contrib/elf2dmp/pdb.h

   1 /*
   2  * Copyright (c) 2018 Virtuozzo International GmbH
   3  *
   4  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   5  *
   6  */
   7
   8 #ifndef PDB_H
   9 #define PDB_H
  10
  11
  12 typedef struct GUID {
  13     unsigned int Data1;
  14     unsigned short Data2;
  15     unsigned short Data3;
  16     unsigned char Data4[8];
  17 } GUID;
  18
  19 struct PDB_FILE {
  20     uint32_t size;
  21     uint32_t unknown;
  22 };
  23
  24 typedef struct PDB_DS_HEADER {
  25     char signature[32];
  26     uint32_t block_size;
  27     uint32_t unknown1;
  28     uint32_t num_pages;
  29     uint32_t toc_size;
  30     uint32_t unknown2;
  31     uint32_t toc_page;
  32 } PDB_DS_HEADER;
  33
  34 typedef struct PDB_DS_TOC {
  35     uint32_t num_files;
  36     uint32_t file_size[1];
  37 } PDB_DS_TOC;
  38
  39 typedef struct PDB_DS_ROOT {
  40     uint32_t Version;
  41     uint32_t TimeDateStamp;
  42     uint32_t Age;
  43     GUID guid;
  44     uint32_t cbNames;
  45     char names[1];
  46 } PDB_DS_ROOT;
  47
  48 typedef struct PDB_TYPES_OLD {
  49     uint32_t version;
  50     uint16_t first_index;
  51     uint16_t last_index;
  52     uint32_t type_size;
  53     uint16_t file;
  54     uint16_t pad;
  55 } PDB_TYPES_OLD;
  56
  57 typedef struct PDB_TYPES {
  58     uint32_t version;
  59     uint32_t type_offset;
  60     uint32_t first_index;
  61     uint32_t last_index;
  62     uint32_t type_size;
  63     uint16_t file;
  64     uint16_t pad;
  65     uint32_t hash_size;
  66     uint32_t hash_base;
  67     uint32_t hash_offset;
  68     uint32_t hash_len;
  69     uint32_t search_offset;
  70     uint32_t search_len;
  71     uint32_t unknown_offset;
  72     uint32_t unknown_len;
  73 } PDB_TYPES;
  74
  75 typedef struct PDB_SYMBOL_RANGE {
  76     uint16_t segment;
  77     uint16_t pad1;
  78     uint32_t offset;
  79     uint32_t size;
  80     uint32_t characteristics;
  81     uint16_t index;
  82     uint16_t pad2;
  83 } PDB_SYMBOL_RANGE;
  84
  85 typedef struct PDB_SYMBOL_RANGE_EX {
  86     uint16_t segment;
  87     uint16_t pad1;
  88     uint32_t offset;
  89     uint32_t size;
  90     uint32_t characteristics;
  91     uint16_t index;
  92     uint16_t pad2;
  93     uint32_t timestamp;
  94     uint32_t unknown;
  95 } PDB_SYMBOL_RANGE_EX;
  96
  97 typedef struct PDB_SYMBOL_FILE {
  98     uint32_t unknown1;
  99     PDB_SYMBOL_RANGE range;
 100     uint16_t flag;
 101     uint16_t file;
 102     uint32_t symbol_size;
 103     uint32_t lineno_size;
 104     uint32_t unknown2;
 105     uint32_t nSrcFiles;
 106     uint32_t attribute;
 107     char filename[1];
 108 } PDB_SYMBOL_FILE;
 109
 110 typedef struct PDB_SYMBOL_FILE_EX {
 111     uint32_t unknown1;
 112     PDB_SYMBOL_RANGE_EX range;
 113     uint16_t flag;
 114     uint16_t file;
 115     uint32_t symbol_size;
 116     uint32_t lineno_size;
 117     uint32_t unknown2;
 118     uint32_t nSrcFiles;
 119     uint32_t attribute;
 120     uint32_t reserved[2];
 121     char filename[1];
 122 } PDB_SYMBOL_FILE_EX;
