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