summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/core/CMakeLists.txt2
-rw-r--r--src/core/loader/elf.cpp263
-rw-r--r--src/core/loader/elf.h36
-rw-r--r--src/core/loader/loader.cpp11
-rw-r--r--src/core/loader/loader.h1
5 files changed, 0 insertions, 313 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 40b1ea4a2..9dbe5bdca 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -727,8 +727,6 @@ add_library(core STATIC
internal_network/sockets.h
loader/deconstructed_rom_directory.cpp
loader/deconstructed_rom_directory.h
- loader/elf.cpp
- loader/elf.h
loader/kip.cpp
loader/kip.h
loader/loader.cpp
diff --git a/src/core/loader/elf.cpp b/src/core/loader/elf.cpp
deleted file mode 100644
index dfb10c34f..000000000
--- a/src/core/loader/elf.cpp
+++ /dev/null
@@ -1,263 +0,0 @@
-// SPDX-FileCopyrightText: 2013 Dolphin Emulator Project
-// SPDX-FileCopyrightText: 2014 Citra Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include <cstring>
-#include <memory>
-#include "common/common_funcs.h"
-#include "common/common_types.h"
-#include "common/elf.h"
-#include "common/logging/log.h"
-#include "core/hle/kernel/code_set.h"
-#include "core/hle/kernel/k_page_table.h"
-#include "core/hle/kernel/k_process.h"
-#include "core/loader/elf.h"
-#include "core/memory.h"
-
-using namespace Common::ELF;
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-// ElfReader class
-
-typedef int SectionID;
-
-class ElfReader {
-private:
- char* base;
- u32* base32;
-
- Elf32_Ehdr* header;
- Elf32_Phdr* segments;
- Elf32_Shdr* sections;
-
- u32* sectionAddrs;
- bool relocate;
- VAddr entryPoint;
-
-public:
- explicit ElfReader(void* ptr);
-
- u32 Read32(int off) const {
- return base32[off >> 2];
- }
-
- // Quick accessors
- u16 GetType() const {
- return header->e_type;
- }
- u16 GetMachine() const {
- return header->e_machine;
- }
- VAddr GetEntryPoint() const {
- return entryPoint;
- }
- u32 GetFlags() const {
- return (u32)(header->e_flags);
- }
- Kernel::CodeSet LoadInto(VAddr vaddr);
-
- int GetNumSegments() const {
- return (int)(header->e_phnum);
- }
- int GetNumSections() const {
- return (int)(header->e_shnum);
- }
- const u8* GetPtr(int offset) const {
- return (u8*)base + offset;
- }
- const char* GetSectionName(int section) const;
- const u8* GetSectionDataPtr(int section) const {
- if (section < 0 || section >= header->e_shnum)
- return nullptr;
- if (sections[section].sh_type != ElfShtNobits)
- return GetPtr(sections[section].sh_offset);
- else
- return nullptr;
- }
- bool IsCodeSection(int section) const {
- return sections[section].sh_type == ElfShtProgBits;
- }
- const u8* GetSegmentPtr(int segment) {
- return GetPtr(segments[segment].p_offset);
- }
- u32 GetSectionAddr(SectionID section) const {
- return sectionAddrs[section];
- }
- unsigned int GetSectionSize(SectionID section) const {
- return sections[section].sh_size;
- }
- SectionID GetSectionByName(const char* name, int firstSection = 0) const; //-1 for not found
-
- bool DidRelocate() const {
- return relocate;
- }
-};
-
-ElfReader::ElfReader(void* ptr) {
- base = (char*)ptr;
- base32 = (u32*)ptr;
- header = (Elf32_Ehdr*)ptr;
-
- segments = (Elf32_Phdr*)(base + header->e_phoff);
- sections = (Elf32_Shdr*)(base + header->e_shoff);
-
- entryPoint = header->e_entry;
-}
-
-const char* ElfReader::GetSectionName(int section) const {
- if (sections[section].sh_type == ElfShtNull)
- return nullptr;
-
- int name_offset = sections[section].sh_name;
- const char* ptr = reinterpret_cast<const char*>(GetSectionDataPtr(header->e_shstrndx));
-
- if (ptr)
- return ptr + name_offset;
-
- return nullptr;
-}
-
-Kernel::CodeSet ElfReader::LoadInto(VAddr vaddr) {
- LOG_DEBUG(Loader, "String section: {}", header->e_shstrndx);
-
- // Should we relocate?