 123
 124 typedef struct PDB_SYMBOL_SOURCE {
 125     uint16_t nModules;
 126     uint16_t nSrcFiles;
 127     uint16_t table[1];
 128 } PDB_SYMBOL_SOURCE;
 129
 130 typedef struct PDB_SYMBOL_IMPORT {
 131     uint32_t unknown1;
 132     uint32_t unknown2;
 133     uint32_t TimeDateStamp;
 134     uint32_t Age;
 135     char filename[1];
 136 } PDB_SYMBOL_IMPORT;
 137
 138 typedef struct PDB_SYMBOLS_OLD {
 139     uint16_t hash1_file;
 140     uint16_t hash2_file;
 141     uint16_t gsym_file;
 142     uint16_t pad;
 143     uint32_t module_size;
 144     uint32_t offset_size;
 145     uint32_t hash_size;
 146     uint32_t srcmodule_size;
 147 } PDB_SYMBOLS_OLD;
 148
 149 typedef struct PDB_SYMBOLS {
 150     uint32_t signature;
 151     uint32_t version;
 152     uint32_t unknown;
 153     uint32_t hash1_file;
 154     uint32_t hash2_file;
 155     uint16_t gsym_file;
 156     uint16_t unknown1;
 157     uint32_t module_size;
 158     uint32_t offset_size;
 159     uint32_t hash_size;
 160     uint32_t srcmodule_size;
 161     uint32_t pdbimport_size;
 162     uint32_t resvd0;
 163     uint32_t stream_index_size;
 164     uint32_t unknown2_size;
 165     uint16_t resvd3;
 166     uint16_t machine;
 167     uint32_t resvd4;
 168 } PDB_SYMBOLS;
 169
 170 typedef struct {
 171     uint16_t FPO;
 172     uint16_t unk0;
 173     uint16_t unk1;
 174     uint16_t unk2;
 175     uint16_t unk3;
 176     uint16_t segments;
 177 } PDB_STREAM_INDEXES_OLD;
 178
 179 typedef struct {
 180     uint16_t FPO;
 181     uint16_t unk0;
 182     uint16_t unk1;
 183     uint16_t unk2;
 184     uint16_t unk3;
 185     uint16_t segments;
 186     uint16_t unk4;
 187     uint16_t unk5;
 188     uint16_t unk6;
 189     uint16_t FPO_EXT;
 190     uint16_t unk7;
 191 } PDB_STREAM_INDEXES;
 192
 193 union codeview_symbol {
 194     struct {
 195         int16_t len;
 196         int16_t id;
 197     } generic;
 198
 199     struct {
 200         int16_t len;
 201         int16_t id;
 202         uint32_t symtype;
 203         uint32_t offset;
 204         uint16_t segment;
 205         char name[1];
 206     } public_v3;
 207 };
 208
 209 #define S_PUB_V3        0x110E
 210
 211 typedef struct pdb_seg {
 212     uint32_t dword[8];
 213 } __attribute__ ((packed)) pdb_seg;
 214
 215 #define IMAGE_FILE_MACHINE_I386 0x014c
 216 #define IMAGE_FILE_MACHINE_AMD64 0x8664
 217
 218 struct pdb_reader {
 219     int fd;
 220     size_t file_size;
 221     struct {
 222         PDB_DS_HEADER *header;
 223         PDB_DS_TOC *toc;
 224         PDB_DS_ROOT *root;
 225     } ds;
 226     uint32_t file_used[1024];
 227     PDB_SYMBOLS *symbols;
 228     PDB_STREAM_INDEXES sidx;
 229     uint8_t *modimage;
 230     char *segs;
 231     size_t segs_size;
 232 };
 233
 234 int pdb_init_from_file(const char *name, struct pdb_reader *reader);
 235 void pdb_exit(struct pdb_reader *reader);
 236 uint64_t pdb_resolve(uint64_t img_base, struct pdb_reader *r, const char *name);
 237 uint64_t pdb_find_public_v3_symbol(struct pdb_reader *reader, const char *name);
 238
 239 #endif /* PDB_H */