+2006-10-30 Kazu Hirata <kazu@codesourcery.com>
+
+ Merge fido bits:
+ 2006-10-25 Kazu Hirata <kazu@codesourcery.com>
+
+ gprof/
+ * hist.c, hist.h: Fix formatting.
+
+ gprof/
+ * Makefile.in (corefile.o): Depend on hist.h.
+ * corefile.c: Include hist.h.
+
+ 2006-10-06 Vladimir Prus <vladimir@codesourcery.com>
+
+ * hist.h (struct histogram)
+ (histograms, num_histograms): New.
+ * hist.c (find_histogram, find_histogram_for_pc)
+ (read_histogram_header): New.
+ (s_lowpc, s_highpc, lowpc, highpc, hist_num_bins)
+ (hist_sample): Remove.
+ (hist_read_rec): Use the above, and handle multiple
+ histogram records with disjoint address ranges.
+ (hist_write_hist): Support several histogram records.
+ (scale_and_align_entries): Adjust for multiple histograms.
+ (hist_assign_samples_1): New.
+ (hist_assign_samples): Use the above.
+ (hist_clip_symbol_address): New.
+ * hist.h (hist_check_address)
+ (hist_clip_symbol_address): Declare.
+ * gmon_io.c (gmon_out_read, gmon_out_write): Adjust handling
+ of legacy format for multiple histogram changes.
+ * corefile.c (find_call): Check for core_text_space and
+ clip symbol address range here.
+ * vax.c (vax_find_call): Don't check for
+ core_text_space, or clip the symbol's address range here.
+ Use hist_check_address to check call's target address.
+ * sparc.c: Likewise.
+ * tahoe.c: Likewise.
+ * i386.c: Likewise.
+ * mips.c: Likewise. Also use core_text_sect->vma as the base
+ address for code accesses, just like other machine-specific
+ routines do.
+
+ 2006-08-03 Kazu Hirata <kazu@codesourcery.com>
+
+ * gas/config/tc-m68k.c (archs): Add -mfido as an alias for
+ -mfido_a.
+
+ 2006-06-23 Kazu Hirata <kazu@codesourcery.com>
+
+ * gas/config/tc-m68k.c (cpu_of_arch): Replace fido with
+ fido_a.
+ (archs): Likewise.
+ (m68k_ip): Likewise.
+ (select_control_regs): Likewise.
+ (md_show_usage): Replace -mfido with -mfidoa.
+ * include/opcode/m68k.h (fido): Rename to fido_a.
+ * opcodes/m68k-opc.c (m68k_opcodes): Replace fido with fido_a.
+
+ 2006-06-22 Kazu Hirata <kazu@codesourcery.com>
+
+ * config.sub: Replace fido with fido.
+ * bfd/config.bfd: Likewise
+ * gas/configure.tgt: Likewise.
+ * gas/config/m68k-parse.h: Likewise.
+ * gas/config/tc-m68k.c: Likewise.
+ * gas/testsuite/gas/m68k/all.exp: Likewise.
+ * gas/testsuite/gas/m68k/fido.d: Rename to fido.d.
+ * gas/testsuite/gas/m68k/fido.s: Rename to fido.s.
+ * include/opcode/m68k.h: Replace fido with fido.
+ * ld/configure.tgt: Likewise.
+ * opcodes/m68k-dis.c: Likewise.
+ * opcodes/m68k-opc.c: Likewise.
+
+ 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
+
+ * gas/config/m68k-parse.h (m68k_register): Add CAC and MBB.
+ * gas/config/tc-m68k.c (fido_control_regs): New.
+ (cpu_of_arch): Add fido.
+ (archs): Add an entry for fido.
+ (m68k_ip): Add warnings for uses of tbl[su]{n,}[bwl] on
+ fido. Recognize CAC and MBB.
+ (init_tabl): Add CAC and MBB.
+ (select_control_regs): Choose fido as the current chip
+ when the current architecture is fido or when -mfido
+ is given explicitly.
+ * gas/testsuite/gas/m68k/all.exp: Disable operands, cas, and
+ bitfield on fido-*-*. Run fido on fido-*-*.
+ * gas/testsuite/gas/m68k/fido.d: New.
+ * gas/testsuite/gas/m68k/fido.s: Likewise.
+ * include/opcode/m68k.h: Document new control registers CAC
+ and MBB.
+ * opcodes/m68k-dis.c (print_insn_arg): Add cac and mbb.
+ * opcodes/m68k-opc.c (m68k_opcodes): Add sleep and trapx.
+
+ 2005-07-22 Kazu Hirata <kazu@codesourcery.com>
+
+ * gas/config/tc-m68k.c (archs): Add fido as an OR of
+ cpu32 and fido.
+ (md_show_usage): Add -mfido.
+ * include/opcode/m68k.h (fido): New.
+
+ 2005-07-11 Kazu Hirata <kazu@codesourcery.com>
+
+ * config.sub: Recognize fido and fido-*.
+ * bfd/config.bfd: Likewise.
+ * gas/configure.tgt: Likewise.
+ * ld/configure.tgt: Likewise.