- relocate = (header->e_type != ElfTypeExec);
-
- if (relocate) {
- LOG_DEBUG(Loader, "Relocatable module");
- entryPoint += vaddr;
- } else {
- LOG_DEBUG(Loader, "Prerelocated executable");
- }
- LOG_DEBUG(Loader, "{} segments:", header->e_phnum);
-
- // First pass : Get the bits into RAM
- const VAddr base_addr = relocate ? vaddr : 0;
-
- u64 total_image_size = 0;
- for (unsigned int i = 0; i < header->e_phnum; ++i) {
- const Elf32_Phdr* p = &segments[i];
- if (p->p_type == ElfPtLoad) {
- total_image_size += (p->p_memsz + 0xFFF) & ~0xFFF;
- }
- }
-
- Kernel::PhysicalMemory program_image(total_image_size);
- std::size_t current_image_position = 0;
-
- Kernel::CodeSet codeset;
-
- for (unsigned int i = 0; i < header->e_phnum; ++i) {
- const Elf32_Phdr* p = &segments[i];
- LOG_DEBUG(Loader, "Type: {} Vaddr: {:08X} Filesz: {:08X} Memsz: {:08X} ", p->p_type,
- p->p_vaddr, p->p_filesz, p->p_memsz);
-
- if (p->p_type == ElfPtLoad) {
- Kernel::CodeSet::Segment* codeset_segment;
- u32 permission_flags = p->p_flags & (ElfPfRead | ElfPfWrite | ElfPfExec);
- if (permission_flags == (ElfPfRead | ElfPfExec)) {
- codeset_segment = &codeset.CodeSegment();
- } else if (permission_flags == (ElfPfRead)) {
- codeset_segment = &codeset.RODataSegment();
- } else if (permission_flags == (ElfPfRead | ElfPfWrite)) {
- codeset_segment = &codeset.DataSegment();
- } else {
- LOG_ERROR(Loader, "Unexpected ELF PT_LOAD segment id {} with flags {:X}", i,
- p->p_flags);
- continue;
- }
-
- if (codeset_segment->size != 0) {
- LOG_ERROR(Loader,
- "ELF has more than one segment of the same type. Skipping extra "
- "segment (id {})",
- i);
- continue;
- }
-
- const VAddr segment_addr = base_addr + p->p_vaddr;
- const u32 aligned_size = (p->p_memsz + 0xFFF) & ~0xFFF;
-
- codeset_segment->offset = current_image_position;
- codeset_segment->addr = segment_addr;
- codeset_segment->size = aligned_size;
-
- std::memcpy(program_image.data() + current_image_position, GetSegmentPtr(i),
- p->p_filesz);
- current_image_position += aligned_size;
- }
- }
-
- codeset.entrypoint = base_addr + header->e_entry;
- codeset.memory = std::move(program_image);
-
- LOG_DEBUG(Loader, "Done loading.");
-
- return codeset;
-}
-
-SectionID ElfReader::GetSectionByName(const char* name, int firstSection) const {
- for (int i = firstSection; i < header->e_shnum; i++) {
- const char* secname = GetSectionName(i);
-
- if (secname != nullptr && strcmp(name, secname) == 0)
- return i;
- }
- return -1;
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-// Loader namespace
-
-namespace Loader {
-
-AppLoader_ELF::AppLoader_ELF(FileSys::VirtualFile file_) : AppLoader(std::move(file_)) {}
-
-FileType AppLoader_ELF::IdentifyType(const FileSys::VirtualFile& elf_file) {
- static constexpr u16 ELF_MACHINE_ARM{0x28};
-
- u32 magic = 0;
- if (4 != elf_file->ReadObject(&magic)) {
- return FileType::Error;
- }
-
- u16 machine = 0;
- if (2 != elf_file->ReadObject(&machine, 18)) {
- return FileType::Error;
- }
-
- if (Common::MakeMagic('\x7f', 'E', 'L', 'F') == magic && ELF_MACHINE_ARM == machine) {
- return FileType::ELF;
- }
-
- return FileType::Error;
-}
-
-AppLoader_ELF::LoadResult AppLoader_ELF::Load(Kernel::KProcess& process,
- [[maybe_unused]] Core::System& system) {
- if (is_loaded) {
- return {ResultStatus::ErrorAlreadyLoaded, {}};
- }
-
- std::vector<u8> buffer = file->ReadAllBytes();
- if (buffer.size() != file->GetSize()) {
- return {ResultStatus::ErrorIncorrectELFFileSize, {}};
- }
-
- const VAddr base_address = process.PageTable().GetCodeRegionStart();
- ElfReader elf_reader(&buffer[0]);
- Kernel::CodeSet codeset = elf_reader.LoadInto(base_address);
