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Sweden-Number/tools/winedump/pe.c

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/*
* 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 <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <time.h>
#include <fcntl.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#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, DWORD 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], directory[i].VirtualAddress,
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",
fileHeader->TimeDateStamp, get_time_str(fileHeader->TimeDateStamp),
Offset(&(fileHeader->TimeDateStamp)));
printf(" PointerToSymbolTable: %08X\n", fileHeader->PointerToSymbolTable);
printf(" NumberOfSymbols: %08X\n", fileHeader->NumberOfSymbols);
printf(" SizeOfOptionalHeader: %04X\n", fileHeader->SizeOfOptionalHeader);
printf(" Characteristics: %04X\n", 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",
sectHead->Misc.VirtualSize, sectHead->VirtualAddress);
printf(" raw data offs: 0x%08x raw data size: 0x%08x\n",
sectHead->PointerToRawData, sectHead->SizeOfRawData);
printf(" relocation offs: 0x%08x relocations: 0x%08x\n",
sectHead->PointerToRelocations, sectHead->NumberOfRelocations);
printf(" line # offs: %-8u line #'s: %-8u\n",
sectHead->PointerToLinenumbers, sectHead->NumberOfLinenumbers);
printf(" characteristics: 0x%08x\n", 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 void dump_dir_exported_functions(void)
{
unsigned int size = 0;
const IMAGE_EXPORT_DIRECTORY*exportDir = get_dir_and_size(IMAGE_FILE_EXPORT_DIRECTORY, &size);
unsigned int i;
const DWORD* pFunc;
const DWORD* pName;
const WORD* pOrdl;
DWORD* funcs;
if (!exportDir) return;
printf("Exports table:\n");
printf("\n");
printf(" Name: %s\n", (const char*)RVA(exportDir->Name, sizeof(DWORD)));
printf(" Characteristics: %08x\n", exportDir->Characteristics);
printf(" TimeDateStamp: %08X %s\n",
exportDir->TimeDateStamp, get_time_str(exportDir->TimeDateStamp));
printf(" Version: %u.%02u\n", exportDir->MajorVersion, exportDir->MinorVersion);
printf(" Ordinal base: %u\n", exportDir->Base);
printf(" # of functions: %u\n", exportDir->NumberOfFunctions);
printf(" # of Names: %u\n", exportDir->NumberOfNames);
printf("Addresses of functions: %08X\n", exportDir->AddressOfFunctions);
printf("Addresses of name ordinals: %08X\n", exportDir->AddressOfNameOrdinals);
printf("Addresses of names: %08X\n", 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], exportDir->Base + i);
if (funcs[i])
printf("%s", get_symbol_str((const char*)RVA(funcs[i], sizeof(DWORD))));
else
printf("<by ordinal>");
/* 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
{
DWORD BeginAddress;
DWORD EndAddress;
DWORD UnwindData;
};
struct runtime_function_armnt
{
DWORD BeginAddress;
union {
DWORD UnwindData;
struct {
DWORD Flag : 2;
DWORD FunctionLength : 11;
DWORD Ret : 2;
DWORD H : 1;
DWORD Reg : 3;
DWORD R : 1;
DWORD L : 1;
DWORD C : 1;
DWORD StackAdjust : 10;
} DUMMYSTRUCTNAME;
} DUMMYUNIONNAME;
};
struct runtime_function_arm64
{
DWORD BeginAddress;
union
{
DWORD UnwindData;
struct
{
DWORD Flag : 2;
DWORD FunctionLength : 11;
DWORD RegF : 3;
DWORD RegI : 4;
DWORD H : 1;
DWORD CR : 2;
DWORD FrameSize : 9;
} DUMMYSTRUCTNAME;
} DUMMYUNIONNAME;
};
union handler_data
{
struct runtime_function_x86_64 chain;
DWORD 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
{
DWORD function_length : 18;
DWORD version : 2;
DWORD x : 1;
DWORD e : 1;
DWORD f : 1;
DWORD count : 5;
DWORD words : 4;
};
struct unwind_info_ext_armnt
{
WORD excount;
BYTE exwords;
BYTE reserved;
};
struct unwind_info_epilogue_armnt
{
DWORD offset : 18;
DWORD res : 2;
DWORD cond : 4;
