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package debug_pe
PE_SIGNATURE_OFFSET_INDEX_POS :: 0x3c
PE_SIGNATURE :: u32le(0x0000_4550) // "PE\x00\x00"
PE_SIGNATURE_STRING :: "PE\x00\x00"
OPTIONAL_HEADER_MAGIC :: enum u16le {
PE32 = 0x010b,
PE32_PLUS = 0x020b,
}
Optional_Header_Base :: struct #packed {
magic: OPTIONAL_HEADER_MAGIC,
major_linker_version: u8,
minor_linker_version: u8,
size_of_code: u32le,
size_of_initialized_data: u32le,
size_of_uninitialized_data: u32le,
address_of_entry_point: u32le,
base_of_code: u32le,
}
File_Header :: struct #packed {
machine: IMAGE_FILE_MACHINE,
number_of_sections: u16le,
time_date_stamp: u32le,
pointer_to_symbol_table: u32le,
number_of_symbols: u32le,
size_of_optional_header: u16le,
characteristics: IMAGE_FILE_CHARACTERISTICS,
}
Data_Directory :: struct #packed {
virtual_address: u32le,
size: u32le,
}
Optional_Header32 :: struct #packed {
using base: Optional_Header_Base,
base_of_data: u32le,
image_base: u32le,
section_alignment: u32le,
file_alignment: u32le,
major_operating_system_version: u16le,
minor_operating_system_version: u16le,
major_image_version: u16le,
minor_image_version: u16le,
major_subsystem_version: u16le,
minor_subsystem_version: u16le,
win32_version_value: u32le,
size_of_image: u32le,
size_of_headers: u32le,
check_sum: u32le,
subsystem: IMAGE_SUBSYSTEM,
dll_characteristics: IMAGE_DLLCHARACTERISTICS,
size_of_stack_reserve: u32le,
size_of_stack_commit: u32le,
size_of_heap_reserve: u32le,
size_of_heap_commit: u32le,
loader_flags: u32le,
number_of_rva_and_sizes: u32le,
data_directory: [16]Data_Directory,
}
Optional_Header64 :: struct #packed {
using base: Optional_Header_Base,
image_base: u64le,
section_alignment: u32le,
file_alignment: u32le,
major_operating_system_version: u16le,
minor_operating_system_version: u16le,
major_image_version: u16le,
minor_image_version: u16le,
major_subsystem_version: u16le,
minor_subsystem_version: u16le,
win32_version_value: u32le,
size_of_image: u32le,
size_of_headers: u32le,
check_sum: u32le,
subsystem: IMAGE_SUBSYSTEM,
dll_characteristics: IMAGE_DLLCHARACTERISTICS,
size_of_stack_reserve: u64le,
size_of_stack_commit: u64le,
size_of_heap_reserve: u64le,
size_of_heap_commit: u64le,
loader_flags: u32le,
number_of_rva_and_sizes: u32le,
data_directory: [16]Data_Directory,
}
// .debug section
Debug_Directory_Entry :: struct {
characteristics: u32le,
time_date_stamp: u32le,
major_version: u16le,
minor_version: u16le,
type: IMAGE_DEBUG_TYPE,
size_of_data: u32le,
address_of_raw_data: u32le,
pointer_to_raw_data: u32le,
}
IMAGE_FILE_MACHINE :: enum u16le {
UNKNOWN = 0x0,
AM33 = 0x1d3,
AMD64 = 0x8664,
ARM = 0x1c0,
ARMNT = 0x1c4,
ARM64 = 0xaa64,
EBC = 0xebc,
I386 = 0x14c,
IA64 = 0x200,
LOONGARCH32 = 0x6232,
LOONGARCH64 = 0x6264,
