442 lines
12 KiB
C
442 lines
12 KiB
C
/*
|
|
* Mr. 4th Dimention - Allen Webster
|
|
*
|
|
* 20.11.2015
|
|
*
|
|
* DLL loader declarations for 4coder
|
|
*
|
|
*/
|
|
|
|
// TOP
|
|
|
|
struct DOS_Header {
|
|
char signature[2];
|
|
i16 lastsize;
|
|
i16 nblocks;
|
|
i16 nreloc;
|
|
i16 hdrsize;
|
|
i16 minalloc;
|
|
i16 maxalloc;
|
|
i16 ss;
|
|
i16 sp;
|
|
i16 checksum;
|
|
i16 ip;
|
|
i16 cs;
|
|
i16 relocpos;
|
|
i16 noverlay;
|
|
i16 reserved1[4];
|
|
i16 oem_id;
|
|
i16 oem_info;
|
|
i16 reserved2[10];
|
|
i32 e_lfanew;
|
|
};
|
|
|
|
enum Target_Machine_Code{
|
|
intel_i386 = 0x14C,
|
|
intel_i860 = 0x14D,
|
|
|
|
mips_r3000 = 0x162,
|
|
mips_little_endian = 0x166,
|
|
mips_r10000 = 0x168,
|
|
|
|
old_alpha_axp = 0x183,
|
|
alpha_axp = 0x184,
|
|
|
|
hitachi_sh3 = 0x1a2,
|
|
hitachi_sh3_dsp = 0x1a3,
|
|
hitachi_sh4 = 0x1a6,
|
|
hitachi_sh5 = 0x1a8,
|
|
|
|
arm_little_endian = 0x1c0,
|
|
thumb = 0x1c2,
|
|
|
|
matsushita_am33 = 0x1d3,
|
|
power_pc_little_endian = 0x1f0,
|
|
power_pc_with_floating = 0x1f1,
|
|
|
|
intel_ia64 = 0x200,
|
|
mips16 = 0x266,
|
|
motorola_68000_series = 0x268,
|
|
|
|
alpha_axp_64_bit = 0x284,
|
|
|
|
mips_with_fpu = 0x366,
|
|
mips16_with_fpu = 0x466,
|
|
eft_byte_code = 0xebc,
|
|
|
|
amd_amd64 = 0x8664,
|
|
mitsubishi_m32r_little_endian = 0x9041,
|
|
clr_pure_msil = 0xc0ee
|
|
};
|
|
|
|
#define file_is_exe 0x2
|
|
#define file_is_non_reloctable 0x200
|
|
#define file_is_dll 0x2000
|
|
|
|
struct COFF_Header{
|
|
u16 machine;
|
|
u16 number_of_sections;
|
|
u32 time_date_stamp;
|
|
u32 pointer_to_symbol_table;
|
|
u32 number_of_symbols;
|
|
u16 size_of_optional_header;
|
|
u16 characteristics;
|
|
};
|
|
|
|
struct Data_Directory{
|
|
u32 virtual_address;
|
|
u32 size;
|
|
};
|
|
|
|
// This version is untested
|
|
struct PE_Opt_Header_32Bit{
|
|
// Universal Portion
|
|
i16 signature;
|
|
i8 major_linker_version;
|
|
i8 minor_linker_version;
|
|
i32 size_of_code;
|
|
i32 size_of_initialized_data;
|
|
i32 size_of_uninitialized_data;
|
|
i32 address_of_entry_point;
|
|
i32 base_of_code;
|
|
i32 base_of_data;
|
|
|
|
// Windows Portion
|
|
i32 image_base;
|
|
i32 section_alignment;
|
|
i32 file_alignment;
|
|
i16 major_OS_version;
|
|
i16 minor_OS_version;
|
|
i16 major_image_version;
|
|
i16 minor_image_version;
|
|
i16 major_subsystem_version;
|
|
i16 minor_subsystem_version;
|
|
i32 reserved;
|
|
i32 size_of_image;
|
|
i32 size_of_headers;
|
|
i32 checksum;
|
|
i16 subsystem;
|
|
i16 DLL_characteristics;
|
|
i32 size_of_stack_reserve;
|
|
i32 size_of_stack_commit;
|
|
i32 size_of_heap_reserve;
|
|
i32 size_of_heap_commit;
|
|
i32 loader_flags;
|
|
i32 number_of_rva_and_sizes;
|
|
Data_Directory data_directory[16];
|
|
};
|
|
|
|
struct PE_Opt_Header_64Bit{
|
|
// Universal Portion
|
|
u16 signature;
|
|
u8 major_linker_version;
