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segments loading (only elf atm)

This commit is contained in:
georgemoralis 2023-05-25 18:08:10 +03:00
parent 1ad70366c6
commit cc471a8535
3 changed files with 23 additions and 0 deletions
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3
src/Core/PS4/Linker.cpp
View File

@ -101,6 +101,8 @@ void Linker::LoadModuleToMemory(Module* m)
LOG_INFO_IF(debug_loader, "segment_file_size .....: {}\n", segment_file_size);
LOG_INFO_IF(debug_loader, "segment_memory_size ...: {}\n", segment_memory_size);
LOG_INFO_IF(debug_loader, "segment_mode ..........: {}\n", segment_mode);
m->elf->LoadSegment(segment_addr, elf_pheader[i].p_offset, segment_file_size);
}
else
{
@ -111,4 +113,5 @@ void Linker::LoadModuleToMemory(Module* m)
LOG_ERROR_IF(debug_loader, "Unimplemented type {}\n", m->elf->ElfPheaderTypeStr(elf_pheader[i].p_type));
}
}
LOG_INFO_IF(debug_loader, "program entry addr ..........: {:#018x}\n", m->elf->GetElfEntry() + m->base_virtual_addr);
}

18
src/Loader/Elf.cpp
View File

@ -511,3 +511,21 @@ std::string Elf::ElfPHeaderStr(u16 no)
header += fmt::format("p_align ...: {:#018x}\n", (m_elf_phdr + no)->p_align);
return header;
}
void Elf::LoadSegment(u64 virtual_addr, u64 file_offset, u64 size)
{
if (m_self!=nullptr)
{
//it is self file //TODO
__debugbreak();
}
else
{
//it's elf file
m_f->Seek(file_offset, fsSeekMode::fsSeekSet);
m_f->Read(reinterpret_cast<void*>(static_cast<uintptr_t>(virtual_addr)), size);
}
}
u64 Elf::GetElfEntry()
{
return m_elf_header->e_entry;
}

2
src/Loader/Elf.h
View File

@ -343,6 +343,8 @@ public:
std::string ElfPHeaderStr(u16 no);
std::string ElfPheaderTypeStr(u32 type);
std::string ElfPheaderFlagsStr(u32 flags);
void LoadSegment(u64 virtual_addr, u64 file_offset, u64 size);
u64 GetElfEntry();
private: