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c0bc4ef7 DF |
1 | /* |
2 | * Copyright (c) 1983 Regents of the University of California. | |
ddb85eed | 3 | * All rights reserved. |
c0bc4ef7 | 4 | * |
ddb85eed | 5 | * Redistribution and use in source and binary forms are permitted |
2124b336 KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
ddb85eed | 16 | * |
139a4298 | 17 | * @(#)gprof.h 5.8 (Berkeley) %G% |
c0bc4ef7 | 18 | */ |
a8242a8d | 19 | |
a8242a8d PK |
20 | #include <sys/types.h> |
21 | #include <sys/stat.h> | |
22 | #include <a.out.h> | |
139a4298 KB |
23 | #include <stdio.h> |
24 | #include "gmon.h" | |
a8242a8d | 25 | |
f366424a PK |
26 | #if vax |
27 | # include "vax.h" | |
28 | #endif | |
29 | #if sun | |
ea0da684 SL |
30 | # include "sun.h" |
31 | #endif | |
32 | #if tahoe | |
33 | # include "tahoe.h" | |
f366424a PK |
34 | #endif |
35 | ||
36 | ||
ad3b82ad PK |
37 | /* |
38 | * who am i, for error messages. | |
39 | */ | |
40 | char *whoami; | |
41 | ||
7ec9eedc PK |
42 | /* |
43 | * booleans | |
44 | */ | |
45 | typedef int bool; | |
46 | #define FALSE 0 | |
47 | #define TRUE 1 | |
48 | ||
a8242a8d PK |
49 | /* |
50 | * ticks per second | |
51 | */ | |
89bcca98 | 52 | long hz; |
a8242a8d | 53 | |
e45bf3a8 | 54 | typedef u_short UNIT; /* unit of profiling */ |
a8242a8d PK |
55 | char *a_outname; |
56 | #define A_OUTNAME "a.out" | |
57 | ||
31f0a970 PK |
58 | char *gmonname; |
59 | #define GMONNAME "gmon.out" | |
0c0ac747 | 60 | #define GMONSUM "gmon.sum" |
e45bf3a8 | 61 | |
a8242a8d PK |
62 | /* |
63 | * a constructed arc, | |
64 | * with pointers to the namelist entry of the parent and the child, | |
65 | * a count of how many times this arc was traversed, | |
66 | * and pointers to the next parent of this child and | |
67 | * the next child of this parent. | |
68 | */ | |
69 | struct arcstruct { | |
70 | struct nl *arc_parentp; /* pointer to parent's nl entry */ | |
71 | struct nl *arc_childp; /* pointer to child's nl entry */ | |
72 | long arc_count; /* how calls from parent to child */ | |
73 | double arc_time; /* time inherited along arc */ | |
74 | double arc_childtime; /* childtime inherited along arc */ | |
75 | struct arcstruct *arc_parentlist; /* parents-of-this-child list */ | |
76 | struct arcstruct *arc_childlist; /* children-of-this-parent list */ | |
77 | }; | |
78 | typedef struct arcstruct arctype; | |
79 | ||
ad3b82ad PK |
80 | /* |
81 | * The symbol table; | |
82 | * for each external in the specified file we gather | |
83 | * its address, the number of calls and compute its share of cpu time. | |
84 | */ | |
a8242a8d | 85 | struct nl { |
ad3b82ad PK |
86 | char *name; /* the name */ |
87 | unsigned long value; /* the pc entry point */ | |
f366424a | 88 | unsigned long svalue; /* entry point aligned to histograms */ |
ad3b82ad PK |
89 | double time; /* ticks in this routine */ |
90 | double childtime; /* cumulative ticks in children */ | |
91 | long ncall; /* how many times called */ | |
92 | long selfcalls; /* how many calls to self */ | |
a441395b PK |
93 | double propfraction; /* what % of time propagates */ |
94 | double propself; /* how much self time propagates */ | |
95 | double propchild; /* how much child time propagates */ | |
7ec9eedc | 96 | bool printflag; /* should this be printed? */ |
