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 #include <stdint.h>
  12 #include <stdlib.h>
  13
  14 typedef struct GUID {
  15     unsigned int Data1;
  16     unsigned short Data2;
  17     unsigned short Data3;
  18     unsigned char Data4[8];
  19 } GUID;
  20
  21 struct PDB_FILE {
  22     uint32_t size;
  23     uint32_t unknown;
  24 };
  25
  26 typedef struct PDB_DS_HEADER {
  27     char signature[32];
  28     uint32_t block_size;
  29     uint32_t unknown1;
  30     uint32_t num_pages;
  31     uint32_t toc_size;
  32     uint32_t unknown2;
  33     uint32_t toc_page;
  34 } PDB_DS_HEADER;
  35
  36 typedef struct PDB_DS_TOC {
  37     uint32_t num_files;
  38     uint32_t file_size[1];
  39 } PDB_DS_TOC;
  40
  41 typedef struct PDB_DS_ROOT {
  42     uint32_t Version;
  43     uint32_t TimeDateStamp;
  44     uint32_t Age;
  45     GUID guid;
  46     uint32_t cbNames;
  47     char names[1];
  48 } PDB_DS_ROOT;
  49
  50 typedef struct PDB_TYPES_OLD {
  51     uint32_t version;
  52     uint16_t first_index;
  53     uint16_t last_index;
  54     uint32_t type_size;
  55     uint16_t file;
  56     uint16_t pad;
  57 } PDB_TYPES_OLD;
  58
  59 typedef struct PDB_TYPES {
  60     uint32_t version;
  61     uint32_t type_offset;
  62     uint32_t first_index;
  63     uint32_t last_index;
  64     uint32_t type_size;
  65     uint16_t file;
  66     uint16_t pad;
  67     uint32_t hash_size;
  68     uint32_t hash_base;
  69     uint32_t hash_offset;
  70     uint32_t hash_len;
  71     uint32_t search_offset;
  72     uint32_t search_len;
  73     uint32_t unknown_offset;
  74     uint32_t unknown_len;
  75 } PDB_TYPES;
  76
  77 typedef struct PDB_SYMBOL_RANGE {
  78     uint16_t segment;
  79     uint16_t pad1;
  80     uint32_t offset;
  81     uint32_t size;
  82     uint32_t characteristics;
  83     uint16_t index;
  84     uint16_t pad2;
  85 } PDB_SYMBOL_RANGE;
  86
  87 typedef struct PDB_SYMBOL_RANGE_EX {
  88     uint16_t segment;
  89     uint16_t pad1;
  90     uint32_t offset;
  91     uint32_t size;
  92     uint32_t characteristics;
  93     uint16_t index;
  94     uint16_t pad2;
  95     uint32_t timestamp;
  96     uint32_t unknown;
  97 } PDB_SYMBOL_RANGE_EX;
  98
  99 typedef struct PDB_SYMBOL_FILE {
 100     uint32_t unknown1;
 101     PDB_SYMBOL_RANGE range;
 102     uint16_t flag;
 103     uint16_t file;
 104     uint32_t symbol_size;
 105     uint32_t lineno_size;
 106     uint32_t unknown2;
 107     uint32_t nSrcFiles;
 108     uint32_t attribute;
 109     char filename[1];
 110 } PDB_SYMBOL_FILE;
 111
 112 typedef struct PDB_SYMBOL_FILE_EX {
 113     uint32_t unknown1;
 114     PDB_SYMBOL_RANGE_EX range;
 115     uint16_t flag;
 116     uint16_t file;
 117     uint32_t symbol_size;
 118     uint32_t lineno_size;
 119     uint32_t unknown2;
 120     uint32_t nSrcFiles;
 121     uint32_t attribute;
 122     uint32_t reserved[2];
 123     char filename[1];
 124 } PDB_SYMBOL_FILE_EX;
 125
 126 typedef struct PDB_SYMBOL_SOURCE {
