[deliverable/binutils-gdb.git] / gprof / gmon_io.c

/*
 * Input and output from/to gmon.out files.
 */
#include "cg_arcs.h"
#include "basic_blocks.h"
#include "bfd.h"
#include "corefile.h"
#include "call_graph.h"
#include "gmon_io.h"
#include "gmon_out.h"
#include "gmon.h"		/* fetch header for old format */
#include "gprof.h"
#include "hertz.h"
#include "hist.h"
#include "libiberty.h"

int gmon_input = 0;
int gmon_file_version = 0;	/* 0 == old (non-versioned) file format */

/*
 * This probably ought to be in libbfd.
 */
bfd_vma
DEFUN (get_vma, (abfd, addr), bfd * abfd AND bfd_byte * addr)
{
  switch (sizeof (char*))
    {
    case 4:
      return bfd_get_32 (abfd, addr);
    case 8:
      return bfd_get_64 (abfd, addr);
    default:
      fprintf (stderr, _("%s: bfd_vma has unexpected size of %ld bytes\n"),
	       whoami, (long) sizeof (char*));
      done (1);
    }
}


/*
 * This probably ought to be in libbfd.
 */
void
DEFUN (put_vma, (abfd, val, addr), bfd * abfd AND bfd_vma val AND bfd_byte * addr)
{
  switch (sizeof (char*))
    {
    case 4:
      bfd_put_32 (abfd, val, addr);
      break;
    case 8:
      bfd_put_64 (abfd, val, addr);
      break;
    default:
      fprintf (stderr, _("%s: bfd_vma has unexpected size of %ld bytes\n"),
	       whoami, (long) sizeof (char*));
      done (1);
    }
}


void
DEFUN (gmon_out_read, (filename), const char *filename)
{
  FILE *ifp;
  struct gmon_hdr ghdr;
  unsigned char tag;
  int nhist = 0, narcs = 0, nbbs = 0;

  /* open gmon.out file: */

  if (strcmp (filename, "-") == 0)
    {
      ifp = stdin;
#ifdef SET_BINARY
      SET_BINARY (fileno (stdin));
#endif
    }
  else
    {
      ifp = fopen (filename, FOPEN_RB);
      if (!ifp)
	{
	  perror (filename);
	  done (1);
	}
    }
  if (fread (&ghdr, sizeof (struct gmon_hdr), 1, ifp) != 1)
    {
      fprintf (stderr, _("%s: file too short to be a gmon file\n"),
	       filename);
      done (1);
    }

  if ((file_format == FF_MAGIC) ||
      (file_format == FF_AUTO && !strncmp (&ghdr.cookie[0], GMON_MAGIC, 4)))
    {
      if (file_format == FF_MAGIC && strncmp (&ghdr.cookie[0], GMON_MAGIC, 4))
	{
	  fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
		   whoami, filename);
	  done (1);
	}

      /* right magic, so it's probably really a new gmon.out file */

      gmon_file_version = bfd_get_32 (core_bfd, (bfd_byte *) ghdr.version);
      if (gmon_file_version != GMON_VERSION && gmon_file_version != 0)
	{
	  fprintf (stderr,
		   _("%s: file `%s' has unsupported version %d\n"),
		   whoami, filename, gmon_file_version);
	  done (1);
	}

      /* read in all the records: */
      while (fread (&tag, sizeof (tag), 1, ifp) == 1)
	{
	  switch (tag)
	    {
	    case GMON_TAG_TIME_HIST:
	      ++nhist;
	      gmon_input |= INPUT_HISTOGRAM;
	      hist_read_rec (ifp, filename);
	      break;

	    case GMON_TAG_CG_ARC:
	      ++narcs;
	      gmon_input |= INPUT_CALL_GRAPH;
	      cg_read_rec (ifp, filename);
	      break;

	    case GMON_TAG_BB_COUNT:
	      ++nbbs;
	      gmon_input |= INPUT_BB_COUNTS;
	      bb_read_rec (ifp, filename);
	      break;

