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This commit is contained in:
Sajid 2024-09-07 18:21:08 +06:00
parent 0f9a53f75a
commit 1e24423ea7
8 changed files with 137 additions and 127 deletions
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10
.editorconfig Normal file
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@ -0,0 +1,10 @@
# editorconfig.org
root = true
[*]
charset = utf-8
indent_style = space
indent_size = 4
insert_final_newline = true
end_of_line = lf

52
PowerAnalyse/main.cpp
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@ -5,37 +5,37 @@
int main()
{
// TODO: ELFs, symbols, sections, a lot
const auto file = LoadFile("default.xex");
const auto image = Xex2LoadImage(file.data());
// TODO: ELFs, symbols, sections, a lot
const auto file = LoadFile("default.xex");
const auto image = Xex2LoadImage(file.data());
auto* headers = (IMAGE_NT_HEADERS32*)(image.get() + ((IMAGE_DOS_HEADER*)image.get())->e_lfanew);
auto numSections = headers->FileHeader.NumberOfSections;
auto* sections = (IMAGE_SECTION_HEADER*)(headers + 1);
auto base = headers->OptionalHeader.ImageBase;
auto* headers = (IMAGE_NT_HEADERS32*)(image.get() + ((IMAGE_DOS_HEADER*)image.get())->e_lfanew);
auto numSections = headers->FileHeader.NumberOfSections;
auto* sections = (IMAGE_SECTION_HEADER*)(headers + 1);
auto base = headers->OptionalHeader.ImageBase;
for (size_t i = 0; i < numSections; i++)
{
const auto& section = sections[i];
std::printf("Section %.8s\n", reinterpret_cast<const char*>(section.Name));
std::printf("\t%X-%X\n", base + section.VirtualAddress, base + section.VirtualAddress + section.Misc.VirtualSize);
for (size_t i = 0; i < numSections; i++)
{
const auto& section = sections[i];
std::printf("Section %.8s\n", reinterpret_cast<const char*>(section.Name));
std::printf("\t%X-%X\n", base + section.VirtualAddress, base + section.VirtualAddress + section.Misc.VirtualSize);
auto* data = image.get() + section.VirtualAddress; // XEX is weird
ppc::SetDetail(true);
auto* data = image.get() + section.VirtualAddress; // XEX is weird
ppc::SetDetail(true);
if (section.Characteristics & IMAGE_SCN_CNT_CODE)
{
cs_insn* instructions;
size_t n = ppc::Disassemble(data, section.SizeOfRawData, base + section.VirtualAddress, 0, &instructions);
if (section.Characteristics & IMAGE_SCN_CNT_CODE)
{
cs_insn* instructions;
size_t n = ppc::Disassemble(data, section.SizeOfRawData, base + section.VirtualAddress, 0, &instructions);
for(size_t i = 0; i < n; i++)
{
printf("\t%s\n", instructions[i].mnemonic);
}
for(size_t i = 0; i < n; i++)
{
printf("\t%s\n", instructions[i].mnemonic);
}
cs_free(instructions, n);
}
}
cs_free(instructions, n);
}
}
return 0;
return 0;
}

2
PowerRecomp/main.cpp
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@ -1,4 +1,4 @@
int main()
{
return 0;
return 0;
}

8
PowerUtils/disasm.cpp
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@ -4,20 +4,20 @@ DisassemblerEngine ppc::gPPCBigEndianDisassembler{ CS_ARCH_PPC, CS_MODE_BIG_ENDI
DisassemblerEngine::DisassemblerEngine(cs_arch arch, cs_mode mode)
{
cs_open(arch, mode, &handle);
cs_open(arch, mode, &handle);
}
size_t DisassemblerEngine::Disassemble(const uint8_t* code, size_t size, uint64_t base, size_t count, cs_insn** instructions) const
{
return cs_disasm(handle, code, size, base, count, instructions);
return cs_disasm(handle, code, size, base, count, instructions);
}
void DisassemblerEngine::SetOption(cs_opt_type option, size_t value)
{
cs_option(handle, option, value);
cs_option(handle, option, value);
}
DisassemblerEngine::~DisassemblerEngine()
{
cs_close(&handle);
cs_close(&handle);
}