 127     uint16_t nModules;
 128     uint16_t nSrcFiles;
 129     uint16_t table[1];
 130 } PDB_SYMBOL_SOURCE;
 131
 132 typedef struct PDB_SYMBOL_IMPORT {
 133     uint32_t unknown1;
 134     uint32_t unknown2;
 135     uint32_t TimeDateStamp;
 136     uint32_t Age;
 137     char filename[1];
 138 } PDB_SYMBOL_IMPORT;
 139
 140 typedef struct PDB_SYMBOLS_OLD {
 141     uint16_t hash1_file;
 142     uint16_t hash2_file;
 143     uint16_t gsym_file;
 144     uint16_t pad;
 145     uint32_t module_size;
 146     uint32_t offset_size;
 147     uint32_t hash_size;
 148     uint32_t srcmodule_size;
 149 } PDB_SYMBOLS_OLD;
 150
 151 typedef struct PDB_SYMBOLS {
 152     uint32_t signature;
 153     uint32_t version;
 154     uint32_t unknown;
 155     uint32_t hash1_file;
 156     uint32_t hash2_file;
 157     uint16_t gsym_file;
 158     uint16_t unknown1;
 159     uint32_t module_size;
 160     uint32_t offset_size;
 161     uint32_t hash_size;
 162     uint32_t srcmodule_size;
 163     uint32_t pdbimport_size;
 164     uint32_t resvd0;
 165     uint32_t stream_index_size;
 166     uint32_t unknown2_size;
 167     uint16_t resvd3;
 168     uint16_t machine;
 169     uint32_t resvd4;
 170 } PDB_SYMBOLS;
 171
 172 typedef struct {
 173     uint16_t FPO;
 174     uint16_t unk0;
 175     uint16_t unk1;
 176     uint16_t unk2;
 177     uint16_t unk3;
 178     uint16_t segments;
 179 } PDB_STREAM_INDEXES_OLD;
 180
 181 typedef struct {
 182     uint16_t FPO;
 183     uint16_t unk0;
 184     uint16_t unk1;
 185     uint16_t unk2;
 186     uint16_t unk3;
 187     uint16_t segments;
 188     uint16_t unk4;
 189     uint16_t unk5;
 190     uint16_t unk6;
 191     uint16_t FPO_EXT;
 192     uint16_t unk7;
 193 } PDB_STREAM_INDEXES;
 194
 195 union codeview_symbol {
 196     struct {
 197         int16_t len;
 198         int16_t id;
 199     } generic;
 200
 201     struct {
 202         int16_t len;
 203         int16_t id;
 204         uint32_t symtype;
 205         uint32_t offset;
 206         uint16_t segment;
 207         char name[1];
 208     } public_v3;
 209 };
 210
 211 #define S_PUB_V3        0x110E
 212
 213 typedef struct pdb_seg {
 214     uint32_t dword[8];
 215 } __attribute__ ((packed)) pdb_seg;
 216
 217 #define IMAGE_FILE_MACHINE_I386 0x014c
 218 #define IMAGE_FILE_MACHINE_AMD64 0x8664
 219
 220 struct pdb_reader {
 221     int fd;
 222     size_t file_size;
 223     struct {
 224         PDB_DS_HEADER *header;
 225         PDB_DS_TOC *toc;
 226         PDB_DS_ROOT *root;
 227     } ds;
 228     uint32_t file_used[1024];
 229     PDB_SYMBOLS *symbols;
 230     PDB_STREAM_INDEXES sidx;
 231     uint8_t *modimage;
 232     char *segs;
 233     size_t segs_size;
 234 };
 235
 236 int pdb_init_from_file(const char *name, struct pdb_reader *reader);
 237 void pdb_exit(struct pdb_reader *reader);
 238 uint64_t pdb_resolve(uint64_t img_base, struct pdb_reader *r, const char *name);
 239 uint64_t pdb_find_public_v3_symbol(struct pdb_reader *reader, const char *name);
 240
 241 #endif /* PDB_H */