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29da1d26 | 1 | /* sccsid: @(#)gprof.h 1.3 (Berkeley) %G% */ |
a8242a8d PK |
2 | |
3 | #include <stdio.h> | |
4 | #include <sys/types.h> | |
5 | #include <sys/stat.h> | |
6 | #include <a.out.h> | |
7 | #include <pagsiz.h> | |
8 | #include "monitor.h" | |
9 | ||
10 | /* | |
11 | * ticks per second | |
12 | */ | |
13 | #define HZ 60 | |
14 | ||
15 | typedef short UNIT; /* unit of profiling */ | |
16 | char *a_outname; | |
17 | #define A_OUTNAME "a.out" | |
18 | ||
31f0a970 PK |
19 | char *gmonname; |
20 | #define GMONNAME "gmon.out" | |
a8242a8d PK |
21 | |
22 | /* | |
23 | * a constructed arc, | |
24 | * with pointers to the namelist entry of the parent and the child, | |
25 | * a count of how many times this arc was traversed, | |
26 | * and pointers to the next parent of this child and | |
27 | * the next child of this parent. | |
28 | */ | |
29 | struct arcstruct { | |
30 | struct nl *arc_parentp; /* pointer to parent's nl entry */ | |
31 | struct nl *arc_childp; /* pointer to child's nl entry */ | |
32 | long arc_count; /* how calls from parent to child */ | |
33 | double arc_time; /* time inherited along arc */ | |
34 | double arc_childtime; /* childtime inherited along arc */ | |
35 | struct arcstruct *arc_parentlist; /* parents-of-this-child list */ | |
36 | struct arcstruct *arc_childlist; /* children-of-this-parent list */ | |
37 | }; | |
38 | typedef struct arcstruct arctype; | |
39 | ||
40 | /* | |
41 | * a raw arc, | |
42 | * with pointers to the calling site and the called site | |
43 | * and a count. | |
44 | */ | |
45 | struct rawarc { | |
46 | unsigned long raw_frompc; | |
47 | unsigned long raw_selfpc; | |
48 | long raw_count; | |
49 | }; | |
50 | /* | |
51 | * The symbol table; | |
52 | * for each external in the specified file we gather | |
53 | * its address, the number of calls and compute its share of cpu time. | |
54 | */ | |
55 | struct nl { | |
56 | char *name; /* the name */ | |
57 | unsigned long value; /* the pc entry point */ | |
58 | double time; /* ticks in this routine */ | |
31f0a970 | 59 | double childtime; /* cumulative ticks in children */ |
a8242a8d PK |
60 | long ncall; /* how many times called */ |
61 | long selfcalls; /* how many calls to self */ | |
31f0a970 PK |
62 | int index; /* index in the graph list */ |
63 | int toporder; /* graph call chain top-sort order */ | |
a8242a8d PK |
64 | int cycleno; /* internal number of cycle on */ |
65 | struct nl *cyclehead; /* pointer to head of cycle */ | |
66 | struct nl *cnext; /* pointer to next member of cycle */ | |
67 | arctype *parents; /* list of caller arcs */ | |
68 | arctype *children; /* list of callee arcs */ | |
69 | }; | |
70 | typedef struct nl nltype; | |
71 | ||
72 | nltype *nl; /* the whole namelist */ | |
73 | nltype *npe; /* the virtual end of the namelist */ | |
74 | int nname; /* the number of function names */ | |
75 | ||
76 | /* | |
77 | * flag which marks a nl entry as topologically ``busy'' | |
78 | */ | |
79 | #define DFN_BUSY -1 | |
80 | ||
81 | /* | |
82 | * the number of cycles is estimated as this fraction of nnames | |
83 | * ncycles, the number of allocated cycle namelist entries, | |
84 | * not to be confused with cyclemax, the number of discovered cycles. | |
85 | */ | |
86 | #define CYCLEFRACTION ( 0.10 ) | |
87 | int ncycles; /* maximum allocated cycle headers */ | |
88 | int cyclemax; /* number of cycles discovered */ | |
89 | ||
90 | /* | |
31f0a970 PK |
91 | * The header on the gmon.out file. |
92 | * gmon.out consists of one of these headers, | |
a8242a8d PK |
93 | * and then an array of ncnt samples |
94 | * representing the discretized program counter values. | |
95 | * this should be a struct phdr, but since everything is done | |
96 | * as UNITs, this is in UNITs too. | |
97 | */ | |
98 | struct hdr { | |
99 | UNIT *lowpc; | |
100 | UNIT *highpc; | |
101 | int ncnt; | |
102 | }; | |
103 | ||
104 | struct hdr h; | |
105 | ||
106 | int debug; | |
107 | ||
108 | /* | |
109 | * Each discretized pc sample has | |
110 | * a count of the number of samples in its range | |
111 | */ | |
112 | unsigned UNIT *samples; | |
113 | ||
114 | unsigned lowpc, highpc; /* range profiled */ | |
115 | unsigned sampbytes; /* number of bytes of samples */ | |
116 | int nsamples; /* number of samples */ | |
117 | double actime; /* accumulated time thus far for putprofline */ | |
118 | double totime; /* total time for all routines */ | |
119 | double scale; /* scale factor converting samples to pc | |
120 | values: each sample covers scale bytes */ | |
121 | char *strtab; /* string table in core */ | |
122 | off_t ssiz; /* size of the string table */ | |
123 | struct exec xbuf; /* exec header of a.out */ | |
29da1d26 | 124 | unsigned char *textspace; /* text space of a.out in core */ |
a8242a8d PK |
125 | |
126 | int zflg; | |
29da1d26 | 127 | int cflag; |
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128 | |
129 | /* | |
130 | * booleans | |
131 | */ | |
132 | typedef int bool; | |
133 | #define FALSE 0 | |
134 | #define TRUE 1 | |
135 | ||
136 | int timecmp(); | |
137 | int valcmp(); | |
138 | int totalcmp(); | |
139 | ||
140 | nltype *nllookup(); | |
141 | arctype *arclookup(); | |
142 | bool dfn_busy(); | |
143 | ||
144 | #define LESSTHAN -1 | |
145 | #define EQUALTO 0 | |
146 | #define GREATERTHAN 1 | |
147 | ||
148 | #define DFNDEBUG 1 | |
149 | #define CYCLEDEBUG 2 | |
150 | #define ARCDEBUG 4 | |
151 | #define TALLYDEBUG 8 | |
152 | #define TIMEDEBUG 16 | |
153 | #define SAMPLEDEBUG 32 | |
154 | #define AOUTDEBUG 64 | |
29da1d26 PK |
155 | #define CALLSDEBUG 128 |
156 | #define LOOKUPDEBUG 256 | |
157 | #define ANYDEBUG 512 |