/* * PE dumping utility * * Copyright 2001 Eric Pouech * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include #include #include #include #include #include "windef.h" #include "winbase.h" #include "winedump.h" #define IMAGE_DLLCHARACTERISTICS_PREFER_NATIVE 0x0010 /* Wine extension */ static const IMAGE_NT_HEADERS32* PE_nt_headers; static const char builtin_signature[] = "Wine builtin DLL"; static const char fakedll_signature[] = "Wine placeholder DLL"; static int is_builtin; const char *get_machine_str(int mach) { switch (mach) { case IMAGE_FILE_MACHINE_UNKNOWN: return "Unknown"; case IMAGE_FILE_MACHINE_I860: return "i860"; case IMAGE_FILE_MACHINE_I386: return "i386"; case IMAGE_FILE_MACHINE_R3000: return "R3000"; case IMAGE_FILE_MACHINE_R4000: return "R4000"; case IMAGE_FILE_MACHINE_R10000: return "R10000"; case IMAGE_FILE_MACHINE_ALPHA: return "Alpha"; case IMAGE_FILE_MACHINE_POWERPC: return "PowerPC"; case IMAGE_FILE_MACHINE_AMD64: return "AMD64"; case IMAGE_FILE_MACHINE_IA64: return "IA64"; case IMAGE_FILE_MACHINE_ARM64: return "ARM64"; case IMAGE_FILE_MACHINE_ARM: return "ARM"; case IMAGE_FILE_MACHINE_ARMNT: return "ARMNT"; case IMAGE_FILE_MACHINE_THUMB: return "ARM Thumb"; } return "???"; } static const void* RVA(unsigned long rva, unsigned long len) { IMAGE_SECTION_HEADER* sectHead; int i; if (rva == 0) return NULL; sectHead = IMAGE_FIRST_SECTION(PE_nt_headers); for (i = PE_nt_headers->FileHeader.NumberOfSections - 1; i >= 0; i--) { if (sectHead[i].VirtualAddress <= rva && rva + len <= (DWORD)sectHead[i].VirtualAddress + sectHead[i].SizeOfRawData) { /* return image import directory offset */ return PRD(sectHead[i].PointerToRawData + rva - sectHead[i].VirtualAddress, len); } } return NULL; } static const IMAGE_NT_HEADERS32 *get_nt_header( void ) { const IMAGE_DOS_HEADER *dos; dos = PRD(0, sizeof(*dos)); if (!dos) return NULL; is_builtin = (dos->e_lfanew >= sizeof(*dos) + 32 && !memcmp( dos + 1, builtin_signature, sizeof(builtin_signature) )); return PRD(dos->e_lfanew, sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER)); } void print_fake_dll( void ) { const IMAGE_DOS_HEADER *dos; dos = PRD(0, sizeof(*dos) + 32); if (dos && dos->e_lfanew >= sizeof(*dos) + 32) { if (!memcmp( dos + 1, builtin_signature, sizeof(builtin_signature) )) printf( "*** This is a Wine builtin DLL ***\n\n" ); else if (!memcmp( dos + 1, fakedll_signature, sizeof(fakedll_signature) )) printf( "*** This is a Wine fake DLL ***\n\n" ); } } static const void *get_dir_and_size(unsigned int idx, unsigned int *size) { if(PE_nt_headers->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC) { const IMAGE_OPTIONAL_HEADER64 *opt = (const IMAGE_OPTIONAL_HEADER64*)&PE_nt_headers->OptionalHeader; if (idx >= opt->NumberOfRvaAndSizes) return NULL; if(size) *size = opt->DataDirectory[idx].Size; return RVA(opt->DataDirectory[idx].VirtualAddress, opt->DataDirectory[idx].Size); } else { const IMAGE_OPTIONAL_HEADER32 *opt = (const IMAGE_OPTIONAL_HEADER32*)&PE_nt_headers->OptionalHeader; if (idx >= opt->NumberOfRvaAndSizes) return NULL; if(size) *size = opt->DataDirectory[idx].Size; return RVA(opt->DataDirectory[idx].VirtualAddress, opt->DataDirectory[idx].Size); } } static const void* get_dir(unsigned idx) { return get_dir_and_size(idx, 0); } static const char * const DirectoryNames[16] = { "EXPORT", "IMPORT", "RESOURCE", "EXCEPTION", "SECURITY", "BASERELOC", "DEBUG", "ARCHITECTURE", "GLOBALPTR", "TLS", "LOAD_CONFIG", "Bound IAT", "IAT", "Delay IAT", "CLR Header", "" }; static const char *get_magic_type(WORD magic) { switch(magic) { case IMAGE_NT_OPTIONAL_HDR32_MAGIC: return "32bit"; case IMAGE_NT_OPTIONAL_HDR64_MAGIC: return "64bit"; case IMAGE_ROM_OPTIONAL_HDR_MAGIC: return "ROM"; } return "???"; } static inline void print_word(const char *title, WORD value) { printf(" %-34s 0x%-4X %u\n", title, value, value); } static inline void print_dword(const char *title, UINT value) { printf(" %-34s 0x%-8x %u\n", title, value, value); } static inline void print_longlong(const char *title, ULONGLONG value) { printf(" %-34s 0x", title); if (sizeof(value) > sizeof(unsigned long) && value >> 32) printf("%lx%08lx\n", (unsigned long)(value >> 32), (unsigned long)value); else printf("%lx\n", (unsigned long)value); } static inline void print_ver(const char *title, BYTE major, BYTE minor) { printf(" %-34s %u.%02u\n", title, major, minor); } static inline void print_subsys(const char *title, WORD value) { const char *str; switch (value) { default: case IMAGE_SUBSYSTEM_UNKNOWN: str = "Unknown"; break; case IMAGE_SUBSYSTEM_NATIVE: str = "Native"; break; case IMAGE_SUBSYSTEM_WINDOWS_GUI: str = "Windows GUI"; break; case IMAGE_SUBSYSTEM_WINDOWS_CUI: str = "Windows CUI"; break; case IMAGE_SUBSYSTEM_OS2_CUI: str = "OS/2 CUI"; break; case IMAGE_SUBSYSTEM_POSIX_CUI: str = "Posix CUI"; break; case IMAGE_SUBSYSTEM_NATIVE_WINDOWS: str = "native Win9x driver"; break; case IMAGE_SUBSYSTEM_WINDOWS_CE_GUI: str = "Windows CE GUI"; break; case IMAGE_SUBSYSTEM_EFI_APPLICATION: str = "EFI application"; break; case IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER: str = "EFI driver (boot)"; break; case IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER: str = "EFI driver (runtime)"; break; case IMAGE_SUBSYSTEM_EFI_ROM: str = "EFI ROM"; break; case IMAGE_SUBSYSTEM_XBOX: str = "Xbox application"; break; case IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION: str = "Boot application"; break; } printf(" %-34s 0x%X (%s)\n", title, value, str); } static inline void print_dllflags(const char *title, WORD value) { printf(" %-34s 0x%04X\n", title, value); #define X(f,s) do { if (value & f) printf(" %s\n", s); } while(0) if (is_builtin) X(IMAGE_DLLCHARACTERISTICS_PREFER_NATIVE, "PREFER_NATIVE (Wine extension)"); X(IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA, "HIGH_ENTROPY_VA"); X(IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE, "DYNAMIC_BASE"); X(IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY, "FORCE_INTEGRITY"); X(IMAGE_DLLCHARACTERISTICS_NX_COMPAT, "NX_COMPAT"); X(IMAGE_DLLCHARACTERISTICS_NO_ISOLATION, "NO_ISOLATION"); X(IMAGE_DLLCHARACTERISTICS_NO_SEH, "NO_SEH"); X(IMAGE_DLLCHARACTERISTICS_NO_BIND, "NO_BIND"); X(IMAGE_DLLCHARACTERISTICS_APPCONTAINER, "APPCONTAINER"); X(IMAGE_DLLCHARACTERISTICS_WDM_DRIVER, "WDM_DRIVER"); X(IMAGE_DLLCHARACTERISTICS_GUARD_CF, "GUARD_CF"); X(IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE, "TERMINAL_SERVER_AWARE"); #undef X } static inline void print_datadirectory(DWORD n, const IMAGE_DATA_DIRECTORY *directory) { unsigned i; printf("Data Directory\n"); for (i = 0; i < n && i < 16; i++) { printf(" %-12s rva: 0x%-8x size: 0x%-8x\n", DirectoryNames[i], (UINT)directory[i].VirtualAddress, (UINT)directory[i].Size); } } static void dump_optional_header32(const IMAGE_OPTIONAL_HEADER32 *image_oh, UINT header_size) { IMAGE_OPTIONAL_HEADER32 oh; const IMAGE_OPTIONAL_HEADER32 *optionalHeader; /* in case optional header is missing or partial */ memset(&oh, 0, sizeof(oh)); memcpy(&oh, image_oh, min(header_size, sizeof(oh))); optionalHeader = &oh; print_word("Magic", optionalHeader->Magic); print_ver("linker version", optionalHeader->MajorLinkerVersion, optionalHeader->MinorLinkerVersion); print_dword("size of code", optionalHeader->SizeOfCode); print_dword("size of initialized data", optionalHeader->SizeOfInitializedData); print_dword("size of uninitialized data", optionalHeader->SizeOfUninitializedData); print_dword("entrypoint RVA", optionalHeader->AddressOfEntryPoint); print_dword("base of code", optionalHeader->BaseOfCode); print_dword("base of data", optionalHeader->BaseOfData); print_dword("image base", optionalHeader->ImageBase); print_dword("section align", optionalHeader->SectionAlignment); print_dword("file align", optionalHeader->FileAlignment); print_ver("required OS version", optionalHeader->MajorOperatingSystemVersion, optionalHeader->MinorOperatingSystemVersion); print_ver("image version", optionalHeader->MajorImageVersion, optionalHeader->MinorImageVersion); print_ver("subsystem version", optionalHeader->MajorSubsystemVersion, optionalHeader->MinorSubsystemVersion); print_dword("Win32 Version", optionalHeader->Win32VersionValue); print_dword("size of image", optionalHeader->SizeOfImage); print_dword("size of headers", optionalHeader->SizeOfHeaders); print_dword("checksum", optionalHeader->CheckSum); print_subsys("Subsystem", optionalHeader->Subsystem); print_dllflags("DLL characteristics:", optionalHeader->DllCharacteristics); print_dword("stack reserve size", optionalHeader->SizeOfStackReserve); print_dword("stack commit size", optionalHeader->SizeOfStackCommit); print_dword("heap reserve size", optionalHeader->SizeOfHeapReserve); print_dword("heap commit size", optionalHeader->SizeOfHeapCommit); print_dword("loader flags", optionalHeader->LoaderFlags); print_dword("RVAs & sizes", optionalHeader->NumberOfRvaAndSizes); printf("\n"); print_datadirectory(optionalHeader->NumberOfRvaAndSizes, optionalHeader->DataDirectory); printf("\n"); } static void dump_optional_header64(const IMAGE_OPTIONAL_HEADER64 *image_oh, UINT header_size) { IMAGE_OPTIONAL_HEADER64 oh; const IMAGE_OPTIONAL_HEADER64 *optionalHeader; /* in case optional header is missing or partial */ memset(&oh, 0, sizeof(oh)); memcpy(&oh, image_oh, min(header_size, sizeof(oh))); optionalHeader = &oh; print_word("Magic", optionalHeader->Magic); print_ver("linker version", optionalHeader->MajorLinkerVersion, optionalHeader->MinorLinkerVersion); print_dword("size of code", optionalHeader->SizeOfCode); print_dword("size of initialized data", optionalHeader->SizeOfInitializedData); print_dword("size of uninitialized data", optionalHeader->SizeOfUninitializedData); print_dword("entrypoint RVA", optionalHeader->AddressOfEntryPoint); print_dword("base of code", optionalHeader->BaseOfCode); print_longlong("image base", optionalHeader->ImageBase); print_dword("section align", optionalHeader->SectionAlignment); print_dword("file align", optionalHeader->FileAlignment); print_ver("required OS version", optionalHeader->MajorOperatingSystemVersion, optionalHeader->MinorOperatingSystemVersion); print_ver("image version", optionalHeader->MajorImageVersion, optionalHeader->MinorImageVersion); print_ver("subsystem version", optionalHeader->MajorSubsystemVersion, optionalHeader->MinorSubsystemVersion); print_dword("Win32 Version", optionalHeader->Win32VersionValue); print_dword("size of image", optionalHeader->SizeOfImage); print_dword("size of headers", optionalHeader->SizeOfHeaders); print_dword("checksum", optionalHeader->CheckSum); print_subsys("Subsystem", optionalHeader->Subsystem); print_dllflags("DLL characteristics:", optionalHeader->DllCharacteristics); print_longlong("stack reserve size", optionalHeader->SizeOfStackReserve); print_longlong("stack commit size", optionalHeader->SizeOfStackCommit); print_longlong("heap reserve size", optionalHeader->SizeOfHeapReserve); print_longlong("heap commit size", optionalHeader->SizeOfHeapCommit); print_dword("loader flags", optionalHeader->LoaderFlags); print_dword("RVAs & sizes", optionalHeader->NumberOfRvaAndSizes); printf("\n"); print_datadirectory(optionalHeader->NumberOfRvaAndSizes, optionalHeader->DataDirectory); printf("\n"); } void dump_optional_header(const IMAGE_OPTIONAL_HEADER32 *optionalHeader, UINT header_size) { printf("Optional Header (%s)\n", get_magic_type(optionalHeader->Magic)); switch(optionalHeader->Magic) { case IMAGE_NT_OPTIONAL_HDR32_MAGIC: dump_optional_header32(optionalHeader, header_size); break; case IMAGE_NT_OPTIONAL_HDR64_MAGIC: dump_optional_header64((const IMAGE_OPTIONAL_HEADER64 *)optionalHeader, header_size); break; default: printf(" Unknown optional header magic: 0x%-4X\n", optionalHeader->Magic); break; } } void dump_file_header(const IMAGE_FILE_HEADER *fileHeader) { printf("File Header\n"); printf(" Machine: %04X (%s)\n", fileHeader->Machine, get_machine_str(fileHeader->Machine)); printf(" Number of Sections: %d\n", fileHeader->NumberOfSections); printf(" TimeDateStamp: %08X (%s) offset %lu\n", (UINT)fileHeader->TimeDateStamp, get_time_str(fileHeader->TimeDateStamp), Offset(&(fileHeader->TimeDateStamp))); printf(" PointerToSymbolTable: %08X\n", (UINT)fileHeader->PointerToSymbolTable); printf(" NumberOfSymbols: %08X\n", (UINT)fileHeader->NumberOfSymbols); printf(" SizeOfOptionalHeader: %04X\n", (UINT)fileHeader->SizeOfOptionalHeader); printf(" Characteristics: %04X\n", (UINT)fileHeader->Characteristics); #define X(f,s) if (fileHeader->Characteristics & f) printf(" %s\n", s) X(IMAGE_FILE_RELOCS_STRIPPED, "RELOCS_STRIPPED"); X(IMAGE_FILE_EXECUTABLE_IMAGE, "EXECUTABLE_IMAGE"); X(IMAGE_FILE_LINE_NUMS_STRIPPED, "LINE_NUMS_STRIPPED"); X(IMAGE_FILE_LOCAL_SYMS_STRIPPED, "LOCAL_SYMS_STRIPPED"); X(IMAGE_FILE_AGGRESIVE_WS_TRIM, "AGGRESIVE_WS_TRIM"); X(IMAGE_FILE_LARGE_ADDRESS_AWARE, "LARGE_ADDRESS_AWARE"); X(IMAGE_FILE_16BIT_MACHINE, "16BIT_MACHINE"); X(IMAGE_FILE_BYTES_REVERSED_LO, "BYTES_REVERSED_LO"); X(IMAGE_FILE_32BIT_MACHINE, "32BIT_MACHINE"); X(IMAGE_FILE_DEBUG_STRIPPED, "DEBUG_STRIPPED"); X(IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP, "REMOVABLE_RUN_FROM_SWAP"); X(IMAGE_FILE_NET_RUN_FROM_SWAP, "NET_RUN_FROM_SWAP"); X(IMAGE_FILE_SYSTEM, "SYSTEM"); X(IMAGE_FILE_DLL, "DLL"); X(IMAGE_FILE_UP_SYSTEM_ONLY, "UP_SYSTEM_ONLY"); X(IMAGE_FILE_BYTES_REVERSED_HI, "BYTES_REVERSED_HI"); #undef X printf("\n"); } static void dump_pe_header(void) { dump_file_header(&PE_nt_headers->FileHeader); dump_optional_header((const IMAGE_OPTIONAL_HEADER32*)&PE_nt_headers->OptionalHeader, PE_nt_headers->FileHeader.SizeOfOptionalHeader); } void dump_section(const IMAGE_SECTION_HEADER *sectHead, const char* strtable) { unsigned offset; /* long section name ? */ if (strtable && sectHead->Name[0] == '/' && ((offset = atoi((const char*)sectHead->Name + 1)) < *(const DWORD*)strtable)) printf(" %.8s (%s)", sectHead->Name, strtable + offset); else printf(" %-8.8s", sectHead->Name); printf(" VirtSize: 0x%08x VirtAddr: 0x%08x\n", (UINT)sectHead->Misc.VirtualSize, (UINT)sectHead->VirtualAddress); printf(" raw data offs: 0x%08x raw data size: 0x%08x\n", (UINT)sectHead->PointerToRawData, (UINT)sectHead->SizeOfRawData); printf(" relocation offs: 0x%08x relocations: 0x%08x\n", (UINT)sectHead->PointerToRelocations, (UINT)sectHead->NumberOfRelocations); printf(" line # offs: %-8u line #'s: %-8u\n", (UINT)sectHead->PointerToLinenumbers, (UINT)sectHead->NumberOfLinenumbers); printf(" characteristics: 0x%08x\n", (UINT)sectHead->Characteristics); printf(" "); #define X(b,s) if (sectHead->Characteristics & b) printf(" " s) /* #define IMAGE_SCN_TYPE_REG 0x00000000 - Reserved */ /* #define IMAGE_SCN_TYPE_DSECT 0x00000001 - Reserved */ /* #define IMAGE_SCN_TYPE_NOLOAD 0x00000002 - Reserved */ /* #define IMAGE_SCN_TYPE_GROUP 0x00000004 - Reserved */ /* #define IMAGE_SCN_TYPE_NO_PAD 0x00000008 - Reserved */ /* #define IMAGE_SCN_TYPE_COPY 0x00000010 - Reserved */ X(IMAGE_SCN_CNT_CODE, "CODE"); X(IMAGE_SCN_CNT_INITIALIZED_DATA, "INITIALIZED_DATA"); X(IMAGE_SCN_CNT_UNINITIALIZED_DATA, "UNINITIALIZED_DATA"); X(IMAGE_SCN_LNK_OTHER, "LNK_OTHER"); X(IMAGE_SCN_LNK_INFO, "LNK_INFO"); /* #define IMAGE_SCN_TYPE_OVER 0x00000400 - Reserved */ X(IMAGE_SCN_LNK_REMOVE, "LNK_REMOVE"); X(IMAGE_SCN_LNK_COMDAT, "LNK_COMDAT"); /* 0x00002000 - Reserved */ /* #define IMAGE_SCN_MEM_PROTECTED 0x00004000 - Obsolete */ X(IMAGE_SCN_MEM_FARDATA, "MEM_FARDATA"); /* #define IMAGE_SCN_MEM_SYSHEAP 0x00010000 - Obsolete */ X(IMAGE_SCN_MEM_PURGEABLE, "MEM_PURGEABLE"); X(IMAGE_SCN_MEM_16BIT, "MEM_16BIT"); X(IMAGE_SCN_MEM_LOCKED, "MEM_LOCKED"); X(IMAGE_SCN_MEM_PRELOAD, "MEM_PRELOAD"); switch (sectHead->Characteristics & IMAGE_SCN_ALIGN_MASK) { #define X2(b,s) case b: printf(" " s); break X2(IMAGE_SCN_ALIGN_1BYTES, "ALIGN_1BYTES"); X2(IMAGE_SCN_ALIGN_2BYTES, "ALIGN_2BYTES"); X2(IMAGE_SCN_ALIGN_4BYTES, "ALIGN_4BYTES"); X2(IMAGE_SCN_ALIGN_8BYTES, "ALIGN_8BYTES"); X2(IMAGE_SCN_ALIGN_16BYTES, "ALIGN_16BYTES"); X2(IMAGE_SCN_ALIGN_32BYTES, "ALIGN_32BYTES"); X2(IMAGE_SCN_ALIGN_64BYTES, "ALIGN_64BYTES"); X2(IMAGE_SCN_ALIGN_128BYTES, "ALIGN_128BYTES"); X2(IMAGE_SCN_ALIGN_256BYTES, "ALIGN_256BYTES"); X2(IMAGE_SCN_ALIGN_512BYTES, "ALIGN_512BYTES"); X2(IMAGE_SCN_ALIGN_1024BYTES, "ALIGN_1024BYTES"); X2(IMAGE_SCN_ALIGN_2048BYTES, "ALIGN_2048BYTES"); X2(IMAGE_SCN_ALIGN_4096BYTES, "ALIGN_4096BYTES"); X2(IMAGE_SCN_ALIGN_8192BYTES, "ALIGN_8192BYTES"); #undef X2 } X(IMAGE_SCN_LNK_NRELOC_OVFL, "LNK_NRELOC_OVFL"); X(IMAGE_SCN_MEM_DISCARDABLE, "MEM_DISCARDABLE"); X(IMAGE_SCN_MEM_NOT_CACHED, "MEM_NOT_CACHED"); X(IMAGE_SCN_MEM_NOT_PAGED, "MEM_NOT_PAGED"); X(IMAGE_SCN_MEM_SHARED, "MEM_SHARED"); X(IMAGE_SCN_MEM_EXECUTE, "MEM_EXECUTE"); X(IMAGE_SCN_MEM_READ, "MEM_READ"); X(IMAGE_SCN_MEM_WRITE, "MEM_WRITE"); #undef X printf("\n\n"); } static void dump_sections(const void *base, const void* addr, unsigned num_sect) { const IMAGE_SECTION_HEADER* sectHead = addr; unsigned i; const char* strtable; if (PE_nt_headers->FileHeader.PointerToSymbolTable && PE_nt_headers->FileHeader.NumberOfSymbols) { strtable = (const char*)base + PE_nt_headers->FileHeader.PointerToSymbolTable + PE_nt_headers->FileHeader.NumberOfSymbols * sizeof(IMAGE_SYMBOL); } else strtable = NULL; printf("Section Table\n"); for (i = 0; i < num_sect; i++, sectHead++) { dump_section(sectHead, strtable); if (globals.do_dump_rawdata) { dump_data((const unsigned char *)base + sectHead->PointerToRawData, sectHead->SizeOfRawData, " " ); printf("\n"); } } } static char *get_str( char *buffer, unsigned int rva, unsigned int len ) { const WCHAR *wstr = PRD( rva, len ); char *ret = buffer; len /= sizeof(WCHAR); while (len--) *buffer++ = *wstr++; *buffer = 0; return ret; } static void dump_section_apiset(void) { const IMAGE_SECTION_HEADER *sect = IMAGE_FIRST_SECTION(PE_nt_headers); const UINT *ptr, *entry, *value, *hash; unsigned int i, j, count, val_count, rva; char buffer[128]; for (i = 0; i < PE_nt_headers->FileHeader.NumberOfSections; i++, sect++) { if (strncmp( (const char *)sect->Name, ".apiset", 8 )) continue; rva = sect->PointerToRawData; ptr = PRD( rva, sizeof(*ptr) ); printf( "ApiSet section:\n" ); switch (ptr[0]) /* version */ { case 2: printf( " Version: %u\n", ptr[0] ); printf( " Count: %08x\n", ptr[1] ); count = ptr[1]; if (!