ad3b82ad PK |
97 | int index; /* index in the graph list */ |
98 | int toporder; /* graph call chain top-sort order */ | |
99 | int cycleno; /* internal number of cycle on */ | |
100 | struct nl *cyclehead; /* pointer to head of cycle */ | |
101 | struct nl *cnext; /* pointer to next member of cycle */ | |
102 | arctype *parents; /* list of caller arcs */ | |
103 | arctype *children; /* list of callee arcs */ | |
a8242a8d PK |
104 | }; |
105 | typedef struct nl nltype; | |
106 | ||
107 | nltype *nl; /* the whole namelist */ | |
108 | nltype *npe; /* the virtual end of the namelist */ | |
ad3b82ad | 109 | int nname; /* the number of function names */ |
a8242a8d PK |
110 | |
111 | /* | |
112 | * flag which marks a nl entry as topologically ``busy'' | |
80ebf400 | 113 | * flag which marks a nl entry as topologically ``not_numbered'' |
a8242a8d PK |
114 | */ |
115 | #define DFN_BUSY -1 | |
80ebf400 | 116 | #define DFN_NAN 0 |
a8242a8d PK |
117 | |
118 | /* | |
ad3b82ad PK |
119 | * namelist entries for cycle headers. |
120 | * the number of discovered cycles. | |
121 | */ | |
122 | nltype *cyclenl; /* cycle header namelist */ | |
123 | int ncycle; /* number of cycles discovered */ | |
124 | ||
125 | /* | |
126 | * The header on the gmon.out file. | |
127 | * gmon.out consists of one of these headers, | |
128 | * and then an array of ncnt samples | |
129 | * representing the discretized program counter values. | |
130 | * this should be a struct phdr, but since everything is done | |
131 | * as UNITs, this is in UNITs too. | |
a8242a8d | 132 | */ |
a8242a8d | 133 | struct hdr { |
ad3b82ad PK |
134 | UNIT *lowpc; |
135 | UNIT *highpc; | |
136 | int ncnt; | |
a8242a8d PK |
137 | }; |
138 | ||
139 | struct hdr h; | |
140 | ||
141 | int debug; | |
142 | ||
ad3b82ad PK |
143 | /* |
144 | * Each discretized pc sample has | |
145 | * a count of the number of samples in its range | |
146 | */ | |
e45bf3a8 | 147 | UNIT *samples; |
a8242a8d | 148 | |
16152db8 PK |
149 | unsigned long s_lowpc; /* lowpc from the profile file */ |
150 | unsigned long s_highpc; /* highpc from the profile file */ | |
151 | unsigned lowpc, highpc; /* range profiled, in UNIT's */ | |
a8242a8d PK |
152 | unsigned sampbytes; /* number of bytes of samples */ |
153 | int nsamples; /* number of samples */ | |
154 | double actime; /* accumulated time thus far for putprofline */ | |
155 | double totime; /* total time for all routines */ | |
7ec9eedc | 156 | double printtime; /* total of time being printed */ |
a8242a8d PK |
157 | double scale; /* scale factor converting samples to pc |
158 | values: each sample covers scale bytes */ | |
159 | char *strtab; /* string table in core */ | |
160 | off_t ssiz; /* size of the string table */ | |
161 | struct exec xbuf; /* exec header of a.out */ | |
29da1d26 | 162 | unsigned char *textspace; /* text space of a.out in core */ |
a8242a8d | 163 | |
1c0c4c82 PK |
164 | /* |
165 | * option flags, from a to z. | |
166 | */ | |
7ec9eedc PK |
167 | bool aflag; /* suppress static functions */ |
168 | bool bflag; /* blurbs, too */ | |
169 | bool cflag; /* discovered call graph, too */ | |
170 | bool dflag; /* debugging options */ | |
171 | bool eflag; /* specific functions excluded */ | |
a441395b | 172 | bool Eflag; /* functions excluded with time */ |
