/* 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.
#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 PARAMS ((void));
+static enum gmon_ptr_signedness gmon_get_ptr_signedness PARAMS ((void));
+
+#ifdef BFD_HOST_U_64_BIT
+static int gmon_io_read_64 PARAMS ((FILE *, BFD_HOST_U_64_BIT *));
+static int gmon_io_write_64 PARAMS ((FILE *, BFD_HOST_U_64_BIT));
+#endif
+static int gmon_read_raw_arc
+ PARAMS ((FILE *, bfd_vma *, bfd_vma *, unsigned long *));
+static int gmon_write_raw_arc
+ PARAMS ((FILE *, bfd_vma, bfd_vma, unsigned long));
+
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)
+static enum gmon_ptr_size
+gmon_get_ptr_size ()
{
- char buf[8];
- bfd_vma val;
+ 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 (GMON_PTR_SIZE)
+ switch (size)
{
- case 4:
- if (fread (buf, 1, 4, ifp) != 4)
- return 1;
- val = bfd_get_32 (core_bfd, buf);
- break;
+ case 32:
+ return ptr_32bit;
- case 8:
- if (fread (buf, 1, 8, ifp) != 8)
- return 1;
- val = bfd_get_64 (core_bfd, buf);
- break;
+ case 64:
+ return ptr_64bit;
default:
- fprintf (stderr, _("%s: GMON_PTR_SIZE has unexpected value of %u\n"),
- whoami, GMON_PTR_SIZE);
+ fprintf (stderr, _("%s: address size has unexpected value of %u\n"),
+ whoami, size);
done (1);
}
- *valp = val;
- return 0;
+}
+
+static enum gmon_ptr_signedness
+gmon_get_ptr_signedness ()
+{
+ 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
-DEFUN (gmon_io_read_32, (ifp, valp), FILE * ifp AND unsigned int *valp)
+gmon_io_read_32 (ifp, valp)
+ FILE *ifp;
+ unsigned int *valp;
{
char buf[4];
return 0;
}
-int
-DEFUN (gmon_io_read, (ifp, buf, n), FILE * ifp AND char *buf AND size_t n)
+#ifdef BFD_HOST_U_64_BIT
+static int
+gmon_io_read_64 (ifp, valp)
+ FILE *ifp;
+ BFD_HOST_U_64_BIT *valp;
{
- if (fread (buf, 1, n, ifp) != n)
+ char buf[8];
+
+ if (fread (buf, 1, 8, ifp) != 8)
return 1;
+ *valp = bfd_get_64 (core_bfd, buf);
return 0;
}
+#endif
int
-DEFUN (gmon_io_write_vma, (ofp, val), FILE * ofp AND bfd_vma val)
+gmon_io_read_vma (ifp, valp)
+ FILE *ifp;
+ bfd_vma *valp;
{
- char buf[8];
+ unsigned int val32;
+#ifdef BFD_HOST_U_64_BIT
+ BFD_HOST_U_64_BIT val64;
+#endif
- switch (GMON_PTR_SIZE)
+ switch (gmon_get_ptr_size ())
{
- case 4:
- bfd_put_32 (core_bfd, val, buf);
- if (fwrite (buf, 1, 4, ofp) != 4)
+ 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;
- case 8:
- bfd_put_64 (core_bfd, val, buf);
- if (fwrite (buf, 1, 8, ofp) != 8)
+#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;
-
- default:
- fprintf (stderr, _("%s: GMON_PTR_SIZE has unexpected value of %u\n"),
- whoami, GMON_PTR_SIZE);
- done (1);
+#endif
}
return 0;
}
int
-DEFUN (gmon_io_write_32, (ofp, val), FILE * ofp AND unsigned int val)
+gmon_io_read (ifp, buf, n)
+ FILE *ifp;
+ char *buf;
+ size_t n;
+{
+ if (fread (buf, 1, n, ifp) != n)
+ return 1;
+ return 0;
+}
+
+int
+gmon_io_write_32 (ofp, val)
+ FILE *ofp;
+ unsigned int val;
{
char buf[4];
- bfd_put_32 (core_bfd, val, buf);
+ 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 (ofp, val)
+ FILE *ofp;
+ BFD_HOST_U_64_BIT val;
+{
+ 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 (ofp, val)
+ 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
-DEFUN (gmon_io_write_8, (ofp, val), FILE * ofp AND unsigned char val)
+gmon_io_write_8 (ofp, val)
