311 lines
8.4 KiB
C
311 lines
8.4 KiB
C
/*
|
|
* Copyright (c) 1983 Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: @(#)gprof.h 5.10 (Berkeley) 4/24/91
|
|
* $Id: gprof.h,v 1.7 1994/03/09 00:40:39 cgd Exp $
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <a.out.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include "gmon.h"
|
|
|
|
#ifdef vax
|
|
# include "vax.h"
|
|
#endif
|
|
#ifdef sun
|
|
# include "sun.h"
|
|
#endif
|
|
#ifdef tahoe
|
|
# include "tahoe.h"
|
|
#endif
|
|
#ifdef m68k
|
|
# include "m68k.h"
|
|
#endif
|
|
#ifdef i386
|
|
# include "i386.h"
|
|
#endif
|
|
#ifdef sparc
|
|
# include "sparc.h"
|
|
#endif
|
|
#ifdef ns32k
|
|
# include "ns32k.h"
|
|
#endif
|
|
|
|
/*
|
|
* who am i, for error messages.
|
|
*/
|
|
char *whoami;
|
|
|
|
/*
|
|
* booleans
|
|
*/
|
|
typedef int bool;
|
|
#define FALSE 0
|
|
#define TRUE 1
|
|
|
|
/*
|
|
* ticks per second
|
|
*/
|
|
long hz;
|
|
|
|
typedef u_short UNIT; /* unit of profiling */
|
|
char *a_outname;
|
|
#define A_OUTNAME "a.out"
|
|
|
|
char *gmonname;
|
|
#define GMONNAME "gmon.out"
|
|
#define GMONSUM "gmon.sum"
|
|
|
|
/*
|
|
* a constructed arc,
|
|
* with pointers to the namelist entry of the parent and the child,
|
|
* a count of how many times this arc was traversed,
|
|
* and pointers to the next parent of this child and
|
|
* the next child of this parent.
|
|
*/
|
|
struct arcstruct {
|
|
struct nl *arc_parentp; /* pointer to parent's nl entry */
|
|
struct nl *arc_childp; /* pointer to child's nl entry */
|
|
long arc_count; /* how calls from parent to child */
|
|
double arc_time; /* time inherited along arc */
|
|
double arc_childtime; /* childtime inherited along arc */
|
|
struct arcstruct *arc_parentlist; /* parents-of-this-child list */
|
|
struct arcstruct *arc_childlist; /* children-of-this-parent list */
|
|
};
|
|
typedef struct arcstruct arctype;
|
|
|
|
/*
|
|
* The symbol table;
|
|
* for each external in the specified file we gather
|
|
* its address, the number of calls and compute its share of cpu time.
|
|
*/
|
|
struct nl {
|
|
char *name; /* the name */
|
|
unsigned long value; /* the pc entry point */
|
|
unsigned long svalue; /* entry point aligned to histograms */
|
|
double time; /* ticks in this routine */
|
|
double childtime; /* cumulative ticks in children */
|
|
long ncall; /* how many times called */
|
|
long selfcalls; /* how many calls to self */
|
|
double propfraction; /* what % of time propagates */
|
|
double propself; /* how much self time propagates */
|
|
double propchild; /* how much child time propagates */
|
|
bool printflag; /* should this be printed? */
|
|
int index; /* index in the graph list */
|
|
int toporder; /* graph call chain top-sort order */
|
|
int cycleno; /* internal number of cycle on */
|
|
struct nl *cyclehead; /* pointer to head of cycle */
|
|
struct nl *cnext; /* pointer to next member of cycle */
|
|
arctype *parents; /* list of caller arcs */
|
|
arctype *children; /* list of callee arcs */
|
|
};
|
|
typedef struct nl nltype;
|
|
|
|
nltype *nl; /* the whole namelist */
|
|
nltype *npe; /* the virtual end of the namelist */
|
|
int nname; /* the number of function names */
|
|
|
|
/*
|
|
* flag which marks a nl entry as topologically ``busy''
|
|
* flag which marks a nl entry as topologically ``not_numbered''
|
|
*/
|
|
#define DFN_BUSY -1
|
|
#define DFN_NAN 0
|
|
|
|
/*
|
|
* namelist entries for cycle headers.
|
|
* the number of discovered cycles.
|
|
*/
|
|
nltype *cyclenl; /* cycle header namelist */
|
|
int ncycle; /* number of cycles discovered */
|
|
|
|
/*
|
|
* The header on the gmon.out file.
|
|
* gmon.out consists of one of these headers,
|
|
* and then an array of ncnt samples
|
|
* representing the discretized program counter values.
|
|
* this should be a struct phdr, but since everything is done
|
|
* as UNITs, this is in UNITs too.
