diff options
Diffstat (limited to 'gprof/gmon_io.c')
| -rw-r--r-- | gprof/gmon_io.c | 174 |
1 files changed, 137 insertions, 37 deletions
diff --git a/gprof/gmon_io.c b/gprof/gmon_io.c index f0f238ff..d761889 100644 --- a/gprof/gmon_io.c +++ b/gprof/gmon_io.c @@ -1,6 +1,6 @@ /* gmon_io.c - Input and output from/to gmon.out files. - Copyright 2000 Free Software Foundation, Inc. + Copyright 2000, 2001 Free Software Foundation, Inc. This file is part of GNU Binutils. @@ -35,9 +35,113 @@ int gmon_input = 0; int gmon_file_version = 0; /* 0 == old (non-versioned) file format. */ -/* This probably ought to be in libbfd. */ +int +DEFUN (gmon_io_read_vma, (ifp, valp), FILE * ifp AND bfd_vma *valp) +{ + char buf[8]; + bfd_vma val; + + switch (GMON_PTR_SIZE) + { + case 4: + if (fread (buf, 1, 4, ifp) != 4) + return 1; + val = bfd_get_32 (core_bfd, buf); + break; + + case 8: + if (fread (buf, 1, 8, ifp) != 8) + return 1; + val = bfd_get_64 (core_bfd, buf); + break; + + default: + fprintf (stderr, _("%s: GMON_PTR_SIZE has unexpected value of %u\n"), + whoami, GMON_PTR_SIZE); + done (1); + } + *valp = val; + return 0; +} -bfd_vma +int +DEFUN (gmon_io_read_32, (ifp, valp), FILE * ifp AND unsigned int *valp) +{ + char buf[4]; + + if (fread (buf, 1, 4, ifp) != 4) + return 1; + *valp = bfd_get_32 (core_bfd, buf); + return 0; +} + +int +DEFUN (gmon_io_read, (ifp, valp), FILE * ifp AND char *buf AND size_t n) +{ + if (fread (buf, 1, n, ifp) != n) + return 1; + return 0; +} + +int +DEFUN (gmon_io_write_vma, (ofp, valp), FILE * ofp AND bfd_vma val) +{ + char buf[8]; + + switch (GMON_PTR_SIZE) + { + case 4: + bfd_put_32 (core_bfd, val, buf); + if (fwrite (buf, 1, 4, ofp) != 4) + return 1; + break; + + case 8: + bfd_put_64 (core_bfd, val, buf); + if (fwrite (buf, 1, 8, ofp) != 8) + return 1; + break; + + default: + fprintf (stderr, _("%s: GMON_PTR_SIZE has unexpected value of %u\n"), + whoami, GMON_PTR_SIZE); + done (1); + } + return 0; +} + +int +DEFUN (gmon_io_write_32, (ofp, valp), FILE * ofp AND unsigned int val) +{ + char buf[4]; + + bfd_put_32 (core_bfd, val, buf); + if (fwrite (buf, 1, 4, ofp) != 4) + return 1; + return 0; +} + +int +DEFUN (gmon_io_write_8, (ofp, valp), FILE * ofp AND unsigned char val) +{ + char buf[1]; + + bfd_put_8 (core_bfd, val, buf); + if (fwrite (buf, 1, 1, ofp) != 1) + return 1; + return 0; +} + +int +DEFUN (gmon_io_write, (ofp, valp), FILE * ofp AND char *buf AND size_t n) +{ + if (fwrite (buf, 1, n, ofp) != n) + return 1; + return 0; +} + +/* get_vma and put_vma are for backwards compatibility only */ +static bfd_vma DEFUN (get_vma, (abfd, addr), bfd * abfd AND bfd_byte * addr) { switch (sizeof (char*)) @@ -53,10 +157,7 @@ DEFUN (get_vma, (abfd, addr), bfd * abfd AND bfd_byte * addr) } } - -/* This probably ought to be in libbfd. */ - -void +static void DEFUN (put_vma, (abfd, val, addr), bfd * abfd AND bfd_vma val AND bfd_byte * addr) { switch (sizeof (char*)) @@ -74,7 +175,6 @@ DEFUN (put_vma, (abfd, val, addr), bfd * abfd AND bfd_vma val AND bfd_byte * add } } - void DEFUN (gmon_out_read, (filename), const char *filename) { @@ -94,14 +194,14 @@ DEFUN (gmon_out_read, (filename), const char *filename) 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"), @@ -109,8 +209,8 @@ DEFUN (gmon_out_read, (filename), const char *filename) done (1); } - if ((file_format == FF_MAGIC) || - (file_format == FF_AUTO && !strncmp (&ghdr.cookie[0], GMON_MAGIC, 4))) + 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)) { @@ -121,7 +221,7 @@ DEFUN (gmon_out_read, (filename), const char *filename) /* 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, @@ -181,18 +281,18 @@ DEFUN (gmon_out_read, (filename), const char *filename) struct hdr tmp; /* Information from a gmon.out file is in two parts: an array of - sampling hits within pc ranges, and the arcs. */ + 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?). */ + 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)) { @@ -200,7 +300,7 @@ DEFUN (gmon_out_read, (filename), const char *filename) 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]); @@ -212,7 +312,7 @@ DEFUN (gmon_out_read, (filename), const char *filename) /* 4.4BSD format header. */ profrate = bfd_get_32 (core_bfd, (bfd_byte *) &raw.profrate[0]); - + if (!s_highpc) hz = profrate; else if (hz != profrate) @@ -244,14 +344,14 @@ DEFUN (gmon_out_read, (filename), const char *filename) 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)) + 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; @@ -259,7 +359,7 @@ DEFUN (gmon_out_read, (filename), const char *filename) 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, @@ -273,12 +373,12 @@ DEFUN (gmon_out_read, (filename), const char *filename) /* Make sure that we have sensible values. */ if (samp_bytes < 0 || lowpc > highpc) - { - fprintf (stderr, + { + fprintf (stderr, _("%s: file '%s' does not appear to be in gmon.out format\n"), whoami, filename); - done (1); - } + done (1); + } if (hist_num_bins) ++nhist; @@ -287,7 +387,7 @@ DEFUN (gmon_out_read, (filename), const char *filename) { hist_sample = (int *) xmalloc (hist_num_bins * sizeof (hist_sample[0])); - + memset (hist_sample, 0, hist_num_bins * sizeof (hist_sample[0])); } @@ -300,7 +400,7 @@ DEFUN (gmon_out_read, (filename), const char *filename) whoami, --i, hist_num_bins); done (1); } - + hist_sample[i] += bfd_get_16 (core_bfd, (bfd_byte *) raw_bin_count); } @@ -312,15 +412,15 @@ DEFUN (gmon_out_read, (filename), const char *filename) 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) @@ -328,7 +428,7 @@ DEFUN (gmon_out_read, (filename), const char *filename) /* How many ticks per second? If we can't tell, report time in ticks. */ hz = hertz (); - + if (hz == HZ_WRONG) { hz = 1; @@ -377,7 +477,7 @@ DEFUN (gmon_out_write, (filename), const char *filename) 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); @@ -413,8 +513,8 @@ DEFUN (gmon_out_write, (filename), const char *filename) (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. */ + specified, or if the profiling rate is non-standard; + otherwise, use the old BSD format. */ if (file_format == FF_BSD44 || hz != hertz ()) { @@ -467,7 +567,7 @@ DEFUN (gmon_out_write, (filename), const char *filename) (unsigned long) arc->child->addr, arc->count)); } } - + fclose (ofp); } else |