ppc/gen/genassym.h

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * genassym.h -- macros of use with genassym.c and assymdefs.c
  27  */
  28
  29 #import <architecture/ppc/reg_help.h>
  30 #import <architecture/ppc/macro_help.h>
  31
  32 #define PRINT_OFFSET(ptr_type, field)                                   \
  33 MACRO_BEGIN                                                             \
  34         print_define("", #ptr_type, #field);                            \
  35         print_hex((unsigned) &(((ptr_type)0)->field));                  \
  36 MACRO_END
  37
  38 #define PRINT_BIT_FIELD(reg_type, field)                                \
  39 MACRO_BEGIN                                                             \
  40         reg_type __reg;                                                 \
  41         CONTENTS(__reg) = 0;                                            \
  42         __reg.field = (typeof (__reg.field)) -1;                        \
  43         print_define("", #reg_type, #field);                            \
  44         print_hex(CONTENTS(__reg));                                     \
  45 MACRO_END
  46
  47 #define PRINT_ENUM(item)                                                \
  48 MACRO_BEGIN                                                             \
  49         print_define("", "", #item);                                    \
  50         print_hex((unsigned)item);                                      \
  51 MACRO_END
  52
  53 #define PRINT_DEFINE(macro)                                             \
  54 MACRO_BEGIN                                                             \
  55         print_define("", "", #macro);                                   \
  56         print_str(STRINGIFY(macro));                                    \
  57 MACRO_END
  58
  59 #define PRINT_CONSTANT(macro)                                           \
  60 MACRO_BEGIN                                                             \
  61         print_define("", "", #macro);                                   \
  62         print_hex((unsigned)macro);                                     \
  63 MACRO_END
  64
  65 #define PRINT_REGADDR(macro)                                            \
  66 MACRO_BEGIN                                                             \
  67         print_define("", "", #macro);                                   \
  68         print_hex((unsigned) &macro);                                   \
  69 MACRO_END
  70
  71 #define PRINT_REG_PAIR(struct_ptr, name0, name1)                        \
  72 MACRO_BEGIN                                                             \
  73         print_define("", #struct_ptr, #name0 "_" #name1);               \
  74         print_hex((unsigned) &(((struct_ptr)0)->U_##name0##_##name1));  \
  75 MACRO_END
  76
  77 #define PRINT_BIT_POS(reg_type, field)                                  \
  78 MACRO_BEGIN                                                             \
  79         reg_type __reg;                                                 \
  80         CONTENTS(__reg) = 0;                                            \
  81         __reg.field = 1;                                                \
  82         print_define("", #reg_type, #field "_BIT");                     \
  83         print_dec((int) bit_num(#reg_type, #field, CONTENTS(__reg)));   \
  84 MACRO_END
  85
  86 #define PRINT_FIELD_INFO(reg_type, field)                               \
  87 MACRO_BEGIN                                                             \
  88         reg_type __reg;                                                 \
  89         CONTENTS(__reg) = 0;                                            \
  90         __reg.field = -1;                                               \
  91         print_define("", #reg_type, #field "_OFF");                     \
  92         print_dec((int) bit_num(#reg_type, #field, CONTENTS(__reg)));   \
  93         print_define("", #reg_type, #field "_WIDTH");                   \
  94         print_dec((int) field_width(#reg_type, #field, CONTENTS(__reg)));\
  95 MACRO_END
  96
  97 #define PRINT_L2_SIZE(type)                                             \
  98 MACRO_BEGIN                                                             \
  99         print_define("L2_SIZEOF", #type, "");                           \
 100         print_dec((int) log2(sizeof(type), #type));                     \
 101 MACRO_END
 102
 103 #define PRINT_SIZEOF(type)                                              \
 104 MACRO_BEGIN                                                             \
 105         print_define("SIZEOF", #type, "");                              \
 106         print_dec((int) sizeof(type));                                  \
 107 MACRO_END
 108
 109 #define PRINT_L2_CONSTANT(macro)                                        \
 110 MACRO_BEGIN                                                             \
 111         print_define("L2", "", #macro);                                 \
 112         print_dec((int) log2(macro, #macro));                           \
 113 MACRO_END
 114
 115 typedef enum {
 116         MAJOR, MINOR
 117 } cmt_level_t;
 118
 119 extern void comment(cmt_level_t level, const char *cmt);
 120 extern void print_define(const char *prefix, const char *type_name,
 121  const char *field);
 122 extern void print_dec(int val);
 123 extern void print_hex(unsigned val);
 124 extern void print_str(const char *str);
 125 extern unsigned bit_num(char *reg_type, char *field, unsigned bits);
 126 extern unsigned field_width(char *reg_type, char *field, unsigned bits);
 127 extern unsigned log2(unsigned val, char *type);
 128 extern void assymdefs(void);
 129