|
|
*/
|
|
struct hdr {
|
|
UNIT *lowpc;
|
|
UNIT *highpc;
|
|
int ncnt;
|
|
};
|
|
|
|
struct hdr h;
|
|
|
|
int debug;
|
|
|
|
/*
|
|
* Each discretized pc sample has
|
|
* a count of the number of samples in its range
|
|
*/
|
|
UNIT *samples;
|
|
|
|
unsigned long s_lowpc; /* lowpc from the profile file */
|
|
unsigned long s_highpc; /* highpc from the profile file */
|
|
unsigned lowpc, highpc; /* range profiled, in UNIT's */
|
|
unsigned sampbytes; /* number of bytes of samples */
|
|
int nsamples; /* number of samples */
|
|
double actime; /* accumulated time thus far for putprofline */
|
|
double totime; /* total time for all routines */
|
|
double printtime; /* total of time being printed */
|
|
double scale; /* scale factor converting samples to pc
|
|
values: each sample covers scale bytes */
|
|
char *strtab; /* string table in core */
|
|
off_t ssiz; /* size of the string table */
|
|
struct exec xbuf; /* exec header of a.out */
|
|
unsigned char *textspace; /* text space of a.out in core */
|
|
|
|
/*
|
|
* option flags, from a to z.
|
|
*/
|
|
bool aflag; /* suppress static functions */
|
|
bool bflag; /* blurbs, too */
|
|
bool cflag; /* discovered call graph, too */
|
|
bool dflag; /* debugging options */
|
|
bool eflag; /* specific functions excluded */
|
|
bool Eflag; /* functions excluded with time */
|
|
bool fflag; /* specific functions requested */
|
|
bool Fflag; /* functions requested with time */
|
|
bool kflag; /* arcs to be deleted */
|
|
bool sflag; /* sum multiple gmon.out files */
|
|
bool zflag; /* zero time/called functions, too */
|
|
|
|
/*
|
|
* structure for various string lists
|
|
*/
|
|
struct stringlist {
|
|
struct stringlist *next;
|
|
char *string;
|
|
};
|
|
struct stringlist *elist;
|
|
struct stringlist *Elist;
|
|
struct stringlist *flist;
|
|
struct stringlist *Flist;
|
|
struct stringlist *kfromlist;
|
|
struct stringlist *ktolist;
|
|
|
|
/*
|
|
* function declarations
|
|
*/
|
|
/*
|
|
addarc();
|
|
*/
|
|
int arccmp();
|
|
arctype *arclookup();
|
|
/*
|
|
asgnsamples();
|
|
printblurb();
|
|
cyclelink();
|
|
dfn();
|
|
*/
|
|
bool dfn_busy();
|
|
/*
|
|
dfn_findcycle();
|
|
*/
|
|
bool dfn_numbered();
|
|
/*
|
|
dfn_post_visit();
|
|
dfn_pre_visit();
|
|
dfn_self_cycle();
|
|
*/
|
|
nltype **doarcs();
|
|
/*
|
|
done();
|
|
findcalls();
|
|
flatprofheader();
|
|
flatprofline();
|
|
*/
|
|
bool funcsymbol();
|
|
/*
|
|
getnfile();
|
|
getpfile();
|
|
getstrtab();
|
|
getsymtab();
|
|
gettextspace();
|
|
gprofheader();
|
|
gprofline();
|
|
main();
|
|
*/
|
|
unsigned long max();
|
|
int membercmp();
|
|
unsigned long min();
|
|
nltype *nllookup();
|
|
FILE *openpfile();
|
|
long operandlength();
|
|
operandenum operandmode();
|
|
char *operandname();
|
|
/*
|
|
printchildren();
|
|
printcycle();
|
|
printgprof();
|
|
printmembers();
|
|
printname();
|
|
printparents();
|
|
printprof();
|
|
readsamples();
|
|
*/
|
|
unsigned long reladdr();
|
|
/*
|
|
sortchildren();
|
|
sortmembers();
|
|
sortparents();
|
|
tally();
|
|
timecmp();
|
|
topcmp();
|
|
*/
|
|
int totalcmp();
|
|
/*
|
|
valcmp();
|
|
*/
|
|
|
|
#define LESSTHAN -1
|
|
#define EQUALTO 0
|
|
#define GREATERTHAN 1
|
|
|
|
#define DFNDEBUG 1
|
|
#define CYCLEDEBUG 2
|
|
#define ARCDEBUG 4
|
|
#define TALLYDEBUG 8
|
|
#define TIMEDEBUG 16
|
|
#define SAMPLEDEBUG 32
|
|
#define AOUTDEBUG 64
|
|
#define CALLDEBUG 128
|
|
#define LOOKUPDEBUG 256
|
|
#define PROPDEBUG 512
|
|
#define ANYDEBUG 1024
|