-/*
- * Input and output from/to gmon.out files.
- */
+/* gmon_io.c - Input and output from/to gmon.out files.
+
+ Copyright (C) 1999-2020 Free Software Foundation, Inc.
+
+ This file is part of GNU Binutils.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+\f
+#include "gprof.h"
+#include "binary-io.h"
+#include "search_list.h"
+#include "source.h"
+#include "symtab.h"
#include "cg_arcs.h"
#include "basic_blocks.h"
-#include "bfd.h"
-#include "core.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 "gmon.h" /* Fetch header for old format. */
#include "hertz.h"
#include "hist.h"
#include "libiberty.h"
+enum gmon_ptr_size {
+ ptr_32bit,
+ ptr_64bit
+};
+
+enum gmon_ptr_signedness {
+ ptr_signed,
+ ptr_unsigned
+};
+
+static enum gmon_ptr_size gmon_get_ptr_size (void);
+static enum gmon_ptr_signedness gmon_get_ptr_signedness (void);
+
+#ifdef BFD_HOST_U_64_BIT
+static int gmon_io_read_64 (FILE *, BFD_HOST_U_64_BIT *);
+static int gmon_io_write_64 (FILE *, BFD_HOST_U_64_BIT);
+#endif
+static int gmon_read_raw_arc
+ (FILE *, bfd_vma *, bfd_vma *, unsigned long *);
+static int gmon_write_raw_arc
+ (FILE *, bfd_vma, bfd_vma, unsigned long);
+
int gmon_input = 0;
-int gmon_file_version = 0; /* 0 == old (non-versioned) file format */
+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)
+static enum gmon_ptr_size
+gmon_get_ptr_size (void)
{
- switch (sizeof(bfd_vma)) {
- 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(bfd_vma));
- done(1);
- } /* switch */
-} /* get_vma */
-
-
-/*
- * This probably ought to be in libbfd.
- */
-void
-DEFUN(put_vma, (abfd, val, addr), bfd *abfd AND bfd_vma val AND bfd_byte *addr)
+ int size;
+
+ /* Pick best size for pointers. Start with the ELF size, and if not
+ elf go with the architecture's address size. */
+ size = bfd_get_arch_size (core_bfd);
+ if (size == -1)
+ size = bfd_arch_bits_per_address (core_bfd);
+
+ switch (size)
+ {
+ case 32:
+ return ptr_32bit;
+
+ case 64:
+ return ptr_64bit;
+
+ default:
+ fprintf (stderr, _("%s: address size has unexpected value of %u\n"),
+ whoami, size);
+ done (1);
+ }
+}
+
+static enum gmon_ptr_signedness
+gmon_get_ptr_signedness (void)
+{
+ int sext;
+
+ /* Figure out whether to sign extend. If BFD doesn't know, assume no. */
+ sext = bfd_get_sign_extend_vma (core_bfd);
+ if (sext == -1)
+ return ptr_unsigned;
+ return (sext ? ptr_signed : ptr_unsigned);
+}
+
+int
+gmon_io_read_32 (FILE *ifp, unsigned int *valp)
+{
+ char buf[4];
+
+ if (fread (buf, 1, 4, ifp) != 4)
+ return 1;
+ *valp = bfd_get_32 (core_bfd, buf);
+ return 0;
+}
+
+#ifdef BFD_HOST_U_64_BIT
+static int
+gmon_io_read_64 (FILE *ifp, BFD_HOST_U_64_BIT *valp)
+{
+ char buf[8];
+
+ if (fread (buf, 1, 8, ifp) != 8)
+ return 1;
+ *valp = bfd_get_64 (core_bfd, buf);
+ return 0;
+}
+#endif
+
+int
+gmon_io_read_vma (FILE *ifp, bfd_vma *valp)
+{
+ unsigned int val32;
+#ifdef BFD_HOST_U_64_BIT
+ BFD_HOST_U_64_BIT val64;
+#endif
+
+ switch (gmon_get_ptr_size ())
+ {
+ case ptr_32bit:
+ if (gmon_io_read_32 (ifp, &val32))
+ return 1;
+ if (gmon_get_ptr_signedness () == ptr_signed)
