ppc/sys/genassym.h

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * genassym.h -- macros of use with genassym.c and assymdefs.c
  24  */
  25
  26 #import <architecture/ppc/reg_help.h>
  27 #import <architecture/ppc/macro_help.h>
  28
  29 #define PRINT_OFFSET(ptr_type, field)                                   \
  30 MACRO_BEGIN                                                             \
  31         print_define("", #ptr_type, #field);                            \
  32         print_hex((unsigned) &(((ptr_type)0)->field));                  \
  33 MACRO_END
  34
  35 #define PRINT_BIT_FIELD(reg_type, field)                                \
  36 MACRO_BEGIN                                                             \
  37         reg_type __reg;                                                 \
  38         CONTENTS(__reg) = 0;                                            \
  39         __reg.field = (typeof (__reg.field)) -1;                        \
  40         print_define("", #reg_type, #field);                            \
  41         print_hex(CONTENTS(__reg));                                     \
  42 MACRO_END
  43
  44 #define PRINT_ENUM(item)                                                \
  45 MACRO_BEGIN                                                             \
  46         print_define("", "", #item);                                    \
  47         print_hex((unsigned)item);                                      \
  48 MACRO_END
  49
  50 #define PRINT_DEFINE(macro)                                             \
  51 MACRO_BEGIN                                                             \
  52         print_define("", "", #macro);                                   \
  53         print_str(STRINGIFY(macro));                                    \
  54 MACRO_END
  55
  56 #define PRINT_CONSTANT(macro)                                           \
  57 MACRO_BEGIN                                                             \
  58         print_define("", "", #macro);                                   \
  59         print_hex((unsigned)macro);                                     \
  60 MACRO_END
  61
  62 #define PRINT_REGADDR(macro)                                            \
  63 MACRO_BEGIN                                                             \
  64         print_define("", "", #macro);                                   \
  65         print_hex((unsigned) &macro);                                   \
  66 MACRO_END
  67
  68 #define PRINT_REG_PAIR(struct_ptr, name0, name1)                        \
  69 MACRO_BEGIN                                                             \
  70         print_define("", #struct_ptr, #name0 "_" #name1);               \
  71         print_hex((unsigned) &(((struct_ptr)0)->U_##name0##_##name1));  \
  72 MACRO_END
  73
  74 #define PRINT_BIT_POS(reg_type, field)                                  \
  75 MACRO_BEGIN                                                             \
  76         reg_type __reg;                                                 \
  77         CONTENTS(__reg) = 0;                                            \
  78         __reg.field = 1;                                                \
  79         print_define("", #reg_type, #field "_BIT");                     \
  80         print_dec((int) bit_num(#reg_type, #field, CONTENTS(__reg)));   \
  81 MACRO_END
  82
  83 #define PRINT_FIELD_INFO(reg_type, field)                               \
  84 MACRO_BEGIN                                                             \
  85         reg_type __reg;                                                 \
  86         CONTENTS(__reg) = 0;                                            \
  87         __reg.field = -1;                                               \
  88         print_define("", #reg_type, #field "_OFF");                     \
  89         print_dec((int) bit_num(#reg_type, #field, CONTENTS(__reg)));   \
  90         print_define("", #reg_type, #field "_WIDTH");                   \
  91         print_dec((int) field_width(#reg_type, #field, CONTENTS(__reg)));\
  92 MACRO_END
  93
  94 #define PRINT_L2_SIZE(type)                                             \
  95 MACRO_BEGIN                                                             \
  96         print_define("L2_SIZEOF", #type, "");                           \
  97         print_dec((int) log2(sizeof(type), #type));                     \
  98 MACRO_END
  99
 100 #define PRINT_SIZEOF(type)                                              \
 101 MACRO_BEGIN                                                             \
 102         print_define("SIZEOF", #type, "");                              \
 103         print_dec((int) sizeof(type));                                  \
 104 MACRO_END
 105
 106 #define PRINT_L2_CONSTANT(macro)                                        \
 107 MACRO_BEGIN                                                             \
 108         print_define("L2", "", #macro);                                 \
 109         print_dec((int) log2(macro, #macro));                           \
 110 MACRO_END
 111
 112 typedef enum {
 113         MAJOR, MINOR
 114 } cmt_level_t;
 115
 116 extern void comment(cmt_level_t level, const char *cmt);
 117 extern void print_define(const char *prefix, const char *type_name,
 118  const char *field);
 119 extern void print_dec(int val);
 120 extern void print_hex(unsigned val);
 121 extern void print_str(const char *str);
 122 extern unsigned bit_num(char *reg_type, char *field, unsigned bits);
 123 extern unsigned field_width(char *reg_type, char *field, unsigned bits);
 124 extern unsigned log2(unsigned val, char *type);
 125 extern void assymdefs(void);
 126