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-rw-r--r--src/core/loader/elf.cpp107
-rw-r--r--src/core/loader/elf.h15
-rw-r--r--src/core/loader/loader.cpp142
-rw-r--r--src/core/loader/loader.h15
4 files changed, 70 insertions, 209 deletions
diff --git a/src/core/loader/elf.cpp b/src/core/loader/elf.cpp
index 153c30f5..f9335481 100644
--- a/src/core/loader/elf.cpp
+++ b/src/core/loader/elf.cpp
@@ -5,65 +5,17 @@
#include <string>
#include "common/common.h"
-
+#include "common/file_util.h"
#include "common/symbols.h"
+
#include "core/mem_map.h"
#include "core/loader/elf.h"
+#include "core/hle/kernel/kernel.h"
-//void bswap(Elf32_Word &w) {w = Common::swap32(w);}
-//void bswap(Elf32_Half &w) {w = Common::swap16(w);}
-
-#define bswap(w) w // Dirty bswap disable for now... 3DS is little endian, anyway
-
-static void byteswapHeader(Elf32_Ehdr &ELF_H)
-{
- bswap(ELF_H.e_type);
- bswap(ELF_H.e_machine);
- bswap(ELF_H.e_ehsize);
- bswap(ELF_H.e_phentsize);
- bswap(ELF_H.e_phnum);
- bswap(ELF_H.e_shentsize);
- bswap(ELF_H.e_shnum);
- bswap(ELF_H.e_shstrndx);
- bswap(ELF_H.e_version);
- bswap(ELF_H.e_entry);
- bswap(ELF_H.e_phoff);
- bswap(ELF_H.e_shoff);
- bswap(ELF_H.e_flags);
-}
-
-static void byteswapSegment(Elf32_Phdr &sec)
-{
- bswap(sec.p_align);
- bswap(sec.p_filesz);
- bswap(sec.p_flags);
- bswap(sec.p_memsz);
- bswap(sec.p_offset);
- bswap(sec.p_paddr);
- bswap(sec.p_vaddr);
- bswap(sec.p_type);
-}
-
-static void byteswapSection(Elf32_Shdr &sec)
-{
- bswap(sec.sh_addr);
- bswap(sec.sh_addralign);
- bswap(sec.sh_entsize);
- bswap(sec.sh_flags);
- bswap(sec.sh_info);
- bswap(sec.sh_link);
- bswap(sec.sh_name);
- bswap(sec.sh_offset);
- bswap(sec.sh_size);
- bswap(sec.sh_type);
-}
-
-ElfReader::ElfReader(void *ptr)
-{
+ElfReader::ElfReader(void *ptr) {
base = (char*)ptr;
base32 = (u32 *)ptr;
header = (Elf32_Ehdr*)ptr;
- byteswapHeader(*header);
segments = (Elf32_Phdr *)(base + header->e_phoff);
sections = (Elf32_Shdr *)(base + header->e_shoff);
@@ -73,8 +25,7 @@ ElfReader::ElfReader(void *ptr)
LoadSymbols();
}
-const char *ElfReader::GetSectionName(int section) const
-{
+const char *ElfReader::GetSectionName(int section) const {
if (sections[section].sh_type == SHT_NULL)
return nullptr;
@@ -87,8 +38,7 @@ const char *ElfReader::GetSectionName(int section) const
return nullptr;
}
-bool ElfReader::LoadInto(u32 vaddr)
-{
+bool ElfReader::LoadInto(u32 vaddr) {
DEBUG_LOG(MASTER_LOG, "String section: %i", header->e_shstrndx);
// Should we relocate?
