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-rw-r--r--gprof/tahoe.c345
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diff --git a/gprof/tahoe.c b/gprof/tahoe.c
deleted file mode 100644
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--- a/gprof/tahoe.c
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@@ -1,345 +0,0 @@
-/*
- * 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 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:
- */
-Sym indirectchild;
-
-
-tahoe_operandenum
-tahoe_operandmode (modep)
- unsigned char *modep;
-{
- long usesreg = ((long) *modep) & 0xf;
-
- switch (((long) *modep) >> 4)
- {
- 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 ();
-}
-
-char *
-tahoe_operandname (mode)
- 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 ();
-}
-
-long
-tahoe_operandlength (modep)
- 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 ();
-}
-
-bfd_vma
-tahoe_reladdr (modep)
- char *modep;
-{
- tahoe_operandenum mode = tahoe_operandmode (modep);
- char *cp;
- short *sp;
- long *lp;
- int i;
- long value = 0;
-
- cp = modep;
- ++cp; /* skip over the mode */
- switch (mode)
- {
- default:
- fprintf (stderr, "[reladdr] not relative address\n");
- return (bfd_vma) modep;
- case byterel:
- return (bfd_vma) (cp + sizeof *cp + *cp);
- case wordrel:
- for (i = 0; (size_t) i < sizeof *sp; i++)
- value = (value << 8) + (cp[i] & 0xff);
- return (bfd_vma) (cp + sizeof *sp + value);
- case longrel:
- for (i = 0; (size_t) i < sizeof *lp; i++)
- value = (value << 8) + (cp[i] & 0xff);
- return (bfd_vma) (cp + sizeof *lp + value);
- }
-}
-
-void
-tahoe_find_call (parent, p_lowpc, p_highpc)
- 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 destpc;
- 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;
- }
- 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)
- {
- length = 1;
- if (*instructp == CALLF)
- {
- /*
- * maybe a callf, better check it out.
- * skip the count of the number of arguments.
- */
- DBG (CALLDEBUG, printf ("[findcall]\t0x%x:callf",
- instructp - (unsigned char *) core_text_space));
- 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 = tahoe_reladdr (instructp + length)
- - (bfd_vma) core_text_space;
- if (destpc >= s_lowpc && destpc <= s_highpc)
- {
- 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)
- {
- /*
- * 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;
- }
- }
- }
-}