+
2006-10-28 Paul Brook <paul@codesourcery.com>
Julian Brown <julian@codesourcery.com>
crisv32) targ_archs=bfd_cris_arch ;;
crx*) targ_archs=bfd_crx_arch ;;
dlx*) targ_archs=bfd_dlx_arch ;;
+fido*) targ_archs=bfd_m68k_arch ;;
hppa*) targ_archs=bfd_hppa_arch ;;
i[3-7]86) targ_archs=bfd_i386_arch ;;
i370) targ_archs=bfd_i370_arch ;;
targ_defvec=bfd_elf32_d30v_vec
;;
+ fido-*-elf* )
+ targ_defvec=bfd_elf32_m68k_vec
+ targ_selvecs="m68kcoff_vec ieee_vec"
+ ;;
+
fr30-*-elf)
targ_defvec=bfd_elf32_fr30_vec
;;
| bfin \
| c4x | clipper \
| d10v | d30v | dlx | dsp16xx \
- | fr30 | frv \
+ | fido | fr30 | frv \
| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
| i370 | i860 | i960 | ia64 \
| ip2k | iq2000 \
| clipper-* | craynv-* | cydra-* \
| d10v-* | d30v-* | dlx-* \
| elxsi-* \
- | f30[01]-* | f700-* | fr30-* | frv-* | fx80-* \
+ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
| h8300-* | h8500-* \
| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
| i*86-* | i860-* | i960-* | ia64-* \
FLASHBAR, RAMBAR, /* mcf528x added these. */
MBAR2, /* mcf5249 added this. */
MBAR,
-#define last_movec_reg MBAR
+ CAC, /* fido added this. */
+ MBB,
+#define last_movec_reg MBB
/* End of movec ordering constraints. */
FPI,
PCR3U0, PCR3L0, PCR3U1, PCR3L1,
0
};
+static const enum m68k_register fido_ctrl[] = {
+ SFC, DFC, USP, VBR, CAC, MBB,
+ 0
+};
#define cpu32_ctrl m68010_ctrl
static const enum m68k_register *control_regs;
reloc[5]; /* Five is enough??? */
};
-#define cpu_of_arch(x) ((x) & (m68000up | mcfisa_a))
+#define cpu_of_arch(x) ((x) & (m68000up | mcfisa_a | fido_a))
#define float_of_arch(x) ((x) & mfloat)
#define mmu_of_arch(x) ((x) & mmmu)
#define arch_coldfire_p(x) ((x) & mcfisa_a)
{m68040, m68040_ctrl, "68040", 0},
{m68060, m68060_ctrl, "68060", 0},
{cpu32|m68881, cpu32_ctrl, "cpu32", 0},
+ {cpu32|fido_a, fido_ctrl, "fidoa", 0},
{mcfisa_a|mcfhwdiv, NULL, "isaa", 0},
{mcfisa_a|mcfhwdiv|mcfisa_aa|mcfusp, NULL, "isaaplus", 0},
{mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp, NULL, "isab", 0},
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcfv4e_ctrl, "5485", -1},
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcfv4e_ctrl, "548x", 0},
+ {cpu32|fido_a, fido_ctrl, "fido", 1},
+
{0,NULL,NULL, 0}
};
opcode = (const struct m68k_incant *) hash_find (op_hash, instring);
*p = c;
+ /* Fido does not support certain instructions. Warn about uses
+ of those instructions. */
+ if ((cpu_of_arch (current_architecture) & fido_a) != 0)
+ {
+ /* Recognize tbl[su]{n,}[bwl]. */
+ if (strncmp (instring, "tbl", 3) == 0
+ && (instring[3] == 's' || instring[3] == 'u')
+ && ((strchr ("bwl", instring[4]) != 0
+ && instring[5] == '\0')
+ || (instring[4] == 'n'
+ && strchr ("bwl", instring[5]) != 0
+ && instring[6] == '\0')))
+ as_warn (_("'%s' not supported on Fido"), instring);
+ }
+
if (pdot != NULL)
{
for (pdotmove = p; pdotmove > pdot; pdotmove--)
case PCR3U1:
tmpreg = 0xD0F;
break;
+ case CAC:
+ tmpreg = 0xFFE;
+ break;
+ case MBB:
+ tmpreg = 0xFFF;
+ break;
default:
abort ();
}
{ "rambar", RAMBAR }, /* mcf528x registers. */
{ "mbar2", MBAR2 }, /* mcf5249 registers. */
+
+ { "cac", CAC }, /* fido registers. */
+ { "mbb", MBB }, /* fido registers. */
/* End of control registers. */
{ "ac", AC },
c4x*) cpu_type=tic4x ;;
crisv32) cpu_type=cris arch=crisv32 ;;
crx*) cpu_type=crx endian=little ;;
+ fido) cpu_type=m68k ;;
hppa*) cpu_type=hppa ;;
i[3-7]86) cpu_type=i386 arch=i386;;
ia64) cpu_type=ia64 ;;
if [istarget "m6812-*-*"] then {
return
}
-if [istarget m68*-*-*] then {
+if { [istarget m68*-*-*] || [istarget fido*-*-*] } then {
gas_test "t2.s" "" "" "cross-section branch"
if [istarget m68*-motorola-sysv] then {
run_dump_test t2
setup_xfail "*-*"
clear_xfail "*-*-*elf*" "*-*-sysv4*" "*-*-rtems" "*-*-*gnu*" "*-*-psos*"
run_dump_test pcrel
- run_dump_test operands
- run_dump_test cas
- run_dump_test bitfield
+
+ # Since fido is basically CPU32, it does not support those
+ # instructions beyond CPU32. Disable those tests that test them.