@@ -188,3 +138,48 @@ bool ElfReader::LoadSymbols()
return hasSymbols;
}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Loader namespace
+
+namespace Loader {
+
+/**
+ * Loads an ELF file
+ * @param filename String filename of ELF file
+ * @param error_string Pointer to string to put error message if an error has occurred
+ * @return True on success, otherwise false
+ */
+bool Load_ELF(std::string& filename, std::string* error_string) {
+ std::string full_path = filename;
+ std::string path, file, extension;
+ SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
+#if EMU_PLATFORM == PLATFORM_WINDOWS
+ path = ReplaceAll(path, "/", "\\");
+#endif
+ File::IOFile f(filename, "rb");
+
+ if (f.IsOpen()) {
+ u32 size = (u32)f.GetSize();
+ u8* buffer = new u8[size];
+ ElfReader* elf_reader = NULL;
+
+ f.ReadBytes(buffer, size);
+
+ elf_reader = new ElfReader(buffer);
+ elf_reader->LoadInto(0x00100000);
+
+ Kernel::LoadExec(elf_reader->GetEntryPoint());
+
+ delete[] buffer;
+ delete elf_reader;
+ } else {
+ *error_string = "Unable to open ELF file!";
+ return false;
+ }
+ f.Close();
+
+ return true;
+}
+
+} // namespace Loader
diff --git a/src/core/loader/elf.h b/src/core/loader/elf.h
index 2e6b8098..70828147 100644
--- a/src/core/loader/elf.h
+++ b/src/core/loader/elf.h
@@ -329,3 +329,18 @@ public:
return bRelocate;
}
};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Loader namespace
+
+namespace Loader {
+
+/**
+ * Loads an ELF file
+ * @param filename String filename of ELF file
+ * @param error_string Pointer to string to put error message if an error has occurred
+ * @return True on success, otherwise false
+ */
+bool Load_ELF(std::string& filename, std::string* error_string);
+
+} // namespace Loader
diff --git a/src/core/loader/loader.cpp b/src/core/loader/loader.cpp
index d8060c0e..1a647d8a 100644
--- a/src/core/loader/loader.cpp
+++ b/src/core/loader/loader.cpp
@@ -2,98 +2,14 @@
// Licensed under GPLv2
// Refer to the license.txt file included.
-#include "common/common_types.h"
-#include "common/file_util.h"
-
#include "core/loader/loader.h"
#include "core/loader/elf.h"
#include "core/loader/ncch.h"
-#include "core/system.h"
-#include "core/core.h"
-#include "core/hle/kernel/kernel.h"
-#include "core/mem_map.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
-/// Loads a CTR ELF file
-bool Load_ELF(std::string &filename) {
- std::string full_path = filename;
- std::string path, file, extension;
- SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
-#if EMU_PLATFORM == PLATFORM_WINDOWS
- path = ReplaceAll(path, "/", "\\");
-#endif
- File::IOFile f(filename, "rb");
-
- if (f.IsOpen()) {
- u64 size = f.GetSize();
- u8* buffer = new u8[size];
- ElfReader* elf_reader = NULL;
-
- f.ReadBytes(buffer, size);
-
- elf_reader = new ElfReader(buffer);
- elf_reader->LoadInto(0x00100000);
-
- Kernel::LoadExec(elf_reader->GetEntryPoint());
-
- delete[] buffer;
- delete elf_reader;
- } else {
- return false;
- }
- f.Close();
-
- return true;
-}
-
-/// Loads a CTR BIN file extracted from an ExeFS
-bool Load_BIN(std::string &filename) {
- std::string full_path = filename;
- std::string path, file, extension;
- SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
-#if EMU_PLATFORM == PLATFORM_WINDOWS
- path = ReplaceAll(path, "/", "\\");
-#endif
- File::IOFile f(filename, "rb");
-
- if (f.IsOpen()) {
- u64 size = f.GetSize();
- u8* buffer = new u8[size];
-
- f.ReadBytes(buffer, size);
-
- u32 entry_point = 0x00100000; // Hardcoded, read from exheader
-
- const u8 *src = buffer;
- u8 *dst = Memory::GetPointer(entry_point);
- u32 srcSize = size;
- u32 *s = (u32*)src;
- u32 *d = (u32*)dst;
- for (int j = 0; j < (int)(srcSize + 3) / 4; j++)
