/*
- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1983, 1993, 2001
+ * The Regents of the University of California. All rights reserved.
*
- * Redistribution and use in source and binary forms are permitted
- * provided that: (1) source distributions retain this entire copyright
- * notice and comment, and (2) distributions including binaries display
- * the following acknowledgement: ``This product includes software
- * developed by the University of California, Berkeley and its contributors''
- * in the documentation or other materials provided with the distribution
- * and in all advertising materials mentioning features or use of this
- * software. Neither the name of the University nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
*/
#include "gprof.h"
+#include "search_list.h"
+#include "source.h"
+#include "symtab.h"
#include "cg_arcs.h"
#include "corefile.h"
#include "hist.h"
-#include "symtab.h"
/*
* opcode of the `calls' instruction
};
typedef enum opermodes operandenum;
-struct modebyte
- {
- unsigned int regfield:4;
- unsigned int modefield:4;
- };
+/* *INDENT-OFF* */
+/* Here to document only. We can't use this when cross compiling as
+ the bitfield layout might not be the same as native.
+
+ struct modebyte
+ {
+ unsigned int regfield:4;
+ unsigned int modefield:4;
+ };
+*/
+/* *INDENT-ON* */
/*
* A symbol to be the child of indirect calls:
*/
-Sym indirectchild;
+static Sym indirectchild;
+static operandenum vax_operandmode (unsigned char *);
+static char *vax_operandname (operandenum);
+static long vax_operandlength (unsigned char *);
+static bfd_signed_vma vax_offset (unsigned char *);
+void vax_find_call (Sym *, bfd_vma, bfd_vma);
static operandenum
-vax_operandmode (modep)
- struct modebyte *modep;
+vax_operandmode (unsigned char *modep)
{
- long usesreg = modep->regfield;
+ int usesreg = *modep & 0xf;
- switch (modep->modefield)
+ switch ((*modep >> 4) & 0xf)
{
case 0:
case 1:
}
static char *
-vax_operandname (mode)
- operandenum mode;
+vax_operandname (operandenum mode)
{
switch (mode)
}
static long
-vax_operandlength (modep)
- struct modebyte *modep;
+vax_operandlength (unsigned char *modep)
{
switch (vax_operandmode (modep))
case longreldef:
return 5;
case indexed:
- return 1 + vax_operandlength ((struct modebyte *) ((char *) modep) + 1);
+ return 1 + vax_operandlength (modep + 1);
}
/* NOTREACHED */
abort ();
}
-static bfd_vma
-vax_reladdr (modep)
- struct modebyte *modep;
+static bfd_signed_vma
+vax_offset (unsigned char *modep)
{
operandenum mode = vax_operandmode (modep);
- char *cp;
- short *sp;
- long *lp;
- cp = (char *) modep;
- ++cp; /* skip over the mode */
+ ++modep; /* skip over the mode */
switch (mode)
{
default:
fprintf (stderr, "[reladdr] not relative address\n");
- return (bfd_vma) modep;
+ return 0;
case byterel:
- return (bfd_vma) (cp + sizeof *cp + *cp);
+ return 1 + bfd_get_signed_8 (core_bfd, modep);
case wordrel:
- sp = (short *) cp;
- return (bfd_vma) (cp + sizeof *sp + *sp);
+ return 2 + bfd_get_signed_16 (core_bfd, modep);
case longrel:
- lp = (long *) cp;
- return (bfd_vma) (cp + sizeof *lp + *lp);
+ return 4 + bfd_get_signed_32 (core_bfd, modep);
}
}
void
-vax_find_call (parent, p_lowpc, p_highpc)
- Sym *parent;
- bfd_vma p_lowpc;
- bfd_vma p_highpc;
+vax_find_call (Sym *parent, bfd_vma p_lowpc, bfd_vma p_highpc)
{
unsigned char *instructp;
long length;
Sym *child;
operandenum mode;
operandenum firstmode;
- bfd_vma destpc;
- static bool inited = FALSE;
+ bfd_vma pc, destpc;
+ static bool inited = false;
if (!inited)
{
- inited = TRUE;
+ inited = true;
sym_init (&indirectchild);
indirectchild.cg.prop.fract = 1.0;
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, p_lowpc, p_highpc));
- for (instructp = (unsigned char *) core_text_space + p_lowpc;
- instructp < (unsigned char *) core_text_space + p_highpc;
- instructp += length)
+ parent->name, (unsigned long) p_lowpc,
+ (unsigned long) p_highpc));
+ for (pc = p_lowpc; pc < p_highpc; pc += length)
{
+ unsigned char *operand;
+
length = 1;
- if (*instructp == CALLS)
+ instructp = ((unsigned char *) core_text_space
+ + pc - core_text_sect->vma);
+ if ((*instructp & 0xff) == CALLS)
{
/*
* maybe a calls, better check it out.