+ FILE *ofp;
+ unsigned int val;
{
char buf[1];
}
int
-DEFUN (gmon_io_write, (ofp, buf, n), FILE * ofp AND char *buf AND size_t n)
+gmon_io_write (ofp, buf, n)
+ FILE *ofp;
+ char *buf;
+ 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)
+static int
+gmon_read_raw_arc (ifp, fpc, spc, cnt)
+ FILE *ifp;
+ bfd_vma *fpc;
+ bfd_vma *spc;
+ unsigned long *cnt;
{
- switch (sizeof (char*))
+#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 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);
+ 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
}
+ return 0;
}
-static void
-DEFUN (put_vma, (abfd, val, addr), bfd * abfd AND bfd_vma val AND bfd_byte * addr)
+static int
+gmon_write_raw_arc (ofp, fpc, spc, cnt)
+ FILE *ofp;
+ bfd_vma fpc;
+ bfd_vma spc;
+ unsigned long cnt;
{
- switch (sizeof (char*))
+
+ if (gmon_io_write_vma (ofp, fpc)
+ || gmon_io_write_vma (ofp, spc))
+ return 1;
+
+ switch (gmon_get_ptr_size ())
{
- case 4:
- bfd_put_32 (abfd, val, addr);
+ case ptr_32bit:
+ if (gmon_io_write_32 (ofp, (unsigned int) cnt))
+ return 1;
break;
- case 8:
- bfd_put_64 (abfd, val, addr);
+
+#ifdef BFD_HOST_U_64_BIT
+ case ptr_64bit:
+ 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*));
- done (1);
+#endif
}
+ return 0;
}
void
-DEFUN (gmon_out_read, (filename), const char *filename)
+gmon_out_read (filename)
+ const char *filename;
{
FILE *ifp;
struct gmon_hdr ghdr;
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. */
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;
done (1);
}
- header_size = sizeof (struct raw_phdr);
+ 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
{
done (1);
}
- if (fseek (ifp, sizeof (struct old_raw_phdr), SEEK_SET) < 0)
+ switch (gmon_get_ptr_size ())
{
- perror (filename);
- done (1);
+ case ptr_32bit:
+ header_size = GMON_HDRSIZE_OLDBSD_32;
+ break;
+
+ case ptr_64bit:
+ header_size = GMON_HDRSIZE_OLDBSD_64;
+ break;
}
+ }
- 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
/* 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",
void
-DEFUN (gmon_out_write, (filename), const char *filename)
+gmon_out_write (filename)
+ const char *filename;
{
FILE *ofp;
struct gmon_hdr ghdr;
/* Write gmon header. */
memcpy (&ghdr.cookie[0], GMON_MAGIC, 4);
- bfd_put_32 (core_bfd, GMON_VERSION, (bfd_byte *) ghdr.version);
+ bfd_put_32 (core_bfd, (bfd_vma) GMON_VERSION, (bfd_byte *) ghdr.version);
if (fwrite (&ghdr, sizeof (ghdr), 1, ofp) != 1)
{
}
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 (gmon_get_ptr_size ())
{
- perror (filename);
- done (1);
+ case ptr_32bit:
+ hdrsize = GMON_HDRSIZE_BSD44_32;
+ break;
+
+ case ptr_64bit:
+ hdrsize = GMON_HDRSIZE_BSD44_64;
+ break;
}
}
else
{
- if (fwrite (&h, sizeof (struct old_raw_phdr), 1, ofp) != 1)
+ 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, 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, (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 < hist_num_bins; ++i)
{
- bfd_put_16 (core_bfd, hist_sample[i], (bfd_byte *) & raw_bin_count[0]);
+ bfd_put_16 (core_bfd, (bfd_vma) hist_sample[i],
+ (bfd_byte *) &raw_bin_count[0]);
if (fwrite (&raw_bin_count[0], sizeof (raw_bin_count), 1, ofp) != 1)
{
perror (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);
projects / deliverable / binutils-gdb.git / blobdiff