	    default:
	      fprintf (stderr,
		       _("%s: %s: found bad tag %d (file corrupted?)\n"),
		       whoami, filename, tag);
	      done (1);
	    }
	}
    }
  else if (file_format == FF_AUTO
	   || file_format == FF_BSD
	   || file_format == FF_BSD44)
    {
      struct hdr
      {
	bfd_vma low_pc;
	bfd_vma high_pc;
	int ncnt;
      };
      int i, samp_bytes, header_size;
      unsigned long count;
      bfd_vma from_pc, self_pc;
      struct raw_arc raw_arc;
      struct raw_phdr raw;
      static struct hdr h;
      UNIT raw_bin_count;
      struct hdr tmp;

      /*
       * Information from a gmon.out file is in two parts: an array of
       * sampling hits within pc ranges, and the arcs.
       */
      gmon_input = INPUT_HISTOGRAM | INPUT_CALL_GRAPH;

      /*
       * This fseek() ought to work even on stdin as long as it's
       * not an interactive device (heck, is there anybody who would
       * want to type in a gmon.out at the terminal?).
       */
      if (fseek (ifp, 0, SEEK_SET) < 0)
	{
	  perror (filename);
	  done (1);
	}
      if (fread (&raw, 1, sizeof (struct raw_phdr), ifp)
	  != sizeof (struct raw_phdr))
	{
	  fprintf (stderr, _("%s: file too short to be a gmon file\n"),
		   filename);
	  done (1);
	}
      tmp.low_pc = get_vma (core_bfd, (bfd_byte *) &raw.low_pc[0]);
      tmp.high_pc = get_vma (core_bfd, (bfd_byte *) &raw.high_pc[0]);
      tmp.ncnt = bfd_get_32 (core_bfd, (bfd_byte *) &raw.ncnt[0]);

      if (bfd_get_32 (core_bfd, (bfd_byte *) &raw.version[0])
	  == GMONVERSION)
	{
	  int profrate;

	  /* 4.4BSD format header.  */

	  profrate = bfd_get_32 (core_bfd, (bfd_byte *) &raw.profrate[0]);
	  if (!s_highpc)
	    hz = profrate;
	  else if (hz != profrate)
	    {
	      fprintf (stderr,
		       _("%s: profiling rate incompatible with first gmon file\n"),
		       filename);
	      done (1);
	    }

	  header_size = sizeof (struct raw_phdr);
	}
      else
	{
	  /* old style BSD format.  */
	  if (file_format == FF_BSD44)
	    {
	      fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
		       whoami, filename);
	      done (1);
	    }

	  if (fseek (ifp, sizeof (struct old_raw_phdr), SEEK_SET) < 0)
	    {
	      perror (filename);
	      done (1);
	    }

	  header_size = sizeof (struct old_raw_phdr);
	}

      if (s_highpc && (tmp.low_pc != h.low_pc ||
		       tmp.high_pc != h.high_pc || tmp.ncnt != h.ncnt))
	{
	  fprintf (stderr, _("%s: incompatible with first gmon file\n"),
		   filename);
	  done (1);
	}
      h = tmp;
      s_lowpc = (bfd_vma) h.low_pc;
      s_highpc = (bfd_vma) h.high_pc;
      lowpc = (bfd_vma) h.low_pc / sizeof (UNIT);
      highpc = (bfd_vma) h.high_pc / sizeof (UNIT);
      samp_bytes = h.ncnt - header_size;
      hist_num_bins = samp_bytes / sizeof (UNIT);
      DBG (SAMPLEDEBUG,
	   printf ("[gmon_out_read] lowpc 0x%lx highpc 0x%lx ncnt %d\n",
		   (unsigned long) h.low_pc, (unsigned long) h.high_pc,
		   h.ncnt);
	   printf ("[gmon_out_read]   s_lowpc 0x%lx   s_highpc 0x%lx\n",
		   (unsigned long) s_lowpc, (unsigned long) s_highpc);
	   printf ("[gmon_out_read]     lowpc 0x%lx     highpc 0x%lx\n",
		   (unsigned long) lowpc, (unsigned long) highpc);
	   printf ("[gmon_out_read] samp_bytes %d hist_num_bins %d\n",
		   samp_bytes, hist_num_bins));

