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33 * @(#)gprof.h 8.1 (Berkeley) 6/6/93
34 * $DragonFly: src/usr.bin/gprof/gprof.h,v 1.4 2007/11/25 01:28:23 swildner Exp $
37 #include <sys/types.h>
86 typedef u_short UNIT; /* unit of profiling */
88 #define UNITS_TO_CODE (OFFSET_OF_CODE / sizeof(UNIT))
91 #define A_OUTNAME "a.out"
94 #define GMONSUM "gmon.sum"
98 * with pointers to the namelist entry of the parent and the child,
99 * a count of how many times this arc was traversed,
100 * and pointers to the next parent of this child and
101 * the next child of this parent.
104 struct nl *arc_parentp; /* pointer to parent's nl entry */
105 struct nl *arc_childp; /* pointer to child's nl entry */
106 long arc_count; /* num calls from parent to child */
107 double arc_time; /* time inherited along arc */
108 double arc_childtime; /* childtime inherited along arc */
109 struct arcstruct *arc_parentlist; /* parents-of-this-child list */
110 struct arcstruct *arc_childlist; /* children-of-this-parent list */
111 struct arcstruct *arc_next; /* list of arcs on cycle */
112 unsigned short arc_cyclecnt; /* num cycles involved in */
113 unsigned short arc_flags; /* see below */
115 typedef struct arcstruct arctype;
120 #define DEADARC 0x01 /* time should not propagate across the arc */
121 #define ONLIST 0x02 /* arc is on list of arcs in cycles */
125 * for each external in the specified file we gather
126 * its address, the number of calls and compute its share of cpu time.
129 const char *name; /* the name */
130 unsigned long value; /* the pc entry point */
131 unsigned long svalue; /* entry point aligned to histograms */
132 double time; /* ticks in this routine */
133 double childtime; /* cumulative ticks in children */
134 long ncall; /* how many times called */
135 long npropcall; /* times called by live arcs */
136 long selfcalls; /* how many calls to self */
137 double propfraction; /* what % of time propagates */
138 double propself; /* how much self time propagates */
139 double propchild; /* how much child time propagates */
140 short printflag; /* should this be printed? */
141 short flags; /* see below */
142 int index; /* index in the graph list */
143 int toporder; /* graph call chain top-sort order */
144 int cycleno; /* internal number of cycle on */
145 int parentcnt; /* number of live parent arcs */
146 struct nl *cyclehead; /* pointer to head of cycle */
147 struct nl *cnext; /* pointer to next member of cycle */
148 arctype *parents; /* list of caller arcs */
149 arctype *children; /* list of callee arcs */
151 typedef struct nl nltype;
153 nltype *nl; /* the whole namelist */
154 nltype *npe; /* the virtual end of the namelist */
155 int nname; /* the number of function names */
157 #define HASCYCLEXIT 0x08 /* node has arc exiting from cycle */
158 #define CYCLEHEAD 0x10 /* node marked as head of a cycle */
159 #define VISITED 0x20 /* node visited during a cycle */
163 * for each subcycle within an identified cycle, we gather
164 * its size and the list of included arcs.
167 int size; /* length of cycle */
168 struct cl *next; /* next member of list */
169 arctype *list[1]; /* list of arcs in cycle */
170 /* actually longer */
172 typedef struct cl cltype;
174 arctype *archead; /* the head of arcs in current cycle list */
175 cltype *cyclehead; /* the head of the list */
176 int cyclecnt; /* the number of cycles found */
177 #define CYCLEMAX 100 /* maximum cycles before cutting one of them */
180 * flag which marks a nl entry as topologically ``busy''
181 * flag which marks a nl entry as topologically ``not_numbered''
187 * namelist entries for cycle headers.
188 * the number of discovered cycles.
190 nltype *cyclenl; /* cycle header namelist */
191 int ncycle; /* number of cycles discovered */
194 * The header on the gmon.out file.
195 * gmon.out consists of a struct phdr (defined in gmon.h)
196 * and then an array of ncnt samples representing the
197 * discretized program counter values.
199 * Backward compatible old style header
210 * Each discretized pc sample has
211 * a count of the number of samples in its range
215 unsigned long s_lowpc; /* lowpc from the profile file */
216 unsigned long s_highpc; /* highpc from the profile file */
217 unsigned long lowpc, highpc; /* range profiled, in UNIT's */
218 unsigned sampbytes; /* number of bytes of samples */
219 int nsamples; /* number of samples */
220 double actime; /* accumulated time thus far for putprofline */
221 double totime; /* total time for all routines */
222 double printtime; /* total of time being printed */
223 double scale; /* scale factor converting samples to pc
224 values: each sample covers scale bytes */
225 unsigned char *textspace; /* text space of a.out in core */
226 int cyclethreshold; /* with -C, minimum cycle size to ignore */
229 * option flags, from a to z.
231 bool aflag; /* suppress static functions */
232 bool bflag; /* blurbs, too */
233 bool cflag; /* discovered call graph, too */
234 bool Cflag; /* find cut-set to eliminate cycles */
235 bool dflag; /* debugging options */
236 bool eflag; /* specific functions excluded */
237 bool Eflag; /* functions excluded with time */
238 bool fflag; /* specific functions requested */
239 bool Fflag; /* functions requested with time */
240 bool kflag; /* arcs to be deleted */
241 bool sflag; /* sum multiple gmon.out files */
242 bool uflag; /* suppress symbols hidden from C */
243 bool zflag; /* zero time/called functions, too */
246 * structure for various string lists
249 struct stringlist *next;
252 struct stringlist *elist;
253 struct stringlist *Elist;
254 struct stringlist *flist;
255 struct stringlist *Flist;
256 struct stringlist *kfromlist;
257 struct stringlist *ktolist;
260 * function declarations
265 int aout_getnfile(const char *, char ***);
267 arctype *arclookup();
288 int elf_getnfile(const char *, char ***);
305 long operandlength();
306 operandenum operandmode();
318 unsigned long reladdr();
334 #define GREATERTHAN 1
341 #define SAMPLEDEBUG 32
343 #define CALLDEBUG 128
344 #define LOOKUPDEBUG 256
345 #define PROPDEBUG 512
346 #define BREAKCYCLE 1024
347 #define SUBCYCLELIST 2048
348 #define ANYDEBUG 4096