+ *valp = (int) val32;
+ else
+ *valp = val32;
+ break;
+
+#ifdef BFD_HOST_U_64_BIT
+ case ptr_64bit:
+ if (gmon_io_read_64 (ifp, &val64))
+ return 1;
+#ifdef BFD_HOST_64_BIT
+ if (gmon_get_ptr_signedness () == ptr_signed)
+ *valp = (BFD_HOST_64_BIT) val64;
+ else
+#endif
+ *valp = val64;
+ break;
+#endif
+ }
+ return 0;
+}
+
+int
+gmon_io_read (FILE *ifp, char *buf, size_t n)
+{
+ if (fread (buf, 1, n, ifp) != n)
+ return 1;
+ return 0;
+}
+
+int
+gmon_io_write_32 (FILE *ofp, unsigned int val)
+{
+ char buf[4];
+
+ bfd_put_32 (core_bfd, (bfd_vma) val, buf);
+ if (fwrite (buf, 1, 4, ofp) != 4)
+ return 1;
+ return 0;
+}
+
+#ifdef BFD_HOST_U_64_BIT
+static int
+gmon_io_write_64 (FILE *ofp, BFD_HOST_U_64_BIT val)
{
- switch (sizeof(bfd_vma)) {
- 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(bfd_vma));
- done(1);
- } /* switch */
-} /* put_vma */
+ char buf[8];
+ bfd_put_64 (core_bfd, (bfd_vma) val, buf);
+ if (fwrite (buf, 1, 8, ofp) != 8)
+ return 1;
+ return 0;
+}
+#endif
+
+int
+gmon_io_write_vma (FILE *ofp, bfd_vma val)
+{
+
+ switch (gmon_get_ptr_size ())
+ {
+ case ptr_32bit:
+ if (gmon_io_write_32 (ofp, (unsigned int) val))
+ return 1;
+ break;
+
+#ifdef BFD_HOST_U_64_BIT
+ case ptr_64bit:
+ if (gmon_io_write_64 (ofp, (BFD_HOST_U_64_BIT) val))
+ return 1;
+ break;
+#endif
+ }
+ return 0;
+}
+
+int
+gmon_io_write_8 (FILE *ofp, unsigned int val)
+{
+ char buf[1];
+
+ bfd_put_8 (core_bfd, val, buf);
+ if (fwrite (buf, 1, 1, ofp) != 1)
+ return 1;
+ return 0;
+}
+
+int
+gmon_io_write (FILE *ofp, char *buf, size_t n)
+{
+ if (fwrite (buf, 1, n, ofp) != n)
+ return 1;
+ return 0;
+}
+
+static int
+gmon_read_raw_arc (FILE *ifp, bfd_vma *fpc, bfd_vma *spc, unsigned long *cnt)
+{
+#ifdef BFD_HOST_U_64_BIT
+ BFD_HOST_U_64_BIT cnt64;
+#endif
+ unsigned int cnt32;
+
+ if (gmon_io_read_vma (ifp, fpc)
+ || gmon_io_read_vma (ifp, spc))
+ return 1;
+
+ switch (gmon_get_ptr_size ())
+ {
+ case ptr_32bit:
+ if (gmon_io_read_32 (ifp, &cnt32))
+ return 1;
+ *cnt = cnt32;
+ break;
+
+#ifdef BFD_HOST_U_64_BIT
+ case ptr_64bit:
+ if (gmon_io_read_64 (ifp, &cnt64))
+ return 1;
+ *cnt = cnt64;
+ break;
+#endif
+
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static int
+gmon_write_raw_arc (FILE *ofp, bfd_vma fpc, bfd_vma spc, unsigned long cnt)
+{
+
+ if (gmon_io_write_vma (ofp, fpc)
+ || gmon_io_write_vma (ofp, spc))
+ return 1;
+
+ switch (gmon_get_ptr_size ())
+ {
+ case ptr_32bit:
+ if (gmon_io_write_32 (ofp, (unsigned int) cnt))
+ return 1;
+ break;
+
+#ifdef BFD_HOST_U_64_BIT
+ case ptr_64bit:
+ if (gmon_io_write_64 (ofp, (BFD_HOST_U_64_BIT) cnt))
+ return 1;
+ break;
+#endif
+ }
+ return 0;
+}
void
-DEFUN(gmon_out_read, (filename), const char *filename)
+gmon_out_read (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 */
- } /* if */
- 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 */
-
- if ((file_format == FF_MAGIC) ||
- (file_format == FF_AUTO && !strncmp(&ghdr.cookie[0], GMON_MAGIC, 4)))
+ 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;
+ SET_BINARY (fileno (stdin));
+ }
+ else
+ {