(entry = PRD( rva + 2 * sizeof(*ptr), count * 3 * sizeof(*entry) ))) break; for (i = 0; i < count; i++, entry += 3) { printf( " %s ->", get_str( buffer, rva + entry[0], entry[1] )); if (!(value = PRD( rva + entry[2], sizeof(*value) ))) break; val_count = *value++; for (j = 0; j < val_count; j++, value += 4) { putchar( ' ' ); if (value[1]) printf( "%s:", get_str( buffer, rva + value[0], value[1] )); printf( "%s", get_str( buffer, rva + value[2], value[3] )); } printf( "\n"); } break; case 4: printf( " Version: %u\n", ptr[0] ); printf( " Size: %08x\n", ptr[1] ); printf( " Flags: %08x\n", ptr[2] ); printf( " Count: %08x\n", ptr[3] ); count = ptr[3]; if (!(entry = PRD( rva + 4 * sizeof(*ptr), count * 6 * sizeof(*entry) ))) break; for (i = 0; i < count; i++, entry += 6) { printf( " %08x %s ->", entry[0], get_str( buffer, rva + entry[1], entry[2] )); if (!(value = PRD( rva + entry[5], sizeof(*value) ))) break; value++; /* flags */ val_count = *value++; for (j = 0; j < val_count; j++, value += 5) { putchar( ' ' ); if (value[1]) printf( "%s:", get_str( buffer, rva + value[1], value[2] )); printf( "%s", get_str( buffer, rva + value[3], value[4] )); } printf( "\n"); } break; case 6: printf( " Version: %u\n", ptr[0] ); printf( " Size: %08x\n", ptr[1] ); printf( " Flags: %08x\n", ptr[2] ); printf( " Count: %08x\n", ptr[3] ); printf( " EntryOffset: %08x\n", ptr[4] ); printf( " HashOffset: %08x\n", ptr[5] ); printf( " HashFactor: %08x\n", ptr[6] ); count = ptr[3]; if (!(entry = PRD( rva + ptr[4], count * 6 * sizeof(*entry) ))) break; for (i = 0; i < count; i++, entry += 6) { printf( " %08x %s ->", entry[0], get_str( buffer, rva + entry[1], entry[2] )); if (!(value = PRD( rva + entry[4], entry[5] * 5 * sizeof(*value) ))) break; for (j = 0; j < entry[5]; j++, value += 5) { putchar( ' ' ); if (value[1]) printf( "%s:", get_str( buffer, rva + value[1], value[2] )); printf( "%s", get_str( buffer, rva + value[3], value[4] )); } printf( "\n" ); } printf( " Hash table:\n" ); if (!(hash = PRD( rva + ptr[5], count * 2 * sizeof(*hash) ))) break; for (i = 0; i < count; i++, hash += 2) { entry = PRD( rva + ptr[4] + hash[1] * 6 * sizeof(*entry), 6 * sizeof(*entry) ); printf( " %08x -> %s\n", hash[0], get_str( buffer, rva + entry[1], entry[3] )); } break; default: printf( "*** Unknown version %u\n", ptr[0] ); break; } break; } } static void dump_dir_exported_functions(void) { unsigned int size = 0; const IMAGE_EXPORT_DIRECTORY*exportDir = get_dir_and_size(IMAGE_FILE_EXPORT_DIRECTORY, &size); UINT i, *funcs; const UINT *pFunc; const UINT *pName; const WORD *pOrdl; if (!exportDir) return; printf("Exports table:\n"); printf("\n"); printf(" Name: %s\n", (const char*)RVA(exportDir->Name, sizeof(DWORD))); printf(" Characteristics: %08x\n", (UINT)exportDir->Characteristics); printf(" TimeDateStamp: %08X %s\n", (UINT)exportDir->TimeDateStamp, get_time_str(exportDir->TimeDateStamp)); printf(" Version: %u.%02u\n", exportDir->MajorVersion, exportDir->MinorVersion); printf(" Ordinal base: %u\n", (UINT)exportDir->Base); printf(" # of functions: %u\n", (UINT)exportDir->NumberOfFunctions); printf(" # of Names: %u\n", (UINT)exportDir->NumberOfNames); printf("Addresses of functions: %08X\n", (UINT)exportDir->AddressOfFunctions); printf("Addresses of name ordinals: %08X\n", (UINT)exportDir->AddressOfNameOrdinals); printf("Addresses of names: %08X\n", (UINT)exportDir->AddressOfNames); printf("\n"); printf(" Entry Pt Ordn Name\n"); pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD)); if (!pFunc) {printf("Can't grab functions' address table\n"); return;} pName = RVA(exportDir->AddressOfNames, exportDir->NumberOfNames * sizeof(DWORD)); pOrdl = RVA(exportDir->AddressOfNameOrdinals, exportDir->NumberOfNames * sizeof(WORD)); funcs = calloc( exportDir->NumberOfFunctions, sizeof(*funcs) ); if (!funcs) fatal("no memory"); for (i = 0; i < exportDir->NumberOfNames; i++) funcs[pOrdl[i]] = pName[i]; for (i = 0; i < exportDir->NumberOfFunctions; i++) { if (!pFunc[i]) continue; printf(" %08X %5u ", pFunc[i], (UINT)exportDir->Base + i); if (funcs[i]) printf("%s", get_symbol_str((const char*)RVA(funcs[i], sizeof(DWORD)))); else printf(""); /* check for forwarded function */ if ((const char *)RVA(pFunc[i],1) >= (const char *)exportDir && (const char *)RVA(pFunc[i],1) < (const char *)exportDir + size) printf(" (-> %s)", (const char *)RVA(pFunc[i],1)); printf("\n"); } free(funcs); printf("\n"); } struct runtime_function_x86_64 { UINT BeginAddress; UINT EndAddress; UINT UnwindData; }; struct runtime_function_armnt { UINT BeginAddress; union { UINT UnwindData; struct { UINT Flag : 2; UINT FunctionLength : 11; UINT Ret : 2; UINT H : 1; UINT Reg : 3; UINT R : 1; UINT L : 1; UINT C : 1; UINT StackAdjust : 10; }; }; }; struct runtime_function_arm64 { UINT BeginAddress; union { UINT UnwindData; struct { UINT Flag : 2; UINT FunctionLength : 11; UINT RegF : 3; UINT RegI : 4; UINT H : 1; UINT CR : 2; UINT FrameSize : 9; }; }; }; union handler_data { struct runtime_function_x86_64 chain; UINT handler; }; struct opcode { BYTE offset; BYTE code : 4; BYTE info : 4; }; struct unwind_info_x86_64 { BYTE version : 3; BYTE flags : 5; BYTE prolog; BYTE count; BYTE frame_reg : 4; BYTE frame_offset : 4; struct opcode opcodes[1]; /* count entries */ /* followed by union handler_data */ }; struct unwind_info_armnt { UINT function_length : 18; UINT version : 2; UINT x : 1; UINT e : 1; UINT f : 1; UINT count : 5; UINT words : 4; }; struct unwind_info_ext_armnt { WORD excount; BYTE exwords; BYTE reserved; }; struct unwind_info_epilogue_armnt { UINT offset : 18; UINT res : 2; UINT cond : 4; UINT index : 8; }; #define UWOP_PUSH_NONVOL 0 #define UWOP_ALLOC_LARGE 1 #define UWOP_ALLOC_SMALL 2 #define UWOP_SET_FPREG 3 #define UWOP_SAVE_NONVOL 4 #define UWOP_SAVE_NONVOL_FAR 5 #define UWOP_SAVE_XMM128 8 #define UWOP_SAVE_XMM128_FAR 9 #define UWOP_PUSH_MACHFRAME 10 #define UNW_FLAG_EHANDLER 1 #define UNW_FLAG_UHANDLER 2 #define UNW_FLAG_CHAININFO 4 static void dump_x86_64_unwind_info( const struct runtime_function_x86_64 *function ) { static const char * const reg_names[16] = { "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" }; const union handler_data *handler_data; const struct unwind_info_x86_64 *info; unsigned int i, count; printf( "\nFunction %08x-%08x:\n", function->BeginAddress, function->EndAddress ); if (function->UnwindData & 1) { const struct runtime_function_x86_64 *next = RVA( function->UnwindData & ~1, sizeof(*next) ); printf( " -> function %08x-%08x\n", next->BeginAddress, next->EndAddress ); return; } info = RVA( function->UnwindData, sizeof(*info) ); printf( " unwind info at %08x\n", function->UnwindData ); if (info->version != 1) { printf( " *** unknown version %u\n", info->version ); return; } printf( " flags %x", info->flags ); if (info->flags & UNW_FLAG_EHANDLER) printf( " EHANDLER" ); if (info->flags & UNW_FLAG_UHANDLER) printf( " UHANDLER" ); if (info->flags & UNW_FLAG_CHAININFO) printf( " CHAININFO" ); printf( "\n prolog 0x%x bytes\n", info->prolog ); if (info->frame_reg) printf( " frame register %s offset 0x%x(%%rsp)\n", reg_names[info->frame_reg], info->frame_offset * 16 ); for (i = 0; i < info->count; i++) { printf( " 0x%02x: ", info->opcodes[i].offset ); switch (info->opcodes[i].code) { case UWOP_PUSH_NONVOL: printf( "push %%%s\n", reg_names[info->opcodes[i].info] ); break; case UWOP_ALLOC_LARGE: if (info->opcodes[i].info) { count = *(const UINT *)&info->opcodes[i+1]; i += 2; } else { count = *(const USHORT *)&info->opcodes[i+1] * 8; i++; } printf( "sub $0x%x,%%rsp\n", count ); break; case UWOP_ALLOC_SMALL: count = (info->opcodes[i].info + 1) * 8; printf( "sub $0x%x,%%rsp\n", count ); break; case UWOP_SET_FPREG: printf( "lea 0x%x(%%rsp),%s\n", info->frame_offset * 16, reg_names[info->frame_reg] ); break; case UWOP_SAVE_NONVOL: count = *(const USHORT *)&info->opcodes[i+1] * 8; printf( "mov %%%s,0x%x(%%rsp)\n", reg_names[info->opcodes[i].info], count ); i++; break; case UWOP_SAVE_NONVOL_FAR: count = *(const UINT *)&info->opcodes[i+1]; printf( "mov %%%s,0x%x(%%rsp)\n", reg_names[info->opcodes[i].info], count ); i += 2; break; case UWOP_SAVE_XMM128: count = *(const USHORT *)&info->opcodes[i+1] * 16; printf( "movaps %%xmm%u,0x%x(%%rsp)\n", info->opcodes[i].info, count ); i++; break; case UWOP_SAVE_XMM128_FAR: count = *(const UINT *)&info->opcodes[i+1]; printf( "movaps %%xmm%u,0x%x(%%rsp)\n", info->opcodes[i].info, count ); i += 2; break; case UWOP_PUSH_MACHFRAME: printf( "PUSH_MACHFRAME %u\n", info->opcodes[i].info ); break; default: printf( "*** unknown code %u\n", info->opcodes[i].code ); break; } } handler_data = (const union handler_data *)&info->opcodes[(info->count + 1) & ~1]; if (info->flags & UNW_FLAG_CHAININFO) { printf( " -> function %08x-%08x\n", handler_data->chain.BeginAddress, handler_data->chain.EndAddress ); return; } if (info->flags & (UNW_FLAG_EHANDLER | UNW_FLAG_UHANDLER)) printf( " handler %08x data at %08x\n", handler_data->handler, (UINT)(function->UnwindData + (const char *)(&handler_data->handler + 1) - (const char *)info )); } static const BYTE armnt_code_lengths[256] = { /* 00 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 20 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */ 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* a0 */ 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* c0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* e0 */ 1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,3,4,3,4,1,1,1,1,1 }; static void dump_armnt_unwind_info( const struct runtime_function_armnt *fnc ) { const struct unwind_info_armnt *info; const struct unwind_info_ext_armnt *infoex; const struct unwind_info_epilogue_armnt *infoepi; unsigned int rva; WORD i, count = 0, words = 0; if (fnc->Flag) { char intregs[32] = {0}, intregspop[32] = {0}, vfpregs[32] = {0}; WORD pf = 0, ef = 0, fpoffset = 0, stack = fnc->StackAdjust; printf( "\nFunction %08x-%08x:\n", fnc->BeginAddress & ~1, (fnc->BeginAddress & ~1) + fnc->FunctionLength * 2 ); printf( " Flag %x\n", fnc->Flag ); printf( " FunctionLength %x\n", fnc->FunctionLength ); printf( " Ret %x\n", fnc->Ret ); printf( " H %x\n", fnc->H ); printf( " Reg %x\n", fnc->Reg ); printf( " R %x\n", fnc->R ); printf( " L %x\n", fnc->L ); printf( " C %x\n", fnc->C ); printf( " StackAdjust %x\n", fnc->StackAdjust ); if (fnc->StackAdjust >= 0x03f4) { pf = fnc->StackAdjust & 0x04; ef = fnc->StackAdjust & 0x08; stack = (fnc->StackAdjust & 3) + 1; } if (!fnc->R || pf) { int first = 4, last = fnc->Reg + 4; if (pf) { first = (~fnc->StackAdjust) & 3; if (fnc->R) last = 3; } if (first == last) sprintf(intregs, "r%u", first); else sprintf(intregs, "r%u-r%u", first, last); fpoffset = last + 1 - first; } if (!fnc->R || ef) { int first = 4, last = fnc->Reg + 4; if (ef) { first = (~fnc->StackAdjust) & 3; if (fnc->R) last = 3; } if (first == last) sprintf(intregspop, "r%u", first); else sprintf(intregspop, "r%u-r%u", first, last); } if (fnc->C) { if (intregs[0]) strcat(intregs, ", "); if (intregspop[0]) strcat(intregspop, ", "); strcat(intregs, "r11"); strcat(intregspop, "r11"); } if (fnc->L) { if (intregs[0]) strcat(intregs, ", "); strcat(intregs, "lr"); if (intregspop[0] && (fnc->Ret != 0 || !fnc->H)) strcat(intregspop, ", "); if (fnc->Ret != 0) strcat(intregspop, "lr"); else if (!fnc->H) strcat(intregspop, "pc"); } if (fnc->R) { if (fnc->Reg) sprintf(vfpregs, "d8-d%u", fnc->Reg + 8); else strcpy(vfpregs, "d8"); } if (fnc->Flag == 1) { if (fnc->H) printf( " Unwind Code\tpush {r0-r3}\n" ); if (intregs[0]) printf( " Unwind Code\tpush {%s}\n", intregs ); if (fnc->C && fpoffset == 0) printf( " Unwind Code\tmov r11, sp\n" ); else if (fnc->C) printf( " Unwind Code\tadd r11, sp, #%d\n", fpoffset * 4 ); if (fnc->R && fnc->Reg != 0x07) printf( " Unwind Code\tvpush {%s}\n", vfpregs ); if (stack && !pf) printf( " Unwind Code\tsub sp, sp, #%d\n", stack * 4 ); } if (fnc->Ret == 3) return; printf( "Epilogue:\n" ); if (stack && !ef) printf( " Unwind Code\tadd sp, sp, #%d\n", stack * 4 ); if (fnc->R && fnc->Reg != 0x07) printf( " Unwind Code\tvpop {%s}\n", vfpregs ); if (intregspop[0]) printf( " Unwind Code\tpop {%s}\n", intregspop ); if (fnc->H && !(fnc->L && fnc->Ret == 0)) printf( " Unwind Code\tadd sp, sp, #16\n" ); else if (fnc->H && (fnc->L && fnc->Ret == 0)) printf( " Unwind Code\tldr pc, [sp], #20\n" ); if (fnc->Ret == 1) printf( " Unwind Code\tbx \n" ); else if (fnc->Ret == 2) printf( " Unwind Code\tb
\n" ); return; } info = RVA( fnc->UnwindData, sizeof(*info) ); rva = fnc->UnwindData + sizeof(*info); count = info->count; words = info->words; printf( "\nFunction %08x-%08x:\n", fnc->BeginAddress & ~1, (fnc->BeginAddress & ~1) + info->function_length * 2 ); printf( " unwind info at %08x\n", fnc->UnwindData ); printf( " Flag %x\n", fnc->Flag ); printf( " FunctionLength %x\n", info->function_length ); printf( " Version %x\n", info->version ); printf( " X %x\n", info->x ); printf( " E %x\n", info->e ); printf( " F %x\n", info->f ); printf( " Count %x\n", count ); printf( " Words %x\n", words ); if (!info->count && !info->words) { infoex = RVA( rva, sizeof(*infoex) ); rva = rva + sizeof(*infoex); count = infoex->excount; words = infoex->exwords; printf( " ExtCount %x\n", count ); printf( " ExtWords %x\n", words ); } if (!info->e) { infoepi = RVA( rva, count * sizeof(*infoepi) ); rva = rva + count * sizeof(*infoepi); for (i = 0; i < count; i++) { printf( " Epilogue Scope %x\n", i ); printf( " Offset %x\n", infoepi[i].offset ); printf( " Reserved %x\n", infoepi[i].res ); printf( " Condition %x\n", infoepi[i].cond ); printf( " Index %x\n", infoepi[i].index ); } } else infoepi = NULL; if (words) { const unsigned int *codes; BYTE b, *bytes; BOOL inepilogue = FALSE; codes = RVA( rva, words * sizeof(*codes) ); rva = rva + words * sizeof(*codes); bytes = (BYTE*)codes; for (b = 0; b < words * sizeof(*codes); b++) { BYTE code = bytes[b]; BYTE len = armnt_code_lengths[code]; if (info->e && b == count) { printf( "Epilogue:\n" ); inepilogue = TRUE; } else if (!info->e && infoepi) { for (i = 0; i < count; i++) if (b == infoepi[i].index) { printf( "Epilogue from Scope %x at %08x:\n", i, (fnc->BeginAddress & ~1) + infoepi[i].offset * 2 ); inepilogue = TRUE; } } printf( " Unwind Code"); for (i = 0; i < len; i++) printf( " %02x", bytes[b+i] ); printf( "\t" ); if (code == 0x00) printf( "\n" ); else if (code <= 0x7f) printf( "%s sp, sp, #%u\n", inepilogue ? "add" : "sub", code * 4 ); else if (code <= 0xbf) { WORD excode, f; BOOL first = TRUE; BYTE excodes = bytes[++b]; excode = (code << 8) | excodes; printf( "%s {", inepilogue ? "pop" : "push" ); for (f = 0; f <= 12; f++) { if ((excode >> f) & 1) { printf( "%sr%u", first ? "" : ", ", f ); first = FALSE; } } if (excode & 0x2000) printf( "%s%s", first ? "" : ", ", inepilogue ? "pc" : "lr" ); printf( "}\n" ); } else if (code <= 0xcf) if (inepilogue) printf( "mov sp, r%u\n", code & 0x0f ); else printf( "mov r%u, sp\n", code & 0x0f ); else if (code <= 0xd7) if (inepilogue) printf( "pop {r4-r%u%s}\n", (code & 0x03) + 4, (code & 0x04) ? ", pc" : "" ); else printf( "push {r4-r%u%s}\n", (code & 0x03) + 4, (code & 0x04) ? ", lr" : "" ); else if (code <= 0xdf) if (inepilogue) printf( "pop {r4-r%u%s}\n", (code & 0x03) + 8, (code & 0x04) ? ", pc" : "" ); else printf( "push {r4-r%u%s}\n", (code & 0x03) + 8, (code & 0x04) ? ", lr" : "" ); else if (code <= 0xe7) printf( "%s {d8-d%u}\n", inepilogue ? "vpop" : "vpush", (code & 0x07) + 8 ); else if (code <= 0xeb) { WORD excode; BYTE excodes = bytes[++b]; excode = (code << 8) | excodes; printf( "%s sp, sp, #%u\n", inepilogue ? "addw" : "subw", (excode & 0x03ff) *4 ); } else if (code <= 0xed) { WORD excode, f; BOOL first = TRUE; BYTE excodes = bytes[++b]; excode = (code << 8) | excodes; printf( "%s {", inepilogue ? "pop" : "push" ); for (f = 0; f < 8; f++) { if ((excode >> f) & 1) { printf( "%sr%u", first ? "" : ", ", f ); first = FALSE; } } if (excode & 0x0100) printf( "%s%s", first ? "" : ", ", inepilogue ? "pc" : "lr" ); printf( "}\n" ); } else if (code == 0xee) printf( "unknown 16\n" ); else if (code == 0xef) { WORD excode; BYTE excodes = bytes[++b]; if (excodes <= 0x0f) { excode = (code << 8) | excodes; if (inepilogue) printf( "ldr lr, [sp], #%u\n", (excode & 0x0f) * 4 ); else printf( "str lr, [sp, #-%u]!\n", (excode & 0x0f) * 4 ); } else printf( "unknown 32\n" ); } else if (code <= 0xf4) printf( "unknown\n" ); else if (code <= 0xf6) { WORD excode, offset = (code == 0xf6) ? 16 : 0; BYTE excodes = bytes[++b]; excode = (code << 8) | excodes; printf( "%s {d%u-d%u}\n", inepilogue ? "vpop" : "vpush", ((excode & 0x00f0) >> 4) + offset, (excode & 0x0f) + offset ); } else if (code <= 0xf7) { unsigned int excode; BYTE excodes[2]; excodes[0] = bytes[++b]; excodes[1] = bytes[++b]; excode = (code << 16) | (excodes[0] << 8) | excodes[1]; printf( "%s sp, sp, #%u\n", inepilogue ? "add" : "sub", (excode & 0xffff) *4 ); } else if (code <= 0xf8) { unsigned int excode; BYTE excodes[3]; excodes[0] = bytes[++b]; excodes[1] = bytes[++b]; excodes[2] = bytes[++b]; excode = (code << 24) | (excodes[0] << 16) | (excodes[1] << 8) | excodes[2]; printf( "%s sp, sp, #%u\n", inepilogue ? "add" : "sub", (excode & 0xffffff) * 4 ); } else if (code <= 0xf9) { unsigned int excode; BYTE excodes[2]; excodes[0] = bytes[++b]; excodes[1] = bytes[++b]; excode = (code << 16) | (excodes[0] << 8) | excodes[1]; printf( "%s sp, sp, #%u\n", inepilogue ? "add" : "sub", (excode & 0xffff) *4 ); } else if (code <= 0xfa) { unsigned int excode; BYTE excodes[3]; excodes[0] = bytes[++b]; excodes[1] = bytes[++b]; excodes[2] = bytes[++b]; excode = (code << 24) | (excodes[0] << 16) | (excodes[1] << 8) | excodes[2]; printf( "%s sp, sp, #%u\n", inepilogue ? "add" : "sub", (excode & 0xffffff) * 4 ); } else if (code <= 0xfb) printf( "nop\n" ); else if (code <= 0xfc) printf( "nop.w\n" ); else if (code <= 0xfd) { printf( "(end) nop\n" ); inepilogue = TRUE; } else if (code <= 0xfe) { printf( "(end) nop.w\n" ); inepilogue = TRUE; } else { printf( "end\n" ); inepilogue = TRUE; } } } if (info->x) { const unsigned int *handler; handler = RVA( rva, sizeof(*handler) ); rva = rva + sizeof(*handler); printf( " handler %08x data at %08x\n", *handler, rva); } } struct unwind_info_arm64 { UINT function_length : 18; UINT version : 2; UINT x : 1; UINT e : 1; UINT epilog : 5; UINT codes : 5; }; struct unwind_info_ext_arm64 { WORD epilog; BYTE codes; BYTE reserved; }; struct unwind_info_epilog_arm64 { UINT offset : 18; UINT res : 4; UINT index : 10; }; static const BYTE code_lengths[256] = { /* 00 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 20 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* a0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* c0 */ 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* e0 */ 4,1,2,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 }; static void dump_arm64_codes( const BYTE *ptr, unsigned int count ) { unsigned int i, j; for (i = 0; i < count; i += code_lengths[ptr[i]]) { BYTE len = code_lengths[ptr[i]]; unsigned int val = ptr[i]; if (len == 2) val = ptr[i] * 0x100 + ptr[i+1]; else if (len == 4) val = ptr[i] * 0x1000000 + ptr[i+1] * 0x10000 + ptr[i+2] * 0x100 + ptr[i+3]; printf( " %04x: ", i ); for (j = 0; j < 4; j++) if (j < len) printf( "%02x ", ptr[i+j] ); else printf( " " ); if (ptr[i] < 0x20) /* alloc_s */ { printf( "sub sp,sp,#%#x\n", 16 * (val & 0x1f) ); } else if (ptr[i] < 0x40) /* save_r19r20_x */ { printf( "stp r19,r20,[sp,-#%#x]!