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Add initial Linux support.

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This commit is contained in:
Esdras Tarsis 2023-06-22 22:48:55 -03:00
parent 8acfc3d557
commit 1e57195ded
7 changed files with 130 additions and 48 deletions
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29
src/Core/PS4/Loader/Elf.cpp
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@ -7,6 +7,13 @@
#include <fmt/core.h>
#include "../../../Util/Log.h"
#ifdef _WIN64
#define DBG_BREAKPOINT __debugbreak();
#else
#include <signal.h>
#define DBG_BREAKPOINT raise(SIGTRAP);
#endif
constexpr bool debug_elf = true;
template <>
@ -29,7 +36,6 @@ static self_header* load_self(FsFile& f)
return self;
}
static self_segment_header* load_self_segments(FsFile& f, u16 num)
{
auto* segs = new self_segment_header[num];
@ -39,7 +45,6 @@ static self_segment_header* load_self_segments(FsFile& f, u16 num)
return segs;
}
static elf_header* load_elf_header(FsFile& f)
{
auto* m_elf_header = new elf_header;
@ -95,6 +100,7 @@ void Elf::Reset()//reset all variables
m_elf_shdr = nullptr;
m_self_id_header = nullptr;
}
void Elf::Open(const std::string& file_name)
{
Reset();//reset all variables
@ -151,7 +157,6 @@ void Elf::Open(const std::string& file_name)
}
}
DebugDump();
}
@ -272,7 +277,9 @@ bool Elf::isElfFile() const
void Elf::DebugDump() {
std::vector<spdlog::sink_ptr> sinks;
sinks.push_back(std::make_shared<spdlog::sinks::stdout_color_sink_mt>());
sinks.push_back(std::make_shared<spdlog::sinks::basic_file_sink_mt>(L"output.log", true)); //this might work only in windows ;/
#ifdef _WIN64
sinks.push_back(std::make_shared<spdlog::sinks::basic_file_sink_mt>(L"output.log", true)); //this might work only in windows ;/
#endif
spdlog::set_default_logger(std::make_shared<spdlog::logger>("shadps4 logger", begin(sinks), end(sinks)));
auto f = std::make_unique<spdlog::pattern_formatter>("%v", spdlog::pattern_time_type::local, std::string("")); // disable eol
spdlog::set_formatter(std::move(f));
@ -355,6 +362,7 @@ std::string Elf::SElfHeaderStr() {
header+= fmt::format("padding3 ...........: {:#010x}\n", m_self->padding3);
return header;
}
std::string Elf::SELFSegHeader(u16 no)
{
auto segment_header = m_self_segments[no];
@ -365,6 +373,7 @@ std::string Elf::SELFSegHeader(u16 no)
header += fmt::format("memory size ......: {}\n", segment_header.memory_size);
return header;
}
std::string Elf::ElfHeaderStr()
{
std::string header = fmt::format("======= Elf header ===========\n");
@ -499,7 +508,7 @@ std::string Elf::ElfPHeaderStr(u16 no)
{
std::string header = fmt::format("====== PROGRAM HEADER {} ========\n", no);
header += fmt::format("p_type ....: {}\n", ElfPheaderTypeStr((m_elf_phdr + no)->p_type));
auto flags = magic_enum::enum_cast<elf_program_flags>((m_elf_phdr + no)->p_flags);
if (flags.has_value())
{
@ -514,6 +523,7 @@ 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)
@ -521,7 +531,7 @@ void Elf::LoadSegment(u64 virtual_addr, u64 file_offset, u64 size)
for (uint16_t i = 0; i < m_self->segment_count; i++)
{
const auto& seg = m_self_segments[i];
if (seg.IsBlocked())
{
auto phdr_id = seg.GetId();
@ -530,13 +540,13 @@ void Elf::LoadSegment(u64 virtual_addr, u64 file_offset, u64 size)
if (file_offset >= phdr.p_offset && file_offset < phdr.p_offset + phdr.p_filesz)
{
auto offset = file_offset - phdr.p_offset;
m_f->Seek(offset + seg.file_offset,fsSeekMode::fsSeekSet);
m_f->Seek(offset + seg.file_offset, fsSeekMode::fsSeekSet);
m_f->Read(reinterpret_cast<void*>(static_cast<uintptr_t>(virtual_addr)), size);
return;
}
}
}
__debugbreak();//hmm we didn't return something...
DBG_BREAKPOINT //hmm we didn't return something...
}
else
{
@ -545,7 +555,8 @@ void Elf::LoadSegment(u64 virtual_addr, u64 file_offset, u64 size)
m_f->Read(reinterpret_cast<void*>(static_cast<uintptr_t>(virtual_addr)), size);
}
}
u64 Elf::GetElfEntry()
{
return m_elf_header->e_entry;
}
}