f1b420eb3b
commit 198d0a2fc0
4 changed files with 128 additions and 7 deletions
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26
rpcs3/Loader/ELF32.cpp
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@ -1,6 +1,8 @@
#include "stdafx.h"
#include "ELF32.h"
bool isLittleEndian;
ELF32Loader::ELF32Loader(vfsStream& f)
: elf32_f(f)
, LoaderBase()
@ -36,13 +38,21 @@ bool ELF32Loader::Close()
bool ELF32Loader::LoadEhdrInfo()
{
u8 endian;
elf32_f.Seek(5);
elf32_f.Read(&endian, 1);
isLittleEndian = (endian == 0x1);
elf32_f.Reset();
elf32_f.Seek(0);
ehdr.Load(elf32_f);
if (isLittleEndian) ehdr.LoadLE(elf32_f);
else ehdr.Load(elf32_f);
if(!ehdr.CheckMagic()) return false;
switch(ehdr.e_machine)
{
case MACHINE_MIPS:
case MACHINE_PPC64:
case MACHINE_SPU:
machine = (Elf_Machine)ehdr.e_machine;
@ -76,7 +86,8 @@ bool ELF32Loader::LoadPhdrInfo()
for(uint i=0; i<ehdr.e_phnum; ++i)
{
Elf32_Phdr* phdr = new Elf32_Phdr();
phdr->Load(elf32_f);
if(isLittleEndian) phdr->LoadLE(elf32_f);
else phdr->Load(elf32_f);
phdr_arr.Move(phdr);
}
@ -89,13 +100,14 @@ bool ELF32Loader::LoadShdrInfo()
for(u32 i=0; i<ehdr.e_shnum; ++i)
{
Elf32_Shdr* shdr = new Elf32_Shdr();
shdr->Load(elf32_f);
if(isLittleEndian) shdr->LoadLE(elf32_f);
else shdr->Load(elf32_f);
shdr_arr.Move(shdr);
}
if(ehdr.e_shstrndx >= shdr_arr.GetCount())
{
ConLog.Error("LoadShdr64 error: shstrndx too big!");
ConLog.Error("LoadShdr32 error: shstrndx too big!");
return false;
}
@ -110,8 +122,7 @@ bool ELF32Loader::LoadShdrInfo()
if(c == 0) break;
name += c;
}
shdr_name_arr.Add(name);
shdr_name_arr.Add(name);
}
return true;
@ -162,7 +173,8 @@ bool ELF32Loader::LoadPhdrData(u64 offset)
{
elf32_f.Seek(phdr_arr[i].p_offset);
Elf32_Note note;
note.Load(elf32_f);
if(isLittleEndian) note.LoadLE(elf32_f);
else note.Load(elf32_f);
if(note.type != 1)
{