DWORD 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 DWORD *)&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 DWORD *)&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 DWORD *)&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,
(ULONG)(function->UnwindData + (const char *)(&handler_data->handler + 1) - (const char *)info ));
}
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->u.s.Flag)
{
char intregs[32] = {0}, intregspop[32] = {0}, vfpregs[32] = {0};
WORD pf = 0, ef = 0, sc = 0;
printf( "\nFunction %08x-%08x:\n", fnc->BeginAddress & ~1,
(fnc->BeginAddress & ~1) + fnc->u.s.FunctionLength * 2 );
printf( " Flag %x\n", fnc->u.s.Flag );
printf( " FunctionLength %x\n", fnc->u.s.FunctionLength );
printf( " Ret %x\n", fnc->u.s.Ret );
printf( " H %x\n", fnc->u.s.H );
printf( " Reg %x\n", fnc->u.s.Reg );
printf( " R %x\n", fnc->u.s.R );
printf( " L %x\n", fnc->u.s.L );
printf( " C %x\n", fnc->u.s.C );
printf( " StackAdjust %x\n", fnc->u.s.StackAdjust );
if (fnc->u.s.StackAdjust >= 0x03f4)
{
pf = fnc->u.s.StackAdjust & 0x04;
ef = fnc->u.s.StackAdjust & 0x08;
}
if (!fnc->u.s.R && !pf)
{
if (fnc->u.s.Reg)
{
sprintf(intregs, "r4-r%u", fnc->u.s.Reg + 4);
sprintf(intregspop, "r4-r%u", fnc->u.s.Reg + 4);
}
else
{
strcpy(intregs, "r4");
strcpy(intregspop, "r4");
}
sc = fnc->u.s.Reg + 1;
if (fnc->u.s.C || fnc->u.s.L)
{
strcat(intregs, ", ");
if (fnc->u.s.C || (fnc->u.s.L && !fnc->u.s.H))
strcat(intregspop, ", ");
}
}
else if (fnc->u.s.R && pf)
{
if (((~fnc->u.s.StackAdjust) & 3) != 3)
{
sprintf(intregs, "r%u-r3", (~fnc->u.s.StackAdjust) & 3);
sprintf(intregspop, "r%u-r3", (~fnc->u.s.StackAdjust) & 3);
}
else
{
sprintf(intregs, "r3");
sprintf(intregspop, "r3");
}
sc = 4 - ((~fnc->u.s.StackAdjust) & 3);
if (fnc->u.s.C || fnc->u.s.L)
{
strcat(intregs, ", ");
if (fnc->u.s.C || (fnc->u.s.L && !fnc->u.s.H))
strcat(intregspop, ", ");
}
}
else if (!fnc->u.s.R && pf)
{
sprintf(intregs, "r%u-r%u", (~fnc->u.s.StackAdjust) & 3, fnc->u.s.Reg + 4);
sprintf(intregspop, "r%u-r%u", (~fnc->u.s.StackAdjust) & 3, fnc->u.s.Reg + 4);
sc = fnc->u.s.Reg + 5 - ((~fnc->u.s.StackAdjust) & 3);
if (fnc->u.s.C || fnc->u.s.L)
{
strcat(intregs, ", ");
if (fnc->u.s.C || (fnc->u.s.L && !fnc->u.s.H))
strcat(intregspop, ", ");
}
}
else if (fnc->u.s.R && !pf)
{
if (!fnc->u.s.C && !fnc->u.s.L)
{
strcpy(intregs, "none");
strcpy(intregspop, "none");
}
}
if (fnc->u.s.C && !fnc->u.s.L)
{
strcat(intregs, "r11");
strcat(intregspop, "r11");
}
else if (fnc->u.s.C && fnc->u.s.L)
{
strcat(intregs, "r11, lr");
if (fnc->u.s.H)
strcat(intregspop, "r11");
else
strcat(intregspop, "r11, pc");
}
else if (!fnc->u.s.C && fnc->u.s.L)
{
strcat(intregs, "lr");
if (!fnc->u.s.H)
strcat(intregspop, "pc");
}
if (fnc->u.s.R)
{
if (fnc->u.s.Reg)
sprintf(vfpregs, "d8-d%u", fnc->u.s.Reg + 8);
else
strcpy(vfpregs, "d8");
}
else
strcpy(vfpregs, "none");
if (fnc->u.s.H)
printf( " Unwind Code\tpush {r0-r3}\n" );
if (fnc->u.s.R || fnc->u.s.L || fnc->u.s.C || pf)
printf( " Unwind Code\tpush {%s}\n", intregs );
if (fnc->u.s.C && fnc->u.s.R && !fnc->u.s.L && !pf)
printf( " Unwind Code\tmov r11, sp\n" );
else if (fnc->u.s.C && (!fnc->u.s.R || fnc->u.s.L || pf))
{
if (fnc->u.s.StackAdjust >= 0x03f4 && !sc)
printf( " Unwind Code\tadd r11, sp, #<unknown>\n");
else if (fnc->u.s.StackAdjust >= 0x03f4)
printf( " Unwind Code\tadd r11, sp, #%d\n", sc * 4 );
else
printf( " Unwind Code\tadd r11, sp, #%d\n", fnc->u.s.StackAdjust * 4 );
}
if (fnc->u.s.R && fnc->u.s.Reg != 0x07)
printf( " Unwind Code\tvpush {%s}\n", vfpregs );
if (fnc->u.s.StackAdjust < 0x03f4 && !pf)
printf( " Unwind Code\tsub sp, sp, #%d\n", fnc->u.s.StackAdjust * 4 );
if (fnc->u.s.StackAdjust < 0x03f4 && !ef)
printf( " Unwind Code\tadd sp, sp, #%d\n", fnc->u.s.StackAdjust * 4 );
if (fnc->u.s.R && fnc->u.s.Reg != 0x07)
