tools/winedump/lib.c

   1 /*
   2  *  Dump a COFF library (lib) file
   3  *
   4  * Copyright 2006 Dmitry Timoshkov
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdarg.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #ifdef HAVE_UNISTD_H
  28 # include <unistd.h>
  29 #endif
  30 #ifdef HAVE_SYS_TYPES_H
  31 # include <sys/types.h>
  32 #endif
  33 #ifdef HAVE_SYS_MMAN_H
  34 #include <sys/mman.h>
  35 #endif
  36 #include <fcntl.h>
  37
  38 #define NONAMELESSUNION
  39 #define NONAMELESSSTRUCT
  40 #include "windef.h"
  41 #include "winbase.h"
  42 #include "winnt.h"
  43
  44 #include "winedump.h"
  45
  46 static inline USHORT ushort_bswap(USHORT s)
  47 {
  48     return (s >> 8) | (s << 8);
  49 }
  50
  51 static inline ULONG ulong_bswap(ULONG l)
  52 {
  53     return ((ULONG)ushort_bswap((USHORT)l) << 16) | ushort_bswap((USHORT)(l >> 16));
  54 }
  55
  56 static void dump_import_object(const IMPORT_OBJECT_HEADER *ioh)
  57 {
  58     if (ioh->Version == 0)
  59     {
  60         static const char * const obj_type[] = { "code", "data", "const" };
  61         static const char * const name_type[] = { "ordinal", "name", "no prefix", "undecorate" };
  62         const char *name;
  63
  64         printf("  Version      : %X\n", ioh->Version);
  65         printf("  Machine      : %X (%s)\n", ioh->Machine, get_machine_str(ioh->Machine));
  66         printf("  TimeDateStamp: %08X %s\n", ioh->TimeDateStamp, get_time_str(ioh->TimeDateStamp));
  67         printf("  SizeOfData   : %08X\n", ioh->SizeOfData);
  68         name = (const char *)ioh + sizeof(*ioh);
  69         printf("  DLL name     : %s\n", name + strlen(name) + 1);
  70         printf("  Symbol name  : %s\n", name);
  71         printf("  Type         : %s\n", (ioh->Type < sizeof(obj_type)/sizeof(obj_type[0])) ? obj_type[ioh->Type] : "unknown");
  72         printf("  Name type    : %s\n", (ioh->NameType < sizeof(name_type)/sizeof(name_type[0])) ? name_type[ioh->NameType] : "unknown");
  73         printf("  %-13s: %u\n", (ioh->NameType == IMPORT_OBJECT_ORDINAL) ? "Ordinal" : "Hint", ioh->u.Ordinal);
  74         printf("\n");
  75     }
  76 }
  77
  78 static void dump_long_import(const void *base, const IMAGE_SECTION_HEADER *ish, unsigned num_sect)
  79 {
  80     unsigned i;
  81     const DWORD *imp_data5 = NULL;
  82     const WORD *imp_data6 = NULL;
  83
  84     if (globals.do_dumpheader)
  85         printf("Section Table\n");
  86
  87     for (i = 0; i < num_sect; i++)
  88     {
  89         if (globals.do_dumpheader)
  90             dump_section(&ish[i], NULL);
  91
  92         if (globals.do_dump_rawdata)
  93         {
  94             dump_data((const unsigned char *)base + ish[i].PointerToRawData, ish[i].SizeOfRawData, "    " );
  95             printf("\n");
  96         }
  97
  98         if (!strcmp((const char *)ish[i].Name, ".idata$5"))
  99         {
 100             imp_data5 = (const DWORD *)((const char *)base + ish[i].PointerToRawData);
 101         }
 102         else if (!strcmp((const char *)ish[i].Name, ".idata$6"))
 103         {
 104             imp_data6 = (const WORD *)((const char *)base + ish[i].PointerToRawData);
 105         }
 106         else if (globals.do_debug && !strcmp((const char *)ish[i].Name, ".debug$S"))
 107         {
 108             const char *imp_debugS = (const char *)base + ish[i].PointerToRawData;
 109
 110             codeview_dump_symbols(imp_debugS, ish[i].SizeOfRawData);
 111             printf("\n");
 112         }
 113     }
 114
 115     if (imp_data5)
 116     {
 117         WORD ordinal = 0;
 118         const char *name = NULL;
 119
 120         if (imp_data5[0] & 0x80000000)
 121             ordinal = (WORD)(imp_data5[0] & ~0x80000000);
 122
 123         if (imp_data6)
 124         {
 125             if (!ordinal) ordinal = imp_data6[0];
 126             name = (const char *)(imp_data6 + 1);
 127         }
 128         else
 129         {
 130             /* FIXME: find out a name in the section's data */
 131         }
 132
 133         if (ordinal)
 134         {
 135             printf("  Symbol name  : %s\n", name ? name : "(ordinal import) /* FIXME */");
 136             printf("  %-13s: %u\n", (imp_data5[0] & 0x80000000) ? "Ordinal" : "Hint", ordinal);
 137             printf("\n");
 138         }
 139     }
 140 }
 141
 142 enum FileSig get_kind_lib(void)
 143 {
 144     const char*         arch = PRD(0, IMAGE_ARCHIVE_START_SIZE);
 145     if (arch && !strncmp(arch, IMAGE_ARCHIVE_START, IMAGE_ARCHIVE_START_SIZE))
 146         return SIG_COFFLIB;
 147     return SIG_UNKNOWN;
 148 }
 149
 150 void lib_dump(void)
 151 {
 152     int first_linker_member = 1;
 153     unsigned long cur_file_pos, long_names_size = 0;
 154     const IMAGE_ARCHIVE_MEMBER_HEADER *iamh;
 155     const char *long_names = NULL;
 156
 157     cur_file_pos = IMAGE_ARCHIVE_START_SIZE;