      /* Make sure that we have sensible values.  */
      if (samp_bytes < 0 || lowpc > highpc)
        {
          fprintf (stderr, 
	    _("%s: file '%s' does not appear to be in gmon.out format\n"),
	    whoami, filename);
          done (1);
        }

      if (hist_num_bins)
	{
	  ++nhist;
	}

      if (!hist_sample)
	{
	  hist_sample =
	    (int *) xmalloc (hist_num_bins * sizeof (hist_sample[0]));
	  memset (hist_sample, 0, hist_num_bins * sizeof (hist_sample[0]));
	}

      for (i = 0; i < hist_num_bins; ++i)
	{
	  if (fread (raw_bin_count, sizeof (raw_bin_count), 1, ifp) != 1)
	    {
	      fprintf (stderr,
		       _("%s: unexpected EOF after reading %d/%d bins\n"),
		       whoami, --i, hist_num_bins);
	      done (1);
	    }
	  hist_sample[i] += bfd_get_16 (core_bfd, (bfd_byte *) raw_bin_count);
	}

      /*
       * The rest of the file consists of a bunch of <from,self,count>
       * tuples:
       */
      while (fread (&raw_arc, sizeof (raw_arc), 1, ifp) == 1)
	{
	  ++narcs;
	  from_pc = get_vma (core_bfd, (bfd_byte *) raw_arc.from_pc);
	  self_pc = get_vma (core_bfd, (bfd_byte *) raw_arc.self_pc);
	  count = bfd_get_32 (core_bfd, (bfd_byte *) raw_arc.count);
	  DBG (SAMPLEDEBUG,
	     printf ("[gmon_out_read] frompc 0x%lx selfpc 0x%lx count %lu\n",
		     (unsigned long) from_pc, (unsigned long) self_pc, count));
	  /* add this arc: */
	  cg_tally (from_pc, self_pc, count);
	}
      fclose (ifp);

      if (hz == HZ_WRONG)
	{
	  /*
	   * How many ticks per second?  If we can't tell, report
	   * time in ticks.
	   */
	  hz = hertz ();
	  if (hz == HZ_WRONG)
	    {
	      hz = 1;
	      fprintf (stderr, _("time is in ticks, not seconds\n"));
	    }
	}
    }
  else
    {
      fprintf (stderr, _("%s: don't know how to deal with file format %d\n"),
	       whoami, file_format);
      done (1);
    }

  if (output_style & STYLE_GMON_INFO)
    {
      printf (_("File `%s' (version %d) contains:\n"),
	      filename, gmon_file_version);
      printf (_("\t%d histogram record%s\n"),
	      nhist, nhist == 1 ? "" : "s");
      printf (_("\t%d call-graph record%s\n"),
	      narcs, narcs == 1 ? "" : "s");
      printf (_("\t%d basic-block count record%s\n"),
	      nbbs, nbbs == 1 ? "" : "s");
      first_output = FALSE;
    }
}


void
DEFUN (gmon_out_write, (filename), const char *filename)
{
  FILE *ofp;
  struct gmon_hdr ghdr;

  ofp = fopen (filename, FOPEN_WB);
  if (!ofp)
    {
      perror (filename);
      done (1);
    }

  if (file_format == FF_AUTO || file_format == FF_MAGIC)
    {
      /* write gmon header: */

      memcpy (&ghdr.cookie[0], GMON_MAGIC, 4);
      bfd_put_32 (core_bfd, GMON_VERSION, (bfd_byte *) ghdr.version);
      if (fwrite (&ghdr, sizeof (ghdr), 1, ofp) != 1)
	{
	  perror (filename);
	  done (1);
	}

      /* write execution time histogram if we have one: */
      if (gmon_input & INPUT_HISTOGRAM)
	{
	  hist_write_hist (ofp, filename);
	}

      /* write call graph arcs if we have any: */
      if (gmon_input & INPUT_CALL_GRAPH)
	{
	  cg_write_arcs (ofp, filename);
	}

