aboutsummaryrefslogtreecommitdiff
path: root/gprof/gmon_io.c
diff options
context:
space:
mode:
authorNick Clifton <nickc@redhat.com>2002-01-31 18:37:58 +0000
committerNick Clifton <nickc@redhat.com>2002-01-31 18:37:58 +0000
commite7e2dd92262f34fd7246fb639edc6001acf9171d (patch)
treee4d67f7e2f6c542712867a2930cee7d82b0e8059 /gprof/gmon_io.c
parentdea03d4e101d4d52a1fda4680794d4ceec1cfc55 (diff)
downloadgdb-e7e2dd92262f34fd7246fb639edc6001acf9171d.zip
gdb-e7e2dd92262f34fd7246fb639edc6001acf9171d.tar.gz
gdb-e7e2dd92262f34fd7246fb639edc6001acf9171d.tar.bz2
Deal with target architecture that have a pointer size that is different from
the host architectures pointer size.
Diffstat (limited to 'gprof/gmon_io.c')
-rw-r--r--gprof/gmon_io.c332
1 files changed, 228 insertions, 104 deletions
diff --git a/gprof/gmon_io.c b/gprof/gmon_io.c
index bf8efef..0bc5caa 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, 2001 Free Software Foundation, Inc.
+ Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of GNU Binutils.
@@ -38,49 +38,81 @@ int gmon_input = 0;
int gmon_file_version = 0; /* 0 == old (non-versioned) file format. */
int
-DEFUN (gmon_io_read_vma, (ifp, valp), FILE * ifp AND bfd_vma *valp)
+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_64, (ifp, valp), FILE * ifp AND BFD_HOST_U_64_BIT *valp)
{
char buf[8];
- bfd_vma val;
- switch (GMON_PTR_SIZE)
+ if (fread (buf, 1, 8, ifp) != 8)
+ return 1;
+ *valp = bfd_get_64 (core_bfd, buf);
+ return 0;
+}
+
+int
+DEFUN (gmon_io_read_vma, (ifp, valp), FILE * ifp AND bfd_vma *valp)
+{
+ unsigned int val32;
+ BFD_HOST_U_64_BIT val64;
+
+ switch (bfd_arch_bits_per_address (core_bfd))
{
- case 4:
- if (fread (buf, 1, 4, ifp) != 4)
+ case 32:
+ if (gmon_io_read_32 (ifp, &val32))
return 1;
- val = bfd_get_32 (core_bfd, buf);
+ *valp = val32;
break;
- case 8:
- if (fread (buf, 1, 8, ifp) != 8)
+ case 64:
+ if (gmon_io_read_64 (ifp, &val64))
return 1;
- val = bfd_get_64 (core_bfd, buf);
+ *valp = val64;
break;
default:
- fprintf (stderr, _("%s: GMON_PTR_SIZE has unexpected value of %u\n"),
- whoami, GMON_PTR_SIZE);
+ fprintf (stderr, _("%s: bits per address has unexpected value of %u\n"),
+ whoami, bfd_arch_bits_per_address (core_bfd));
done (1);
}
- *valp = val;
return 0;
}
int
-DEFUN (gmon_io_read_32, (ifp, valp), FILE * ifp AND unsigned int *valp)
+DEFUN (gmon_io_read, (ifp, buf, n), 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_32, (ofp, val), FILE * ofp AND unsigned int val)
{
char buf[4];
- if (fread (buf, 1, 4, ifp) != 4)
+ bfd_put_32 (core_bfd, val, buf);
+ if (fwrite (buf, 1, 4, ofp) != 4)
return 1;
- *valp = bfd_get_32 (core_bfd, buf);
return 0;
}
int
-DEFUN (gmon_io_read, (ifp, buf, n), FILE * ifp AND char *buf AND size_t n)
+DEFUN (gmon_io_write_64, (ofp, val), FILE * ofp AND BFD_HOST_U_64_BIT val)
{
- if (fread (buf, 1, n, ifp) != n)
+ char buf[8];
+
+ bfd_put_64 (core_bfd, val, buf);
+ if (fwrite (buf, 1, 8, ofp) != 8)
return 1;
return 0;
}
@@ -88,42 +120,28 @@ DEFUN (gmon_io_read, (ifp, buf, n), FILE * ifp AND char *buf AND size_t n)
int
DEFUN (gmon_io_write_vma, (ofp, val), FILE * ofp AND bfd_vma val)
{
- char buf[8];
- switch (GMON_PTR_SIZE)
+ switch (bfd_arch_bits_per_address (core_bfd))
{
- case 4:
- bfd_put_32 (core_bfd, val, buf);
- if (fwrite (buf, 1, 4, ofp) != 4)
+ case 32:
+ if (gmon_io_write_32 (ofp, (unsigned int) val))
return 1;
break;
- case 8:
- bfd_put_64 (core_bfd, val, buf);
- if (fwrite (buf, 1, 8, ofp) != 8)
+ case 64:
+ if (gmon_io_write_64 (ofp, (BFD_HOST_U_64_BIT) val))