40
PowerUtils/disasm.h
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@ -3,32 +3,32 @@
struct DisassemblerEngine
{
csh handle{};
csh handle{};
DisassemblerEngine(const DisassemblerEngine&) = default;
DisassemblerEngine& operator=(const DisassemblerEngine&) = delete;
DisassemblerEngine(const DisassemblerEngine&) = default;
DisassemblerEngine& operator=(const DisassemblerEngine&) = delete;
DisassemblerEngine(cs_arch arch, cs_mode mode);
~DisassemblerEngine();
size_t Disassemble(const uint8_t* code, size_t size, uint64_t base, size_t count, cs_insn** instructions) const;
void SetOption(cs_opt_type option, size_t value);
DisassemblerEngine(cs_arch arch, cs_mode mode);
~DisassemblerEngine();
size_t Disassemble(const uint8_t* code, size_t size, uint64_t base, size_t count, cs_insn** instructions) const;
void SetOption(cs_opt_type option, size_t value);
void SetDetail(bool value)
{
SetOption(CS_OPT_DETAIL, value);
}
void SetDetail(bool value)
{
SetOption(CS_OPT_DETAIL, value);
}
};
namespace ppc
{
extern DisassemblerEngine gPPCBigEndianDisassembler;
static size_t Disassemble(const uint8_t* code, size_t size, uint64_t base, size_t count, cs_insn** instructions)
{
return gPPCBigEndianDisassembler.Disassemble(code, size, base, count, instructions);
}
extern DisassemblerEngine gPPCBigEndianDisassembler;
static size_t Disassemble(const uint8_t* code, size_t size, uint64_t base, size_t count, cs_insn** instructions)
{
return gPPCBigEndianDisassembler.Disassemble(code, size, base, count, instructions);
}
static void SetDetail(bool value)
{
gPPCBigEndianDisassembler.SetDetail(value);
}
static void SetDetail(bool value)
{
gPPCBigEndianDisassembler.SetDetail(value);
}
}

26
PowerUtils/file.h
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@ -3,23 +3,23 @@
inline static std::vector<uint8_t> LoadFile(const char* path)
{
std::vector<uint8_t> data{};
auto* stream = fopen(path, "rb");
if (stream == nullptr)
{
return data;
}
std::vector<uint8_t> data{};
auto* stream = fopen(path, "rb");
if (stream == nullptr)
{
return data;
}
fseek(stream, 0, SEEK_END);
fseek(stream, 0, SEEK_END);
const auto size = ftell(stream);
const auto size = ftell(stream);
fseek(stream, 0, SEEK_SET);
fseek(stream, 0, SEEK_SET);
data.resize(size);
data.resize(size);
fread(data.data(), 1, data.size(), stream);
fclose(stream);
fread(data.data(), 1, data.size(), stream);
fclose(stream);
return data;
return data;
}

50
PowerUtils/xbox.h
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@ -4,35 +4,35 @@
#include <bit>
#ifdef _WIN32
#include <windows.h>
#include <windows.h>
#else
#define near
#define far
#define near
#define far
typedef char CHAR;
typedef wchar_t WCHAR;
typedef unsigned long DWORD;
typedef int BOOL;
typedef unsigned char BYTE;
typedef unsigned short WORD;
typedef float FLOAT;
typedef FLOAT* PFLOAT;
typedef BOOL near* PBOOL;
typedef BOOL far* LPBOOL;
typedef BYTE near* PBYTE;
typedef BYTE far* LPBYTE;
typedef int near* PINT;
typedef int far* LPINT;
typedef WORD near* PWORD;
typedef WORD far* LPWORD;
typedef long far* LPLONG;
typedef DWORD near* PDWORD;
typedef DWORD far* LPDWORD;
typedef void far* LPVOID;
typedef const void far* LPCVOID;
typedef char CHAR;
typedef wchar_t WCHAR;
typedef unsigned long DWORD;
typedef int BOOL;
typedef unsigned char BYTE;
typedef unsigned short WORD;
typedef float FLOAT;
typedef FLOAT* PFLOAT;
typedef BOOL near* PBOOL;
typedef BOOL far* LPBOOL;
typedef BYTE near* PBYTE;
typedef BYTE far* LPBYTE;
typedef int near* PINT;
typedef int far* LPINT;
typedef WORD near* PWORD;
typedef WORD far* LPWORD;
typedef long far* LPLONG;
typedef DWORD near* PDWORD;
typedef DWORD far* LPDWORD;
typedef void far* LPVOID;
typedef const void far* LPCVOID;
typedef unsigned long ULONG;
typedef ULONG* PULONG;
typedef signed long LONG;
typedef signed long LONG;
typedef LONG* PLONG;
typedef unsigned long long ULONGLONG;
typedef ULONGLONG* PULONGLONG;