      /* write basic-block info if we have it: */
      if (gmon_input & INPUT_BB_COUNTS)
	{
	  bb_write_blocks (ofp, filename);
	}
    }
  else if (file_format == FF_BSD || file_format == FF_BSD44)
    {
      struct raw_arc raw_arc;
      UNIT raw_bin_count;
      struct raw_phdr h;
      int i;
      Arc *arc;
      Sym *sym;

      memset (&h, 0, sizeof h);
      put_vma (core_bfd, s_lowpc, (bfd_byte *) &h.low_pc);
      put_vma (core_bfd, s_highpc, (bfd_byte *) &h.high_pc);
      bfd_put_32 (core_bfd,
		  hist_num_bins * sizeof (UNIT) + sizeof (struct raw_phdr),
		  (bfd_byte *) &h.ncnt);

      /* Write header.  Use new style BSD format is explicitly
         specified, or if the profiling rate is non-standard;
         otherwise, use the old BSD format.  */
      if (file_format == FF_BSD44
	  || hz != hertz ())
	{
	  bfd_put_32 (core_bfd, GMONVERSION, (bfd_byte *) &h.version);
	  bfd_put_32 (core_bfd, hz, (bfd_byte *) &h.profrate);
	  if (fwrite (&h, sizeof (struct raw_phdr), 1, ofp) != 1)
	    {
	      perror (filename);
	      done (1);
	    }
	}
      else
	{
	  if (fwrite (&h, sizeof (struct old_raw_phdr), 1, ofp) != 1)
	    {
	      perror (filename);
	      done (1);
	    }
	}

      /* dump the samples: */

      for (i = 0; i < hist_num_bins; ++i)
	{
	  bfd_put_16 (core_bfd, hist_sample[i], (bfd_byte *) & raw_bin_count[0]);
	  if (fwrite (&raw_bin_count[0], sizeof (raw_bin_count), 1, ofp) != 1)
	    {
	      perror (filename);
	      done (1);
	    }
	}