+ if ![istarget fido-*-*] then {
+ run_dump_test operands
+ run_dump_test cas
+ run_dump_test bitfield
+ } else {
+ # Test fido-specific instructions.
+ run_dump_test fido
+ }
+
run_dump_test link
run_dump_test fmoveml
run_dump_test mcf-mov3q
--- /dev/null
+#objdump: -d --prefix-addresses
+#name: fido
+
+# Test parsing of the operands of the fido-specific instructions.
+
+.*: +file format .*
+
+Disassembly of section .text:
+0+000 <foo> sleep
+0+002 <foo\+(0x|)2> trapx #0
+0+004 <foo\+(0x|)4> trapx #1
+0+006 <foo\+(0x|)6> trapx #2
+0+008 <foo\+(0x|)8> trapx #3
+0+00a <foo\+(0x|)a> trapx #4
+0+00c <foo\+(0x|)c> trapx #5
+0+00e <foo\+(0x|)e> trapx #6
+0+010 <foo\+(0x|)10> trapx #7
+0+012 <foo\+(0x|)12> trapx #8
+0+014 <foo\+(0x|)14> trapx #9
+0+016 <foo\+(0x|)16> trapx #10
+0+018 <foo\+(0x|)18> trapx #11
+0+01a <foo\+(0x|)1a> trapx #12
+0+01c <foo\+(0x|)1c> trapx #13
+0+01e <foo\+(0x|)1e> trapx #14
+0+020 <foo\+(0x|)20> trapx #15
+0+022 <foo\+(0x|)22> movec %cac,%d0
+0+026 <foo\+(0x|)26> movec %cac,%a0
+0+02a <foo\+(0x|)2a> movec %mbb,%d1
+0+02e <foo\+(0x|)2e> movec %mbb,%a1
+0+032 <foo\+(0x|)32> movec %d2,%cac
+0+036 <foo\+(0x|)36> movec %a2,%cac
+0+03a <foo\+(0x|)3a> movec %d3,%mbb
+0+03e <foo\+(0x|)3e> movec %a3,%mbb
+0+042 <foo\+(0x|)42> movec %cac,%d4
+0+046 <foo\+(0x|)46> movec %cac,%a4
+0+04a <foo\+(0x|)4a> movec %mbb,%d5
+0+04e <foo\+(0x|)4e> movec %mbb,%a5
+0+052 <foo\+(0x|)52> movec %d6,%cac
+0+056 <foo\+(0x|)56> movec %fp,%cac
+0+05a <foo\+(0x|)5a> movec %d7,%mbb
+0+05e <foo\+(0x|)5e> movec %sp,%mbb
--- /dev/null
+# Test parsing of the operands of the fido-specific instructions.
+ .text
+ .globl foo
+foo:
+ sleep
+ trapx #0
+ trapx #1
+ trapx #2
+ trapx #3
+ trapx #4
+ trapx #5
+ trapx #6
+ trapx #7
+ trapx #8
+ trapx #9
+ trapx #10
+ trapx #11
+ trapx #12
+ trapx #13
+ trapx #14
+ trapx #15
+ movec #0xffe,%d0
+ movec #0xffe,%a0
+ movec #0xfff,%d1
+ movec #0xfff,%a1
+ movec %d2,#0xffe
+ movec %a2,#0xffe
+ movec %d3,#0xfff
+ movec %a3,#0xfff
+ movec %cac,%d4
+ movec %cac,%a4
+ movec %mbb,%d5
+ movec %mbb,%a5
+ movec %d6,%cac
+ movec %a6,%cac
+ movec %d7,%mbb
+ movec %a7,%mbb
indirect_child.cg.cyc.head = &indirect_child;
}
- if (!core_text_space)
- {
- return;
- }
- if (p_lowpc < s_lowpc)
- {
- p_lowpc = s_lowpc;
- }
- if (p_highpc > s_highpc)
- {
- p_highpc = s_highpc;
- }
DBG (CALLDEBUG, printf (_("[find_call] %s: 0x%lx to 0x%lx\n"),
parent->name, (unsigned long) p_lowpc,
(unsigned long) p_highpc));
*/
dest_pc = pc + 4 + (((bfd_signed_vma) (insn & 0x1fffff)
^ 0x100000) - 0x100000);
- if (dest_pc >= s_lowpc && dest_pc <= s_highpc)
+ if (hist_check_address (dest_pc))
{
child = sym_lookup (&symtab, dest_pc);
DBG (CALLDEBUG,
#include "search_list.h"
#include "source.h"
#include "symtab.h"
+#include "hist.h"
#include "corefile.h"
bfd *core_bfd;
void
find_call (Sym *parent, bfd_vma p_lowpc, bfd_vma p_highpc)
{
+ if (core_text_space == 0)
+ return;
+
+ hist_clip_symbol_address (&p_lowpc, &p_highpc);
+
switch (bfd_get_arch (core_bfd))
{
case bfd_arch_i386:
int samp_bytes, header_size = 0;
unsigned long count;
bfd_vma from_pc, self_pc;
- static struct hdr h;
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. */
if (gmon_io_read_32 (ifp, &profrate))
goto bad_gmon_file;
- if (!s_highpc)
+ if (!histograms)
hz = profrate;
else if (hz != (int) profrate)
{
done (1);
}
- if (s_highpc && (tmp.low_pc != h.low_pc
- || tmp.high_pc != h.high_pc || tmp.ncnt != h.ncnt))
+ 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);
}
- 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);
+ if (!histograms)
+ {
+ histograms = (struct histogram *)malloc
+ (sizeof (struct histogram));
+ histograms->lowpc = tmp.low_pc;
+ histograms->highpc = tmp.high_pc;
+ histograms->num_bins = hist_num_bins;
+ histograms->sample = (int *)malloc (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) 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);
+ (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));
/* Make sure that we have sensible values. */
- if (samp_bytes < 0 || lowpc > highpc)
+ if (samp_bytes < 0 || histograms->lowpc > histograms->highpc)
{
fprintf (stderr,