7ec9eedc | 173 | bool fflag; /* specific functions requested */ |
a441395b | 174 | bool Fflag; /* functions requested with time */ |
3cdecae8 | 175 | bool kflag; /* arcs to be deleted */ |
7ec9eedc PK |
176 | bool sflag; /* sum multiple gmon.out files */ |
177 | bool zflag; /* zero time/called functions, too */ | |
35e3e365 | 178 | |
a441395b PK |
179 | /* |
180 | * structure for various string lists | |
181 | */ | |
182 | struct stringlist { | |
183 | struct stringlist *next; | |
184 | char *string; | |
185 | }; | |
186 | struct stringlist *elist; | |
187 | struct stringlist *Elist; | |
188 | struct stringlist *flist; | |
189 | struct stringlist *Flist; | |
3cdecae8 KM |
190 | struct stringlist *kfromlist; |
191 | struct stringlist *ktolist; | |
a441395b | 192 | |
35e3e365 PK |
193 | /* |
194 | * function declarations | |
195 | */ | |
e45bf3a8 | 196 | /* |
35e3e365 | 197 | addarc(); |
e45bf3a8 | 198 | */ |
35e3e365 | 199 | int arccmp(); |
a8242a8d | 200 | arctype *arclookup(); |
e45bf3a8 | 201 | /* |
35e3e365 | 202 | asgnsamples(); |
1c0c4c82 | 203 | printblurb(); |
35e3e365 PK |
204 | cyclelink(); |
205 | dfn(); | |
e45bf3a8 | 206 | */ |
a8242a8d | 207 | bool dfn_busy(); |
e45bf3a8 | 208 | /* |
35e3e365 | 209 | dfn_findcycle(); |
e45bf3a8 | 210 | */ |
35e3e365 | 211 | bool dfn_numbered(); |
e45bf3a8 | 212 | /* |
35e3e365 PK |
213 | dfn_post_visit(); |
214 | dfn_pre_visit(); | |
215 | dfn_self_cycle(); | |
e45bf3a8 | 216 | */ |
6e12a896 | 217 | nltype **doarcs(); |
e45bf3a8 | 218 | /* |
35e3e365 PK |
219 | done(); |
220 | findcalls(); | |
221 | flatprofheader(); | |
222 | flatprofline(); | |
e45bf3a8 | 223 | */ |
3f722622 | 224 | bool funcsymbol(); |
e45bf3a8 | 225 | /* |
35e3e365 PK |
226 | getnfile(); |
227 | getpfile(); | |
228 | getstrtab(); | |
229 | getsymtab(); | |
230 | gettextspace(); | |
231 | gprofheader(); | |
232 | gprofline(); | |
233 | main(); | |
e45bf3a8 | 234 | */ |
35e3e365 PK |
235 | unsigned long max(); |
236 | int membercmp(); | |
237 | unsigned long min(); | |
238 | nltype *nllookup(); | |
239 | FILE *openpfile(); | |
240 | long operandlength(); | |
241 | operandenum operandmode(); | |
242 | char *operandname(); | |
e45bf3a8 | 243 | /* |
35e3e365 PK |
244 | printchildren(); |
245 | printcycle(); | |
246 | printgprof(); | |
247 | printmembers(); | |
248 | printname(); | |
249 | printparents(); | |
250 | printprof(); | |
251 | readsamples(); | |
e45bf3a8 | 252 | */ |
35e3e365 | 253 | unsigned long reladdr(); |
e45bf3a8 | 254 | /* |
35e3e365 PK |
255 | sortchildren(); |
256 | sortmembers(); | |
257 | sortparents(); | |
258 | tally(); | |
259 | timecmp(); | |
260 | topcmp(); | |
e45bf3a8 | 261 | */ |
35e3e365 | 262 | int totalcmp(); |
e45bf3a8 | 263 | /* |
35e3e365 | 264 | valcmp(); |
e45bf3a8 | 265 | */ |
a8242a8d PK |
266 | |
267 | #define LESSTHAN -1 | |
268 | #define EQUALTO 0 | |
269 | #define GREATERTHAN 1 | |
270 | ||
271 | #define DFNDEBUG 1 | |
272 | #define CYCLEDEBUG 2 | |
273 | #define ARCDEBUG 4 | |
274 | #define TALLYDEBUG 8 | |
275 | #define TIMEDEBUG 16 | |
276 | #define SAMPLEDEBUG 32 | |
277 | #define AOUTDEBUG 64 | |
ea0da684 | 278 | #define CALLDEBUG 128 |
29da1d26 | 279 | #define LOOKUPDEBUG 256 |
a441395b PK |
280 | #define PROPDEBUG 512 |
281 | #define ANYDEBUG 1024 |