M32R = 0x9041,
MIPS16 = 0x266,
MIPSFPU = 0x366,
MIPSFPU16 = 0x466,
POWERPC = 0x1f0,
POWERPCFP = 0x1f1,
R4000 = 0x166,
SH3 = 0x1a2,
SH3DSP = 0x1a3,
SH4 = 0x1a6,
SH5 = 0x1a8,
THUMB = 0x1c2,
WCEMIPSV2 = 0x169,
}
// IMAGE_DIRECTORY_ENTRY constants
IMAGE_DIRECTORY_ENTRY :: enum u8 {
EXPORT = 0,
IMPORT = 1,
RESOURCE = 2,
EXCEPTION = 3,
SECURITY = 4,
BASERELOC = 5,
DEBUG = 6,
ARCHITECTURE = 7, // reserved
GLOBALPTR = 8,
TLS = 9,
LOAD_CONFIG = 10,
BOUND_IMPORT = 11,
IAT = 12,
DELAY_IMPORT = 13,
COM_DESCRIPTOR = 14, // DLR Runtime headers
_RESERVED = 15,
}
#assert(len(IMAGE_DIRECTORY_ENTRY) == 16)
IMAGE_FILE_CHARACTERISTICS :: distinct bit_set[IMAGE_FILE_CHARACTERISTIC; u16le]
IMAGE_FILE_CHARACTERISTIC :: enum u16le {
RELOCS_STRIPPED = 0,
EXECUTABLE_IMAGE = 1,
LINE_NUMS_STRIPPED = 2,
LOCAL_SYMS_STRIPPED = 3,
AGGRESIVE_WS_TRIM = 4,
LARGE_ADDRESS_AWARE = 5,
BYTES_REVERSED_LO = 7,
MACHINE_32BIT = 8, // IMAGE_FILE_32BIT_MACHINE originally
DEBUG_STRIPPED = 9,
REMOVABLE_RUN_FROM_SWAP = 10,
NET_RUN_FROM_SWAP = 11,
SYSTEM = 12,
DLL = 13,
UP_SYSTEM_ONLY = 14,
BYTES_REVERSED_HI = 15,
}
IMAGE_SUBSYSTEM :: enum u16le {
UNKNOWN = 0,
NATIVE = 1,
WINDOWS_GUI = 2,
WINDOWS_CUI = 3,
OS2_CUI = 5,
POSIX_CUI = 7,
NATIVE_WINDOWS = 8,
WINDOWS_CE_GUI = 9,
EFI_APPLICATION = 10,
EFI_BOOT_SERVICE_DRIVER = 11,
EFI_RUNTIME_DRIVER = 12,
EFI_ROM = 13,
XBOX = 14,
WINDOWS_BOOT_APPLICATION = 16,
}
IMAGE_DLLCHARACTERISTICS :: distinct bit_set[IMAGE_DLLCHARACTERISTIC; u16le]
IMAGE_DLLCHARACTERISTIC :: enum u16le {
HIGH_ENTROPY_VA = 5,
DYNAMIC_BASE = 6,
FORCE_INTEGRITY = 7,
NX_COMPAT = 8,
NO_ISOLATION = 9,
NO_SEH = 10,
NO_BIND = 11,
APPCONTAINER = 12,
WDM_DRIVER = 13,
GUARD_CF = 14,
TERMINAL_SERVER_AWARE = 15,
}
IMAGE_DEBUG_TYPE :: enum u32le {
UNKNOWN = 0, // An unknown value that is ignored by all tools.
COFF = 1, // The COFF debug information (line numbers, symbol table, and string table). This type of debug information is also pointed to by fields in the file headers.
CODEVIEW = 2, // The Visual C++ debug information.
FPO = 3, // The frame pointer omission (FPO) information. This information tells the debugger how to interpret nonstandard stack frames, which use the EBP register for a purpose other than as a frame pointer.
MISC = 4, // The location of DBG file.
EXCEPTION = 5, // A copy of .pdata section.
FIXUP = 6, // Reserved.
OMAP_TO_SRC = 7, // The mapping from an RVA in image to an RVA in source image.
OMAP_FROM_SRC = 8, // The mapping from an RVA in source image to an RVA in image.
BORLAND = 9, // Reserved for Borland.
RESERVED10 = 10, // Reserved.
CLSID = 11, // Reserved.
REPRO = 16, // PE determinism or reproducibility.
EX_DLLCHARACTERISTICS = 20, // Extended DLL characteristics bits.
}
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