_("%s: file '%s' does not appear to be in gmon.out format\n"),
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)
done (1);
}
- hist_sample[i] += bfd_get_16 (core_bfd, (bfd_byte *) raw_bin_count);
+ histograms->sample[i]
+ += bfd_get_16 (core_bfd, (bfd_byte *) raw_bin_count);
}
/* The rest of the file consists of a bunch of
/* 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))
+ 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);
}
/* Dump the samples. */
- for (i = 0; i < hist_num_bins; ++i)
+ for (i = 0; i < histograms->num_bins; ++i)
{
- bfd_put_16 (core_bfd, (bfd_vma) hist_sample[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)
{
#include "hist.h"
#include "sym_ids.h"
#include "utils.h"
+#include "math.h"
+#include "stdio.h"
+#include "stdlib.h"
#define UNITS_TO_CODE (offset_to_code / sizeof(UNIT))
/* Declarations of automatically generated functions to output blurbs. */
extern void flat_blurb (FILE * fp);
-bfd_vma s_lowpc; /* Lowest address in .text. */
-bfd_vma s_highpc = 0; /* Highest address in .text. */
-bfd_vma lowpc, highpc; /* Same, but expressed in UNITs. */
-unsigned int hist_num_bins = 0; /* Number of histogram samples. */
-int *hist_sample = 0; /* Histogram samples (shorts in the file!). */
+static histogram *find_histogram (bfd_vma lowpc, bfd_vma highpc);
+static histogram *find_histogram_for_pc (bfd_vma pc);
+
double hist_scale;
static char hist_dimension[16] = "seconds";
static char hist_dimension_abbrev = 's';
{ 'a', 1e+18 } /* ato */
};
+/* Reads just the header part of histogram record into
+ *RECORD from IFP. FILENAME is the name of IFP and
+ is provided for formatting error messages only.
-/* Read the histogram from file IFP. FILENAME is the name of IFP and
- is provided for formatting error messages only. */
-
-void
-hist_read_rec (FILE * ifp, const char *filename)
+ If FIRST is non-zero, sets global variables HZ, HIST_DIMENSION,
+ HIST_DIMENSION_ABBREV, HIST_SCALE. If FIRST is zero, checks
+ that the new histogram is compatible with already-set values
+ of those variables and emits an error if that's not so. */
+static void
+read_histogram_header (histogram *record,
+ FILE *ifp, const char *filename,
+ int first)
{
- bfd_vma n_lowpc, n_highpc;
- unsigned int i, ncnt, profrate;
- UNIT count;
-
- if (gmon_io_read_vma (ifp, &n_lowpc)
- || gmon_io_read_vma (ifp, &n_highpc)
- || gmon_io_read_32 (ifp, &ncnt)
+ unsigned int profrate;
+ char n_hist_dimension[15];
+ char n_hist_dimension_abbrev;
+ double n_hist_scale;
+
+ if (gmon_io_read_vma (ifp, &record->lowpc)
+ || gmon_io_read_vma (ifp, &record->highpc)
+ || gmon_io_read_32 (ifp, &record->num_bins)
|| gmon_io_read_32 (ifp, &profrate)
- || gmon_io_read (ifp, hist_dimension, 15)
- || gmon_io_read (ifp, &hist_dimension_abbrev, 1))
+ || gmon_io_read (ifp, n_hist_dimension, 15)
+ || gmon_io_read (ifp, &n_hist_dimension_abbrev, 1))
{
fprintf (stderr, _("%s: %s: unexpected end of file\n"),
whoami, filename);
done (1);
}
- if (!s_highpc)
+ n_hist_scale = (double)((record->highpc - record->lowpc) / sizeof (UNIT))
+ / record->num_bins;
+
+ if (first)
{
- /* This is the first histogram record. */
- s_lowpc = n_lowpc;
- s_highpc = n_highpc;
- lowpc = (bfd_vma) n_lowpc / sizeof (UNIT);
- highpc = (bfd_vma) n_highpc / sizeof (UNIT);
- hist_num_bins = ncnt;
+ /* We could try to verify it's the same for all records,
+ but it isn't practical, since when profiling is done
+ no by a timer but with a loop running in a stub, polling PC
+ from the target as fast as possible, the rate is not fixed. */
hz = profrate;
+ memcpy (hist_dimension, n_hist_dimension, 15);
+ hist_dimension_abbrev = n_hist_dimension_abbrev;
+ hist_scale = n_hist_scale;
}
-
- DBG (SAMPLEDEBUG,
- printf ("[hist_read_rec] n_lowpc 0x%lx n_highpc 0x%lx ncnt %u\n",
- (unsigned long) n_lowpc, (unsigned long) n_highpc, ncnt);
- printf ("[hist_read_rec] s_lowpc 0x%lx s_highpc 0x%lx nsamples %u\n",
- (unsigned long) s_lowpc, (unsigned long) s_highpc,
- hist_num_bins);
- printf ("[hist_read_rec] lowpc 0x%lx highpc 0x%lx\n",
- (unsigned long) lowpc, (unsigned long) highpc));
-
- if (n_lowpc != s_lowpc || n_highpc != s_highpc
- || ncnt != hist_num_bins || hz != (int) profrate)