- {
- *d++ = (*s++);
- }
-
- Kernel::LoadExec(entry_point);
-
- delete[] buffer;
- }
- else {
- return false;
- }
- f.Close();
-
- return true;
-}
-
namespace Loader {
-bool IsBootableDirectory() {
- ERROR_LOG(TIME, "Unimplemented function!");
- return true;
-}
-
/**
* Identifies the type of a bootable file
* @param filename String filename of bootable file
@@ -107,15 +23,7 @@ FileType IdentifyFile(std::string &filename) {
}
std::string extension = filename.size() >= 5 ? filename.substr(filename.size() - 4) : "";
- if (File::IsDirectory(filename)) {
- if (IsBootableDirectory()) {
- return FILETYPE_DIRECTORY_CXI;
- }
- else {
- return FILETYPE_NORMAL_DIRECTORY;
- }
- }
- else if (!strcasecmp(extension.c_str(), ".elf")) {
+ if (!strcasecmp(extension.c_str(), ".elf")) {
return FILETYPE_CTR_ELF; // TODO(bunnei): Do some filetype checking :p
}
else if (!strcasecmp(extension.c_str(), ".axf")) {
@@ -127,24 +35,6 @@ FileType IdentifyFile(std::string &filename) {
else if (!strcasecmp(extension.c_str(), ".cci")) {
return FILETYPE_CTR_CCI; // TODO(bunnei): Do some filetype checking :p
}
- else if (!strcasecmp(extension.c_str(), ".bin")) {
- return FILETYPE_CTR_BIN;
- }
- else if (!strcasecmp(extension.c_str(), ".dat")) {
- return FILETYPE_LAUNCHER_DAT;
- }
- else if (!strcasecmp(extension.c_str(), ".zip")) {
- return FILETYPE_ARCHIVE_ZIP;
- }
- else if (!strcasecmp(extension.c_str(), ".rar")) {
- return FILETYPE_ARCHIVE_RAR;
- }
- else if (!strcasecmp(extension.c_str(), ".r00")) {
- return FILETYPE_ARCHIVE_RAR;
- }
- else if (!strcasecmp(extension.c_str(), ".r01")) {
- return FILETYPE_ARCHIVE_RAR;
- }
return FILETYPE_UNKNOWN;
}
@@ -161,10 +51,7 @@ bool LoadFile(std::string &filename, std::string *error_string) {
switch (IdentifyFile(filename)) {
case FILETYPE_CTR_ELF:
- return Load_ELF(filename);
-
- case FILETYPE_CTR_BIN:
- return Load_BIN(filename);
+ return Loader::Load_ELF(filename, error_string);
case FILETYPE_CTR_CXI:
case FILETYPE_CTR_CCI:
@@ -175,29 +62,6 @@ bool LoadFile(std::string &filename, std::string *error_string) {
*error_string = "Error reading file";
break;
- case FILETYPE_ARCHIVE_RAR:
-#ifdef WIN32
- *error_string = "RAR file detected (Require WINRAR)";
-#else
- *error_string = "RAR file detected (Require UnRAR)";
-#endif
- break;
-
- case FILETYPE_ARCHIVE_ZIP:
-#ifdef WIN32
- *error_string = "ZIP file detected (Require WINRAR)";
-#else
- *error_string = "ZIP file detected (Require UnRAR)";
-#endif
- break;
-
- case FILETYPE_NORMAL_DIRECTORY:
- ERROR_LOG(LOADER, "Just a directory.");
- *error_string = "Just a directory.";
- break;
-
- case FILETYPE_UNKNOWN_BIN:
- case FILETYPE_UNKNOWN_ELF:
case FILETYPE_UNKNOWN:
default:
ERROR_LOG(LOADER, "Failed to identify file");
@@ -207,4 +71,4 @@ bool LoadFile(std::string &filename, std::string *error_string) {
return false;
}
-} // namespace \ No newline at end of file
+} // namespace Loader
diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index 9d4aaa87..97900355 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -7,6 +7,7 @@
#include "common/common.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
+// Loader namespace
namespace Loader {
@@ -19,23 +20,9 @@ enum FileType {
FILETYPE_CTR_ELF,
FILETYPE_CTR_BIN,
- FILETYPE_LAUNCHER_DAT,
-
- FILETYPE_DIRECTORY_CXI,
-
- FILETYPE_UNKNOWN_BIN,
- FILETYPE_UNKNOWN_ELF,
-
- FILETYPE_ARCHIVE_RAR,
- FILETYPE_ARCHIVE_ZIP,
-
- FILETYPE_NORMAL_DIRECTORY,
-
FILETYPE_UNKNOWN
};
-////////////////////////////////////////////////////////////////////////////////////////////////////
-
/**
* Identifies the type of a bootable file
* @param filename String filename of bootable file
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-23 14:32:01 +0000