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Add mips support to bfd-based gprof.

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This commit is contained in:
tv 1999-02-09 18:16:33 +00:00
parent 87e810db61
commit 7296135ae8
2 changed files with 114 additions and 0 deletions
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7
gnu/dist/gprof/core.c vendored
View File

@ -26,6 +26,7 @@ extern void alpha_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
extern void vax_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
extern void tahoe_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
extern void sparc_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
extern void mips_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
static void
DEFUN (read_function_mappings, (filename), const char *filename)
@ -235,9 +236,15 @@ DEFUN (find_call, (parent, p_lowpc, p_highpc),
sparc_find_call (parent, p_lowpc, p_highpc);
break;
case bfd_arch_mips:
mips_find_call (parent, p_lowpc, p_highpc);
break;
#ifndef __NetBSD__
case bfd_arch_tahoe:
tahoe_find_call (parent, p_lowpc, p_highpc);
break;
#endif
default:
fprintf (stderr, "%s: -c not supported on architecture %s\n",

107
gnu/dist/gprof/mips.c vendored Normal file
View File

@ -0,0 +1,107 @@
/* $NetBSD: mips.c,v 1.1 1999/02/09 18:16:33 tv Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley. Modified by Ralph Campbell for mips.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* From: sparc.c 5.1 (Berkeley) 7/7/92
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)mips.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: mips.c,v 1.1 1999/02/09 18:16:33 tv Exp $");
#endif
#endif /* not lint */
#include "gprof.h"
#include "cg_arcs.h"
#include "core.h"
#include "hist.h"
#include "symtab.h"
static Sym indirectchild;
void
findcall(parentp, p_lowpc, p_highpc)
Sym *parentp;
bfd_vma p_lowpc;
bfd_vma p_highpc;
{
bfd_vma pc;
Sym *childp;
bfd_vma destpc;
unsigned int op;
int off;
static bool inited = FALSE;
if (!inited) {
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;
for (pc = p_lowpc; pc < p_highpc; pc += 4) {
off = pc - s_lowpc;
op = *(unsigned int *)&(((const char *)core_text_space)[off]);
if ((op & 0xfc000000) == 0x0c000000) {
/*
* a jal insn -- check that this
* is the address of a function.
*/
off = (op & 0x03ffffff) << 2;
destpc = (pc & 0xf0000000) | off;
if (destpc >= s_lowpc && destpc <= s_highpc) {
childp = sym_lookup(&symtab, destpc);
if (childp != 0 && childp->addr == destpc)
addarc(parentp, childp, 0L);
}
} else if ((op & 0xfc00f83f) == 0x0000f809)
/*
* A jalr -- an indirect call.
*/
addarc(parentp, &indirectchild, 0L);
}
}