+ else
{
- fprintf (stderr, _("%s: `%s' is incompatible with first gmon file\n"),
- whoami, filename);
- done (1);
+ if (strncmp (n_hist_dimension, hist_dimension, 15) != 0)
+ {
+ fprintf (stderr,
+ _("%s: dimension unit changed between histogram records\n"
+ "%s: from '%s'\n"
+ "%s: to '%s'\n"),
+ whoami, whoami, hist_dimension, whoami, n_hist_dimension);
+ done (1);
+ }
+
+ if (n_hist_dimension_abbrev != hist_dimension_abbrev)
+ {
+ fprintf (stderr,
+ _("%s: dimension abbreviation changed between histogram records\n"
+ "%s: from '%c'\n"
+ "%s: to '%c'\n"),
+ whoami, whoami, hist_dimension_abbrev, whoami, n_hist_dimension_abbrev);
+ done (1);
+ }
+
+ /* The only reason we require the same scale for histograms is that
+ there's code (notably printing code), that prints units,
+ and it would be very confusing to have one unit mean different
+ things for different functions. */
+ if (fabs (hist_scale - n_hist_scale) > 0.000001)
+ {
+ fprintf (stderr,
+ _("%s: different scales in histogram records"),
+ whoami);
+ done (1);
+ }
}
+}
- if (!hist_sample)
+/* Read the histogram from file IFP. FILENAME is the name of IFP and
+ is provided for formatting error messages only. */
+
+void
+hist_read_rec (FILE * ifp, const char *filename)
+{
+ bfd_vma lowpc, highpc;
+ histogram n_record;
+ histogram *record, *existing_record;
+ unsigned i;
+
+ /* 1. Read the header and see if there's existing record for the
+ same address range and that there are no overlapping records. */
+ read_histogram_header (&n_record, ifp, filename, num_histograms == 0);
+
+ existing_record = find_histogram (n_record.lowpc, n_record.highpc);
+ if (existing_record)
{
- hist_sample = (int *) xmalloc (hist_num_bins * sizeof (hist_sample[0]));
- memset (hist_sample, 0, hist_num_bins * sizeof (hist_sample[0]));
+ record = existing_record;
+ }
+ else
+ {
+ /* If this record overlaps, but does not completely match an existing
+ record, it's an error. */
+ lowpc = n_record.lowpc;
+ highpc = n_record.highpc;
+ hist_clip_symbol_address (&lowpc, &highpc);
+ if (lowpc != highpc)
+ {
+ fprintf (stderr,
+ _("%s: overlapping histogram records\n"),
+ whoami);
+ done (1);
+ }
+
+ /* This is new record. Add it to global array and allocate space for
+ the samples. */
+ histograms = (histogram *)realloc (histograms,
+ sizeof (histogram)
+ * (num_histograms + 1));
+ memcpy (histograms + num_histograms,
+ &n_record, sizeof (histogram));
+ record = &histograms[num_histograms];
+ ++num_histograms;
+
+ record->sample = (int *) xmalloc (record->num_bins
+ * sizeof (record->sample[0]));
+ memset (record->sample, 0, record->num_bins * sizeof (record->sample[0]));
}
- for (i = 0; i < hist_num_bins; ++i)
+ /* 2. We have either a new record (with zeroed histogram data), or an existing
+ record with some data in the histogram already. Read new data into the
+ record, adding hit counts. */
+
+ DBG (SAMPLEDEBUG,
+ printf ("[hist_read_rec] n_lowpc 0x%lx n_highpc 0x%lx ncnt %u\n",
+ (unsigned long) record->lowpc, (unsigned long) record->highpc,
+ record->num_bins));
+
+ for (i = 0; i < record->num_bins; ++i)
{
+ UNIT count;
if (fread (&count[0], sizeof (count), 1, ifp) != 1)
{
fprintf (stderr,
_("%s: %s: unexpected EOF after reading %u of %u samples\n"),
- whoami, filename, i, hist_num_bins);
+ whoami, filename, i, record->num_bins);
done (1);
}
- hist_sample[i] += bfd_get_16 (core_bfd, (bfd_byte *) & count[0]);
+ record->sample[i] += bfd_get_16 (core_bfd, (bfd_byte *) & count[0]);
DBG (SAMPLEDEBUG,
printf ("[hist_read_rec] 0x%lx: %u\n",
- (unsigned long) (n_lowpc + i * (n_highpc - n_lowpc) / ncnt),
- hist_sample[i]));
+ (unsigned long) (record->lowpc
+ + i * (record->highpc - record->lowpc)
+ / record->num_bins),
+ record->sample[i]));
}
}
-/* Write execution histogram to file OFP. FILENAME is the name
+/* Write all execution histograms file OFP. FILENAME is the name
of OFP and is provided for formatting error-messages only. */
void
hist_write_hist (FILE * ofp, const char *filename)
{
UNIT count;
- unsigned int i;
-
- /* Write header. */
+ unsigned int i, r;
- if (gmon_io_write_8 (ofp, GMON_TAG_TIME_HIST)
- || gmon_io_write_vma (ofp, s_lowpc)