- const VAddr entry_point = codeset.entrypoint;
-
- // Setup the process code layout
- if (process.LoadFromMetadata(FileSys::ProgramMetadata::GetDefault(), buffer.size()).IsError()) {
- return {ResultStatus::ErrorNotInitialized, {}};
- }
-
- process.LoadModule(std::move(codeset), entry_point);
-
- is_loaded = true;
- return {ResultStatus::Success, LoadParameters{48, Core::Memory::DEFAULT_STACK_SIZE}};
-}
-
-} // namespace Loader
diff --git a/src/core/loader/elf.h b/src/core/loader/elf.h
deleted file mode 100644
index acd33dc3d..000000000
--- a/src/core/loader/elf.h
+++ /dev/null
@@ -1,36 +0,0 @@
-// SPDX-FileCopyrightText: 2013 Dolphin Emulator Project
-// SPDX-FileCopyrightText: 2014 Citra Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include "core/loader/loader.h"
-
-namespace Core {
-class System;
-}
-
-namespace Loader {
-
-/// Loads an ELF/AXF file
-class AppLoader_ELF final : public AppLoader {
-public:
- explicit AppLoader_ELF(FileSys::VirtualFile file);
-
- /**
- * Identifies whether or not the given file is an ELF file.
- *
- * @param elf_file The file to identify.
- *
- * @return FileType::ELF, or FileType::Error if the file is not an ELF file.
- */
- static FileType IdentifyType(const FileSys::VirtualFile& elf_file);
-
- FileType GetFileType() const override {
- return IdentifyType(file);
- }
-
- LoadResult Load(Kernel::KProcess& process, Core::System& system) override;
-};
-
-} // namespace Loader
diff --git a/src/core/loader/loader.cpp b/src/core/loader/loader.cpp
index 994ee891f..104d16efa 100644
--- a/src/core/loader/loader.cpp
+++ b/src/core/loader/loader.cpp
@@ -12,7 +12,6 @@
#include "core/core.h"
#include "core/hle/kernel/k_process.h"
#include "core/loader/deconstructed_rom_directory.h"
-#include "core/loader/elf.h"
#include "core/loader/kip.h"
#include "core/loader/nax.h"
#include "core/loader/nca.h"
@@ -39,8 +38,6 @@ std::optional<FileType> IdentifyFileLoader(FileSys::VirtualFile file) {
FileType IdentifyFile(FileSys::VirtualFile file) {
if (const auto romdir_type = IdentifyFileLoader<AppLoader_DeconstructedRomDirectory>(file)) {
return *romdir_type;
- } else if (const auto elf_type = IdentifyFileLoader<AppLoader_ELF>(file)) {
- return *elf_type;
} else if (const auto nso_type = IdentifyFileLoader<AppLoader_NSO>(file)) {
return *nso_type;
} else if (const auto nro_type = IdentifyFileLoader<AppLoader_NRO>(file)) {
@@ -69,8 +66,6 @@ FileType GuessFromFilename(const std::string& name) {
const std::string extension =
Common::ToLower(std::string(Common::FS::GetExtensionFromFilename(name)));
- if (extension == "elf")
- return FileType::ELF;
if (extension == "nro")
return FileType::NRO;
if (extension == "nso")
@@ -89,8 +84,6 @@ FileType GuessFromFilename(const std::string& name) {
std::string GetFileTypeString(FileType type) {
switch (type) {
- case FileType::ELF:
- return "ELF";
case FileType::NRO:
return "NRO";
case FileType::NSO:
@@ -208,10 +201,6 @@ static std::unique_ptr<AppLoader> GetFileLoader(Core::System& system, FileSys::V
FileType type, u64 program_id,
std::size_t program_index) {
switch (type) {
- // Standard ELF file format.
- case FileType::ELF:
- return std::make_unique<AppLoader_ELF>(std::move(file));
-
// NX NSO file format.
case FileType::NSO:
return std::make_unique<AppLoader_NSO>(std::move(file));
diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index 7bf4faaf1..7b43f70ed 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -34,7 +34,6 @@ namespace Loader {
enum class FileType {
Error,
Unknown,
- ELF,
NSO,
NRO,
NCA,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 00:04:39 +0100