+ ifp = fopen (filename, FOPEN_RB);
+
+ if (!ifp)
+ {
+ perror (filename);
+ done (1);
+ }
+ }
+
+ if (fread (&ghdr, sizeof (struct gmon_hdr), 1, ifp) != 1)
{
- if (file_format == FF_MAGIC && strncmp(&ghdr.cookie[0], GMON_MAGIC, 4))
+ 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)
{
- fprintf(stderr, "%s: file `%s' has bad magic cookie\n",
- whoami, filename);
- done(1);
- } /* if */
-
- /* 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);
- } /* if */
-
- /* 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);
- } /* switch */
- } /* while */
- } else if (file_format == FF_AUTO || file_format == FF_BSD) {
- struct hdr {
- bfd_vma low_pc;
- bfd_vma high_pc;
- int ncnt;
- };
- int i, samp_bytes, 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 */
- if (fread(&raw, 1, sizeof(struct raw_phdr), ifp)
- != sizeof(struct raw_phdr))
+ 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;
+ unsigned int ncnt;
+ };
+ unsigned int i;
+ int samp_bytes, header_size = 0;
+ unsigned long count;
+ bfd_vma from_pc, self_pc;
+ UNIT raw_bin_count;
+ struct hdr tmp;
+ unsigned int version;
+ unsigned int hist_num_bins;
+
+ /* 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)
{
- fprintf(stderr, "%s: file too short to be a gmon file\n",
- filename);
- done(1);
- } /* if */
- 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 (s_highpc && (tmp.low_pc != h.low_pc ||
- tmp.high_pc != h.high_pc || tmp.ncnt != h.ncnt))
+ perror (filename);
+ done (1);
+ }
+
+ /* The beginning of the old BSD header and the 4.4BSD header
+ are the same: lowpc, highpc, ncnt */
+ if (gmon_io_read_vma (ifp, &tmp.low_pc)
+ || gmon_io_read_vma (ifp, &tmp.high_pc)
+ || gmon_io_read_32 (ifp, &tmp.ncnt))
{
- fprintf(stderr, "%s: incompatible with first gmon file\n",
- filename);
- done(1);
- } /* if */
- 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 - sizeof(struct raw_phdr);
- hist_num_bins = samp_bytes / sizeof (UNIT);
- DBG(SAMPLEDEBUG,
- printf("[gmon_out_read] lowpc 0x%lx highpc 0x%lx ncnt %d\n",
- h.low_pc, h.high_pc, h.ncnt);
- printf("[gmon_out_read] s_lowpc 0x%lx s_highpc 0x%lx\n",
- s_lowpc, s_highpc);
- printf("[gmon_out_read] lowpc 0x%lx highpc 0x%lx\n",
- lowpc, highpc);
- printf("[gmon_out_read] samp_bytes %d hist_num_bins %d\n",
+ bad_gmon_file:
+ fprintf (stderr, _("%s: file too short to be a gmon file\n"),
+ filename);
+ done (1);
+ }
+
+ /* Check to see if this a 4.4BSD-style header. */
+ if (gmon_io_read_32 (ifp, &version))
+ goto bad_gmon_file;
+
+ if (version == GMONVERSION)
+ {
+ unsigned int profrate;
+
+ /* 4.4BSD format header. */
+ if (gmon_io_read_32 (ifp, &profrate))
+ goto bad_gmon_file;
+
+ if (!histograms)
+ hz = profrate;
+ else if (hz != (int) profrate)
+ {
+ fprintf (stderr,
+ _("%s: profiling rate incompatible with first gmon file\n"),
+ filename);
+ done (1);
+ }
+
+ switch (gmon_get_ptr_size ())
+ {
+ case ptr_32bit:
+ header_size = GMON_HDRSIZE_BSD44_32;
+ break;
+
+ case ptr_64bit:
+ header_size = GMON_HDRSIZE_BSD44_64;
+ break;
+ }
+ }
+ else
+ {
+ /* Old style BSD format. */
+ if (file_format == FF_BSD44)