- || gmon_io_write_vma (ofp, s_highpc)
- || gmon_io_write_32 (ofp, hist_num_bins)
- || gmon_io_write_32 (ofp, hz)
- || gmon_io_write (ofp, hist_dimension, 15)
- || gmon_io_write (ofp, &hist_dimension_abbrev, 1))
+ for (r = 0; r < num_histograms; ++r)
{
- perror (filename);
- done (1);
- }
-
- for (i = 0; i < hist_num_bins; ++i)
- {
- bfd_put_16 (core_bfd, (bfd_vma) hist_sample[i], (bfd_byte *) &count[0]);
-
- if (fwrite (&count[0], sizeof (count), 1, ofp) != 1)
+ histogram *record = &histograms[r];
+
+ /* Write header. */
+
+ if (gmon_io_write_8 (ofp, GMON_TAG_TIME_HIST)
+ || gmon_io_write_vma (ofp, record->lowpc)
+ || gmon_io_write_vma (ofp, record->highpc)
+ || gmon_io_write_32 (ofp, record->num_bins)
+ || gmon_io_write_32 (ofp, hz)
+ || gmon_io_write (ofp, hist_dimension, 15)
+ || gmon_io_write (ofp, &hist_dimension_abbrev, 1))
{
perror (filename);
done (1);
}
+
+ for (i = 0; i < record->num_bins; ++i)
+ {
+ bfd_put_16 (core_bfd, (bfd_vma) record->sample[i], (bfd_byte *) &count[0]);
+
+ if (fwrite (&count[0], sizeof (count), 1, ofp) != 1)
+ {
+ perror (filename);
+ done (1);
+ }
+ }
}
}
-
/* Calculate scaled entry point addresses (to save time in
hist_assign_samples), and, on architectures that have procedure
entry masks at the start of a function, possibly push the scaled
for (sym = symtab.base; sym < symtab.limit; sym++)
{
sym->hist.scaled_addr = sym->addr / sizeof (UNIT);
- bin_of_entry = (sym->hist.scaled_addr - lowpc) / hist_scale;
- bin_of_code = ((sym->hist.scaled_addr + UNITS_TO_CODE - lowpc)
- / hist_scale);
- if (bin_of_entry < bin_of_code)
+
+ histogram *r = find_histogram_for_pc (sym->addr);
+
+ if (r)
{
- DBG (SAMPLEDEBUG,
- printf ("[scale_and_align_entries] pushing 0x%lx to 0x%lx\n",
- (unsigned long) sym->hist.scaled_addr,
- (unsigned long) (sym->hist.scaled_addr
- + UNITS_TO_CODE)));
- sym->hist.scaled_addr += UNITS_TO_CODE;
+ bin_of_entry = (sym->hist.scaled_addr - r->lowpc) / hist_scale;
+ bin_of_code = ((sym->hist.scaled_addr + UNITS_TO_CODE - r->lowpc)
+ / hist_scale);
+ if (bin_of_entry < bin_of_code)
+ {
+ DBG (SAMPLEDEBUG,
+ printf ("[scale_and_align_entries] pushing 0x%lx to 0x%lx\n",
+ (unsigned long) sym->hist.scaled_addr,
+ (unsigned long) (sym->hist.scaled_addr
+ + UNITS_TO_CODE)));
+ sym->hist.scaled_addr += UNITS_TO_CODE;
+ }
}
}
}
four bytes of text space and never have any overlap (the two end
cases, above). */
-void
-hist_assign_samples ()
+static void
+hist_assign_samples_1 (histogram *r)
{
bfd_vma bin_low_pc, bin_high_pc;
bfd_vma sym_low_pc, sym_high_pc;
unsigned int i, j;
double time, credit;
- /* Read samples and assign to symbols. */
- hist_scale = highpc - lowpc;
- hist_scale /= hist_num_bins;
- scale_and_align_entries ();
+ bfd_vma lowpc = r->lowpc / sizeof (UNIT);
/* Iterate over all sample bins. */
- for (i = 0, j = 1; i < hist_num_bins; ++i)
+ for (i = 0, j = 1; i < r->num_bins; ++i)
{
- bin_count = hist_sample[i];
+ bin_count = r->sample[i];
if (! bin_count)
continue;
total_time));
}
+/* Calls 'hist_assign_sampes_1' for all histogram records read so far. */
+void
+hist_assign_samples ()
+{
+ unsigned i;
+
+ scale_and_align_entries ();
+
+ for (i = 0; i < num_histograms; ++i)
+ hist_assign_samples_1 (&histograms[i]);
+
+}
/* Print header for flag histogram profile. */
if (print_descriptions && !bsd_style_output)
flat_blurb (stdout);
}
+
+int
+hist_check_address (unsigned address)
+{
+ unsigned i;
+
+ for (i = 0; i < num_histograms; ++i)
+ if (histograms[i].lowpc <= address && address < histograms[i].highpc)
+ return 1;
+
+ return 0;
+}
+
+#if ! defined(min)
+#define min(a,b) (((a)<(b)) ? (a) : (b))
+#endif
+#if ! defined(max)
+#define max(a,b) (((a)>(b)) ? (a) : (b))
+#endif
+
+void
+hist_clip_symbol_address (bfd_vma *p_lowpc, bfd_vma *p_highpc)
+{
+ unsigned i;
+ int found = 0;
+
+ if (num_histograms == 0)
+ {
+ *p_highpc = *p_lowpc;
+ return;
+ }
+
+ for (i = 0; i < num_histograms; ++i)
+ {
+ bfd_vma common_low, common_high;
+ common_low = max (histograms[i].lowpc, *p_lowpc);
+ common_high = min (histograms[i].highpc, *p_highpc);
+
+ if (common_low < common_high)
+ {
+ if (found)
+ {
+ // FIXME: some proper diagnostics.