\n", 8 * (val & 0x1f) ); } else if (ptr[i] < 0x80) /* save_fplr */ { printf( "stp r29,lr,[sp,#%#x]\n", 8 * (val & 0x3f) ); } else if (ptr[i] < 0xc0) /* save_fplr_x */ { printf( "stp r29,lr,[sp,-#%#x]!\n", 8 * (val & 0x3f) + 8 ); } else if (ptr[i] < 0xc8) /* alloc_m */ { printf( "sub sp,sp,#%#x\n", 16 * (val & 0x7ff) ); } else if (ptr[i] < 0xcc) /* save_regp */ { int reg = 19 + ((val >> 6) & 0xf); printf( "stp r%u,r%u,[sp,#%#x]\n", reg, reg + 1, 8 * (val & 0x3f) ); } else if (ptr[i] < 0xd0) /* save_regp_x */ { int reg = 19 + ((val >> 6) & 0xf); printf( "stp r%u,r%u,[sp,-#%#x]!\n", reg, reg + 1, 8 * (val & 0x3f) + 8 ); } else if (ptr[i] < 0xd4) /* save_reg */ { int reg = 19 + ((val >> 6) & 0xf); printf( "str r%u,[sp,#%#x]\n", reg, 8 * (val & 0x3f) ); } else if (ptr[i] < 0xd6) /* save_reg_x */ { int reg = 19 + ((val >> 5) & 0xf); printf( "str r%u,[sp,-#%#x]!\n", reg, 8 * (val & 0x1f) + 8 ); } else if (ptr[i] < 0xd8) /* save_lrpair */ { int reg = 19 + 2 * ((val >> 6) & 0x7); printf( "stp r%u,lr,[sp,#%#x]\n", reg, 8 * (val & 0x3f) ); } else if (ptr[i] < 0xda) /* save_fregp */ { int reg = 8 + ((val >> 6) & 0x7); printf( "stp d%u,d%u,[sp,#%#x]\n", reg, reg + 1, 8 * (val & 0x3f) ); } else if (ptr[i] < 0xdc) /* save_fregp_x */ { int reg = 8 + ((val >> 6) & 0x7); printf( "stp d%u,d%u,[sp,-#%#x]!\n", reg, reg + 1, 8 * (val & 0x3f) + 8 ); } else if (ptr[i] < 0xde) /* save_freg */ { int reg = 8 + ((val >> 6) & 0x7); printf( "str d%u,[sp,#%#x]\n", reg, 8 * (val & 0x3f) ); } else if (ptr[i] == 0xde) /* save_freg_x */ { int reg = 8 + ((val >> 5) & 0x7); printf( "str d%u,[sp,-#%#x]!\n", reg, 8 * (val & 0x3f) + 8 ); } else if (ptr[i] == 0xe0) /* alloc_l */ { printf( "sub sp,sp,#%#x\n", 16 * (val & 0xffffff) ); } else if (ptr[i] == 0xe1) /* set_fp */ { printf( "mov x29,sp\n" ); } else if (ptr[i] == 0xe2) /* add_fp */ { printf( "add x29,sp,#%#x\n", 8 * (val & 0xff) ); } else if (ptr[i] == 0xe3) /* nop */ { printf( "nop\n" ); } else if (ptr[i] == 0xe4) /* end */ { printf( "end\n" ); } else if (ptr[i] == 0xe5) /* end_c */ { printf( "end_c\n" ); } else if (ptr[i] == 0xe6) /* save_next */ { printf( "save_next\n" ); } else if (ptr[i] == 0xe7) /* arithmetic */ { switch ((val >> 4) & 0x0f) { case 0: printf( "add lr,lr,x28\n" ); break; case 1: printf( "add lr,lr,sp\n" ); break; case 2: printf( "sub lr,lr,x28\n" ); break; case 3: printf( "sub lr,lr,sp\n" ); break; case 4: printf( "eor lr,lr,x28\n" ); break; case 5: printf( "eor lr,lr,sp\n" ); break; case 6: printf( "rol lr,lr,neg x28\n" ); break; case 8: printf( "ror lr,lr,x28\n" ); break; case 9: printf( "ror lr,lr,sp\n" ); break; default:printf( "unknown op\n" ); break; } } else if (ptr[i] == 0xe8) /* MSFT_OP_TRAP_FRAME */ { printf( "MSFT_OP_TRAP_FRAME\n" ); } else if (ptr[i] == 0xe9) /* MSFT_OP_MACHINE_FRAME */ { printf( "MSFT_OP_MACHINE_FRAME\n" ); } else if (ptr[i] == 0xea) /* MSFT_OP_CONTEXT */ { printf( "MSFT_OP_CONTEXT\n" ); } else if (ptr[i] == 0xec) /* MSFT_OP_CLEAR_UNWOUND_TO_CALL */ { printf( "MSFT_OP_CLEAR_UNWOUND_TO_CALL\n" ); } else printf( "??\n"); } } static void dump_arm64_packed_info( const struct runtime_function_arm64 *func ) { int i, pos = 0, intsz = func->RegI * 8, fpsz = func->RegF * 8, savesz, locsz; if (func->CR == 1) intsz += 8; if (func->RegF) fpsz += 8; savesz = ((intsz + fpsz + 8 * 8 * func->H) + 0xf) & ~0xf; locsz = func->FrameSize * 16 - savesz; switch (func->CR) { case 3: printf( " %04x: mov x29,sp\n", pos++ ); if (locsz <= 512) { printf( " %04x: stp x29,lr,[sp,-#%#x]!\n", pos++, locsz ); break; } printf( " %04x: stp x29,lr,[sp,0]\n", pos++ ); /* fall through */ case 0: case 1: if (locsz <= 4080) { printf( " %04x: sub sp,sp,#%#x\n", pos++, locsz ); } else { printf( " %04x: sub sp,sp,#%#x\n", pos++, locsz - 4080 ); printf( " %04x: sub sp,sp,#%#x\n", pos++, 4080 ); } break; } if (func->H) { printf( " %04x: stp x6,x7,[sp,#%#x]\n", pos++, intsz + fpsz + 48 ); printf( " %04x: stp x4,x5,[sp,#%#x]\n", pos++, intsz + fpsz + 32 ); printf( " %04x: stp x2,x3,[sp,#%#x]\n", pos++, intsz + fpsz + 16 ); printf( " %04x: stp x0,x1,[sp,#%#x]\n", pos++, intsz + fpsz ); } if (func->RegF) { if (func->RegF % 2 == 0) printf( " %04x: str d%u,[sp,#%#x]\n", pos++, 8 + func->RegF, intsz + fpsz - 8 ); for (i = (func->RegF - 1)/ 2; i >= 0; i--) { if (!i && !intsz) printf( " %04x: stp d8,d9,[sp,-#%#x]!\n", pos++, savesz ); else printf( " %04x: stp d%u,d%u,[sp,#%#x]\n", pos++, 8 + 2 * i, 9 + 2 * i, intsz + 16 * i ); } } switch (func->RegI) { case 0: if (func->CR == 1) printf( " %04x: str lr,[sp,-#%#x]!\n", pos++, savesz ); break; case 1: if (func->CR == 1) printf( " %04x: stp x19,lr,[sp,-#%#x]!\n", pos++, savesz ); else printf( " %04x: str x19,[sp,-#%#x]!\n", pos++, savesz ); break; default: if (func->RegI % 2) { if (func->CR == 1) printf( " %04x: stp x%u,lr,[sp,#%#x]\n", pos++, 18 + func->RegI, 8 * func->RegI - 8 ); else printf( " %04x: str x%u,[sp,#%#x]\n", pos++, 18 + func->RegI, 8 * func->RegI - 8 ); } else if (func->CR == 1) printf( " %04x: str lr,[sp,#%#x]\n", pos++, intsz - 8 ); for (i = func->RegI / 2 - 1; i >= 0; i--) if (i) printf( " %04x: stp x%u,x%u,[sp,#%#x]\n", pos++, 19 + 2 * i, 20 + 2 * i, 16 * i ); else printf( " %04x: stp x19,x20,[sp,-#%#x]!\n", pos++, savesz ); break; } printf( " %04x: end\n", pos ); } static void dump_arm64_unwind_info( const struct runtime_function_arm64 *func ) { const struct unwind_info_arm64 *info; const struct unwind_info_ext_arm64 *infoex; const struct unwind_info_epilog_arm64 *infoepi; const BYTE *ptr; unsigned int i, rva, codes, epilogs; if (func->Flag) { printf( "\nFunction %08x-%08x:\n", func->BeginAddress, func->BeginAddress + func->FunctionLength * 4 ); printf( " len=%#x flag=%x regF=%u regI=%u H=%u CR=%u frame=%x\n", func->FunctionLength, func->Flag, func->RegF, func->RegI, func->H, func->CR, func->FrameSize ); dump_arm64_packed_info( func ); return; } rva = func->UnwindData; info = RVA( rva, sizeof(*info) ); rva += sizeof(*info); epilogs = info->epilog; codes = info->codes; if (!codes) { infoex = RVA( rva, sizeof(*infoex) ); rva = rva + sizeof(*infoex); codes = infoex->codes; epilogs = infoex->epilog; } printf( "\nFunction %08x-%08x:\n", func->BeginAddress, func->BeginAddress + info->function_length * 4 ); printf( " len=%#x ver=%u X=%u E=%u epilogs=%u codes=%u\n", info->function_length, info->version, info->x, info->e, epilogs, codes * 4 ); if (info->e) { printf( " epilog 0: code=%04x\n", info->epilog ); } else { infoepi = RVA( rva, sizeof(*infoepi) * epilogs ); rva += sizeof(*infoepi) * epilogs; for (i = 0; i < epilogs; i++) printf( " epilog %u: pc=%08x code=%04x\n", i, func->BeginAddress + infoepi[i].offset * 4, infoepi[i].index ); } ptr = RVA( rva, codes * 4); rva += codes * 4; if (info->x) { const UINT *handler = RVA( rva, sizeof(*handler) ); rva += sizeof(*handler); printf( " handler: %08x data %08x\n", *handler, rva ); } dump_arm64_codes( ptr, codes * 4 ); } static void dump_dir_exceptions(void) { unsigned int i, size = 0; const void *funcs = get_dir_and_size(IMAGE_FILE_EXCEPTION_DIRECTORY, &size); const IMAGE_FILE_HEADER *file_header = &PE_nt_headers->FileHeader; if (!funcs) return; switch (file_header->Machine) { case IMAGE_FILE_MACHINE_AMD64: size /= sizeof(struct runtime_function_x86_64); printf( "Exception info (%u functions):\n", size ); for (i = 0; i < size; i++) dump_x86_64_unwind_info( (struct runtime_function_x86_64*)funcs + i ); break; case IMAGE_FILE_MACHINE_ARMNT: size /= sizeof(struct runtime_function_armnt); printf( "Exception info (%u functions):\n", size ); for (i = 0; i < size; i++) dump_armnt_unwind_info( (struct runtime_function_armnt*)funcs + i ); break; case IMAGE_FILE_MACHINE_ARM64: size /= sizeof(struct runtime_function_arm64); printf( "Exception info (%u functions):\n", size ); for (i = 0; i < size; i++) dump_arm64_unwind_info( (struct runtime_function_arm64*)funcs + i ); break; default: printf( "Exception information not supported for %s binaries\n", get_machine_str(file_header->Machine)); break; } } static void dump_image_thunk_data64(const IMAGE_THUNK_DATA64 *il, UINT thunk_rva) { /* FIXME: This does not properly handle large images */ const IMAGE_IMPORT_BY_NAME* iibn; for (; il->u1.Ordinal; il++, thunk_rva += sizeof(LONGLONG)) { if (IMAGE_SNAP_BY_ORDINAL64(il->u1.Ordinal)) printf(" %08x %4u \n", thunk_rva, (UINT)IMAGE_ORDINAL64(il->u1.Ordinal)); else { iibn = RVA((DWORD)il->u1.AddressOfData, sizeof(DWORD)); if (!iibn) printf("Can't grab import by name info, skipping to next ordinal\n"); else printf(" %08x %4u %s\n", thunk_rva, iibn->Hint, iibn->Name); } } } static void dump_image_thunk_data32(const IMAGE_THUNK_DATA32 *il, int offset, UINT thunk_rva) { const IMAGE_IMPORT_BY_NAME* iibn; for (; il->u1.Ordinal; il++, thunk_rva += sizeof(UINT)) { if (IMAGE_SNAP_BY_ORDINAL32(il->u1.Ordinal)) printf(" %08x %4u \n", thunk_rva, (UINT)IMAGE_ORDINAL32(il->u1.Ordinal)); else { iibn = RVA((DWORD)il->u1.AddressOfData - offset, sizeof(DWORD)); if (!iibn) printf("Can't grab import by name info, skipping to next ordinal\n"); else printf(" %08x %4u %s\n", thunk_rva, iibn->Hint, iibn->Name); } } } static void dump_dir_imported_functions(void) { unsigned directorySize; const IMAGE_IMPORT_DESCRIPTOR* importDesc = get_dir_and_size(IMAGE_FILE_IMPORT_DIRECTORY, &directorySize); if (!importDesc) return; printf("Import Table size: %08x\n", directorySize);/* FIXME */ for (;;) { const IMAGE_THUNK_DATA32* il; if (!importDesc->Name || !importDesc->FirstThunk) break; printf(" offset %08lx %s\n", Offset(importDesc), (const char*)RVA(importDesc->Name, sizeof(DWORD))); printf(" Hint/Name Table: %08X\n", (UINT)importDesc->OriginalFirstThunk); printf(" TimeDateStamp: %08X (%s)\n", (UINT)importDesc->TimeDateStamp, get_time_str(importDesc->TimeDateStamp)); printf(" ForwarderChain: %08X\n", (UINT)importDesc->ForwarderChain); printf(" First thunk RVA: %08X\n", (UINT)importDesc->FirstThunk); printf(" Thunk Ordn Name\n"); il = (importDesc->OriginalFirstThunk != 0) ? RVA((DWORD)importDesc->OriginalFirstThunk, sizeof(DWORD)) : RVA((DWORD)importDesc->FirstThunk, sizeof(DWORD)); if (!il) printf("Can't grab thunk data, going to next imported DLL\n"); else { if(PE_nt_headers->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC) dump_image_thunk_data64((const IMAGE_THUNK_DATA64*)il, importDesc->FirstThunk); else dump_image_thunk_data32(il, 0, importDesc->FirstThunk); printf("\n"); } importDesc++; } printf("\n"); } static void dump_dir_loadconfig(void) { const IMAGE_LOAD_CONFIG_DIRECTORY32 *loadcfg32 = get_dir(IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG); const IMAGE_LOAD_CONFIG_DIRECTORY64 *loadcfg64 = (void*)loadcfg32; if (!loadcfg32) return; printf( "Loadconfig\n" ); print_dword( "Size", loadcfg32->Size ); print_dword( "TimeDateStamp", loadcfg32->TimeDateStamp ); print_word( "MajorVersion", loadcfg32->MajorVersion ); print_word( "MinorVersion", loadcfg32->MinorVersion ); print_dword( "GlobalFlagsClear", loadcfg32->GlobalFlagsClear ); print_dword( "GlobalFlagsSet", loadcfg32->GlobalFlagsSet ); print_dword( "CriticalSectionDefaultTimeout", loadcfg32->CriticalSectionDefaultTimeout ); if(PE_nt_headers->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC) { print_longlong( "DeCommitFreeBlockThreshold", loadcfg64->DeCommitFreeBlockThreshold ); print_longlong( "DeCommitTotalFreeThreshold", loadcfg64->DeCommitTotalFreeThreshold ); print_longlong( "MaximumAllocationSize", loadcfg64->MaximumAllocationSize ); print_longlong( "VirtualMemoryThreshold", loadcfg64->VirtualMemoryThreshold ); print_dword( "ProcessHeapFlags", loadcfg64->ProcessHeapFlags ); print_longlong( "ProcessAffinityMask", loadcfg64->ProcessAffinityMask ); print_word( "CSDVersion", loadcfg64->CSDVersion ); print_word( "Reserved", loadcfg64->Reserved1 ); print_longlong( "SecurityCookie", loadcfg64->SecurityCookie ); print_longlong( "SEHandlerTable", loadcfg64->SEHandlerTable ); print_longlong( "SEHandlerCount", loadcfg64->SEHandlerCount ); } else { print_dword( "DeCommitFreeBlockThreshold", loadcfg32->DeCommitFreeBlockThreshold ); print_dword( "DeCommitTotalFreeThreshold", loadcfg32->DeCommitTotalFreeThreshold ); print_dword( "MaximumAllocationSize", loadcfg32->MaximumAllocationSize ); print_dword( "VirtualMemoryThreshold", loadcfg32->VirtualMemoryThreshold ); print_dword( "ProcessHeapFlags", loadcfg32->ProcessHeapFlags ); print_dword( "ProcessAffinityMask", loadcfg32->ProcessAffinityMask ); print_word( "CSDVersion", loadcfg32->CSDVersion ); print_word( "Reserved", loadcfg32->Reserved1 ); print_dword( "SecurityCookie", loadcfg32->SecurityCookie ); print_dword( "SEHandlerTable", loadcfg32->SEHandlerTable ); print_dword( "SEHandlerCount", loadcfg32->SEHandlerCount ); } } static void dump_dir_delay_imported_functions(void) { unsigned directorySize; const IMAGE_DELAYLOAD_DESCRIPTOR *importDesc = get_dir_and_size(IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT, &directorySize); if (!importDesc) return; printf("Delay Import Table size: %08x\n", directorySize); /* FIXME */ for (;;) { const IMAGE_THUNK_DATA32* il; int offset = (importDesc->Attributes.AllAttributes & 1) ? 0 : PE_nt_headers->OptionalHeader.ImageBase; if (!importDesc->DllNameRVA || !importDesc->ImportAddressTableRVA || !importDesc->ImportNameTableRVA) break; printf(" grAttrs %08x offset %08lx %s\n", (UINT)importDesc->Attributes.AllAttributes, Offset(importDesc), (const char *)RVA(importDesc->DllNameRVA - offset, sizeof(DWORD))); printf(" Hint/Name Table: %08x\n", (UINT)importDesc->ImportNameTableRVA); printf(" Address Table: %08x\n", (UINT)importDesc->ImportAddressTableRVA); printf(" TimeDateStamp: %08X (%s)\n", (UINT)importDesc->TimeDateStamp, get_time_str(importDesc->TimeDateStamp)); printf(" Thunk Ordn Name\n"); il = RVA(importDesc->ImportNameTableRVA - offset, sizeof(DWORD)); if (!il) printf("Can't grab thunk data, going to next imported DLL\n"); else { if (PE_nt_headers->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC) dump_image_thunk_data64((const IMAGE_THUNK_DATA64 *)il, importDesc->ImportAddressTableRVA); else dump_image_thunk_data32(il, offset, importDesc->ImportAddressTableRVA); printf("\n"); } importDesc++; } printf("\n"); } static void dump_dir_debug_dir(const IMAGE_DEBUG_DIRECTORY* idd, int idx) { const char* str; printf("Directory %02u\n", idx + 1); printf(" Characteristics: %08X\n", (UINT)idd->Characteristics); printf(" TimeDateStamp: %08X %s\n", (UINT)idd->TimeDateStamp, get_time_str(idd->TimeDateStamp)); printf(" Version %u.%02u\n", idd->MajorVersion, idd->MinorVersion); switch (idd->Type) { default: case IMAGE_DEBUG_TYPE_UNKNOWN: str = "UNKNOWN"; break; case IMAGE_DEBUG_TYPE_COFF: str = "COFF"; break; case IMAGE_DEBUG_TYPE_CODEVIEW: str = "CODEVIEW"; break; case IMAGE_DEBUG_TYPE_FPO: str = "FPO"; break; case IMAGE_DEBUG_TYPE_MISC: str = "MISC"; break; case IMAGE_DEBUG_TYPE_EXCEPTION: str = "EXCEPTION"; break; case IMAGE_DEBUG_TYPE_FIXUP: str = "FIXUP"; break; case IMAGE_DEBUG_TYPE_OMAP_TO_SRC: str = "OMAP_TO_SRC"; break; case IMAGE_DEBUG_TYPE_OMAP_FROM_SRC:str = "OMAP_FROM_SRC"; break; case IMAGE_DEBUG_TYPE_BORLAND: str = "BORLAND"; break; case IMAGE_DEBUG_TYPE_RESERVED10: str = "RESERVED10"; break; case IMAGE_DEBUG_TYPE_CLSID: str = "CLSID"; break; case IMAGE_DEBUG_TYPE_VC_FEATURE: str = "VC_FEATURE"; break; case IMAGE_DEBUG_TYPE_POGO: str = "POGO"; break; case IMAGE_DEBUG_TYPE_ILTCG: str = "ILTCG"; break; case IMAGE_DEBUG_TYPE_MPX: str = "MPX"; break; case IMAGE_DEBUG_TYPE_REPRO: str = "REPRO"; break; } printf(" Type: %u (%s)\n", (UINT)idd->Type, str); printf(" SizeOfData: %u\n", (UINT)idd->SizeOfData); printf(" AddressOfRawData: %08X\n", (UINT)idd->AddressOfRawData); printf(" PointerToRawData: %08X\n", (UINT)idd->PointerToRawData); switch (idd->Type) { case IMAGE_DEBUG_TYPE_UNKNOWN: break; case IMAGE_DEBUG_TYPE_COFF: dump_coff(idd->PointerToRawData, idd->SizeOfData, IMAGE_FIRST_SECTION(PE_nt_headers)); break; case IMAGE_DEBUG_TYPE_CODEVIEW: dump_codeview(idd->PointerToRawData, idd->SizeOfData); break; case IMAGE_DEBUG_TYPE_FPO: dump_frame_pointer_omission(idd->PointerToRawData, idd->SizeOfData); break; case IMAGE_DEBUG_TYPE_MISC: { const IMAGE_DEBUG_MISC* misc = PRD(idd->PointerToRawData, idd->SizeOfData); if (!misc) {printf("Can't get misc debug information\n"); break;} printf(" DataType: %u (%s)\n", (UINT)misc->DataType, (misc->DataType == IMAGE_DEBUG_MISC_EXENAME) ? "Exe name" : "Unknown"); printf(" Length: %u\n", (UINT)misc->Length); printf(" Unicode: %s\n", misc->Unicode ? "Yes" : "No"); printf(" Data: %s\n", misc->Data); } break; default: break; } printf("\n"); } static void dump_dir_debug(void) { unsigned nb_dbg, i; const IMAGE_DEBUG_DIRECTORY*debugDir = get_dir_and_size(IMAGE_FILE_DEBUG_DIRECTORY, &nb_dbg); nb_dbg /= sizeof(*debugDir); if (!debugDir || !nb_dbg) return; printf("Debug Table (%u directories)\n", nb_dbg); for (i = 0; i < nb_dbg; i++) { dump_dir_debug_dir(debugDir, i); debugDir++; } printf("\n"); } static