 158
 159     for (;;)
 160     {
 161         const IMPORT_OBJECT_HEADER *ioh;
 162         unsigned long size;
 163
 164         if (!(iamh = PRD(cur_file_pos, sizeof(*iamh)))) break;
 165
 166         if (globals.do_dumpheader)
 167         {
 168             printf("Archive member name at %08lx\n", Offset(iamh));
 169
 170             printf("Name %.16s", iamh->Name);
 171             if (!strncmp((const char *)iamh->Name, IMAGE_ARCHIVE_LINKER_MEMBER, sizeof(iamh->Name)))
 172             {
 173                 printf(" - %s archive linker member\n", first_linker_member ? "1st" : "2nd");
 174             }
 175             else
 176             {
 177                 if (long_names && iamh->Name[0] == '/')
 178                 {
 179                     unsigned long long_names_offset = atol((const char *)&iamh->Name[1]);
 180                     if (long_names_offset < long_names_size)
 181                         printf("%s\n", long_names + long_names_offset);
 182                 }
 183                 printf("\n");
 184             }
 185             printf("Date %.12s %s\n", iamh->Date, get_time_str(strtoul((const char *)iamh->Date, NULL, 10)));
 186             printf("UserID %.6s\n", iamh->UserID);
 187             printf("GroupID %.6s\n", iamh->GroupID);
 188             printf("Mode %.8s\n", iamh->Mode);
 189             printf("Size %.10s\n\n", iamh->Size);
 190         }
 191
 192         cur_file_pos += sizeof(IMAGE_ARCHIVE_MEMBER_HEADER);
 193
 194         size = strtoul((const char *)iamh->Size, NULL, 10);
 195         size = (size + 1) & ~1; /* align to an even address */
 196
 197         if (!(ioh = PRD(cur_file_pos, sizeof(*ioh)))) break;
 198
 199         if (ioh->Sig1 == IMAGE_FILE_MACHINE_UNKNOWN && ioh->Sig2 == IMPORT_OBJECT_HDR_SIG2)
 200         {
 201             dump_import_object(ioh);
 202         }
 203         else if (!strncmp((const char *)iamh->Name, IMAGE_ARCHIVE_LINKER_MEMBER, sizeof(iamh->Name)))
 204         {
 205             const DWORD *offset = (const DWORD *)ioh;
 206             const char *name;
 207             DWORD i, count;
 208
 209             if (first_linker_member) /* 1st archive linker member, BE format */
 210             {
 211                 count = ulong_bswap(*offset++);
 212                 name = (const char *)(offset + count);
 213                 printf("%u public symbols\n", count);
 214                 for (i = 0; i < count; i++)
 215                 {
 216                     printf("%8x %s\n", ulong_bswap(offset[i]), name);
 217                     name += strlen(name) + 1;
 218                 }
 219                 printf("\n");
 220             }
 221             else /* 2nd archive linker member, LE format */
 222             {
 223                 const WORD *idx;
 224
 225                 count = *offset++;
 226                 printf("%u offsets\n", count);
 227                 for (i = 0; i < count; i++)
 228                 {
 229                     printf("%8x %8x\n", i, offset[i]);
 230                 }
 231                 printf("\n");
 232
 233                 offset += count;
 234                 count = *offset++;
 235                 idx = (const WORD *)offset;
 236                 name = (const char *)(idx + count);
 237                 printf("%u public symbols\n", count);
 238                 for (i = 0; i < count; i++)
 239                 {
 240                     printf("%8x %s\n", idx[i], name);
 241                     name += strlen(name) + 1;
 242                 }
 243                 printf("\n");
 244             }
 245         }
 246         else if (!strncmp((const char *)iamh->Name, IMAGE_ARCHIVE_LONGNAMES_MEMBER, sizeof(iamh->Name)))
 247         {
 248             long_names = PRD(cur_file_pos, size);
 249             long_names_size = size;
 250         }
 251         else
 252         {
 253             unsigned long expected_size;
 254             const IMAGE_FILE_HEADER *fh = (const IMAGE_FILE_HEADER *)ioh;
 255
 256             if (globals.do_dumpheader)
 257             {
 258                 dump_file_header(fh);
 259                 if (fh->SizeOfOptionalHeader)
 260                 {
 261                     const IMAGE_OPTIONAL_HEADER32 *oh = (const IMAGE_OPTIONAL_HEADER32 *)((const char *)fh + sizeof(*fh));
 262                     dump_optional_header(oh, fh->SizeOfOptionalHeader);
 263                 }
 264             }
 265             /* Sanity check */
 266             expected_size = sizeof(*fh) + fh->SizeOfOptionalHeader + fh->NumberOfSections * sizeof(IMAGE_SECTION_HEADER);
 267             if (size > expected_size)
 268                 dump_long_import(fh, (const IMAGE_SECTION_HEADER *)((const char *)fh + sizeof(*fh) + fh->SizeOfOptionalHeader), fh->NumberOfSections);
 269         }
 270
 271         first_linker_member = 0;
 272         cur_file_pos += size;
 273     }
 274 }