+ // like: "a symbol covers more than one histogram record"
+ abort ();
+ }
+
+ found = 1;
+ *p_lowpc = common_low;
+ *p_highpc = common_high;
+ }
+ }
+
+ if (!found)
+ *p_highpc = *p_lowpc;
+}
+
+/* Find and return exising histogram record having the same lowpc and
+ highpc as passed via the parameters. Return NULL if nothing is found.
+ The return value is valid until any new histogram is read. */
+static histogram *
+find_histogram (bfd_vma lowpc, bfd_vma highpc)
+{
+ unsigned i;
+ for (i = 0; i < num_histograms; ++i)
+ {
+ if (histograms[i].lowpc == lowpc && histograms[i].highpc == highpc)
+ return &histograms[i];
+ }
+ return 0;
+}
+
+/* Given a PC, return histogram record which address range include this PC.
+ Return NULL if there's no such record. */
+static histogram *
+find_histogram_for_pc (bfd_vma pc)
+{
+ unsigned i;
+ for (i = 0; i < num_histograms; ++i)
+ {
+ if (histograms[i].lowpc <= pc && pc < histograms[i].highpc)
+ return &histograms[i];
+ }
+ return 0;
+}
#ifndef hist_h
#define hist_h
-extern bfd_vma s_lowpc; /* Lowpc from the profile file. */
-extern bfd_vma s_highpc; /* Highpc from the profile file. */
-extern bfd_vma lowpc, highpc; /* Range profiled, in UNIT's. */
-extern unsigned int hist_num_bins; /* Number of histogram bins. */
-extern int *hist_sample; /* Code histogram. */
+typedef struct histogram
+{
+ bfd_vma lowpc;
+ bfd_vma highpc;
+ unsigned int num_bins;
+ int *sample; /* Histogram samples (shorts in the file!). */
+} histogram;
+
+histogram *histograms;
+unsigned num_histograms;
/* Scale factor converting samples to pc values:
each sample covers HIST_SCALE bytes. */
extern double hist_scale;
-
extern void hist_read_rec (FILE *, const char *);
extern void hist_write_hist (FILE *, const char *);
extern void hist_assign_samples (void);
extern void hist_print (void);
+/* Checks if ADDRESS is within the range of addresses for which
+ we have histogram data. Returns 1 if so and 0 otherwise. */
+extern int hist_check_address (unsigned address);
+
+/* Given a range of addresses for a symbol, find a histogram record
+ that intersects with this range, and clips the range to that
+ histogram record, modifying *P_LOWPC and *P_HIGHPC.