return 1;
break;
default:
- fprintf (stderr, _("%s: GMON_PTR_SIZE has unexpected value of %u\n"),
- whoami, GMON_PTR_SIZE);
+ fprintf (stderr, _("%s: bits per address has unexpected value of %u\n"),
+ whoami, bfd_arch_bits_per_address (core_bfd));
done (1);
}
return 0;
}
int
-DEFUN (gmon_io_write_32, (ofp, val), 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, val), FILE * ofp AND unsigned char val)
{
char buf[1];
@@ -142,39 +160,64 @@ DEFUN (gmon_io_write, (ofp, buf, n), FILE * ofp AND char *buf AND size_t n)
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)
+int
+DEFUN (gmon_read_raw_arc, (ifp, fpc, spc, cnt), FILE * ifp AND bfd_vma * fpc AND bfd_vma * spc AND unsigned long * cnt)
{
- switch (sizeof (char*))
+ BFD_HOST_U_64_BIT cnt64;
+ unsigned int cnt32;
+
+ if (gmon_io_read_vma (ifp, fpc)
+ || gmon_io_read_vma (ifp, spc))
+ return 1;
+
+ switch (bfd_arch_bits_per_address (core_bfd))
{
- case 4:
- return bfd_get_32 (abfd, addr);
- case 8:
- return bfd_get_64 (abfd, addr);
+ case 32:
+ if (gmon_io_read_32 (ifp, &cnt32))
+ return 1;
+ *cnt = cnt32;
+ break;
+
+ case 64:
+ if (gmon_io_read_64 (ifp, &cnt64))
+ return 1;
+ *cnt = cnt64;
+ break;
+
default:
- fprintf (stderr, _("%s: bfd_vma has unexpected size of %ld bytes\n"),
- whoami, (long) sizeof (char*));
+ fprintf (stderr, _("%s: bits per address has unexpected value of %u\n"),
+ whoami, bfd_arch_bits_per_address (core_bfd));
done (1);
}
+ return 0;
}
-static void
-DEFUN (put_vma, (abfd, val, addr), bfd * abfd AND bfd_vma val AND bfd_byte * addr)
+int
+DEFUN (gmon_write_raw_arc, (ofp, fpc, spc, cnt), FILE * ofp AND bfd_vma fpc AND bfd_vma spc AND unsigned long cnt)
{
- switch (sizeof (char*))
+
+ if (gmon_io_write_vma (ofp, fpc)
+ || gmon_io_write_vma (ofp, spc))
+ return 1;
+
+ switch (bfd_arch_bits_per_address (core_bfd))
{
- case 4:
- bfd_put_32 (abfd, val, addr);
+ case 32:
+ if (gmon_io_write_32 (ofp, (unsigned int) cnt))
+ return 1;
break;
- case 8:
- bfd_put_64 (abfd, val, addr);
+
+ case 64:
+ if (gmon_io_write_64 (ofp, (BFD_HOST_U_64_BIT) cnt))
+ return 1;
break;
+
default:
- fprintf (stderr, _("%s: bfd_vma has unexpected size of %ld bytes\n"),
- whoami, (long) sizeof (char*));
+ fprintf (stderr, _("%s: bits per address has unexpected value of %u\n"),
+ whoami, bfd_arch_bits_per_address (core_bfd));
done (1);
}
+ return 0;
}
void
@@ -273,14 +316,13 @@ DEFUN (gmon_out_read, (filename), const char *filename)
bfd_vma high_pc;
int ncnt;
};
- int i, samp_bytes, header_size;
+ int i, samp_bytes, header_size = 0;
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;
+ int version;
/* Information from a gmon.out file is in two parts: an array of
sampling hits within pc ranges, and the arcs. */
@@ -295,25 +337,29 @@ DEFUN (gmon_out_read, (filename), const char *filename)
done (1);
}
- if (fread (&raw, 1, sizeof (struct raw_phdr), ifp)
- != sizeof (struct raw_phdr))
+ /* 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: file too short to be a gmon file\n"),
+ bad_gmon_file:
+ 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]);
+ /* Check to see if this a 4.4BSD-style header. */
+ if (gmon_io_read_32 (ifp, &version))
+ goto bad_gmon_file;
- if (bfd_get_32 (core_bfd, (bfd_byte *) &raw.version[0])
- == GMONVERSION)
+ if (version == GMONVERSION)
{
int profrate;
/* 4.4BSD format header. */
- profrate = bfd_get_32 (core_bfd, (bfd_byte *) &raw.profrate[0]);
+ if (gmon_io_read_32 (ifp, &profrate))
+ goto bad_gmon_file;
if (!s_highpc)
hz = profrate;