+ {
+ fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
+ whoami, filename);
+ done (1);
+ }
+
+ switch (gmon_get_ptr_size ())
+ {
+ case ptr_32bit:
+ header_size = GMON_HDRSIZE_OLDBSD_32;
+ break;
+
+ case ptr_64bit:
+ header_size = GMON_HDRSIZE_OLDBSD_64;
+ break;
+ }
+ }
+
+ /* Position the file to after the header. */
+ if (fseek (ifp, header_size, SEEK_SET) < 0)
+ {
+ perror (filename);
+ done (1);
+ }
+
+ samp_bytes = tmp.ncnt - header_size;
+ hist_num_bins = samp_bytes / sizeof (UNIT);
+ if (histograms && (tmp.low_pc != histograms->lowpc
+ || tmp.high_pc != histograms->highpc
+ || (hist_num_bins != histograms->num_bins)))
+ {
+ fprintf (stderr, _("%s: incompatible with first gmon file\n"),
+ filename);
+ done (1);
+ }
+
+ if (!histograms)
+ {
+ num_histograms = 1;
+ histograms = (struct histogram *) xmalloc (sizeof (struct histogram));
+ histograms->lowpc = tmp.low_pc;
+ histograms->highpc = tmp.high_pc;
+ histograms->num_bins = hist_num_bins;
+ hist_scale = (double)((tmp.high_pc - tmp.low_pc) / sizeof (UNIT))
+ / hist_num_bins;
+ histograms->sample = (int *) xmalloc (hist_num_bins * sizeof (int));
+ memset (histograms->sample, 0,
+ hist_num_bins * sizeof (int));
+ }
+
+ DBG (SAMPLEDEBUG,
+ printf ("[gmon_out_read] lowpc 0x%lx highpc 0x%lx ncnt %d\n",
+ (unsigned long) tmp.low_pc, (unsigned long) tmp.high_pc,
+ tmp.ncnt);
+ printf ("[gmon_out_read] samp_bytes %d hist_num_bins %d\n",
samp_bytes, hist_num_bins));
- if (hist_num_bins) {
- ++nhist;
- } /* if */
-
- 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]));
- } /* if */
-
- 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);
- } /* if */
- hist_sample[i] += bfd_get_16(core_bfd, (bfd_byte*) raw_bin_count);
- } /* for */
-
- /*
- * 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 %d\n",
- from_pc, self_pc, count));
- /* add this arc: */
- cg_tally(from_pc, self_pc, count);
- } /* while */
- 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");
- } /* if */
- } /* if */
- } else {
- fprintf(stderr, "%s: don't know how to deal with file format %d\n",
- whoami, file_format);
- done(1);
- } /* if */
-
- 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;
- } /* if */
-} /* gmon_out_read */
+ /* Make sure that we have sensible values. */
+ if (samp_bytes < 0 || histograms->lowpc > histograms->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;
+
+ 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);
+ }
+
+ histograms->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 (gmon_read_raw_arc (ifp, &from_pc, &self_pc, &count) == 0)
+ {
+ ++narcs;
+
+ 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);
+ }
+
+ 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 (ifp != stdin)
+ fclose (ifp);
+
+ if (output_style & STYLE_GMON_INFO)
+ {
+ printf (_("File `%s' (version %d) contains:\n"),
+ filename, gmon_file_version);
+ printf (nhist == 1 ?
+ _("\t%d histogram record\n") :
+ _("\t%d histogram records\n"), nhist);
+ printf (narcs == 1 ?
+ _("\t%d call-graph record\n") :
+ _("\t%d call-graph records\n"), narcs);
+ printf (nbbs == 1 ?
