usr/src/cmd/sgs/gprof/common/sparc.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1993 by Sun Microsystems, Inc.
  24  */
  25
  26 #pragma ident   "%Z%%M% %I%     %E% SMI"
  27
  28     /*
  29      *  opcodes of the call instructions
  30      */
  31     /*
  32      *  offset (in bytes) of the code from the entry address of a routine.
  33      *  (see asgnsamples for use and explanation.)
  34      */
  35 #define OFFSET_OF_CODE  0 /* there is no mask on a SPARC */
  36 #define UNITS_TO_CODE   (OFFSET_OF_CODE / sizeof(UNIT))
  37     /*
  38      *  address at which text begins N_TXTADDR is defined in a.out.h
  39      */
  40 #ifdef _SYS_ELF_H
  41 extern size_t   textbegin;
  42 #define TORIGIN (unsigned int)  textbegin
  43 #else
  44 #define TORIGIN ((unsigned long) N_TXTADDR(xbuf))
  45 #endif
  46     /*
  47      *  Macros for manipulating instruction fields.  These use the
  48      *  structures defined below
  49      */
  50 #define OP(x)           (((union instruct *) (x))->f_1.op)
  51 #define DISP30(x)       (((union instruct *) (x))->f_1.disp30)
  52 #define OP3(x)          (((union instruct *) (x))->f_3c.op3)
  53 #define RD(x)           (((union instruct *) (x))->f_3c.rd)
  54 #define IMMED(x)        (((union instruct *) (x))->f_3c.i)
  55 #define SIMM13(x)       (((((union instruct *) (x))->f_3d.simm13) << 19) >> 19)
  56 #define RS1(x)          (((union instruct *) (x))->f_3c.rs1)
  57 #define RS2(x)          (((union instruct *) (x))->f_3c.rs2)
  58     /*
  59      *  a few values for operand and register fields
  60      */
  61 #define CALL            0x1
  62 #define FMT3_0x10       0x2
  63 #define JMPL            0x38
  64 #define R_G0            0x0
  65 #define R_O7            0xF
  66 #define R_I7            0x1F
  67     /*
  68      *  A macro for converting from instructp to the appropriate address in
  69      *  the program
  70      */
  71 #define PC_VAL(x)       ((x) - (unsigned long) textspace + TORIGIN)
  72         /*
  73          *      structures for decoding instructions
  74          */
  75 struct f_1 {
  76     unsigned long   op:2,
  77                     disp30:30;
  78 };
  79 struct f_2a {
  80     unsigned long   op:2,
  81                     rd:5,
  82                     op2:3,
  83                     imm22:22;
  84 };
  85 struct f_2b {
  86     unsigned long   op:2,
  87                     a:1,
  88                     cond:4,
  89                     op2:3,
  90                     disp22:22;
  91 };
  92 struct f_3a {
  93     unsigned long   op:2,
  94                     ign1:1,
  95                     cond:4,
  96                     op3:6,
  97                     rs1:5,
  98                     i:1,
  99                     ign2:8,
 100                     rs2:5;
 101 };
 102 struct f_3b {
 103     unsigned long   op:2,
 104                     ign1:1,
 105                     cond:4,
 106                     op3:6,
 107                     rs1:5,
 108                     i:1,
 109                     simm13:13;
 110 };
 111 struct f_3c {
 112     unsigned long   op:2,
 113                     rd:5,
 114                     op3:6,
 115                     rs1:5,
 116                     i:1,
 117                     asi:8,
 118                     rs2:5;
 119 };
 120 struct f_3d {
 121     unsigned long   op:2,
 122                     rd:5,
 123                     op3:6,
 124                     rs1:5,
 125                     i:1,
 126                     simm13:13;
 127 };
 128 struct f_3e {
 129     unsigned long   op:2,
 130                     rd:5,
 131                     op3:6,
 132                     rs1:5,
 133                     opf:9,
 134                     rs2:5;
 135 };
 136
 137 union instruct {
 138         struct f_1      f_1;
 139         struct f_2a     f_2a;
 140         struct f_2b     f_2b;
 141         struct f_3a     f_3a;
 142         struct f_3b     f_3b;
 143         struct f_3c     f_3c;
 144         struct f_3d     f_3d;
 145         struct f_3e     f_3e;
 146 };
 147