inline void print_clrflags(const char *title, UINT value) { printf(" %-34s 0x%X\n", title, value); #define X(f,s) if (value & f) printf(" %s\n", s) X(COMIMAGE_FLAGS_ILONLY, "ILONLY"); X(COMIMAGE_FLAGS_32BITREQUIRED, "32BITREQUIRED"); X(COMIMAGE_FLAGS_IL_LIBRARY, "IL_LIBRARY"); X(COMIMAGE_FLAGS_STRONGNAMESIGNED, "STRONGNAMESIGNED"); X(COMIMAGE_FLAGS_TRACKDEBUGDATA, "TRACKDEBUGDATA"); #undef X } static inline void print_clrdirectory(const char *title, const IMAGE_DATA_DIRECTORY *dir) { printf(" %-23s rva: 0x%-8x size: 0x%-8x\n", title, (UINT)dir->VirtualAddress, (UINT)dir->Size); } static void dump_dir_clr_header(void) { unsigned int size = 0; const IMAGE_COR20_HEADER *dir = get_dir_and_size(IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR, &size); if (!dir) return; printf( "CLR Header\n" ); print_dword( "Header Size", dir->cb ); print_ver( "Required runtime version", dir->MajorRuntimeVersion, dir->MinorRuntimeVersion ); print_clrflags( "Flags", dir->Flags ); print_dword( "EntryPointToken", dir->EntryPointToken ); printf("\n"); printf( "CLR Data Directory\n" ); print_clrdirectory( "MetaData", &dir->MetaData ); print_clrdirectory( "Resources", &dir->Resources ); print_clrdirectory( "StrongNameSignature", &dir->StrongNameSignature ); print_clrdirectory( "CodeManagerTable", &dir->CodeManagerTable ); print_clrdirectory( "VTableFixups", &dir->VTableFixups ); print_clrdirectory( "ExportAddressTableJumps", &dir->ExportAddressTableJumps ); print_clrdirectory( "ManagedNativeHeader", &dir->ManagedNativeHeader ); printf("\n"); } static void dump_dir_reloc(void) { unsigned int i, size = 0; const USHORT *relocs; const IMAGE_BASE_RELOCATION *rel = get_dir_and_size(IMAGE_DIRECTORY_ENTRY_BASERELOC, &size); const IMAGE_BASE_RELOCATION *end = (const IMAGE_BASE_RELOCATION *)((const char *)rel + size); static const char * const names[] = { "BASED_ABSOLUTE", "BASED_HIGH", "BASED_LOW", "BASED_HIGHLOW", "BASED_HIGHADJ", "BASED_MIPS_JMPADDR", "BASED_SECTION", "BASED_REL", "unknown 8", "BASED_IA64_IMM64", "BASED_DIR64", "BASED_HIGH3ADJ", "unknown 12", "unknown 13", "unknown 14", "unknown 15" }; if (!rel) return; printf( "Relocations\n" ); while (rel < end - 1 && rel->SizeOfBlock) { printf( " Page %x\n", (UINT)rel->VirtualAddress ); relocs = (const USHORT *)(rel + 1); i = (rel->SizeOfBlock - sizeof(*rel)) / sizeof(USHORT); while (i--) { USHORT offset = *relocs & 0xfff; int type = *relocs >> 12; printf( " off %04x type %s\n", offset, names[type] ); relocs++; } rel = (const IMAGE_BASE_RELOCATION *)relocs; } printf("\n"); } static void dump_dir_tls(void) { IMAGE_TLS_DIRECTORY64 dir; const UINT *callbacks; const IMAGE_TLS_DIRECTORY32 *pdir = get_dir(IMAGE_FILE_THREAD_LOCAL_STORAGE); if (!pdir) return; if(PE_nt_headers->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC) memcpy(&dir, pdir, sizeof(dir)); else { dir.StartAddressOfRawData = pdir->StartAddressOfRawData; dir.EndAddressOfRawData = pdir->EndAddressOfRawData; dir.AddressOfIndex = pdir->AddressOfIndex; dir.AddressOfCallBacks = pdir->AddressOfCallBacks; dir.SizeOfZeroFill = pdir->SizeOfZeroFill; dir.Characteristics = pdir->Characteristics; } /* FIXME: This does not properly handle large images */ printf( "Thread Local Storage\n" ); printf( " Raw data %08x-%08x (data size %x zero fill size %x)\n", (UINT)dir.StartAddressOfRawData, (UINT)dir.EndAddressOfRawData, (UINT)(dir.EndAddressOfRawData - dir.StartAddressOfRawData), (UINT)dir.SizeOfZeroFill ); printf( " Index address %08x\n", (UINT)dir.AddressOfIndex ); printf( " Characteristics %08x\n", (UINT)dir.Characteristics ); printf( " Callbacks %08x -> {", (UINT)dir.AddressOfCallBacks ); if (dir.AddressOfCallBacks) { UINT addr = (UINT)dir.AddressOfCallBacks - PE_nt_headers->OptionalHeader.ImageBase; while ((callbacks = RVA(addr, sizeof(UINT))) && *callbacks) { printf( " %08x", *callbacks ); addr += sizeof(UINT); } } printf(" }\n\n"); } enum FileSig get_kind_dbg(void) { const WORD* pw; pw = PRD(0, sizeof(WORD)); if (!pw) {printf("Can't get main signature, aborting\n"); return 0;} if (*pw == 0x4944 /* "DI" */) return SIG_DBG; return SIG_UNKNOWN; } void dbg_dump(void) { const IMAGE_SEPARATE_DEBUG_HEADER* separateDebugHead; unsigned nb_dbg; unsigned i; const IMAGE_DEBUG_DIRECTORY* debugDir; separateDebugHead = PRD(0, sizeof(*separateDebugHead)); if (!separateDebugHead) {printf("Can't grab the separate header, aborting\n"); return;} printf ("Signature: %.2s (0x%4X)\n", (const char*)&separateDebugHead->Signature, separateDebugHead->Signature); printf ("Flags: 0x%04X\n", separateDebugHead->Flags); printf ("Machine: 0x%04X (%s)\n", separateDebugHead->Machine, get_machine_str(separateDebugHead->Machine)); printf ("Characteristics: 0x%04X\n", separateDebugHead->Characteristics); printf ("TimeDateStamp: 0x%08X (%s)\n", (UINT)separateDebugHead->TimeDateStamp, get_time_str(separateDebugHead->TimeDateStamp)); printf ("CheckSum: 0x%08X\n", (UINT)separateDebugHead->CheckSum); printf ("ImageBase: 0x%08X\n", (UINT)separateDebugHead->ImageBase); printf ("SizeOfImage: 0x%08X\n", (UINT)separateDebugHead->SizeOfImage); printf ("NumberOfSections: 0x%08X\n", (UINT)separateDebugHead->NumberOfSections); printf ("ExportedNamesSize: 0x%08X\n", (UINT)separateDebugHead->ExportedNamesSize); printf ("DebugDirectorySize: 0x%08X\n", (UINT)separateDebugHead->DebugDirectorySize); if (!PRD(sizeof(IMAGE_SEPARATE_DEBUG_HEADER), separateDebugHead->NumberOfSections * sizeof(IMAGE_SECTION_HEADER))) {printf("Can't get the sections, aborting\n"); return;} dump_sections(separateDebugHead, separateDebugHead + 1, separateDebugHead->NumberOfSections); nb_dbg = separateDebugHead->DebugDirectorySize / sizeof(IMAGE_DEBUG_DIRECTORY); debugDir = PRD(sizeof(IMAGE_SEPARATE_DEBUG_HEADER) + separateDebugHead->NumberOfSections * sizeof(IMAGE_SECTION_HEADER) + separateDebugHead->ExportedNamesSize, nb_dbg * sizeof(IMAGE_DEBUG_DIRECTORY)); if (!debugDir) {printf("Couldn't get the debug directory info, aborting\n");return;} printf("Debug Table (%u directories)\n", nb_dbg); for (i = 0; i < nb_dbg; i++) { dump_dir_debug_dir(debugDir, i); debugDir++; } } static const char *get_resource_type( unsigned int id ) { static const char * const types[] = { NULL, "CURSOR", "BITMAP", "ICON", "MENU", "DIALOG", "STRING", "FONTDIR", "FONT", "ACCELERATOR", "RCDATA", "MESSAGETABLE", "GROUP_CURSOR", NULL, "GROUP_ICON", NULL, "VERSION", "DLGINCLUDE", NULL, "PLUGPLAY", "VXD", "ANICURSOR", "ANIICON", "HTML", "RT_MANIFEST" }; if ((size_t)id < ARRAY_SIZE(types)) return types[id]; return NULL; } /* dump an ASCII string with proper escaping */ static int dump_strA( const unsigned char *str, size_t len ) { static const char escapes[32] = ".......abtnvfr.............e...."; char buffer[256]; char *pos = buffer; int count = 0; for (; len; str++, len--) { if (pos > buffer + sizeof(buffer) - 8) { fwrite( buffer, pos - buffer, 1, stdout ); count += pos - buffer; pos = buffer; } if (*str > 127) /* hex escape */ { pos += sprintf( pos, "\\x%02x", *str ); continue; } if (*str < 32) /* octal or C escape */ { if (!*str && len == 1) continue; /* do not output terminating NULL */ if (escapes[*str] != '.') pos += sprintf( pos, "\\%c", escapes[*str] ); else if (len > 1 && str[1] >= '0' && str[1] <= '7') pos += sprintf( pos, "\\%03o", *str ); else pos += sprintf( pos, "\\%o", *str ); continue; } if (*str == '\\') *pos++ = '\\'; *pos++ = *str; } fwrite( buffer, pos - buffer, 1, stdout ); count += pos - buffer; return count; } /* dump a Unicode string with proper escaping */ static int dump_strW( const WCHAR *str, size_t len ) { static const char escapes[32] = ".......abtnvfr.............e...."; char buffer[256]; char *pos = buffer; int count = 0; for (; len; str++, len--) { if (pos > buffer + sizeof(buffer) - 8) { fwrite( buffer, pos - buffer, 1, stdout ); count += pos - buffer; pos = buffer; } if (*str > 127) /* hex escape */ { if (len > 1 && str[1] < 128 && isxdigit((char)str[1])) pos += sprintf( pos, "\\x%04x", *str ); else pos += sprintf( pos, "\\x%x", *str ); continue; } if (*str < 32) /* octal or C escape */ { if (!