* skip the count of the number of arguments.
*/
DBG (CALLDEBUG,
- printf ("[findcall]\t0x%x:calls",
- instructp - (unsigned char *) core_text_space));
- firstmode = vax_operandmode ((struct modebyte *) (instructp + length));
+ printf ("[findcall]\t0x%lx:calls", (unsigned long) pc));
+ if (pc - core_text_sect->vma + length >= core_text_sect->size)
+ goto botched;
+ operand = instructp + length;
+ firstmode = vax_operandmode (operand);
switch (firstmode)
{
case literal:
default:
goto botched;
}
- length += vax_operandlength ((struct modebyte *) (instructp + length));
- mode = vax_operandmode ((struct modebyte *) (instructp + length));
+ length += vax_operandlength (operand);
+ if (pc - core_text_sect->vma + length >= core_text_sect->size)
+ goto botched;
+ operand = instructp + length;
+ mode = vax_operandmode (operand);
DBG (CALLDEBUG,
printf ("\tfirst operand is %s", vax_operandname (firstmode));
printf ("\tsecond operand is %s\n", vax_operandname (mode)));
* [are there others that we miss?,
* e.g. arrays of pointers to functions???]
*/
+ length += vax_operandlength (operand);
+ if (pc - core_text_sect->vma + length > core_text_sect->size)
+ goto botched;
arc_add (parent, &indirectchild, (unsigned long) 0);
- length += vax_operandlength (
- (struct modebyte *) (instructp + length));
continue;
case byterel:
case wordrel:
case longrel:
/*
* regular pc relative addressing
- * check that this is the address of
+ * check that this is the address of
* a function.
*/
- destpc = vax_reladdr ((struct modebyte *) (instructp + length))
- - (bfd_vma) core_text_space;
- if (destpc >= s_lowpc && destpc <= s_highpc)
+ length += vax_operandlength (operand);
+ if (pc - core_text_sect->vma + length > core_text_sect->size)
+ goto botched;
+ destpc = pc + vax_offset (operand);
+ if (hist_check_address (destpc))
{
child = sym_lookup (&symtab, destpc);
- DBG (CALLDEBUG,
- printf ("[findcall]\tdestpc 0x%lx", destpc);
- printf (" child->name %s", child->name);
- printf (" child->addr 0x%lx\n", child->addr);
- );
- if (child->addr == destpc)
+ if (child)
{
- /*
- * a hit
- */
- arc_add (parent, child, (unsigned long) 0);
- length += vax_operandlength ((struct modebyte *)
- (instructp + length));
- continue;
+ DBG (CALLDEBUG,
+ printf ("[findcall]\tdestpc 0x%lx",
+ (unsigned long) destpc);
+ printf (" child->name %s", child->name);
+ printf (" child->addr 0x%lx\n",
+ (unsigned long) child->addr);
+ );
+ if (child->addr == destpc)
+ {
+ /*
+ * a hit
+ */
+ arc_add (parent, child, (unsigned long) 0);
+ continue;
+ }
}
goto botched;
}
projects / thirdparty / binutils-gdb.git / blobdiff