binutils-gdb/gprof/mips.c

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/*
* Copyright (c) 1983, 1998 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"
* alpha.c (alpha_Instruction): Don't use. (alpha_find_call): Avoid use of bitfields and casts between pointers and integers of different sizes. Avoid endian problems when cross-compiling. * vax.c (vax_find_call): Likewise. (struct modebyte): Don't use. (vax_operandmode): Pass in an unsigned char *. (vax_operandlength): Likewise. (vax_reladdr): Rename to vax_offset and return relative offset rather than address. * i386.c (i386_find_call): Avoid casts between pointers and integers of different sizes. * sparc.c (sparc_find_call): Likewise. Avoid endian problems. * tahoe.c (tahoe_find_call): Likewise. (tahoe_reladdr): Rename to tahoe_offset and return relative offset rather than address. * basic_blocks.h: Don't include headers here. * call_graph.h: Likewise. * cg_arcs.h: Likewise. * cg_print.h: Likewise. * corefile.h: Likewise. * gmon_io.h: Likewise. * gmon_out.h: Likewise. * hertz.h: Likewise. * hist.h: Likewise. * source.h: Likewise. * sym_ids.h: Likewise. * symtab.h: Likewise. * gprof.h: Don't include ansidecl.h, do include bfd.h. (bool): Don't typedef. * alpha.c: Adjust #include's for above header changes. * basic_blocks.c: Likewise. * call_graph.c: Likewise. * cg_arcs.c: Likewise. * cg_dfn.c: Likewise. * cg_print.c: Likewise. * corefile.c: Likewise. * gmon_io.c: Likewise. * gprof.c: Likewise. * hertz.c: Likewise. * hist.c: Likewise. * i386.c: Likewise. * mips.c: Likewise. * sparc.c: Likewise. * sym_ids.c: Likewise. * symtab.c: Likewise. * tahoe.c: Likewise. * utils.c: Likewise. * vax.c: Likewise. * po/POTFILES.in: Regenerate.
2002-01-31 13:56:08 +01:00
#include "search_list.h"
#include "source.h"
#include "symtab.h"
#include "cg_arcs.h"
#include "corefile.h"
#include "hist.h"
static Sym indirect_child;
void mips_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
void
mips_find_call (parent, p_lowpc, p_highpc)
Sym *parent;
bfd_vma p_lowpc;
bfd_vma p_highpc;
{
bfd_vma pc, dest_pc;
unsigned int op;
int offset;
Sym *child;
static boolean inited = false;
if (!inited)
{
inited = true;
sym_init (&indirect_child);
indirect_child.name = _("<indirect child>");
indirect_child.cg.prop.fract = 1.0;
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]);
if ((op & 0xfc000000) == 0x0c000000)
{
/* This is a "jal" instruction. Check that the destination
is the address of a function. */
DBG (CALLDEBUG,
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)
{
child = sym_lookup (&symtab, dest_pc);
DBG (CALLDEBUG,
printf (" 0x%lx\t; name=%s, addr=0x%lx",
(unsigned long) dest_pc, child->name,
(unsigned long) child->addr));
if (child->addr == dest_pc)
{
DBG (CALLDEBUG, printf ("\n"));
/* a hit: */
arc_add (parent, child, (unsigned long) 0);
continue;
}
}
/* Something funny going on. */
DBG (CALLDEBUG, printf ("\tbut it's a botch\n"));
}
else if ((op & 0xfc00f83f) == 0x0000f809)
{
/* This is a "jalr" instruction (indirect call). */
DBG (CALLDEBUG,
printf (_("[find_call] 0x%lx: jalr\n"), (unsigned long) pc));
arc_add (parent, &indirect_child, (unsigned long) 0);
}
}
}