      /* dump the normalized raw arc information: */

      for (sym = symtab.base; sym < symtab.limit; ++sym)
	{
	  for (arc = sym->cg.children; arc; arc = arc->next_child)
	    {
	      put_vma (core_bfd, arc->parent->addr,
		       (bfd_byte *) raw_arc.from_pc);
	      put_vma (core_bfd, arc->child->addr,
		       (bfd_byte *) raw_arc.self_pc);
	      bfd_put_32 (core_bfd, arc->count, (bfd_byte *) raw_arc.count);
	      if (fwrite (&raw_arc, sizeof (raw_arc), 1, ofp) != 1)
		{
		  perror (filename);
		  done (1);
		}
	      DBG (SAMPLEDEBUG,
		   printf ("[dumpsum] frompc 0x%lx selfpc 0x%lx count %lu\n",
			   (unsigned long) arc->parent->addr,
			   (unsigned long) arc->child->addr, arc->count));
	    }
	}
      fclose (ofp);
    }
  else
    {
      fprintf (stderr, _("%s: don't know how to deal with file format %d\n"),
	       whoami, file_format);
      done (1);
    }
}
Commit	Line	Data
252b5132 RH	1	/*
	2	* Input and output from/to gmon.out files.
	3	*/
	4	#include "cg_arcs.h"
	5	#include "basic_blocks.h"
	6	#include "bfd.h"
	7	#include "corefile.h"
	8	#include "call_graph.h"
	9	#include "gmon_io.h"
	10	#include "gmon_out.h"
	11	#include "gmon.h" /* fetch header for old format */
	12	#include "gprof.h"
	13	#include "hertz.h"
	14	#include "hist.h"
	15	#include "libiberty.h"
	16
	17	int gmon_input = 0;
	18	int gmon_file_version = 0; /* 0 == old (non-versioned) file format */
	19
	20	/*
	21	* This probably ought to be in libbfd.
	22	*/
	23	bfd_vma
	24	DEFUN (get_vma, (abfd, addr), bfd * abfd AND bfd_byte * addr)
	25	{
	26	switch (sizeof (char*))
	27	{
	28	case 4:
	29	return bfd_get_32 (abfd, addr);
	30	case 8:
	31	return bfd_get_64 (abfd, addr);
	32	default:
	33	fprintf (stderr, _("%s: bfd_vma has unexpected size of %ld bytes\n"),
	34	whoami, (long) sizeof (char*));
	35	done (1);
	36	}
	37	}
	38
	39
	40	/*
	41	* This probably ought to be in libbfd.
	42	*/
	43	void
	44	DEFUN (put_vma, (abfd, val, addr), bfd * abfd AND bfd_vma val AND bfd_byte * addr)
	45	{
	46	switch (sizeof (char*))
	47	{
	48	case 4:
	49	bfd_put_32 (abfd, val, addr);
	50	break;
	51	case 8:
	52	bfd_put_64 (abfd, val, addr);
	53	break;
	54	default:
	55	fprintf (stderr, _("%s: bfd_vma has unexpected size of %ld bytes\n"),
	56	whoami, (long) sizeof (char*));
	57	done (1);
	58	}
	59	}
	60
	61
	62	void
	63	DEFUN (gmon_out_read, (filename), const char *filename)
	64	{
65	FILE *ifp;
66	struct gmon_hdr ghdr;
67	unsigned char tag;
68	int nhist = 0, narcs = 0, nbbs = 0;
69
70	/* open gmon.out file: */
71
72	if (strcmp (filename, "-") == 0)
73	{
74	ifp = stdin;
5af11cab AM	75	#ifdef SET_BINARY
	76	SET_BINARY (fileno (stdin));
	77	#endif
252b5132 RH	78	}
	79	else
	80	{
	81	ifp = fopen (filename, FOPEN_RB);
	82	if (!ifp)
	83	{
	84	perror (filename);
	85	done (1);
	86	}
	87	}
	88	if (fread (&ghdr, sizeof (struct gmon_hdr), 1, ifp) != 1)
	89	{
	90	fprintf (stderr, _("%s: file too short to be a gmon file\n"),
	91	filename);
	92	done (1);
	93	}
	94
	95	if ((file_format == FF_MAGIC) \|\|
	96	(file_format == FF_AUTO && !strncmp (&ghdr.cookie[0], GMON_MAGIC, 4)))
	97	{
	98	if (file_format == FF_MAGIC && strncmp (&ghdr.cookie[0], GMON_MAGIC, 4))
	99	{
	100	fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
	101	whoami, filename);
	102	done (1);
	103	}
	104