74
PowerUtils/xex.cpp
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@ -3,51 +3,51 @@
std::unique_ptr<uint8_t[]> Xex2LoadImage(const uint8_t* data)
{
auto* header = reinterpret_cast<const XEX_HEADER*>(data);
auto* security = reinterpret_cast<const XEX2_SECURITY_INFO*>(data + header->AddressOfSecurityInfo);
auto* header = reinterpret_cast<const XEX_HEADER*>(data);
auto* security = reinterpret_cast<const XEX2_SECURITY_INFO*>(data + header->AddressOfSecurityInfo);
const auto* compressionInfo = Xex2FindOptionalHeader<XEX_FILE_FORMAT_INFO>(header, XEX_HEADER_FILE_FORMAT_INFO);
const auto* compressionInfo = Xex2FindOptionalHeader<XEX_FILE_FORMAT_INFO>(header, XEX_HEADER_FILE_FORMAT_INFO);
std::unique_ptr<uint8_t[]> result{};
size_t imageSize = security->SizeOfImage;
std::unique_ptr<uint8_t[]> result{};
size_t imageSize = security->SizeOfImage;
if (compressionInfo != nullptr)
{
assert(compressionInfo->CompressionType >= XEX_COMPRESSION_BASIC);
assert(compressionInfo->EncryptionType == XEX_ENCRYPTION_NONE);
if (compressionInfo != nullptr)
{
assert(compressionInfo->CompressionType >= XEX_COMPRESSION_BASIC);
assert(compressionInfo->EncryptionType == XEX_ENCRYPTION_NONE);
if (compressionInfo->CompressionType == XEX_COMPRESSION_NONE)
{
result = std::make_unique<uint8_t[]>(imageSize);
memcpy(result.get(), data + header->SizeOfHeader, imageSize);
}
else if (compressionInfo->CompressionType == XEX_COMPRESSION_BASIC)
{
auto* blocks = reinterpret_cast<const XEX_BASIC_FILE_COMPRESSION_INFO*>(compressionInfo + 1);
const size_t numBlocks = (compressionInfo->SizeOfHeader / sizeof(XEX_BASIC_FILE_COMPRESSION_INFO)) - 1;
if (compressionInfo->CompressionType == XEX_COMPRESSION_NONE)
{
result = std::make_unique<uint8_t[]>(imageSize);
memcpy(result.get(), data + header->SizeOfHeader, imageSize);
}
else if (compressionInfo->CompressionType == XEX_COMPRESSION_BASIC)
{
auto* blocks = reinterpret_cast<const XEX_BASIC_FILE_COMPRESSION_INFO*>(compressionInfo + 1);
const size_t numBlocks = (compressionInfo->SizeOfHeader / sizeof(XEX_BASIC_FILE_COMPRESSION_INFO)) - 1;
imageSize = 0;
for (size_t i = 0; i < numBlocks; i++)
{
imageSize += blocks[i].SizeOfData + blocks[i].SizeOfPadding;
}
imageSize = 0;
for (size_t i = 0; i < numBlocks; i++)
{
imageSize += blocks[i].SizeOfData + blocks[i].SizeOfPadding;
}
result = std::make_unique<uint8_t[]>(imageSize);
auto* srcData = data + header->SizeOfHeader;
auto* destData = result.get();
result = std::make_unique<uint8_t[]>(imageSize);
auto* srcData = data + header->SizeOfHeader;
auto* destData = result.get();
for (size_t i = 0; i < numBlocks; i++)
{
memcpy(destData, srcData, blocks[i].SizeOfData);
for (size_t i = 0; i < numBlocks; i++)
{
memcpy(destData, srcData, blocks[i].SizeOfData);
srcData += blocks[i].SizeOfData;
destData += blocks[i].SizeOfData;
srcData += blocks[i].SizeOfData;
destData += blocks[i].SizeOfData;
memset(destData, 0, blocks[i].SizeOfPadding);
destData += blocks[i].SizeOfPadding;
}
}
}
memset(destData, 0, blocks[i].SizeOfPadding);
destData += blocks[i].SizeOfPadding;
}
}
}
return result;
return result;
}