Mercurial > ecos

annotate packages/cygmon/current/misc/utils.c @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
parents 02ea4320376c
children eb9fd8c04db3
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1 //==========================================================================
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2 //
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3 // utils.c
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4 //
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5 // Monitor utilities.
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s):
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35 // Contributors: gthomas, dmoseley
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36 // Date: 1999-10-20
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37 // Purpose: Monitor utilities.
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38 // Description:
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39 //
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40 //
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41 //####DESCRIPTIONEND####
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42 //
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43 //=========================================================================
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44
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45 #include <limits.h>
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46 #include <stdlib.h>
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47 #include <string.h>
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48 #include <ctype.h>
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49 #ifdef HAVE_BSP
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50 #include <bsp/bsp.h>
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51 #include <bsp/cpu.h>
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52 #include <bsp/hex-utils.h>
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53 #endif
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54 #include "monitor.h"
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55 #include "tservice.h"
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56
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57 #if USE_CYGMON_PROTOTYPES
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58 /* Use common prototypes */
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59 /* Some of the composed board.h files compose these
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60 prototypes redundently, but if they dont,
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61 these are the common definitions */
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62 #include "fmt_util.h" /* Interface to string formatting utilities */
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63 #include "generic-stub.h" /* from libstub */
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64 #endif /* USE_CYGMON_PROTOTYPES */
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65
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66 volatile int switch_to_stub_flag = 0;
76
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67
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68 /* Input routine for the line editor. */
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69 int
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70 input_char (void)
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71 {
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72 int i = xgetchar ();
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73 if (i == '$')
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74 {
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75 xungetchar ('$');
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76 switch_to_stub_flag = 1;
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77 i = '\n';
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78 }
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79 return i;
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80 }
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81
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82
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83 static char tohex_array[16] = {'0', '1', '2', '3', '4', '5', '6', '7',
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84 '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
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85
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86 #define tohex(X) (tohex_array[(X) & 15])
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87
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88 #ifdef HAVE_BSP
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89 #define fromhex __hex
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90 #else
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91 static int
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92 fromhex (a)
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93 {
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94 int number = -1;
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95
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96 if (a >= '0' && a <= '9')
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97 number = a - '0';
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98 else if (a >= 'a' && a <= 'f')
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99 number = a - 'a' + 10;
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100 else if (a >= 'A' && a <= 'F')
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101 number = a - 'A' + 10;
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102 else
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103 xprintf ("Invalid hex digit %c", a);
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104
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105 return number;
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106 }
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107 #endif
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108
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109
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110 static unsigned long long
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111 str2ull (char *str, int base)
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112 {
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113 unsigned long long l = 0;
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114
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115 if (str[0] == '0' && str[1] == 'x')
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116 {
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117 str += 2 ;
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118 base = 16 ;
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119 }
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120
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121 while (*str != '\0')
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122 {
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123 if (*str == '.')
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124 str++;
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125 else
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126 l = (l * base) + fromhex(*str++);
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127 }
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128
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129 return l;
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130 }
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131
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diff changeset
132
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diff changeset
133 /* Converts a string to a long, base is the assumed base of the string */
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diff changeset
134
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
135 target_register_t
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
136 str2int (char *str, int base)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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137 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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138 return str2ull(str, base);
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diff changeset
139 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
140
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
141 /* Converts a string to a double, input is a raw integer string
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142 * of the given assumed base. */
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
143 #if HAVE_DOUBLE_REGS
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
144 static double
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diff changeset
145 str2double (char *str, int base)
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146 {
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147 double d;
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148
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149 switch (sizeof(double))
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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150 {
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151 case sizeof(unsigned int):
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152 *((unsigned int *)&d) = str2ull(str, base);
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153 break;
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154 #if __LONG_MAX__ != __INT_MAX__
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155 case sizeof(unsigned long):
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156 *((unsigned long *)&d) = str2ull(str, base);
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157 break;
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158 #endif
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159 #if __LONG_LONG_MAX__ != __LONG_MAX__
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160 case sizeof(unsigned long long):
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161 *((unsigned long long *)&d) = str2ull(str, base);
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162 break;
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163 #endif
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164 default:
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165 d = 0.0;
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166 break;
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167 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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168 return d;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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169 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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170 #endif
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171
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172 target_register_t
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173 str2intlen (char *str, int base, int len)
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174 {
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175 target_register_t number = 0;
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176
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177 while ((len--) > 0 && *str != '\0')
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178 number = number * base + fromhex (*(str++));
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179
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180 return number;
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181 }
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182
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183 int
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184 hex2bytes (char *str, char *dest, int maxsize)
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185 {
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186 int i;
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187 char *ptr;
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188
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189 for (i = 0; i < maxsize; i++)
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190 dest[i] = 0;
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191 maxsize--;
112
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
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diff changeset
192
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
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diff changeset
193 // Don't try and convert 0x prefix