printf( " Unwind Code\tvpop {%s}\n", vfpregs );
if (fnc->u.s.C || !fnc->u.s.R || ef || (fnc->u.s.L && !fnc->u.s.H))
printf( " Unwind Code\tpop {%s}\n", intregspop );
if (fnc->u.s.H && !fnc->u.s.L)
printf( " Unwind Code\tadd sp, sp, #16\n" );
else if (fnc->u.s.H && fnc->u.s.L)
printf( " Unwind Code\tldr pc, [sp], #20\n" );
if (fnc->u.s.Ret == 1)
printf( " Unwind Code\tbx <reg>\n" );
else if (fnc->u.s.Ret == 2)
printf( " Unwind Code\tb <address>\n" );
return;
}
info = RVA( fnc->u.UnwindData, sizeof(*info) );
rva = fnc->u.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->u.UnwindData );
printf( " Flag %x\n", fnc->u.s.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];
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 %x\t", code );
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( "unknown 32\n" );
}
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 <= 0xfc)
printf( "nop\n" );
else if (code <= 0xfe)
{
printf( "(end) nop\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
{
DWORD function_length : 18;
DWORD version : 2;
DWORD x : 1;
DWORD e : 1;
DWORD epilog : 5;
DWORD codes : 5;
};
struct unwind_info_ext_arm64
{
WORD epilog;
BYTE codes;
BYTE reserved;
};
struct unwind_info_epilog_arm64
{
DWORD offset : 18;
DWORD res : 4;
DWORD 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->u.s.RegI * 8, fpsz = func->u.s.RegF * 8, savesz, locsz;
if (func->u.s.CR == 1) intsz += 8;
if (func->u.s.RegF) fpsz += 8;
savesz = ((intsz + fpsz + 8 * 8 * func->u.s.H) + 0xf) & ~0xf;
locsz = func->u.s.FrameSize * 16 - savesz;
switch (func->u.s.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->u.s.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->u.s.RegF)
{
if (func->u.s.RegF % 2 == 0)
printf( " %04x: str d%u,[sp,#%#x]\n", pos++, 8 + func->u.s.RegF, intsz + fpsz - 8 );
for (i = (func->u.s.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->u.s.RegI)
{
case 0:
if (func->u.s.CR == 1)
printf( " %04x: str lr,[sp,-#%#x]!\n", pos++, savesz );
break;
case 1:
if (func->u.s.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->u.s.RegI % 2)
{
if (func->u.s.CR == 1)
printf( " %04x: stp x%u,lr,[sp,#%#x]\n", pos++, 18 + func->u.s.RegI, 8 * func->u.s.RegI - 8 );
else
printf( " %04x: str x%u,[sp,#%#x]\n", pos++, 18 + func->u.s.RegI, 8 * func->u.s.RegI - 8 );
}
else if (func->u.s.CR == 1)
printf( " %04x: str lr,[sp,#%#x]\n", pos++, intsz - 8 );
for (i = func->u.s.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->u.s.Flag)
{
printf( "\nFunction %08x-%08x:\n", func->BeginAddress,
func->BeginAddress + func->u.s.FunctionLength * 4 );
printf( " len=%#x flag=%x regF=%u regI=%u H=%u CR=%u frame=%x\n",
func->u.s.FunctionLength, func->u.s.Flag, func->u.s.RegF, func->u.s.RegI,
func->u.s.H, func->u.s.CR, func->u.s.FrameSize );
dump_arm64_packed_info( func );
return;
}
rva = func->u.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 DWORD *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, DWORD 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 <by ordinal>\n", thunk_rva, (DWORD)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, DWORD thunk_rva)
{
const IMAGE_IMPORT_BY_NAME* iibn;
for (; il->u1.Ordinal; il++, thunk_rva += sizeof(DWORD))
{
if (IMAGE_SNAP_BY_ORDINAL32(il->u1.Ordinal))
printf(" %08x %4u <by ordinal>\n", thunk_rva, 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", (DWORD)importDesc->u.OriginalFirstThunk);
printf(" TimeDateStamp: %08X (%s)\n",
importDesc->TimeDateStamp, get_time_str(importDesc->TimeDateStamp));
printf(" ForwarderChain: %08X\n", importDesc->ForwarderChain);
printf(" First thunk RVA: %08X\n", (DWORD)importDesc->FirstThunk);
printf(" Thunk Ordn Name\n");
il = (importDesc->u.OriginalFirstThunk != 0) ?
