| 1 | /*
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| 2 | * Copyright (c) 1983, 1993, 2001
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| 3 | * The Regents of the University of California. All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. Neither the name of the University nor the names of its contributors
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| 14 | * may be used to endorse or promote products derived from this software
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| 15 | * without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 27 | * SUCH DAMAGE.
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| 28 | */
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| 29 | #include "gprof.h"
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| 30 | #include "search_list.h"
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| 31 | #include "source.h"
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| 32 | #include "symtab.h"
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| 33 | #include "cg_arcs.h"
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| 34 | #include "corefile.h"
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| 35 | #include "hist.h"
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| 36 |
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| 37 | /*
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| 38 | * opcode of the `calls' instruction
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| 39 | */
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| 40 | #define CALLS 0xfb
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| 41 |
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| 42 | /*
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| 43 | * register for pc relative addressing
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| 44 | */
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| 45 | #define PC 0xf
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| 46 |
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| 47 | enum opermodes
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| 48 | {
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| 49 | literal, indexed, reg, regdef, autodec, autoinc, autoincdef,
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| 50 | bytedisp, bytedispdef, worddisp, worddispdef, longdisp, longdispdef,
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| 51 | immediate, absolute, byterel, bytereldef, wordrel, wordreldef,
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| 52 | longrel, longreldef
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| 53 | };
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| 54 | typedef enum opermodes operandenum;
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| 55 |
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| 56 | #if 0
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| 57 | /* Here to document only. We can't use this when cross compiling as
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| 58 | the bitfield layout might not be the same as native. */
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| 59 | struct modebyte
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| 60 | {
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| 61 | unsigned int regfield:4;
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| 62 | unsigned int modefield:4;
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| 63 | };
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| 64 | #endif
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| 65 |
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| 66 | /*
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| 67 | * A symbol to be the child of indirect calls:
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| 68 | */
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| 69 | static Sym indirectchild;
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| 70 |
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| 71 | static operandenum vax_operandmode PARAMS ((unsigned char *));
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| 72 | static char *vax_operandname PARAMS ((operandenum));
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| 73 | static long vax_operandlength PARAMS ((unsigned char *));
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| 74 | static bfd_signed_vma vax_offset PARAMS ((unsigned char *));
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