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-rw-r--r--gprof/tahoe.c339
1 files changed, 0 insertions, 339 deletions
diff --git a/gprof/tahoe.c b/gprof/tahoe.c
deleted file mode 100644
index 93d2997..0000000
--- a/gprof/tahoe.c
+++ /dev/null
@@ -1,339 +0,0 @@
-/*
- * Copyright (c) 1983, 1993, 2001
- * The Regents of the University of California. All rights reserved.
- *
- * 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"
-
- /*
- * opcode of the `callf' instruction
- */
-#define CALLF 0xfe
-
- /*
- * register for pc relative addressing
- */
-#define PC 0xf
-
-enum tahoe_opermodes
- {
- literal, indexed, reg, regdef, autodec, autoinc, autoincdef,
- bytedisp, bytedispdef, worddisp, worddispdef, longdisp, longdispdef,
- immediate, absolute, byterel, bytereldef, wordrel, wordreldef,
- longrel, longreldef
- };
-typedef enum tahoe_opermodes tahoe_operandenum;
-
-/*
- * A symbol to be the child of indirect callf:
- */
-static Sym indirectchild;
-
-static tahoe_operandenum tahoe_operandmode (unsigned char *);
-static char *tahoe_operandname (tahoe_operandenum);
-static long tahoe_operandlength (unsigned char *);
-static bfd_signed_vma tahoe_offset (unsigned char *);
-void tahoe_find_call (Sym *, bfd_vma, bfd_vma);
-
-static tahoe_operandenum
-tahoe_operandmode (unsigned char *modep)
-{
- long usesreg = *modep & 0xf;
-
- switch ((*modep >> 4) & 0xf)
- {
- case 0:
- case 1:
- case 2:
- case 3:
- return literal;
- case 4:
- return indexed;
- case 5:
- return reg;
- case 6:
- return regdef;
- case 7:
- return autodec;
- case 8:
- return usesreg != 0xe ? autoinc : immediate;
- case 9:
- return usesreg != PC ? autoincdef : absolute;
- case 10:
- return usesreg != PC ? bytedisp : byterel;
- case 11:
- return usesreg != PC ? bytedispdef : bytereldef;
- case 12:
- return usesreg != PC ? worddisp : wordrel;
- case 13:
- return usesreg != PC ? worddispdef : wordreldef;
- case 14:
- return usesreg != PC ? longdisp : longrel;
- case 15:
- return usesreg != PC ? longdispdef : longreldef;
- }
- /* NOTREACHED */
- abort ();
-}
-
-static char *
-tahoe_operandname (tahoe_operandenum mode)
-{
-
- switch (mode)
- {
- case literal:
- return "literal";
- case indexed:
- return "indexed";
- case reg:
- return "register";
- case regdef:
- return "register deferred";
- case autodec:
- return "autodecrement";
- case autoinc:
- return "autoincrement";
- case autoincdef:
- return "autoincrement deferred";
- case bytedisp:
- return "byte displacement";
- case bytedispdef:
- return "byte displacement deferred";
- case byterel:
- return "byte relative";
- case bytereldef:
- return "byte relative deferred";
- case worddisp:
- return "word displacement";
- case worddispdef:
- return "word displacement deferred";
- case wordrel:
- return "word relative";
- case wordreldef:
- return "word relative deferred";
- case immediate:
- return "immediate";
- case absolute:
- return "absolute";
- case longdisp:
- return "long displacement";
- case longdispdef:
- return "long displacement deferred";
- case longrel:
- return "long relative";
- case longreldef:
- return "long relative deferred";
- }
- /* NOTREACHED */
- abort ();
-}
-
-static long
-tahoe_operandlength (unsigned char *modep
-)
-{
-
- switch (tahoe_operandmode (modep))
- {
- case literal:
- case reg:
- case regdef:
- case autodec:
- case autoinc:
- case autoincdef:
- return 1;
- case bytedisp:
- case bytedispdef:
- case byterel:
- case bytereldef:
- return 2;
- case worddisp:
- case worddispdef:
- case wordrel:
- case wordreldef:
- return 3;
- case immediate:
- case absolute:
- case longdisp:
- case longdispdef:
- case longrel:
- case longreldef:
- return 5;
- case indexed:
- return 1 + tahoe_operandlength (modep + 1);
- }
- /* NOTREACHED */
- abort ();
-}
-
-static bfd_signed_vma
-tahoe_offset (unsigned char *modep)
-{
- tahoe_operandenum mode = tahoe_operandmode (modep);
-
- ++modep; /* skip over the mode */
- switch (mode)
- {
- default:
- fprintf (stderr, "[reladdr] not relative address\n");
- return 0;
- case byterel:
- return 1 + bfd_get_signed_8 (core_bfd, modep);
- case wordrel:
- return 2 + bfd_get_signed_16 (core_bfd, modep);
- case longrel:
- return 4 + bfd_get_signed_32 (core_bfd, modep);
- }
-}
-
-void
-tahoe_find_call (Sym *parent, bfd_vma p_lowpc, bfd_vma p_highpc)
-{
- unsigned char *instructp;
- long length;
- Sym *child;
- tahoe_operandenum mode;
- tahoe_operandenum firstmode;
- bfd_vma pc, destpc;
- static bfd_boolean inited = FALSE;
-
- if (!inited)
- {
- inited = TRUE;
- sym_init (&indirectchild);
- indirectchild.cg.prop.fract = 1.0;
- indirectchild.cg.cyc.head = &indirectchild;
- }
-
- DBG (CALLDEBUG, printf ("[findcall] %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 += length)
- {
- length = 1;
- instructp = ((unsigned char *) core_text_space
- + pc - core_text_sect->vma);
- if ((*instructp & 0xff) == CALLF)
- {
- /*
- * maybe a callf, better check it out.
- * skip the count of the number of arguments.
- */
- DBG (CALLDEBUG, printf ("[findcall]\t0x%lx:callf",
- (unsigned long) pc));
- firstmode = tahoe_operandmode (instructp + length);
- switch (firstmode)
- {
- case literal:
- case immediate:
- break;
- default:
- goto botched;
- }
- length += tahoe_operandlength (instructp + length);
- mode = tahoe_operandmode (instructp + length);
- DBG (CALLDEBUG,
- printf ("\tfirst operand is %s", tahoe_operandname (firstmode));
- printf ("\tsecond operand is %s\n", tahoe_operandname (mode));
- );
- switch (mode)
- {
- case regdef:
- case bytedispdef:
- case worddispdef:
- case longdispdef:
- case bytereldef:
- case wordreldef:
- case longreldef:
- /*
- * indirect call: call through pointer
- * either *d(r) as a parameter or local
- * (r) as a return value
- * *f as a global pointer
- * [are there others that we miss?,
- * e.g. arrays of pointers to functions???]
- */
- arc_add (parent, &indirectchild, (unsigned long) 0);
- length += tahoe_operandlength (instructp + length);
- continue;
- case byterel:
- case wordrel:
- case longrel:
- /*
- * regular pc relative addressing
- * check that this is the address of
- * a function.
- */
- destpc = pc + tahoe_offset (instructp + length);
- if (hist_check_address (destpc))
- {
- child = sym_lookup (&symtab, destpc);
- if (child)
- {
- 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);
- length += tahoe_operandlength (instructp + length);
- continue;
- }
- }
- goto botched;
- }
- /*
- * else:
- * it looked like a callf,
- * but it wasn't to anywhere.
- */
- goto botched;
- default:
- botched:
- /*
- * something funny going on.
- */
- DBG (CALLDEBUG, printf ("[findcall]\tbut it's a botch\n"));
- length = 1;
- continue;
- }
- }
- }
-}
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