RVA((DWORD)importDesc->u.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", importDesc->Attributes.AllAttributes, Offset(importDesc),
(const char *)RVA(importDesc->DllNameRVA - offset, sizeof(DWORD)));
printf(" Hint/Name Table: %08x\n", importDesc->ImportNameTableRVA);
printf(" Address Table: %08x\n", importDesc->ImportAddressTableRVA);
printf(" TimeDateStamp: %08X (%s)\n",
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", idd->Characteristics);
printf(" TimeDateStamp: %08X %s\n",
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", idd->Type, str);
printf(" SizeOfData: %u\n", idd->SizeOfData);
printf(" AddressOfRawData: %08X\n", idd->AddressOfRawData);
printf(" PointerToRawData: %08X\n", 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",
misc->DataType,
(misc->DataType == IMAGE_DEBUG_MISC_EXENAME) ? "Exe name" : "Unknown");
printf(" Length: %u\n", 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, DWORD 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, dir->VirtualAddress, 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->u.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", 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 DWORD *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",
(DWORD)dir.StartAddressOfRawData, (DWORD)dir.EndAddressOfRawData,
(DWORD)(dir.EndAddressOfRawData - dir.StartAddressOfRawData),
(DWORD)dir.SizeOfZeroFill );
printf( " Index address %08x\n", (DWORD)dir.AddressOfIndex );
printf( " Characteristics %08x\n", dir.Characteristics );
printf( " Callbacks %08x -> {", (DWORD)dir.AddressOfCallBacks );
if (dir.AddressOfCallBacks)
{
DWORD addr = (DWORD)dir.AddressOfCallBacks - PE_nt_headers->OptionalHeader.ImageBase;
while ((callbacks = RVA(addr, sizeof(DWORD))) && *callbacks)
{
printf( " %08x", *callbacks );
addr += sizeof(DWORD);
}
}
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",
separateDebugHead->TimeDateStamp, get_time_str(separateDebugHead->TimeDateStamp));
printf ("CheckSum: 0x%08X\n", separateDebugHead->CheckSum);
printf ("ImageBase: 0x%08X\n", separateDebugHead->ImageBase);
printf ("SizeOfImage: 0x%08X\n", separateDebugHead->SizeOfImage);
printf ("NumberOfSections: 0x%08X\n", separateDebugHead->NumberOfSections);
printf ("ExportedNamesSize: 0x%08X\n", separateDebugHead->ExportedNamesSize);
printf ("DebugDirectorySize: 0x%08X\n", 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->u2.s2.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->u2.s2.OffsetToDirectory);
for (k = 0; k < langdir->NumberOfNamedEntries + langdir->NumberOfIdEntries; k++)
{
e3 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(langdir + 1) + k;
printf( "\n " );
if (e1->u.s.NameIsString)
{
string = (const IMAGE_RESOURCE_DIR_STRING_U*)((const char *)root + e1->u.s.NameOffset);
dump_unicode_str( string->NameString, string->Length );
}
else
{
const char *type = get_resource_type( e1->u.Id );
if (type) printf( "%s", type );
else printf( "%04x", e1->u.Id );
}
printf( " Name=" );
if (e2->u.s.NameIsString)
{
string = (const IMAGE_RESOURCE_DIR_STRING_U*) ((const char *)root + e2->u.s.NameOffset);
dump_unicode_str( string->NameString, string->Length );
}
else
printf( "%04x", e2->u.Id );
printf( " Language=%04x:\n", e3->u.Id );
data = (const IMAGE_RESOURCE_DATA_ENTRY *)((const char *)root + e3->u2.OffsetToData);
if (e1->u.s.NameIsString)
{
dump_data( RVA( data->OffsetToData, data->Size ), data->Size, " " );
}
else switch(e1->u.Id)
{
case 6:
dump_string_data( RVA( data->OffsetToData, data->Size ), data->Size, e2->u.Id, " " );
break;
case 11:
dump_msgtable_data( RVA( data->OffsetToData, data->Size ), data->Size,
e2->u.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 (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;
unsigned i, j;
const DWORD* pName;
const DWORD* pFunc;
const WORD* pOrdl;
const char* ptr;
DWORD* map;
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,
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",
exportDir->NumberOfNames, exportDir->NumberOfFunctions, j, 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;
}
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