	105	/* right magic, so it's probably really a new gmon.out file */
	106
	107	gmon_file_version = bfd_get_32 (core_bfd, (bfd_byte *) ghdr.version);
	108	if (gmon_file_version != GMON_VERSION && gmon_file_version != 0)
	109	{
	110	fprintf (stderr,
	111	_("%s: file `%s' has unsupported version %d\n"),
	112	whoami, filename, gmon_file_version);
	113	done (1);
	114	}
	115
	116	/* read in all the records: */
	117	while (fread (&tag, sizeof (tag), 1, ifp) == 1)
	118	{
	119	switch (tag)
	120	{
	121	case GMON_TAG_TIME_HIST:
	122	++nhist;
	123	gmon_input \|= INPUT_HISTOGRAM;
	124	hist_read_rec (ifp, filename);
	125	break;
	126
	127	case GMON_TAG_CG_ARC:
	128	++narcs;
	129	gmon_input \|= INPUT_CALL_GRAPH;
	130	cg_read_rec (ifp, filename);
	131	break;
	132
	133	case GMON_TAG_BB_COUNT:
	134	++nbbs;
	135	gmon_input \|= INPUT_BB_COUNTS;
	136	bb_read_rec (ifp, filename);
	137	break;
	138
	139	default:
	140	fprintf (stderr,
	141	_("%s: %s: found bad tag %d (file corrupted?)\n"),
142	whoami, filename, tag);
143	done (1);
144	}
145	}
146	}
147	else if (file_format == FF_AUTO
148	\|\| file_format == FF_BSD
149	\|\| file_format == FF_BSD44)
150	{
151	struct hdr
152	{
153	bfd_vma low_pc;
154	bfd_vma high_pc;
155	int ncnt;
156	};
157	int i, samp_bytes, header_size;
158	unsigned long count;
159	bfd_vma from_pc, self_pc;
160	struct raw_arc raw_arc;
161	struct raw_phdr raw;
162	static struct hdr h;
163	UNIT raw_bin_count;
164	struct hdr tmp;
165
166	/*
167	* Information from a gmon.out file is in two parts: an array of
168	* sampling hits within pc ranges, and the arcs.
169	*/
170	gmon_input = INPUT_HISTOGRAM \| INPUT_CALL_GRAPH;
171
172	/*
173	* This fseek() ought to work even on stdin as long as it's
174	* not an interactive device (heck, is there anybody who would
175	* want to type in a gmon.out at the terminal?).
176	*/
177	if (fseek (ifp, 0, SEEK_SET) < 0)
178	{
179	perror (filename);
180	done (1);
181	}
182	if (fread (&raw, 1, sizeof (struct raw_phdr), ifp)
183	!= sizeof (struct raw_phdr))
184	{
185	fprintf (stderr, _("%s: file too short to be a gmon file\n"),
186	filename);
187	done (1);
188	}
189	tmp.low_pc = get_vma (core_bfd, (bfd_byte *) &raw.low_pc[0]);
190	tmp.high_pc = get_vma (core_bfd, (bfd_byte *) &raw.high_pc[0]);
191	tmp.ncnt = bfd_get_32 (core_bfd, (bfd_byte *) &raw.ncnt[0]);
192
193	if (bfd_get_32 (core_bfd, (bfd_byte *) &raw.version[0])
194	== GMONVERSION)
195	{
196	int profrate;
197
198	/* 4.4BSD format header. */
199
200	profrate = bfd_get_32 (core_bfd, (bfd_byte *) &raw.profrate[0]);
201	if (!s_highpc)
202	hz = profrate;
203	else if (hz != profrate)
204	{
205	fprintf (stderr,
206	_("%s: profiling rate incompatible with first gmon file\n"),
207	filename);
208	done (1);
209	}
210
211	header_size = sizeof (struct raw_phdr);
212	}
213	else
214	{
215	/* old style BSD format. */
216	if (file_format == FF_BSD44)
217	{
218	fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
219	whoami, filename);
220	done (1);
221	}
222
223	if (fseek (ifp, sizeof (struct old_raw_phdr), SEEK_SET) < 0)
224	{
225	perror (filename);
226	done (1);
227	}
228
229	header_size = sizeof (struct old_raw_phdr);
230	}
231
232	if (s_highpc && (tmp.low_pc != h.low_pc \|\|
233	tmp.high_pc != h.high_pc \|\| tmp.ncnt != h.ncnt))
234	{
