annotate packages/hal/common/current/include/dbg-threads-api.h @ 3292:7f8e529b4d82 default tip

Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //========================================================================
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2 //
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3 // dbg-threads-api.h
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4 //
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5 // Supports thread-aware debugging
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6 //
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7 //========================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //========================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): Red Hat, nickg
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43 // Contributors: Red Hat, nickg
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44 // Date: 1998-08-25
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45 // Purpose:
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46 // Description: These are the calls used to extract operating system
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47 // specific information used in supporting thread aware
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48 // debugging. The Operating Environment being debugged
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49 // needs to supply these functions.
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50 // Usage: This header is not to be included by user code.
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51 //
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52 //####DESCRIPTIONEND####
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53 //
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54 //========================================================================
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55
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56 #if !defined(DBG_THREADS_API_INCLUDED)
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57 #define DBG_THREADS_API_INCLUDED 1
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58
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59 #include <cyg/infra/cyg_type.h> /* externC */
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60
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61 #define has_thread_void 0
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62 #define has_thread_current 1
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63 #define has_thread_registers 2
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64 #define has_thread_reg_change 4
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65 #define has_thread_list 8
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66 #define has_thread_info 16
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67
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68 typedef unsigned char threadref[8] ;
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69
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70 struct dbg_capabilities
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71 {
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72 unsigned long mask1 ;
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73 } ;
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74
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75
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76 /* fill in the list of thread aware capabilities */
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77 externC int dbg_thread_capabilities(struct dbg_capabilities * cbp) ;
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79
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80 /* Fillin the identifier of the current thread */
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81 /* return 1 if defined, 0 if not defined */
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82 externC int dbg_currthread(threadref * varparm) ;
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83
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84 /* Return the unique ID number of a given thread. */
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85 /* Return 0 if not valid. */
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86 externC int dbg_thread_id(threadref *threadid);
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87
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88 /* Return the unique ID number of the current thread. */
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89 externC int dbg_currthread_id(void);
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90
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91 /* get the first or next member of the list of known threads */
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92 externC int dbg_threadlist(int startflag,
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93 threadref * lastthreadid,
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94 threadref * next_thread
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95 ) ;
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96
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97 /* return 1 if next_threadid has been filled in with a value */
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98 /* return 0 if there are none or no more */
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99
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100 /* The O.S can fill in the following information about a thread when queried.
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101 The structure of thise strings is determined by the O.S.
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102 It is display oriented, so figure out what the users need to see.
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103 Nulls are OK but GDB will fill some not so meaningful data.
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104 These pointers may be in the calles private structures, the info will
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105 get copied immediatly after the call to retreive it.
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106 */
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107 struct cygmon_thread_debug_info
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108 {
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109 threadref thread_id ;
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110 int context_exists ; /* To the point where examining its state,
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111 registers and stack makes sense to GDB */
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112 char * thread_display ; /* As shown in thread status window, name, state */
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113 char * unique_thread_name ; /* human readable identifier, window label */
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114 char * more_display ; /* more detailed info about thread.
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115 priority, queuedepth, state, stack usage, statistics */
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116 } ;
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117
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118
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119
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120
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121 externC int dbg_threadinfo(
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122 threadref * threadid,
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123 struct cygmon_thread_debug_info * info) ;
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124
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125 /* Return 1 if threadid is defined and info copied, 0 otherwise */
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126
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127 /* The O.S should fillin the array of registers using values from the
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128 saves context. The array MUST be in GDB register save order even if
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129 the saved context is different or smaller. Do not alter the values of
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130 registers which are NOT in the O.S. thread context. Their default values
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131 have already been assigned.
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132 */
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133
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134 externC int dbg_getthreadreg(
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135 threadref * osthreadid,
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136 int regcount, /* count of registers in the array */
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137 void * regval) ; /* fillin this array */
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138
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139
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140 /* The O.S. should scan through this list of registers which are in
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141 GDB order and the O.S. should replace the values of all registers
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142 which are defined in the saved context of thread or process identified
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143 by osthreadid. Return 0 if the threadis does not map to a known
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144 process or other error. Return 1 if the setting is successful. */
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145
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146 externC int dbg_setthreadreg(
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147 threadref * osthreadid,
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148 int regcount , /* number of registers */
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149 void * regval) ;
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150
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151 /* Control over OS scheduler. With the scheduler locked it should not
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152 perform any rescheduling in response to interrupts. */
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153 externC int dbg_scheduler(
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154 threadref * osthreadid,
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155 int lock, /* 0 == unlock, 1 == lock */
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156 int mode); /* 0 == step, 1 == continue */
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157
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3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
159
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
160 #endif /* DBG_THREADS_API_INCLUDED */