source: trunk/src/odinprof/symfile.h@ 8993

Last change on this file since 8993 was 7427, checked in by phaller, 24 years ago

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File size: 6.7 KB
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1/* $Id: symfile.h,v 1.3 2001-11-22 13:35:42 phaller Exp $ */
2/*
3 * Project Odin Software License can be found in LICENSE.TXT
4 * Execution Trace Profiler
5 *
6 * Copyright 2001 Patrick Haller <patrick.haller@innotek.de>
7 *
8 */
9
10/****************************************************************************
11 * To Do
12 ****************************************************************************
13
14 - find and load symbolic debug information file
15 (SYM2IDA)
16 - resolve (relative address) to function name(s)
17 - write result in java.prof style
18 - find tool to nicely work on the output files
19 */
20
21
22#ifndef _SYMFILE_H_
23#define _SYMFILE_H_
24
25
26/****************************************************************************
27 * includes
28 ****************************************************************************/
29
30#include "profcollection.h"
31
32
33/****************************************************************************
34 * definitions
35 ****************************************************************************/
36
37/* Pointer means offset from beginning of file or beginning of struct */
38#pragma pack(1)
39typedef struct {
40 unsigned short int ppNextMap; /* paragraph pointer to next map */
41 unsigned char bFlags; /* symbol types */
42 unsigned char bReserved1; /* reserved */
43 unsigned short int pSegEntry; /* segment entry point value */
44 unsigned short int cConsts; /* count of constants in map */
45 unsigned short int pConstDef; /* pointer to constant chain */
46 unsigned short int cSegs; /* count of segments in map */
47 unsigned short int ppSegDef; /* paragraph pointer to first segment */
48 unsigned char cbMaxSym; /* maximum symbol-name length */
49 unsigned char cbModName; /* length of module name */
50 char achModName[1]; /* cbModName Bytes of module-name member */
51} MAPDEF, *PMAPDEF;
52
53typedef struct {
54 unsigned short int ppNextMap; /* always zero */
55 unsigned char release; /* release number (minor version number) */
56 unsigned char version; /* major version number */
57} LAST_MAPDEF, *PLAST_MAPDEF;
58
59typedef struct {
60 unsigned short int ppNextSeg; /* paragraph pointer to next segment */
61 unsigned short int cSymbols; /* count of symbols in list */
62 unsigned short int pSymDef; /* offset of symbol chain */
63 unsigned short int wReserved1; /* reserved */
64 unsigned short int wReserved2; /* reserved */
65 unsigned short int wReserved3; /* reserved */
66 unsigned short int wReserved4; /* reserved */
67 unsigned char bFlags; /* symbol types */
68 unsigned char bReserved1; /* reserved */
69 unsigned short int ppLineDef; /* offset of line number record */
70 unsigned char bReserved2; /* reserved */
71 unsigned char bReserved3; /* reserved */
72 unsigned char cbSegName; /* length of segment name */
73 char achSegName[1]; /* cbSegName Bytes of segment-name member*/
74} SEGDEF, *PSEGDEF;
75
76typedef struct {
77 unsigned short int wSymVal; /* symbol address or constant */
78 unsigned char cbSymName; /* length of symbol name */
79 char achSymName[1]; /* cbSymName Bytes of symbol-name member */
80} SYMDEF16, *PSEGDEF16;
81
82typedef struct {
83 unsigned int wSymVal; /* symbol address or constant */
84 unsigned char cbSymName; /* length of symbol name */
85 char achSymName[1]; /* cbSymName Bytes of symbol-name member */
86} SYMDEF32, *PSYMDEF32;
87
88typedef struct {
89 unsigned short int ppNextLine; /* ptr to next linedef (0 if last) */
90 unsigned short int wReserved1; /* reserved */
91 unsigned short int pLines; /* pointer to line numbers */
92 unsigned short int cLines; /* reserved */
93 unsigned char cbFileName; /* length of filename */
94 char achFileName[1];/* cbFileName Bytes of filename */
95} LINEDEF, *PLINEDEF;
96
97typedef struct {
98 unsigned short int wCodeOffset; /* executable offset */
99 unsigned short int dwFileOffset; /* source offset */
100} LINEINF, *PLINEINF;
101
102#define SEGDEFOFFSET(MapDef) (MapDef.ppSegDef*16)
103#define NEXTSEGDEFOFFSET(SegDef) (SegDef.ppNextSeg*16)
104
105#define ASYMPTROFFSET(SegDefOffset,Segdef) (SegDefOffset+SegDef.pSymDef)
106#define SYMDEFOFFSET(SegDefOffset,SegDef,n) (ASYMPTROFFSET(SegDefOffset,SegDef)+(n)*(sizeof(unsigned short int)))
107
108#define ACONSTPTROFFSET(MapDef) (MapDef.ppConstDef)
109#define CONSTDEFOFFSET(MapDef,n) ((MapDef.ppConstDef)+(n)*(sizeof(unsigned short int)))
110
111#define LINEDEFOFFSET(SegDef) (SegDef.ppLineDef*16))
112#define NEXTLINEDEFOFFSET(LineDef) (LineDef.ppNextLine*16)
113#define LINESOFFSET(LinedefOffset,LineDef) ((LinedefOffset)+LineDef.pLines)
114
115#pragma pack()
116
117
118typedef struct tagLXMap
119{
120
121} LXMAP, *PLXMAP;
122
123
124class LXSymbolFile
125{
126 public:
127 LXSymbolFile(PSZ pszName, PSZ pszFileName);
128 ~LXSymbolFile();
129
130 APIRET parseFile();
131 BOOL isAvailable();
132
133 void setErrorMessage(PSZ _pszErrorMessage);
134 PSZ getErrorMessage();
135 PSZ getFileName();
136 PSZ getName() { return pszName; }
137 BOOL getSymbolName(ULONG objNr,
138 ULONG offset,
139 PSZ pszNameBuffer,
140 ULONG ulNameBufferLength,
141 PULONG pulSymbolOffset);
142
143 protected:
144 PSZ pszName;
145 PSZ pszFileName;
146 PSZ pszErrorMessage;
147
148 // table: objnr:offset, symbolname
149 PBYTE pSymbolRawData;
150};
151
152
153class SymbolFilePool
154{
155 public:
156 SymbolFilePool();
157 ~SymbolFilePool();
158
159 APIRET searchModule(PSZ pszModule, PBYTE pBuffer, ULONG ulBufferLength);
160 BOOL getSymbolName(PSZ pszModule,
161 ULONG objNr,
162 ULONG offset,
163 PSZ pszNameBuffer,
164 ULONG ulNameBufferLength,
165 PULONG pulSymbolOffset);
166 void printSYMs(FILE *file);
167
168 protected:
169 CHashtableLookup* pHashModules;
170
171 // - find module name in internal table
172 // - try to load and parse the module
173 // - if loading failed, cache negative result
174 // so we won't try again (-> isAvailable)
175};
176
177
178#endif /* _SYMFILE_H_ */
179
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