xref: /openbmc/qemu/contrib/elf2dmp/pdb.h (revision b1250455)
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 #ifndef _WIN32
13 typedef struct GUID {
14     unsigned int Data1;
15     unsigned short Data2;
16     unsigned short Data3;
17     unsigned char Data4[8];
18 } GUID;
19 #endif
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     GMappedFile *gmf;
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     uint16_t segments;
231     uint8_t *modimage;
232     char *segs;
233     size_t segs_size;
234 };
235 
236 bool 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 */
242