*str && len == 1) continue; /* do not output terminating NULL */ if (escapes[*str] != '.') pos += sprintf( pos, "\\%c", escapes[*str] ); else if (len > 1 && str[1] >= '0' && str[1] <= '7') pos += sprintf( pos, "\\%03o", *str ); else pos += sprintf( pos, "\\%o", *str ); continue; } if (*str == '\\') *pos++ = '\\'; *pos++ = *str; } fwrite( buffer, pos - buffer, 1, stdout ); count += pos - buffer; return count; } /* dump data for a STRING resource */ static void dump_string_data( const WCHAR *ptr, unsigned int size, unsigned int id, const char *prefix ) { int i; for (i = 0; i < 16 && size; i++) { unsigned len = *ptr++; if (len >= size) { len = size; size = 0; } else size -= len + 1; if (len) { printf( "%s%04x \"", prefix, (id - 1) * 16 + i ); dump_strW( ptr, len ); printf( "\"\n" ); ptr += len; } } } /* dump data for a MESSAGETABLE resource */ static void dump_msgtable_data( const void *ptr, unsigned int size, unsigned int id, const char *prefix ) { const MESSAGE_RESOURCE_DATA *data = ptr; const MESSAGE_RESOURCE_BLOCK *block = data->Blocks; unsigned i, j; for (i = 0; i < data->NumberOfBlocks; i++, block++) { const MESSAGE_RESOURCE_ENTRY *entry; entry = (const MESSAGE_RESOURCE_ENTRY *)((const char *)data + block->OffsetToEntries); for (j = block->LowId; j <= block->HighId; j++) { if (entry->Flags & MESSAGE_RESOURCE_UNICODE) { const WCHAR *str = (const WCHAR *)entry->Text; printf( "%s%08x L\"", prefix, j ); dump_strW( str, strlenW(str) ); printf( "\"\n" ); } else { const char *str = (const char *) entry->Text; printf( "%s%08x \"", prefix, j ); dump_strA( entry->Text, strlen(str) ); printf( "\"\n" ); } entry = (const MESSAGE_RESOURCE_ENTRY *)((const char *)entry + entry->Length); } } } static void dump_dir_resource(void) { const IMAGE_RESOURCE_DIRECTORY *root = get_dir(IMAGE_FILE_RESOURCE_DIRECTORY); const IMAGE_RESOURCE_DIRECTORY *namedir; const IMAGE_RESOURCE_DIRECTORY *langdir; const IMAGE_RESOURCE_DIRECTORY_ENTRY *e1, *e2, *e3; const IMAGE_RESOURCE_DIR_STRING_U *string; const IMAGE_RESOURCE_DATA_ENTRY *data; int i, j, k; if (!root) return; printf( "Resources:" ); for (i = 0; i< root->NumberOfNamedEntries + root->NumberOfIdEntries; i++) { e1 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(root + 1) + i; namedir = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + e1->OffsetToDirectory); for (j = 0; j < namedir->NumberOfNamedEntries + namedir->NumberOfIdEntries; j++) { e2 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(namedir + 1) + j; langdir = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + e2->OffsetToDirectory); for (k = 0; k < langdir->NumberOfNamedEntries + langdir->NumberOfIdEntries; k++) { e3 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(langdir + 1) + k; printf( "\n " ); if (e1->NameIsString) { string = (const IMAGE_RESOURCE_DIR_STRING_U*)((const char *)root + e1->NameOffset); dump_unicode_str( string->NameString, string->Length ); } else { const char *type = get_resource_type( e1->Id ); if (type) printf( "%s", type ); else printf( "%04x", e1->Id ); } printf( " Name=" ); if (e2->NameIsString) { string = (const IMAGE_RESOURCE_DIR_STRING_U*) ((const char *)root + e2->NameOffset); dump_unicode_str( string->NameString, string->Length ); } else printf( "%04x", e2->Id ); printf( " Language=%04x:\n", e3->Id ); data = (const IMAGE_RESOURCE_DATA_ENTRY *)((const char *)root + e3->OffsetToData); if (e1->NameIsString) { dump_data( RVA( data->OffsetToData, data->Size ), data->Size, " " ); } else switch(e1->Id) { case 6: dump_string_data( RVA( data->OffsetToData, data->Size ), data->Size, e2->Id, " " ); break; case 11: dump_msgtable_data( RVA( data->OffsetToData, data->Size ), data->Size, e2->Id, " " ); break; default: dump_data( RVA( data->OffsetToData, data->Size ), data->Size, " " ); break; } } } } printf( "\n\n" ); } static void dump_debug(void) { const char* stabs = NULL; unsigned szstabs = 0; const char* stabstr = NULL; unsigned szstr = 0; unsigned i; const IMAGE_SECTION_HEADER* sectHead; sectHead = IMAGE_FIRST_SECTION(PE_nt_headers); for (i = 0; i < PE_nt_headers->FileHeader.NumberOfSections; i++, sectHead++) { if (!strcmp((const char *)sectHead->Name, ".stab")) { stabs = RVA(sectHead->VirtualAddress, sectHead->Misc.VirtualSize); szstabs = sectHead->Misc.VirtualSize; } if (!strncmp((const char *)sectHead->Name, ".stabstr", 8)) { stabstr = RVA(sectHead->VirtualAddress, sectHead->Misc.VirtualSize); szstr = sectHead->Misc.VirtualSize; } } if (stabs && stabstr) dump_stabs(stabs, szstabs, stabstr, szstr); } static void dump_symbol_table(void) { const IMAGE_SYMBOL* sym; int numsym; numsym = PE_nt_headers->FileHeader.NumberOfSymbols; if (!PE_nt_headers->FileHeader.PointerToSymbolTable || !numsym) return; sym = PRD(PE_nt_headers->FileHeader.PointerToSymbolTable, sizeof(*sym) * numsym); if (!sym) return; dump_coff_symbol_table(sym, numsym, IMAGE_FIRST_SECTION(PE_nt_headers)); } enum FileSig get_kind_exec(void) { const WORD* pw; const DWORD* pdw; const IMAGE_DOS_HEADER* dh; pw = PRD(0, sizeof(WORD)); if (!pw) {printf("Can't get main signature, aborting\n"); return 0;} if (*pw != IMAGE_DOS_SIGNATURE) return SIG_UNKNOWN; if ((dh = PRD(0, sizeof(IMAGE_DOS_HEADER)))) { /* the signature is the first DWORD */ pdw = PRD(dh->e_lfanew, sizeof(DWORD)); if (pdw) { if (*pdw == IMAGE_NT_SIGNATURE) return SIG_PE; if (*(const WORD *)pdw == IMAGE_OS2_SIGNATURE) return SIG_NE; if (*(const WORD *)pdw == IMAGE_VXD_SIGNATURE) return SIG_LE; } return SIG_DOS; } return SIG_UNKNOWN; } void pe_dump(void) { int all = (globals.dumpsect != NULL) && strcmp(globals.dumpsect, "ALL") == 0; PE_nt_headers = get_nt_header(); print_fake_dll(); if (globals.do_dumpheader) { dump_pe_header(); /* FIXME: should check ptr */ dump_sections(PRD(0, 1), IMAGE_FIRST_SECTION(PE_nt_headers), PE_nt_headers->FileHeader.NumberOfSections); } else if (!globals.dumpsect) { /* show at least something here */ dump_pe_header(); } if (globals.dumpsect) { if (all || !strcmp(globals.dumpsect, "import")) { dump_dir_imported_functions(); dump_dir_delay_imported_functions(); } if (all || !strcmp(globals.dumpsect, "export")) dump_dir_exported_functions(); if (all || !strcmp(globals.dumpsect, "debug")) dump_dir_debug(); if (all || !strcmp(globals.dumpsect, "resource")) dump_dir_resource(); if (all || !strcmp(globals.dumpsect, "tls")) dump_dir_tls(); if (all || !strcmp(globals.dumpsect, "loadcfg")) dump_dir_loadconfig(); if (all || !strcmp(globals.dumpsect, "clr")) dump_dir_clr_header(); if (all || !strcmp(globals.dumpsect, "reloc")) dump_dir_reloc(); if (all || !strcmp(globals.dumpsect, "except")) dump_dir_exceptions(); if (all || !strcmp(globals.dumpsect, "apiset")) dump_section_apiset(); } if (globals.do_symbol_table) dump_symbol_table(); if (globals.do_debug) dump_debug(); } typedef struct _dll_symbol { size_t ordinal; char *symbol; } dll_symbol; static dll_symbol *dll_symbols = NULL; static dll_symbol *dll_current_symbol = NULL; /* Compare symbols by ordinal for qsort */ static int symbol_cmp(const void *left, const void *right) { return ((const dll_symbol *)left)->ordinal > ((const dll_symbol *)right)->ordinal; } /******************************************************************* * dll_close * * Free resources used by DLL */ /* FIXME: Not used yet static void dll_close (void) { dll_symbol* ds; if (!dll_symbols) { fatal("No symbols"); } for (ds = dll_symbols; ds->symbol; ds++) free(ds->symbol); free (dll_symbols); dll_symbols = NULL; } */ static void do_grab_sym( void ) { const IMAGE_EXPORT_DIRECTORY*exportDir; UINT i, j, *map; const UINT *pName; const UINT *pFunc; const WORD *pOrdl; const char *ptr; PE_nt_headers = get_nt_header(); if (!(exportDir = get_dir(IMAGE_FILE_EXPORT_DIRECTORY))) return; pName = RVA(exportDir->AddressOfNames, exportDir->NumberOfNames * sizeof(DWORD)); if (!pName) {printf("Can't grab functions' name table\n"); return;} pOrdl = RVA(exportDir->AddressOfNameOrdinals, exportDir->NumberOfNames * sizeof(WORD)); if (!pOrdl) {printf("Can't grab functions' ordinal table\n"); return;} pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD)); if (!pFunc) {printf("Can't grab functions' address table\n"); return;} /* dll_close(); */ dll_symbols = xmalloc((exportDir->NumberOfFunctions + 1) * sizeof(dll_symbol)); /* bit map of used funcs */ map = calloc(((exportDir->NumberOfFunctions + 31) & ~31) / 32, sizeof(DWORD)); if (!map) fatal("no memory"); for (j = 0; j < exportDir->NumberOfNames; j++, pOrdl++) { map[*pOrdl / 32] |= 1 << (*pOrdl % 32); ptr = RVA(*pName++, sizeof(DWORD)); if (!ptr) ptr = "cant_get_function"; dll_symbols[j].symbol = xstrdup(ptr); dll_symbols[j].ordinal = exportDir->Base + *pOrdl; assert(dll_symbols[j].symbol); } for (i = 0; i < exportDir->NumberOfFunctions; i++) { if (pFunc[i] && !(map[i / 32] & (1 << (i % 32)))) { char ordinal_text[256]; /* Ordinal only entry */ sprintf (ordinal_text, "%s_%u", globals.forward_dll ? globals.forward_dll : OUTPUT_UC_DLL_NAME, (UINT)exportDir->Base + i); str_toupper(ordinal_text); dll_symbols[j].symbol = xstrdup(ordinal_text); assert(dll_symbols[j].symbol); dll_symbols[j].ordinal = exportDir->Base + i; j++; assert(j <= exportDir->NumberOfFunctions); } } free(map); if (NORMAL) printf("%u named symbols in DLL, %u total, %d unique (ordinal base = %d)\n", (UINT)exportDir->NumberOfNames, (UINT)exportDir->NumberOfFunctions, j, (UINT)exportDir->Base); qsort( dll_symbols, j, sizeof(dll_symbol), symbol_cmp ); dll_symbols[j].symbol = NULL; dll_current_symbol = dll_symbols; } /******************************************************************* * dll_open * * Open a DLL and read in exported symbols */ BOOL dll_open (const char *dll_name) { return dump_analysis(dll_name, do_grab_sym, SIG_PE); } /******************************************************************* * dll_next_symbol * * Get next exported symbol from dll */ BOOL dll_next_symbol (parsed_symbol * sym) { if (!dll_current_symbol || !dll_current_symbol->symbol) return FALSE; assert (dll_symbols); sym->symbol = xstrdup (dll_current_symbol->symbol); sym->ordinal = dll_current_symbol->ordinal; dll_current_symbol++; return TRUE; }