|
|
u8 minor_linker_version;
|
|
u32 size_of_code;
|
|
u32 size_of_initialized_data;
|
|
u32 size_of_uninitialized_data;
|
|
u32 address_of_entry_point;
|
|
u32 base_of_code;
|
|
|
|
// Windows Portion
|
|
u64 image_base;
|
|
u32 section_alignment;
|
|
u32 file_alignment;
|
|
u16 major_OS_version;
|
|
u16 minor_OS_version;
|
|
u16 major_image_version;
|
|
u16 minor_image_version;
|
|
u16 major_subsystem_version;
|
|
u16 minor_subsystem_version;
|
|
u32 reserved;
|
|
u32 size_of_image;
|
|
u32 size_of_headers;
|
|
u32 checksum;
|
|
u16 subsystem;
|
|
u16 DLL_characteristics;
|
|
u64 size_of_stack_reserve;
|
|
u64 size_of_stack_commit;
|
|
u64 size_of_heap_reserve;
|
|
u64 size_of_heap_commit;
|
|
u32 loader_flags;
|
|
u32 number_of_rva_and_sizes;
|
|
Data_Directory data_directory[16];
|
|
};
|
|
|
|
#define bitsig_32bit 267
|
|
#define bitsig_64bit 523
|
|
|
|
#define image_dir_entry_export 0
|
|
#define image_dir_entry_import 1
|
|
#define image_dir_entry_resource 2
|
|
#define image_dir_base_reloc_table 5
|
|
#define image_dir_entry_bound_import 11
|
|
|
|
struct PE_Section_Definition{
|
|
char name[8];
|
|
u32 loaded_size;
|
|
u32 loaded_location;
|
|
u32 disk_size;
|
|
u32 disk_location;
|
|
u32 disk_relocs;
|
|
u32 reserved1;
|
|
u16 number_of_relocs;
|
|
u16 reserved2;
|
|
u32 flags;
|
|
};
|
|
|
|
#define image_scn_type_no_pad 0x00000008
|
|
#define image_scn_cnt_code 0x00000020
|
|
#define image_scn_cnt_initialized_data 0x00000040
|
|
#define image_scn_cnt_uninitialized_data 0x00000080
|
|
#define image_scn_lnk_other 0x00000100
|
|
#define image_scn_lnk_info 0x00000200
|
|
#define image_scn_lnk_remove 0x00000800
|
|
#define image_scn_lnk_comdat 0x00001000
|
|
#define image_scn_no_defer_spec_exc 0x00004000
|
|
#define image_scn_gprel 0x00008000
|
|
#define image_scn_mem_fardata 0x00008000
|
|
#define image_scn_mem_purgeable 0x00020000
|
|
#define image_scn_mem_16BIT 0x00020000
|
|
#define image_scn_mem_locked 0x00040000
|
|
#define image_scn_mem_preload 0x00080000
|
|
|
|
#define image_scn_align_1bytes 0x00100000
|
|
#define image_scn_align_2bytes 0x00200000
|
|
#define image_scn_align_4bytes 0x00300000
|
|
#define image_scn_align_8bytes 0x00400000
|
|
#define image_scn_align_16bytes 0x00500000
|
|
#define image_scn_align_32bytes 0x00600000
|
|
#define image_scn_align_64bytes 0x00700000
|
|
#define image_scn_align_128bytes 0x00800000
|
|
#define image_scn_align_256bytes 0x00900000
|
|
#define image_scn_align_512bytes 0x00A00000
|
|
#define image_scn_align_1024bytes 0x00B00000
|
|
#define image_scn_align_2048bytes 0x00C00000
|
|
#define image_scn_align_4096bytes 0x00D00000
|
|
#define image_scn_align_8192bytes 0x00E00000
|
|
#define image_scn_align_mask 0x00F00000
|
|
|
|
#define image_scn_lnk_nreloc_ovfl 0x01000000
|
|
