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* gmon.h, gprof.h: structs of chars used to hold external
representations. * gprof.c (getpfile, openpfile, readsamples): Swap data in using new structures.
This commit is contained in:
Steve Chamberlain
parent
3ef6f6045e
commit
73fbbeead4
@ -1,3 +1,10 @@
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Wed Jun 16 12:54:53 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
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* gmon.h, gprof.h: structs of chars used to hold external
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representations.
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* gprof.c (getpfile, openpfile, readsamples): Swap data in using
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new structures.
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Tue Jun 15 23:09:17 1993 Ken Raeburn (raeburn@cambridge.cygnus.com)
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* Makefile.in (.c.o): Look in ../include, not ../bfd, for bfd.h.
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@ -98,6 +98,12 @@ struct rawarc {
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long raw_count;
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};
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struct veryrawarc {
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char raw_frompc[4];
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char raw_selfpc[4];
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char raw_count[4];
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};
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/*
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* general rounding functions.
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*/
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@ -339,6 +339,7 @@ getpfile(filename)
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FILE *pfile;
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FILE *openpfile();
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struct rawarc arc;
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struct veryrawarc rawarc;
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pfile = openpfile(filename);
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readsamples(pfile);
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@ -346,10 +347,10 @@ getpfile(filename)
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* the rest of the file consists of
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* a bunch of <from,self,count> tuples.
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*/
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while ( fread( &arc , sizeof arc , 1 , pfile ) == 1 ) {
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arc.raw_frompc = bfd_get_32 (abfd, (bfd_byte *) &arc.raw_frompc);
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arc.raw_selfpc = bfd_get_32 (abfd, (bfd_byte *) &arc.raw_selfpc);
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arc.raw_count = bfd_get_32 (abfd, (bfd_byte *) &arc.raw_count);
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while ( fread( &rawarc , sizeof rawarc , 1 , pfile ) == 1 ) {
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arc.raw_frompc = bfd_get_32 (abfd, (bfd_byte *) rawarc.raw_frompc);
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arc.raw_selfpc = bfd_get_32 (abfd, (bfd_byte *) rawarc.raw_selfpc);
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arc.raw_count = bfd_get_32 (abfd, (bfd_byte *) rawarc.raw_count);
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# ifdef DEBUG
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if ( debug & SAMPLEDEBUG ) {
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printf( "[getpfile] frompc 0x%x selfpc 0x%x count %d\n" ,
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@ -369,16 +370,21 @@ openpfile(filename)
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char *filename;
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{
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struct hdr tmp;
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struct rawhdr raw;
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FILE *pfile;
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if((pfile = fopen(filename, "r")) == NULL) {
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perror(filename);
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done();
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}
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fread(&tmp, sizeof(struct hdr), 1, pfile);
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tmp.lowpc = (UNIT *)bfd_get_32 (abfd, (bfd_byte *) &tmp.lowpc);
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tmp.highpc = (UNIT *)bfd_get_32 (abfd, (bfd_byte *) &tmp.highpc);
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tmp.ncnt = bfd_get_32 (abfd, (bfd_byte *) &tmp.ncnt);
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if (sizeof(struct rawhdr) != fread(&raw, 1, sizeof(struct rawhdr), pfile))
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{
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fprintf(stderr, "%s: file too short to be a gmon file\n", filename);
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done();
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}
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tmp.lowpc = (UNIT *)bfd_get_32 (abfd, (bfd_byte *) &raw.lowpc[0]);
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tmp.highpc = (UNIT *)bfd_get_32 (abfd, (bfd_byte *) &raw.highpc[0]);
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tmp.ncnt = bfd_get_32 (abfd, (bfd_byte *) &raw.ncnt[0]);
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if ( s_highpc != 0 && ( tmp.lowpc != h.lowpc ||
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tmp.highpc != h.highpc || tmp.ncnt != h.ncnt ) ) {
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@ -390,7 +396,7 @@ openpfile(filename)
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s_highpc = (unsigned long) h.highpc;
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lowpc = (unsigned long)h.lowpc / sizeof(UNIT);
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highpc = (unsigned long)h.highpc / sizeof(UNIT);
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sampbytes = h.ncnt - sizeof(struct hdr);
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sampbytes = h.ncnt - sizeof(struct rawhdr);
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nsamples = sampbytes / sizeof (UNIT);
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# ifdef DEBUG
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if ( debug & SAMPLEDEBUG ) {
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@ -497,31 +503,33 @@ valcmp(p1, p2)
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readsamples(pfile)
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FILE *pfile;
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{
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register i;
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UNIT sample;
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register i;
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if (samples == 0) {
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samples = (int *) calloc (nsamples, sizeof(int));
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if (samples == 0) {
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samples = (UNIT *) malloc (sampbytes * sizeof(UNIT));
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if (samples == 0) {
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fprintf( stderr , "%s: No room for %d sample pc's\n",
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whoami , sampbytes / sizeof (UNIT));
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done();
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}
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memset (samples, 0, sampbytes * sizeof(UNIT));
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fprintf( stderr , "%s: No room for %d sample pc's\n",
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whoami , nsamples);
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done();
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}
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for (i = 0; i < nsamples; i++) {
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fread(&sample, sizeof (UNIT), 1, pfile);
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sample = bfd_get_16 (abfd, (bfd_byte *) &sample);
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if (feof(pfile))
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break;
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samples[i] += sample;
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}
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if (i != nsamples) {
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fprintf(stderr,
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}
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for (i = 0; i < nsamples; i++) {
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UNIT raw;
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int value;
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fread(raw, sizeof (raw), 1, pfile);
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value = bfd_get_16 (abfd, (bfd_byte *) raw);
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if (feof(pfile))
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break;
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samples[i] += value;
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}
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if (i != nsamples) {
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fprintf(stderr,
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"%s: unexpected EOF after reading %d/%d samples\n",
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whoami , --i , nsamples );
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done();
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}
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whoami , --i , nsamples );
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done();
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}
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}
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/*
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@ -559,7 +567,7 @@ readsamples(pfile)
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asgnsamples()
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{
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register int j;
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UNIT ccnt;
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int ccnt;
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double time;
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unsigned long pcl, pch;
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register int i;
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@ -59,7 +59,7 @@ typedef int bool;
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*/
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long hz;
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typedef unsigned short UNIT; /* unit of profiling */
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typedef unsigned char UNIT[2]; /* unit of profiling */
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char *a_outname;
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#define A_OUTNAME "a.out"
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@ -147,6 +147,13 @@ struct hdr {
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int ncnt;
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};
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struct rawhdr {
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char lowpc[4];
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char highpc[4];
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char ncnt[4];
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};
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struct hdr h;
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int debug;
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@ -155,7 +162,7 @@ int debug;
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* Each discretized pc sample has
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* a count of the number of samples in its range
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*/
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UNIT *samples;
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int *samples;
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unsigned long s_lowpc; /* lowpc from the profile file */
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unsigned long s_highpc; /* highpc from the profile file */
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