235	fprintf (stderr, _("%s: incompatible with first gmon file\n"),
236	filename);
237	done (1);
238	}
239	h = tmp;
240	s_lowpc = (bfd_vma) h.low_pc;
241	s_highpc = (bfd_vma) h.high_pc;
242	lowpc = (bfd_vma) h.low_pc / sizeof (UNIT);
243	highpc = (bfd_vma) h.high_pc / sizeof (UNIT);
244	samp_bytes = h.ncnt - header_size;
245	hist_num_bins = samp_bytes / sizeof (UNIT);
246	DBG (SAMPLEDEBUG,
247	printf ("[gmon_out_read] lowpc 0x%lx highpc 0x%lx ncnt %d\n",
fdcf7d43 ILT	248	(unsigned long) h.low_pc, (unsigned long) h.high_pc,
fdcf7d43 ILT	249	h.ncnt);
252b5132	250	printf ("[gmon_out_read] s_lowpc 0x%lx s_highpc 0x%lx\n",
fdcf7d43	251	(unsigned long) s_lowpc, (unsigned long) s_highpc);
252b5132	252	printf ("[gmon_out_read] lowpc 0x%lx highpc 0x%lx\n",
fdcf7d43	253	(unsigned long) lowpc, (unsigned long) highpc);
252b5132 RH	254	printf ("[gmon_out_read] samp_bytes %d hist_num_bins %d\n",
	255	samp_bytes, hist_num_bins));
	256
2d35e9f6 NC	257	/* Make sure that we have sensible values. */
	258	if (samp_bytes < 0 \|\| lowpc > highpc)
	259	{
	260	fprintf (stderr,
	261	_("%s: file '%s' does not appear to be in gmon.out format\n"),
	262	whoami, filename);
	263	done (1);
	264	}
	265
252b5132 RH	266	if (hist_num_bins)
	267	{
	268	++nhist;
	269	}
	270
	271	if (!hist_sample)
	272	{
	273	hist_sample =
	274	(int ) xmalloc (hist_num_bins sizeof (hist_sample[0]));
	275	memset (hist_sample, 0, hist_num_bins * sizeof (hist_sample[0]));
	276	}
	277
	278	for (i = 0; i < hist_num_bins; ++i)
	279	{
	280	if (fread (raw_bin_count, sizeof (raw_bin_count), 1, ifp) != 1)
	281	{
	282	fprintf (stderr,
	283	_("%s: unexpected EOF after reading %d/%d bins\n"),
	284	whoami, --i, hist_num_bins);
	285	done (1);
	286	}
	287	hist_sample[i] += bfd_get_16 (core_bfd, (bfd_byte *) raw_bin_count);
	288	}
	289
	290	/*
	291	* The rest of the file consists of a bunch of <from,self,count>
	292	* tuples:
	293	*/
	294	while (fread (&raw_arc, sizeof (raw_arc), 1, ifp) == 1)
	295	{
	296	++narcs;
	297	from_pc = get_vma (core_bfd, (bfd_byte *) raw_arc.from_pc);
	298	self_pc = get_vma (core_bfd, (bfd_byte *) raw_arc.self_pc);
	299	count = bfd_get_32 (core_bfd, (bfd_byte *) raw_arc.count);
	300	DBG (SAMPLEDEBUG,
	301	printf ("[gmon_out_read] frompc 0x%lx selfpc 0x%lx count %lu\n",
fdcf7d43	302	(unsigned long) from_pc, (unsigned long) self_pc, count));
252b5132 RH	303	/* add this arc: */
	304	cg_tally (from_pc, self_pc, count);
	305	}
	306	fclose (ifp);
	307
	308	if (hz == HZ_WRONG)
	309	{
	310	/*
	311	* How many ticks per second? If we can't tell, report
	312	* time in ticks.
	313	*/
	314	hz = hertz ();
	315	if (hz == HZ_WRONG)
	316	{
	317	hz = 1;
	318	fprintf (stderr, _("time is in ticks, not seconds\n"));
	319	}
	320	}
	321	}
	322	else
	323	{
	324	fprintf (stderr, _("%s: don't know how to deal with file format %d\n"),
	325	whoami, file_format);
	326	done (1);
	327	}
	328
	329	if (output_style & STYLE_GMON_INFO)
	330	{
	331	printf (_("File `%s' (version %d) contains:\n"),
	332	filename, gmon_file_version);
	333	printf (_("\t%d histogram record%s\n"),
	334	nhist, nhist == 1 ? "" : "s");
	335	printf (_("\t%d call-graph record%s\n"),
	336	narcs, narcs == 1 ? "" : "s");
	337	printf (_("\t%d basic-block count record%s\n"),
	338	nbbs, nbbs == 1 ? "" : "s");
	339	first_output = FALSE;