@@ -325,7 +371,22 @@ DEFUN (gmon_out_read, (filename), const char *filename)
done (1);
}
- header_size = sizeof (struct raw_phdr);
+ switch (bfd_arch_bits_per_address (core_bfd))
+ {
+ case 32:
+ header_size = GMON_HDRSIZE_BSD44_32;
+ break;
+
+ case 64:
+ header_size = GMON_HDRSIZE_BSD44_64;
+ break;
+
+ default:
+ fprintf (stderr,
+ _("%s: bits per address has unexpected value of %u\n"),
+ whoami, bfd_arch_bits_per_address (core_bfd));
+ done (1);
+ }
}
else
{
@@ -337,13 +398,29 @@ DEFUN (gmon_out_read, (filename), const char *filename)
done (1);
}
- if (fseek (ifp, sizeof (struct old_raw_phdr), SEEK_SET) < 0)
+ switch (bfd_arch_bits_per_address (core_bfd))
{
- perror (filename);
- done (1);
+ case 32:
+ header_size = GMON_HDRSIZE_OLDBSD_32;
+ break;
+
+ case 64:
+ header_size = GMON_HDRSIZE_OLDBSD_64;
+ break;
+
+ default:
+ fprintf (stderr,
+ _("%s: bits per address has unexpected value of %u\n"),
+ whoami, bfd_arch_bits_per_address (core_bfd));
+ done (1);
}
+ }
- header_size = sizeof (struct old_raw_phdr);
+ /* Position the file to after the header. */
+ if (fseek (ifp, header_size, SEEK_SET) < 0)
+ {
+ perror (filename);
+ done (1);
}
if (s_highpc && (tmp.low_pc != h.low_pc
@@ -408,12 +485,9 @@ DEFUN (gmon_out_read, (filename), const char *filename)
/* The rest of the file consists of a bunch of
<from,self,count> tuples. */
- while (fread (&raw_arc, sizeof (raw_arc), 1, ifp) == 1)
+ while (gmon_read_raw_arc (ifp, &from_pc, &self_pc, &count) == 0)
{
++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",
@@ -503,43 +577,97 @@ DEFUN (gmon_out_write, (filename), const char *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;
+ int i, hdrsize;
+ unsigned padsize;
+ char pad[3*4];
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);
+ memset (pad, 0, sizeof (pad));
- /* Write header. Use new style BSD format is explicitly
- specified, or if the profiling rate is non-standard;
- otherwise, use the old BSD format. */
+ 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 ())
+ || 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)
+ padsize = 3*4;
+ switch (bfd_arch_bits_per_address (core_bfd))
{
- perror (filename);
- done (1);
+ case 32:
+ hdrsize = GMON_HDRSIZE_BSD44_32;
+ break;
+
+ case 64:
+ hdrsize = GMON_HDRSIZE_BSD44_64;
+ break;
+
+ default:
+ fprintf (stderr,
+ _("%s: bits per address has unexpected value of %u\n"),
+ whoami, bfd_arch_bits_per_address (core_bfd));
+ done (1);
}
}
else
{
- if (fwrite (&h, sizeof (struct old_raw_phdr), 1, ofp) != 1)
+ padsize = 0;
+ switch (bfd_arch_bits_per_address (core_bfd))
+ {
+ case 32:
+ hdrsize = GMON_HDRSIZE_OLDBSD_32;
+ break;
+
+ case 64:
+ 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;
+
+ default:
+ fprintf (stderr,
+ _("%s: bits per address has unexpected value of %u\n"),
+ whoami, bfd_arch_bits_per_address (core_bfd));
+ done (1);
+ }
+ }
+
+ /* Write the parts of the headers that are common to both the
+ old BSD and 4.4BSD formats. */
+ if (gmon_io_write_vma (ofp, s_lowpc)
+ || gmon_io_write_vma (ofp, s_highpc)
+ || gmon_io_write_32 (ofp, hist_num_bins * sizeof (UNIT) + hdrsize))
+ {
+ perror (filename);
+ done (1);
+ }
+
+ /* 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, 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 < hist_num_bins; ++i)
{
@@ -556,12 +684,8 @@ DEFUN (gmon_out_write, (filename), const char *filename)
{
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)
+ if (gmon_write_raw_arc (ofp, arc->parent->addr,
+ arc->child->addr, arc->count))
{
perror (filename);
done (1);