[deliverable/binutils-gdb.git] / gprof / sparc.c

/*
 * Copyright (c) 1983 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.
 */
#include "gprof.h"
#include "cg_arcs.h"
#include "corefile.h"
#include "hist.h"
#include "symtab.h"

    /*
     *        opcode of the `callf' instruction
     */
#define	CALL	(0xc0000000)

void
sparc_find_call (parent, p_lowpc, p_highpc)
     Sym *parent;
     bfd_vma p_lowpc;
     bfd_vma p_highpc;
{
  bfd_vma dest_pc, delta;
  unsigned int *instr;
  Sym *child;

  delta = (bfd_vma) core_text_space - core_text_sect->vma;

  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));
  for (instr = (unsigned int *) (((p_lowpc + delta) + 3) &~ 3);
       instr < (unsigned int *) (p_highpc + delta);
       ++instr)
    {
      if ((*instr & CALL))
	{
	  DBG (CALLDEBUG,
	       printf ("[find_call] 0x%lx: callf",
		       (unsigned long) instr - delta));
	  /*
	   * Regular pc relative addressing check that this is the
	   * address of a function.
	   */
	  dest_pc = ((bfd_vma) (instr + (*instr & ~CALL))) - delta;
	  if (dest_pc >= s_lowpc && dest_pc <= s_highpc)
	    {
	      child = sym_lookup (&symtab, dest_pc);
	      DBG (CALLDEBUG,
		   printf ("\tdest_pc=0x%lx, (name=%s, addr=0x%lx)\n",
			   (unsigned long) dest_pc, child->name,
			   (unsigned long) child->addr));
	      if (child->addr == dest_pc)
		{
		  /* a hit:  */
		  arc_add (parent, child, (unsigned long) 0);
		  continue;
		}
	    }
	  /*
	   * Something funny going on.
	   */
	  DBG (CALLDEBUG, printf ("\tbut it's a botch\n"));
	}
    }
}
Commit	Line	Data
252b5132 RH	1	/*
	2	* Copyright (c) 1983 Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms are permitted
	6	* provided that: (1) source distributions retain this entire copyright
	7	* notice and comment, and (2) distributions including binaries display
	8	* the following acknowledgement: ``This product includes software
	9	* developed by the University of California, Berkeley and its contributors''
	10	* in the documentation or other materials provided with the distribution
	11	* and in all advertising materials mentioning features or use of this
	12	* software. Neither the name of the University nor the names of its
	13	* contributors may be used to endorse or promote products derived
	14	* from this software without specific prior written permission.
	15	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	16	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	17	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
	18	*/
	19	#include "gprof.h"
	20	#include "cg_arcs.h"
	21	#include "corefile.h"
	22	#include "hist.h"
	23	#include "symtab.h"
	24
	25	/*
	26	* opcode of the `callf' instruction
	27	*/
	28	#define CALL (0xc0000000)
	29
	30	void
	31	sparc_find_call (parent, p_lowpc, p_highpc)
	32	Sym *parent;
	33	bfd_vma p_lowpc;
	34	bfd_vma p_highpc;
	35	{
	36	bfd_vma dest_pc, delta;
	37	unsigned int *instr;
	38	Sym *child;
	39
	40	delta = (bfd_vma) core_text_space - core_text_sect->vma;
	41
	42	if (core_text_space == 0)
	43	{
	44	return;
	45	}
	46	if (p_lowpc < s_lowpc)
	47	{
	48	p_lowpc = s_lowpc;
	49	}
	50	if (p_highpc > s_highpc)
	51	{
	52	p_highpc = s_highpc;
	53	}
	54	DBG (CALLDEBUG, printf ("[find_call] %s: 0x%lx to 0x%lx\n",
fdcf7d43 ILT	55	parent->name, (unsigned long) p_lowpc,
fdcf7d43 ILT	56	(unsigned long) p_highpc));
252b5132 RH	57	for (instr = (unsigned int *) (((p_lowpc + delta) + 3) &~ 3);
	58	instr < (unsigned int *) (p_highpc + delta);
	59	++instr)
	60	{
	61	if ((*instr & CALL))
	62	{
	63	DBG (CALLDEBUG,
fdcf7d43 ILT	64	printf ("[find_call] 0x%lx: callf",
fdcf7d43 ILT	65	(unsigned long) instr - delta));
252b5132 RH	66	/*
	67	* Regular pc relative addressing check that this is the
	68	* address of a function.
	69	*/
	70	dest_pc = ((bfd_vma) (instr + (*instr & ~CALL))) - delta;
	71	if (dest_pc >= s_lowpc && dest_pc <= s_highpc)
	72	{
	73	child = sym_lookup (&symtab, dest_pc);
	74	DBG (CALLDEBUG,
	75	printf ("\tdest_pc=0x%lx, (name=%s, addr=0x%lx)\n",
fdcf7d43 ILT	76	(unsigned long) dest_pc, child->name,
fdcf7d43 ILT	77	(unsigned long) child->addr));
252b5132 RH	78	if (child->addr == dest_pc)
	79	{
	80	/* a hit: */
	81	arc_add (parent, child, (unsigned long) 0);
	82	continue;
	83	}
	84	}
	85	/*
	86	* Something funny going on.
	87	*/
	88	DBG (CALLDEBUG, printf ("\tbut it's a botch\n"));
	89	}
	90	}
	91	}