#define image_scn_mem_discardable 0x02000000
|
|
#define image_scn_mem_not_cached 0x04000000
|
|
#define image_scn_mem_not_paged 0x08000000
|
|
#define image_scn_mem_shared 0x10000000
|
|
#define image_scn_mem_execute 0x20000000
|
|
#define image_scn_mem_read 0x40000000
|
|
#define image_scn_mem_write 0x80000000
|
|
|
|
#pragma pack(push, 1)
|
|
struct COFF_Relocation{
|
|
u32 virtual_address;
|
|
u32 symbol_table_index;
|
|
u16 type;
|
|
};
|
|
#pragma pack(pop)
|
|
|
|
enum Image_Rel_Amd64{
|
|
image_rel_amd64_absolute = 0x00,
|
|
image_rel_amd64_addr64 = 0x01,
|
|
image_rel_amd64_addr32 = 0x02,
|
|
image_rel_amd64_addr32nb = 0x03,
|
|
image_rel_amd64_rel32 = 0x04,
|
|
image_rel_amd64_rel32_1 = 0x05,
|
|
image_rel_amd64_rel32_2 = 0x06,
|
|
image_rel_amd64_rel32_3 = 0x07,
|
|
image_rel_amd64_rel32_4 = 0x08,
|
|
image_rel_amd64_rel32_5 = 0x09,
|
|
image_rel_amd64_section = 0x0A,
|
|
image_rel_amd64_secrel = 0x0B,
|
|
image_rel_amd64_secrel7 = 0x0C,
|
|
image_rel_amd64_token = 0x0D,
|
|
image_rel_amd64_srel32 = 0x0E,
|
|
image_rel_amd64_pair = 0x0F,
|
|
image_rel_amd64_sspan32 = 0x10
|
|
};
|
|
|
|
enum Image_Rel_Arm{
|
|
image_rel_arm_absolute = 0x0,
|
|
image_rel_arm_addr32 = 0x1,
|
|
image_rel_arm_addr32nb = 0x2,
|
|
image_rel_arm_branch24 = 0x3,
|
|
image_rel_arm_branch11 = 0x4,
|
|
image_rel_arm_token = 0x5,
|
|
image_rel_arm_blx24 = 0x6,
|
|
image_rel_arm_blx11 = 0x7,
|
|
image_rel_arm_section = 0x8,
|
|
image_rel_arm_secrel = 0x9,
|
|
image_rel_arm_mov32a = 0xA,
|
|
image_rel_arm_mov32t = 0xB,
|
|
image_rel_arm_branch20t = 0xC,
|
|
image_rel_arm_branch24t = 0xD,
|
|
image_rel_arm_blx32t = 0xE
|
|
};
|
|
|
|
enum Image_Rel_Arm64{
|
|
image_rel_arm64_absolute = 0x0,
|
|
image_rel_arm64_addr32 = 0x1,
|
|
image_rel_arm64_addr32nb = 0x2,
|
|
image_rel_arm64_branch26 = 0x3,
|
|
image_rel_arm64_pagebase_rel21 = 0x4,
|
|
image_rel_arm64_rel21 = 0x5,
|
|
image_rel_arm64_pageoffset_12a = 0x6,
|
|
image_rel_arm64_pageoffset_12l = 0x7,
|
|
image_rel_arm64_secrel = 0x8,
|
|
image_rel_arm64_secrel_low12a = 0x9,
|
|
image_rel_arm64_secrel_high12a = 0xA,
|
|
image_rel_arm64_secrel_low12l = 0xB,
|
|
image_rel_arm64_token = 0xC,
|
|
image_rel_arm64_section = 0xD,
|
|
image_rel_arm64_addr64 = 0xE
|
|
};
|
|
|
|
// NOTE(allen):
|
|
// skipped Hitachi SuperH
|
|
// skiiped IBM PowerPC
|
|
|
|
enum Image_Rel_i386{
|
|
image_rel_i386_absolute = 0x0,
|
|
image_rel_i386_dir16 = 0x1,
|
|
image_rel_i386_rel16 = 0x2,
|
|
image_rel_i386_dir32 = 0x3,
|
|
image_rel_i386_dir32nb = 0x4,
|
|
image_rel_i386_seg12 = 0x5,
|
|
image_rel_i386_section = 0x6,
|
|
image_rel_i386_secrel = 0x7,
|
|
image_rel_i386_token = 0x8,
|
|
image_rel_i386_secrel7 = 0x9,
|
|
image_rel_i386_rel32 = 0xA
|
|
};
|
|
|
|
// NOTE(allen):
|
|
// skipped ia64
|
|
// skipped MIPS
|
|
// skiiped Mitsubishi
|
|
|
|
struct Relocation_Block_Header{