+ _("\t%d basic-block count record\n") :
+ _("\t%d basic-block count records\n"), nbbs);
+ first_output = FALSE;
+ }
+}
void
-DEFUN(gmon_out_write, (filename), const char *filename)
+gmon_out_write (const char *filename)
{
- FILE *ofp;
- struct gmon_hdr ghdr;
-
- ofp = fopen(filename, FOPEN_WB);
- if (!ofp) {
- perror(filename);
- done(1);
- } /* if */
-
- 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);
- } /* if */
-
- /* write execution time histogram if we have one: */
- if (gmon_input & INPUT_HISTOGRAM) {
- hist_write_hist(ofp, filename);
- } /* if */
-
- /* write call graph arcs if we have any: */
- if (gmon_input & INPUT_CALL_GRAPH) {
- cg_write_arcs(ofp, filename);
- } /* if */
-
- /* write basic-block info if we have it: */
- if (gmon_input & INPUT_BB_COUNTS) {
- bb_write_blocks(ofp, filename);
- } /* if */
- } else if (file_format == FF_BSD) {
- struct raw_arc raw_arc;
- UNIT raw_bin_count;
- bfd_vma lpc, hpc;
- int i, ncnt;
- Arc *arc;
- Sym *sym;
-
- put_vma(core_bfd, s_lowpc, (bfd_byte*) &lpc);
- put_vma(core_bfd, s_highpc, (bfd_byte*) &hpc);
- bfd_put_32(core_bfd,
- hist_num_bins * sizeof(UNIT) + sizeof(struct raw_phdr),
- (bfd_byte*) &ncnt);
-
- /* write header: */
- if (fwrite(&lpc, sizeof(lpc), 1, ofp) != 1
- || fwrite(&hpc, sizeof(hpc), 1, ofp) != 1
- || fwrite(&ncnt, sizeof(ncnt), 1, ofp) != 1)
+ 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, (bfd_vma) 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)
+ {
+ UNIT raw_bin_count;
+ unsigned int i, hdrsize;
+ unsigned padsize;
+ char pad[3*4];
+ Arc *arc;
+ Sym *sym;
+
+ memset (pad, 0, sizeof (pad));
+
+ hdrsize = 0;
+ /* Decide how large the header will be. Use the 4.4BSD format
+ header if explicitly specified, or if the profiling rate is
+ non-standard. Otherwise, use the old BSD format. */
+ if (file_format == FF_BSD44
+ || hz != hertz())
+ {
+ padsize = 3*4;
+ switch (gmon_get_ptr_size ())
+ {
+ case ptr_32bit:
+ hdrsize = GMON_HDRSIZE_BSD44_32;
+ break;
+
+ case ptr_64bit:
+ hdrsize = GMON_HDRSIZE_BSD44_64;
+ break;
+ }
+ }
+ else
+ {
+ padsize = 0;
+ switch (gmon_get_ptr_size ())
+ {
+ case ptr_32bit:
+ hdrsize = GMON_HDRSIZE_OLDBSD_32;
+ break;
+
+ case ptr_64bit:
+ hdrsize = GMON_HDRSIZE_OLDBSD_64;
+ /* FIXME: Checking host compiler defines here means that we can't
+ use a cross gprof alpha OSF. */
+#if defined(__alpha__) && defined (__osf__)
+ padsize = 4;
+#endif
+ break;
+ }
+ }
+
+ /* Write the parts of the headers that are common to both the
+ old BSD and 4.4BSD formats. */
+ if (gmon_io_write_vma (ofp, histograms->lowpc)
+ || gmon_io_write_vma (ofp, histograms->highpc)
+ || gmon_io_write_32 (ofp, histograms->num_bins
+ * sizeof (UNIT) + hdrsize))
{
- perror(filename);
- done(1);
- } /* if */
+ perror (filename);
+ done (1);
+ }
- /* dump the samples: */
+ /* Write out the 4.4BSD header bits, if that's what we're using. */
+ if (file_format == FF_BSD44
+ || hz != hertz())
+ {
+ if (gmon_io_write_32 (ofp, GMONVERSION)
+ || gmon_io_write_32 (ofp, (unsigned int) hz))
+ {
+ perror (filename);
+ done (1);
+ }
+ }
+
+ /* Now write out any necessary padding after the meaningful
+ header bits. */
+ if (padsize != 0
+ && fwrite (pad, 1, padsize, ofp) != padsize)
+ {
+ perror (filename);
+ done (1);
+ }
+
+ /* Dump the samples. */
+ for (i = 0; i < histograms->num_bins; ++i)
+ {
+ bfd_put_16 (core_bfd, (bfd_vma) histograms->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);
+ }
+ }
- 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)
+ /* Dump the normalized raw arc information. */
+ for (sym = symtab.base; sym < symtab.limit; ++sym)
+ {
+ for (arc = sym->cg.children; arc; arc = arc->next_child)
{
- perror(filename);
- done(1);
- } /* if */
- } /* for */
-
- /* 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);
- } /* if */
- DBG(SAMPLEDEBUG,
- printf("[dumpsum] frompc 0x%lx selfpc 0x%lx count %d\n",
- arc->parent->addr, arc->child->addr, arc->count));
- } /* for */
- } /* for */
- fclose(ofp);
- } else {
- fprintf(stderr, "%s: don't know how to deal with file format %d\n",
- whoami, file_format);
- done(1);
- } /* if */
-} /* gmon_out_write */
-
- /*** gmon_out.c ***/
+ if (gmon_write_raw_arc (ofp, arc->parent->addr,
+ arc->child->addr, arc->count))
+ {
+ 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);
+ }
+}
projects / deliverable / binutils-gdb.git / blobdiff