+
+ If no intersection is found, *P_LOWPC and *P_HIGHPC will be set to
+ one unspecified value. If more that one intersection is found,
+ an error is emitted. */
+extern void hist_clip_symbol_address (bfd_vma *p_lowpc, bfd_vma *p_highpc);
+
#endif /* hist_h */
Sym *child;
bfd_vma pc, destpc;
- if (core_text_space == 0)
- {
- return;
- }
- if (p_lowpc < s_lowpc)
- {
- p_lowpc = s_lowpc;
- }
- if (p_highpc > s_highpc)
- {
- p_highpc = s_highpc;
- }
DBG (CALLDEBUG, printf ("[findcall] %s: 0x%lx to 0x%lx\n",
parent->name, (unsigned long) p_lowpc,
(unsigned long) p_highpc));
*/
destpc = bfd_get_32 (core_bfd, instructp + 1) + pc + 5;
- if (destpc >= s_lowpc && destpc <= s_highpc)
+ if (hist_check_address (destpc))
{
child = sym_lookup (&symtab, destpc);
if (child && child->addr == destpc)
indirect_child.cg.cyc.head = &indirect_child;
}
- if (!core_text_space)
- {
- return;
- }
- if (p_lowpc < s_lowpc)
- {
- p_lowpc = s_lowpc;
- }
- if (p_highpc > s_highpc)
- {
- p_highpc = s_highpc;
- }
DBG (CALLDEBUG, printf (_("[find_call] %s: 0x%lx to 0x%lx\n"),
parent->name, (unsigned long) p_lowpc,
(unsigned long) p_highpc));
for (pc = p_lowpc; pc < p_highpc; pc += 4)
{
- op = bfd_get_32 (core_bfd, &((char *)core_text_space)[pc - s_lowpc]);
+ op = bfd_get_32 (core_bfd, ((unsigned char *)core_text_space
+ + pc - core_text_sect->vma));
if ((op & 0xfc000000) == 0x0c000000)
{
/* This is a "jal" instruction. Check that the destination
printf (_("[find_call] 0x%lx: jal"), (unsigned long) pc));
offset = (op & 0x03ffffff) << 2;
dest_pc = (pc & ~(bfd_vma) 0xfffffff) | offset;
- if (dest_pc >= s_lowpc && dest_pc <= s_highpc)
+ if (hist_check_address (dest_pc))
{
child = sym_lookup (&symtab, dest_pc);
DBG (CALLDEBUG,
unsigned int insn;
Sym *child;
- if (core_text_space == 0)
- {
- return;
- }
- if (p_lowpc < s_lowpc)
- {
- p_lowpc = s_lowpc;
- }
- if (p_highpc > s_highpc)
- {
- p_highpc = s_highpc;
- }
DBG (CALLDEBUG, printf ("[find_call] %s: 0x%lx to 0x%lx\n",
parent->name, (unsigned long) p_lowpc,
(unsigned long) p_highpc));
*/
dest_pc = pc + (((bfd_signed_vma) (insn & 0x3fffffff)
^ 0x20000000) - 0x20000000);
- if (dest_pc >= s_lowpc && dest_pc <= s_highpc)
+ if (hist_check_address (dest_pc))
{
child = sym_lookup (&symtab, dest_pc);
DBG (CALLDEBUG,
indirectchild.cg.cyc.head = &indirectchild;
}
- if (core_text_space == 0)
- {
- return;
- }
- if (p_lowpc < s_lowpc)
- {
- p_lowpc = s_lowpc;
- }
- if (p_highpc > s_highpc)
- {
- p_highpc = s_highpc;
- }
DBG (CALLDEBUG, printf ("[findcall] %s: 0x%lx to 0x%lx\n",
parent->name, (unsigned long) p_lowpc,
(unsigned long) p_highpc));
* a function.
*/
destpc = pc + tahoe_offset (instructp + length);
- if (destpc >= s_lowpc && destpc <= s_highpc)
+ if (hist_check_address (destpc))
{
child = sym_lookup (&symtab, destpc);
DBG (CALLDEBUG,
indirectchild.cg.cyc.head = &indirectchild;
}
- if (core_text_space == 0)
- {
- return;
- }
- if (p_lowpc < s_lowpc)
- {
- p_lowpc = s_lowpc;
- }
- if (p_highpc > s_highpc)
- {
- p_highpc = s_highpc;
- }
DBG (CALLDEBUG, printf ("[findcall] %s: 0x%lx to 0x%lx\n",
parent->name, (unsigned long) p_lowpc,
(unsigned long) p_highpc));
* a function.
*/
destpc = pc + vax_offset (instructp + length);
- if (destpc >= s_lowpc && destpc <= s_highpc)
+ if (hist_check_address (destpc))
{
child = sym_lookup (&symtab, destpc);
DBG (CALLDEBUG,
#define m68881 0x040
#define m68851 0x080
#define cpu32 0x100 /* e.g., 68332 */
-#define m68k_mask 0x1ff
+#define fido_a 0x200
+#define m68k_mask 0x3ff
#define mcfmac 0x400 /* ColdFire MAC. */
#define mcfemac 0x800 /* ColdFire EMAC. */
;;
dlx-*-elf*) targ_emul=elf32_dlx
;;
+fido*-*-elf*) targ_emul=m68kelf ;;
fr30-*-*) targ_emul=elf32fr30
;;
frv-*-*linux*) targ_emul=elf32frvfd ;;
/* Should we be calling this psr like we do in case 'Y'? */
{"%mmusr",0x805},
- {"%urp", 0x806}, {"%srp", 0x807}, {"%pcr", 0x808}};
+ {"%urp", 0x806}, {"%srp", 0x807}, {"%pcr", 0x808},
+
+ /* Fido added these. */
+ {"%cac", 0xffe}, {"%mbb", 0xfff}};
val = fetch_arg (buffer, place, 12, info);
for (regno = sizeof names / sizeof names[0] - 1; regno >= 0; regno--)
{"svs", 2, one(0054700), one(0177700), "$s", m68000up },
{"svs", 2, one(0054700), one(0177700), "Ds", mcfisa_a },
+{"sleep", 2, one(0047170), one(0177777), "", fido_a },
+
{"stop", 4, one(0047162), one(0177777), "#w", m68000up | mcfisa_a },
{"strldsr", 4, two(0040347,0043374), two(0177777,0177777), "#w", mcfisa_aa},
{"trapv", 2, one(0047166), one(0177777), "", m68000up },
+{"trapx", 2, one(0047060), one(0177760), "Ts", fido_a },
+
{"tstb", 2, one(0045000), one(0177700), ";b", m68020up|cpu32|mcfisa_a },
{"tstb", 2, one(0045000), one(0177700), "$b", m68000up },
{"tstw", 2, one(0045100), one(0177700), "*w", m68020up|cpu32|mcfisa_a },