	340	}
	341	}
	342
	343
	344	void
	345	DEFUN (gmon_out_write, (filename), const char *filename)
	346	{
	347	FILE *ofp;
	348	struct gmon_hdr ghdr;
	349
	350	ofp = fopen (filename, FOPEN_WB);
	351	if (!ofp)
	352	{
	353	perror (filename);
	354	done (1);
	355	}
	356
	357	if (file_format == FF_AUTO \|\| file_format == FF_MAGIC)
	358	{
	359	/* write gmon header: */
	360
	361	memcpy (&ghdr.cookie[0], GMON_MAGIC, 4);
	362	bfd_put_32 (core_bfd, GMON_VERSION, (bfd_byte *) ghdr.version);
	363	if (fwrite (&ghdr, sizeof (ghdr), 1, ofp) != 1)
	364	{
	365	perror (filename);
	366	done (1);
367	}
368
369	/* write execution time histogram if we have one: */
370	if (gmon_input & INPUT_HISTOGRAM)
371	{
372	hist_write_hist (ofp, filename);
373	}
374
375	/* write call graph arcs if we have any: */
376	if (gmon_input & INPUT_CALL_GRAPH)
377	{
378	cg_write_arcs (ofp, filename);
379	}
380
381	/* write basic-block info if we have it: */
382	if (gmon_input & INPUT_BB_COUNTS)
383	{
384	bb_write_blocks (ofp, filename);
385	}
386	}
387	else if (file_format == FF_BSD \|\| file_format == FF_BSD44)
388	{
389	struct raw_arc raw_arc;
390	UNIT raw_bin_count;
391	struct raw_phdr h;
392	int i;
393	Arc *arc;
394	Sym *sym;
395
396	memset (&h, 0, sizeof h);
397	put_vma (core_bfd, s_lowpc, (bfd_byte *) &h.low_pc);
398	put_vma (core_bfd, s_highpc, (bfd_byte *) &h.high_pc);
399	bfd_put_32 (core_bfd,
400	hist_num_bins * sizeof (UNIT) + sizeof (struct raw_phdr),
401	(bfd_byte *) &h.ncnt);
402
403	/* Write header. Use new style BSD format is explicitly
404	specified, or if the profiling rate is non-standard;
405	otherwise, use the old BSD format. */
406	if (file_format == FF_BSD44
407	\|\| hz != hertz ())
408	{
409	bfd_put_32 (core_bfd, GMONVERSION, (bfd_byte *) &h.version);
410	bfd_put_32 (core_bfd, hz, (bfd_byte *) &h.profrate);
411	if (fwrite (&h, sizeof (struct raw_phdr), 1, ofp) != 1)
412	{
413	perror (filename);
414	done (1);
415	}
416	}
417	else
418	{
419	if (fwrite (&h, sizeof (struct old_raw_phdr), 1, ofp) != 1)
420	{
421	perror (filename);
422	done (1);
423	}
424	}
425
426	/* dump the samples: */
427
428	for (i = 0; i < hist_num_bins; ++i)
429	{
430	bfd_put_16 (core_bfd, hist_sample[i], (bfd_byte *) & raw_bin_count[0]);
431	if (fwrite (&raw_bin_count[0], sizeof (raw_bin_count), 1, ofp) != 1)
432	{
433	perror (filename);
434	done (1);
435	}
436	}
437
438	/* dump the normalized raw arc information: */
439
440	for (sym = symtab.base; sym < symtab.limit; ++sym)
441	{
442	for (arc = sym->cg.children; arc; arc = arc->next_child)
443	{
444	put_vma (core_bfd, arc->parent->addr,
445	(bfd_byte *) raw_arc.from_pc);
446	put_vma (core_bfd, arc->child->addr,
447	(bfd_byte *) raw_arc.self_pc);
448	bfd_put_32 (core_bfd, arc->count, (bfd_byte *) raw_arc.count);
449	if (fwrite (&raw_arc, sizeof (raw_arc), 1, ofp) != 1)
450	{
451	perror (filename);
452	done (1);
453	}
454	DBG (SAMPLEDEBUG,
455	printf ("[dumpsum] frompc 0x%lx selfpc 0x%lx count %lu\n",
fdcf7d43 ILT	456	(unsigned long) arc->parent->addr,
fdcf7d43 ILT	457	(unsigned long) arc->child->addr, arc->count));
252b5132 RH	458	}
	459	}
	460	fclose (ofp);
	461	}
	462	else
	463	{
	464	fprintf (stderr, _("%s: don't know how to deal with file format %d\n"),
	465	whoami, file_format);
	466	done (1);
	467	}
	468	}