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diff changeset
194 if ((str[0] == '0') && (str[1] == 'x'))
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diff changeset
195 str += 2;
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diff changeset
196
76
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197 ptr = str + strlen(str) - 1;
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198 while (maxsize >= 0 && ptr >= str)
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199 {
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200 dest [maxsize] = fromhex(*ptr);
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201 ptr--;
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202 if (ptr >= str)
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diff changeset
203 {
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204 dest [maxsize--] |= fromhex(*ptr) * 16;
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205 ptr--;
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206 }
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diff changeset
207 }
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208 return 0;
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diff changeset
209 }
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diff changeset
210
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diff changeset
211
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diff changeset
212 /* Converts an unsigned long long to an ASCII string, adding leading
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213 zeroes to pad space up to numdigs. */
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diff changeset
214 static int use_dots = 1;
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215
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216 #define MAX_NUM_DIGS 51
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diff changeset
217
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diff changeset
218 static char *
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219 ull2str (unsigned long long number, int base, int numdigs)
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220 {
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221 static char string[MAX_NUM_DIGS+1];
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diff changeset
222 int dots, i;
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diff changeset
223 char *ptr = string + MAX_NUM_DIGS;
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diff changeset
224
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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225 dots = (use_dots && base == 16);
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diff changeset
226
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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227 *(ptr--) = '\0';
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228 *(ptr--) = tohex (number % base);
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diff changeset
229 i = 1;
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diff changeset
230 number = number / base;
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diff changeset
231
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
232 while (number != 0)
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diff changeset
233 {
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234 if (dots && (i % 4) == 0)
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diff changeset
235 *(ptr--) = '.';
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236 *(ptr--) = tohex (number % base);
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diff changeset
237 i++;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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238 number = number / base;
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diff changeset
239 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
240
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
241 if (numdigs == 0)
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diff changeset
242 {
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diff changeset
243 numdigs = i;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
244 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
245 else
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diff changeset
246 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
247 while(i < numdigs)
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diff changeset
248 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
249 if (dots && (i % 4) == 0)
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diff changeset
250 *(ptr--) = '.';
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251 *(ptr--) = '0';
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diff changeset
252 i++;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
253 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
254 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
255 return ptr + 1;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
256 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
257
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
258
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
259 char *
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diff changeset
260 int2str (target_register_t number, int base, int numdigs)
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diff changeset
261 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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262 return ull2str((unsigned long long)number, base, numdigs);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
263 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
264
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
265 #if HAVE_DOUBLE_REGS
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diff changeset
266 static char *
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267 doudble2str(double d)
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268 {
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269 switch(sizeof(double))
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270 {
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271 case sizeof(unsigned int):
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272 return ull2str(*((unsigned int *)&d), 16, sizeof(double) * 2);
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273 break;
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274 #if __LONG_MAX__ != __INT_MAX__
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275 case sizeof(unsigned long):
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276 return ull2str(*((unsigned long *)&d), 16, sizeof(double) * 2);
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277 break;
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278 #endif
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279 #if __LONG_LONG_MAX__ != __LONG_MAX__
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280 case sizeof(unsigned long long):
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281 return ull2str(*((unsigned long long *)&d), 16, sizeof(double) * 2);
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282 break;
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283 #endif
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284 }
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285 return "....fixme...";
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286 }
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287 #endif
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288
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289 #ifndef NO_MALLOC
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290 char *
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291 strdup(const char *str)
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292 {
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293 char *x = malloc (strlen (str) + 1);
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294 if (x != NULL)
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295 strcpy (x, str);
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296 return x;
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297 }
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298 #endif
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299
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300
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301 target_register_t
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302 get_pc(void)
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303 {
112
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304 return get_register(REG_PC);
76
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305 }
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306
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307
112
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308 #if defined(HAVE_BSP) && !defined(__ECOS__)
76
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309 static int
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310 get_register_type(regnames_t which)
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311 {
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312 int i;
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313
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314 for (i = 0; regtab[i].registername != NULL; i++)
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315 if (regtab[i].registernumber == which)
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316 return regtab[i].registertype;
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317 return REGTYPE_INT;
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318 }
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319 #endif
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320
115
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321 char *get_register_str (regnames_t which, int detail, int valid)
76
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322 {
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323 #ifdef SPECIAL_REG_OUTPUT
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324 char *res;
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325
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326 if ((res = SPECIAL_REG_OUTPUT (which, detail)) != NULL)
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327 {
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328 return res;
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329 }
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330 #endif
115
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331 if (valid == 0)
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332 {
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333 switch (sizeof (target_register_t))
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334 {
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335 case 1: return "...";
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336 case 2: return ".....";
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337 case 4: return ".........";
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338 case 8: return ".................";
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339 default: return ".........";
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340 }
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341 }
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342 else
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343 {
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344 return int2str (get_register (which), 16, sizeof (target_register_t) * 2);
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345 }
76
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346 }
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347
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348
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349 void
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350 store_register (regnames_t which, char *string)
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351 {
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352 #ifdef SPECIAL_REG_STORE
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353 if (SPECIAL_REG_STORE(which, string))
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354 return;
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355 #endif
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356 put_register (which, str2int (string, 16));
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357 }
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358
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359
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360