mirror of
https://github.com/RPCS3/rpcs3.git
synced 2025-07-15 19:28:43 +12:00
131 lines
No EOL
3.8 KiB
C++
131 lines
No EOL
3.8 KiB
C++
#include "stdafx.h"
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#include "Utilities/Log.h"
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#include "Utilities/rFile.h"
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#include "Emu/FS/vfsStream.h"
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#include "Emu/Memory/Memory.h"
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#include "ELF32.h"
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#include "Emu/Cell/SPUThread.h"
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#include "Emu/ARMv7/ARMv7Thread.h"
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#include "Emu/System.h"
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namespace loader
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{
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namespace handlers
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{
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handler::error_code elf32::init(vfsStream& stream)
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{
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error_code res = handler::init(stream);
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if (res != ok)
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return res;
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m_stream->Read(&m_ehdr, sizeof(ehdr));
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if (!m_ehdr.check())
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{
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return bad_file;
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}
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if (m_ehdr.data_le.e_phnum && (m_ehdr.is_le() ? m_ehdr.data_le.e_phentsize : m_ehdr.data_be.e_phentsize) != sizeof(phdr))
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{
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return broken_file;
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}
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if (m_ehdr.data_le.e_shnum && (m_ehdr.is_le() ? m_ehdr.data_le.e_shentsize : m_ehdr.data_be.e_shentsize) != sizeof(shdr))
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{
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return broken_file;
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}
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LOG_WARNING(LOADER, "m_ehdr.e_type = 0x%x", (u16)(m_ehdr.is_le() ? m_ehdr.data_le.e_type : m_ehdr.data_be.e_type));
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if (m_ehdr.data_le.e_phnum)
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{
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m_phdrs.resize(m_ehdr.is_le() ? m_ehdr.data_le.e_phnum : m_ehdr.data_be.e_phnum);
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m_stream->Seek(handler::get_stream_offset() + (m_ehdr.is_le() ? m_ehdr.data_le.e_phoff : m_ehdr.data_be.e_phoff));
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size_t size = (m_ehdr.is_le() ? m_ehdr.data_le.e_phnum : m_ehdr.data_be.e_phnum) * sizeof(phdr);
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if (m_stream->Read(m_phdrs.data(), size) != size)
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return broken_file;
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}
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else
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m_phdrs.clear();
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if (m_ehdr.data_le.e_shnum)
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{
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m_phdrs.resize(m_ehdr.is_le() ? m_ehdr.data_le.e_shnum : m_ehdr.data_be.e_shnum);
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m_stream->Seek(handler::get_stream_offset() + (m_ehdr.is_le() ? m_ehdr.data_le.e_shoff : m_ehdr.data_be.e_shoff));
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size_t size = (m_ehdr.is_le() ? m_ehdr.data_le.e_phnum : m_ehdr.data_be.e_phnum) * sizeof(phdr);
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if (m_stream->Read(m_shdrs.data(), size) != size)
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return broken_file;
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}
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else
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m_shdrs.clear();
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return ok;
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}
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handler::error_code elf32::load()
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{
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Elf_Machine machine;
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switch (machine = (Elf_Machine)(u16)(m_ehdr.is_le() ? m_ehdr.data_le.e_machine : m_ehdr.data_be.e_machine))
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{
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case MACHINE_MIPS: vm::psp::init(); break;
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case MACHINE_ARM: vm::psv::init(); break;
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case MACHINE_SPU: vm::ps3::init(); break;
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default:
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return bad_version;
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}
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error_code res = load_data(0);
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if (res != ok)
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return res;
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switch (machine)
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{
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case MACHINE_MIPS: break;
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case MACHINE_ARM: arm7_thread(m_ehdr.is_le() ? m_ehdr.data_le.e_entry : m_ehdr.data_be.e_entry, "main_thread").args({ Emu.GetPath()/*, "-emu"*/ }).run(); break;
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case MACHINE_SPU: spu_thread(m_ehdr.is_le() ? m_ehdr.data_le.e_entry : m_ehdr.data_be.e_entry, "main_thread").args({ Emu.GetPath()/*, "-emu"*/ }).run(); break;
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}
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return ok;
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}
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handler::error_code elf32::load_data(u32 offset)
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{
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Elf_Machine machine = (Elf_Machine)(u16)(m_ehdr.is_le() ? m_ehdr.data_le.e_machine : m_ehdr.data_be.e_machine);
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for (auto &phdr : m_phdrs)
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{
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u32 memsz = m_ehdr.is_le() ? phdr.data_le.p_memsz : phdr.data_be.p_memsz;
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u32 filesz = m_ehdr.is_le() ? phdr.data_le.p_filesz : phdr.data_be.p_filesz;
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u32 vaddr = offset + (m_ehdr.is_le() ? phdr.data_le.p_vaddr : phdr.data_be.p_vaddr);
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u32 offset = m_ehdr.is_le() ? phdr.data_le.p_offset : phdr.data_be.p_offset;
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switch (m_ehdr.is_le() ? phdr.data_le.p_type : phdr.data_be.p_type)
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{
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case 0x00000001: //LOAD
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if (phdr.data_le.p_memsz)
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{
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if ((machine != MACHINE_SPU || Emu.IsStopped()) && !vm::alloc(vaddr, memsz, vm::main))
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{
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LOG_ERROR(LOADER, "%s(): AllocFixed(0x%llx, 0x%x) failed", __FUNCTION__, vaddr, memsz);
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return loading_error;
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}
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if (filesz)
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{
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m_stream->Seek(handler::get_stream_offset() + offset);
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m_stream->Read(vm::get_ptr(vaddr), filesz);
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}
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}
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break;
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}
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}
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return ok;
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}
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}
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} |