|
|
u32 page_base_offset;
|
|
u32 block_size;
|
|
};
|
|
|
|
#define reloc_entry_type_mask 0xF000
|
|
#define reloc_entry_type_shift 12
|
|
#define reloc_entry_offset_mask 0x0FFF
|
|
|
|
struct Relocation_Block_Entry{
|
|
u16 entry;
|
|
};
|
|
|
|
enum DLL_Relocation_Type{
|
|
image_base_absolute,
|
|
// nothing
|
|
|
|
image_base_high,
|
|
// add high 16 bits of diff to 16 bits at offset
|
|
|
|
image_base_low,
|
|
// add low 16 bits of diff to 16 bits at offset
|
|
|
|
image_base_highlow,
|
|
// adds all 32 bits to 32 bits at offset
|
|
|
|
image_base_highadj,
|
|
// consumes two slots: high 16 bits at location, low 16 bits at next location
|
|
|
|
image_base_arm_mov32a,
|
|
// mips: jump instruction; arm: MOVW+MOVT
|
|
|
|
image_base_reserved1,
|
|
|
|
image_base_arm_mov32t,
|
|
// MOVW+MOVT in Thumb mode
|
|
|
|
image_base_reserved2,
|
|
|
|
image_base_mips_jmpaddr16,
|
|
// mips16 jump instruction
|
|
|
|
image_base_dir64
|
|
// adds to 64 bits field
|
|
};
|
|
|
|
struct DLL_Data{
|
|
DOS_Header *dos_header;
|
|
COFF_Header *coff_header;
|
|
PE_Opt_Header_32Bit *opt_header_32;
|
|
PE_Opt_Header_64Bit *opt_header_64;
|
|
PE_Section_Definition *section_defs;
|
|
b32 is_64bit;
|
|
};
|
|
|
|
struct DLL_Loaded{
|
|
DOS_Header *dos_header;
|
|
COFF_Header *coff_header;
|
|
PE_Opt_Header_32Bit *opt_header_32;
|
|
PE_Opt_Header_64Bit *opt_header_64;
|
|
PE_Section_Definition *section_defs;
|
|
b32 is_64bit;
|
|
|
|
Data img;
|
|
u32 export_start;
|
|
u32 text_start;
|
|
u32 text_size;
|
|
};
|
|
|
|
struct DLL_Export_Directory_Table{
|
|
u32 export_flags;
|
|
u32 time_date_stamp;
|
|
u16 major_version;
|
|
u16 minor_version;
|
|
u32 name_offset;
|
|
u32 ordinal_base;
|
|
u32 number_of_addresses;
|
|
u32 number_of_name_pointers;
|
|
u32 address_offset;
|
|
u32 name_pointer_offset;
|
|
u32 ordinal_offset;
|
|
};
|
|
|
|
struct DLL_Export_Address{
|
|
u32 export_offset;
|
|
};
|
|
|
|
struct DLL_Export_Name{
|
|
u32 name_offset;
|
|
};
|
|
|
|
struct DLL_Export_Ordinal{
|
|
u16 ordinal;
|
|
};
|
|
|
|
struct DLL_Debug_Entry{
|
|
u32 characteristics;
|
|
u32 time_date_stamp;
|
|
u16 major_version;
|
|
u16 minor_version;
|
|
u32 type;
|
|
u32 size_of_data;
|
|
u32 offset_of_data;
|
|
u32 disk_offset_of_data;
|
|
} thingy;
|
|
|
|
enum DLL_Debug_Type{
|
|
img_dbg_type_unknown,
|
|
img_dbg_type_coff,
|
|
img_dbg_type_codeview,
|
|
img_dbg_type_fpo,
|
|
img_dbg_type_misc,
|
|
img_dbg_type_exception,
|
|
img_dbg_type_fixup,
|
|
img_dbg_type_omap_to_src,
|
|
img_dbg_type_omap_from_src
|
|
};
|
|
|
|
char DOS_error_message[] = "This program cannot be run in DOS mode.";
|
|
i32 DOS_error_offset = 0x4E;
|
|
i32 DOS_error_size = sizeof(DOS_error_message) - 1;
|
|
|
|
char PE_header[] = {'P', 'E', 0, 0};
|
|
i32 PE_header_size = 4;
|
|
|
|
// BOTTOM
|
|
|